1 | /* |
1 | /* |
2 | parse_image.c - Part of psiconv, a PSION 5 file formats converter |
2 | parse_image.c - Part of psiconv, a PSION 5 file formats converter |
3 | Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> |
3 | Copyright (c) 1999-2014 Frodo Looijaard <frodo@frodo.looijaard.name> |
4 | |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
5 | This program is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by |
6 | it under the terms of the GNU General Public License as published by |
7 | the Free Software Foundation; either version 2 of the License, or |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
… | |
16 | along with this program; if not, write to the Free Software |
16 | along with this program; if not, write to the Free Software |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 | */ |
18 | */ |
19 | |
19 | |
20 | #include "config.h" |
20 | #include "config.h" |
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21 | #include "compat.h" |
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22 | |
21 | #include <stdlib.h> |
23 | #include <stdlib.h> |
22 | |
24 | |
23 | #include "data.h" |
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24 | #include "parse_routines.h" |
25 | #include "parse_routines.h" |
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26 | #include "error.h" |
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27 | #include "image.h" |
25 | |
28 | |
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29 | #ifdef DMALLOC |
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30 | #include <dmalloc.h> |
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31 | #endif |
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32 | |
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33 | /* Extreme debugging info */ |
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34 | #undef LOUD |
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35 | |
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36 | static int psiconv_decode_rle8 (const psiconv_config config, int lev, |
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37 | psiconv_u32 off, |
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38 | const psiconv_pixel_bytes encoded, |
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39 | psiconv_pixel_bytes *decoded); |
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40 | |
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41 | static int psiconv_decode_rle12 (const psiconv_config config, int lev, |
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42 | psiconv_u32 off, |
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43 | const psiconv_pixel_bytes encoded, |
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44 | psiconv_pixel_bytes *decoded); |
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45 | |
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46 | static int psiconv_decode_rle16 (const psiconv_config config, int lev, |
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47 | psiconv_u32 off, |
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48 | const psiconv_pixel_bytes encoded, |
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49 | psiconv_pixel_bytes *decoded); |
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50 | |
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51 | static int psiconv_decode_rle24 (const psiconv_config config, int lev, |
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52 | psiconv_u32 off, |
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53 | const psiconv_pixel_bytes encoded, |
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54 | psiconv_pixel_bytes *decoded); |
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55 | |
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56 | static int psiconv_bytes_to_pixel_data(const psiconv_config config, |
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57 | int lev, psiconv_u32 off, |
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58 | const psiconv_pixel_bytes bytes, |
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59 | psiconv_pixel_ints *pixels, |
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60 | int colordepth, int xsize, int ysize); |
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61 | |
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62 | static int psiconv_pixel_data_to_floats (const psiconv_config config, int lev, |
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63 | psiconv_u32 off, |
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64 | const psiconv_pixel_ints pixels, |
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65 | psiconv_pixel_floats_t *floats, |
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66 | int colordepth, int color, |
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67 | int redbits, int bluebits, int greenbits, |
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68 | const psiconv_pixel_floats_t palet); |
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69 | |
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70 | |
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71 | |
26 | int psiconv_parse_mbm_jumptable_section(const psiconv_buffer buf,int lev, |
72 | int psiconv_parse_jumptable_section(const psiconv_config config, |
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73 | const psiconv_buffer buf,int lev, |
27 | psiconv_u32 off, int *length, |
74 | psiconv_u32 off, int *length, |
28 | psiconv_mbm_jumptable_section *result) |
75 | psiconv_jumptable_section *result) |
29 | { |
76 | { |
30 | int res = 0; |
77 | int res = 0; |
31 | int len = 0; |
78 | int len = 0; |
32 | psiconv_u32 listlen,temp; |
79 | psiconv_u32 listlen,temp; |
33 | int i; |
80 | int i; |
34 | |
81 | |
35 | psiconv_progress(lev+1,off+len,"Going to read the mbm jumptable section"); |
82 | psiconv_progress(config,lev+1,off+len,"Going to read the jumptable section"); |
36 | (*result) = psiconv_list_new(sizeof(psiconv_u32)); |
83 | if (!((*result) = psiconv_list_new(sizeof(psiconv_u32)))) |
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84 | goto ERROR1; |
37 | |
85 | |
38 | psiconv_progress(lev+2,off+len,"Going to read the list length"); |
86 | psiconv_progress(config,lev+2,off+len,"Going to read the list length"); |
39 | listlen = psiconv_read_u32(buf,lev+2,off+len); |
87 | listlen = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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88 | if (res) |
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89 | goto ERROR2; |
40 | psiconv_debug(lev+2,off+len,"List length: %08x",listlen); |
90 | psiconv_debug(config,lev+2,off+len,"List length: %08x",listlen); |
41 | len += 4; |
91 | len += 4; |
42 | |
92 | |
43 | psiconv_progress(lev+2,off+len,"Going to read the list"); |
93 | psiconv_progress(config,lev+2,off+len,"Going to read the list"); |
44 | for (i = 0; i < listlen; i++) { |
94 | for (i = 0; i < listlen; i++) { |
