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  4. >SDL_GetRGB</TITLE
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  39. >SDL Library Documentation</TH
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  69. ><A
  70. NAME="SDLGETRGB"
  71. >SDL_GetRGB</A
  72. ></H1
  73. ><DIV
  74. CLASS="REFNAMEDIV"
  75. ><A
  76. NAME="AEN1336"
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  78. ><H2
  79. >Name</H2
  80. >SDL_GetRGB -- Get RGB values from a pixel in the specified pixel format.</DIV
  81. ><DIV
  82. CLASS="REFSYNOPSISDIV"
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  84. NAME="AEN1339"
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  86. ><H2
  87. >Synopsis</H2
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  89. CLASS="FUNCSYNOPSIS"
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  91. NAME="AEN1340"
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  93. ><P
  94. ></P
  95. ><PRE
  96. CLASS="FUNCSYNOPSISINFO"
  97. >#include "SDL.h"</PRE
  98. ><P
  99. ><CODE
  100. ><CODE
  101. CLASS="FUNCDEF"
  102. >void <B
  103. CLASS="FSFUNC"
  104. >SDL_GetRGB</B
  105. ></CODE
  106. >(Uint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b);</CODE
  107. ></P
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  115. NAME="AEN1346"
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  117. ><H2
  118. >Description</H2
  119. ><P
  120. >Get RGB component values from a pixel stored in the specified pixel format.</P
  121. ><P
  122. >This function uses the entire 8-bit [0..255] range when converting color
  123. components from pixel formats with less than 8-bits per RGB component
  124. (e.g., a completely white pixel in 16-bit RGB565 format would return
  125. [0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8]).</P
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  133. >See Also</H2
  134. ><P
  135. ><A
  136. HREF="sdlgetrgba.html"
  137. ><TT
  138. CLASS="FUNCTION"
  139. >SDL_GetRGBA</TT
  140. ></A
  141. >,
  142. <A
  143. HREF="sdlmaprgb.html"
  144. ><TT
  145. CLASS="FUNCTION"
  146. >SDL_MapRGB</TT
  147. ></A
  148. >,
  149. <A
  150. HREF="sdlmaprgba.html"
  151. ><TT
  152. CLASS="FUNCTION"
  153. >SDL_MapRGBA</TT
  154. ></A
  155. >,
  156. <A
  157. HREF="sdlpixelformat.html"
  158. ><SPAN
  159. CLASS="STRUCTNAME"
  160. >SDL_PixelFormat</SPAN
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  204. >SDL_MapRGBA</TD
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