Mercurial > hg > forks > geeqie
annotate src/pixbuf_util.c @ 2801:3e9ca298bb1d
Fix #251: Crop simulation
Menu option to draw a rectangle.
Rectangle co-ordinates can be obtained with the remote command:
--remote --get-rectangle
| author | Colin Clark <colin.clark@cclark.uk> |
|---|---|
| date | Fri, 20 Jul 2018 17:45:10 +0100 |
| parents | ea4163f0c769 |
| children | 865f7eab9b6d |
| rev | line source |
|---|---|
| 9 | 1 /* |
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2 * Copyright (C) 2004 John Ellis |
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3 * Copyright (C) 2008 - 2016 The Geeqie Team |
| 9 | 4 * |
| 5 * Author: John Ellis | |
| 6 * | |
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7 * This program is free software; you can redistribute it and/or modify |
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8 * it under the terms of the GNU General Public License as published by |
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9 * the Free Software Foundation; either version 2 of the License, or |
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10 * (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, |
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 * GNU General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU General Public License along |
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18 * with this program; if not, write to the Free Software Foundation, Inc., |
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 9 | 20 */ |
| 21 | |
| 281 | 22 #include "main.h" |
| 9 | 23 #include "pixbuf_util.h" |
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24 #include "exif.h" |
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25 #include "ui_fileops.h" |
| 9 | 26 |
| 27 #include "icons/icons_inline.h" | |
| 28 | |
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29 #include <math.h> |
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30 |
| 9 | 31 |
| 32 /* | |
| 33 *----------------------------------------------------------------------------- | |
| 34 * png save | |
| 35 *----------------------------------------------------------------------------- | |
| 36 */ | |
| 37 | |
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38 gboolean pixbuf_to_file_as_png(GdkPixbuf *pixbuf, const gchar *filename) |
| 9 | 39 { |
| 40 GError *error = NULL; | |
| 1443 | 41 gboolean ret; |
| 9 | 42 |
| 43 if (!pixbuf || !filename) return FALSE; | |
| 44 | |
| 45 ret = gdk_pixbuf_save(pixbuf, filename, "png", &error, | |
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46 "tEXt::Software", GQ_APPNAME " " VERSION, NULL); |
| 9 | 47 |
| 48 if (error) | |
| 49 { | |
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50 log_printf("Error saving png file: %s\n", error->message); |
| 9 | 51 g_error_free(error); |
| 52 } | |
| 53 | |
| 54 return ret; | |
| 55 } | |
| 56 | |
| 57 /* | |
| 58 *----------------------------------------------------------------------------- | |
| 59 * jpeg save | |
| 60 *----------------------------------------------------------------------------- | |
| 61 */ | |
| 62 | |
| 63 gboolean pixbuf_to_file_as_jpg(GdkPixbuf *pixbuf, const gchar *filename, gint quality) | |
| 64 { | |
| 65 GError *error = NULL; | |
| 66 gchar *qbuf; | |
| 67 gboolean ret; | |
| 68 | |
| 69 if (!pixbuf || !filename) return FALSE; | |
| 70 | |
| 71 if (quality == -1) quality = 75; | |
| 72 if (quality < 1 || quality > 100) | |
| 73 { | |
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74 log_printf("Jpeg not saved, invalid quality %d\n", quality); |
| 9 | 75 return FALSE; |
| 76 } | |
| 77 | |
| 78 qbuf = g_strdup_printf("%d", quality); | |
| 79 ret = gdk_pixbuf_save(pixbuf, filename, "jpeg", &error, "quality", qbuf, NULL); | |
| 80 g_free(qbuf); | |
| 81 | |
| 82 if (error) | |
| 83 { | |
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84 log_printf("Error saving jpeg to %s\n%s\n", filename, error->message); |
| 9 | 85 g_error_free(error); |
| 86 } | |
| 87 | |
| 88 return ret; | |
| 89 } | |
| 90 | |
| 91 /* | |
| 92 *----------------------------------------------------------------------------- | |
| 93 * pixbuf from inline | |
| 94 *----------------------------------------------------------------------------- | |
| 95 */ | |
| 96 | |
| 97 typedef struct _PixbufInline PixbufInline; | |
| 98 struct _PixbufInline | |
| 99 { | |
| 100 const gchar *key; | |
| 101 const guint8 *data; | |
| 102 }; | |
| 103 | |
| 104 static PixbufInline inline_pixbuf_data[] = { | |
| 105 { PIXBUF_INLINE_FOLDER_CLOSED, folder_closed }, | |
| 106 { PIXBUF_INLINE_FOLDER_LOCKED, folder_locked }, | |
| 107 { PIXBUF_INLINE_FOLDER_OPEN, folder_open }, | |
| 108 { PIXBUF_INLINE_FOLDER_UP, folder_up }, | |
| 109 { PIXBUF_INLINE_SCROLLER, icon_scroller }, | |
| 110 { PIXBUF_INLINE_BROKEN, icon_broken }, | |
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111 { PIXBUF_INLINE_METADATA, icon_metadata }, |
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112 { PIXBUF_INLINE_UNKNOWN, icon_unknown }, |
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113 { PIXBUF_INLINE_VIDEO, icon_video }, |
| 2793 | 114 { PIXBUF_INLINE_COLLECTION, icon_collection }, |
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115 { PIXBUF_INLINE_ICON, gqview_icon }, |
| 198 | 116 { PIXBUF_INLINE_LOGO, geeqie_logo }, |
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117 { PIXBUF_INLINE_ICON_FLOAT, icon_float }, |
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118 { PIXBUF_INLINE_ICON_THUMB, icon_thumb }, |
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119 { PIXBUF_INLINE_ICON_BOOK, icon_book }, |
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120 { PIXBUF_INLINE_ICON_CONFIG, icon_config }, |
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121 { PIXBUF_INLINE_ICON_TOOLS, icon_tools }, |
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122 { PIXBUF_INLINE_ICON_VIEW, icon_view }, |
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123 { PIXBUF_INLINE_ICON_GUIDELINES, icon_guidelines }, |
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124 { PIXBUF_INLINE_ICON_PANORAMA, icon_panorama }, |
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125 { PIXBUF_INLINE_ICON_MAINTENANCE, icon_maintenance }, |
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126 { PIXBUF_INLINE_ICON_ZOOMFILLHOR, icon_zoomfillhor }, |
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127 { PIXBUF_INLINE_ICON_ZOOMFILLVERT, icon_zoomfillvert }, |
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128 { PIXBUF_INLINE_ICON_HIDETOOLS, icon_hidetools }, |
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129 { PIXBUF_INLINE_ICON_EXIF, icon_exif }, |
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130 { PIXBUF_INLINE_ICON_MARKS, icon_marks }, |
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131 { PIXBUF_INLINE_ICON_INFO, icon_info }, |
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132 { PIXBUF_INLINE_ICON_SORT, icon_sort }, |
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133 { PIXBUF_INLINE_ICON_PDF, icon_pdf }, |
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134 { PIXBUF_INLINE_ICON_DRAW_RECTANGLE, icon_draw_rectangle }, |
| 9 | 135 { NULL, NULL } |
| 136 }; | |
| 137 | |
| 138 GdkPixbuf *pixbuf_inline(const gchar *key) | |
| 139 { | |
| 140 gint i; | |
| 141 | |
| 142 if (!key) return NULL; | |
| 143 | |
| 144 i = 0; | |
| 145 while (inline_pixbuf_data[i].key) | |
| 146 { | |
| 147 if (strcmp(inline_pixbuf_data[i].key, key) == 0) | |
| 148 { | |
| 149 return gdk_pixbuf_new_from_inline(-1, inline_pixbuf_data[i].data, FALSE, NULL); | |
| 150 } | |
| 151 i++; | |
| 152 } | |
| 153 | |
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154 log_printf("warning: inline pixbuf key \"%s\" not found.\n", key); |
| 9 | 155 |
| 156 return NULL; | |
| 157 } | |
| 158 | |
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159 static void register_stock_icon(const gchar *key, GdkPixbuf *pixbuf) |
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160 { |
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161 static GtkIconFactory *icon_factory = NULL; |
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162 GtkIconSet *icon_set; |
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163 |
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164 if (!icon_factory) |
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165 { |
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166 icon_factory = gtk_icon_factory_new(); |
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167 gtk_icon_factory_add_default(icon_factory); |
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168 } |
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169 |
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170 icon_set = gtk_icon_set_new_from_pixbuf(pixbuf); |
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171 gtk_icon_factory_add(icon_factory, key, icon_set); |
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172 } |
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173 |
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174 |
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175 void pixbuf_inline_register_stock_icons(void) |
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176 { |
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177 gint i; |
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178 |
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179 i = 0; |
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180 while (inline_pixbuf_data[i].key) |
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181 { |
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182 register_stock_icon(inline_pixbuf_data[i].key, pixbuf_inline(inline_pixbuf_data[i].key)); |
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183 i++; |
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184 } |
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185 } |
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186 |
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187 gboolean register_theme_icon_as_stock(const gchar *key, const gchar *icon) |
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188 { |
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189 GtkIconTheme *icon_theme; |
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190 GdkPixbuf *pixbuf; |
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191 GError *error = NULL; |
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192 |
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193 icon_theme = gtk_icon_theme_get_default(); |
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194 |
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195 if (gtk_icon_theme_has_icon(icon_theme, key)) return FALSE; |
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196 |
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197 pixbuf = gtk_icon_theme_load_icon(icon_theme, |
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198 icon, /* icon name */ |
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199 64, /* size */ |
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200 0, /* flags */ |
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201 &error); |
| 2184 | 202 if (!pixbuf) |
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203 { |
|
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Prevent Gtk assertion failures when no icon is set.
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204 if (error) |
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205 { |
|
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206 DEBUG_1("Couldn't load icon %s: %s", icon, error->message); |
|
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207 g_error_free(error); |
|
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208 error = NULL; |
|
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209 } |
|
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210 |
|
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211 if (strchr(icon, '.')) |
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212 { |
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213 /* try again without extension */ |
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214 gchar *icon2 = remove_extension_from_path(icon); |
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215 pixbuf = gtk_icon_theme_load_icon(icon_theme, |
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216 icon2, /* icon name */ |
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217 64, /* size */ |
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218 0, /* flags */ |
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219 &error); |
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220 if (error) |
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221 { |
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222 DEBUG_1("Couldn't load icon %s: %s", icon2, error->message); |
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223 g_error_free(error); |
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224 } |
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225 g_free(icon2); |
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226 } |
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227 } |
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228 |
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229 if (!pixbuf) return FALSE; |
|
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230 |
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231 register_stock_icon(key, pixbuf); |
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232 return TRUE; |
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233 } |
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234 |
| 1443 | 235 gboolean pixbuf_scale_aspect(gint req_w, gint req_h, |
| 236 gint old_w, gint old_h, | |
| 237 gint *new_w, gint *new_h) | |
|
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238 { |
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239 if (((gdouble)req_w / old_w) < ((gdouble)req_h / old_h)) |
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240 { |
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241 *new_w = req_w; |
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242 *new_h = (gdouble)*new_w / old_w * old_h; |
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243 if (*new_h < 1) *new_h = 1; |
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244 } |
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245 else |
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246 { |
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247 *new_h = req_h; |
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248 *new_w = (gdouble)*new_h / old_h * old_w; |
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249 if (*new_w < 1) *new_w = 1; |
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250 } |
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251 |
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252 return (*new_w != old_w || *new_h != old_h); |
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253 } |
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254 |
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255 GdkPixbuf *pixbuf_fallback(FileData *fd, gint requested_width, gint requested_height) |
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256 { |
|
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257 GdkPixbuf *pixbuf; |
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258 |
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259 switch (fd->format_class) |
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260 { |
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261 case FORMAT_CLASS_UNKNOWN: |
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262 pixbuf = pixbuf_inline(PIXBUF_INLINE_UNKNOWN); |
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263 break; |
|
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264 case FORMAT_CLASS_META: |
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265 pixbuf = pixbuf_inline(PIXBUF_INLINE_METADATA); |
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266 break; |
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|
267 case FORMAT_CLASS_VIDEO: |
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268 pixbuf = pixbuf_inline(PIXBUF_INLINE_VIDEO); |
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|
269 break; |
| 2793 | 270 case FORMAT_CLASS_COLLECTION: |
| 271 pixbuf = pixbuf_inline(PIXBUF_INLINE_COLLECTION); | |
| 272 break; | |
|
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|
273 case FORMAT_CLASS_PDF: |
|
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274 pixbuf = pixbuf_inline(PIXBUF_INLINE_ICON_PDF); |
|
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|
275 break; |
|
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|
276 default: |
|
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|
277 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN); |
|
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278 } |
|
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|
279 |
|
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280 if (requested_width && requested_height) |
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|
281 { |
|
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282 gint w = gdk_pixbuf_get_width(pixbuf); |
|
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283 gint h = gdk_pixbuf_get_height(pixbuf); |
|
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|
284 |
|
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|
285 if (w > requested_width || h > requested_height) |
|
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|
286 { |
|
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|
287 gint nw, nh; |
|
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|
288 |
|
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|
289 if (pixbuf_scale_aspect(requested_width, requested_height, |
|
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|
290 w, h, &nw, &nh)) |
|
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|
291 { |
|
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|
292 GdkPixbuf *tmp; |
|
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293 |
|
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|
294 tmp = pixbuf; |
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295 pixbuf = gdk_pixbuf_scale_simple(tmp, nw, nh, GDK_INTERP_TILES); |
|
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296 g_object_unref(G_OBJECT(tmp)); |
|
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|
297 } |
|
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|
298 } |
|
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|
299 } |
|
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|
300 return pixbuf; |
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|
301 } |
|
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|
302 |
|
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|
303 |
| 9 | 304 /* |
| 305 *----------------------------------------------------------------------------- | |
|
33
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diff
changeset
|
306 * misc utils |
|
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|
307 *----------------------------------------------------------------------------- |
|
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|
308 */ |
|
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|
309 |
| 1443 | 310 gboolean util_clip_region(gint x, gint y, gint w, gint h, |
| 311 gint clip_x, gint clip_y, gint clip_w, gint clip_h, | |
| 312 gint *rx, gint *ry, gint *rw, gint *rh) | |
|
33
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Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
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|
313 { |
|
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|
314 if (clip_x + clip_w <= x || |
|
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|
315 clip_x >= x + w || |
|
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|
316 clip_y + clip_h <= y || |
|
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|
317 clip_y >= y + h) |
|
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|
318 { |
|
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|
319 return FALSE; |
|
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diff
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|
320 } |
|
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Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
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diff
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|
321 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
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diff
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|
322 *rx = MAX(x, clip_x); |
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323 *rw = MIN((x + w), (clip_x + clip_w)) - *rx; |
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324 |
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325 *ry = MAX(y, clip_y); |
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326 *rh = MIN((y + h), (clip_y + clip_h)) - *ry; |
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327 |
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328 return TRUE; |
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329 } |
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330 |
