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Rev Author Line No. Line
8541 superturbo 1 
/* Written by turbocat2001 (Logaev Maxim) */
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8187 maxcodehac 3 
#include
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#include
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#include
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#include
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#include
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8541 superturbo 9 
#define NEW_IMG_H 128
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#define NEW_IMG_W 128
8187 maxcodehac 11 
 
8541 superturbo 12 
#define IMG_H 256
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#define IMG_W 256
8187 maxcodehac 14 
 
8541 superturbo 15 
Image *image_blend; // Create image struct
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struct kolibri_system_colors sys_color_table;  // Create system colors table
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char* load_img(char* fname, int32_t* read_sz){  // Image file upload function
8187 maxcodehac 20 
    FILE *f = fopen(fname, "rb");
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    if (!f) {
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        printf("Can't open file: %s\n", fname);
8541 superturbo 23 
        exit(0);
8187 maxcodehac 24 
    }
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    if (fseek(f, 0, SEEK_END)) {
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        printf("Can't SEEK_END file: %s\n", fname);
8541 superturbo 27 
        exit(0);
8187 maxcodehac 28 
    }
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    int filesize = ftell(f);
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    rewind(f);
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    char* fdata = malloc(filesize);
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    if(!fdata) {
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        printf("No memory for file %s\n", fname);
8541 superturbo 34 
        exit(0);
8187 maxcodehac 35 
    }
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    *read_sz = fread(fdata, 1, filesize, f);
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    if (ferror(f)) {
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        printf("Error reading file %s\n", fname);
8541 superturbo 39 
        exit(0);
8187 maxcodehac 40 
    }
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    fclose(f);
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    return fdata;
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}
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8541 superturbo 45 
void DrawGUI(){
8187 maxcodehac 46 
    BeginDraw();
8541 superturbo 47 
	DrawWindow(10, 40, (IMG_W+NEW_IMG_W)+50, IMG_H+50, "Libimg", sys_color_table.work_area, 0x34);
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	img_draw(image_blend, 10, 10, IMG_W*2, IMG_H , 0, 0);  // Draw blended image to window
8187 maxcodehac 49 
    EndDraw();
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}
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8541 superturbo 52 
int main(){
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    if (kolibri_libimg_init() == -1){
8187 maxcodehac 54 
		printf("Error loading lib_img.obj\n");
8541 superturbo 55 
        exit(0);
8187 maxcodehac 56 
	}
8541 superturbo 57 
 
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	get_system_colors(&sys_color_table); // Get system colors theme
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    set_event_mask(0xC0000027);
8187 maxcodehac 60 
 
8541 superturbo 61 
    uint32_t img_size;
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    void *file_data = load_img("logo.png", &img_size); // Get RAW data and size
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    Image* image = img_decode(file_data, img_size, 0); // Decode RAW data to Image data
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    if (image->Type != IMAGE_BPP32) {
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        image = img_convert(image, NULL, IMAGE_BPP32, 0, 0); // Convert image to format BPP32
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        if (!image) {
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             printf("Сonvert error!: \n");
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             exit(0);
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        }
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    }
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    image_blend = img_create(IMG_W+NEW_IMG_W, IMG_H, IMAGE_BPP32);  // Create an empty layer
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    img_fill_color(image_blend, IMG_W+NEW_IMG_W, IMG_H, sys_color_table.work_area); // Fill the layer with one color
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    img_blend(image_blend, image, 0, 0, 0, 0, IMG_W, IMG_H);  // Blending images to display the alpha channel.
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    /* Reduce image size from 256x256 to 128x128 */
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    image = img_scale(image, 0, 0, IMG_W, IMG_H, NULL, LIBIMG_SCALE_STRETCH , LIBIMG_INTER_BILINEAR, NEW_IMG_W, NEW_IMG_H);
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    img_blend(image_blend, image, 256, 0, 0, 0, NEW_IMG_W, NEW_IMG_H);
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    img_destroy(image);  // Destroy image structure
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    free(file_data);  // Free allocated file_data buffer
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    /* Main event loop */
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    while (1) {
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		switch(get_os_event()){
8187 maxcodehac 86 
			case KOLIBRI_EVENT_REDRAW:
8541 superturbo 87 
				DrawGUI();
8187 maxcodehac 88 
				break;
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			case KOLIBRI_EVENT_BUTTON:
8541 superturbo 90 
				if (get_os_button() == 1){
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                    return 0;
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                }
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				break;
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        }
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	}
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	exit(0);
8187 maxcodehac 97 
}