45 | temp = psiconv_read_u32(buf,lev+2,off+len); |
95 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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96 | if (res) |
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97 | goto ERROR2; |
46 | psiconv_list_add(*result,&temp); |
98 | if ((res = psiconv_list_add(*result,&temp))) |
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99 | goto ERROR2; |
47 | psiconv_debug(lev+3,off+len,"Offset: %08x",temp); |
100 | psiconv_debug(config,lev+3,off+len,"Offset: %08x",temp); |
48 | len += 4; |
101 | len += 4; |
49 | } |
102 | } |
50 | |
103 | |
51 | if (length) |
104 | if (length) |
52 | *length = len; |
105 | *length = len; |
53 | |
106 | |
54 | psiconv_progress(lev+1,off+len-1,"End of mbm jumptable section " |
107 | psiconv_progress(config,lev+1,off+len-1,"End of jumptable section " |
55 | "(total length: %08x)", len); |
108 | "(total length: %08x)", len); |
56 | |
109 | |
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110 | return 0; |
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111 | |
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112 | ERROR2: |
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113 | psiconv_list_free(*result); |
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114 | ERROR1: |
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115 | psiconv_error(config,lev+1,off,"Reading of Jumptable Section failed"); |
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116 | if (length) |
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117 | *length = 0; |
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118 | if (!res) |
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119 | return -PSICONV_E_NOMEM; |
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120 | else |
57 | return res; |
121 | return res; |
58 | } |
122 | } |
59 | |
123 | |
60 | int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev, |
124 | int psiconv_parse_paint_data_section(const psiconv_config config, |
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125 | const psiconv_buffer buf,int lev, |
61 | psiconv_u32 off, int *length, |
126 | psiconv_u32 off, int *length,int isclipart, |
62 | psiconv_paint_data_section *result) |
127 | psiconv_paint_data_section *result) |
63 | { |
128 | { |
64 | int res = 0; |
129 | int res = 0; |
65 | int len = 0; |
130 | int len = 0; |
66 | int read_err = 0; |
131 | psiconv_u32 size,offset,temp,datasize,color, |
67 | psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen; |
132 | redbits,bluebits,greenbits; |
68 | psiconv_u8 marker; |
133 | psiconv_u8 byte; |
69 | int i; |
134 | int leng,i; |
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135 | psiconv_u32 bits_per_pixel,compression; |
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136 | psiconv_pixel_bytes bytes,decoded; |
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137 | psiconv_pixel_ints pixels; |
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138 | psiconv_pixel_floats_t floats,palet; |
70 | |
139 | |
71 | psiconv_progress(lev+1,off,"Going to read a paint data section"); |
140 | psiconv_progress(config,lev+1,off,"Going to read a paint data section"); |
72 | (*result) = malloc(sizeof(**result)); |
141 | if (!((*result) = malloc(sizeof(**result)))) |
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142 | goto ERROR1; |
73 | |
143 | |
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144 | if (!(bytes = psiconv_list_new(sizeof(psiconv_u8)))) |
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145 | goto ERROR2; |
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146 | |
74 | psiconv_progress(lev+2,off+len,"Going to read section size"); |
147 | psiconv_progress(config,lev+2,off+len,"Going to read section size"); |
75 | size = psiconv_read_u32(buf,lev+2,off+len); |
148 | size = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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149 | if (res) |
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150 | goto ERROR3; |
76 | psiconv_debug(lev+2,off+len,"Section size: %08x",size); |
151 | psiconv_debug(config,lev+2,off+len,"Section size: %08x",size); |
77 | len += 4; |
152 | len += 4; |
78 | |
153 | |
79 | psiconv_progress(lev+2,off+len,"Going to read pixel data offset"); |
154 | psiconv_progress(config,lev+2,off+len,"Going to read pixel data offset"); |
80 | offset = psiconv_read_u32(buf,lev+2,off+len); |
155 | offset = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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156 | if (res) |
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157 | goto ERROR3; |
81 | if (offset != 0x28) { |
158 | if (offset != 0x28) { |
82 | psiconv_warn(lev+2,off+len, |
159 | psiconv_error(config,lev+2,off+len, |
83 | "Paint data section data offset has unexpected value"); |
160 | "Paint data section data offset has unexpected value"); |
84 | psiconv_debug(lev+2,off+len, |
161 | psiconv_debug(config,lev+2,off+len, |
85 | "Data offset: read %08x, expected %08x",offset,0x28); |
162 | "Data offset: read %08x, expected %08x",offset,0x28); |
86 | res = -1; |
163 | res = -1; |
87 | } |
164 | } |
88 | len += 4; |
165 | len += 4; |
89 | |
166 | |
90 | psiconv_progress(lev+2,off+len,"Going to read picture X size"); |
167 | psiconv_progress(config,lev+2,off+len,"Going to read picture X size"); |
91 | (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len); |
168 | (*result)->xsize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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169 | if (res) |
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170 | goto ERROR3; |
92 | psiconv_debug(lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
171 | psiconv_debug(config,lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
93 | len += 4; |
172 | len += 4; |
94 | |
173 | |
95 | psiconv_progress(lev+2,off+len,"Going to read picture Y size"); |
174 | psiconv_progress(config,lev+2,off+len,"Going to read picture Y size"); |
96 | (*result)->ysize = psiconv_read_u32(buf,lev+2,off+len); |
175 | (*result)->ysize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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176 | if (res) |
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177 | goto ERROR3; |
97 | psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
178 | psiconv_debug(config,lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
98 | len += 4; |
179 | len += 4; |
99 | |
180 | |
100 | picsize = (*result)->ysize * (*result)->xsize * 2; |
181 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture x size"); |
101 | linelen = (*result)->xsize; |
182 | (*result)->pic_xsize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
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183 | if (res) |
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184 | goto ERROR3; |
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185 | psiconv_debug(config,lev+2,off+len,"Picture x size: %f",(*result)->pic_xsize); |
