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73NAME="SDLGETRGBA"
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75>SDL_GetRGBA</H1
76><DIV
77CLASS="REFNAMEDIV"
78><A
79NAME="AEN1747"
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81><H2
82>Name</H2
83>SDL_GetRGBA&nbsp;--&nbsp;Get RGBA values from a pixel in the specified pixel format.</DIV
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90>Synopsis</H2
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96><P
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98><PRE
99CLASS="FUNCSYNOPSISINFO"
100>#include "SDL.h"</PRE
101><P
102><CODE
103><CODE
104CLASS="FUNCDEF"
105>void <B
106CLASS="FSFUNC"
107>SDL_GetRGBA</B
108></CODE
109>(Uint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a);</CODE
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120><H2
121>Description</H2
122><P
123>Get RGBA component values from a pixel stored in the specified pixel format.</P
124><P
125>This function uses the entire 8-bit [0..255] range when converting color
126components from pixel formats with less than 8-bits per RGB component
127(e.g., a completely white pixel in 16-bit RGB565 format would return
128[0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8]).</P
129><P
130>If the surface has no alpha component, the alpha will be returned as 0xff
131(100% opaque).</P
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139>See Also</H2
140><P
141><A
142HREF="sdlgetrgb.html"
143>SDL_GetRGB</A
144>,
145<A
146HREF="sdlmaprgb.html"
147>SDL_MapRGB</A
148>,
149<A
150HREF="sdlmaprgba.html"
151>SDL_MapRGBA</A
152>,
153<A
154HREF="sdlpixelformat.html"
155>SDL_PixelFormat</A
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