1
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-/****************************************************************************/
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2
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-/* */
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3
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-/* The FreeType project -- a free and portable quality TrueType renderer. */
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4
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-/* */
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5
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-/* Copyright (C) 1996-2021 by */
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6
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-/* D. Turner, R.Wilhelm, and W. Lemberg */
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7
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-/* */
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8
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-/* grblit.c: Support for blitting of bitmaps with various depth. */
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9
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-/* */
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10
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-/****************************************************************************/
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-
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12
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-#include "grblit.h"
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13
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-#include <string.h>
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14
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-
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15
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-#define GRAY8
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16
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-
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17
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- static
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18
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- int compute_clips( grBlitter* blit,
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19
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- int x_offset,
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20
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- int y_offset )
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21
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- {
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22
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- int xmin, ymin, xmax, ymax, width, height, target_width;
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-
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24
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- /* perform clipping and setup variables */
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25
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- width = blit->source.width;
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- height = blit->source.rows;
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-
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28
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- switch ( blit->source.mode )
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29
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- {
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30
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- case gr_pixel_mode_mono:
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- width = (width + 7) & -8;
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32
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- break;
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-
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34
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- case gr_pixel_mode_pal4:
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- width = (width + 1) & -2;
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36
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- break;
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37
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-
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38
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- case gr_pixel_mode_lcd:
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- case gr_pixel_mode_lcd2:
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40
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- width /= 3;
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41
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- break;
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42
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-
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43
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- case gr_pixel_mode_lcdv:
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- case gr_pixel_mode_lcdv2:
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- height /= 3;
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- break;
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47
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-
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48
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- default:
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- ;
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50
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- }
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-
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- xmin = x_offset;
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53
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- ymin = y_offset;
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54
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- xmax = xmin + width-1;
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55
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- ymax = ymin + height-1;
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56
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-
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57
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- /* clip if necessary */
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- if ( width == 0 || height == 0 ||
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- xmax < 0 || xmin >= blit->target.width ||
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- ymax < 0 || ymin >= blit->target.rows )
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- return 1;
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62
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-
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63
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- /* set up clipping and cursors */
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- blit->yread = 0;
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65
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- if ( ymin < 0 )
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66
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- {
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67
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- blit->yread -= ymin;
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- height += ymin;
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69
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- blit->ywrite = 0;
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70
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- }
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71
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- else
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72
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- blit->ywrite = ymin;
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73
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-
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74
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- if ( ymax >= blit->target.rows )
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75
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- height -= ymax - blit->target.rows + 1;
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76
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-
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77
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- blit->xread = 0;
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78
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- if ( xmin < 0 )
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79
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- {
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- blit->xread -= xmin;
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81
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- width += xmin;
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82
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- blit->xwrite = 0;
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83
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- }
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84
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- else
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85
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- blit->xwrite = xmin;
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86
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-
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87
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- target_width = blit->target.width;
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88
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-
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89
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- switch ( blit->target.mode )
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90
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- {
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91
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- case gr_pixel_mode_mono:
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- target_width = (target_width + 7) & -8;
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- break;
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94
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- case gr_pixel_mode_pal4:
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95
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- target_width = (target_width + 1) & -2;
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- break;
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97
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-
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- default:
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- ;
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100
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- }
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101
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-
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- blit->right_clip = xmax - target_width + 1;
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103
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- if ( blit->right_clip > 0 )
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- width -= blit->right_clip;
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- else
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- blit->right_clip = 0;
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107
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-
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108
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- blit->width = width;
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109
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- blit->height = height;
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-
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111
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- /* set read and write to the top-left corner of the read */
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- /* and write areas before clipping. */
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-
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- blit->read = blit->source.buffer;
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115
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- blit->write = blit->target.buffer;
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116
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-
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117
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- blit->read_line = blit->source.pitch;
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118
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- blit->write_line = blit->target.pitch;
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-
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120
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- if ( blit->read_line < 0 )
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- blit->read -= (blit->source.rows-1) * blit->read_line;
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-
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123
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- if ( blit->write_line < 0 )
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- blit->write -= (blit->target.rows-1) * blit->write_line;
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125
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-
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126
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- /* now go to the start line. Note that we do not move the */
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127
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- /* x position yet, as this is dependent on the pixel format */
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- blit->read += blit->yread * blit->read_line;
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129
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- blit->write += blit->ywrite * blit->write_line;
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-
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- return 0;
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132
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- }
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133
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-
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-
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135
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-/**************************************************************************/
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136
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-/* */
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137
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-/* <Function> blit_mono_to_mono */
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138
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-/* */
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139
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-/**************************************************************************/
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140
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-
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141
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- static
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142
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- void blit_mono_to_mono( grBlitter* blit,
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143
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- grColor color )
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144
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- {
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145
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- unsigned int shift;
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146
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- int left_clip, x, y;
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147
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-
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148
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- byte* read;
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149
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- byte* write;
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150
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-
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151
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- (void)color; /* unused argument */
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152
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-
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153
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- left_clip = ( blit->xread > 0 );
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154
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- shift = (unsigned int)( blit->xwrite - blit->xread ) & 7;
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155
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-
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156
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- read = blit->read + (blit->xread >> 3);
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157
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- write = blit->write + (blit->xwrite >> 3);
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158
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-
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159
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- if ( shift == 0 )
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160
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- {
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161
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- y = blit->height;
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162
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- do
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163
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- {
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164
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- byte* _read = read;
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165
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- byte* _write = write;
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166
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-
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167
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- x = blit->width;
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168
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-
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169
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- do
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170
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- {
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171
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- *_write++ |= *_read++;
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172
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- x -= 8;
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173
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- } while ( x > 0 );
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174
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-
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175
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- read += blit->read_line;
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- write += blit->write_line;
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- y--;
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- } while ( y > 0 );
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179
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- }
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180
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- else
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181
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- {
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182
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- int first, last, count;
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183
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-
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184
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-
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185
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- first = blit->xwrite >> 3;
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- last = (blit->xwrite + blit->width-1) >> 3;
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187
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-
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- count = last - first;
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189
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-
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190
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- if ( blit->right_clip )
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191
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- count++;
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192
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-
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193
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- y = blit->height;
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194
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-
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195
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- do
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196
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- {
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197
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- unsigned char* _read = read;
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198
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- unsigned char* _write = write;
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199
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- unsigned int old;
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200
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- unsigned int shift2 = (8-shift);
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201
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-
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202
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- if ( left_clip )
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203
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- old = (unsigned int)(*_read++) << shift2;
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204
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- else
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205
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- old = 0;
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206
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-
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207
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- x = count;
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208
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- while ( x > 0 )
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209
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- {
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210
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- unsigned int val = *_read++;
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211
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-
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212
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- *_write++ |= (unsigned char)( (val >> shift) | old );
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213
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- old = val << shift2;
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214
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- x--;
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215
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- }
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216
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-
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217
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- if ( !blit->right_clip )
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218
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- *_write |= (unsigned char)old;
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219
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-
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220
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- read += blit->read_line;
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221
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- write += blit->write_line;
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222
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- y--;
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223
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-
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224
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- } while ( y > 0 );
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225
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- }
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226
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- }
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227
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-
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228
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-
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229
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-/**************************************************************************/
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230
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-/* */
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231
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-/* <Function> blit_mono_to_pal8 */
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232
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-/* */
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233
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-/**************************************************************************/
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234
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-
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235
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- static
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236
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- void blit_mono_to_pal8( grBlitter* blit,
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237
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- grColor color )
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238
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- {
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239
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- int x, y;
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240
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- unsigned char* write = blit->write + blit->xwrite;
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241
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- unsigned char* read = blit->read + ( blit->xread >> 3 );
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242
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- unsigned int mask = 0x80 >> ( blit->xread & 7 );
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243
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-
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244
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- y = blit->height;
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245
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- do
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246
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- {
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247
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- unsigned char* _write = write;
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248
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- unsigned char* _read = read;
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249
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- unsigned int _mask = mask;
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250
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- unsigned int val = *_read;
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251
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-
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252
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- x = blit->width;
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253
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- do
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254
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- {
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255
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- if ( !_mask )
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256
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- {
|
257
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- val = *++_read;
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258
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- _mask = 0x80;
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259
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- }
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260
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-
|
261
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- if ( val & _mask )
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262
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- *_write = (unsigned char)color.value;
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263
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-
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264
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- _mask >>= 1;
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265
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- _write++;
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266
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-
|
267
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- } while ( --x > 0 );
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268
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-
|
269
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- read += blit->read_line;
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270
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- write += blit->write_line;
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271
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- y--;
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272
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- } while ( y > 0 );
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273
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- }
|
274
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-
|
275
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|
-
|
276
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|
-/**************************************************************************/
|
277
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-/* */
|
278
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|
-/* <Function> blit_mono_to_pal4 */
|
279
|
|
-/* */
|
280
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|
-/**************************************************************************/
|
281
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-
|
282
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|
- static
|
283
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- void blit_mono_to_pal4( grBlitter* blit,
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284
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- grColor color )
|
285
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- {
|
286
|
|
- int x, y;
|
287
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|
- unsigned char* write = blit->write + ( blit->xwrite >> 1 );
|
288
|
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- unsigned int phase = blit->xwrite & 1 ? 0x0F : 0xF0;
|
289
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- unsigned char* read = blit->read + ( blit->xread >> 3 );
|
290
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- unsigned int mask = 0x80 >> ( blit->xread & 7 );
|
291
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- unsigned int col = color.value | ( color.value << 4 );
|
292
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-
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293
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- y = blit->height;
|
294
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|
- do
|
295
|
|
- {
|
296
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- unsigned char* _write = write;
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297
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- unsigned int _phase = phase;
|
298
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- unsigned char* _read = read;
|
299
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- unsigned int _mask = mask;
|
300
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- unsigned int val = *_read;
|
301
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-
|
302
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- x = blit->width;
|
303
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- do
|
304
|
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- {
|
305
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- if ( !_mask )
|
306
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- {
|
307
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- val = *++_read;
|
308
|
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- _mask = 0x80;
|
309
|
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- }
|
310
|
|
-
|
311
|
|
- if ( val & _mask )
|
312
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- *_write = (unsigned char)( (col & _phase) | (*_write & ~_phase) );
|
313
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|
-
|
314
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- _mask >>= 1;
|
315
|
|
- _write += _phase & 1;
|
316
|
|
- _phase = ~_phase;
|
317
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- x--;
|
318
|
|
- } while ( x > 0 );
|
319
|
|
-
|
320
|
|
- read += blit->read_line;
|
321
|
|
- write += blit->write_line;
|
322
|
|
- y--;
|
323
|
|
- } while ( y > 0 );
|
324
|
|
- }
|
325
|
|
-
|
326
|
|
-
|
327
|
|
-/**************************************************************************/
|
328
|
|
-/* */
|
329
|
|
-/* <Function> blit_mono_to_rgb16 */
|
330
|
|
-/* */
|
331
|
|
-/**************************************************************************/
|
332
|
|
-
|
333
|
|
- static
|
334
|
|
- void blit_mono_to_rgb16( grBlitter* blit,
|
335
|
|
- grColor color )
|
336
|
|
- {
|
337
|
|
- int x, y;
|
338
|
|
- unsigned char* write = blit->write + blit->xwrite * 2;
|
339
|
|
- unsigned char* read = blit->read + ( blit->xread >> 3 );
|
340
|
|
- unsigned int mask = 0x80 >> ( blit->xread & 7 );
|
341
|
|
-
|
342
|
|
- y = blit->height;
|
343
|
|
- do
|
344
|
|
- {
|
345
|
|
- unsigned short* _write = (unsigned short*)write;
|
346
|
|
- unsigned char* _read = read;
|
347
|
|
- unsigned int _mask = mask;
|
348
|
|
- unsigned int val = *_read;
|
349
|
|
-
|
350
|
|
- x = blit->width;
|
351
|
|
- do
|
352
|
|
- {
|
353
|
|
- if ( !_mask )
|
354
|
|
- {
|
355
|
|
- val = *++_read;
|
356
|
|
- _mask = 0x80;
|
357
|
|
- }
|
358
|
|
-
|
359
|
|
- if ( val & _mask )
|
360
|
|
- *_write = (unsigned short)color.value;
|
361
|
|
-
|
362
|
|
- _mask >>= 1;
|
363
|
|
- _write++;
|
364
|
|
- x--;
|
365
|
|
- } while ( x > 0 );
|
366
|
|
-
|
367
|
|
- read += blit->read_line;
|
368
|
|
- write += blit->write_line;
|
369
|
|
- y--;
|
370
|
|
- } while ( y > 0 );
|
371
|
|
- }
|
372
|
|
-
|
373
|
|
-
|
374
|
|
-/**************************************************************************/
|
375
|
|
-/* */
|
376
|
|
-/* <Function> blit_mono_to_rgb24 */
|
377
|
|
-/* */
|
378
|
|
-/**************************************************************************/
|
379
|
|
-
|
380
|
|
- static
|
381
|
|
- void blit_mono_to_rgb24( grBlitter* blit,
|
382
|
|
- grColor color )
|
383
|
|
- {
|
384
|
|
- int x, y;
|
385
|
|
- unsigned char* write = blit->write + blit->xwrite * 3;
|
386
|
|
- unsigned char* read = blit->read + ( blit->xread >> 3 );
|
387
|
|
- unsigned int mask = 0x80 >> ( blit->xread & 7 );
|
388
|
|
-
|
389
|
|
- y = blit->height;
|
390
|
|
- do
|
391
|
|
- {
|
392
|
|
- unsigned char* _write = write;
|
393
|
|
- unsigned char* _read = read;
|
394
|
|
- unsigned int _mask = mask;
|
395
|
|
- unsigned int val = *_read;
|
396
|
|
-
|
397
|
|
- x = blit->width;
|
398
|
|
- do
|
399
|
|
- {
|
400
|
|
- if ( !_mask )
|
401
|
|
- {
|
402
|
|
- val = *++_read;
|
403
|
|
- _mask = 0x80;
|
404
|
|
- }
|
405
|
|
-
|
406
|
|
- if ( val & _mask )
|
407
|
|
- {
|
408
|
|
- _write[0] = color.chroma[0];
|
409
|
|
- _write[1] = color.chroma[1];
|
410
|
|
- _write[2] = color.chroma[2];
|
411
|
|
- }
|
412
|
|
-
|
413
|
|
- _mask >>= 1;
|
414
|
|
- _write += 3;
|
415
|
|
- x--;
|
416
|
|
- } while ( x > 0 );
|
417
|
|
-
|
418
|
|
- read += blit->read_line;
|
419
|
|
- write += blit->write_line;
|
420
|
|
- y--;
|
421
|
|
- } while ( y > 0 );
|
422
|
|
- }
|
423
|
|
-
|
424
|
|
-
|
425
|
|
-/**************************************************************************/
|
426
|
|
-/* */
|
427
|
|
-/* <Function> blit_mono_to_rgb32 */
|
428
|
|
-/* */
|
429
|
|
-/**************************************************************************/
|
430
|
|
-
|
431
|
|
- static
|
432
|
|
- void blit_mono_to_rgb32( grBlitter* blit,
|
433
|
|
- grColor color )
|
434
|
|
- {
|
435
|
|
- int x, y;
|
436
|
|
- unsigned char* write = blit->write + blit->xwrite * 4;
|
437
|
|
- unsigned char* read = blit->read + ( blit->xread >> 3 );
|
438
|
|
- unsigned int mask = 0x80 >> ( blit->xread & 7 );
|
439
|
|
-
|
440
|
|
- y = blit->height;
|
441
|
|
- do
|
442
|
|
- {
|
443
|
|
- uint32_t* _write = (uint32_t*)write;
|
444
|
|
- unsigned char* _read = read;
|
445
|
|
- unsigned int _mask = mask;
|
446
|
|
- unsigned int val = *_read;
|
447
|
|
-
|
448
|
|
- x = blit->width;
|
449
|
|
- do
|
450
|
|
- {
|
451
|
|
- if ( !_mask )
|
452
|
|
- {
|
453
|
|
- val = *++_read;
|
454
|
|
- _mask = 0x80;
|
455
|
|
- }
|
456
|
|
-
|
457
|
|
- if ( val & _mask )
|
458
|
|
- *_write = color.value;
|
459
|
|
-
|
460
|
|
- _mask >>= 1;
|
461
|
|
- _write++;
|
462
|
|
- x--;
|
463
|
|
-
|
464
|
|
- } while ( x > 0 );
|
465
|
|
-
|
466
|
|
- read += blit->read_line;
|
467
|
|
- write += blit->write_line;
|
468
|
|
- y--;
|
469
|
|
-
|
470
|
|
- } while ( y > 0 );
|
471
|
|
- }
|
472
|
|
-
|
473
|
|
-
|
474
|
|
- static
|
475
|
|
- const grBlitterFunc gr_mono_blitters[gr_pixel_mode_max] =
|
476
|
|
- {
|
477
|
|
- 0,
|
478
|
|
- blit_mono_to_mono,
|
479
|
|
- blit_mono_to_pal4,
|
480
|
|
- blit_mono_to_pal8,
|
481
|
|
- blit_mono_to_pal8,
|
482
|
|
- blit_mono_to_rgb16,
|
483
|
|
- blit_mono_to_rgb16,
|
484
|
|
- blit_mono_to_rgb24,
|
485
|
|
- blit_mono_to_rgb32
|
486
|
|
- };
|
487
|
|
-
|
488
|
|
-
|
489
|
|
- /*******************************************************************/
|
490
|
|
- /* */
|
491
|
|
- /* Saturation tables */
|
492
|
|
- /* */