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186 | len += leng; |
102 | |
187 | |
103 | psiconv_progress(lev+2,off+len,"Going to read 6 unused longs"); |
188 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture y size"); |
104 | for (i = 0 ; i < 6; i++) { |
189 | (*result)->pic_ysize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
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190 | if (res) |
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191 | goto ERROR3; |
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192 | psiconv_debug(config,lev+2,off+len,"Picture y size: %f",(*result)->pic_ysize); |
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193 | len += leng; |
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194 | |
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195 | psiconv_progress(config,lev+2,off+len,"Going to read the number of bits per pixel"); |
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196 | bits_per_pixel=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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197 | if (res) |
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198 | goto ERROR3; |
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199 | psiconv_debug(config,lev+2,off+len,"Bits per pixel: %d",bits_per_pixel); |
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200 | len += 4; |
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201 | |
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202 | psiconv_progress(config,lev+2,off+len, |
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203 | "Going to read whether this is a colour or greyscale picture"); |
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204 | color = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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205 | if (res) |
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206 | goto ERROR3; |
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207 | if ((color != 0) && (color != 1)) { |
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208 | psiconv_warn(config,lev+2,off+len, |
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209 | "Paint data section unknown color type (ignored)"); |
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210 | psiconv_debug(config,lev+2,off+len, |
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211 | "Color: read %08x, expected %08x or %08x",color,0,1); |
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212 | color = 1; |
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213 | } else { |
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214 | psiconv_debug(config,lev+2,off+len,"Color: %08x (%s picture)", |
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215 | color,(color?"color":"greyscale")); |
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216 | } |
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217 | len += 4; |
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218 | |
105 | temp = psiconv_read_u32(buf,lev+2,off+len); |
219 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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220 | if (res) |
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221 | goto ERROR3; |
106 | if (temp != 0x00) { |
222 | if (temp != 00) { |
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223 | psiconv_warn(config,lev+2,off+len, |
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224 | "Paint data section prologue has unknown values (ignored)"); |
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225 | psiconv_debug(config,lev+2,off+len, |
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226 | "read %08x, expected %08x",temp, 0x00); |
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227 | } |
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228 | len += 4; |
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229 | |
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230 | psiconv_progress(config,lev+2,off+len, |
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231 | "Going to read whether RLE compression is used"); |
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232 | compression=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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233 | if (res) |
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234 | goto ERROR3; |
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235 | if (compression > 4) { |
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236 | psiconv_warn(config,lev+2,off+len,"Paint data section has unknown " |
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237 | "compression type, assuming RLE"); |
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238 | psiconv_debug(config,lev+2,off+len,"Read compression type %d",compression); |
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239 | compression = 0; |
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240 | } |
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241 | psiconv_debug(config,lev+2,off+len,"Compression: %s", |
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242 | compression == 4?"RLE24":compression == 3?"RLE16": |
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243 | compression == 2?"RLE12":compression == 1?"RLE8":"none"); |
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244 | len += 4; |
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245 | |
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246 | if (isclipart) { |
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247 | psiconv_progress(config,lev+2,off+len,"Going to read an unknown long"); |
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248 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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249 | if (res) |
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250 | goto ERROR3; |
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251 | if (temp != 0xffffffff) { |
107 | psiconv_warn(lev+2,off+len, |
252 | psiconv_warn(config,lev+2,off+len, |
108 | "Paint data section prologue has unknown values"); |
253 | "Paint data section prologue has unknown values (ignoring)"); |
109 | psiconv_debug(lev+2,off+len, |
254 | psiconv_debug(config,lev+2,off+len, |
110 | "offset %02x: read %08x, expected %08x",i,temp,0x00); |
255 | "Read %08x, expected %08x",temp, 0xffffffff); |
111 | res = -1; |
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112 | } |
256 | } |
113 | len += 4; |
257 | len += 4; |
|
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258 | psiconv_progress(config,lev+2,off+len,"Going to read a second unknown long"); |
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259 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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260 | if (res) |
