54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* Example program that links against the waymini library.
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* No external dependencies beyond waymini itself and the C standard library.
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*/
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#include "waymini.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static void on_key(void *user, uint32_t keycode, uint32_t state) {
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(void)user;
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const char *label = state ? "down" : "up ";
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printf("key %s: %u\n", label, keycode);
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fflush(stdout);
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}
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int main(void) {
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uint32_t w = 320, h = 200;
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struct waymini *wm = waymini_create(w, h, on_key, NULL);
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if (!wm) return 1;
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printf("surface: %ux%u stride=%u\n",
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waymini_get_width(wm), waymini_get_height(wm), waymini_get_stride(wm));
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uint8_t *pixels = (uint8_t *)waymini_get_pixels(wm);
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if (!pixels) {
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waymini_destroy(wm);
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return 1;
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}
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/* Fill a simple gradient. Each row is stride bytes. */
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for (uint32_t y = 0; y < h; y++) {
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for (uint32_t x = 0; x < w; x++) {
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size_t i = (size_t)y * waymini_get_stride(wm) + (size_t)x * 4;
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pixels[i + 0] = 0x20; /* B */
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pixels[i + 1] = (uint8_t)(y * 255 / h); /* G */
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pixels[i + 2] = (uint8_t)(x * 255 / w); /* R */
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pixels[i + 3] = 0xff; /* A (ignored for XRGB) */
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}
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}
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waymini_present(wm);
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while (!waymini_should_close(wm)) {
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if (waymini_dispatch(wm) < 0) break;
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}
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waymini_destroy(wm);
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return 0;
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}
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