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Diffstat (limited to '')
| -rw-r--r-- | gfx/brot.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gfx/brot.c b/gfx/brot.c index 64efde4b..69f11e59 100644 --- a/gfx/brot.c +++ b/gfx/brot.c @@ -28,8 +28,12 @@ #include "gfx.h" -#define RGB(r, g, b) ((uint32_t)(r) << 16 | (uint32_t)(g) << 8 | (uint32_t)(b)) -#define GRAY(n) RGB(n, n, n) +static uint32_t rgb(uint8_t r, uint8_t g, uint8_t b) { + return (uint32_t)r << 16 | (uint32_t)g << 8 | (uint32_t)b; +} +static uint32_t gray(uint8_t n) { + return rgb(n, n, n); +} static double absSq(double complex z) { return creal(z) * creal(z) + cimag(z) * cimag(z); @@ -70,7 +74,7 @@ static void sample(uint32_t *buf, size_t width, size_t height) { static void color(uint32_t *buf, size_t width, size_t height) { for (size_t i = 0; i < width * height; ++i) { - buf[i] = GRAY(255 * buf[i] / samples / samples / depth); + buf[i] = gray(255 * buf[i] / samples / samples / depth); } } |