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Diffstat (limited to 'distrib/sdl-1.2.15/docs/man3/SDL_GetRGBA.3')
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diff --git a/distrib/sdl-1.2.15/docs/man3/SDL_GetRGBA.3 b/distrib/sdl-1.2.15/docs/man3/SDL_GetRGBA.3 new file mode 100644 index 0000000..eba9dfb --- /dev/null +++ b/distrib/sdl-1.2.15/docs/man3/SDL_GetRGBA.3 @@ -0,0 +1,19 @@ +.TH "SDL_GetRGBA" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" +.SH "NAME" +SDL_GetRGBA \- Get RGBA values from a pixel in the specified pixel format\&. +.SH "SYNOPSIS" +.PP +\fB#include "SDL\&.h" +.sp +\fBvoid \fBSDL_GetRGBA\fP\fR(\fBUint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a\fR); +.SH "DESCRIPTION" +.PP +Get RGBA component values from a pixel stored in the specified pixel format\&. +.PP +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])\&. +.PP +If the surface has no alpha component, the alpha will be returned as 0xff (100% opaque)\&. +.SH "SEE ALSO" +.PP +\fISDL_GetRGB\fR, \fISDL_MapRGB\fR, \fISDL_MapRGBA\fR, \fISDL_PixelFormat\fR +.\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01 |