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261 | goto ERROR3; |
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262 | if (temp != 0x44) { |
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263 | psiconv_warn(config,lev+2,off+len, |
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264 | "Paint data section prologue has unknown values (ignoring)"); |
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265 | psiconv_debug(config,lev+2,off+len, |
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266 | "read %08x, expected %08x",temp, 0x44); |
114 | } |
267 | } |
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268 | len += 4; |
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269 | } |
115 | |
270 | |
116 | (*result)->red = malloc(sizeof(float) * picsize); |
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117 | (*result)->green = malloc(sizeof(float) * picsize); |
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118 | (*result)->blue = malloc(sizeof(float) * picsize); |
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119 | len = offset; |
271 | len = offset; |
120 | datasize = size - len; |
272 | datasize = size - len; |
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273 | if (isclipart) |
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274 | len += 8; |
121 | |
275 | |
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276 | if (color || (bits_per_pixel != 2)) |
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277 | psiconv_warn(config,lev+2,off+len, |
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278 | "All image types except 2-bit greyscale are experimental!"); |
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279 | |
122 | psiconv_progress(lev+2,off+len,"Going to read the pixel data"); |
280 | psiconv_progress(config,lev+2,off+len,"Going to read the pixel data"); |
123 | pixelnr = 0; |
281 | for (i = 0; i < datasize; i++) { |
124 | datanr = 0; |
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125 | while ((datanr < datasize) && (pixelnr < picsize)) { |
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126 | marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
282 | byte = psiconv_read_u8(config,buf,lev+2,off+len+i,&res); |
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283 | #ifdef LOUD |
127 | psiconv_debug(lev+3,off+len+datanr, |
284 | psiconv_debug(config,lev+2,off+len+i, |
128 | "Pixelnr %08x, Datanr %08x: Read marker %02x", |
285 | "Pixel byte %04x of %04x has value %02x", |
129 | pixelnr,datanr,marker); |
286 | i,datasize,byte); |
130 | datanr ++; |
287 | #endif |
131 | if (marker >= 0x80) { |
288 | if (res) |
132 | /* 0x100 - marker bytes of data follow */ |
289 | goto ERROR3; |
133 | if ((0x100 - marker + datanr > datasize) || |
290 | psiconv_list_add(bytes,&byte); |
134 | ((0x100 - marker) * 4 + pixelnr > picsize)) { |
291 | } |
135 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
292 | len += datasize; |
136 | psiconv_debug(lev+3,off+len+datanr, |
293 | |
137 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
294 | switch(compression) { |
138 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
295 | case 1: |
139 | datanr,marker); |
296 | if ((res = psiconv_decode_rle8(config,lev+2,off+len,bytes,&decoded))) |
140 | res = -1; |
297 | goto ERROR3; |
141 | read_err = 1; |
298 | psiconv_list_free(bytes); |
|
|
299 | bytes = decoded; |
|
|
300 | break; |
|
|
301 | case 2: |
|
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302 | if ((psiconv_decode_rle12(config,lev+2,off+len,bytes,&decoded))) |
|
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303 | goto ERROR3; |
|
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304 | psiconv_list_free(bytes); |
|
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305 | bytes = decoded; |
|
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306 | break; |
|
|
307 | case 3: |
|
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308 | if ((psiconv_decode_rle16(config,lev+2,off+len,bytes,&decoded))) |
|
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309 | goto ERROR3; |
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310 | psiconv_list_free(bytes); |
|
|
311 | bytes = decoded; |
|
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312 | break; |
|
|
313 | case 4: |
|
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314 | if ((psiconv_decode_rle24(config,lev+2,off+len,bytes,&decoded))) |
|
|
315 | goto ERROR3; |
|
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316 | psiconv_list_free(bytes); |
|
|
317 | bytes = decoded; |
|
|
318 | break; |
|
|
319 | } |
|
|
320 | |
|
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321 | if ((res = psiconv_bytes_to_pixel_data(config,lev+2,off+len,bytes, |
|
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322 | &pixels,bits_per_pixel, |
|
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323 | (*result)->xsize,(*result)->ysize))) |
|
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324 | goto ERROR3; |
|
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325 | |
|
|
326 | /* Use some heuristics; things may get unexpected around here */ |
|
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327 | bluebits = redbits = greenbits = 0; |
|
|
328 | palet = psiconv_palet_none; |
|
|
329 | if (color) { |
|
|
330 | if (bits_per_pixel == 4) |
|
|
331 | palet = psiconv_palet_color_4; |
|
|
332 | else if (bits_per_pixel == 8) |
|
|
333 | palet = psiconv_palet_color_8; |
142 | } else { |
334 | else { |
143 | for (i = 0; i < 0x100-marker; i++) { |
335 | redbits = (bits_per_pixel+2) / 3; |
144 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr+i); |
336 | greenbits = (bits_per_pixel+2) / 3; |
145 | (*result)->red[pixelnr + i*4] = |
337 | bluebits = bits_per_pixel - redbits - greenbits; |
146 | (*result)->green[pixelnr + i*4] = |
|
|
147 | (*result)->blue[pixelnr + i*4] = |
|
|
148 | (temp & 0x03) * (1.0/3.0); |
|
|
149 | (*result)->red[pixelnr + i*4 + 1] = |
|
|
150 | (*result)->green[pixelnr + i*4 +1] = |
|
|
151 | (*result)->blue[pixelnr + i*4 + 1] = |
|
|
152 | ((temp >> 2) & 0x03) * (1.0/3.0); |
|
|
153 | (*result)->red[pixelnr + i*4 + 2] = |
|
|
154 | (*result)->green[pixelnr + i*4 +2] = |
|
|
155 | (*result)->blue[pixelnr + i*4 + 2] = |
|
|
156 | ((temp >> 4) & 0x03) * (1.0/3.0); |
|
|
157 | (*result)->red[pixelnr + i*4 + 3] = |
|
|
158 | (*result)->green[pixelnr + i*4 +3] = |
|
|
159 | (*result)->blue[pixelnr + i*4 + 3] = |
|
|
160 | ((temp >> 6) & 0x03) * (1.0/3.0); |
|
|
161 | } |
|
|
162 | } |
|
|
163 | pixelnr += (0x100 - marker) * 4; |
|
|
164 | datanr += (0x100 - marker); |
|
|
165 | } else { /* marker < 0x080 */ |
|
|
166 | if ((datanr + 1 > datasize) || |
|
|
167 | (marker * 4 + pixelnr > picsize)) { |
|
|
168 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
|
|
169 | psiconv_debug(lev+3,off+len+datanr, |
|
|
170 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
|
|
171 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
