ui/gtk/image.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2017 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../../ucx/map.h"

#include "image.h"
#include "../common/properties.h"


static UcxMap *image_map;

void ui_image_init() {
    image_map = ucx_map_new(8);
}

void ui_add_image(char *imgname, char *filename) {
    // create file path
    char *path =  uic_get_image_path(filename);
    if(!path) {
        // TODO: error
        fprintf(stderr, "UiError: pixmaps directory not set\n");
        return;
    }
    
    GError *error = NULL;
    GdkPixbuf *image = gdk_pixbuf_new_from_file(path, &error);
    if(!image) {
        // TODO: error
        fprintf(stderr, "UiError: Cannot load image: %s\n", path);
    } else {
        ucx_map_cstr_put(image_map, imgname, image);
    }
    
    free(path);
}

GdkPixbuf* ui_get_image(char *name) {
    GdkPixbuf *pixbuf = ucx_map_cstr_get(image_map, name);
    if(pixbuf) {
        return pixbuf;
    } else {
        ui_add_image(name, name);
        return ucx_map_cstr_get(image_map, name);
    }
}