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GLCOPYCOLORSUBTABLE(3G)		 OpenGL Manual	       GLCOPYCOLORSUBTABLE(3G)

NAME
       glCopyColorSubTable - respecify a portion of a color table

C SPECIFICATION
       void glCopyColorSubTable(GLenum target, GLsizei start, GLint x,
				GLint y, GLsizei width);

PARAMETERS
       target
	   Must be one of GL_COLOR_TABLE, GL_POST_CONVOLUTION_COLOR_TABLE, or
	   GL_POST_COLOR_MATRIX_COLOR_TABLE.

       start
	   The starting index of the portion of the color table to be
	   replaced.

       x, y
	   The window coordinates of the left corner of the row of pixels to
	   be copied.

       width
	   The number of table entries to replace.

DESCRIPTION
       glCopyColorSubTable is used to respecify a contiguous portion of a
       color table previously defined using glColorTable(). The pixels copied
       from the framebuffer replace the portion of the existing table from
       indices start to start + x - 1, inclusive. This region may not include
       any entries outside the range of the color table, as was originally
       specified. It is not an error to specify a subtexture with width of 0,
       but such a specification has no effect.

NOTES
       glCopyColorSubTable is present only if ARB_imaging is returned when
       glGetString() is called with an argument of GL_EXTENSIONS.

ERRORS
       GL_INVALID_VALUE is generated if target is not a previously defined
       color table.

       GL_INVALID_VALUE is generated if target is not one of the allowable
       values.

       GL_INVALID_VALUE is generated if start + x > width.

       GL_INVALID_OPERATION is generated if glCopyColorSubTable is executed
       between the execution of glBegin() and the corresponding execution of
       glEnd().

ASSOCIATED GETS
       glGetColorTable(), glGetColorTableParameter()

SEE ALSO
       glColorSubTable(), glColorTableParameter(), glCopyColorTable(),
       glCopyColorSubTable, glGetColorTable()

COPYRIGHT
       Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed
       under the SGI Free Software B License. For details, see
       http://oss.sgi.com/projects/FreeB/.

AUTHORS
       opengl.org

opengl.org			  03/16/2013	       GLCOPYCOLORSUBTABLE(3G)

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