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Rev | Author | Line No. | Line |
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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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8581 | rgimad | 6 | #include |
7 | #include |
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8545 | superturbo | 8 | #include |
9 | |||
10 | #define NEW_IMG_H 128 |
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11 | #define NEW_IMG_W 128 |
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12 | |||
13 | #define IMG_H 256 |
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14 | #define IMG_W 256 |
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15 | |||
16 | Image *image_blend; // Create image struct |
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17 | |||
18 | struct kolibri_system_colors sys_color_table; // Create system colors table |
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19 | |||
20 | char* load_img(char* fname, int32_t* read_sz){ // Image file upload function |
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21 | FILE *f = fopen(fname, "rb"); |
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22 | if (!f) { |
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23 | printf("Can't open file: %s\n", fname); |
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24 | exit(0); |
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25 | } |
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26 | if (fseek(f, 0, SEEK_END)) { |
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27 | printf("Can't SEEK_END file: %s\n", fname); |
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28 | exit(0); |
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29 | } |
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30 | int filesize = ftell(f); |
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31 | rewind(f); |
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32 | char* fdata = malloc(filesize); |
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33 | if(!fdata) { |
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34 | printf("No memory for file %s\n", fname); |
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35 | exit(0); |
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36 | } |
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37 | *read_sz = fread(fdata, 1, filesize, f); |
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38 | if (ferror(f)) { |
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39 | printf("Error reading file %s\n", fname); |
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40 | exit(0); |
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41 | } |
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42 | fclose(f); |
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43 | return fdata; |
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44 | } |
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45 | |||
46 | void DrawGUI(){ |
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47 | begin_draw(); |
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48 | 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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49 | img_draw(image_blend, 10, 10, IMG_W*2, IMG_H , 0, 0); // Draw blended image to window |
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50 | end_draw(); |
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51 | } |
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52 | |||
53 | int main(){ |
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54 | if (kolibri_libimg_init() == -1){ |
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55 | printf("Error loading lib_img.obj\n"); |
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56 | exit(0); |
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57 | } |
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58 | |||
59 | get_system_colors(&sys_color_table); // Get system colors theme |
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60 | |||
61 | uint32_t img_size; |
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62 | void *file_data = load_img("logo.png", &img_size); // Get RAW data and size |
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63 | |||
64 | Image* image = img_decode(file_data, img_size, 0); // Decode RAW data to Image data |
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65 | |||
66 | if (image->Type != IMAGE_BPP32) { |
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67 | image = img_convert(image, NULL, IMAGE_BPP32, 0, 0); // Convert image to format BPP32 |
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68 | if (!image) { |
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69 | printf("Сonvert error!: \n"); |
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70 | exit(0); |
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71 | } |
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72 | } |
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73 | |||
74 | image_blend = img_create(IMG_W+NEW_IMG_W, IMG_H, IMAGE_BPP32); // Create an empty layer |
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75 | 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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76 | img_blend(image_blend, image, 0, 0, 0, 0, IMG_W, IMG_H); // Blending images to display the alpha channel. |
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77 | /* Reduce image size from 256x256 to 128x128 */ |
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78 | 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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79 | img_blend(image_blend, image, 256, 0, 0, 0, NEW_IMG_W, NEW_IMG_H); |
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80 | img_destroy(image); // Destroy image structure |
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81 | free(file_data); // Free allocated file_data buffer |
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82 | |||
83 | set_wanted_events_mask(0xC0000027); |
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84 | |||
85 | /* Main event loop */ |
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86 | while (1) { |
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87 | switch(get_os_event()){ |
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88 | case KOLIBRI_EVENT_REDRAW: |
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89 | DrawGUI(); |
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90 | break; |
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91 | case KOLIBRI_EVENT_BUTTON: |
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92 | if (get_os_button() == 1){ |
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93 | return 0; |
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94 | } |
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95 | break; |
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96 | } |
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97 | } |
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98 | return 0; |
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99 | } |