|
|
172 | datanr,marker); |
|
|
173 | res = -1; |
|
|
174 | read_err = 1; |
|
|
175 | } else { |
|
|
176 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr); |
|
|
177 | for (i = 0; i < marker; i++) { |
|
|
178 | (*result)->red[pixelnr + i*4] = |
|
|
179 | (*result)->green[pixelnr + i*4] = |
|
|
180 | (*result)->blue[pixelnr + i*4] = |
|
|
181 | (temp & 0x03) * (1.0/3.0); |
|
|
182 | (*result)->red[pixelnr + i*4 + 1] = |
|
|
183 | (*result)->green[pixelnr + i*4 +1] = |
|
|
184 | (*result)->blue[pixelnr + i*4 + 1] = |
|
|
185 | ((temp >> 2) & 0x03) * (1.0/3.0); |
|
|
186 | (*result)->red[pixelnr + i*4 + 2] = |
|
|
187 | (*result)->green[pixelnr + i*4 +2] = |
|
|
188 | (*result)->blue[pixelnr + i*4 + 2] = |
|
|
189 | ((temp >> 4) & 0x03) * (1.0/3.0); |
|
|
190 | (*result)->red[pixelnr + i*4 + 3] = |
|
|
191 | (*result)->green[pixelnr + i*4 +3] = |
|
|
192 | (*result)->blue[pixelnr + i*4 + 3] = |
|
|
193 | ((temp >> 6) & 0x03) * (1.0/3.0); |
|
|
194 | } |
|
|
195 | } |
|
|
196 | pixelnr += marker * 4; |
|
|
197 | datanr += 1; |
|
|
198 | } |
338 | } |
199 | } |
339 | } |
200 | if (!read_err && ((datanr != datasize) || (pixelnr != picsize))) { |
340 | if ((res = psiconv_pixel_data_to_floats(config,lev+2,off+len,pixels, |
201 | psiconv_warn(lev+2,off+len,"Corrupted picture data!"); |
341 | &floats,bits_per_pixel,color, |
202 | psiconv_debug(lev+3,off+len+datanr, |
342 | redbits,greenbits,bluebits,palet))) |
203 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
343 | goto ERROR4; |
204 | "Datanr: %08x",picsize,datasize,pixelnr,datanr); |
|
|
205 | res = -1; |
|
|
206 | } |
344 | |
|
|
345 | (*result)->red = floats.red; |
|
|
346 | (*result)->green = floats.green; |
|
|
347 | (*result)->blue = floats.blue; |
207 | |
348 | |
208 | len += datanr; |
349 | psiconv_list_free(bytes); |
|
|
350 | psiconv_list_free(pixels); |
|
|
351 | |
209 | |
352 | |
210 | if (length) |
353 | if (length) |
211 | *length = len; |
354 | *length = len; |
212 | |
355 | |
213 | psiconv_progress(lev+1,off+len-1,"End of paint data section " |
356 | psiconv_progress(config,lev,off+len-1, |
|
|
357 | "End of Paint Data Section (total length: %08x)", len); |
|
|
358 | |
|
|
359 | return 0; |
|
|
360 | |
|
|
361 | ERROR4: |
|
|
362 | psiconv_list_free(pixels); |
|
|
363 | ERROR3: |
|
|
364 | psiconv_list_free(bytes); |
|
|
365 | ERROR2: |
|
|
366 | free(*result); |
|
|
367 | ERROR1: |
|
|
368 | psiconv_error(config,lev+1,off,"Reading of Paint Data Section failed"); |
|
|
369 | if (length) |
|
|
370 | *length = 0; |
|
|
371 | if (!res) |
|
|
372 | return -PSICONV_E_NOMEM; |
|
|
373 | else |
|
|
374 | return res; |
|
|
375 | } |
|
|
376 | |
|
|
377 | int psiconv_parse_sketch_section(const psiconv_config config, |
|
|
378 | const psiconv_buffer buf, int lev, |
|
|
379 | psiconv_u32 off, int *length, |
|
|
380 | psiconv_sketch_section *result) |
|
|
381 | { |
|
|
382 | int res=0; |
|
|
383 | int len=0; |
|
|
384 | psiconv_u32 temp; |
|
|
385 | int leng; |
|
|
386 | |
|
|
387 | psiconv_progress(config,lev+1,off,"Going to read the sketch section"); |
|
|
388 | if (!(*result = malloc(sizeof(**result)))) |
|
|
389 | goto ERROR1; |
|
|
390 | |
|
|
391 | psiconv_progress(config,lev+2,off+len,"Going to read the displayed hor. size"); |
|
|
392 | (*result)->displayed_xsize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
393 | if (res) |
|
|
394 | goto ERROR2; |
|
|
395 | psiconv_debug(config,lev+2,off+len,"Displayed hor. size: %04x", |
|
|
396 | (*result)->displayed_xsize); |
|
|
397 | len += 0x02; |
|
|
398 | psiconv_progress(config,lev+2,off+len,"Going to read displayed ver. size"); |
|
|
399 | (*result)->displayed_ysize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
400 | if (res) |
|
|
401 | goto ERROR2; |
|
|
402 | psiconv_debug(config,lev+2,off+len,"Displayed ver. size: %04x", |
|
|
403 | (*result)->displayed_ysize); |
|
|
404 | len += 0x02; |
|
|
405 | |
|
|
406 | psiconv_progress(config,lev+2,off+len,"Going to read the data hor. offset"); |
|
|
407 | (*result)->picture_data_x_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
408 | &res); |
|
|
409 | if (res) |
|
|
410 | goto ERROR2; |
|
|
411 | psiconv_debug(config,lev+2,off+len,"Data hor. offset: %04x", |
|
|
412 | (*result)->picture_data_x_offset); |
|
|
413 | len += 0x02; |
|
|
414 | psiconv_progress(config,lev+2,off+len,"Going to read the data ver. offset"); |
|
|
415 | (*result)->picture_data_y_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
416 | &res); |
|
|
417 | if (res) |
|
|
418 | goto ERROR2; |
|
|
419 | psiconv_debug(config,lev+2,off+len,"Data ver. offset: %04x", |
|
|
420 | (*result)->picture_data_y_offset); |
|
|
421 | len += 0x02; |
|
|
422 | |
|
|
423 | psiconv_progress(config,lev+2,off+len,"Going to read the displayed hor. offset"); |
|
|
424 | (*result)->displayed_size_x_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
425 | &res); |
|
|
426 | if (res) |
|
|
427 | goto ERROR2; |
|
|
428 | psiconv_debug(config,lev+2,off+len,"Displayed hor. offset: %04x", |
|
|
429 | (*result)->displayed_size_x_offset); |
|
|
430 | len += 0x02; |
|
|
431 | psiconv_progress(config,lev+2,off+len,"Going to read the displayed ver. offset"); |
|
|
432 | (*result)->displayed_size_y_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
433 | &res); |
|
|
434 | if (res) |
|
|
435 | goto ERROR2; |
|
|
436 | psiconv_debug(config,lev+2,off+len,"Displayed ver. offset: %04x", |
|
|
437 | (*result)->displayed_size_y_offset); |
|
|
438 | len += 0x02; |
|
|
439 | |
|
|
440 | psiconv_progress(config,lev+2,off+len,"Going to read the form hor. size"); |
|
|
441 | (*result)->form_xsize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
442 | if (res) |
|
|
443 | goto ERROR2; |
|
|
444 | psiconv_debug(config,lev+2,off+len,"Form hor. size: %04x", |
|
|
445 | (*result)->form_xsize); |
|
|
446 | len += 0x02; |
|
|
447 | psiconv_progress(config,lev+2,off+len,"Going to read form ver. size"); |
|
|
448 | (*result)->form_ysize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
449 | if (res) |
|
|
450 | goto ERROR2; |
|
|
451 | psiconv_debug(config,lev+2,off+len,"Form ver. size: %04x", |
|
|
452 | (*result)->form_ysize); |
|
|
453 | len += 0x02; |
|
|
454 | |
|
|
455 | psiconv_progress(config,lev+2,off+len,"Going to skip 1 word of zeros"); |
|
|
456 | temp = psiconv_read_u16(config,buf,lev+2,off+len,&res); |
|
|
457 | if (res) |
|
|
458 | goto ERROR2; |
|
|
459 | if (temp != 0) { |
|
|
460 | psiconv_warn(config,lev+2,off+len, |
|
|
461 | "Unexpected value in sketch section preamble (ignored)"); |
|
|
462 | psiconv_debug(config,lev+2,off+len,"Read %04x, expected %04x", |
|
|
463 | temp,0); |
|
|
464 | } |
|
|
465 | off += 0x02; |
|
|
466 | |
|
|
467 | psiconv_progress(config,lev+2,off+len,"Going to read the picture data"); |
|
|
468 | if ((res = psiconv_parse_paint_data_section(config,buf,lev+2,off+len,&leng,0, |
|
|
469 | &((*result)->picture)))) |
|
|
470 | goto ERROR2; |
|
|
471 | off += leng; |
|
|
472 | |
|
|
