ui/gtk/image.c

changeset 0
804d8803eade
child 2
ea89bbb0c4c8
equal deleted inserted replaced
-1:000000000000 0:804d8803eade
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <ucx/map.h>
33
34 #include "toolkit.h"
35 #include "image.h"
36 #include "../common/properties.h"
37
38 static UcxMap *image_map;
39
40 static GtkIconTheme *icon_theme;
41
42 void ui_image_init(void) {
43 image_map = ucx_map_new(8);
44
45 icon_theme = gtk_icon_theme_get_default();
46 }
47
48 // **** deprecated functions ****
49
50 GdkPixbuf* ui_get_image(char *name) {
51 UiImage *img = ucx_map_cstr_get(image_map, name);
52 if(img) {
53 return img->pixbuf;
54 } else {
55 //ui_add_image(name, name);
56 //return ucx_map_cstr_get(image_map, name);
57 // TODO
58 return NULL;
59 }
60 }
61
62 // **** new functions ****
63
64 static UiIcon* get_icon(const char *name, int size, int scale) {
65 #ifdef UI_SUPPORTS_SCALE
66 GtkIconInfo *info = gtk_icon_theme_lookup_icon_for_scale(icon_theme, name, size, scale, 0);
67 #else
68 GtkIconInfo *info = gtk_icon_theme_lookup_icon(icon_theme, name, size, 0);
69 #endif
70 if(info) {
71 UiIcon *icon = malloc(sizeof(UiIcon));
72 icon->info = info;
73 return icon;
74 }
75 return NULL;
76 }
77
78 UiIcon* ui_icon(const char *name, int size) {
79 return get_icon(name, size, ui_get_scalefactor());
80 }
81
82 UiIcon* ui_icon_unscaled(const char *name, int size) {
83 return get_icon(name, size, 1);
84 }
85
86 void ui_free_icon(UiIcon *icon) {
87 g_object_unref(icon->info);
88 free(icon);
89 }
90
91 UiImage* ui_icon_image(UiIcon *icon) {
92 GError *error = NULL;
93 GdkPixbuf *pixbuf = gtk_icon_info_load_icon(icon->info, &error);
94 if(pixbuf) {
95 UiImage *img = malloc(sizeof(UiImage));
96 img->pixbuf = pixbuf;
97 return img;
98 }
99 return NULL;
100 }
101
102 UiImage* ui_image(const char *filename) {
103 return ui_named_image(filename, NULL);
104 }
105
106 UiImage* ui_named_image(const char *filename, const char *name) {
107 char *path = uic_get_image_path(filename);
108 if(!path) {
109 fprintf(stderr, "UiError: pixmaps directory not set\n");
110 return NULL;
111 }
112 UiImage *img = ui_load_image_from_path(path, name);
113 free(path);
114 return img;
115 }
116
117 UiImage* ui_load_image_from_path(const char *path, const char *name) {
118 GError *error = NULL;
119 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, &error);
120 if(!pixbuf) {
121 fprintf(stderr, "UiError: Cannot load image: %s\n", path);
122 return NULL;
123 }
124
125 UiImage *img = malloc(sizeof(UiImage));
126 img->pixbuf = pixbuf;
127 if(name) {
128 ucx_map_cstr_put(image_map, name, img);
129 }
130 return img;
131 }
132
133 void ui_free_image(UiImage *img) {
134 g_object_unref(img->pixbuf);
135 free(img);
136 }

mercurial