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331 /* |
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332 *----------------------------------------------------------------------------- |
| 9 | 333 * pixbuf rotation |
| 334 *----------------------------------------------------------------------------- | |
| 335 */ | |
| 336 | |
| 337 static void pixbuf_copy_block_rotate(guchar *src, gint src_row_stride, gint x, gint y, | |
| 338 guchar *dest, gint dest_row_stride, gint w, gint h, | |
| 1443 | 339 gint bytes_per_pixel, gboolean counter_clockwise) |
| 9 | 340 { |
| 341 gint i, j; | |
| 342 guchar *sp; | |
| 343 guchar *dp; | |
| 344 | |
| 345 for (i = 0; i < h; i++) | |
| 346 { | |
| 347 sp = src + ((i + y) * src_row_stride) + (x * bytes_per_pixel); | |
| 348 for (j = 0; j < w; j++) | |
| 349 { | |
| 350 if (counter_clockwise) | |
| 351 { | |
| 352 dp = dest + ((w - j - 1) * dest_row_stride) + (i * bytes_per_pixel); | |
| 353 } | |
| 354 else | |
| 355 { | |
| 356 dp = dest + (j * dest_row_stride) + ((h - i - 1) * bytes_per_pixel); | |
| 357 } | |
| 358 *(dp++) = *(sp++); /* r */ | |
| 359 *(dp++) = *(sp++); /* g */ | |
| 360 *(dp++) = *(sp++); /* b */ | |
| 361 if (bytes_per_pixel == 4) *(dp) = *(sp++); /* a */ | |
| 362 } | |
| 363 } | |
| 442 | 364 |
| 9 | 365 } |
| 366 | |
| 367 static void pixbuf_copy_block(guchar *src, gint src_row_stride, gint w, gint h, | |
| 368 guchar *dest, gint dest_row_stride, gint x, gint y, gint bytes_per_pixel) | |
| 369 { | |
| 370 gint i; | |
| 371 guchar *sp; | |
| 372 guchar *dp; | |
| 373 | |
| 374 for (i = 0; i < h; i++) | |
| 375 { | |
| 376 sp = src + (i * src_row_stride); | |
| 377 dp = dest + ((y + i) * dest_row_stride) + (x * bytes_per_pixel); | |
| 378 memcpy(dp, sp, w * bytes_per_pixel); | |
| 379 } | |
| 380 } | |
| 381 | |
| 382 #define ROTATE_BUFFER_WIDTH 48 | |
| 383 #define ROTATE_BUFFER_HEIGHT 48 | |
| 384 | |
| 385 /* | |
| 386 * Returns a copy of pixbuf src rotated 90 degrees clockwise or 90 counterclockwise | |
| 387 * | |
| 388 */ | |
| 1443 | 389 GdkPixbuf *pixbuf_copy_rotate_90(GdkPixbuf *src, gboolean counter_clockwise) |
| 9 | 390 { |
| 391 GdkPixbuf *dest; | |
| 1443 | 392 gboolean has_alpha; |
| 9 | 393 gint sw, sh, srs; |
| 394 gint dw, dh, drs; | |
| 395 guchar *s_pix; | |
| 442 | 396 guchar *d_pix; |
| 9 | 397 gint i, j; |
| 398 gint a; | |
| 399 GdkPixbuf *buffer; | |
| 442 | 400 guchar *b_pix; |
| 9 | 401 gint brs; |
| 402 gint w, h; | |
| 403 | |
| 404 if (!src) return NULL; | |
| 405 | |
| 406 sw = gdk_pixbuf_get_width(src); | |
| 407 sh = gdk_pixbuf_get_height(src); | |
| 408 has_alpha = gdk_pixbuf_get_has_alpha(src); | |
| 409 srs = gdk_pixbuf_get_rowstride(src); | |
| 410 s_pix = gdk_pixbuf_get_pixels(src); | |
| 411 | |
| 412 dw = sh; | |
| 413 dh = sw; | |
| 414 dest = gdk_pixbuf_new(GDK_COLORSPACE_RGB, has_alpha, 8, dw, dh); | |
| 415 drs = gdk_pixbuf_get_rowstride(dest); | |
| 416 d_pix = gdk_pixbuf_get_pixels(dest); | |
| 417 | |
| 418 a = (has_alpha ? 4 : 3); | |
| 419 | |
| 420 buffer = gdk_pixbuf_new(GDK_COLORSPACE_RGB, has_alpha, 8, | |
| 421 ROTATE_BUFFER_WIDTH, ROTATE_BUFFER_HEIGHT); | |
| 422 b_pix = gdk_pixbuf_get_pixels(buffer); | |
| 423 brs = gdk_pixbuf_get_rowstride(buffer); | |
| 424 | |
| 425 for (i = 0; i < sh; i+= ROTATE_BUFFER_WIDTH) | |
| 426 { | |
| 427 w = MIN(ROTATE_BUFFER_WIDTH, (sh - i)); | |
| 428 for (j = 0; j < sw; j += ROTATE_BUFFER_HEIGHT) | |
| 429 { | |
| 430 gint x, y; | |
| 431 | |
| 432 h = MIN(ROTATE_BUFFER_HEIGHT, (sw - j)); | |
| 433 pixbuf_copy_block_rotate(s_pix, srs, j, i, | |
| 434 b_pix, brs, h, w, | |
| 435 a, counter_clockwise); | |
| 436 | |
| 437 if (counter_clockwise) | |
| 438 { | |
| 439 x = i; | |
| 440 y = sw - h - j; | |
| 441 } | |
| 442 else | |
| 443 { | |
| 444 x = sh - w - i; | |
| 445 y = j; | |
| 446 } | |
| 447 pixbuf_copy_block(b_pix, brs, w, h, | |
| 448 d_pix, drs, x, y, a); | |
| 449 } | |
| 450 } | |
| 451 | |
|
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|
452 g_object_unref(buffer); |
| 9 | 453 |
| 454 #if 0 | |
| 455 /* this is the simple version of rotation (roughly 2-4x slower) */ | |
| 456 | |
| 457 for (i = 0; i < sh; i++) | |
| 458 { | |
| 459 sp = s_pix + (i * srs); | |
| 460 for (j = 0; j < sw; j++) | |
| 461 { | |
| 462 if (counter_clockwise) | |
| 463 { | |
| 464 dp = d_pix + ((dh - j - 1) * drs) + (i * a); | |
| 465 } | |
| 466 else | |
| 467 { | |
| 468 dp = d_pix + (j * drs) + ((dw - i - 1) * a); | |
| 469 } | |
| 470 | |
| 471 *(dp++) = *(sp++); /* r */ | |
| 472 *(dp++) = *(sp++); /* g */ | |
| 473 *(dp++) = *(sp++); /* b */ | |
| 474 if (has_alpha) *(dp) = *(sp++); /* a */ | |
| 475 } | |
| 476 } | |
| 477 #endif | |
| 478 | |
| 479 return dest; | |
| 480 } | |
| 481 | |
| 482 /* | |
| 483 * Returns a copy of pixbuf mirrored and or flipped. | |
| 484 * TO do a 180 degree rotations set both mirror and flipped TRUE | |
| 485 * if mirror and flip are FALSE, result is a simple copy. | |
| 486 */ | |
| 1443 | 487 GdkPixbuf *pixbuf_copy_mirror(GdkPixbuf *src, gboolean mirror, gboolean flip) |
| 9 | 488 { |
| 489 GdkPixbuf *dest; | |
| 1443 | 490 gboolean has_alpha; |
| 9 | 491 gint w, h, srs; |
| 492 gint drs; | |
| 493 guchar *s_pix; | |
| 442 | 494 guchar *d_pix; |
| 9 | 495 guchar *sp; |
| 442 | 496 guchar *dp; |
| 9 | 497 gint i, j; |
| 498 gint a; | |
| 499 | |
| 500 if (!src) return NULL; | |
| 501 | |
| 502 w = gdk_pixbuf_get_width(src); | |
| 503 h = gdk_pixbuf_get_height(src); | |
| 504 has_alpha = gdk_pixbuf_get_has_alpha(src); | |
| 505 srs = gdk_pixbuf_get_rowstride(src); | |
| 506 s_pix = gdk_pixbuf_get_pixels(src); | |
| 507 | |
| 508 dest = gdk_pixbuf_new(GDK_COLORSPACE_RGB, has_alpha, 8, w, h); | |
| 509 drs = gdk_pixbuf_get_rowstride(dest); | |
| 510 d_pix = gdk_pixbuf_get_pixels(dest); | |
| 511 | |
| 512 a = has_alpha ? 4 : 3; | |
| 513 | |
| 514 for (i = 0; i < h; i++) | |
| 515 { | |
| 516 sp = s_pix + (i * srs); | |
| 517 if (flip) | |
| 518 { | |
| 519 dp = d_pix + ((h - i - 1) * drs); | |
| 520 } | |
| 521 else | |
| 522 { | |
| 523 dp = d_pix + (i * drs); | |
| 524 } | |
| 525 if (mirror) | |
| 526 { | |
| 527 dp += (w - 1) * a; | |
| 528 for (j = 0; j < w; j++) | |
| 529 { | |
| 530 *(dp++) = *(sp++); /* r */ | |
| 531 *(dp++) = *(sp++); /* g */ | |
| 532 *(dp++) = *(sp++); /* b */ | |
| 533 if (has_alpha) *(dp) = *(sp++); /* a */ | |
| 534 dp -= (a + 3); | |
| 535 } | |
| 536 } | |
| 537 else | |
| 538 { | |
| 539 for (j = 0; j < w; j++) | |
| 540 { | |
| 541 *(dp++) = *(sp++); /* r */ | |
| 542 *(dp++) = *(sp++); /* g */ | |
| 543 *(dp++) = *(sp++); /* b */ | |
| 544 if (has_alpha) *(dp++) = *(sp++); /* a */ | |
| 545 } | |
| 546 } | |
| 547 } | |
| 548 | |
| 549 return dest; | |
| 550 } | |
| 551 | |
|
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552 GdkPixbuf *pixbuf_apply_orientation(GdkPixbuf *pixbuf, gint orientation) |
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553 { |
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554 GdkPixbuf *dest; |
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555 GdkPixbuf *tmp = NULL; |
|
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556 |
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557 switch (orientation) |
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558 { |
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559 case EXIF_ORIENTATION_TOP_LEFT: |
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560 dest = gdk_pixbuf_copy(pixbuf); |
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561 break; |
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562 case EXIF_ORIENTATION_TOP_RIGHT: |
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563 /* mirrored */ |
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564 dest = pixbuf_copy_mirror(pixbuf, TRUE, FALSE); |
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565 break; |
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566 case EXIF_ORIENTATION_BOTTOM_RIGHT: |
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567 /* upside down */ |
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|
568 dest = pixbuf_copy_mirror(pixbuf, TRUE, TRUE); |
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569 break; |
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570 case EXIF_ORIENTATION_BOTTOM_LEFT: |
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571 /* flipped */ |
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572 dest = pixbuf_copy_mirror(pixbuf, FALSE, TRUE); |
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573 break; |
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574 case EXIF_ORIENTATION_LEFT_TOP: |
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575 tmp = pixbuf_copy_mirror(pixbuf, FALSE, TRUE); |
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576 dest = pixbuf_copy_rotate_90(tmp, FALSE); |
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577 break; |
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578 case EXIF_ORIENTATION_RIGHT_TOP: |
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579 /* rotated -90 (270) */ |
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580 dest = pixbuf_copy_rotate_90(pixbuf, FALSE); |
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581 break; |
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582 case EXIF_ORIENTATION_RIGHT_BOTTOM: |
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583 tmp = pixbuf_copy_mirror(pixbuf, FALSE, TRUE); |
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584 dest = pixbuf_copy_rotate_90(tmp, TRUE); |
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585 break; |
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586 case EXIF_ORIENTATION_LEFT_BOTTOM: |
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587 /* rotated 90 */ |
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588 dest = pixbuf_copy_rotate_90(pixbuf, TRUE); |
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589 break; |
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590 default: |
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591 dest = gdk_pixbuf_copy(pixbuf); |
