UNIXworkcode

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(const 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 } 137