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#include <stdint.h>
// TODO(kard): consider storing pixels buffer size
typedef struct {
// TODO(kard): define byte order
uint32_t *pixels;
uint32_t width;
uint32_t height;
uint32_t stride;
} sponge_Canvas;
void sponge_clear(sponge_Canvas c, uint32_t color);
void sponge_draw_rect(sponge_Canvas c, uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, uint32_t color);
// TODO(kard): prefix stripping
#ifdef SPONGE_IMPLEMENTATION
void sponge_clear(sponge_Canvas c, uint32_t color) {
sponge_draw_rect(c, 0, 0, c.width - 1, c.height - 1, color);
}
// TODO(kard): probably bounds checking
// TODO(kard): alpha blending maybe
void sponge_draw_rect(sponge_Canvas c, uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, uint32_t color) {
uint32_t *row = c.pixels + (y0 * c.stride);
for (uint32_t y = y0; y <= y1; y++, row += c.stride) {
for (uint32_t x = x0; x <= x1; x++) {
row[x] = color;
}
}
}
#endif // SPONGE_IMPLEMENTATION
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