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592 break; |
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593 } |
|
1043
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Petr Ostadal <postadal@suse.cz>
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|
594 if (tmp) g_object_unref(tmp); |
|
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595 return dest; |
|
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|
596 |
|
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|
597 } |
|
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|
598 |
| 9 | 599 |
| 600 /* | |
| 601 *----------------------------------------------------------------------------- | |
|
33
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changeset
|
602 * pixbuf drawing (rectangles) |
| 9 | 603 *----------------------------------------------------------------------------- |
| 604 */ | |
| 605 | |
| 606 /* | |
| 607 * Fills region of pixbuf at x,y over w,h | |
| 608 * with colors red (r), green (g), blue (b) | |
| 609 * applying alpha (a), use a=255 for solid. | |
| 610 */ | |
| 611 void pixbuf_draw_rect_fill(GdkPixbuf *pb, | |
| 612 gint x, gint y, gint w, gint h, | |
| 613 gint r, gint g, gint b, gint a) | |
| 614 { | |
| 1443 | 615 gboolean has_alpha; |
| 9 | 616 gint pw, ph, prs; |
| 617 guchar *p_pix; | |
| 618 guchar *pp; | |
| 619 gint i, j; | |
| 620 | |
| 621 if (!pb) return; | |
| 622 | |
| 623 pw = gdk_pixbuf_get_width(pb); | |
| 624 ph = gdk_pixbuf_get_height(pb); | |
| 625 | |
| 626 if (x < 0 || x + w > pw) return; | |
| 627 if (y < 0 || y + h > ph) return; | |
| 628 | |
| 1443 | 629 has_alpha = gdk_pixbuf_get_has_alpha(pb); |
| 9 | 630 prs = gdk_pixbuf_get_rowstride(pb); |
| 631 p_pix = gdk_pixbuf_get_pixels(pb); | |
| 632 | |
| 442 | 633 for (i = 0; i < h; i++) |
| 9 | 634 { |
| 1443 | 635 pp = p_pix + (y + i) * prs + (x * (has_alpha ? 4 : 3)); |
| 9 | 636 for (j = 0; j < w; j++) |
| 637 { | |
| 638 *pp = (r * a + *pp * (256-a)) >> 8; | |
| 639 pp++; | |
| 640 *pp = (g * a + *pp * (256-a)) >> 8; | |
| 641 pp++; | |
| 642 *pp = (b * a + *pp * (256-a)) >> 8; | |
| 643 pp++; | |
| 1443 | 644 if (has_alpha) pp++; |
| 9 | 645 } |
| 646 } | |
| 647 } | |
| 648 | |
| 649 void pixbuf_draw_rect(GdkPixbuf *pb, | |
| 650 gint x, gint y, gint w, gint h, | |
| 651 gint r, gint g, gint b, gint a, | |
| 652 gint left, gint right, gint top, gint bottom) | |
| 653 { | |
| 654 pixbuf_draw_rect_fill(pb, x + left, y, w - left - right, top, | |
| 655 r, g, b ,a); | |
| 656 pixbuf_draw_rect_fill(pb, x + w - right, y, right, h, | |
| 657 r, g, b ,a); | |
| 658 pixbuf_draw_rect_fill(pb, x + left, y + h - bottom, w - left - right, bottom, | |
| 659 r, g, b ,a); | |
| 660 pixbuf_draw_rect_fill(pb, x, y, left, h, | |
| 661 r, g, b ,a); | |
| 662 } | |
| 663 | |
| 664 void pixbuf_set_rect_fill(GdkPixbuf *pb, | |
| 665 gint x, gint y, gint w, gint h, | |
| 666 gint r, gint g, gint b, gint a) | |
| 667 { | |
| 1443 | 668 gboolean has_alpha; |
| 9 | 669 gint pw, ph, prs; |
| 670 guchar *p_pix; | |
| 671 guchar *pp; | |
| 672 gint i, j; | |
| 673 | |
| 674 if (!pb) return; | |
| 675 | |
| 676 pw = gdk_pixbuf_get_width(pb); | |
| 677 ph = gdk_pixbuf_get_height(pb); | |
| 678 | |
| 679 if (x < 0 || x + w > pw) return; | |
| 680 if (y < 0 || y + h > ph) return; | |
| 681 | |
| 1443 | 682 has_alpha = gdk_pixbuf_get_has_alpha(pb); |
| 9 | 683 prs = gdk_pixbuf_get_rowstride(pb); |
| 684 p_pix = gdk_pixbuf_get_pixels(pb); | |
| 685 | |
| 442 | 686 for (i = 0; i < h; i++) |
| 9 | 687 { |
| 1443 | 688 pp = p_pix + (y + i) * prs + (x * (has_alpha ? 4 : 3)); |
| 9 | 689 for (j = 0; j < w; j++) |
| 690 { | |
| 691 *pp = r; pp++; | |
| 692 *pp = g; pp++; | |
| 693 *pp = b; pp++; | |
| 1443 | 694 if (has_alpha) { *pp = a; pp++; } |
| 9 | 695 } |
| 696 } | |
| 697 } | |
| 698 | |
| 699 void pixbuf_set_rect(GdkPixbuf *pb, | |
| 700 gint x, gint y, gint w, gint h, | |
| 701 gint r, gint g, gint b, gint a, | |
| 702 gint left, gint right, gint top, gint bottom) | |
| 703 { | |
| 704 pixbuf_set_rect_fill(pb, x + left, y, w - left - right, top, | |
| 705 r, g, b ,a); | |
| 706 pixbuf_set_rect_fill(pb, x + w - right, y, right, h, | |
| 707 r, g, b ,a); | |
| 708 pixbuf_set_rect_fill(pb, x + left, y + h - bottom, w - left - right, bottom, | |
| 709 r, g, b ,a); | |
| 710 pixbuf_set_rect_fill(pb, x, y, left, h, | |
| 711 r, g, b ,a); | |
| 712 } | |
| 713 | |
| 714 void pixbuf_pixel_set(GdkPixbuf *pb, gint x, gint y, gint r, gint g, gint b, gint a) | |
| 715 { | |
| 716 guchar *buf; | |
| 1443 | 717 gboolean has_alpha; |
| 9 | 718 gint rowstride; |
| 719 guchar *p; | |
| 720 | |
| 721 if (x < 0 || x >= gdk_pixbuf_get_width(pb) || | |
| 442 | 722 y < 0 || y >= gdk_pixbuf_get_height(pb)) return; |
| 9 | 723 |
| 724 buf = gdk_pixbuf_get_pixels(pb); | |
| 725 has_alpha = gdk_pixbuf_get_has_alpha(pb); | |
| 726 rowstride = gdk_pixbuf_get_rowstride(pb); | |
| 727 | |
| 442 | 728 p = buf + (y * rowstride) + (x * (has_alpha ? 4 : 3)); |
| 9 | 729 *p = r; p++; |
| 730 *p = g; p++; | |
| 731 *p = b; p++; | |
| 732 if (has_alpha) *p = a; | |
| 733 } | |
| 734 | |
| 735 | |
| 736 /* | |
| 737 *----------------------------------------------------------------------------- | |
| 738 * pixbuf text rendering | |
| 739 *----------------------------------------------------------------------------- | |
| 740 */ | |
| 741 | |
| 742 static void pixbuf_copy_font(GdkPixbuf *src, gint sx, gint sy, | |
| 743 GdkPixbuf *dest, gint dx, gint dy, | |
| 744 gint w, gint h, | |
| 745 guint8 r, guint8 g, guint8 b, guint8 a) | |
| 746 { | |
| 747 gint sw, sh, srs; | |
| 1443 | 748 gboolean s_alpha; |
| 9 | 749 gint s_step; |
| 750 guchar *s_pix; | |
| 751 gint dw, dh, drs; | |
| 1443 | 752 gboolean d_alpha; |
| 9 | 753 gint d_step; |
| 754 guchar *d_pix; | |
| 755 | |
| 756 guchar *sp; | |
| 757 guchar *dp; | |
| 758 gint i, j; | |
| 759 | |
| 760 if (!src || !dest) return; | |
| 761 | |
| 762 sw = gdk_pixbuf_get_width(src); | |
| 763 sh = gdk_pixbuf_get_height(src); | |
| 764 | |
| 765 if (sx < 0 || sx + w > sw) return; | |
| 766 if (sy < 0 || sy + h > sh) return; | |
| 767 | |
| 768 dw = gdk_pixbuf_get_width(dest); | |
| 769 dh = gdk_pixbuf_get_height(dest); | |
| 770 | |
| 771 if (dx < 0 || dx + w > dw) return; | |
| 772 if (dy < 0 || dy + h > dh) return; | |
| 773 | |
| 774 s_alpha = gdk_pixbuf_get_has_alpha(src); | |
| 775 d_alpha = gdk_pixbuf_get_has_alpha(dest); | |
| 776 srs = gdk_pixbuf_get_rowstride(src); | |
| 777 drs = gdk_pixbuf_get_rowstride(dest); | |
| 778 s_pix = gdk_pixbuf_get_pixels(src); | |
| 779 d_pix = gdk_pixbuf_get_pixels(dest); | |
| 780 | |
| 781 s_step = (s_alpha) ? 4 : 3; | |
| 782 d_step = (d_alpha) ? 4 : 3; | |
| 783 | |
| 784 for (i = 0; i < h; i++) | |
| 785 { | |
| 786 sp = s_pix + (sy + i) * srs + sx * s_step; | |
| 787 dp = d_pix + (dy + i) * drs + dx * d_step; | |
| 788 for (j = 0; j < w; j++) | |
| 789 { | |
| 790 if (*sp) | |
| 791 { | |
| 792 guint8 asub; | |
| 793 | |
| 794 asub = a * sp[0] / 255; | |
| 795 *dp = (r * asub + *dp * (256-asub)) >> 8; | |
| 796 dp++; | |
| 797 asub = a * sp[1] / 255; | |
| 798 *dp = (g * asub + *dp * (256-asub)) >> 8; | |
| 799 dp++; | |
| 800 asub = a * sp[2] / 255; | |
| 801 *dp = (b * asub + *dp * (256-asub)) >> 8; | |
| 802 dp++; | |
| 803 | |
| 804 if (d_alpha) | |
| 805 { | |
| 806 *dp = MAX(*dp, a * ((sp[0] + sp[1] + sp[2]) / 3) / 255); | |
| 807 dp++; | |
| 808 } | |
| 809 } | |
| 810 else | |
| 811 { | |
| 812 dp += d_step; | |
| 813 } | |
| 814 | |
| 815 sp += s_step; | |
| 816 } | |
| 817 } | |
| 818 } | |
| 819 | |
| 820 void pixbuf_draw_layout(GdkPixbuf *pixbuf, PangoLayout *layout, GtkWidget *widget, | |
| 821 gint x, gint y, | |
| 822 guint8 r, guint8 g, guint8 b, guint8 a) | |
| 823 { | |
| 824 GdkPixbuf *buffer; | |
| 825 gint w, h; | |
| 826 gint sx, sy; | |
| 827 gint dw, dh; | |
|
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828 cairo_surface_t *source; |
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829 cairo_t *cr; |
| 9 | 830 |
| 831 pango_layout_get_pixel_size(layout, &w, &h); | |
|
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832 if (w < 1 || h < 1) return; |
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833 |
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834 source = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h); |
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835 |
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836 cr = cairo_create (source); |
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837 cairo_set_source_rgb(cr, 0, 0, 0); |
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838 cairo_rectangle (cr, 0, 0, w, h); |
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839 cairo_fill (cr); |
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840 cairo_set_source_rgb(cr, 1, 1, 1); |
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841 pango_cairo_show_layout (cr, layout); |
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842 cairo_destroy (cr); |
| 9 | 843 |
|
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844 buffer = gdk_pixbuf_new_from_data (cairo_image_surface_get_data (source), |
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845 GDK_COLORSPACE_RGB, |
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846 cairo_image_surface_get_format (source) == CAIRO_FORMAT_ARGB32, |
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847 8, |
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848 cairo_image_surface_get_width (source), |
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849 cairo_image_surface_get_height (source), |
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850 cairo_image_surface_get_stride (source), |
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851 NULL, |
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852 NULL); |
| 9 | 853 |
| 854 sx = 0; | |
| 855 sy = 0; | |
| 856 dw = gdk_pixbuf_get_width(pixbuf); | |
| 857 dh = gdk_pixbuf_get_height(pixbuf); | |
| 858 | |
| 859 if (x < 0) | |
| 860 { | |
| 861 w += x; | |
| 862 sx = -x; | |
| 863 x = 0; | |
| 864 } | |
| 865 | |
| 866 if (y < 0) | |
| 867 { | |
| 868 h += y; | |
| 869 sy = -y; | |
| 870 y = 0; | |
| 871 } | |
| 872 | |
| 873 if (x + w > dw) w = dw - x; | |
| 874 if (y + h > dh) h = dh - y; | |
| 875 | |
|
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876 pixbuf_copy_font(buffer, sx, sy, |
| 9 | 877 pixbuf, x, y, w, h, |
| 878 r, g, b, a); | |
| 879 | |
| 880 g_object_unref(buffer); | |
|
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881 cairo_surface_destroy(source); |
| 9 | 882 } |
| 883 | |
|
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884 /* |
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885 *----------------------------------------------------------------------------- |
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886 * pixbuf drawing (triangle) |
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887 *----------------------------------------------------------------------------- |
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888 */ |
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889 |
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890 void util_clip_triangle(gint x1, gint y1, gint x2, gint y2, gint x3, gint y3, |
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891 gint *rx, gint *ry, gint *rw, gint *rh) |
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892 { |
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893 gint tx, ty, tw, th; |
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894 |
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895 tx = MIN(x1, x2); |
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896 tx = MIN(tx, x3); |
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897 ty = MIN(y1, y2); |
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898 ty = MIN(ty, y3); |
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899 tw = MAX(abs(x1 - x2), abs(x2 - x3)); |
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900 tw = MAX(tw, abs(x3 - x1)); |
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901 th = MAX(abs(y1 - y2), abs(y2 - y3)); |
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902 th = MAX(th, abs(y3 - y1)); |
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903 |
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904 *rx = tx; |
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905 *ry = ty; |
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906 *rw = tw; |
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907 *rh = th; |
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908 } |
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|
909 |
|
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910 void pixbuf_draw_triangle(GdkPixbuf *pb, |
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911 gint clip_x, gint clip_y, gint clip_w, gint clip_h, |
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912 gint x1, gint y1, gint x2, gint y2, gint x3, gint y3, |
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913 guint8 r, guint8 g, guint8 b, guint8 a) |
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914 { |
| 1443 | 915 gboolean has_alpha; |
|
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916 gint pw, ph, prs; |
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917 gint rx, ry, rw, rh; |
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918 gint tx, ty, tw, th; |
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919 gint fx1, fy1; |
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920 gint fx2, fy2; |
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921 gint fw, fh; |
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922 guchar *p_pix; |
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923 guchar *pp; |
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changeset
|
924 gint p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
925 gdouble slope1, slope2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
926 gint slope1_x, slope1_y; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
927 gint y; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
928 gint t; |
| 1437 | 929 gboolean middle = FALSE; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
930 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
931 if (!pb) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
932 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
933 pw = gdk_pixbuf_get_width(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
934 ph = gdk_pixbuf_get_height(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
935 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
936 if (!util_clip_region(0, 0, pw, ph, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
937 clip_x, clip_y, clip_w, clip_h, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
938 &rx, &ry, &rw, &rh)) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
939 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
940 util_clip_triangle(x1, y1, x2, y2, x3, y3, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
941 &tx, &ty, &tw, &th); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
942 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
943 if (!util_clip_region(rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
944 tx, ty, tw, th, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
945 &fx1, &fy1, &fw, &fh)) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
946 fx2 = fx1 + fw; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
947 fy2 = fy1 + fh; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
948 |
| 1443 | 949 has_alpha = gdk_pixbuf_get_has_alpha(pb); |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
950 prs = gdk_pixbuf_get_rowstride(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
951 p_pix = gdk_pixbuf_get_pixels(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
952 |
| 1443 | 953 p_step = (has_alpha) ? 4 : 3; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
954 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
955 if (y1 > y2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
956 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
957 t = x1; x1 = x2; x2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
958 t = y1; y1 = y2; y2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
959 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
960 if (y2 > y3) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
961 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
962 t = x2; x2 = x3; x3 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
963 t = y2; y2 = y3; y3 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
964 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
965 if (y1 > y2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
966 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
967 t = x1; x1 = x2; x2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
968 t = y1; y1 = y2; y2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
969 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
970 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
971 slope1 = (gdouble)(y2 - y1); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
972 if (slope1) slope1 = (gdouble)(x2 - x1) / slope1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
973 slope1_x = x1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
974 slope1_y = y1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
975 slope2 = (gdouble)(y3 - y1); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
976 if (slope2) slope2 = (gdouble)(x3 - x1) / slope2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
977 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
978 for (y = fy1; y < fy2; y++) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
979 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
980 gint xa, xb; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
981 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
982 if (!middle && y > y2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
983 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
984 slope1 = (gdouble)(y3 - y2); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
985 if (slope1) slope1 = (gdouble)(x3 - x2) / slope1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
986 slope1_x = x2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
987 slope1_y = y2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
988 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
989 middle = TRUE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
990 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
991 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
992 xa = slope1_x + ((gdouble)slope1 * (y - slope1_y) + 0.5); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
993 xb = x1 + ((gdouble)slope2 * (y - y1) + 0.5); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
994 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
995 if (xa > xb) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
996 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
997 t = xa; xa = xb; xb = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
998 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
999 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1000 xa = CLAMP(xa, fx1, fx2); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1001 xb = CLAMP(xb, fx1, fx2); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1002 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1003 pp = p_pix + y * prs + xa * p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1004 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1005 while (xa < xb) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1006 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1007 *pp = (r * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1008 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1009 *pp = (g * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1010 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1011 *pp = (b * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1012 pp++; |
