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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 8545 | superturbo | 1 | /* Written by turbocat2001 (Logaev Maxim) */ |
| 2 | |||
| 3 | #include |
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| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 7 | #include |
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| 8 | |||
| 9 | #define NEW_IMG_H 128 |
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| 10 | #define NEW_IMG_W 128 |
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| 11 | |||
| 12 | #define IMG_H 256 |
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| 13 | #define IMG_W 256 |
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| 14 | |||
| 15 | Image *image_blend; // Create image struct |
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| 16 | |||
| 17 | struct kolibri_system_colors sys_color_table; // Create system colors table |
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| 18 | |||
| 19 | char* load_img(char* fname, int32_t* read_sz){ // Image file upload function |
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| 20 | FILE *f = fopen(fname, "rb"); |
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| 21 | if (!f) { |
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| 22 | printf("Can't open file: %s\n", fname); |
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| 23 | exit(0); |
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| 24 | } |
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| 25 | if (fseek(f, 0, SEEK_END)) { |
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| 26 | printf("Can't SEEK_END file: %s\n", fname); |
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| 27 | exit(0); |
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| 28 | } |
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| 29 | int filesize = ftell(f); |
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| 30 | rewind(f); |
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| 31 | char* fdata = malloc(filesize); |
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| 32 | if(!fdata) { |
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| 33 | printf("No memory for file %s\n", fname); |
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| 34 | exit(0); |
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| 35 | } |
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| 36 | *read_sz = fread(fdata, 1, filesize, f); |
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| 37 | if (ferror(f)) { |
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| 38 | printf("Error reading file %s\n", fname); |
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| 39 | exit(0); |
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| 40 | } |
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| 41 | fclose(f); |
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| 42 | return fdata; |
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| 43 | } |
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| 44 | |||
| 45 | void DrawGUI(){ |
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| 46 | begin_draw(); |
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| 47 | sys_create_window(10, 40, (IMG_W+NEW_IMG_W)+50, IMG_H+50, "Libimg", sys_color_table.work_area, 0x34); |
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| 48 | img_draw(image_blend, 10, 10, IMG_W*2, IMG_H , 0, 0); // Draw blended image to window |
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| 49 | end_draw(); |
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| 50 | } |
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| 51 | |||
| 52 | int main(){ |
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| 53 | if (kolibri_libimg_init() == -1){ |
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| 54 | printf("Error loading lib_img.obj\n"); |
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| 55 | exit(0); |
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| 56 | } |
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| 57 | |||
| 58 | get_system_colors(&sys_color_table); // Get system colors theme |
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| 59 | |||
| 60 | uint32_t img_size; |
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| 61 | void *file_data = load_img("logo.png", &img_size); // Get RAW data and size |
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| 62 | |||
| 63 | Image* image = img_decode(file_data, img_size, 0); // Decode RAW data to Image data |
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| 64 | |||
| 65 | if (image->Type != IMAGE_BPP32) { |
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| 66 | image = img_convert(image, NULL, IMAGE_BPP32, 0, 0); // Convert image to format BPP32 |
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| 67 | if (!image) { |
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| 68 | printf("Сonvert error!: \n"); |
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| 69 | exit(0); |
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| 70 | } |
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| 71 | } |
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| 72 | |||
| 73 | image_blend = img_create(IMG_W+NEW_IMG_W, IMG_H, IMAGE_BPP32); // Create an empty layer |
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| 74 | 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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| 75 | img_blend(image_blend, image, 0, 0, 0, 0, IMG_W, IMG_H); // Blending images to display the alpha channel. |
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| 76 | /* Reduce image size from 256x256 to 128x128 */ |
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| 77 | 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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| 78 | img_blend(image_blend, image, 256, 0, 0, 0, NEW_IMG_W, NEW_IMG_H); |
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| 79 | img_destroy(image); // Destroy image structure |
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| 80 | free(file_data); // Free allocated file_data buffer |
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| 81 | |||
| 82 | set_wanted_events_mask(0xC0000027); |
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| 83 | |||
| 84 | /* Main event loop */ |
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| 85 | while (1) { |
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| 86 | switch(get_os_event()){ |
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| 87 | case KOLIBRI_EVENT_REDRAW: |
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| 88 | DrawGUI(); |
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| 89 | break; |
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| 90 | case KOLIBRI_EVENT_BUTTON: |
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| 91 | if (get_os_button() == 1){ |
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| 92 | return 0; |
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| 93 | } |
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| 94 | break; |
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| 95 | } |
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| 96 | } |
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| 97 | return 0; |
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| 98 | } |