Method SDL.PixelFormat()->map_rgba()
- Method map_rgba
int map_rgba(int r, int g, int b, int a)
int map_rgba(Image.Color.Color color, int a)- Description
Maps the RGBA color value to the specified pixel format and returns the pixel value as an integer.
If the format has a palette (8-bit) the index of the closest matching color in the palette will be returned.
If the pixel format has an alpha component it will be returned as all 1 bits (fully opaque).
- Parameter r
- Parameter g
- Parameter b
- Parameter a
The red, green and blue components specified as an integer between 0 and 255.
- Parameter color
The color as represented by an Image.Color.Color object.
- Returns
A pixel value best approximating the given RGB color value for a given pixel format.
- See also