| 1443 | 1013 if (has_alpha) pp++; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1014 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1015 xa++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1016 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1017 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1018 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1019 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1020 /* |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1021 *----------------------------------------------------------------------------- |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1022 * pixbuf drawing (line) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1023 *----------------------------------------------------------------------------- |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1024 */ |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1025 |
| 1443 | 1026 static gboolean util_clip_line(gdouble clip_x, gdouble clip_y, gdouble clip_w, gdouble clip_h, |
| 1027 gdouble x1, gdouble y1, gdouble x2, gdouble y2, | |
| 1028 gdouble *rx1, gdouble *ry1, gdouble *rx2, gdouble *ry2) | |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1029 { |
| 1437 | 1030 gboolean flip = FALSE; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1031 gdouble d; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1032 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1033 if (x1 > x2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1034 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1035 gdouble t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1036 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1037 t = x1; x1 = x2; x2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1038 t = y1; y1 = y2; y2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1039 flip = TRUE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1040 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1041 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1042 if (x2 < clip_x || x1 > clip_x + clip_w) return FALSE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1043 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1044 if (y1 < y2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1045 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1046 if (y2 < clip_y || y1 > clip_y + clip_h) return FALSE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1047 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1048 else |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1049 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1050 if (y1 < clip_y || y2 > clip_y + clip_h) return FALSE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1051 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1052 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1053 d = x2 - x1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1054 if (d > 0.0) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1055 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1056 gdouble slope; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1057 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1058 slope = (y2 - y1) / d; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1059 if (x1 < clip_x) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1060 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1061 y1 = y1 + slope * (clip_x - x1); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1062 x1 = clip_x; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1063 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1064 if (x2 > clip_x + clip_w) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1065 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1066 y2 = y2 + slope * (clip_x + clip_w - x2); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1067 x2 = clip_x + clip_w; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1068 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1069 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1070 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1071 if (y1 < y2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1072 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1073 if (y2 < clip_y || y1 > clip_y + clip_h) return FALSE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1074 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1075 else |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1076 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1077 gdouble t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1078 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1079 if (y1 < clip_y || y2 > clip_y + clip_h) return FALSE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1080 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1081 t = x1; x1 = x2; x2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1082 t = y1; y1 = y2; y2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1083 flip = !flip; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1084 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1085 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1086 d = y2 - y1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1087 if (d > 0.0) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1088 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1089 gdouble slope; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1090 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1091 slope = (x2 - x1) / d; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1092 if (y1 < clip_y) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1093 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1094 x1 = x1 + slope * (clip_y - y1); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1095 y1 = clip_y; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1096 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1097 if (y2 > clip_y + clip_h) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1098 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1099 x2 = x2 + slope * (clip_y + clip_h - y2); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1100 y2 = clip_y + clip_h; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1101 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1102 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1103 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1104 if (flip) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1105 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1106 *rx1 = x2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1107 *ry1 = y2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1108 *rx2 = x1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1109 *ry2 = y1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1110 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1111 else |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1112 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1113 *rx1 = x1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1114 *ry1 = y1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1115 *rx2 = x2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1116 *ry2 = y2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1117 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1118 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1119 return TRUE; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1120 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1121 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1122 void pixbuf_draw_line(GdkPixbuf *pb, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1123 gint clip_x, gint clip_y, gint clip_w, gint clip_h, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1124 gint x1, gint y1, gint x2, gint y2, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1125 guint8 r, guint8 g, guint8 b, guint8 a) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1126 { |
| 1443 | 1127 gboolean has_alpha; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1128 gint pw, ph, prs; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1129 gint rx, ry, rw, rh; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1130 gdouble rx1, ry1, rx2, ry2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1131 guchar *p_pix; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1132 guchar *pp; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1133 gint p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1134 gdouble slope; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1135 gdouble x, y; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1136 gint px, py; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1137 gint cx1, cy1, cx2, cy2; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1138 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1139 if (!pb) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1140 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1141 pw = gdk_pixbuf_get_width(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1142 ph = gdk_pixbuf_get_height(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1143 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1144 if (!util_clip_region(0, 0, pw, ph, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1145 clip_x, clip_y, clip_w, clip_h, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1146 &rx, &ry, &rw, &rh)) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1147 if (!util_clip_line((gdouble)rx, (gdouble)ry, (gdouble)rw, (gdouble)rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1148 (gdouble)x1, (gdouble)y1, (gdouble)x2, (gdouble)y2, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1149 &rx1, &ry1, &rx2, &ry2)) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1150 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1151 cx1 = rx; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1152 cy1 = ry; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1153 cx2 = rx + rw; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1154 cy2 = ry + rh; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1155 |
