| 0,0 → 1,98 |
|---|
| /* Written by turbocat2001 (Logaev Maxim) */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stddef.h> |
| #include <kolibri_libimg.h> |
| #include <kos32sys.h> |
| |
| #define NEW_IMG_H 128 |
| #define NEW_IMG_W 128 |
| |
| #define IMG_H 256 |
| #define IMG_W 256 |
| |
| Image *image_blend; // Create image struct |
| |
| struct kolibri_system_colors sys_color_table; // Create system colors table |
| |
| char* load_img(char* fname, int32_t* read_sz){ // Image file upload function |
| FILE *f = fopen(fname, "rb"); |
| if (!f) { |
| printf("Can't open file: %s\n", fname); |
| exit(0); |
| } |
| if (fseek(f, 0, SEEK_END)) { |
| printf("Can't SEEK_END file: %s\n", fname); |
| exit(0); |
| } |
| int filesize = ftell(f); |
| rewind(f); |
| char* fdata = malloc(filesize); |
| if(!fdata) { |
| printf("No memory for file %s\n", fname); |
| exit(0); |
| } |
| *read_sz = fread(fdata, 1, filesize, f); |
| if (ferror(f)) { |
| printf("Error reading file %s\n", fname); |
| exit(0); |
| } |
| fclose(f); |
| return fdata; |
| } |
| |
| void DrawGUI(){ |
| begin_draw(); |
| sys_create_window(10, 40, (IMG_W+NEW_IMG_W)+50, IMG_H+50, "Libimg", sys_color_table.work_area, 0x34); |
| img_draw(image_blend, 10, 10, IMG_W*2, IMG_H , 0, 0); // Draw blended image to window |
| end_draw(); |
| } |
| |
| int main(){ |
| if (kolibri_libimg_init() == -1){ |
| printf("Error loading lib_img.obj\n"); |
| exit(0); |
| } |
| |
| get_system_colors(&sys_color_table); // Get system colors theme |
| |
| uint32_t img_size; |
| void *file_data = load_img("logo.png", &img_size); // Get RAW data and size |
| |
| Image* image = img_decode(file_data, img_size, 0); // Decode RAW data to Image data |
| |
| if (image->Type != IMAGE_BPP32) { |
| image = img_convert(image, NULL, IMAGE_BPP32, 0, 0); // Convert image to format BPP32 |
| if (!image) { |
| printf("Сonvert error!: \n"); |
| exit(0); |
| } |
| } |
| |
| image_blend = img_create(IMG_W+NEW_IMG_W, IMG_H, IMAGE_BPP32); // Create an empty layer |
| img_fill_color(image_blend, IMG_W+NEW_IMG_W, IMG_H, sys_color_table.work_area); // Fill the layer with one color |
| img_blend(image_blend, image, 0, 0, 0, 0, IMG_W, IMG_H); // Blending images to display the alpha channel. |
| /* Reduce image size from 256x256 to 128x128 */ |
| image = img_scale(image, 0, 0, IMG_W, IMG_H, NULL, LIBIMG_SCALE_STRETCH , LIBIMG_INTER_BILINEAR, NEW_IMG_W, NEW_IMG_H); |
| img_blend(image_blend, image, 256, 0, 0, 0, NEW_IMG_W, NEW_IMG_H); |
| img_destroy(image); // Destroy image structure |
| free(file_data); // Free allocated file_data buffer |
| |
| set_wanted_events_mask(0xC0000027); |
| |
| /* Main event loop */ |
| while (1) { |
| switch(get_os_event()){ |
| case KOLIBRI_EVENT_REDRAW: |
| DrawGUI(); |
| break; |
| case KOLIBRI_EVENT_BUTTON: |
| if (get_os_button() == 1){ |
| return 0; |
| } |
| break; |
| } |
| } |
| return 0; |
| } |
| Property changes: |
|---|
| Added: svn:executable |
|---|
| +* |
|---|
| \ No newline at end of property |
|---|