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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Misc data definitions used by the convert.c code module. Moved
out here simply to unclutter convert.c, mostly. */
#ifndef __GIMP_IMAGE_CONVERT_DATA_H__
#define __GIMP_IMAGE_CONVERT_DATA_H__
#include <glib.h>
/* 'web safe' palette. */
static const guchar webpal[] =
{
255,255,255,255,255,204,255,255,153,255,255,102,255,255,51,255,255,0,255,
204,255,255,204,204,255,204,153,255,204,102,255,204,51,255,204,0,255,153,
255,255,153,204,255,153,153,255,153,102,255,153,51,255,153,0,255,102,255,
255,102,204,255,102,153,255,102,102,255,102,51,255,102,0,255,51,255,255,
51,204,255,51,153,255,51,102,255,51,51,255,51,0,255,0,255,255,0,
204,255,0,153,255,0,102,255,0,51,255,0,0,204,255,255,204,255,204,
204,255,153,204,255,102,204,255,51,204,255,0,204,204,255,204,204,204,204,
204,153,204,204,102,204,204,51,204,204,0,204,153,255,204,153,204,204,153,
153,204,153,102,204,153,51,204,153,0,204,102,255,204,102,204,204,102,153,
204,102,102,204,102,51,204,102,0,204,51,255,204,51,204,204,51,153,204,
51,102,204,51,51,204,51,0,204,0,255,204,0,204,204,0,153,204,0,
102,204,0,51,204,0,0,153,255,255,153,255,204,153,255,153,153,255,102,
153,255,51,153,255,0,153,204,255,153,204,204,153,204,153,153,204,102,153,
204,51,153,204,0,153,153,255,153,153,204,153,153,153,153,153,102,153,153,
51,153,153,0,153,102,255,153,102,204,153,102,153,153,102,102,153,102,51,
153,102,0,153,51,255,153,51,204,153,51,153,153,51,102,153,51,51,153,
51,0,153,0,255,153,0,204,153,0,153,153,0,102,153,0,51,153,0,
0,102,255,255,102,255,204,102,255,153,102,255,102,102,255,51,102,255,0,
102,204,255,102,204,204,102,204,153,102,204,102,102,204,51,102,204,0,102,
153,255,102,153,204,102,153,153,102,153,102,102,153,51,102,153,0,102,102,
255,102,102,204,102,102,153,102,102,102,102,102,51,102,102,0,102,51,255,
102,51,204,102,51,153,102,51,102,102,51,51,102,51,0,102,0,255,102,
0,204,102,0,153,102,0,102,102,0,51,102,0,0,51,255,255,51,255,
204,51,255,153,51,255,102,51,255,51,51,255,0,51,204,255,51,204,204,
51,204,153,51,204,102,51,204,51,51,204,0,51,153,255,51,153,204,51,
153,153,51,153,102,51,153,51,51,153,0,51,102,255,51,102,204,51,102,
153,51,102,102,51,102,51,51,102,0,51,51,255,51,51,204,51,51,153,
51,51,102,51,51,51,51,51,0,51,0,255,51,0,204,51,0,153,51,
0,102,51,0,51,51,0,0,0,255,255,0,255,204,0,255,153,0,255,
102,0,255,51,0,255,0,0,204,255,0,204,204,0,204,153,0,204,102,
0,204,51,0,204,0,0,153,255,0,153,204,0,153,153,0,153,102,0,
153,51,0,153,0,0,102,255,0,102,204,0,102,153,0,102,102,0,102,
51,0,102,0,0,51,255,0,51,204,0,51,153,0,51,102,0,51,51,
0,51,0,0,0,255,0,0,204,0,0,153,0,0,102,0,0,51,0,0,0
};
/* the dither matrix, used for alpha dither and 'positional' dither */
#define DM_WIDTH 32
#define DM_WIDTHMASK ((DM_WIDTH)-1)
#define DM_HEIGHT 32
