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| author | Syndamia <kamen@syndamia.com> | 2026-03-28 21:13:27 +0200 |
|---|---|---|
| committer | Syndamia <kamen@syndamia.com> | 2026-03-28 21:13:27 +0200 |
| commit | 6a63e2c0e1f37c502501e1b611e8dc289476c1f2 (patch) | |
| tree | 6721b5aa27ad7bbb64901eb7e6d9bc84d0a92d6e /FrameRender/P_Checker.c | |
| parent | d31239eeeac4ea595b1d1e7063ab5d762809fb02 (diff) | |
| download | ppm_graphics-6a63e2c0e1f37c502501e1b611e8dc289476c1f2.tar ppm_graphics-6a63e2c0e1f37c502501e1b611e8dc289476c1f2.tar.gz ppm_graphics-6a63e2c0e1f37c502501e1b611e8dc289476c1f2.zip | |
feat: Add Checker, Image, Circle; properly handle transparency
Diffstat (limited to 'FrameRender/P_Checker.c')
| -rw-r--r-- | FrameRender/P_Checker.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/FrameRender/P_Checker.c b/FrameRender/P_Checker.c new file mode 100644 index 0000000..74862f0 --- /dev/null +++ b/FrameRender/P_Checker.c @@ -0,0 +1,26 @@ +#include "P_Checker.h" +#include "PixelCallback.h" +#include <stdlib.h> +#include <string.h> + +void Checker_callback(Checker* self, struct PixelContext* fc) { + u32 x = fc->x / self->squareSize; + u32 y = fc->y / self->squareSize; + + if ((x + y) % 2 == 0) { + ARGB_merge(&fc->pixel, self->colorA); + } + else { + ARGB_merge(&fc->pixel, self->colorB); + } +} + +PixelCallback* Checker_setup(Checker obj) { + PixelCallback* pca = malloc(sizeof(struct PixelCallback)); + + pca->callback = (PixelCallback_callback)Checker_callback; + pca->callback_self = malloc(sizeof(obj)); + memcpy(pca->callback_self, &obj, sizeof(obj)); + + return pca; +} |
