GNU/Linux man pages
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Syntaxe et mise en oeuvre :
GNU/Linux |
CentOS 5.3 |
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glColorSubTable(3gl) |
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glColorSubTable − respecify a portion of a color table
void glColorSubTable( GLenum target,
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GLsizei start, | |
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GLsizei count, | |
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GLenum format, | |
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GLenum type, | |
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const GLvoid *data ) |
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target |
Must be one of GL_COLOR_TABLE, GL_POST_CONVOLUTION_COLOR_TABLE, or GL_POST_COLOR_MATRIX_COLOR_TABLE. | ||
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start |
The starting index of the portion of the color table to be replaced. | ||
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count |
The number of table entries to replace. | ||
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format |
The of the pixel data in data. The allowable values are GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_RGB, GL_BGR, GL_RGBA, and GL_BGRA. | ||
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type |
The type of the pixel data in data. The allowable values are GL_UNSIGNED_BYTE, GL_BYTE, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, and GL_UNSIGNED_INT_2_10_10_10_REV. | ||
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data |
Pointer to a one-dimensional array of pixel data that is processed to replace the specified region of the color table. |
glColorSubTable is used to respecify a contiguous portion of a color table previously defined using glColorTable. The pixels referenced by data replace the portion of the existing table from indices start to $"start"~+~"count"~-~1$, inclusive. This region may not include any entries outside the range of the color table as it was originally specified. It is not an error to specify a subtexture with width of 0, but such a specification has no effect.
glColorSubTable is present only if GL_ARB_imaging is returned when glGetString is called with an argument of GL_EXTENSIONS.
GL_INVALID_ENUM is generated if target is not one of the allowable values.
GL_INVALID_VALUE is generated if $"start"~+~"count"~>~width$.
GL_INVALID_ENUM is generated if format is not one of the allowable values.
GL_INVALID_ENUM is generated if type is not one of the allowable values.
GL_INVALID_OPERATION is generated if glColorSubTable is executed between the execution of glBegin and the corresponding execution of glEnd.
glGetColorTable, glGetColorTableParameter
glColorSubTable(3G), glColorTableParameter(3G), glCopyColorTable(3G), glCopyColorSubTable(3G), glGetColorTable(3G)
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glColorSubTable(3gl) | |