From 74fd0e7ca4faaa428c248a9ae714e2e7371e6ed4 Mon Sep 17 00:00:00 2001 From: Ray Date: Tue, 3 Jul 2018 00:57:58 +0200 Subject: Added function: ImageColorReplace() --- src/raylib.h | 1 + src/textures.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) (limited to 'src') diff --git a/src/raylib.h b/src/raylib.h index 96bf2443..43000318 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -937,6 +937,7 @@ RLAPI void ImageColorInvert(Image *image); RLAPI void ImageColorGrayscale(Image *image); // Modify image color: grayscale RLAPI void ImageColorContrast(Image *image, float contrast); // Modify image color: contrast (-100 to 100) RLAPI void ImageColorBrightness(Image *image, int brightness); // Modify image color: brightness (-255 to 255) +RLAPI void ImageColorReplace(Image *image, Color color, Color replace); // Modify image color: replace color // Image generation functions RLAPI Image GenImageColor(int width, int height, Color color); // Generate image: plain color diff --git a/src/textures.c b/src/textures.c index 81bbbf3c..f2dc7ca3 100644 --- a/src/textures.c +++ b/src/textures.c @@ -1901,6 +1901,36 @@ void ImageColorBrightness(Image *image, int brightness) image->data = processed.data; } + +// Modify image color: replace color +void ImageColorReplace(Image *image, Color color, Color replace) +{ + Color *pixels = GetImageData(*image); + + for (int y = 0; y < image->height; y++) + { + for (int x = 0; x < image->width; x++) + { + if ((pixels[y*image->width + x].r == color.r) && + (pixels[y*image->width + x].g == color.g) && + (pixels[y*image->width + x].b == color.b) && + (pixels[y*image->width + x].a == color.a)) + { + pixels[y*image->width + x].r = replace.r; + pixels[y*image->width + x].g = replace.g; + pixels[y*image->width + x].b = replace.b; + pixels[y*image->width + x].a = replace.a; + } + } + } + + Image processed = LoadImageEx(pixels, image->width, image->height); + ImageFormat(&processed, image->format); + UnloadImage(*image); + free(pixels); + + image->data = processed.data; +} #endif // SUPPORT_IMAGE_MANIPULATION #if defined(SUPPORT_IMAGE_GENERATION) -- cgit v1.2.3