kolibrios-fun/programs/develop/ktcc/trunk/samples/clayer/libimg.c

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C
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <clayer/libimg.h>
#include <kos32sys1.h>
struct kolibri_system_colors sys_color_table;
char path[4096];
char* picture;
int x_size = 200, y_size = 150;
char* load_file_inmem(char* fname, int32_t* read_sz)
{
FILE *f = fopen(fname, "rb");
if (!f) {
printf("Can't open file: %s\n", fname);
}
if (fseek(f, 0, SEEK_END)) {
printf("Can't SEEK_END file: %s\n", fname);
}
int filesize = ftell(f);
rewind(f);
char* fdata = malloc(filesize);
if(!fdata) {
printf("No memory for file %s\n", fname);
}
*read_sz = fread(fdata, 1, filesize, f);
if (ferror(f)) {
printf("Error reading file %s\n", fname);
}
fclose(f);
return fdata;
}
void draw_window()
{
BeginDraw();
DrawWindow(10, 40, x_size + 50, y_size + 50, "Libimg", sys_color_table.work_area, 0x34);
// Draw Picture
draw_bitmap(picture, 10, 10, x_size, y_size);
EndDraw();
}
int main()
{
if (kolibri_libimg_init() == -1)
{
printf("Error loading lib_img.obj\n");
}
// Load Image
const int icon_rgb_size = x_size * y_size;
char *image_data,
*filedata;
strcpy(path, "kolibrios.jpg"); // Filename
int32_t read_bytes;
filedata = load_file_inmem(path, &read_bytes);
picture = malloc(icon_rgb_size * 3);
image_data = img_decode(filedata, read_bytes, 0);
img_to_rgb2(image_data, picture);
img_destroy(image_data);
free(filedata);
// End Load Image
get_system_colors(&sys_color_table);
set_event_mask(0xC0000027);
while (1) {
switch(get_os_event())
{
case KOLIBRI_EVENT_REDRAW:
draw_window();
break;
case KOLIBRI_EVENT_BUTTON:
if (get_os_button() == 1) exit(0);
break;
}
}
return 0;
}