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

SDL_AllocPalette

Create a palette structure with the specified number of color entries.

Syntax

SDL_Palette* SDL_AllocPalette(int ncolors);

Function Parameters

ncolors represents the number of color entries in the color palette

Return Value

Returns a new SDL_Palette structure on success or NULL on failure (e.g. if there wasn't enough memory); call SDL_GetError() for more information.

Remarks

The palette entries are initialized to white.

Version

This function is available since SDL 2.0.0.

Example

SDL_Palette* palette = nullptr;

...

SDL_Init(SDL_EVERYTHING);

// Create new palette with 4 colors

palette = SDL_AllocPalette(4);

if (palette == nullptr) printf( "Error: %s\n", SDL_GetError() );

...

// Set green and blue of the first color in the palette to 0

palette->colors[0].g = 0;
palette->colors[0].b = 0;

// Set render draw color to red

SDL_SetRenderDrawColor(renderer, palette->colors[0].r, palette->colors[0].g, palette->colors.b, palette->colors[0].a);

...

SDL_FreePalette(palette);
palette = nullptr;

CategoryAPI


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