Function SDL_GetRGB
pub unsafe extern "C" fn SDL_GetRGB(
pixel: u32,
format: *const SDL_PixelFormatDetails,
palette: *const SDL_Palette,
r: *mut u8,
g: *mut u8,
b: *mut u8,
)
Available on crate feature
dep_sdl3
only.Expand description
Get RGB values from a pixel in the specified format.
This function uses the entire 8-bit [0..255] range when converting color components from pixel formats with less than 8-bits per RGB component (e.g., a completely white pixel in 16-bit RGB565 format would return [0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8]).
§Parameters
pixel
: a pixel value.format
: a pointer toSDL_PixelFormatDetails
describing the pixel format.palette
: an optional palette for indexed formats, may be NULL.r
: a pointer filled in with the red component, may be NULL.g
: a pointer filled in with the green component, may be NULL.b
: a pointer filled in with the blue component, may be NULL.
§Thread safety
It is safe to call this function from any thread, as long as the palette is not modified.
§Availability
This function is available since SDL 3.2.0.