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sdlgetrgba.html
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<
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>SDL_GetRGBA<
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>SDL Library Documentation<
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>SDL_GetRGBA<
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>Name<
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>SDL_GetRGBA -- Get RGBA values from a pixel in the specified pixel format.<
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>#include
"SDL.h"
<
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CODE
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CODE
CLASS
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"FUNCDEF"
>void <
B
CLASS
=
"FSFUNC"
>SDL_GetRGBA<
/
B
><
/
CODE
>
(
Uint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a
)
;<
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>Description<
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>Get RGBA component values from a pixel stored in the specified pixel format.<
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><
P
>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
]
)
.<
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>If the surface has no alpha component, the alpha will be returned as 0xff
(
100
% opaque
)
.<
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>See Also<
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><
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"sdlgetrgb.html"
>SDL_GetRGB<
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>,
<
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"sdlmaprgb.html"
>SDL_MapRGB<
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>,
<
A
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"sdlmaprgba.html"
>SDL_MapRGBA<
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>,
<
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"sdlpixelformat.html"
>SDL_PixelFormat<
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