(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_BlendFactor

The normalized factor used to multiply pixel components

Header File

Defined in SDL_blendmode.h

Syntax

typedef enum SDL_BlendFactor
{
    SDL_BLENDFACTOR_ZERO                = 0x1,  /**< 0, 0, 0, 0 */
    SDL_BLENDFACTOR_ONE                 = 0x2,  /**< 1, 1, 1, 1 */
    SDL_BLENDFACTOR_SRC_COLOR           = 0x3,  /**< srcR, srcG, srcB, srcA */
    SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR = 0x4,  /**< 1-srcR, 1-srcG, 1-srcB, 1-srcA */
    SDL_BLENDFACTOR_SRC_ALPHA           = 0x5,  /**< srcA, srcA, srcA, srcA */
    SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA = 0x6,  /**< 1-srcA, 1-srcA, 1-srcA, 1-srcA */
    SDL_BLENDFACTOR_DST_COLOR           = 0x7,  /**< dstR, dstG, dstB, dstA */
    SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR = 0x8,  /**< 1-dstR, 1-dstG, 1-dstB, 1-dstA */
    SDL_BLENDFACTOR_DST_ALPHA           = 0x9,  /**< dstA, dstA, dstA, dstA */
    SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA = 0xA   /**< 1-dstA, 1-dstA, 1-dstA, 1-dstA */
} SDL_BlendFactor;

---

CategoryAPI, CategoryAPIEnum, CategoryBlendmode

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