#define DM_HEIGHTMASK ((DM_HEIGHT)-1)
/* matrix values should be scaled/biased to 1..255 range */
/* this array is not const because it may be overwritten. */
static guchar DM[32][32] = {
{ 1,191, 48,239, 12,203, 60,251, 3,194, 51,242, 15,206, 63,254, 1,192, 49,240, 13,204, 61,252, 4,195, 52,243, 16,207, 64,255},
{128, 64,175,112,140, 76,187,124,131, 67,178,115,143, 79,190,127,128, 65,176,112,140, 77,188,124,131, 68,179,115,143, 80,191,127},
{ 32,223, 16,207, 44,235, 28,219, 35,226, 19,210, 47,238, 31,222, 33,224, 17,208, 45,236, 29,220, 36,227, 20,211, 48,239, 32,223},
{159, 96,144, 80,171,108,155, 92,162, 99,146, 83,174,111,158, 95,160, 97,144, 81,172,109,156, 93,163,100,147, 84,175,111,159, 96},
{ 8,199, 56,247, 4,195, 52,243, 11,202, 59,250, 7,198, 55,246, 9,200, 57,248, 5,196, 53,244, 12,203, 60,251, 8,199, 56,247},
{136, 72,183,120,132, 68,179,116,139, 75,186,123,135, 71,182,119,136, 73,184,120,132, 69,180,116,139, 76,187,123,135, 72,183,119},
{ 40,231, 24,215, 36,227, 20,211, 43,234, 27,218, 39,230, 23,214, 41,232, 25,216, 37,228, 21,212, 44,235, 28,219, 40,231, 24,215},
{167,104,151, 88,163,100,147, 84,170,107,154, 91,166,103,150, 87,168,105,152, 89,164,101,148, 85,171,108,155, 92,167,104,151, 88},
{ 2,193, 50,241, 14,205, 62,253, 1,192, 49,240, 13,204, 61,252, 3,194, 51,242, 15,206, 63,254, 2,193, 50,241, 14,205, 62,253},
{130, 66,177,114,142, 78,189,126,129, 65,176,113,141, 77,188,125,130, 67,178,114,142, 79,190,126,129, 66,177,113,141, 78,189,125},
{ 34,225, 18,209, 46,237, 30,221, 33,224, 17,208, 45,236, 29,220, 35,226, 19,210, 47,238, 31,222, 34,225, 18,209, 46,237, 30,221},
{161, 98,146, 82,173,110,157, 94,160, 97,145, 81,172,109,156, 93,162, 99,146, 83,174,110,158, 95,161, 98,145, 82,173,109,157, 94},
{ 10,201, 58,249, 6,197, 54,245, 9,200, 57,248, 5,196, 53,244, 11,202, 59,250, 7,198, 55,246, 10,201, 58,249, 6,197, 54,245},
{138, 74,185,122,134, 70,181,118,137, 73,184,121,133, 69,180,117,138, 75,186,122,134, 71,182,118,137, 74,185,121,133, 70,181,117},
{ 42,233, 26,217, 38,229, 22,213, 41,232, 25,216, 37,228, 21,212, 43,234, 27,218, 39,230, 23,214, 42,233, 26,217, 38,229, 22,213},
{169,106,153, 90,165,102,149, 86,168,105,152, 89,164,101,148, 85,170,107,154, 91,166,103,150, 87,169,106,153, 90,165,102,149, 86},
{ 1,192, 49,239, 13,204, 61,251, 4,195, 52,242, 16,207, 64,254, 1,191, 48,239, 13,203, 60,251, 4,194, 51,242, 16,206, 63,254},
{128, 65,176,112,140, 76,188,124,131, 68,179,115,143, 79,191,127,128, 64,176,112,140, 76,187,124,131, 67,179,115,143, 79,190,127},
{ 33,223, 17,208, 45,235, 29,219, 36,226, 20,211, 48,238, 32,222, 33,223, 17,207, 44,235, 29,219, 36,226, 20,210, 47,238, 32,222},
{160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95,160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95},
{ 9,200, 57,247, 5,196, 53,243, 12,203, 60,250, 8,199, 56,246, 9,199, 56,247, 5,195, 52,243, 12,202, 59,250, 8,198, 55,246},
{136, 73,184,120,132, 69,180,116,139, 75,187,123,135, 72,183,119,136, 72,183,120,132, 68,180,116,139, 75,186,123,135, 71,182,119},
{ 41,231, 25,216, 37,227, 21,212, 44,234, 28,218, 40,230, 24,215, 40,231, 25,215, 37,227, 21,211, 43,234, 28,218, 39,230, 24,214},
{168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87,168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87},
{ 3,194, 51,241, 15,206, 63,253, 2,193, 50,240, 14,205, 62,252, 3,193, 50,241, 15,205, 62,253, 2,192, 49,240, 14,204, 61,252},
{130, 67,178,114,142, 78,190,126,129, 66,177,113,141, 77,189,125,130, 66,178,114,142, 78,189,126,129, 65,177,113,141, 77,188,125},
{ 35,225, 19,210, 47,237, 31,221, 34,224, 18,209, 46,236, 30,220, 35,225, 19,209, 46,237, 31,221, 34,224, 18,208, 45,236, 30,220},
{162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93,162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93},
{ 11,202, 59,249, 7,198, 55,245, 10,201, 58,248, 6,197, 54,244, 11,201, 58,249, 7,197, 54,245, 10,200, 57,248, 6,196, 53,244},
{138, 74,186,122,134, 71,182,118,137, 73,185,121,133, 70,181,117,138, 74,185,122,134, 70,182,118,137, 73,184,121,133, 69,181,117},
{ 43,233, 27,218, 39,229, 23,214, 42,232, 26,217, 38,228, 22,213, 42,233, 27,217, 38,229, 23,213, 41,232, 26,216, 37,228, 22,212},
{170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85,170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85}
};
static const guchar DM_ORIGINAL[32][32] = {
{ 1,191, 48,239, 12,203, 60,251, 3,194, 51,242, 15,206, 63,254, 1,192, 49,240, 13,204, 61,252, 4,195, 52,243, 16,207, 64,255},
{128, 64,175,112,140, 76,187,124,131, 67,178,115,143, 79,190,127,128, 65,176,112,140, 77,188,124,131, 68,179,115,143, 80,191,127},
{ 32,223, 16,207, 44,235, 28,219, 35,226, 19,210, 47,238, 31,222, 33,224, 17,208, 45,236, 29,220, 36,227, 20,211, 48,239, 32,223},
{159, 96,144, 80,171,108,155, 92,162, 99,146, 83,174,111,158, 95,160, 97,144, 81,172,109,156, 93,163,100,147, 84,175,111,159, 96},
{ 8,199, 56,247, 4,195, 52,243, 11,202, 59,250, 7,198, 55,246, 9,200, 57,248, 5,196, 53,244, 12,203, 60,251, 8,199, 56,247},
{136, 72,183,120,132, 68,179,116,139, 75,186,123,135, 71,182,119,136, 73,184,120,132, 69,180,116,139, 76,187,123,135, 72,183,119},
{ 40,231, 24,215, 36,227, 20,211, 43,234, 27,218, 39,230, 23,214, 41,232, 25,216, 37,228, 21,212, 44,235, 28,219, 40,231, 24,215},
{167,104,151, 88,163,100,147, 84,170,107,154, 91,166,103,150, 87,168,105,152, 89,164,101,148, 85,171,108,155, 92,167,104,151, 88},
{ 2,193, 50,241, 14,205, 62,253, 1,192, 49,240, 13,204, 61,252, 3,194, 51,242, 15,206, 63,254, 2,193, 50,241, 14,205, 62,253},
{130, 66,177,114,142, 78,189,126,129, 65,176,113,141, 77,188,125,130, 67,178,114,142, 79,190,126,129, 66,177,113,141, 78,189,125},
{ 34,225, 18,209, 46,237, 30,221, 33,224, 17,208, 45,236, 29,220, 35,226, 19,210, 47,238, 31,222, 34,225, 18,209, 46,237, 30,221},
{161, 98,146, 82,173,110,157, 94,160, 97,145, 81,172,109,156, 93,162, 99,146, 83,174,110,158, 95,161, 98,145, 82,173,109,157, 94},
{ 10,201, 58,249, 6,197, 54,245, 9,200, 57,248, 5,196, 53,244, 11,202, 59,250, 7,198, 55,246, 10,201, 58,249, 6,197, 54,245},
{138, 74,185,122,134, 70,181,118,137, 73,184,121,133, 69,180,117,138, 75,186,122,134, 71,182,118,137, 74,185,121,133, 70,181,117},
{ 42,233, 26,217, 38,229, 22,213, 41,232, 25,216, 37,228, 21,212, 43,234, 27,218, 39,230, 23,214, 42,233, 26,217, 38,229, 22,213},
{169,106,153, 90,165,102,149, 86,168,105,152, 89,164,101,148, 85,170,107,154, 91,166,103,150, 87,169,106,153, 90,165,102,149, 86},
{ 1,192, 49,239, 13,204, 61,251, 4,195, 52,242, 16,207, 64,254, 1,191, 48,239, 13,203, 60,251, 4,194, 51,242, 16,206, 63,254},
{128, 65,176,112,140, 76,188,124,131, 68,179,115,143, 79,191,127,128, 64,176,112,140, 76,187,124,131, 67,179,115,143, 79,190,127},
{ 33,223, 17,208, 45,235, 29,219, 36,226, 20,211, 48,238, 32,222, 33,223, 17,207, 44,235, 29,219, 36,226, 20,210, 47,238, 32,222},
{160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95,160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95},
{ 9,200, 57,247, 5,196, 53,243, 12,203, 60,250, 8,199, 56,246, 9,199, 56,247, 5,195, 52,243, 12,202, 59,250, 8,198, 55,246},
{136, 73,184,120,132, 69,180,116,139, 75,187,123,135, 72,183,119,136, 72,183,120,132, 68,180,116,139, 75,186,123,135, 71,182,119},
{ 41,231, 25,216, 37,227, 21,212, 44,234, 28,218, 40,230, 24,215, 40,231, 25,215, 37,227, 21,211, 43,234, 28,218, 39,230, 24,214},
{168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87,168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87},
{ 3,194, 51,241, 15,206, 63,253, 2,193, 50,240, 14,205, 62,252, 3,193, 50,241, 15,205, 62,253, 2,192, 49,240, 14,204, 61,252},
{130, 67,178,114,142, 78,190,126,129, 66,177,113,141, 77,189,125,130, 66,178,114,142, 78,189,126,129, 65,177,113,141, 77,188,125},
{ 35,225, 19,210, 47,237, 31,221, 34,224, 18,209, 46,236, 30,220, 35,225, 19,209, 46,237, 31,221, 34,224, 18,208, 45,236, 30,220},
{162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93,162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93},
{ 11,202, 59,249, 7,198, 55,245, 10,201, 58,248, 6,197, 54,244, 11,201, 58,249, 7,197, 54,245, 10,200, 57,248, 6,196, 53,244},
{138, 74,186,122,134, 71,182,118,137, 73,185,121,133, 70,181,117,138, 74,185,122,134, 70,182,118,137, 73,184,121,133, 69,181,117},
{ 43,233, 27,218, 39,229, 23,214, 42,232, 26,217, 38,228, 22,213, 42,233, 27,217, 38,229, 23,213, 41,232, 26,216, 37,228, 22,212},
{170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85,170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85}
};
#endif /* __GIMP_IMAGE_CONVERT_DATA_H__ */
|