473 | psiconv_progress(config,lev+2,off+len,"Going to read the hor. magnification"); |
|
|
474 | (*result)->magnification_x = psiconv_read_u16(config,buf,lev+2,off+len,&res)/1000.0; |
|
|
475 | if (res) |
|
|
476 | goto ERROR3; |
|
|
477 | psiconv_debug(config,lev+2,off+len,"Form hor. magnification: %f", |
|
|
478 | (*result)->magnification_x); |
|
|
479 | len += 0x02; |
|
|
480 | psiconv_progress(config,lev+2,off+len,"Going to read the ver. magnification"); |
|
|
481 | (*result)->magnification_y = psiconv_read_u16(config,buf,lev+2,off+len,&res)/1000.0; |
|
|
482 | if (res) |
|
|
483 | goto ERROR3; |
|
|
484 | psiconv_debug(config,lev+2,off+len,"Form ver. magnification: %f", |
|
|
485 | (*result)->magnification_y); |
|
|
486 | len += 0x02; |
|
|
487 | |
|
|
488 | psiconv_progress(config,lev+2,off+len,"Going to read the left cut"); |
|
|
489 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
490 | if (res) |
|
|
491 | goto ERROR3; |
|
|
492 | (*result)->cut_left = (temp * 6.0) / (*result)->displayed_xsize; |
|
|
493 | psiconv_debug(config,lev+2,off+len,"Left cut: raw %08x, real: %f", |
|
|
494 | temp,(*result)->cut_left); |
|
|
495 | len += 0x04; |
|
|
496 | psiconv_progress(config,lev+2,off+len,"Going to read the right cut"); |
|
|
497 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
498 | if (res) |
|
|
499 | goto ERROR3; |
|
|
500 | (*result)->cut_right = (temp * 6.0) / (*result)->displayed_xsize; |
|
|
501 | psiconv_debug(config,lev+2,off+len,"Right cut: raw %08x, real: %f", |
|
|
502 | temp,(*result)->cut_right); |
|
|
503 | len += 0x04; |
|
|
504 | psiconv_progress(config,lev+2,off+len,"Going to read the top cut"); |
|
|
505 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
506 | if (res) |
|
|
507 | goto ERROR3; |
|
|
508 | (*result)->cut_top = (temp * 6.0) / (*result)->displayed_ysize; |
|
|
509 | psiconv_debug(config,lev+2,off+len,"Top cut: raw %08x, real: %f", |
|
|
510 | temp,(*result)->cut_top); |
|
|
511 | len += 0x04; |
|
|
512 | psiconv_progress(config,lev+2,off+len,"Going to read the bottom cut"); |
|
|
513 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
514 | if (res) |
|
|
515 | goto ERROR3; |
|
|
516 | (*result)->cut_bottom = (temp * 6.0) / (*result)->displayed_ysize; |
|
|
517 | psiconv_debug(config,lev+2,off+len,"Bottom cut: raw %08x, real: %f", |
|
|
518 | temp,(*result)->cut_bottom); |
|
|
519 | len += 0x04; |
|
|
520 | |
|
|
521 | if (length) |
|
|
522 | *length = len; |
|
|
523 | |
|
|
524 | psiconv_progress(config,lev,off+len-1, |
214 | "(total length: %08x)", len); |
525 | "End of sketch section (total length: %08x)", len); |
215 | |
526 | |
216 | return res; |
527 | return res; |
|
|
528 | ERROR3: |
|
|
529 | psiconv_free_paint_data_section((*result)->picture); |
|
|
530 | ERROR2: |
|
|
531 | free (*result); |
|
|
532 | ERROR1: |
|
|
533 | psiconv_error(config,lev+1,off,"Reading of Sketch Section failed"); |
|
|
534 | if (length) |
|
|
535 | *length = 0; |
|
|
536 | if (!res) |
|
|
537 | return -PSICONV_E_NOMEM; |
|
|
538 | else |
|
|
539 | return res; |
217 | } |
540 | } |
218 | |
541 | |
219 | |
542 | |
|
|
543 | int psiconv_parse_clipart_section(const psiconv_config config, |
|
|
544 | const psiconv_buffer buf,int lev, |
|
|
545 | psiconv_u32 off, int *length, |
|
|
546 | psiconv_clipart_section *result) |
|
|
547 | { |
|
|
548 | int res=0; |
|
|
549 | int len=0; |
|
|
550 | int leng; |
|
|
551 | psiconv_u32 temp; |
|
|
552 | |
|
|
553 | psiconv_progress(config,lev+1,off+len,"Going to read the clipart section"); |
|
|
554 | if (!(*result = malloc(sizeof(**result)))) |
|
|
555 | goto ERROR1; |
|
|
556 | |
|
|
557 | psiconv_progress(config,lev+2,off+len,"Going to read the section ID"); |
|
|
558 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
559 | if (res) |
|
|
560 | goto ERROR2; |
|
|
561 | if (temp != PSICONV_ID_CLIPART_ITEM) { |
|
|
562 | psiconv_warn(config,lev+2,off+len, |
|
|
563 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
564 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, |
|
|
565 | PSICONV_ID_CLIPART_ITEM); |
|
|
566 | } else |
|
|
567 | psiconv_debug(config,lev+2,off+len,"Clipart ID: %08x", temp); |
|
|
568 | off += 4; |
|
|
569 | |
|
|
570 | psiconv_progress(config,lev+2,off+len,"Going to read an unknown long"); |
|
|
571 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
572 | if (res) |
|
|
573 | goto ERROR2; |
|
|
574 | if (temp != 0x02) { |
|
|
575 | psiconv_warn(config,lev+2,off+len, |
|
|
576 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
577 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, |
|
|
578 | 0x02); |
|
|
579 | } else |
|
|
580 | psiconv_debug(config,lev+2,off+len,"First unknown long: %08x", temp); |
|
|
581 | off += 4; |
|
|
582 | |
|
|
583 | psiconv_progress(config,lev+2,off+len,"Going to read a second unknown long"); |
|
|
584 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
585 | if (res) |
|
|
586 | goto ERROR2; |
|
|
587 | if (temp != 0) { |
|
|
588 | psiconv_warn(config,lev+2,off+len, |
|
|
589 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
590 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
|
|
591 | } else |
|
|
592 | psiconv_debug(config,lev+2,off+len,"Second unknown long: %08x", temp); |
|
|
593 | off += 4; |
|
|
594 | |
|
|
595 | psiconv_progress(config,lev+2,off+len,"Going to read a third unknown long"); |
|
|
596 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
597 | if (res) |
|
|
598 | goto ERROR2; |
|
|
599 | if (temp != 0) { |
|
|
600 | psiconv_warn(config,lev+2,off+len, |
|
|
601 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
602 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
|
|
603 | } else |
|
|
604 | psiconv_debug(config,lev+2,off+len,"Third unknown long: %08x", temp); |
|
|
605 | off += 4; |
|
|
606 | |
|
|
607 | psiconv_progress(config,lev+2,off+len,"Going to read a fourth unknown long"); |
|
|
608 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
609 | if (res) |
|
|
610 | goto ERROR2; |
|
|
611 | if ((temp != 0x0c) && (temp != 0x08)) { |
|
|
612 | psiconv_warn(config,lev+2,off+len, |
|
|
613 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
614 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x or %08x",temp, |
|
|
615 | 0x0c, 0x08); |
|
|
616 | } else |
|
|
617 | psiconv_debug(config,lev+2,off+len,"Fourth unknown long: %08x", temp); |
|
|
618 | off += 4; |
|
|
619 | |
|
|
620 | psiconv_progress(config,lev+2,off+len,"Going to read the Paint Data Section"); |
|
|
621 | if ((res = psiconv_parse_paint_data_section(config,buf,lev+2,off+len,&leng,1, |
|
|
622 | &((*result)->picture)))) |
|
|
623 | goto ERROR2; |
|
|
624 | len += leng; |
|
|
625 | |
|
|
626 | if (length) |
|
|
627 | *length = len; |
|
|
628 | |
|
|
629 | psiconv_progress(config,lev,off+len-1, |
|
|
630 | "End of clipart section (total length: %08x)", len); |
|
|
631 | return 0; |
|
|
632 | |
|
|
633 | ERROR2: |
|
|
634 | free (*result); |
|
|
635 | ERROR1: |
|
|
636 | psiconv_error(config,lev+1,off,"Reading of Font failed"); |
