0,0 → 1,98 |
/* Written by turbocat2001 (Logaev Maxim) */ |
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#include <stdio.h> |
#include <stdlib.h> |
#include <stddef.h> |
#include <kolibri_libimg.h> |
#include <kos32sys.h> |
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#define NEW_IMG_H 128 |
#define NEW_IMG_W 128 |
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#define IMG_H 256 |
#define IMG_W 256 |
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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 |
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; |
} |
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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(); |
} |
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int main(){ |
if (kolibri_libimg_init() == -1){ |
printf("Error loading lib_img.obj\n"); |
exit(0); |
} |
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get_system_colors(&sys_color_table); // Get system colors theme |
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uint32_t img_size; |
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) { |
image = img_convert(image, NULL, IMAGE_BPP32, 0, 0); // Convert image to format BPP32 |
if (!image) { |
printf("Сonvert error!: \n"); |
exit(0); |
} |
} |
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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 |
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set_wanted_events_mask(0xC0000027); |
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/* 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 |