Lines Matching full:colormap
240 that is, colormap[i][j] is the value of the i'th color component for pixel
241 value (map index) j. Note that since the colormap indexes are stored in
629 scaling, are available in the JPEG object; so is the selected colormap, if
636 colormap the selected colormap, if any
637 actual_number_of_colors number of entries in colormap
639 output_components is 1 (a colormap index) when quantizing colors; otherwise it
1097 fits-all colormap that is used otherwise. Default is TRUE. Ignored
1106 only in the single-pass, standard-colormap case. If you ask for
1111 two fields. colormap is set to NULL by jpeg_read_header(). The application
1112 can supply a color map by setting colormap non-NULL and setting
1115 [Implementation restriction: at present, an externally supplied colormap is
1118 JSAMPARRAY colormap
1121 CAUTION: if the JPEG library creates its own colormap, the storage
1123 Copy the colormap somewhere else first, if you want to save it.
1251 jquant2.c is used to map to an application-supplied colormap as well as for
1252 the normal two-pass colormap selection process.
2039 Selected by cinfo.two_pass_quantize = FALSE and cinfo.colormap = NULL.
2040 2. Single-pass quantization to an application-supplied colormap.
2041 Selected by setting cinfo.colormap to point to the colormap (the value of
2043 3. Two-pass quantization to a colormap chosen specifically for the image.
2044 Selected by cinfo.two_pass_quantize = TRUE and cinfo.colormap = NULL.
2055 enable_1pass_quant Fixed color cube colormap
2056 enable_external_quant Externally-supplied colormap
2057 enable_2pass_quant Two-pass custom colormap
2060 current two_pass_quantize and colormap settings, so you only need to set the
2065 and colormap properly just before calling jpeg_start_output(). The following
2067 1. You must explicitly set cinfo.colormap to NULL when switching to 1-pass
2069 quantizer to be re-run to generate a new colormap.
2070 2. To switch to an external colormap, or to change to a different external
2071 colormap than was used on the prior pass, you must call
2072 jpeg_new_colormap() after setting cinfo.colormap.
2073 NOTE: if you want to use the same colormap as was used in the prior pass,
2076 (These requirements exist because cinfo.colormap will always be non-NULL
2083 Note that in buffered-image mode, the library generates any requested colormap