|
|
637 | if (length) |
|
|
638 | *length = 0; |
|
|
639 | if (!res) |
|
|
640 | return -PSICONV_E_NOMEM; |
|
|
641 | else |
|
|
642 | return res; |
|
|
643 | } |
|
|
644 | |
|
|
645 | int psiconv_decode_rle8 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
646 | const psiconv_pixel_bytes encoded, |
|
|
647 | psiconv_pixel_bytes *decoded) |
|
|
648 | { |
|
|
649 | int res=0; |
|
|
650 | psiconv_u8 *marker,*value; |
|
|
651 | int i,j; |
|
|
652 | |
|
|
653 | psiconv_progress(config,lev+1,off,"Going to decode the RLE8 encoding"); |
|
|
654 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
655 | goto ERROR1; |
|
|
656 | |
|
|
657 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
658 | #ifdef LOUD |
|
|
659 | psiconv_progress(config,lev+2,off,"Going to read marker byte at %04x",i); |
|
|
660 | #endif |
|
|
661 | if (!(marker = psiconv_list_get(encoded,i))) |
|
|
662 | goto ERROR2; |
|
|
663 | #ifdef LOUD |
|
|
664 | psiconv_debug(config,lev+2,off,"Marker byte: %02x",*marker); |
|
|
665 | #endif |
|
|
666 | if (*marker < 0x80) { |
|
|
667 | #ifdef LOUD |
|
|
668 | psiconv_debug(config,lev+2,off,"Marker: repeat value byte %02x times", |
|
|
669 | *marker+1); */ |
|
|
670 | psiconv_progress(config,lev+2,off,"Going to read value byte at %04x",i+1); |
|
|
671 | #endif |
|
|
672 | if (!(value = psiconv_list_get(encoded,i+1))) |
|
|
673 | goto ERROR2; |
|
|
674 | #ifdef LOUD |
|
|
675 | psiconv_debug(config,lev+2,off,"Value byte: %02x",*value); |
|
|
676 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %02x", |
|
|
677 | *marker+1,*value); |
|
|
678 | #endif |
|
|
679 | for (j = 0; j < *marker + 1; j++) |
|
|
680 | if ((res = psiconv_list_add(*decoded,value))) |
|
|
681 | goto ERROR2; |
|
|
682 | i += 2; |
|
|
683 | } else { |
|
|
684 | #ifdef LOUD |
|
|
685 | psiconv_debug(config,lev+2,off,"Marker: %02x value bytes follow", |
|
|
686 | 0x100 - *marker); |
|
|
687 | #endif |
|
|
688 | for (j = 0; j < (0x100 - *marker); j++) { |
|
|
689 | #ifdef LOUD |
|
|
690 | psiconv_progress(config,lev+2,off,"Going to read value byte at %04x", |
|
|
691 | i+j+1); |
|
|
692 | #endif |
|
|
693 | if (!(value = psiconv_list_get(encoded,i+j+1))) |
|
|
694 | goto ERROR2; |
|
|
695 | #ifdef LOUD |
|
|
696 | psiconv_debug(config,lev+2,off,"Value: %02x",*value); |
|
|
697 | #endif |
|
|
698 | if ((res = psiconv_list_add(*decoded,value))) |
|
|
699 | goto ERROR2; |
|
|
700 | } |
|
|
701 | i += (0x100 - *marker) + 1; |
|
|
702 | } |
|
|
703 | } |
|
|
704 | psiconv_progress(config,lev,off, |
|
|
705 | "End of RLE8 decoding process"); |
|
|
706 | return 0; |
|
|
707 | |
|
|
708 | ERROR2: |
|
|
709 | psiconv_list_free(*decoded); |
|
|
710 | ERROR1: |
|
|
711 | psiconv_error(config,lev+1,off,"Decoding of RLE8 failed"); |
|
|
712 | if (!res) |
|
|
713 | return -PSICONV_E_NOMEM; |
|
|
714 | else |
|
|
715 | return res; |
|
|
716 | } |
|
|
717 | |
|
|
718 | int psiconv_decode_rle12 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
719 | const psiconv_pixel_bytes encoded, |
|
|
720 | psiconv_pixel_bytes *decoded) |
|
|
721 | { |
|
|
722 | int res=0; |
|
|
723 | psiconv_u8 *value0,*value1; |
|
|
724 | psiconv_u32 value,repeat; |
|
|
725 | int i,j; |
|
|
726 | |
|
|
727 | psiconv_progress(config,lev+1,off,"Going to decode the RLE12 encoding"); |
|
|
728 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
729 | goto ERROR1; |
|
|
730 | |
|
|
731 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
732 | psiconv_progress(config,lev+2,off,"Going to read data word at %04x",i); |
|
|
733 | if (!(value0 = psiconv_list_get(encoded,i))) |
|
|
734 | goto ERROR2; |
|
|
735 | if (!(value1 = psiconv_list_get(encoded,i+1))) |
|
|
736 | goto ERROR2; |
|
|
737 | psiconv_debug(config,lev+2,off,"Data Word: %04x",*value0 + (*value1 << 8)); |
|
|
738 | value = *value0 + ((*value1 & 0x0f) << 8); |
|
|
739 | repeat = (*value1 >> 4) + 1; |
|
|
740 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %03x", |
|
|
741 | repeat,value); |
|
|
742 | for (j = 0; j < repeat; j ++) |
|
|
743 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
744 | goto ERROR2; |
|
|
745 | i += 2; |
|
|
746 | } |
|
|
747 | psiconv_progress(config,lev,off, |
|
|
748 | "End of RLE12 decoding process"); |
|
|
749 | return 0; |
|
|
750 | |
|
|
751 | ERROR2: |
|
|
752 | psiconv_list_free(*decoded); |
|
|
753 | ERROR1: |
|
|
754 | psiconv_error(config,lev+1,off,"Decoding of RLE12 failed"); |
|
|
755 | if (!res) |
|
|
756 | return -PSICONV_E_NOMEM; |
|
|
757 | else |
|
|
758 | return res; |
|
|
759 | } |
|
|
760 | |
|
|
761 | int psiconv_decode_rle16 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
762 | const psiconv_pixel_bytes encoded, |
|
|
763 | psiconv_pixel_bytes *decoded) |
|
|
764 | { |
|
|
765 | int res=0; |
|
|
766 | psiconv_u8 *marker,*value0,*value1; |
|
|
767 | psiconv_u32 value; |
|
|
768 | int i,j; |
|
|
769 | |
|
|
770 | psiconv_progress(config,lev+1,off,"Going to decode the RLE16 encoding"); |
|
|
771 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
772 | goto ERROR1; |
|
|
773 | |
|
|
774 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
775 | psiconv_progress(config,lev+2,off,"Going to read marker byte at %04x",i); |
|
|
776 | if (!(marker = psiconv_list_get(encoded,i))) |
|
|
777 | goto ERROR2; |
|
|
778 | psiconv_debug(config,lev+2,off,"Marker byte: %02x",*marker); |
|
|
779 | if (*marker < 0x80) { |
|
|
780 | psiconv_debug(config,lev+2,off,"Marker: repeat value word %02x times", |
|
|
781 | *marker+1); |
|
|
782 | psiconv_progress(config,lev+2,off,"Going to read value word at %04x",i+1); |
|
|
783 | if (!(value0 = psiconv_list_get(encoded,i+1))) |
|
|
784 | goto ERROR2; |
|
|
785 | if (!(value1 = psiconv_list_get(encoded,i+2))) |
|
|
786 | goto ERROR2; |
|
|
787 | value = *value0 + (*value1 << 8); |
|
|
788 | psiconv_debug(config,lev+2,off,"Value word: %02x",value); |
|
|
789 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %04x", |
|
|
790 | *marker+1,value); |
|
|
791 | for (j = 0; j < *marker + 1; j++) |
|
|
792 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
793 | goto ERROR2; |
|
|
794 | i += 3; |
|
|
795 | } else { |
|
|
796 | psiconv_debug(config,lev+2,off,"Marker: %02x value words follow", |
|
|
797 | 0x100 - *marker); |
|
|
798 | for (j = 0; j < (0x100 - *marker); j++) { |
|
|
799 | psiconv_progress(config,lev+2,off,"Going to read value word at %04x", |
|
|
800 | i+j*2+1); |
|
|
801 | if (!(value0 = psiconv_list_get(encoded,i+j*2+1))) |
|
|
802 | goto ERROR2; |
|
|
803 | if (!(value1 = psiconv_list_get(encoded,i+j*2+2))) |
|
|
804 | goto ERROR2; |
|
|
805 | value = *value0 + (*value1 << 8); |
|
|
806 | psiconv_debug(config,lev+2,off,"Value: %04x",value); |
|
|
807 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
808 | goto ERROR2; |
|
|
809 | } |
|
|
810 | i += (0x100 - *marker)*2 + 1; |
|
|
811 | } |
|
|
812 | } |
|
|
813 | psiconv_progress(config,lev,off, |
|
|
814 | "End of RLE16 decoding process"); |
|
|
815 | return 0; |
|
|
816 | |
