Mercurial > hg > forks > geeqie
annotate src/image_load_collection.c @ 2800:0ecd4885dc09
Bug fix: Collection preview
Creating thumbnails takes too long; use only thumbnails in the cache.
Option in Preferences/General to define the maximum number of thumbnails
in the montage.
| author | Colin Clark <colin.clark@cclark.uk> |
|---|---|
| date | Thu, 19 Jul 2018 10:56:46 +0100 |
| parents | d9764817aad8 |
| children |
| rev | line source |
|---|---|
| 2798 | 1 /* |
| 2 * Copyright (C) 20018 - The Geeqie Team | |
| 3 * | |
| 4 * Author: Colin Clark | |
| 5 * | |
| 6 * This program is free software; you can redistribute it and/or modify | |
| 7 * it under the terms of the GNU General Public License as published by | |
| 8 * the Free Software Foundation; either version 2 of the License, or | |
| 9 * (at your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, | |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 * GNU General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License along | |
| 17 * with this program; if not, write to the Free Software Foundation, Inc., | |
| 18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 */ | |
| 20 | |
| 21 #include "main.h" | |
| 22 #include "image-load.h" | |
| 23 #include "image_load_collection.h" | |
| 24 | |
|
2800
0ecd4885dc09
Bug fix: Collection preview
Colin Clark <colin.clark@cclark.uk>
parents:
2798
diff
changeset
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25 #include "cache.h" |
| 2798 | 26 #include "misc.h" |
|
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0ecd4885dc09
Bug fix: Collection preview
Colin Clark <colin.clark@cclark.uk>
parents:
2798
diff
changeset
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27 #include "ui_fileops.h" |
| 2798 | 28 |
| 29 typedef struct _ImageLoaderCOLLECTION ImageLoaderCOLLECTION; | |
| 30 struct _ImageLoaderCOLLECTION { | |
| 31 ImageLoaderBackendCbAreaUpdated area_updated_cb; | |
| 32 ImageLoaderBackendCbSize size_cb; | |
| 33 ImageLoaderBackendCbAreaPrepared area_prepared_cb; | |
| 34 gpointer data; | |
| 35 GdkPixbuf *pixbuf; | |
| 36 guint requested_width; | |
| 37 guint requested_height; | |
| 38 gboolean abort; | |
| 39 }; | |
| 40 | |
| 41 static gboolean image_loader_collection_load(gpointer loader, const guchar *buf, gsize count, GError **error) | |
| 42 { | |
| 43 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader; | |
| 44 ImageLoader *il = ld->data; | |
| 45 | |
| 46 #define LINE_LENGTH 1000 | |
| 47 | |
| 48 gboolean ret = FALSE; | |
| 49 gchar *randname; | |
| 50 gchar *cmd_line; | |
| 51 FILE *fp = NULL; | |
| 52 gint line_count = 0; | |
| 53 GString *file_names = g_string_new(NULL); | |
| 54 gchar line[LINE_LENGTH]; | |
|
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parents:
2798
diff
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55 gchar **split_line = NULL; |
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parents:
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56 gchar *cache_found; |
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parents:
2798
diff
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57 gchar *pathl; |
| 2798 | 58 |
| 59 if (runcmd("which montage >/dev/null 2>&1") == 0) | |
| 60 { | |
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parents:
2798
diff
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61 pathl = path_from_utf8(il->fd->path); |
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parents:
2798
diff
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62 fp = fopen(pathl, "r"); |
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parents:
2798
diff
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63 g_free(pathl); |
| 2798 | 64 if (fp) |
| 65 { | |
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parents:
2798
diff
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66 while(fgets(line, LINE_LENGTH, fp) && line_count < options->thumbnails.collection_preview) |
| 2798 | 67 { |
| 68 if (line[0] && line[0] != '#') | |
| 69 { | |
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parents:
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diff
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70 split_line = g_strsplit(line, "\"", 4); |
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parents:
2798
diff
changeset
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71 cache_found = cache_find_location(CACHE_TYPE_THUMB, split_line[1]); |
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parents:
2798
diff
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72 if (cache_found) |
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parents:
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73 { |
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parents:
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74 file_names = g_string_append(file_names, g_strconcat("\"", cache_found,"\" ", NULL)); |
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parents:
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75 line_count++; |
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76 } |
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parents:
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77 g_free(cache_found); |
| 2798 | 78 } |
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parents:
2798
diff
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79 if (split_line) |
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parents:
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80 { |
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parents:
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81 g_strfreev(split_line); |
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parents:
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diff
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82 } |
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0ecd4885dc09
Bug fix: Collection preview
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parents:
2798
diff
changeset
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83 split_line = NULL; |
| 2798 | 84 } |
| 85 fclose(fp); | |
| 86 | |
| 87 if (file_names->len > 0) | |
| 88 { | |
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2800
0ecd4885dc09
Bug fix: Collection preview
Colin Clark <colin.clark@cclark.uk>
parents:
2798
diff
changeset
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89 randname = g_strdup("/tmp/geeqie_collection_XXXXXX.png"); |
| 2798 | 90 g_mkstemp(randname); |
| 91 | |
| 92 cmd_line = g_strdup_printf("montage %s -geometry %dx%d+1+1 %s >/dev/null 2>&1", file_names->str, options->thumbnails.max_width, options->thumbnails.max_height, randname); | |
| 93 | |
| 94 runcmd(cmd_line); | |
| 95 ld->pixbuf = gdk_pixbuf_new_from_file(randname, NULL); | |
| 96 if (ld->pixbuf) | |
| 97 { | |
| 98 ld->area_updated_cb(loader, 0, 0, gdk_pixbuf_get_width(ld->pixbuf), gdk_pixbuf_get_height(ld->pixbuf), ld->data); | |
| 99 } | |
| 100 | |
| 101 unlink(randname); | |
| 102 g_free(randname); | |
| 103 g_string_free(file_names, TRUE); | |
| 104 g_free(cmd_line); | |
| 105 | |
| 106 ret = TRUE; | |
| 107 } | |
| 108 else | |
| 109 { | |
| 110 g_string_free(file_names, TRUE); | |
| 111 } | |
| 112 } | |
| 113 } | |
| 114 return ret; | |
| 115 } | |
| 116 | |
| 117 static gpointer image_loader_collection_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data) | |
| 118 { | |
| 119 ImageLoaderCOLLECTION *loader = g_new0(ImageLoaderCOLLECTION, 1); | |
| 120 loader->area_updated_cb = area_updated_cb; | |
| 121 loader->size_cb = size_cb; | |
| 122 loader->area_prepared_cb = area_prepared_cb; | |
| 123 loader->data = data; | |
| 124 return (gpointer) loader; | |
| 125 } | |
| 126 | |
| 127 static void image_loader_collection_set_size(gpointer loader, int width, int height) | |
| 128 { | |
| 129 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader; | |
| 130 ld->requested_width = width; | |
| 131 ld->requested_height = height; | |
| 132 } | |
| 133 | |
| 134 static GdkPixbuf* image_loader_collection_get_pixbuf(gpointer loader) | |
| 135 { | |
| 136 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader; | |
| 137 return ld->pixbuf; | |
| 138 } | |
| 139 | |
| 140 static gchar* image_loader_collection_get_format_name(gpointer loader) | |
| 141 { | |
| 142 return g_strdup("collection"); | |
| 143 } | |
| 144 static gchar** image_loader_collection_get_format_mime_types(gpointer loader) | |
| 145 { | |
| 146 static gchar *mime[] = {"image/png", NULL}; | |
| 147 return g_strdupv(mime); | |
| 148 } | |
| 149 | |
| 150 static gboolean image_loader_collection_close(gpointer loader, GError **error) | |
| 151 { | |
| 152 return TRUE; | |
| 153 } | |
| 154 | |
| 155 static void image_loader_collection_abort(gpointer loader) | |
| 156 { | |
| 157 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader; | |
| 158 ld->abort = TRUE; | |
| 159 } | |
| 160 | |
| 161 static void image_loader_collection_free(gpointer loader) | |
| 162 { | |
| 163 ImageLoaderCOLLECTION *ld = (ImageLoaderCOLLECTION *) loader; | |
| 164 if (ld->pixbuf) g_object_unref(ld->pixbuf); | |
| 165 g_free(ld); | |
| 166 } | |
| 167 | |
| 168 void image_loader_backend_set_collection(ImageLoaderBackend *funcs) | |
| 169 { | |
| 170 funcs->loader_new = image_loader_collection_new; | |
| 171 funcs->set_size = image_loader_collection_set_size; | |
| 172 funcs->load = image_loader_collection_load; | |
| 173 funcs->write = NULL; | |
| 174 funcs->get_pixbuf = image_loader_collection_get_pixbuf; | |
| 175 funcs->close = image_loader_collection_close; | |
| 176 funcs->abort = image_loader_collection_abort; | |
| 177 funcs->free = image_loader_collection_free; | |
| 178 funcs->get_format_name = image_loader_collection_get_format_name; | |
| 179 funcs->get_format_mime_types = image_loader_collection_get_format_mime_types; | |
| 180 } | |
| 181 | |
| 182 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */ |