… | |
… | |
42 | } psiconv_pixel_floats_t; |
42 | } psiconv_pixel_floats_t; |
43 | |
43 | |
44 | static int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels, |
44 | static int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels, |
45 | int xsize,int ysize, |
45 | int xsize,int ysize, |
46 | const psiconv_pixel_floats_t data, |
46 | const psiconv_pixel_floats_t data, |
47 | int colordepth, |
47 | int colordepth,int color, |
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48 | int redbits,int greenbits,int bluebits, |
48 | const psiconv_pixel_floats_t palet); |
49 | const psiconv_pixel_floats_t palet); |
49 | static int psiconv_pixel_data_to_bytes(const psiconv_config config, |
50 | static int psiconv_pixel_data_to_bytes(const psiconv_config config, |
50 | psiconv_pixel_bytes *bytes, int xsize, |
51 | psiconv_pixel_bytes *bytes, int xsize, |
51 | int ysize, const psiconv_pixel_ints pixels, |
52 | int ysize, const psiconv_pixel_ints pixels, |
52 | int colordepth); |
53 | int colordepth); |
53 | static int psiconv_encode_rle8(const psiconv_config config, |
54 | static int psiconv_encode_rle8(const psiconv_config config, |
54 | const psiconv_pixel_bytes plain_bytes, |
55 | const psiconv_pixel_bytes plain_bytes, |
55 | psiconv_pixel_bytes *encoded_bytes); |
56 | psiconv_pixel_bytes *encoded_bytes); |
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57 | static int psiconv_encode_rle12(const psiconv_config config, |
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58 | const psiconv_pixel_bytes plain_bytes, |
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59 | psiconv_pixel_bytes *encoded_bytes); |
56 | static int psiconv_encode_rle16(const psiconv_config config, |
60 | static int psiconv_encode_rle16(const psiconv_config config, |
57 | const psiconv_pixel_bytes plain_bytes, |
61 | const psiconv_pixel_bytes plain_bytes, |
58 | psiconv_pixel_bytes *encoded_bytes); |
62 | psiconv_pixel_bytes *encoded_bytes); |
59 | static int psiconv_encode_rle24(const psiconv_config config, |
63 | static int psiconv_encode_rle24(const psiconv_config config, |
60 | const psiconv_pixel_bytes plain_bytes, |
64 | const psiconv_pixel_bytes plain_bytes, |
61 | psiconv_pixel_bytes *encoded_bytes); |
65 | psiconv_pixel_bytes *encoded_bytes); |
62 | |
66 | |
63 | #define PALET_GREY_2_LEN 4 |
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64 | float palet_grey_2_rgb[PALET_GREY_2_LEN] = {0.0/3, 1.0/3, 2.0/3, 3.0/3}; |
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65 | #define PALET_GREY_4_LEN 16 |
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66 | float palet_grey_4_rgb[PALET_GREY_4_LEN] = |
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67 | { 0.0/15, 1.0/15, 2.0/15, 3.0/15, |
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68 | 4.0/15, 5.0/15, 6.0/15, 7.0/15, |
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69 | 8.0/15, 9.0/15, 10.0/15, 11.0/15, |
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70 | 12.0/15, 13.0/15, 14.0/15, 15.0/15}; |
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71 | #define PALET_NONE_LEN 0 |
67 | #define PALET_NONE_LEN 0 |
72 | |
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73 | psiconv_pixel_floats_t palet_grey_2 = |
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74 | { |
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75 | PALET_GREY_2_LEN, |
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76 | (float *) palet_grey_2_rgb, |
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77 | (float *) palet_grey_2_rgb, |
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78 | (float *) palet_grey_2_rgb |
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79 | }; |
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80 | |
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81 | psiconv_pixel_floats_t palet_grey_4 = |
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82 | { |
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83 | PALET_GREY_4_LEN, |
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84 | (float *) palet_grey_4_rgb, |
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85 | (float *) palet_grey_4_rgb, |
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86 | (float *) palet_grey_4_rgb |
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87 | }; |
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88 | |
68 | |
89 | psiconv_pixel_floats_t palet_none = |
69 | psiconv_pixel_floats_t palet_none = |
90 | { |
70 | { |
91 | PALET_NONE_LEN, |
71 | PALET_NONE_LEN, |
92 | NULL, |
72 | NULL, |
93 | NULL, |
73 | NULL, |
94 | NULL |
74 | NULL |
95 | }; |
75 | }; |
96 | |
76 | |
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77 | #define PALET_COLOR_4_LEN 16 |
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78 | float palet_color_4_red[PALET_COLOR_4_LEN] = |
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79 | { 0x00/256.0, 0x55/256.0, 0x80/256.0, 0x80/256.0, /* 0x00 */ |
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80 | 0x00/256.0, 0xff/256.0, 0x00/256.0, 0xff/256.0, /* 0x04 */ |
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81 | 0xff/256.0, 0x00/256.0, 0x00/256.0, 0x80/256.0, /* 0x08 */ |
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82 | 0x00/256.0, 0x00/256.0, 0xaa/256.0, 0xff/256.0 /* 0x0c */ |
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83 | }; |
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84 | |
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85 | float palet_color_4_green[PALET_COLOR_4_LEN] = |
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86 | { 0x00/256.0, 0x55/256.0, 0x00/256.0, 0x80/256.0, /* 0x00 */ |
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87 | 0x80/256.0, 0x00/256.0, 0xff/256.0, 0xff/256.0, /* 0x04 */ |
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88 | 0x00/256.0, 0xff/256.0, 0xff/256.0, 0x00/256.0, /* 0x08 */ |
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89 | 0x00/256.0, 0x80/256.0, 0xaa/256.0, 0xff/256.0 /* 0x0c */ |
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90 | }; |
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91 | |
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92 | float palet_color_4_blue[PALET_COLOR_4_LEN] = |
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93 | { 0x00/256.0, 0x55/256.0, 0x00/256.0, 0x00/256.0, /* 0x00 */ |
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94 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x04 */ |
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95 | 0xff/256.0, 0x00/256.0, 0xff/256.0, 0x80/256.0, /* 0x08 */ |
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96 | 0x80/256.0, 0x80/256.0, 0xaa/256.0, 0xff/256.0 /* 0x0c */ |
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97 | }; |
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98 | |
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99 | psiconv_pixel_floats_t palet_color_4 = |
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100 | { |
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101 | PALET_COLOR_4_LEN, |
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102 | palet_color_4_red, |
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103 | palet_color_4_green, |
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104 | palet_color_4_blue, |
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105 | }; |
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106 | |
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107 | #define PALET_COLOR_8_LEN 256 |
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108 | float palet_color_8_red[PALET_COLOR_8_LEN] = |
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109 | { 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x00 */ |
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110 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x04 */ |
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111 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x08 */ |
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112 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x0c */ |
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113 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x10 */ |
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114 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x14 */ |
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115 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x18 */ |
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116 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x1c */ |
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117 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x20 */ |
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118 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x24 */ |
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119 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x28 */ |
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120 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x2c */ |
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121 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x30 */ |
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122 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x34 */ |
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123 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x38 */ |
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124 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x3c */ |
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125 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x40 */ |
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126 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x44 */ |
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127 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x48 */ |
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128 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x4c */ |
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129 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x50 */ |
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130 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x54 */ |
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131 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x58 */ |
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132 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x5c */ |
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133 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x60 */ |
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134 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x64 */ |
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135 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x68 */ |
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136 | 0x11/256.0, 0x22/256.0, 0x44/256.0, 0x55/256.0, /* 0x6c */ |
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137 | 0x77/256.0, 0x11/256.0, 0x22/256.0, 0x44/256.0, /* 0x70 */ |
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138 | 0x55/256.0, 0x77/256.0, 0x00/256.0, 0x00/256.0, /* 0x74 */ |
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139 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x78 */ |
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140 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x7c */ |
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141 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x80 */ |
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142 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x84 */ |
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143 | 0x00/256.0, 0x00/256.0, 0x88/256.0, 0xaa/256.0, /* 0x88 */ |
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144 | 0xbb/256.0, 0xdd/256.0, 0xee/256.0, 0x88/256.0, /* 0x8c */ |
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145 | 0xaa/256.0, 0xbb/256.0, 0xdd/256.0, 0xee/256.0, /* 0x90 */ |
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146 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0x94 */ |
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147 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0x98 */ |
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148 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0x9c */ |
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149 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xa0 */ |
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150 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xa4 */ |
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151 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0xa8 */ |
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152 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xac */ |
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153 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xb0 */ |
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154 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0xb4 */ |
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155 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xb8 */ |
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156 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xbc */ |
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157 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0xc0 */ |
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158 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xc4 */ |
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159 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xc8 */ |
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160 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0xcc */ |
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161 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xd0 */ |
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162 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xd4 */ |
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163 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0xd8 */ |
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164 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xdc */ |
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165 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xe0 */ |
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166 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0xe4 */ |
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167 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xe8 */ |
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168 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xec */ |
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169 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0, /* 0xf0 */ |
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170 | 0x00/256.0, 0x33/256.0, 0x66/256.0, 0x99/256.0, /* 0xf4 */ |
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171 | 0xcc/256.0, 0xff/256.0, 0x00/256.0, 0x33/256.0, /* 0xf8 */ |
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172 | 0x66/256.0, 0x99/256.0, 0xcc/256.0, 0xff/256.0 /* 0xfc */ |
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173 | }; |
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174 | |
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175 | float palet_color_8_green[PALET_COLOR_8_LEN] = |
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176 | { 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x00 */ |
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177 | 0x00/256.0, 0x00/256.0, 0x33/256.0, 0x33/256.0, /* 0x04 */ |
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178 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x08 */ |
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179 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x0c */ |
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180 | 0x66/256.0, 0x66/256.0, 0x99/256.0, 0x99/256.0, /* 0x10 */ |
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181 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0x14 */ |
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182 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0x18 */ |
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183 | 0xcc/256.0, 0xcc/256.0, 0xff/256.0, 0xff/256.0, /* 0x1c */ |
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184 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0x20 */ |
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185 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x24 */ |
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186 | 0x00/256.0, 0x00/256.0, 0x33/256.0, 0x33/256.0, /* 0x28 */ |
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187 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x2c */ |
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188 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x30 */ |
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189 | 0x66/256.0, 0x66/256.0, 0x99/256.0, 0x99/256.0, /* 0x34 */ |
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190 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0x38 */ |
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191 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0x3c */ |
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192 | 0xcc/256.0, 0xcc/256.0, 0xff/256.0, 0xff/256.0, /* 0x40 */ |
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193 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0x44 */ |
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194 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x48 */ |
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195 | 0x00/256.0, 0x00/256.0, 0x33/256.0, 0x33/256.0, /* 0x4c */ |
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196 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x50 */ |
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197 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x54 */ |
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198 | 0x66/256.0, 0x66/256.0, 0x99/256.0, 0x99/256.0, /* 0x58 */ |
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199 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0x5c */ |
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200 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0x60 */ |
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201 | 0xcc/256.0, 0xcc/256.0, 0xff/256.0, 0xff/256.0, /* 0x64 */ |
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202 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0x68 */ |
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203 | 0x11/256.0, 0x22/256.0, 0x44/256.0, 0x55/256.0, /* 0x6c */ |
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204 | 0x77/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x70 */ |
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205 | 0x00/256.0, 0x00/256.0, 0x11/256.0, 0x22/256.0, /* 0x74 */ |
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206 | 0x44/256.0, 0x55/256.0, 0x77/256.0, 0x00/256.0, /* 0x78 */ |
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207 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x7c */ |
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208 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x80 */ |
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209 | 0x00/256.0, 0x88/256.0, 0xaa/256.0, 0xbb/256.0, /* 0x84 */ |
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210 | 0xdd/256.0, 0xee/256.0, 0x00/256.0, 0x00/256.0, /* 0x88 */ |
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211 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x88/256.0, /* 0x8c */ |
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212 | 0xaa/256.0, 0xbb/256.0, 0xdd/256.0, 0xee/256.0, /* 0x90 */ |
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213 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x94 */ |
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214 | 0x00/256.0, 0x00/256.0, 0x33/256.0, 0x33/256.0, /* 0x98 */ |
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215 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x9c */ |
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216 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0xa0 */ |
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217 | 0x66/256.0, 0x66/256.0, 0x99/256.0, 0x99/256.0, /* 0xa4 */ |
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218 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xa8 */ |
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219 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xac */ |
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220 | 0xcc/256.0, 0xcc/256.0, 0xff/256.0, 0xff/256.0, /* 0xb0 */ |
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221 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xb4 */ |
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222 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0xb8 */ |
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223 | 0x00/256.0, 0x00/256.0, 0x33/256.0, 0x33/256.0, /* 0xbc */ |
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224 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0xc0 */ |
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225 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0xc4 */ |
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226 | 0x66/256.0, 0x66/256.0, 0x99/256.0, 0x99/256.0, /* 0xc8 */ |
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227 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xcc */ |
|
|
228 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xd0 */ |
|
|
229 | 0xcc/256.0, 0xcc/256.0, 0xff/256.0, 0xff/256.0, /* 0xd4 */ |
|
|
230 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xd8 */ |
|
|
231 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0xdc */ |
|
|
232 | 0x00/256.0, 0x00/256.0, 0x33/256.0, 0x33/256.0, /* 0xe0 */ |
|
|
233 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0xe4 */ |
|
|
234 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0xe8 */ |
|
|
235 | 0x66/256.0, 0x66/256.0, 0x99/256.0, 0x99/256.0, /* 0xec */ |
|
|
236 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xf0 */ |
|
|
237 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xf4 */ |
|
|
238 | 0xcc/256.0, 0xcc/256.0, 0xff/256.0, 0xff/256.0, /* 0xf8 */ |
|
|
239 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xfc */ |
|
|
240 | }; |
|
|
241 | |
|
|
242 | float palet_color_8_blue[PALET_COLOR_8_LEN] = |
|
|
243 | { 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x00 */ |
|
|
244 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x04 */ |
|
|
245 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x08 */ |
|
|
246 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x0c */ |
|
|
247 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x10 */ |
|
|
248 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x14 */ |
|
|
249 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x18 */ |
|
|
250 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x1c */ |
|
|
251 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x20 */ |
|
|
252 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x24 */ |
|
|
253 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x28 */ |
|
|
254 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x2c */ |
|
|
255 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x30 */ |
|
|
256 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x34 */ |
|
|
257 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x38 */ |
|
|
258 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x3c */ |
|
|
259 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x40 */ |
|
|
260 | 0x33/256.0, 0x33/256.0, 0x33/256.0, 0x33/256.0, /* 0x44 */ |
|
|
261 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x48 */ |
|
|
262 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x4c */ |
|
|
263 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x50 */ |
|
|
264 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x54 */ |
|
|
265 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x58 */ |
|
|
266 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x5c */ |
|
|
267 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x60 */ |
|
|
268 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x64 */ |
|
|
269 | 0x66/256.0, 0x66/256.0, 0x66/256.0, 0x66/256.0, /* 0x68 */ |
|
|
270 | 0x11/256.0, 0x22/256.0, 0x44/256.0, 0x55/256.0, /* 0x6c */ |
|
|
271 | 0x77/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x70 */ |
|
|
272 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x74 */ |
|
|
273 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x11/256.0, /* 0x78 */ |
|
|
274 | 0x22/256.0, 0x44/256.0, 0x55/256.0, 0x77/256.0, /* 0x7c */ |
|
|
275 | 0x88/256.0, 0xaa/256.0, 0xbb/256.0, 0xdd/256.0, /* 0x80 */ |
|
|
276 | 0xee/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x84 */ |
|
|
277 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x00/256.0, /* 0x88 */ |
|
|
278 | 0x00/256.0, 0x00/256.0, 0x00/256.0, 0x88/256.0, /* 0x8c */ |
|
|
279 | 0xaa/256.0, 0xbb/256.0, 0xdd/256.0, 0xee/256.0, /* 0x90 */ |
|
|
280 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0x94 */ |
|
|
281 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0x98 */ |
|
|
282 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0x9c */ |
|
|
283 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xa0 */ |
|
|
284 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xa4 */ |
|
|
285 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xa8 */ |
|
|
286 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xac */ |
|
|
287 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xb0 */ |
|
|
288 | 0x99/256.0, 0x99/256.0, 0x99/256.0, 0x99/256.0, /* 0xb4 */ |
|
|
289 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xb8 */ |
|
|
290 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xbc */ |
|
|
291 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xc0 */ |
|
|
292 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xc4 */ |
|
|
293 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xc8 */ |
|
|
294 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xcc */ |
|
|
295 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xd0 */ |
|
|
296 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xd4 */ |
|
|
297 | 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, 0xcc/256.0, /* 0xd8 */ |
|
|
298 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xdc */ |
|
|
299 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xe0 */ |
|
|
300 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xe4 */ |
|
|
301 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xe8 */ |
|
|
302 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xec */ |
|
|
303 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xf0 */ |
|
|
304 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xf4 */ |
|
|
305 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xf8 */ |
|
|
306 | 0xff/256.0, 0xff/256.0, 0xff/256.0, 0xff/256.0, /* 0xfc */ |
|
|
307 | }; |
|
|
308 | |
|
|
309 | psiconv_pixel_floats_t palet_color_8 = |
|
|
310 | { |
|
|
311 | PALET_COLOR_8_LEN, |
|
|
312 | palet_color_8_red, |
|
|
313 | palet_color_8_green, |
|
|
314 | palet_color_8_blue, |
|
|
315 | }; |
97 | |
316 | |
98 | int psiconv_write_paint_data_section(const psiconv_config config, |
317 | int psiconv_write_paint_data_section(const psiconv_config config, |
99 | psiconv_buffer buf, |
318 | psiconv_buffer buf, |
100 | const psiconv_paint_data_section value, |
319 | const psiconv_paint_data_section value, |
101 | int is_clipart) |
320 | int is_clipart) |
… | |
… | |
104 | psiconv_pixel_ints ints; |
323 | psiconv_pixel_ints ints; |
105 | psiconv_pixel_floats_t floats,palet; |
324 | psiconv_pixel_floats_t floats,palet; |
106 | psiconv_list bytes,bytes_rle; |
325 | psiconv_list bytes,bytes_rle; |
107 | psiconv_u8 *byteptr,encoding; |
326 | psiconv_u8 *byteptr,encoding; |
108 | |
327 | |
|
|
328 | /* First, we check whether we can cope with the current configuration. |
|
|
329 | If not, we stop at once */ |
|
|
330 | if ((config->colordepth != 2) && (config->colordepth != 4) && |
|
|
331 | (config->colordepth != 8) && (config->colordepth != 12) && |
|
|
332 | (config->colordepth != 16) && (config->colordepth != 24)) { |
|
|
333 | psiconv_warn(config,0,psiconv_buffer_length(buf), |
|
|
334 | "Unsupported color depth (%d); try 2, 4, 8, 16 or 24", |
|
|
335 | config->colordepth); |
|
|
336 | res = -PSICONV_E_GENERATE; |
|
|
337 | goto ERROR1; |
|
|
338 | } |
|
|
339 | |
|
|
340 | if ((config->color) && |
|
|
341 | (config->bluebits || config->redbits || config->greenbits) && |
|
|
342 | (config->bluebits+config->redbits+config->greenbits!=config->colordepth)) { |
|
|
343 | psiconv_warn(config,0,psiconv_buffer_length(buf), |
|
|
344 | "Sum of red (%d), green (%d) and blue (%d) bits should be " |
|
|
345 | "equal to the color depth (%d)", |
|
|
346 | config->redbits,config->greenbits,config->bluebits, |
|
|
347 | config->colordepth); |
|
|
348 | res = -PSICONV_E_GENERATE; |
|
|
349 | goto ERROR1; |
|
|
350 | } |
|
|
351 | |
|
|
352 | if (config->color && |
|
|
353 | !(config->redbits || config->greenbits || config->bluebits) && |
|
|
354 | (config->colordepth != 4) && (config->colordepth != 8)) { |
|
|
355 | psiconv_warn(config,0,psiconv_buffer_length(buf), |
|
|
356 | "Current color depth (%d) has no palet associated with it", |
|
|
357 | config->colordepth); |
|
|
358 | res = -PSICONV_E_GENERATE; |
|
|
359 | goto ERROR1; |
|
|
360 | } |
|
|
361 | |
|
|
362 | if (config->color || (config->colordepth != 2)) |
|
|
363 | psiconv_warn(config,0,psiconv_buffer_length(buf), |
|
|
364 | "All image types except 2-bit greyscale are experimental!"); |
|
|
365 | |
|
|
366 | |
109 | if (!value) { |
367 | if (!value) { |
110 | psiconv_warn(config,0,psiconv_buffer_length(buf),"Null paint data section"); |
368 | psiconv_warn(config,0,psiconv_buffer_length(buf),"Null paint data section"); |
111 | res = -PSICONV_E_GENERATE; |
369 | res = -PSICONV_E_GENERATE; |
112 | goto ERROR1; |
370 | goto ERROR1; |
113 | } |
371 | } |
… | |
… | |
115 | floats.red = value->red; |
373 | floats.red = value->red; |
116 | floats.green = value->green; |
374 | floats.green = value->green; |
117 | floats.blue = value->blue; |
375 | floats.blue = value->blue; |
118 | floats.length = value->xsize * value->ysize; |
376 | floats.length = value->xsize * value->ysize; |
119 | |
377 | |
|
|
378 | palet = palet_none; |
|
|
379 | if ((config->color) && (config->redbits == 0) && (config->greenbits == 0) &&\ |
|
|
380 | (config->bluebits == 0)) |
120 | switch (config->colordepth) { |
381 | switch (config->colordepth) { |
121 | default: |
382 | case 4: palet = palet_color_4; break; |
122 | case 2: palet = (config->color?palet_none:palet_grey_2); |
383 | case 8: palet = palet_color_8; break; |
123 | break; |
384 | default: palet = palet_none; break; |
124 | case 4: palet = (config->color?palet_none:palet_grey_4); |
|
|
125 | break; |
|
|
126 | } |
385 | } |
127 | |
386 | |
128 | if ((res = psiconv_collect_pixel_data(&ints,value->xsize, |
387 | if ((res = psiconv_collect_pixel_data(&ints,value->xsize, |
129 | value->ysize,floats, |
388 | value->ysize,floats, |
130 | config->colordepth,palet))) |
389 | config->colordepth,config->color, |
|
|
390 | config->redbits,config->greenbits, |
|
|
391 | config->bluebits,palet))) |
131 | goto ERROR1; |
392 | goto ERROR1; |
132 | |
393 | |
133 | if ((res = psiconv_pixel_data_to_bytes(config,&bytes,value->xsize,value->ysize, |
394 | if ((res = psiconv_pixel_data_to_bytes(config,&bytes,value->xsize,value->ysize, |
134 | ints,config->colordepth))) |
395 | ints,config->colordepth))) |
135 | goto ERROR2; |
396 | goto ERROR2; |
136 | |
397 | |
137 | |
398 | |
|
|
399 | switch (config->colordepth) { |
|
|
400 | case 2: |
|
|
401 | case 4: |
|
|
402 | case 8: |
138 | encoding = 0x00; |
403 | encoding = 0x01; |
139 | if ((res = psiconv_encode_rle8(config,bytes,&bytes_rle))) |
404 | if ((res = psiconv_encode_rle8(config,bytes,&bytes_rle))) |
140 | goto ERROR3; |
405 | goto ERROR3; |
|
|
406 | break; |
|
|
407 | case 12: |
|
|
408 | encoding = 0x02; |
|
|
409 | if ((res = psiconv_encode_rle12(config,bytes,&bytes_rle))) |
|
|
410 | goto ERROR3; |
|
|
411 | break; |
|
|
412 | case 16: |
|
|
413 | encoding = 0x03; |
|
|
414 | if ((res = psiconv_encode_rle16(config,bytes,&bytes_rle))) |
|
|
415 | goto ERROR3; |
|
|
416 | break; |
|
|
417 | case 24: |
|
|
418 | encoding = 0x04; |
|
|
419 | if ((res = psiconv_encode_rle24(config,bytes,&bytes_rle))) |
|
|
420 | goto ERROR3; |
|
|
421 | break; |
|
|
422 | default: |
|
|
423 | encoding = 0x00; |
|
|
424 | } |
|
|
425 | if (encoding) { |
141 | if (psiconv_list_length(bytes_rle) < psiconv_list_length(bytes)) { |
426 | if (psiconv_list_length(bytes_rle) < psiconv_list_length(bytes)) { |
142 | encoding = 0x01; |
|
|
143 | psiconv_list_free(bytes); |
427 | psiconv_list_free(bytes); |
144 | bytes = bytes_rle; |
428 | bytes = bytes_rle; |
145 | } else { |
429 | } else { |
146 | bytes_rle = NULL; |
430 | psiconv_list_free(bytes_rle); |
|
|
431 | encoding = 0x00; |
|
|
432 | } |
147 | } |
433 | } |
148 | |
434 | |
149 | if ((res = psiconv_write_u32(config,buf, |
435 | if ((res = psiconv_write_u32(config,buf, |
150 | 0x28+psiconv_list_length(bytes)))) |
436 | 0x28+psiconv_list_length(bytes)))) |
151 | goto ERROR3; |
437 | goto ERROR3; |
… | |
… | |
158 | if ((res = psiconv_write_length(config,buf,value->pic_xsize))) |
444 | if ((res = psiconv_write_length(config,buf,value->pic_xsize))) |
159 | goto ERROR3; |
445 | goto ERROR3; |
160 | if ((res = psiconv_write_length(config,buf,value->pic_ysize))) |
446 | if ((res = psiconv_write_length(config,buf,value->pic_ysize))) |
161 | goto ERROR3; |
447 | goto ERROR3; |
162 | colordepth = config->colordepth; |
448 | colordepth = config->colordepth; |
163 | if ((colordepth != 2) && colordepth != 4) |
|
|
164 | colordepth = 2; |
|
|
165 | if ((res = psiconv_write_u32(config,buf,colordepth))) |
449 | if ((res = psiconv_write_u32(config,buf,colordepth))) |
166 | goto ERROR3; |
450 | goto ERROR3; |
167 | if ((res = psiconv_write_u32(config,buf,(config->color?1:0)))) |
451 | if ((res = psiconv_write_u32(config,buf,(config->color?1:0)))) |
168 | goto ERROR3; |
452 | goto ERROR3; |
169 | if ((res = psiconv_write_u32(config,buf,0))) |
453 | if ((res = psiconv_write_u32(config,buf,0))) |
… | |
… | |
195 | The palet is optional; without it, we just use the |
479 | The palet is optional; without it, we just use the |
196 | colordepth. With a large palet this is not very fast, but it will do for |
480 | colordepth. With a large palet this is not very fast, but it will do for |
197 | now. For greyscale pictures, just use the palet. */ |
481 | now. For greyscale pictures, just use the palet. */ |
198 | int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels,int xsize,int ysize, |
482 | int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels,int xsize,int ysize, |
199 | const psiconv_pixel_floats_t data, |
483 | const psiconv_pixel_floats_t data, |
200 | int colordepth, |
484 | int colordepth,int color, |
|
|
485 | int redbits,int bluebits,int greenbits, |
201 | const psiconv_pixel_floats_t palet) |
486 | const psiconv_pixel_floats_t palet) |
202 | { |
487 | { |
203 | int res,x,y,i; |
488 | int res,x,y,i; |
204 | psiconv_u32 index,pixel; |
489 | psiconv_u32 index,pixel; |
205 | float p_red,p_green,p_blue,mult,dist,new_dist; |
490 | float p_red,p_green,p_blue,dist,new_dist; |
206 | |
491 | |
207 | if (!(*pixels = psiconv_list_new(sizeof(psiconv_u32)))) { |
492 | if (!(*pixels = psiconv_list_new(sizeof(psiconv_u32)))) { |
208 | res = -PSICONV_E_NOMEM; |
493 | res = -PSICONV_E_NOMEM; |
209 | goto ERROR1; |
494 | goto ERROR1; |
210 | } |
495 | } |
211 | |
496 | |
212 | mult = 1 << colordepth; |
|
|
213 | for (y = 0; y < ysize; y++) { |
497 | for (y = 0; y < ysize; y++) { |
214 | for (x = 0; x < xsize; x++) { |
498 | for (x = 0; x < xsize; x++) { |
215 | index = y*xsize+x; |
499 | index = y*xsize+x; |
216 | p_red = data.red[index]; |
500 | p_red = data.red[index]; |
217 | p_green = data.green[index]; |
501 | p_green = data.green[index]; |
218 | p_blue = data.blue[index]; |
502 | p_blue = data.blue[index]; |
219 | if (!palet.length) { |
503 | if (!palet.length) { |
220 | pixel = (((psiconv_u32) (p_red*mult+0.5)) << (2*colordepth)) + |
504 | if (color) |
221 | (((psiconv_u32) (p_green*mult+0.5)) << colordepth) + |
505 | pixel = (((psiconv_u32) (p_red * (1 << redbits) + 0.5)) |
|
|
506 | << (greenbits+bluebits)) + |
|
|
507 | (((psiconv_u32) (p_green * (1 << greenbits) + 0.5)) |
|
|
508 | << bluebits) + |
222 | ((psiconv_u32) (p_blue*mult+0.5)); |
509 | ((psiconv_u32) (p_blue * (1 << bluebits) + 0.5)); |
|
|
510 | else |
|
|
511 | pixel = (p_red + p_green + p_blue)/3.0 * (1 << colordepth); |
223 | } else { |
512 | } else { |
224 | dist = 4; /* Max distance is 3, so this is safe */ |
513 | dist = 4; /* Max distance is 3, so this is safe */ |
225 | pixel = -1; |
514 | pixel = -1; |
226 | for (i = 0; i < palet.length; i++) { |
515 | for (i = 0; i < palet.length; i++) { |
227 | new_dist = (p_red - palet.red[i]) * (p_red - palet.red[i]) + |
516 | new_dist = (p_red - palet.red[i]) * (p_red - palet.red[i]) + |
… | |
… | |
330 | psiconv_list_free(*bytes); |
619 | psiconv_list_free(*bytes); |
331 | ERROR1: |
620 | ERROR1: |
332 | return res; |
621 | return res; |
333 | } |
622 | } |
334 | |
623 | |
|
|
624 | /* RLE8 encoding: |
|
|
625 | Marker bytes followed by one or more data bytes. |
|
|
626 | Marker value 0x00-0x7f: repeat the next data byte (marker+1) times |
|
|
627 | Marker value 0xff-0x80: (0x100-marker) data bytes follow */ |
335 | int psiconv_encode_rle8(const psiconv_config config, |
628 | int psiconv_encode_rle8(const psiconv_config config, |
336 | const psiconv_pixel_bytes plain_bytes, |
629 | const psiconv_pixel_bytes plain_bytes, |
337 | psiconv_pixel_bytes *encoded_bytes) |
630 | psiconv_pixel_bytes *encoded_bytes) |
338 | { |
631 | { |
339 | int res,i,j,len; |
632 | int res,i,j,len; |
… | |
… | |
413 | psiconv_list_free(*encoded_bytes); |
706 | psiconv_list_free(*encoded_bytes); |
414 | ERROR1: |
707 | ERROR1: |
415 | return res; |
708 | return res; |
416 | } |
709 | } |
417 | |
710 | |
|
|
711 | /* RLE12 encoding: |
|
|
712 | Word based. The 12 least significant bits contain the pixel colors. |
|
|
713 | the 4 most signigicant bits are the number of repetitions minus 1 */ |
|
|
714 | int psiconv_encode_rle12(const psiconv_config config, |
|
|
715 | const psiconv_pixel_bytes plain_bytes, |
|
|
716 | psiconv_pixel_bytes *encoded_bytes) |
|
|
717 | { |
|
|
718 | typedef psiconv_list psiconv_word_data; /* of psiconv_u16 */ |
|
|
719 | psiconv_word_data data; |
|
|
720 | int res,i,len,location; |
|
|
721 | psiconv_u16 *word_entry,*word_next; |
|
|
722 | psiconv_u16 word_data; |
|
|
723 | psiconv_u8 byte_temp; |
|
|
724 | psiconv_u8 *byte_entry; |
|
|
725 | |
|
|
726 | |
|
|
727 | /* First extract the 12-bit values to encode */ |
|
|
728 | if (!(data = psiconv_list_new(sizeof(psiconv_u16)))) { |
|
|
729 | res = -PSICONV_E_NOMEM; |
|
|
730 | goto ERROR1; |
|
|
731 | } |
|
|
732 | |
|
|
733 | for (i = 0; i < psiconv_list_length(plain_bytes); i++) { |
|
|
734 | if (!(byte_entry = psiconv_list_get(plain_bytes,i))) { |
|
|
735 | res = -PSICONV_E_NOMEM; |
|
|
736 | goto ERROR2; |
|
|
737 | } |
|
|
738 | location = 0; |
|
|
739 | if (location == 0) { |
|
|
740 | word_data = *byte_entry; |
|
|
741 | location ++; |
|
|
742 | } else if (location == 1) { |
|
|
743 | word_data = (word_data << 4) + (*byte_entry & 0x0f); |
|
|
744 | if ((res = psiconv_list_add(data,&word_data))) |
|
|
745 | goto ERROR2; |
|
|
746 | word_data = *byte_entry >> 4; |
|
|
747 | location ++; |
|
|
748 | } else { |
|
|
749 | word_data = (word_data << 8) + *byte_entry; |
|
|
750 | if ((res = psiconv_list_add(data,&word_data))) |
|
|
751 | goto ERROR2; |
|
|
752 | location = 0; |
|
|
753 | } |
|
|
754 | } |
|
|
755 | |
|
|
756 | if (!(*encoded_bytes = psiconv_list_new(sizeof(psiconv_u8)))) { |
|
|
757 | res = -PSICONV_E_NOMEM; |
|
|
758 | goto ERROR2; |
|
|
759 | } |
|
|
760 | |
|
|
761 | for (i = 0; i < psiconv_list_length(data);) { |
|
|
762 | if (!(word_entry = psiconv_list_get(data,i))) { |
|
|
763 | res = -PSICONV_E_NOMEM; |
|
|
764 | goto ERROR3; |
|
|
765 | } |
|
|
766 | |
|
|
767 | if (!(word_next = psiconv_list_get(data,i+1))) { |
|
|
768 | res = -PSICONV_E_NOMEM; |
|
|
769 | goto ERROR3; |
|
|
770 | } |
|
|
771 | |
|
|
772 | if (i == psiconv_list_length(data) - 2) { |
|
|
773 | byte_temp = *word_entry && 0xff; |
|
|
774 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
775 | goto ERROR3; |
|
|
776 | byte_temp = *word_entry >> 8; |
|
|
777 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
778 | goto ERROR3; |
|
|
779 | byte_temp = *word_next && 0xff; |
|
|
780 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
781 | goto ERROR3; |
|
|
782 | byte_temp = *word_next >> 8; |
|
|
783 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
784 | goto ERROR3; |
|
|
785 | i += 2; |
|
|
786 | } |
|
|
787 | |
|
|
788 | len = 0; |
|
|
789 | while ((*word_entry == *word_next) && (len < 16) && |
|
|
790 | (i+len+1 < psiconv_list_length(data))) { |
|
|
791 | len ++; |
|
|
792 | if (!(word_next = psiconv_list_get(data,i+len))) { |
|
|
793 | res = -PSICONV_E_NOMEM; |
|
|
794 | goto ERROR3; |
|
|
795 | } |
|
|
796 | } |
|
|
797 | |
|
|
798 | byte_temp = *word_entry && 0xff; |
|
|
799 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
800 | goto ERROR3; |
|
|
801 | byte_temp = (*word_entry >> 8) + ((len - 1) << 4); |
|
|
802 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
803 | goto ERROR3; |
|
|
804 | i += len; |
|
|
805 | } |
|
|
806 | return 0; |
|
|
807 | |
|
|
808 | ERROR3: |
|
|
809 | psiconv_list_free(*encoded_bytes); |
|
|
810 | ERROR2: |
|
|
811 | psiconv_list_free(data); |
|
|
812 | ERROR1: |
|
|
813 | return res; |
|
|
814 | } |
|
|
815 | |
|
|
816 | /* RLE16 encoding: |
|
|
817 | Marker bytes followed by one or more data words. |
|
|
818 | Marker value 0x00-0x7f: repeat the next data word (marker+1) times |
|
|
819 | Marker value 0xff-0x80: (0x100-marker) data words follow */ |
418 | int psiconv_encode_rle16(const psiconv_config config, |
820 | int psiconv_encode_rle16(const psiconv_config config, |
419 | const psiconv_pixel_bytes plain_bytes, |
821 | const psiconv_pixel_bytes plain_bytes, |
420 | psiconv_pixel_bytes *encoded_bytes) |
822 | psiconv_pixel_bytes *encoded_bytes) |
421 | { |
823 | { |
422 | int res,i,j,len; |
824 | int res,i,j,len; |
… | |
… | |
525 | psiconv_list_free(*encoded_bytes); |
927 | psiconv_list_free(*encoded_bytes); |
526 | ERROR1: |
928 | ERROR1: |
527 | return res; |
929 | return res; |
528 | } |
930 | } |
529 | |
931 | |
|
|
932 | /* RLE24 encoding: |
|
|
933 | Marker bytes followed by one or more data byte-triplets. |
|
|
934 | Marker value 0x00-0x7f: repeat the next data byte-triplets (marker+1) times |
|
|
935 | Marker value 0xff-0x80: (0x100-marker) data byte-triplets follow */ |
530 | int psiconv_encode_rle24(const psiconv_config config, |
936 | int psiconv_encode_rle24(const psiconv_config config, |
531 | const psiconv_pixel_bytes plain_bytes, |
937 | const psiconv_pixel_bytes plain_bytes, |
532 | psiconv_pixel_bytes *encoded_bytes) |
938 | psiconv_pixel_bytes *encoded_bytes) |
533 | { |
939 | { |
534 | int res,i,j,len; |
940 | int res,i,j,len; |