Mercurial > hg > dmlib
annotate tools/fontconv.c @ 874:9d874c1c4a58
Cleanups in fontconv.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 04 Feb 2015 17:49:04 +0200 |
parents | 56e12109b936 |
children | ee46d039c45d |
rev | line source |
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160 | 1 /* |
2 * fontconv - Convert bitmap fonts | |
3 * Programmed and designed by Matti 'ccr' Hamalainen | |
874 | 4 * (C) Copyright 2012-2015 Tecnic Software productions (TNSP) |
160 | 5 * |
6 * Please read file 'COPYING' for information on license and distribution. | |
7 */ | |
8 #include <stdio.h> | |
9 #include "dmlib.h" | |
10 #include "dmargs.h" | |
11 #include "dmfile.h" | |
12 #include "dmimage.h" | |
13 #include "dmtext.h" | |
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14 #include "dmresw.h" |
160 | 15 |
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16 char *optInFilename = NULL, *optOutFilename = NULL; |
160 | 17 |
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18 int optSplitWidth = 8, |
160 | 19 optSplitHeight = 8; |
20 | |
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21 SDL_Color optColor = { 255, 255, 255, 100 }; |
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22 |
160 | 23 |
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24 static const DMOptArg optList[] = |
160 | 25 { |
26 { 0, '?', "help", "Show this help", OPT_NONE }, | |
27 { 1, 'v', "verbose", "Be more verbose", OPT_NONE }, | |
649 | 28 { 2, 'o', "output", "Set output filename", OPT_ARGREQ }, |
160 | 29 { 3, 's', "size", "Set glyph dimensions (-s WxH) for image->font conversion", OPT_ARGREQ }, |
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30 { 4, 'c', "color", "TTF font rendering color (def: 0xFFFFFF)", OPT_ARGREQ }, |
160 | 31 }; |
32 | |
33 const int optListN = sizeof(optList) / sizeof(optList[0]); | |
34 | |
35 | |
36 BOOL argHandleOpt(const int optN, char *optArg, char *currArg) | |
37 { | |
38 switch (optN) | |
39 { | |
40 case 0: | |
41 dmPrintBanner(stdout, dmProgName, | |
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42 "[options] <sourcefile.(ttf|fnt|dmf|png)> <outputfile.dmf>"); |
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43 |
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44 dmArgsPrintHelp(stdout, optList, optListN, 0); |
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45 printf( |
647 | 46 "\n" |
646
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47 "This utility can be used to convert TSFONT files to bitmap DMFONT (DMF)\n" |
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48 "files, render TrueType TTF to DMFONT at desired glyph resolution, or\n" |
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49 "cut a PNG (or JPEG) image to glyphs of desired size.\n"); |
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50 |
160 | 51 exit(0); |
52 break; | |
53 | |
54 case 1: | |
55 dmVerbosity++; | |
56 break; | |
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57 |
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58 case 2: |
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59 optOutFilename = optArg; |
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60 break; |
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61 |
160 | 62 case 3: |
63 { | |
64 int w, h; | |
65 if (sscanf(optArg, "%dx%d", &w, &h) != 2) | |
66 { | |
67 dmError("Invalid argument for -s option, '%s'.\n", | |
68 optArg); | |
69 return FALSE; | |
70 } | |
71 if (w < DMFONT_MIN_WIDTH || w > DMFONT_MAX_WIDTH || | |
72 h < DMFONT_MIN_HEIGHT || h > DMFONT_MAX_HEIGHT) | |
73 { | |
74 dmError("Invalid dimensions, must be %d < W %d, %d < H < %d.\n", | |
75 DMFONT_MIN_WIDTH , DMFONT_MAX_WIDTH, | |
76 DMFONT_MIN_HEIGHT , DMFONT_MAX_HEIGHT); | |
77 return FALSE; | |
78 } | |
79 optSplitWidth = w; | |
80 optSplitHeight = h; | |
81 } | |
82 break; | |
83 | |
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84 case 4: |
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85 { |
867 | 86 unsigned int colR, colG, colB, colA = 100; |
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87 if (optArg[0] == '#' || optArg[0] == '$') optArg++; |
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88 else |
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89 if (optArg[0] == '0' && optArg[1] == 'x') optArg += 2; |
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90 |
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91 if (sscanf(optArg, "%02x%02x%02x", &colR, &colG, &colB) != 3 && |
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92 sscanf(optArg, "%02x%02x%02x%02x", &colR, &colG, &colB, &colA) != 4) |
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93 { |
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94 dmError("Invalid RGB hex representation '%s'.\n", |
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95 optArg); |
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96 return FALSE; |
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97 } |
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98 |
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99 optColor.r = colR; |
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100 optColor.g = colG; |
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101 optColor.b = colB; |
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102 optColor.unused = colA; |
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103 } |
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104 break; |
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105 |
160 | 106 default: |
107 dmError("Unknown argument '%s'.\n", currArg); | |
108 return FALSE; | |
109 } | |
110 | |
111 return TRUE; | |
112 } | |
113 | |
114 | |
115 BOOL argHandleFile(char *currArg) | |
116 { | |
117 if (!optInFilename) | |
118 optInFilename = currArg; | |
119 else | |
648
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120 if (!optOutFilename) |
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121 optOutFilename = currArg; |
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122 else |
160 | 123 { |
124 dmError("Too many filename arguments, '%s'\n", currArg); | |
125 return FALSE; | |
126 } | |
127 | |
128 return TRUE; | |
129 } | |
130 | |
131 | |
132 int dmCreateBitmapFontFromImage(SDL_Surface *image, int width, int height, DMBitmapFont **pfont) | |
133 { | |
134 int nglyph, xc, yc, xglyphs, yglyphs; | |
135 DMBitmapFont *font; | |
136 | |
874 | 137 if (image->w < width || width < 2 || image->h < height || height < 2) |
160 | 138 return DMERR_INVALID_ARGS; |
139 | |
140 xglyphs = image->w / width; | |
141 yglyphs = image->h / height; | |
142 | |
143 if ((font = dmNewBitmapFont(xglyphs * yglyphs, width, height)) == NULL) | |
144 return DMERR_MALLOC; | |
145 | |
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146 dmMsg(1, "%d x %d split as %d x %d blocks => %d x %d = %d glyphs.\n", |
160 | 147 image->w, image->h, |
148 width, height, | |
149 xglyphs, yglyphs, xglyphs * yglyphs); | |
150 | |
151 nglyph = 0; | |
152 for (yc = 0; yc < yglyphs; yc++) | |
153 for (xc = 0; xc < xglyphs; xc++) | |
154 { | |
155 SDL_Surface *glyph = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, | |
156 image->format->BitsPerPixel, | |
157 image->format->Rmask, | |
158 image->format->Gmask, | |
159 image->format->Bmask, | |
160 image->format->Amask); | |
161 | |
162 if (glyph == NULL) | |
163 { | |
164 dmFreeBitmapFont(font); | |
165 return DMERR_MALLOC; | |
166 } | |
167 | |
168 SDL_Rect r; | |
169 r.x = xc * width; | |
170 r.y = yc * height; | |
171 r.w = width; | |
172 r.h = height; | |
173 | |
174 SDL_BlitSurface(image, &r, glyph, NULL); | |
175 | |
176 font->glyphs[nglyph++] = glyph; | |
177 } | |
178 | |
179 *pfont = font; | |
180 return DMERR_OK; | |
181 } | |
182 | |
183 | |
178
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184 int dmSaveBitmapFont(DMResource *res, DMBitmapFont *font) |
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185 { |
874 | 186 SDL_Surface *glyph; |
178
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187 int maxglyph, nglyphs, n; |
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188 if (font == NULL) |
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189 return DMERR_NULLPTR; |
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190 |
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191 if (font->nglyphs > DMFONT_MAX_GLYPHS || |
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192 font->width > DMFONT_MAX_WIDTH || |
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193 font->height > DMFONT_MAX_HEIGHT || |
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194 font->width < DMFONT_MIN_WIDTH || |
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195 font->height < DMFONT_MIN_HEIGHT) |
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196 return DMERR_INVALID_DATA; |
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197 |
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198 // Count number of actually existing glyphs |
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199 for (maxglyph = nglyphs = n = 0; n < font->nglyphs; n++) |
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200 { |
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201 SDL_Surface *glyph = font->glyphs[n]; |
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202 if (glyph != NULL) |
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203 { |
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204 maxglyph = n; |
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205 if (glyph->w < DMFONT_MIN_WIDTH || |
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206 glyph->h < DMFONT_MIN_HEIGHT || |
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207 glyph->w > DMFONT_MAX_WIDTH || |
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208 glyph->h > DMFONT_MAX_HEIGHT) |
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209 continue; |
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210 nglyphs++; |
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211 } |
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212 } |
874 | 213 |
214 if (nglyphs == 0) | |
215 return DMERR_INVALID_DATA; | |
216 | |
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217 // Write the DMFONT header |
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218 if (!dmf_write_str(res, (Uint8 *) DMFONT_MAGIC, 6)) |
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219 return DMERR_FWRITE; |
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220 |
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221 dmf_write_le16(res, DMFONT_VERSION); |
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222 dmf_write_le16(res, nglyphs); |
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223 dmf_write_le16(res, maxglyph + 1); |
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224 dmfputc(font->width, res); |
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225 dmfputc(font->height, res); |
874 | 226 |
227 // Store glyph format data | |
228 glyph = font->glyphs[maxglyph]; | |
229 dmfputc(glyph->format->BitsPerPixel, res); | |
230 dmf_write_le32(res, glyph->format->Rmask); | |
231 dmf_write_le32(res, glyph->format->Gmask); | |
232 dmf_write_le32(res, glyph->format->Bmask); | |
233 dmf_write_le32(res, glyph->format->Amask); | |
178
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234 |
874 | 235 for (n = 0; n < font->nglyphs; n++) |
236 { | |
237 glyph = font->glyphs[n]; | |
238 if (glyph != NULL) | |
239 { | |
240 int y; | |
241 Uint8 *pixels = glyph->pixels; | |
178
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242 |
874 | 243 if (glyph->w < DMFONT_MIN_WIDTH || |
244 glyph->h < DMFONT_MIN_HEIGHT || | |
245 glyph->w > DMFONT_MAX_WIDTH || | |
246 glyph->h > DMFONT_MAX_HEIGHT) | |
247 continue; | |
248 | |
249 // Each glyph has its table index and w/h stored | |
250 dmf_write_le16(res, n); | |
251 dmfputc(glyph->w, res); | |
252 dmfputc(glyph->h, res); | |
253 | |
254 // Write the pixel data | |
255 for (y = 0; y < glyph->h; y++) | |
178
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256 { |
874 | 257 if (dmfwrite(pixels, glyph->format->BytesPerPixel, glyph->w, res) != (size_t) glyph->w) |
258 return DMERR_FWRITE; | |
259 pixels += glyph->pitch; | |
178
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260 } |
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261 } |
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262 } |
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263 |
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264 return DMERR_OK; |
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265 } |
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266 |
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267 |
160 | 268 int main(int argc, char *argv[]) |
269 { | |
209
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270 DMResource *inFile = NULL, *outFile = NULL; |
160 | 271 DMBitmapFont *font = NULL; |
178
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272 SDL_Surface *fontbmap = NULL; |
160 | 273 int res; |
178
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274 #ifdef DM_GFX_TTF_TEXT |
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275 BOOL initTTF = FALSE; |
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276 TTF_Font *ttf = NULL; |
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277 #endif |
160 | 278 |
644 | 279 dmInitProg("fontconv", "Bitmap font converter", "0.3", NULL, NULL); |
160 | 280 dmVerbosity = 1; |
281 | |
282 // Parse arguments | |
283 if (!dmArgsProcess(argc, argv, optList, optListN, | |
860
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284 argHandleOpt, argHandleFile, OPTH_BAILOUT)) |
160 | 285 exit(1); |
286 | |
287 // Check arguments | |
645
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288 if (!optInFilename || !optOutFilename) |
160 | 289 { |
290 dmError("Input or output file not specified!\n"); | |
291 return 1; | |
292 } | |
178
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293 |
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294 #ifdef DM_GFX_TTF_TEXT |
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295 if (TTF_Init() < 0) |
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296 { |
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297 dmError("Could not initialize FreeType/TTF: %s\n", SDL_GetError()); |
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298 goto error_exit; |
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299 } |
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300 initTTF = TRUE; |
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301 #endif |
160 | 302 |
303 // Open the source file | |
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304 if ((res = dmf_create_stdio(optInFilename, "rb", &inFile)) != DMERR_OK) |
160 | 305 { |
306 dmError("Error opening input file '%s', %d: %s\n", | |
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307 optInFilename, res, dmErrorStr(res)); |
160 | 308 return 1; |
309 } | |
310 | |
178
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311 |
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312 if ((res = dmLoadBitmapFont(inFile, &font)) == DMERR_OK) |
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313 { |
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314 dmMsg(1, "Input is a TSFONT/DMFONT font file.\n"); |
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315 } |
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316 #ifdef DM_GFX_TTF_TEXT |
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317 else |
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318 if ((ttf = TTF_OpenFont(optInFilename, optSplitWidth)) != NULL) |
160 | 319 { |
178
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320 int i; |
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321 dmMsg(1, "Input is a TTF TrueType font, rendering at %d x %d.\n", |
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322 optSplitWidth, optSplitHeight); |
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323 |
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324 TTF_SetFontStyle(ttf, TTF_STYLE_NORMAL); |
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325 |
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326 if ((font = dmNewBitmapFont(256, optSplitWidth - 1, optSplitHeight+4)) == NULL) |
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327 { |
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328 goto error_exit; |
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329 } |
160 | 330 |
178
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331 for (i = 0; i < 255; i++) |
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332 { |
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333 char str[2]; |
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334 str[0] = i; |
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335 str[1] = 0; |
633
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336 font->glyphs[i] = TTF_RenderText_Blended(ttf, str, optColor); |
178
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337 } |
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338 } |
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339 #endif |
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340 else |
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341 { |
160 | 342 dmfseek(inFile, 0L, SEEK_SET); |
343 | |
344 if ((fontbmap = dmLoadImage(inFile)) == NULL) | |
345 { | |
346 dmError("Could not load image file '%s'.\n", optInFilename); | |
347 goto error_exit; | |
348 } | |
349 | |
178
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350 dmMsg(1, "Input is a bitmap image (%d x %d, %d bpp), splitting to %d x %d.\n", |
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351 fontbmap->w, fontbmap->h, fontbmap->format->BitsPerPixel, |
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352 optSplitWidth, optSplitHeight); |
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353 |
160 | 354 if ((res = dmCreateBitmapFontFromImage(fontbmap, optSplitWidth, optSplitHeight, &font)) != DMERR_OK) |
355 { | |
356 dmError("Could not create a font from image, %d: %s\n", | |
357 res, dmErrorStr(res)); | |
358 goto error_exit; | |
359 } | |
360 } | |
361 | |
362 if (font == NULL) | |
363 { | |
364 dmError("No font loaded.\n"); | |
365 goto error_exit; | |
366 } | |
367 | |
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368 dmMsg(1, "Outputting a DMFONT format bitmap font.\n"); |
160 | 369 |
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370 if ((res = dmf_create_stdio(optOutFilename, "wb", &outFile)) != DMERR_OK) |
209
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371 { |
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372 dmError("Error creating file '%s', %d: %s\n", |
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373 optInFilename, res, dmErrorStr(res)); |
209
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374 goto error_exit; |
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375 } |
160 | 376 |
209
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377 res = dmSaveBitmapFont(outFile, font); |
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378 dmf_close(outFile); |
160 | 379 |
380 if (res != DMERR_OK) | |
381 { | |
382 dmError("Error saving font, %d: %s\n", | |
383 res, dmErrorStr(res)); | |
384 } | |
385 | |
386 error_exit: | |
178
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387 |
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388 #ifdef DM_GFX_TTF_TEXT |
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389 if (initTTF) |
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390 TTF_Quit(); |
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391 #endif |
160 | 392 |
393 dmf_close(inFile); | |
394 dmFreeBitmapFont(font); | |
178
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395 SDL_FreeSurface(fontbmap); |
160 | 396 |
397 return 0; | |
398 } |