| 1443 | 1156 has_alpha = gdk_pixbuf_get_has_alpha(pb); |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1157 prs = gdk_pixbuf_get_rowstride(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1158 p_pix = gdk_pixbuf_get_pixels(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1159 |
| 1443 | 1160 p_step = (has_alpha) ? 4 : 3; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1161 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1162 if (fabs(rx2 - rx1) > fabs(ry2 - ry1)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1163 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1164 if (rx1 > rx2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1165 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1166 gdouble t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1167 t = rx1; rx1 = rx2; rx2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1168 t = ry1; ry1 = ry2; ry2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1169 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1170 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1171 slope = rx2 - rx1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1172 if (slope != 0.0) slope = (ry2 - ry1) / slope; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1173 for (x = rx1; x < rx2; x += 1.0) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1174 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1175 px = (gint)(x + 0.5); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1176 py = (gint)(ry1 + (x - rx1) * slope + 0.5); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1177 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1178 if (px >= cx1 && px < cx2 && py >= cy1 && py < cy2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1179 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1180 pp = p_pix + py * prs + px * p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1181 *pp = (r * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1182 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1183 *pp = (g * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1184 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1185 *pp = (b * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1186 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1187 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1188 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1189 else |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1190 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1191 if (ry1 > ry2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1192 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1193 gdouble t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1194 t = rx1; rx1 = rx2; rx2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1195 t = ry1; ry1 = ry2; ry2 = t; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1196 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1197 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1198 slope = ry2 - ry1; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1199 if (slope != 0.0) slope = (rx2 - rx1) / slope; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1200 for (y = ry1; y < ry2; y += 1.0) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1201 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1202 px = (gint)(rx1 + (y - ry1) * slope + 0.5); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1203 py = (gint)(y + 0.5); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1204 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1205 if (px >= cx1 && px < cx2 && py >= cy1 && py < cy2) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1206 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1207 pp = p_pix + py * prs + px * p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1208 *pp = (r * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1209 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1210 *pp = (g * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1211 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1212 *pp = (b * a + *pp * (256-a)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1213 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1214 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1215 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1216 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1217 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1218 /* |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1219 *----------------------------------------------------------------------------- |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1220 * pixbuf drawing (fades and shadows) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1221 *----------------------------------------------------------------------------- |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1222 */ |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1223 |
| 1443 | 1224 static void pixbuf_draw_fade_linear(guchar *p_pix, gint prs, gboolean has_alpha, |
| 1225 gint s, gboolean vertical, gint border, | |
| 442 | 1226 gint x1, gint y1, gint x2, gint y2, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1227 guint8 r, guint8 g, guint8 b, guint8 a) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1228 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1229 guchar *pp; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1230 gint p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1231 guint8 n = a; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1232 gint i, j; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1233 |
| 1443 | 1234 p_step = (has_alpha) ? 4 : 3; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1235 for (j = y1; j < y2; j++) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1236 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1237 pp = p_pix + j * prs + x1 * p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1238 if (!vertical) n = a - a * abs(j - s) / border; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1239 for (i = x1; i < x2; i++) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1240 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1241 if (vertical) n = a - a * abs(i - s) / border; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1242 *pp = (r * n + *pp * (256-n)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1243 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1244 *pp = (g * n + *pp * (256-n)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1245 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1246 *pp = (b * n + *pp * (256-n)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1247 pp++; |
| 1443 | 1248 if (has_alpha) pp++; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1249 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1250 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1251 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1252 |
| 1443 | 1253 static void pixbuf_draw_fade_radius(guchar *p_pix, gint prs, gboolean has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1254 gint sx, gint sy, gint border, |
| 442 | 1255 gint x1, gint y1, gint x2, gint y2, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1256 guint8 r, guint8 g, guint8 b, guint8 a) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1257 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1258 guchar *pp; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1259 gint p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1260 gint i, j; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1261 |
| 1443 | 1262 p_step = (has_alpha) ? 4 : 3; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1263 for (j = y1; j < y2; j++) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1264 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1265 pp = p_pix + j * prs + x1 * p_step; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1266 for (i = x1; i < x2; i++) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1267 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1268 guint8 n; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1269 gint r; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1270 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1271 r = MIN(border, (gint)sqrt((i-sx)*(i-sx) + (j-sy)*(j-sy))); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1272 n = a - a * r / border; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1273 *pp = (r * n + *pp * (256-n)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1274 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1275 *pp = (g * n + *pp * (256-n)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1276 pp++; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1277 *pp = (b * n + *pp * (256-n)) >> 8; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1278 pp++; |
| 1443 | 1279 if (has_alpha) pp++; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1280 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1281 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1282 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1283 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1284 void pixbuf_draw_shadow(GdkPixbuf *pb, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1285 gint clip_x, gint clip_y, gint clip_w, gint clip_h, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1286 gint x, gint y, gint w, gint h, gint border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1287 guint8 r, guint8 g, guint8 b, guint8 a) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1288 { |
| 1443 | 1289 gint has_alpha; |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1290 gint pw, ph, prs; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1291 gint rx, ry, rw, rh; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1292 gint fx, fy, fw, fh; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1293 guchar *p_pix; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1294 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1295 if (!pb) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1296 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1297 pw = gdk_pixbuf_get_width(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1298 ph = gdk_pixbuf_get_height(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1299 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1300 if (!util_clip_region(0, 0, pw, ph, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1301 clip_x, clip_y, clip_w, clip_h, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1302 &rx, &ry, &rw, &rh)) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1303 |
| 1443 | 1304 has_alpha = gdk_pixbuf_get_has_alpha(pb); |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1305 prs = gdk_pixbuf_get_rowstride(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1306 p_pix = gdk_pixbuf_get_pixels(pb); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1307 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1308 if (util_clip_region(x + border, y + border, w - border * 2, h - border * 2, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1309 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1310 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1311 { |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1312 pixbuf_draw_rect_fill(pb, fx, fy, fw, fh, r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1313 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1314 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1315 if (border < 1) return; |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1316 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1317 if (util_clip_region(x, y + border, border, h - border * 2, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1318 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1319 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1320 { |
| 1443 | 1321 pixbuf_draw_fade_linear(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1322 x + border, TRUE, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1323 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1324 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1325 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1326 if (util_clip_region(x + w - border, y + border, border, h - border * 2, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1327 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1328 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1329 { |
| 1443 | 1330 pixbuf_draw_fade_linear(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1331 x + w - border, TRUE, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1332 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1333 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1334 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1335 if (util_clip_region(x + border, y, w - border * 2, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1336 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1337 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1338 { |
| 1443 | 1339 pixbuf_draw_fade_linear(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1340 y + border, FALSE, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1341 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1342 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1343 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1344 if (util_clip_region(x + border, y + h - border, w - border * 2, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1345 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1346 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1347 { |
| 1443 | 1348 pixbuf_draw_fade_linear(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1349 y + h - border, FALSE, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1350 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1351 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1352 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1353 if (util_clip_region(x, y, border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1354 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1355 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1356 { |
| 1443 | 1357 pixbuf_draw_fade_radius(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1358 x + border, y + border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1359 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1360 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1361 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1362 if (util_clip_region(x + w - border, y, border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1363 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1364 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1365 { |
| 1443 | 1366 pixbuf_draw_fade_radius(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1367 x + w - border, y + border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1368 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1369 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1370 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1371 if (util_clip_region(x, y + h - border, border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1372 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1373 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1374 { |
| 1443 | 1375 pixbuf_draw_fade_radius(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1376 x + border, y + h - border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1377 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1378 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1379 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1380 if (util_clip_region(x + w - border, y + h - border, border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1381 rx, ry, rw, rh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1382 &fx, &fy, &fw, &fh)) |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1383 { |
| 1443 | 1384 pixbuf_draw_fade_radius(p_pix, prs, has_alpha, |
|
33
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1385 x + w - border, y + h - border, border, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1386 fx, fy, fx + fw, fy + fh, |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1387 r, g, b, a); |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1388 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1389 } |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1390 |
|
96e4f244caa7
Wed Apr 6 06:41:25 2005 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
12
diff
changeset
|
1391 |
|
82
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1392 /* |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1393 *----------------------------------------------------------------------------- |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1394 * pixbuf color alterations |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1395 *----------------------------------------------------------------------------- |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1396 */ |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1397 |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1398 void pixbuf_desaturate_rect(GdkPixbuf *pb, |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1399 gint x, gint y, gint w, gint h) |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1400 { |
| 1443 | 1401 gboolean has_alpha; |
|
82
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1402 gint pw, ph, prs; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1403 guchar *p_pix; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1404 guchar *pp; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1405 gint i, j; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1406 |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1407 if (!pb) return; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1408 |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1409 pw = gdk_pixbuf_get_width(pb); |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1410 ph = gdk_pixbuf_get_height(pb); |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1411 |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1412 if (x < 0 || x + w > pw) return; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1413 if (y < 0 || y + h > ph) return; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1414 |
| 1443 | 1415 has_alpha = gdk_pixbuf_get_has_alpha(pb); |
|
82
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1416 prs = gdk_pixbuf_get_rowstride(pb); |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1417 p_pix = gdk_pixbuf_get_pixels(pb); |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1418 |
| 442 | 1419 for (i = 0; i < h; i++) |
|
82
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1420 { |
| 1443 | 1421 pp = p_pix + (y + i) * prs + (x * (has_alpha ? 4 : 3)); |
|
82
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1422 for (j = 0; j < w; j++) |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1423 { |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1424 guint8 grey; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1425 |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1426 grey = (pp[0] + pp[1] + pp[2]) / 3; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1427 *pp = grey; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1428 pp++; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1429 *pp = grey; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1430 pp++; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1431 *pp = grey; |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1432 pp++; |
| 1443 | 1433 if (has_alpha) pp++; |
|
82
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1434 } |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1435 } |
|
05a6aea69f24
Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>
John Ellis <johne@verizon.net>
parents:
41
diff
changeset
|
1436 } |
|
1055
4bbdfab3c89a
Adding a vim modeline to all files - patch by Klaus Ethgen
Vladimir Nadvornik <nadvornik@suse.cz>
parents:
1043
diff
changeset
|
1437 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */ |