diff options
Diffstat (limited to 'src/textures.c')
| -rw-r--r-- | src/textures.c | 145 |
1 files changed, 131 insertions, 14 deletions
diff --git a/src/textures.c b/src/textures.c index d2b2de1d..176ed2d7 100644 --- a/src/textures.c +++ b/src/textures.c @@ -280,7 +280,7 @@ Texture2D LoadTextureFromImage(Image image, bool genMipmaps) texture.format = 0; texture.id = rlglLoadTexture(image.data, image.width, image.height, image.format, image.mipmaps, false); - + texture.width = image.width; texture.height = image.height; texture.mipmaps = image.mipmaps; @@ -439,24 +439,141 @@ Color *GetPixelData(Image image) } // Fill image data with pixels Color data (RGBA - 32bit) -// NOTE: Pixels color array size must be coherent with image size -// TODO: Review to support different color modes (TextureFormat) -void SetPixelData(Image *image, Color *pixels, int format) +// NOTE: Data is transformed to desired format +Image LoadImageFromData(Color *pixels, int width, int height, int format) { - free(image->data); - image->data = (unsigned char *)malloc(image->width*image->height*4*sizeof(unsigned char)); - + Image image; + image.data = NULL; + image.width = width; + image.height = height; + image.mipmaps = 1; + image.format = format; + int k = 0; - for (int i = 0; i < image->width*image->height*4; i += 4) + switch (format) { - ((unsigned char *)image->data)[i] = pixels[k].r; - ((unsigned char *)image->data)[i + 1] = pixels[k].g; - ((unsigned char *)image->data)[i + 2] = pixels[k].b; - ((unsigned char *)image->data)[i + 3] = pixels[k].a; - - k++; + case UNCOMPRESSED_GRAYSCALE: + { + image.data = (unsigned char *)malloc(image.width*image.height*sizeof(unsigned char)); + + for (int i = 0; i < image.width*image.height; i++) + { + ((unsigned char *)image.data)[i] = (unsigned char)((float)pixels[k].r*0.299f + (float)pixels[k].g*0.587f + (float)pixels[k].b*0.114f); + k++; + } + + } break; + case UNCOMPRESSED_GRAY_ALPHA: + { + image.data = (unsigned char *)malloc(image.width*image.height*2*sizeof(unsigned char)); + + for (int i = 0; i < image.width*image.height*2; i += 2) + { + ((unsigned char *)image.data)[i] = (unsigned char)((float)pixels[k].r*0.299f + (float)pixels[k].g*0.587f + (float)pixels[k].b*0.114f); + ((unsigned char *)image.data)[i + 1] = pixels[k].a; + k++; + } + + } break; + case UNCOMPRESSED_R5G6B5: + { + image.data = (unsigned short *)malloc(image.width*image.height*sizeof(unsigned short)); + + unsigned char r; + unsigned char g; + unsigned char b; + + for (int i = 0; i < image.width*image.height; i++) + { + r = (unsigned char)(round((float)pixels[k].r*31/255)); + g = (unsigned char)(round((float)pixels[k].g*63/255)); + b = (unsigned char)(round((float)pixels[k].b*31/255)); + + ((unsigned short *)image.data)[i] = (unsigned short)r << 11 | (unsigned short)g << 5 | (unsigned short)b; + + k++; + } + + } break; + case UNCOMPRESSED_R8G8B8: + { + image.data = (unsigned char *)malloc(image.width*image.height*3*sizeof(unsigned char)); + + for (int i = 0; i < image.width*image.height*3; i += 3) + { + ((unsigned char *)image.data)[i] = pixels[k].r; + ((unsigned char *)image.data)[i + 1] = pixels[k].g; + ((unsigned char *)image.data)[i + 2] = pixels[k].b; + k++; + } + } break; + case UNCOMPRESSED_R5G5B5A1: + { + image.data = (unsigned short *)malloc(image.width*image.height*sizeof(unsigned short)); + + unsigned char r; + unsigned char g; + unsigned char b; + unsigned char a = 1; + + for (int i = 0; i < image.width*image.height; i++) + { + r = (unsigned char)(round((float)pixels[k].r*31/255)); + g = (unsigned char)(round((float)pixels[k].g*31/255)); + b = (unsigned char)(round((float)pixels[k].b*31/255)); + a = (pixels[k].a > 50) ? 1 : 0; + + ((unsigned short *)image.data)[i] = (unsigned short)r << 11 | (unsigned short)g << 6 | (unsigned short)b << 1| (unsigned short)a; + + k++; + } + + } break; + case UNCOMPRESSED_R4G4B4A4: + { + image.data = (unsigned short *)malloc(image.width*image.height*sizeof(unsigned short)); + + unsigned char r; + unsigned char g; + unsigned char b; + unsigned char a; + + for (int i = 0; i < image.width*image.height; i++) + { + r = (unsigned char)(round((float)pixels[k].r*15/255)); + g = (unsigned char)(round((float)pixels[k].g*15/255)); + b = (unsigned char)(round((float)pixels[k].b*15/255)); + a = (unsigned char)(round((float)pixels[k].a*15/255)); + + ((unsigned short *)image.data)[i] = (unsigned short)r << 12 | (unsigned short)g << 8| (unsigned short)b << 4| (unsigned short)a; + + k++; + } + + } break; + case UNCOMPRESSED_R8G8B8A8: + { + image.data = (unsigned char *)malloc(image.width*image.height*4*sizeof(unsigned char)); + + for (int i = 0; i < image.width*image.height*4; i += 4) + { + ((unsigned char *)image.data)[i] = pixels[k].r; + ((unsigned char *)image.data)[i + 1] = pixels[k].g; + ((unsigned char *)image.data)[i + 2] = pixels[k].b; + ((unsigned char *)image.data)[i + 3] = pixels[k].a; + k++; + } + } break; + default: + { + TraceLog(WARNING, "Format not recognized, image could not be loaded"); + + return image; + } break; } + + return image; } // Draw a Texture2D |