ui/gtk/image.c

Fri, 09 Feb 2024 16:50:23 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 09 Feb 2024 16:50:23 +0100
changeset 26
40d6af793c1a
parent 0
2483f517c562
child 29
3fc287f06305
permissions
-rw-r--r--

implement resource deletion

0
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
4 * Copyright 2017 Olaf Wintermann. All rights reserved.
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include <stdio.h>
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30 #include <stdlib.h>
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <string.h>
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include <cx/map.h>
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34 #include "toolkit.h"
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 #include "image.h"
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 #include "../common/properties.h"
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38 static CxMap *image_map;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 static GtkIconTheme *icon_theme;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 void ui_image_init(void) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 image_map = cxHashMapCreateSimple(CX_STORE_POINTERS);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 icon_theme = gtk_icon_theme_get_default();
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 // **** deprecated functions ****
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50 GdkPixbuf* ui_get_image(const char *name) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51 UiImage *img = cxMapGet(image_map, name);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 if(img) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53 return img->pixbuf;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54 } else {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
55 //ui_add_image(name, name);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56 //return ucx_map_cstr_get(image_map, name);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 // TODO
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58 return NULL;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 // **** new functions ****
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 static UiIcon* get_icon(const char *name, int size, int scale) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 #ifdef UI_SUPPORTS_SCALE
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66 GtkIconInfo *info = gtk_icon_theme_lookup_icon_for_scale(icon_theme, name, size, scale, 0);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 #else
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68 GtkIconInfo *info = gtk_icon_theme_lookup_icon(icon_theme, name, size, 0);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 #endif
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 if(info) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71 UiIcon *icon = malloc(sizeof(UiIcon));
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
72 icon->info = info;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
73 return icon;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75 return NULL;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
77
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
78 UiIcon* ui_icon(const char *name, int size) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79 return get_icon(name, size, ui_get_scalefactor());
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82 UiIcon* ui_icon_unscaled(const char *name, int size) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 return get_icon(name, size, 1);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86 void ui_free_icon(UiIcon *icon) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 g_object_unref(icon->info);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88 free(icon);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91 UiImage* ui_icon_image(UiIcon *icon) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 GError *error = NULL;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 GdkPixbuf *pixbuf = gtk_icon_info_load_icon(icon->info, &error);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94 if(pixbuf) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 UiImage *img = malloc(sizeof(UiImage));
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 img->pixbuf = pixbuf;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 return img;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 return NULL;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 UiImage* ui_image(const char *filename) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 return ui_named_image(filename, NULL);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
106 UiImage* ui_named_image(const char *filename, const char *name) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
107 char *path = uic_get_image_path(filename);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
108 if(!path) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
109 fprintf(stderr, "UiError: pixmaps directory not set\n");
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
110 return NULL;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
111 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
112 UiImage *img = ui_load_image_from_path(path, name);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
113 free(path);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
114 return img;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
115 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
116
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
117 UiImage* ui_load_image_from_path(const char *path, const char *name) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
118 GError *error = NULL;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
119 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, &error);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
120 if(!pixbuf) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
121 fprintf(stderr, "UiError: Cannot load image: %s\n", path);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
122 return NULL;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
123 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
124
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
125 UiImage *img = malloc(sizeof(UiImage));
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
126 img->pixbuf = pixbuf;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
127 if(name) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
128 cxMapPut(image_map, name, img);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
129 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
130 return img;
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
131 }
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
132
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
133 void ui_free_image(UiImage *img) {
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
134 g_object_unref(img->pixbuf);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
135 free(img);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
136 }

mercurial