|
493
|
|
- /*******************************************************************/
|
494
|
|
-
|
495
|
|
- typedef struct grSaturation_
|
496
|
|
- {
|
497
|
|
- int count;
|
498
|
|
- const byte* table;
|
499
|
|
-
|
500
|
|
- } grSaturation;
|
501
|
|
-
|
502
|
|
-
|
503
|
|
- static
|
504
|
|
- const byte gr_saturation_5[8] = { 0, 1, 2, 3, 4, 4, 4, 4 };
|
505
|
|
-
|
506
|
|
-
|
507
|
|
- static
|
508
|
|
- const byte gr_saturation_17[32] =
|
509
|
|
- {
|
510
|
|
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
511
|
|
- 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
|
512
|
|
- };
|
513
|
|
-
|
514
|
|
-
|
515
|
|
- static
|
516
|
|
- grSaturation gr_saturations[ GR_MAX_SATURATIONS ] =
|
517
|
|
- {
|
518
|
|
- { 5, gr_saturation_5 },
|
519
|
|
- { 17, gr_saturation_17 }
|
520
|
|
- };
|
521
|
|
-
|
522
|
|
- static
|
523
|
|
- int gr_num_saturations = 2;
|
524
|
|
-
|
525
|
|
- static
|
526
|
|
- grSaturation* gr_last_saturation = gr_saturations;
|
527
|
|
-
|
528
|
|
-
|
529
|
|
- static const byte*
|
530
|
|
- grGetSaturation( int num_grays )
|
531
|
|
- {
|
532
|
|
- /* first of all, scan the current saturations table */
|
533
|
|
- grSaturation* sat = gr_saturations;
|
534
|
|
- grSaturation* limit = sat + gr_num_saturations;
|
535
|
|
-
|
536
|
|
- if ( num_grays < 2 )
|
537
|
|
- {
|
538
|
|
- grError = gr_err_bad_argument;
|
539
|
|
- return NULL;
|
540
|
|
- }
|
541
|
|
-
|
542
|
|
- for ( ; sat < limit; sat++ )
|
543
|
|
- {
|
544
|
|
- if ( sat->count == num_grays )
|
545
|
|
- {
|
546
|
|
- gr_last_saturation = sat;
|
547
|
|
- return sat->table;
|
548
|
|
- }
|
549
|
|
- }
|
550
|
|
-
|
551
|
|
- /* not found, simply create a new entry if there is room */
|
552
|
|
- if (gr_num_saturations < GR_MAX_SATURATIONS)
|
553
|
|
- {
|
554
|
|
- int i;
|
555
|
|
- byte* table;
|
556
|
|
-
|
557
|
|
- table = (byte*)malloc( (size_t)( 3 * num_grays - 1 ) * sizeof ( byte ) );
|
558
|
|
- if (!table)
|
559
|
|
- return NULL;
|
560
|
|
-
|
561
|
|
- sat->count = num_grays;
|
562
|
|
- sat->table = table;
|
563
|
|
-
|
564
|
|
- for ( i = 0; i < num_grays; i++ )
|
565
|
|
- table[i] = (byte)i;
|
566
|
|
-
|
567
|
|
- memset( table+num_grays, num_grays-1, 2*num_grays-1 );
|
568
|
|
-
|
569
|
|
- gr_num_saturations++;
|
570
|
|
- gr_last_saturation = sat;
|
571
|
|
- return table;
|
572
|
|
- }
|
573
|
|
- grError = gr_err_saturation_overflow;
|
574
|
|
- return NULL;
|
575
|
|
- }
|
576
|
|
-
|
577
|
|
-
|
578
|
|
-
|
579
|
|
- /*******************************************************************/
|
580
|
|
- /* */
|
581
|
|
- /* conversion tables */
|
582
|
|
- /* */
|
583
|
|
- /*******************************************************************/
|
584
|
|
-
|
585
|
|
- typedef struct grConversion_
|
586
|
|
- {
|
587
|
|
- int target_grays;
|
588
|
|
- int source_grays;
|
589
|
|
- const byte* table;
|
590
|
|
-
|
591
|
|
- } grConversion;
|
592
|
|
-
|
593
|
|
-
|
594
|
|
-
|
595
|
|
- static
|
596
|
|
- const byte gr_gray5_to_gray17[5] = { 0, 4, 8, 12, 16 };
|
597
|
|
-
|
598
|
|
-
|
599
|
|
- static
|
600
|
|
- const byte gr_gray5_to_gray128[5] = { 0, 32, 64, 96, 127 };
|
601
|
|
-
|
602
|
|
-
|
603
|
|
- static
|
604
|
|
- const byte gr_gray17_to_gray128[17] =
|
605
|
|
- {
|
606
|
|
- 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 127
|
607
|
|
- };
|
608
|
|
-
|
609
|
|
- static
|
610
|
|
- grConversion gr_conversions[ GR_MAX_CONVERSIONS ] =
|
611
|
|
- {
|
612
|
|
- { 17, 5, gr_gray5_to_gray17 },
|
613
|
|
- { 128, 5, gr_gray5_to_gray128 },
|
614
|
|
- { 128, 17, gr_gray17_to_gray128 }
|
615
|
|
- };
|
616
|
|
-
|
617
|
|
- static
|
618
|
|
- int gr_num_conversions = 3;
|
619
|
|
-
|
620
|
|
- static
|
621
|
|
- grConversion* gr_last_conversion = gr_conversions;
|
622
|
|
-
|
623
|
|
-
|
624
|
|
- static const byte*
|
625
|
|
- grGetConversion( int target_grays,
|
626
|
|
- int source_grays )
|
627
|
|
- {
|
628
|
|
- grConversion* conv = gr_conversions;
|
629
|
|
- grConversion* limit = conv + gr_num_conversions;
|
630
|
|
-
|
631
|
|
- if ( target_grays < 2 || source_grays < 2 )
|
632
|
|
- {
|
633
|
|
- grError = gr_err_bad_argument;
|
634
|
|
- return NULL;
|
635
|
|
- }
|
636
|
|
-
|
637
|
|
- /* otherwise, scan table */
|
638
|
|
- for ( ; conv < limit; conv++ )
|
639
|
|
- {
|
640
|
|
- if ( conv->target_grays == target_grays &&
|
641
|
|
- conv->source_grays == source_grays )
|
642
|
|
- {
|
643
|
|
- gr_last_conversion = conv;
|
644
|
|
- return conv->table;
|
645
|
|
- }
|
646
|
|
- }
|
647
|
|
-
|
648
|
|
- /* not found, add a new conversion to the table */
|
649
|
|
- if (gr_num_conversions < GR_MAX_CONVERSIONS)
|
650
|
|
- {
|
651
|
|
- byte* table;
|
652
|
|
- int n;
|
653
|
|
-
|
654
|
|
- table = (byte*)malloc( (size_t)source_grays * sizeof ( byte ) );
|
655
|
|
- if (!table)
|
656
|
|
- return NULL;
|
657
|
|
-
|
658
|
|
- conv->target_grays = target_grays;
|
659
|
|
- conv->source_grays = source_grays;
|
660
|
|
- conv->table = table;
|
661
|
|
-
|
662
|
|
- for ( n = 0; n < source_grays; n++ )
|
663
|
|
- table[n] = (byte)(n*(target_grays-1) / (source_grays-1));
|
664
|
|
-
|
665
|
|
- gr_num_conversions++;
|
666
|
|
- gr_last_conversion = conv;
|
667
|
|
- return table;
|
668
|
|
- }
|
669
|
|
- grError = gr_err_conversion_overflow;
|
670
|
|
- return NULL;
|
671
|
|
- }
|
672
|
|
-
|
673
|
|
-
|
674
|
|
-
|
675
|
|
-
|
676
|
|
-/**************************************************************************/
|
677
|
|
-/* */
|
678
|
|
-/* <Function> blit_gray_to_gray */
|
679
|
|
-/* */
|
680
|
|
-/**************************************************************************/
|
681
|
|
-
|
682
|
|
- static
|
683
|
|
- void blit_gray_to_gray( grBlitter* blit,
|
684
|
|
- const byte* saturation,
|
685
|
|
- const byte* conversion )
|
686
|
|
- {
|
687
|
|
- int y;
|
688
|
|
- unsigned char* read;
|
689
|
|
- unsigned char* write;
|
690
|
|
-#ifdef GR_CONFIG_GRAY_SKIP_WHITE
|
691
|
|
- int max = blit->source.grays - 1;
|
692
|
|
- int max2 = blit-target.grays - 1;
|
693
|
|
-#endif
|
694
|
|
-
|
695
|
|
- read = blit->read + blit->xread;
|
696
|
|
- write = blit->write + blit->xwrite;
|
697
|
|
-
|
698
|
|
- y = blit->height;
|
699
|
|
- do
|
700
|
|
- {
|
701
|
|
- unsigned char* _read = read;
|
702
|
|
- unsigned char* _write = write;
|
703
|
|
- int x = blit->width;
|
704
|
|
-
|
705
|
|
- while (x > 0)
|
706
|
|
- {
|
707
|
|
-#ifdef GR_CONFIG_GRAY_SKIP_WHITE
|
708
|
|
- int val = *_read;
|
709
|
|
-
|
710
|
|
- if (val)
|
711
|
|
- {
|
712
|
|
- if (val == max)
|
713
|
|
- *_write = (byte)max2;
|
714
|
|
- else
|
715
|
|
- *_write = saturation[ (int)*_write + conversion[ *_read ] ];
|
716
|
|
- }
|
717
|
|
-#else
|
718
|
|
- *_write = saturation[ (int)*_write + conversion[ *_read ] ];
|
719
|
|
-#endif
|
720
|
|
- _write++;
|
721
|
|
- _read++;
|
722
|
|
- x--;
|
723
|
|
- }
|
724
|
|
-
|
725
|
|
- read += blit->read_line;
|
726
|
|
- write += blit->write_line;
|
727
|
|
- y--;
|
728
|
|
- }
|
729
|
|
- while (y > 0);
|
730
|
|
- }
|
731
|
|
-
|
732
|
|
-
|
733
|
|
-/**************************************************************************/
|
734
|
|
-/* */
|
735
|
|
-/* <Function> blit_gray_to_gray_simple */
|
736
|
|
-/* */
|
737
|
|
-/**************************************************************************/
|
738
|
|
-
|
739
|
|
- static
|
740
|
|
- void blit_gray_to_gray_simple( grBlitter* blit,
|
741
|
|
- const byte* saturation )
|
742
|
|
- {
|
743
|
|
- int y;
|
744
|
|
- unsigned char* read;
|
745
|
|
- unsigned char* write;
|
746
|
|
-#ifdef GR_CONFIG_GRAY_SKIP_WHITE
|
747
|
|
- int max = blit->source.grays - 1;
|
748
|
|
-#endif
|
749
|
|
-
|
750
|
|
- read = blit->read + blit->xread;
|
751
|
|
- write = blit->write + blit->xwrite;
|
752
|
|
-
|
753
|
|
- y = blit->height;
|
754
|
|
- do
|
755
|
|
- {
|
756
|
|
- unsigned char* _read = read;
|
757
|
|
- unsigned char* _write = write;
|
758
|
|
- int x = blit->width;
|
759
|
|
-
|
760
|
|
- while (x > 0)
|
761
|
|
- {
|
762
|
|
-#ifdef GR_CONFIG_GRAY_SKIP_WHITE
|
763
|
|
- int val = *_read;
|
764
|
|
-
|
765
|
|
- if (val)
|
766
|
|
- {
|
767
|
|
- if (val == max)
|
768
|
|
- *_write = val;
|
769
|
|
- else
|
770
|
|
- *_write = saturation[ (int)*_write + *_read ];
|
771
|
|
- }
|
772
|
|
-#else
|
773
|
|
- *_write = saturation[ (int)*_write + *_read ];
|
774
|
|
-#endif
|
775
|
|
- _write++;
|
776
|
|
- _read++;
|
777
|
|
- x--;
|
778
|
|
- }
|
779
|
|
-
|
780
|
|
- read += blit->read_line;
|
781
|
|
- write += blit->write_line;
|
782
|
|
- y--;
|
783
|
|
- }
|
784
|
|
- while (y > 0);
|
785
|
|
- }
|
786
|
|
-
|
787
|
|
-
|
788
|
|
-
|
789
|
|
-#define compose_pixel_full( a, b, n0, n1, n2, max ) \
|
790
|
|
- do \
|
791
|
|
- { \
|
792
|
|
- int d, half = max >> 1; \
|
793
|
|
- \
|
794
|
|
- \
|
795
|
|
- d = (int)b.chroma[0] - a.chroma[0]; \
|
796
|
|
- a.chroma[0] += (unsigned char)((n0*d + half)/max); \
|
797
|
|
- \
|
798
|
|
- d = (int)b.chroma[1] - a.chroma[1]; \
|
799
|
|
- a.chroma[1] += (unsigned char)((n1*d + half)/max); \
|
800
|
|
- \
|
801
|
|
- d = (int)b.chroma[2] - a.chroma[2]; \
|
802
|
|
- a.chroma[2] += (unsigned char)((n2*d + half)/max); \
|
803
|
|
- } while ( 0 )
|
804
|
|
-
|
805
|
|
-#define compose_pixel( a, b, n, max ) \
|
806
|
|
- compose_pixel_full( a, b, n, n, n, max )
|
807
|
|
-
|
808
|
|
-
|
809
|
|
-#define extract555( pixel, color ) \
|
810
|
|
- color.chroma[0] = (unsigned char)((pixel >> 10) & 0x1F); \
|
811
|
|
- color.chroma[1] = (unsigned char)((pixel >> 5) & 0x1F); \
|
812
|
|
- color.chroma[2] = (unsigned char)((pixel ) & 0x1F)
|
813
|
|
-
|
814
|
|
-
|
815
|
|
-#define extract565( pixel, color ) \
|
816
|
|
- color.chroma[0] = (unsigned char)((pixel >> 11) & 0x1F); \
|
817
|
|
- color.chroma[1] = (unsigned char)((pixel >> 5) & 0x3F); \
|
818
|
|
- color.chroma[2] = (unsigned char)((pixel ) & 0x1F)
|
819
|
|
-
|
820
|
|
-
|
821
|
|
-#define inject555( color ) \
|
822
|
|
- (unsigned short)( ( color.chroma[0] << 10 ) | \
|
823
|
|
- ( color.chroma[1] << 5 ) | \
|
824
|
|
- color.chroma[2] )
|
825
|
|
-
|
826
|
|
-
|
827
|
|
-#define inject565( color ) \
|
828
|
|
- (unsigned short)( ( color.chroma[0] << 11 ) | \
|
829
|
|
- ( color.chroma[1] << 5 ) | \
|
830
|
|
- color.chroma[2] )
|
831
|
|
-
|
832
|
|
-
|
833
|
|
-/**************************************************************************/
|
834
|
|
-/* */
|
835
|
|
-/* <Function> blit_gray_to_555 */
|
836
|
|
-/* */
|
837
|
|
-/**************************************************************************/
|
838
|
|
-
|
839
|
|
-#ifdef GRAY8
|
840
|
|
- static
|
841
|
|
- void blit_gray8_to_555( grBlitter* blit,
|
842
|
|
- grColor color )
|
843
|
|
- {
|
844
|
|
- int y;
|
845
|
|
- int sr = color.value & 0x7C00;
|
846
|
|
- int sg = color.value & 0x03E0;
|
847
|
|
- int sb = color.value & 0x001F;
|
848
|
|
- unsigned char* read;
|
849
|
|
- unsigned char* write;
|
850
|
|
-
|
851
|
|
- read = blit->read + blit->xread;
|
852
|
|
- write = blit->write + 2*blit->xwrite;
|
853
|
|
-
|
854
|
|
- y = blit->height;
|
855
|
|
- do
|
856
|
|
- {
|
857
|
|
- unsigned char* _read = read;
|
858
|
|
- unsigned short* _write = (unsigned short*)write;
|
859
|
|
- int x = blit->width;
|
860
|
|
-
|
861
|
|
- while (x > 0)
|
862
|
|
- {
|
863
|
|
- unsigned char val = *_read;
|
864
|
|
-
|
865
|
|
- if (val)
|
866
|
|
- {
|
867
|
|
- if (val >= 254 )
|
868
|
|
- *_write = (unsigned short)( sr | sg | sb );
|
869
|
|
- else if ( val >= 2 )
|
870
|
|
- {
|
871
|
|
- /* compose gray value */
|
872
|
|
- int pix = (int)*_write;
|
873
|
|
- int dr = pix & 0x7C00;
|
874
|
|
- int dg = pix & 0x03E0;
|
875
|
|
- int db = pix & 0x001F;
|
876
|
|
-
|
877
|
|
- dr += ((sr-dr)*val) >> 8;
|
878
|
|
- dr &= 0x7C00;
|
879
|
|
-
|
880
|
|
- dg += ((sg-dg)*val) >> 8;
|
881
|
|
- dg &= 0x03E0;
|
882
|
|
-
|
883
|
|
- db += ((sb-db)*val) >> 8;
|
884
|
|
- db &= 0x001F;
|
885
|
|
-
|
886
|
|
- *_write = (unsigned short)( dr | dg | db );
|
887
|
|
- }
|
888
|
|
- }
|
889
|
|
- _write ++;
|
890
|
|
- _read ++;
|
891
|
|
- x--;
|
892
|
|
- }
|
893
|
|
-
|
894
|
|
- read += blit->read_line;
|
895
|
|
- write += blit->write_line;
|
896
|
|
- y--;
|
897
|
|
- }
|
898
|
|
- while (y > 0);
|
899
|
|
-
|
900
|
|
- }
|
901
|
|
-#endif /* GRAY8 */
|
902
|
|
-
|
903
|
|
- static
|
904
|
|
- void blit_gray_to_555( grBlitter* blit,
|
905
|
|
- grColor color,
|
906
|
|
- int max )
|
907
|
|
- {
|
908
|
|
- int y;
|
909
|
|
- unsigned char* read;
|
910
|
|
- unsigned char* write;
|
911
|
|
-
|
912
|
|
- read = blit->read + blit->xread;
|
913
|
|
- write = blit->write + 2*blit->xwrite;
|
914
|
|
-
|
915
|
|
- /* scale down R:G:B triplet */
|
916
|
|
- color.chroma[0] >>= 3;
|
917
|
|
- color.chroma[1] >>= 3;
|
918
|
|
- color.chroma[2] >>= 3;
|
919
|
|
-
|
920
|
|
- y = blit->height;
|
921
|
|
- do
|
922
|
|
- {
|
923
|
|
- unsigned char* _read = read;
|
924
|
|
- unsigned short* _write = (unsigned short*)write;
|
925
|
|
- int x = blit->width;
|
926
|
|
-
|
927
|
|
- while (x > 0)
|
928
|
|
- {
|
929
|
|
- int val = *_read;
|
930
|
|
-
|
931
|
|
- if (val)
|
932
|
|
- {
|
933
|
|
- if (val == max)
|
934
|
|
- *_write = inject555( color );
|
935
|
|
- else
|
936
|
|
- {
|
937
|
|
- /* compose gray value */
|
938
|
|
- unsigned short pix16 = *_write;
|
939
|
|
- grColor pix;
|
940
|
|
-
|
941
|
|
- extract555( pix16, pix );
|
942
|
|
-
|
943
|
|
- compose_pixel( pix, color, val, max );
|
944
|
|
- *_write = inject555( pix );
|
945
|
|
- }
|
946
|
|
- }
|
947
|
|
- _write ++;
|
948
|
|
- _read ++;
|
949
|
|
- x--;
|
950
|
|
- }
|
951
|
|
-
|
952
|
|
- read += blit->read_line;
|
953
|
|
- write += blit->write_line;
|
954
|
|
- y--;
|
955
|
|
- }
|
956
|
|
- while (y > 0);
|
957
|
|
- }
|
958
|
|
-
|
959
|
|
-
|
960
|
|
-/**************************************************************************/
|
961
|
|
-/* */
|
962
|
|
-/* <Function> blit_gray_to_565 */
|
963
|
|
-/* */
|
964
|
|
-/**************************************************************************/
|
965
|
|
-
|
966
|
|
-#ifdef GRAY8
|
967
|
|
- static
|
968
|
|
- void blit_gray8_to_565( grBlitter* blit,
|
969
|
|
- grColor color )
|
970
|
|
- {
|
971
|
|
- int y;
|
972
|
|
- int sr = color.value & 0xF800;
|
973
|
|
- int sg = color.value & 0x07E0;
|
974
|
|
- int sb = color.value & 0x001F;
|
975
|
|
- unsigned char* read;
|
976
|
|
- unsigned char* write;
|
977
|
|
-
|
978
|
|
- read = blit->read + blit->xread;
|
979
|
|
- write = blit->write + 2*blit->xwrite;
|
980
|
|
-
|
981
|
|
- y = blit->height;
|
982
|
|
- do
|
983
|
|
- {
|
984
|
|
- unsigned char* _read = read;
|
985
|
|
- unsigned short* _write = (unsigned short*)write;
|
986
|
|
- int x = blit->width;
|
987
|
|
-
|
988
|
|
- while (x > 0)
|
989
|
|
- {
|
990
|
|
- unsigned char val = *_read;
|
991
|
|
-
|
992
|
|
- if (val)
|
993
|
|
- {
|
994
|
|
- if (val >= 254 )
|
995
|
|
- *_write = (unsigned short)( sr | sg | sb );
|
996
|
|
- else if ( val >= 2 )
|
997
|
|
- {
|
998
|
|
- /* compose gray value */
|
999
|
|
- int pix = (int)*_write;
|
1000
|
|
- int dr = pix & 0xF800;
|
1001
|
|
- int dg = pix & 0x07E0;
|
1002
|
|
- int db = pix & 0x001F;
|
1003
|
|
-
|
1004
|
|
- dr += ((sr-dr)*val) >> 8;
|
1005
|
|
- dr &= 0xF800;
|
1006
|
|
-
|
1007
|
|
- dg += ((sg-dg)*val) >> 8;
|
1008
|
|
- dg &= 0x07E0;
|
1009
|
|
-
|
1010
|
|
- db += ((sb-db)*val) >> 8;
|
1011
|
|
- db &= 0x001F;
|
1012
|
|
-
|
1013
|
|
- *_write = (unsigned short)( dr | dg | db );
|
1014
|
|
- }
|
1015
|
|
- }
|
1016
|
|
- _write ++;
|
1017
|
|
- _read ++;
|
1018
|
|
- x--;
|
1019
|
|
- }
|
1020
|
|
-
|
1021
|
|
- read += blit->read_line;
|
1022
|
|
- write += blit->write_line;
|
1023
|
|
- y--;
|
1024
|
|
- }
|
1025
|
|
- while (y > 0);
|
1026
|
|
- }
|
1027
|
|
-#endif
|
1028
|
|
-
|
1029
|
|
- static
|
1030
|
|
- void blit_gray_to_565( grBlitter* blit,
|
1031
|
|
- grColor color,
|
1032
|
|
- int max )
|
1033
|
|
- {
|
1034
|
|
- int y;
|
1035
|
|
- unsigned char* read;
|
1036
|
|
- unsigned char* write;
|
1037
|
|
-
|
1038
|
|
- read = blit->read + blit->xread;
|
1039
|
|
- write = blit->write + 2*blit->xwrite;
|
1040
|
|
-
|
1041
|
|
- /* scale down R:G:B triplet */
|
1042
|
|
- color.chroma[0] >>= 3;
|
1043
|
|
- color.chroma[1] >>= 2;
|
1044
|
|
- color.chroma[2] >>= 3;
|
1045
|
|
-
|
1046
|
|
- y = blit->height;
|
1047
|
|
- do
|
1048
|
|
- {
|
1049
|
|
- unsigned char* _read = read;
|
1050
|
|
- unsigned short* _write = (unsigned short*)write;
|
1051
|
|
- int x = blit->width;
|
1052
|
|
-
|
1053
|
|
- while (x > 0)
|
1054
|
|
- {
|
1055
|
|
- int val = *_read;
|
1056
|
|
-
|
1057
|
|
- if (val)
|
1058
|
|
- {
|
1059
|
|
- if (val == max)
|
1060
|
|
- *_write = inject565( color );
|
1061
|
|
- else
|
1062
|
|
- {
|
1063
|
|
- /* compose gray value */
|
1064
|
|
- unsigned short pix16 = *_write;
|
1065
|
|
- grColor pix;
|
1066
|
|
-
|
1067
|
|
- extract565( pix16, pix );
|
1068
|
|
-
|
1069
|
|
- compose_pixel( pix, color, val, max );
|
1070
|
|
- *_write = inject565( pix );
|
1071
|
|
- }
|
1072
|
|
- }
|
1073
|
|
- _write ++;
|
1074
|
|
- _read ++;
|
1075
|
|
- x--;
|
1076
|
|
- }
|
1077
|
|
-
|
1078
|
|
- read += blit->read_line;
|
1079
|
|
- write += blit->write_line;
|
1080
|
|
- y--;
|
1081
|
|
- }
|
1082
|
|
- while (y > 0);
|
1083
|
|
- }
|
1084
|
|
-
|
1085
|
|
-
|
1086
|
|
-/**************************************************************************/
|
1087
|
|
-/* */
|
1088
|
|
-/* <Function> blit_gray_to_24 */
|
1089
|
|
-/* */
|
1090
|
|
-/**************************************************************************/
|
1091
|
|
-
|
1092
|
|
-#ifdef GRAY8
|
1093
|
|
- static void
|
1094
|
|
- blit_gray8_to_24( grBlitter* blit,
|
1095
|
|
- grColor color )
|
1096
|
|
- {
|
1097
|
|
- int y;
|
1098
|
|
- int sr = color.chroma[0];
|
1099
|
|
- int sg = color.chroma[1];
|
1100
|
|
- int sb = color.chroma[2];
|
1101
|
|
- unsigned char* read;
|
1102
|
|
- unsigned char* write;
|
1103
|
|
-
|
1104
|
|
- read = blit->read + blit->xread;
|
1105
|
|
- write = blit->write + 3*blit->xwrite;
|
1106
|
|
-
|
1107
|
|
- y = blit->height;
|
1108
|
|
- do
|
1109
|
|
- {
|
1110
|
|
- unsigned char* _read = read;
|
1111
|
|
- unsigned char* _write = write;
|
1112
|
|
- int x = blit->width;
|
1113
|
|
-
|
1114
|
|
- while (x > 0)
|
1115
|
|
- {
|
1116
|
|
- unsigned char val = *_read;
|
1117
|
|
-
|
1118
|
|
- if (val)
|
1119
|
|
- {
|
1120
|
|
- if (val >= 254)
|
1121
|
|
- {
|
1122
|
|
- _write[0] = (unsigned char)sr;
|
1123
|
|
- _write[1] = (unsigned char)sg;
|
1124
|
|
- _write[2] = (unsigned char)sb;
|
1125
|
|
- }
|
1126
|
|
- else if ( val >= 2 )
|
1127
|
|
- {
|
1128
|
|
- int dr = _write[0];
|
1129
|
|
- int dg = _write[1];
|
1130
|
|
- int db = _write[2];
|
1131
|
|
-
|
1132
|
|
- dr += ((sr-dr)*val) >> 8;
|
1133
|
|
- dg += ((sg-dg)*val) >> 8;
|
1134
|
|
- db += ((sb-db)*val) >> 8;
|
1135
|
|
-
|
1136
|
|
- _write[0] = (unsigned char)dr;
|
1137
|
|
- _write[1] = (unsigned char)dg;
|
1138
|
|
- _write[2] = (unsigned char)db;
|
1139
|
|
- }
|
1140
|
|
- }
|
1141
|
|
- _write += 3;
|
1142
|
|
- _read ++;
|
1143
|
|
- x--;
|
1144
|
|
- }
|
1145
|
|
-
|
1146
|
|
- read += blit->read_line;
|
1147
|
|
- write += blit->write_line;
|
1148
|
|
- y--;
|
1149
|
|
- }
|
1150
|
|
- while (y > 0);
|
1151
|
|
- }
|
1152
|
|
-#endif /* GRAY8 */
|
1153
|
|
-
|
1154
|
|
-
|
1155
|
|
- static
|
1156
|
|
- void blit_gray_to_24( grBlitter* blit,
|
1157
|
|
- grColor color,
|
1158
|
|
- int max )
|
1159
|
|
- {
|
1160
|
|
- int y;
|
1161
|
|
- unsigned char* read;
|
1162
|
|
- unsigned char* write;
|
1163
|
|
-
|
1164
|
|
- read = blit->read + blit->xread;
|
1165
|
|
- write = blit->write + 3*blit->xwrite;
|
1166
|
|
-
|
1167
|
|
- y = blit->height;
|
1168
|
|
- do
|
1169
|
|
- {
|
1170
|
|
- unsigned char* _read = read;
|
1171
|
|
- unsigned char* _write = write;
|
1172
|
|
- int x = blit->width;
|
1173
|
|
-
|
1174
|
|
- while (x > 0)
|
1175
|
|
- {
|
1176
|
|
- int val = *_read;
|
1177
|
|
-
|
1178
|
|
- if (val)
|
1179
|
|
- {
|
1180
|
|
- if (val == max)
|
1181
|
|
- {
|
1182
|
|
- _write[0] = color.chroma[0];
|
1183
|
|
- _write[1] = color.chroma[1];
|
1184
|
|
- _write[2] = color.chroma[2];
|
1185
|
|
- }
|
1186
|
|
- else
|
1187
|
|
- {
|
1188
|
|
- /* compose gray value */
|
1189
|
|
- grColor pix;
|
1190
|
|
-
|
1191
|
|
- pix.chroma[0] = _write[0];
|
1192
|
|
- pix.chroma[1] = _write[1];
|
1193
|
|
- pix.chroma[2] = _write[2];
|
1194
|
|
-
|
1195
|
|
- compose_pixel( pix, color, val, max );
|
1196
|
|
-
|
1197
|
|
- _write[0] = pix.chroma[0];
|
1198
|
|
- _write[1] = pix.chroma[1];
|
1199
|
|
- _write[2] = pix.chroma[2];
|
1200
|
|
- }
|
1201
|
|
- }
|
1202
|
|
- _write += 3;
|
1203
|
|
- _read ++;
|
1204
|
|
- x--;
|
1205
|
|
- }
|
1206
|
|
-
|
1207
|
|
- read += blit->read_line;
|
1208
|
|
- write += blit->write_line;
|
1209
|
|
- y--;
|
1210
|
|
- }
|
1211
|
|
- while (y > 0);
|
1212
|
|
- }
|
1213
|
|
-
|
1214
|
|
-
|
1215
|
|
-/**************************************************************************/
|
1216
|
|
-/* */
|
1217
|
|
-/* <Function> blit_gray_to_32 */
|
1218
|
|
-/* */
|
1219
|
|
-/**************************************************************************/
|
1220
|
|
-
|
1221
|
|
- static
|
1222
|
|
- void blit_gray_to_32( grBlitter* blit,
|
1223
|
|
- grColor color,
|
1224
|
|
- int max )
|
1225
|
|
- {
|
1226
|
|
- int y;
|
1227
|
|
- unsigned char* read;
|
1228
|
|
- unsigned char* write;
|
1229
|
|
-
|
1230
|
|
- read = blit->read + blit->xread;
|
1231
|
|
- write = blit->write + 4*blit->xwrite;
|
1232
|
|
-
|
1233
|
|
- y = blit->height;
|
1234
|
|
- do
|
1235
|
|
- {
|
1236
|
|
- unsigned char* _read = read;
|
1237
|
|
- unsigned char* _write = write;
|
1238
|
|
- int x = blit->width;
|
1239
|
|
-
|
1240
|
|
- while (x > 0)
|
1241
|
|
- {
|
1242
|
|
- int val = *_read;
|
1243
|
|
-
|
1244
|
|
- if (val)
|
1245
|
|
- {
|
1246
|
|
- if (val == max)
|
1247
|
|
- {
|
1248
|
|
- _write[0] = color.chroma[0];
|
1249
|
|
- _write[1] = color.chroma[1];
|
1250
|
|
- _write[2] = color.chroma[2];
|
1251
|
|
- _write[3] = color.chroma[3];
|
1252
|
|
- }
|
1253
|
|
- else
|
1254
|
|
- {
|
1255
|
|
- /* compose gray value */
|
1256
|
|
- grColor pix;
|
1257
|
|
-
|
1258
|
|
- pix.chroma[0] = _write[0];
|
1259
|
|
- pix.chroma[1] = _write[1];
|
1260
|
|
- pix.chroma[2] = _write[2];
|
1261
|
|
-
|
1262
|
|
- compose_pixel( pix, color, val, max );
|
1263
|
|
-
|
1264
|
|
- _write[0] = pix.chroma[0];
|
1265
|
|
- _write[1] = pix.chroma[1];
|
1266
|
|
- _write[2] = pix.chroma[2];
|
1267
|
|
- }
|
1268
|
|
- }
|
1269
|
|
- _write += 4;
|
1270
|
|
- _read ++;
|
1271
|
|
- x--;
|
1272
|
|
- }
|
1273
|
|
-
|
1274
|
|
- read += blit->read_line;
|
1275
|
|
- write += blit->write_line;
|
1276
|
|
- y--;
|
1277
|
|
- }
|
1278
|
|
- while (y > 0);
|
1279
|
|
- }
|
1280
|
|
-
|
1281
|
|
-
|
1282
|
|
- static
|
1283
|
|
- void blit_gray8_to_32( grBlitter* blit,
|
1284
|
|
- grColor color )
|
1285
|
|
- {
|
1286
|
|
- blit_gray_to_32( blit, color, 255 );
|
1287
|
|
- }
|
1288
|
|
-
|
1289
|
|
-
|
1290
|
|
-/**************************************************************************/
|
1291
|
|
-/* */
|
1292
|
|
-/* <Function> blit_lcd_to_24 */
|
1293
|
|
-/* */
|
1294
|
|
-/**************************************************************************/
|
1295
|
|
-
|
1296
|
|
-#ifdef GRAY8
|
1297
|
|
- static void
|
1298
|
|
- blit_lcd8_to_24( grBlitter* blit,
|
1299
|
|
- grColor color )
|
1300
|
|
- {
|
1301
|
|
- int y;
|
1302
|
|
- int sr = color.chroma[0];
|
1303
|
|
- int sg = color.chroma[1];
|
1304
|
|
- int sb = color.chroma[2];
|
1305
|
|
- unsigned char* read;
|
1306
|
|
- unsigned char* write;
|
1307
|
|
-
|
1308
|
|
- read = blit->read + 3*blit->xread;
|
1309
|
|
- write = blit->write + 3*blit->xwrite;
|
1310
|
|
-
|
1311
|
|
- y = blit->height;
|
1312
|
|
- do
|
1313
|
|
- {
|
1314
|
|
- unsigned char* _read = read;
|
1315
|
|
- unsigned char* _write = write;
|
1316
|
|
- int x = blit->width;
|
1317
|
|
-
|
1318
|
|
- while (x > 0)
|
1319
|
|
- {
|
1320
|
|
- int val0 = _read[0];
|
1321
|
|
- int val1 = _read[1];
|
1322
|
|
- int val2 = _read[2];
|
1323
|
|
-
|
1324
|
|
- if ( val0 | val1 | val2 )
|
1325
|
|
- {
|
1326
|
|
- if ( val0 == val1 &&
|
1327
|
|
- val0 == val2 &&
|
1328
|
|
- val0 == 255 )
|
1329
|
|
- {
|
1330
|
|
- _write[0] = (unsigned char)sr;
|
1331
|
|
- _write[1] = (unsigned char)sg;
|
1332
|
|
- _write[2] = (unsigned char)sb;
|
1333
|
|
- }
|
1334
|
|
- else
|
1335
|
|
- {
|
1336
|
|
- /* compose gray value */
|
1337
|
|
- int dr, dg, db;
|
1338
|
|
-
|
1339
|
|
- dr = _write[0];
|
1340
|
|
- dr += (sr-dr)*val0 >> 8;
|
1341
|
|
-
|
1342
|
|
- dg = _write[1];
|
1343
|
|
- dg += (sg-dg)*val1 >> 8;
|
1344
|
|
-
|
1345
|
|
- db = _write[2];
|
1346
|
|
- db += (sb-db)*val2 >> 8;
|
1347
|
|
-
|
1348
|
|
- _write[0] = (unsigned char)dr;
|
1349
|
|
- _write[1] = (unsigned char)dg;
|
1350
|
|
- _write[2] = (unsigned char)db;
|
1351
|
|
- }
|
1352
|
|
- }
|
1353
|
|
- _write += 3;
|
1354
|
|
- _read += 3;
|
1355
|
|
- x--;
|
1356
|
|
- }
|
1357
|
|
-
|
1358
|
|
- read += blit->read_line;
|
1359
|
|
- write += blit->write_line;
|
1360
|
|
- y--;
|
1361
|
|
- }
|
1362
|
|
- while (y > 0);
|
1363
|
|
- }
|
1364
|
|
-#endif /* GRAY8 */
|
1365
|
|
-
|
1366
|
|
- static void
|
1367
|
|
- blit_lcd_to_24( grBlitter* blit,
|
1368
|
|
- grColor color,
|
1369
|
|
- int max )
|
1370
|
|
- {
|
1371
|
|
- int y;
|
1372
|
|
- unsigned char* read;
|
1373
|
|
- unsigned char* write;
|
1374
|
|
-
|
1375
|
|
- read = blit->read + 3*blit->xread;
|
1376
|
|
- write = blit->write + 3*blit->xwrite;
|
1377
|
|
-
|
1378
|
|
- y = blit->height;
|
1379
|
|
- do
|
1380
|
|
- {
|
1381
|
|
- unsigned char* _read = read;
|
1382
|
|
- unsigned char* _write = write;
|
1383
|
|
- int x = blit->width;
|
1384
|
|
-
|
1385
|
|
- while (x > 0)
|
1386
|
|
- {
|
1387
|
|
- int val0 = _read[0];
|
1388
|
|
- int val1 = _read[1];
|
1389
|
|
- int val2 = _read[2];
|
1390
|
|
-
|
1391
|
|
- if ( val0 | val1 | val2 )
|
1392
|
|
- {
|
1393
|
|
- if ( val0 == val1 &&
|
1394
|
|
- val0 == val2 &&
|
1395
|
|
- val0 == max )
|
1396
|
|
- {
|
1397
|
|
- _write[0] = color.chroma[0];
|
1398
|
|
- _write[1] = color.chroma[1];
|
1399
|
|
- _write[2] = color.chroma[2];
|
1400
|
|
- }
|
1401
|
|
- else
|
1402
|
|
- {
|
1403
|
|
- /* compose gray value */
|
1404
|
|
- grColor pix;
|
1405
|
|
-
|
1406
|
|
- pix.chroma[0] = _write[0];
|
1407
|
|
- pix.chroma[1] = _write[1];
|
1408
|
|
- pix.chroma[2] = _write[2];
|
1409
|
|
-
|
1410
|
|
- compose_pixel_full( pix, color, val0, val1, val2, max );
|
1411
|
|
-
|
1412
|
|
- _write[0] = pix.chroma[0];
|
1413
|
|
- _write[1] = pix.chroma[1];
|
1414
|
|
- _write[2] = pix.chroma[2];
|
1415
|
|
- }
|
1416
|
|
- }
|
1417
|
|
- _write += 3;
|
1418
|
|
- _read += 3;
|
1419
|
|
- x--;
|
1420
|
|
- }
|
1421
|
|
-
|
1422
|
|
- read += blit->read_line;
|
1423
|
|
- write += blit->write_line;
|
1424
|
|
- y--;
|
1425
|
|
- }
|
1426
|
|
- while (y > 0);
|
1427
|
|
- }
|
1428
|
|
-
|
1429
|
|
-
|
1430
|
|
-#ifdef GRAY8
|
1431
|
|
- static void
|
1432
|
|
- blit_lcd28_to_24( grBlitter* blit,
|
1433
|
|
- grColor color )
|
1434
|
|
- {
|
1435
|
|
- int y;
|
1436
|
|
- int sr = color.chroma[0];
|
1437
|
|
- int sg = color.chroma[1];
|
1438
|
|
- int sb = color.chroma[2];
|
1439
|
|
- unsigned char* read;
|
1440
|
|
- unsigned char* write;
|
1441
|
|
-
|
1442
|
|
- read = blit->read + 3*blit->xread;
|
1443
|
|
- write = blit->write + 3*blit->xwrite;
|
1444
|
|
-
|
1445
|
|
- y = blit->height;
|
1446
|
|
- do
|
1447
|
|
- {
|
1448
|
|
- unsigned char* _read = read;
|
1449
|
|
- unsigned char* _write = write;
|
1450
|
|
- int x = blit->width;
|
1451
|
|
-
|
1452
|
|
- while (x > 0)
|
1453
|
|
- {
|
1454
|
|
- int val0 = _read[2];
|
1455
|
|
- int val1 = _read[1];
|
1456
|
|
- int val2 = _read[0];
|
1457
|
|
-
|
1458
|
|
- if ( val0 | val1 | val2 )
|
1459
|
|
- {
|
1460
|
|
- if ( val0 == val1 &&
|
1461
|
|
- val0 == val2 &&
|
1462
|
|
- val0 == 255 )
|
1463
|
|
- {
|
1464
|
|
- _write[0] = (unsigned char)sr;
|
1465
|
|
- _write[1] = (unsigned char)sg;
|
1466
|
|
- _write[2] = (unsigned char)sb;
|
1467
|
|
- }
|
1468
|
|
- else
|
1469
|
|
- {
|
1470
|
|
- /* compose gray value */
|
1471
|
|
- int dr, dg, db;
|
1472
|
|
-
|
1473
|
|
- dr = _write[0];
|
1474
|
|
- dr += (sr-dr)*val0 >> 8;
|
1475
|
|
-
|
1476
|
|
- dg = _write[1];
|
1477
|
|
- dg += (sg-dg)*val1 >> 8;
|
1478
|
|
-
|
1479
|
|
- db = _write[2];
|
1480
|
|
- db += (sb-db)*val2 >> 8;
|
1481
|
|
-
|
1482
|
|
- _write[0] = (unsigned char)dr;
|
1483
|
|
- _write[1] = (unsigned char)dg;
|
1484
|
|
- _write[2] = (unsigned char)db;
|
1485
|
|
- }
|
1486
|
|
- }
|
1487
|
|
- _write += 3;
|
1488
|
|
- _read += 3;
|
1489
|
|
- x--;
|
1490
|
|
- }
|
1491
|
|
-
|
1492
|
|
- read += blit->read_line;
|
1493
|
|
- write += blit->write_line;
|
1494
|
|
- y--;
|
1495
|
|
- }
|
1496
|
|
- while (y > 0);
|
1497
|
|
- }
|
1498
|
|
-#endif /* GRAY8 */
|
1499
|
|
-
|
1500
|
|
- static void
|
1501
|
|
- blit_lcd2_to_24( grBlitter* blit,
|
1502
|
|
- grColor color,
|
1503
|
|
- int max )
|
1504
|
|
- {
|
1505
|
|
- int y;
|
1506
|
|
- unsigned char* read;
|
1507
|
|
- unsigned char* write;
|
1508
|
|
-
|
1509
|
|
- read = blit->read + 3*blit->xread;
|
1510
|
|
- write = blit->write + 3*blit->xwrite;
|
1511
|
|
-
|
1512
|
|
- y = blit->height;
|
1513
|
|
- do
|
1514
|
|
- {
|
1515
|
|
- unsigned char* _read = read;
|
1516
|
|
- unsigned char* _write = write;
|
1517
|
|
- int x = blit->width;
|
1518
|
|
-
|
1519
|
|
- while (x > 0)
|
1520
|
|
- {
|
1521
|
|
- int val0 = _read[2];
|
1522
|
|
- int val1 = _read[1];
|
1523
|
|
- int val2 = _read[0];
|
1524
|
|
-
|
1525
|
|
- if ( val0 | val1 | val2 )
|
1526
|
|
- {
|
1527
|
|
- if ( val0 == val1 &&
|
1528
|
|
- val0 == val2 &&
|
1529
|
|
- val0 == max )
|
1530
|
|
- {
|
1531
|
|
- _write[0] = color.chroma[0];
|
1532
|
|
- _write[1] = color.chroma[1];
|
1533
|
|
- _write[2] = color.chroma[2];
|
1534
|
|
- }
|
1535
|
|
- else
|
1536
|
|
- {
|
1537
|
|
- /* compose gray value */
|
1538
|
|
- grColor pix;
|
1539
|
|
-
|
1540
|
|
- pix.chroma[0] = _write[0];
|
1541
|
|
- pix.chroma[1] = _write[1];
|
1542
|
|
- pix.chroma[2] = _write[2];
|
1543
|
|
-
|
1544
|
|
- compose_pixel_full( pix, color, val0, val1, val2, max );
|
1545
|
|
-
|
1546
|
|
- _write[0] = pix.chroma[0];
|
1547
|
|
- _write[1] = pix.chroma[1];
|
1548
|
|
- _write[2] = pix.chroma[2];
|
1549
|
|
- }
|
1550
|
|
- }
|
1551
|
|
- _write += 3;
|
1552
|
|
- _read += 3;
|
1553
|
|
- x--;
|
1554
|
|
- }
|
1555
|
|
-
|
1556
|
|
- read += blit->read_line;
|
1557
|
|
- write += blit->write_line;
|
1558
|
|
- y--;
|
1559
|
|
- }
|
1560
|
|
- while (y > 0);
|
1561
|
|
- }
|
1562
|
|
-
|
1563
|
|
-
|
1564
|
|
-/**************************************************************************/
|
1565
|
|
-/* */
|
1566
|
|
-/* <Function> blit_lcdv_to_24 */
|
1567
|
|
-/* */
|
1568
|
|
-/**************************************************************************/
|
1569
|
|
-
|
1570
|
|
- static void
|
1571
|
|
- blit_lcdv_to_24( grBlitter* blit,
|
1572
|
|
- grColor color,
|
1573
|
|
- int max )
|
1574
|
|
- {
|
1575
|
|
- int y;
|
1576
|
|
- unsigned char* read;
|
1577
|
|
- unsigned char* write;
|
1578
|
|
- long line;
|
1579
|
|
-
|
1580
|
|
- read = blit->read + blit->xread;
|
1581
|
|
- write = blit->write + 3*blit->xwrite;
|
1582
|
|
- line = blit->read_line;
|
1583
|
|
-
|
1584
|
|
- y = blit->height;
|
1585
|
|
- do
|
1586
|
|
- {
|
1587
|
|
- unsigned char* _read = read;
|
1588
|
|
- unsigned char* _write = write;
|
1589
|
|
- int x = blit->width;
|
1590
|
|
-
|
1591
|
|
- while (x > 0)
|
1592
|
|
- {
|
1593
|
|
- int val0 = _read[0*line];
|
1594
|
|
- int val1 = _read[1*line];
|
1595
|
|
- int val2 = _read[2*line];
|
1596
|
|
-
|
1597
|
|
- if ( val0 | val1 | val2 )
|
1598
|
|
- {
|
1599
|
|
- if ( val0 == val1 &&
|
1600
|
|
- val0 == val2 &&
|
1601
|
|
- val0 == max )
|
1602
|
|
- {
|
1603
|
|
- _write[0] = color.chroma[0];
|
1604
|
|
- _write[1] = color.chroma[1];
|
1605
|
|
- _write[2] = color.chroma[2];
|
1606
|
|
- }
|
1607
|
|
- else
|
1608
|
|
- {
|
1609
|
|
- /* compose gray value */
|
1610
|
|
- grColor pix;
|
1611
|
|
-
|
1612
|
|
- pix.chroma[0] = _write[0];
|
1613
|
|
- pix.chroma[1] = _write[1];
|
1614
|
|
- pix.chroma[2] = _write[2];
|
1615
|
|
-
|
1616
|
|
- compose_pixel_full( pix, color, val0, val1, val2, max );
|
1617
|
|
-
|
1618
|
|
- _write[0] = pix.chroma[0];
|
1619
|
|
- _write[1] = pix.chroma[1];
|
1620
|
|
- _write[2] = pix.chroma[2];
|
1621
|
|
- }
|
1622
|
|
- }
|
1623
|
|
- _write += 3;
|
1624
|
|
- _read += 1;
|
1625
|
|
- x--;
|
1626
|
|
- }
|
1627
|
|
-
|
1628
|
|
- read += 3*line;
|
1629
|
|
- write += blit->write_line;
|
1630
|
|
- y--;
|
1631
|
|
- }
|
1632
|
|
- while (y > 0);
|
1633
|
|
- }
|
1634
|
|
-
|
1635
|
|
-
|
1636
|
|
- static void
|
1637
|
|
- blit_lcdv2_to_24( grBlitter* blit,
|
1638
|
|
- grColor color,
|
1639
|
|
- int max )
|
1640
|
|
- {
|
1641
|
|
- int y;
|
1642
|
|
- unsigned char* read;
|
1643
|
|
- unsigned char* write;
|
1644
|
|
- long line;
|
1645
|
|
-
|
1646
|
|
- read = blit->read + blit->xread;
|
1647
|
|
- write = blit->write + 3*blit->xwrite;
|
1648
|
|
- line = blit->read_line;
|
1649
|
|
-
|
1650
|
|
- y = blit->height;
|
1651
|
|
- do
|
1652
|
|
- {
|
1653
|
|
- unsigned char* _read = read;
|
1654
|
|
- unsigned char* _write = write;
|
1655
|
|
- int x = blit->width;
|
1656
|
|
-
|
1657
|
|
- while (x > 0)
|
1658
|
|
- {
|
1659
|
|
- int val0 = _read[2*line];
|
1660
|
|
- int val1 = _read[1*line];
|
1661
|
|
- int val2 = _read[0*line];
|
1662
|
|
-
|
1663
|
|
- if ( val0 | val1 | val2 )
|
1664
|
|
- {
|
1665
|
|
- if ( val0 == val1 &&
|
1666
|
|
- val0 == val2 &&
|
1667
|
|
- val0 == max )
|
1668
|
|
- {
|
1669
|
|
- _write[0] = color.chroma[0];
|
1670
|
|
- _write[1] = color.chroma[1];
|
1671
|
|
- _write[2] = color.chroma[2];
|
1672
|
|
- }
|
1673
|
|
- else
|
1674
|
|
- {
|
1675
|
|
- /* compose gray value */
|
1676
|
|
- grColor pix;
|
1677
|
|
-
|
1678
|
|
- pix.chroma[0] = _write[0];
|
1679
|
|
- pix.chroma[1] = _write[1];
|
1680
|
|
- pix.chroma[2] = _write[2];
|
1681
|
|
-
|
1682
|
|
- compose_pixel_full( pix, color, val0, val1, val2, max );
|
1683
|
|
-
|
1684
|
|
- _write[0] = pix.chroma[0];
|
1685
|
|
- _write[1] = pix.chroma[1];
|
1686
|
|
- _write[2] = pix.chroma[2];
|
1687
|
|
- }
|
1688
|
|
- }
|
1689
|
|
- _write += 3;
|
1690
|
|
- _read += 1;
|
1691
|
|
- x--;
|
1692
|
|
- }
|
1693
|
|
-
|
1694
|
|
- read += 3*line;
|
1695
|
|
- write += blit->write_line;
|
1696
|
|
- y--;
|
1697
|
|
- }
|
1698
|
|
- while (y > 0);
|
1699
|
|
- }
|
1700
|
|
-
|
1701
|
|
-
|
1702
|
|
- typedef void (*grColorGlyphBlitter)( grBlitter* blit,
|
1703
|
|
- grColor color,
|
1704
|
|
- int max_gray );
|
1705
|
|
-
|
1706
|
|
- static
|
1707
|
|
- const grColorGlyphBlitter gr_color_blitters[gr_pixel_mode_max] =
|
1708
|
|
- {
|
1709
|
|
- 0,
|
1710
|
|
- 0,
|
1711
|
|
- 0,
|
1712
|
|
- 0,
|
1713
|
|
- 0,
|
1714
|
|
- blit_gray_to_555,
|
1715
|
|
- blit_gray_to_565,
|
1716
|
|
- blit_gray_to_24,
|
1717
|
|
- blit_gray_to_32
|
1718
|
|
- };
|
1719
|
|
-
|
1720
|
|
-#ifdef GRAY8
|
1721
|
|
- typedef void (*grGray8GlyphBlitter)( grBlitter* blit,
|
1722
|
|
- grColor color );
|
1723
|
|
-
|
1724
|
|
- static
|
1725
|
|
- const grGray8GlyphBlitter gr_gray8_blitters[gr_pixel_mode_max] =
|
1726
|
|
- {
|
1727
|
|
- 0,
|
1728
|
|
- 0,
|
1729
|
|
- 0,
|
1730
|
|
- 0,
|
1731
|
|
- 0,
|
1732
|
|
- blit_gray8_to_555,
|
1733
|
|
- blit_gray8_to_565,
|
1734
|
|
- blit_gray8_to_24,
|
1735
|
|
- blit_gray8_to_32
|
1736
|
|
- };
|
1737
|
|
-#endif
|
1738
|
|
-
|
1739
|
|
-
|
1740
|
|
- int
|
1741
|
|
- grBlitGlyphToBitmap( grBitmap* target,
|
1742
|
|
- grBitmap* glyph,
|
1743
|
|
- grPos x,
|
1744
|
|
- grPos y,
|
1745
|
|
- grColor color )
|
1746
|
|
- {
|
1747
|
|
- grBlitter blit;
|
1748
|
|
- grPixelMode mode;
|
1749
|
|
-
|
1750
|
|
-
|
1751
|
|
- /* check arguments */
|
1752
|
|
- if ( !target || !glyph )
|
1753
|
|
- {
|
1754
|
|
- grError = gr_err_bad_argument;
|
1755
|
|
- return -1;
|
1756
|
|
- }
|
1757
|
|
-
|
1758
|
|
- if ( !glyph->rows || !glyph->width )
|
1759
|
|
- {
|
1760
|
|
- /* nothing to do */
|
1761
|
|
- return 0;
|
1762
|
|
- }
|
1763
|
|
-
|
1764
|
|
- /* set up blitter and compute clipping. Return immediately if needed */
|
1765
|
|
- blit.source = *glyph;
|
1766
|
|
- blit.target = *target;
|
1767
|
|
- mode = target->mode;
|
1768
|
|
-
|
1769
|
|
- if ( compute_clips( &blit, x, y ) )
|
1770
|
|
- return 0;
|
1771
|
|
-
|
1772
|
|
- switch ( glyph->mode )
|
1773
|
|
- {
|
1774
|
|
- case gr_pixel_mode_mono: /* handle monochrome bitmap blitting */
|
1775
|
|
- if ( mode <= gr_pixel_mode_none || mode >= gr_pixel_mode_max )
|
1776
|
|
- {
|
1777
|
|
- grError = gr_err_bad_source_depth;
|
1778
|
|
- return -1;
|
1779
|
|
- }
|
1780
|
|
-
|
1781
|
|
- gr_mono_blitters[mode]( &blit, color );
|
1782
|
|
- break;
|
1783
|
|
-
|
1784
|
|
- case gr_pixel_mode_gray:
|
1785
|
|
- if ( glyph->grays > 1 )
|
1786
|
|
- {
|
1787
|
|
- int target_grays = target->grays;
|
1788
|
|
- int source_grays = glyph->grays;
|
1789
|
|
- const byte* saturation;
|
1790
|
|
-
|
1791
|
|
-
|
1792
|
|
- if ( mode == gr_pixel_mode_gray && target_grays > 1 )
|
1793
|
|
- {
|
1794
|
|
- /* rendering into a gray target - use special composition */
|
1795
|
|
- /* routines.. */
|
1796
|
|
- if ( gr_last_saturation->count == target_grays )
|
1797
|
|
- saturation = gr_last_saturation->table;
|
1798
|
|
- else
|
1799
|
|
- {
|
1800
|
|
- saturation = grGetSaturation( target_grays );
|
1801
|
|
- if ( !saturation )
|
1802
|
|
- return -3;
|
1803
|
|
- }
|
1804
|
|
-
|
1805
|
|
- if ( target_grays == source_grays )
|
1806
|
|
- blit_gray_to_gray_simple( &blit, saturation );
|
1807
|
|
- else
|
1808
|
|
- {
|
1809
|
|
- const byte* conversion;
|
1810
|
|
-
|
1811
|
|
-
|
1812
|
|
- if ( gr_last_conversion->target_grays == target_grays &&
|
1813
|
|
- gr_last_conversion->source_grays == source_grays )
|
1814
|
|
- conversion = gr_last_conversion->table;
|
1815
|
|
- else
|
1816
|
|
- {
|
1817
|
|
- conversion = grGetConversion( target_grays, source_grays );
|
1818
|
|
- if ( !conversion )
|
1819
|
|
- return -3;
|
1820
|
|
- }
|
1821
|
|
-
|
1822
|
|
- blit_gray_to_gray( &blit, saturation, conversion );
|
1823
|
|
- }
|
1824
|
|
- }
|
1825
|
|
- else
|
1826
|
|
- {
|
1827
|
|
- /* rendering into a color target */
|
1828
|
|
- if ( mode <= gr_pixel_mode_gray ||
|
1829
|
|
- mode >= gr_pixel_mode_max )
|
1830
|
|
- {
|
1831
|
|
- grError = gr_err_bad_target_depth;
|
1832
|
|
- return -1;
|
1833
|
|
- }
|
1834
|
|
-
|
1835
|
|
-#ifdef GRAY8
|
1836
|
|
- if ( source_grays == 256 )
|
1837
|
|
- gr_gray8_blitters[mode]( &blit, color );
|
1838
|
|
- else
|
1839
|
|
-#endif /* GRAY8 */
|
1840
|
|
- gr_color_blitters[mode]( &blit, color, source_grays - 1 );
|
1841
|
|
- }
|
1842
|
|
- }
|
1843
|
|
- break;
|
1844
|
|
-
|
1845
|
|
- case gr_pixel_mode_lcd:
|
1846
|
|
- if ( mode == gr_pixel_mode_rgb24 )
|
1847
|
|
- {
|
1848
|
|
-#ifdef GRAY8
|
1849
|
|
- if ( glyph->grays == 256 )
|
1850
|
|
- blit_lcd8_to_24( &blit, color );
|
1851
|
|
- else
|
1852
|
|
-#endif
|
1853
|
|
- if ( glyph->grays > 1 )
|
1854
|
|
- blit_lcd_to_24( &blit, color, glyph->grays-1 );
|
1855
|
|
- }
|
1856
|
|
- break;
|
1857
|
|
-
|
1858
|
|
-
|
1859
|
|
- case gr_pixel_mode_lcdv:
|
1860
|
|
- if ( glyph->grays > 1 && mode == gr_pixel_mode_rgb24 )
|
1861
|
|
- {
|
1862
|
|
- blit_lcdv_to_24( &blit, color, glyph->grays-1 );
|
1863
|
|
- break;
|
1864
|
|
- }
|
1865
|
|
- /* fall through */
|
1866
|
|
-
|
1867
|
|
- case gr_pixel_mode_lcd2:
|
1868
|
|
- if ( mode == gr_pixel_mode_rgb24 )
|
1869
|
|
- {
|
1870
|
|
-#ifdef GRAY8
|
1871
|
|
- if ( glyph->grays == 256 )
|
1872
|
|
- blit_lcd28_to_24( &blit, color );
|
1873
|
|
- else
|
1874
|
|
-#endif
|
1875
|
|
- if ( glyph->grays > 1 )
|
1876
|
|
- blit_lcd2_to_24( &blit, color, glyph->grays-1 );
|
1877
|
|
- }
|
1878
|
|
- break;
|
1879
|
|
-
|
1880
|
|
- case gr_pixel_mode_lcdv2:
|
1881
|
|
- if ( mode == gr_pixel_mode_rgb24 )
|
1882
|
|
- {
|
1883
|
|
- if ( glyph->grays > 1 )
|
1884
|
|
- blit_lcdv2_to_24( &blit, color, glyph->grays-1 );
|
1885
|
|
- }
|
1886
|
|
- break;
|
1887
|
|
-
|
1888
|
|
- default:
|
1889
|
|
- /* we don't support the blitting of bitmaps of the following */
|
1890
|
|
- /* types : pal4, pal8, rgb555, rgb565, rgb24, rgb32 */
|
1891
|
|
- /* */
|
1892
|
|
- grError = gr_err_bad_source_depth;
|
1893
|
|
- return -2;
|
1894
|
|
- }
|
1895
|
|
-
|
1896
|
|
- return 0;
|
1897
|
|
- }
|
1898
|
|
-
|
1899
|
|
-
|
1900
|
|
- void
|
1901
|
|
- grBlitClean( void )
|
1902
|
|
- {
|
1903
|
|
- while ( gr_num_saturations > 2 )
|
1904
|
|
- free( (byte*)gr_saturations[gr_num_saturations--].table );
|
1905
|
|
-
|
1906
|
|
- while ( gr_num_conversions > 3 )
|
1907
|
|
- free( (byte*)gr_conversions[gr_num_conversions--].table );
|
1908
|
|
- }
|
1909
|
|
-
|
1910
|
|
-
|
1911
|
|
-/* End */
|