forked from KolibriOS/kolibrios
9a24f3f7fb
Add libimg example, update other examples git-svn-id: svn://kolibrios.org@8187 a494cfbc-eb01-0410-851d-a64ba20cac60
87 lines
1.9 KiB
C
Executable File
87 lines
1.9 KiB
C
Executable File
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stddef.h>
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#include <clayer/libimg.h>
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#include <kos32sys1.h>
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struct kolibri_system_colors sys_color_table;
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char path[4096];
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char* picture;
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int x_size = 200, y_size = 150;
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char* load_file_inmem(char* fname, int32_t* read_sz)
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{
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FILE *f = fopen(fname, "rb");
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if (!f) {
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printf("Can't open file: %s\n", fname);
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}
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if (fseek(f, 0, SEEK_END)) {
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printf("Can't SEEK_END file: %s\n", fname);
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}
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int filesize = ftell(f);
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rewind(f);
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char* fdata = malloc(filesize);
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if(!fdata) {
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printf("No memory for file %s\n", fname);
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}
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*read_sz = fread(fdata, 1, filesize, f);
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if (ferror(f)) {
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printf("Error reading file %s\n", fname);
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}
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fclose(f);
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return fdata;
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}
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void draw_window()
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{
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BeginDraw();
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DrawWindow(10, 40, x_size + 50, y_size + 50, "Libimg", sys_color_table.work_area, 0x34);
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// Draw Picture
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draw_bitmap(picture, 10, 10, x_size, y_size);
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EndDraw();
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}
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int main()
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{
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if (kolibri_libimg_init() == -1)
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{
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printf("Error loading lib_img.obj\n");
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}
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// Load Image
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const int icon_rgb_size = x_size * y_size;
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char *image_data,
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*filedata;
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strcpy(path, "kolibrios.jpg"); // Filename
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int32_t read_bytes;
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filedata = load_file_inmem(path, &read_bytes);
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picture = malloc(icon_rgb_size * 3);
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image_data = img_decode(filedata, read_bytes, 0);
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img_to_rgb2(image_data, picture);
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img_destroy(image_data);
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free(filedata);
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// End Load Image
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get_system_colors(&sys_color_table);
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set_event_mask(0xC0000027);
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while (1) {
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switch(get_os_event())
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{
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case KOLIBRI_EVENT_REDRAW:
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draw_window();
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break;
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case KOLIBRI_EVENT_BUTTON:
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if (get_os_button() == 1) exit(0);
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break;
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}
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}
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return 0;
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}
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