|
|
817 | ERROR2: |
|
|
818 | psiconv_list_free(*decoded); |
|
|
819 | ERROR1: |
|
|
820 | psiconv_error(config,lev+1,off,"Decoding of RLE16 failed"); |
|
|
821 | if (!res) |
|
|
822 | return -PSICONV_E_NOMEM; |
|
|
823 | else |
|
|
824 | return res; |
|
|
825 | } |
|
|
826 | |
|
|
827 | int psiconv_decode_rle24 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
828 | const psiconv_pixel_bytes encoded, |
|
|
829 | psiconv_pixel_bytes *decoded) |
|
|
830 | { |
|
|
831 | int res=0; |
|
|
832 | psiconv_u8 *marker,*value0,*value1,*value2; |
|
|
833 | psiconv_u32 value; |
|
|
834 | int i,j; |
|
|
835 | |
|
|
836 | psiconv_progress(config,lev+1,off,"Going to decode the RLE24 encoding"); |
|
|
837 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
838 | goto ERROR1; |
|
|
839 | |
|
|
840 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
841 | psiconv_progress(config,lev+2,off,"Going to read marker byte at %04x",i); |
|
|
842 | if (!(marker = psiconv_list_get(encoded,i))) |
|
|
843 | goto ERROR2; |
|
|
844 | psiconv_debug(config,lev+2,off,"Marker byte: %02x",*marker); |
|
|
845 | if (*marker < 0x80) { |
|
|
846 | psiconv_debug(config,lev+2,off,"Marker: repeat value byte triplet %02x times", |
|
|
847 | *marker+1); |
|
|
848 | psiconv_progress(config,lev+2,off,"Going to read value byte triplet at %04x",i+1); |
|
|
849 | if (!(value0 = psiconv_list_get(encoded,i+1))) |
|
|
850 | goto ERROR2; |
|
|
851 | if (!(value1 = psiconv_list_get(encoded,i+2))) |
|
|
852 | goto ERROR2; |
|
|
853 | if (!(value2 = psiconv_list_get(encoded,i+3))) |
|
|
854 | goto ERROR2; |
|
|
855 | value = *value0 + (*value1 << 8) + (*value2 << 16); |
|
|
856 | psiconv_debug(config,lev+2,off,"Value byte triplet: %06x",value); |
|
|
857 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %06x", |
|
|
858 | *marker+1,value); |
|
|
859 | for (j = 0; j < *marker + 1; j++) |
|
|
860 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
861 | goto ERROR2; |
|
|
862 | i += 4; |
|
|
863 | } else { |
|
|
864 | psiconv_debug(config,lev+2,off,"Marker: %02x value byte triplets follow", |
|
|
865 | 0x100 - *marker); |
|
|
866 | for (j = 0; j < (0x100 - *marker); j++) { |
|
|
867 | psiconv_progress(config,lev+2,off,"Going to read value byte triplets at %04x", |
|
|
868 | i+j*3+1); |
|
|
869 | if (!(value0 = psiconv_list_get(encoded,i+j*3+1))) |
|
|
870 | goto ERROR2; |
|
|
871 | if (!(value1 = psiconv_list_get(encoded,i+j*3+2))) |
|
|
872 | goto ERROR2; |
|
|
873 | if (!(value2 = psiconv_list_get(encoded,i+j*3+3))) |
|
|
874 | goto ERROR2; |
|
|
875 | value = *value0 + (*value1 << 8) + (*value2 << 16); |
|
|
876 | psiconv_debug(config,lev+2,off,"Value: %06x",value); |
|
|
877 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
878 | goto ERROR2; |
|
|
879 | } |
|
|
880 | i += (0x100 - *marker)*3 + 1; |
|
|
881 | } |
|
|
882 | } |
|
|
883 | psiconv_progress(config,lev,off, |
|
|
884 | "End of RLE24 decoding process"); |
|
|
885 | return 0; |
|
|
886 | |
|
|
887 | ERROR2: |
|
|
888 | psiconv_list_free(*decoded); |
|
|
889 | ERROR1: |
|
|
890 | psiconv_error(config,lev+1,off,"Decoding of RLE24 failed"); |
|
|
891 | if (!res) |
|
|
892 | return -PSICONV_E_NOMEM; |
|
|
893 | else |
|
|
894 | return res; |
|
|
895 | } |
|
|
896 | |
|
|
897 | int psiconv_bytes_to_pixel_data(const psiconv_config config, |
|
|
898 | int lev, psiconv_u32 off, |
|
|
899 | const psiconv_pixel_bytes bytes, |
|
|
900 | psiconv_pixel_ints *pixels, |
|
|
901 | int colordepth, int xsize, int ysize) |
|
|
902 | { |
|
|
903 | int res=0; |
|
|
904 | int ibits,obits,x,y,bits; |
|
|
905 | psiconv_u8 input; |
|
|
906 | psiconv_u32 nr,output; |
|
|
907 | psiconv_u8 *ientry; |
|
|
908 | |
|
|
909 | psiconv_progress(config,lev+1,off,"Going to convert the bytes to pixels"); |
|
|
910 | if (!(*pixels = psiconv_list_new(sizeof(psiconv_u32)))) |
|
|
911 | goto ERROR1; |
|
|
912 | |
|
|
913 | nr = 0; |
|
|
914 | for (y = 0; y < ysize; y++) { |
|
|
915 | /* New lines will start at longs */ |
|
|
916 | while (nr % 4) |
|
|
917 | nr ++; |
|
|
918 | input = 0; |
|
|
919 | ibits = 0; |
|
|
920 | for (x= 0; x < xsize; x++) { |
|
|
921 | #ifdef LOUD |
|
|
922 | psiconv_progress(config,lev+2,off, |
|
|
923 | "Processing pixel at (x,y) = (%04x,%04x)",x,y); |
|
|
924 | #endif |
|
|
925 | output = 0; |
|
|
926 | obits = 0; |
|
|
927 | while (obits < colordepth) { |
|
|
928 | if (ibits == 0) { |
|
|
929 | #ifdef LOUD |
|
|
930 | psiconv_progress(config,lev+3,off, |
|
|
931 | "Going to read byte %08x",nr); |
|
|
932 | #endif |
|
|
933 | if (!(ientry = psiconv_list_get(bytes,nr))) |
|
|
934 | goto ERROR2; |
|
|
935 | #ifdef LOUD |
|
|
936 | psiconv_debug(config,lev+3,off,"Byte value: %02x",*ientry); |
|
|
937 | #endif |
|
|
938 | input = *ientry; |
|
|
939 | ibits = 8; |
|
|
940 | nr ++; |
|
|
941 | } |
|
|
942 | bits = ibits + obits > colordepth?colordepth-obits:ibits; |
|
|
943 | output = output << bits; |
|
|
944 | output |= input & ((1 << bits) - 1); |
|
|
945 | input = input >> bits; |
|
|
946 | ibits -= bits; |
|
|
947 | obits += bits; |
|
|
948 | } |
|
|
949 | #ifdef LOUD |
|
|
950 | psiconv_debug(config,lev+2,off,"Pixel value: %08x",output); |
|
|
951 | #endif |
|
|
952 | if ((res = psiconv_list_add(*pixels,&output))) |
|
|
953 | goto ERROR2; |
|
|
954 | } |
|
|
955 | } |
|
|
956 | |
|
|
957 | psiconv_progress(config,lev,off, |
|
|
958 | "Converting bytes to pixels completed"); |
|
|
959 | return 0; |
|
|
960 | |
|
|
961 | |
|
|
962 | ERROR2: |
|
|
963 | psiconv_list_free(*pixels); |
|
|
964 | ERROR1: |
|
|
965 | psiconv_error(config,lev+1,off,"Converting bytes to pixels failed"); |
|
|
966 | if (!res) |
|
|
967 | return -PSICONV_E_NOMEM; |
|
|
968 | else |
|
|
969 | return res; |
|
|
970 | } |
|
|
971 | |
|
|
972 | int psiconv_pixel_data_to_floats (const psiconv_config config, int lev, |
|
|
973 | psiconv_u32 off, |
|
|
974 | const psiconv_pixel_ints pixels, |
|
|
975 | psiconv_pixel_floats_t *floats, |
|
|
976 | int colordepth, int color, |
|
|
977 | int redbits, int bluebits, int greenbits, |
|
|
978 | const psiconv_pixel_floats_t palet) |
|
|
979 | { |
|
|
980 | int res = 0; |
|
|
981 | psiconv_u32 i; |
|
|
982 | psiconv_u32 *pixel; |
|
|
983 | |
|
|
984 | psiconv_progress(config,lev+1,off,"Going to convert pixels to floats"); |
|
|
985 | if (!((*floats).red = malloc(psiconv_list_length(pixels) * |
|
|
986 | sizeof(*(*floats).red)))) |
|
|
987 | goto ERROR1; |
|
|
988 | if (!((*floats).green = malloc(psiconv_list_length(pixels) * |
|
|
989 | sizeof(*(*floats).green)))) |
|
|
990 | goto ERROR2; |
|
|
991 | if (!((*floats).blue = malloc(psiconv_list_length(pixels) * |
|
|
992 | sizeof(*(*floats).blue)))) |
|
|
993 | goto ERROR3; |
|
|
994 | (*floats).length = psiconv_list_length(pixels); |
|
|
995 | |
|
|
996 | for (i = 0; i < psiconv_list_length(pixels); i++) { |
|
|
997 | if (!(pixel = psiconv_list_get(pixels,i))) |
|
|
998 | goto ERROR4; |
|
|
999 | #ifdef LOUD |
|
|
1000 | psiconv_progress(config,lev+2,off, "Handling pixel %04x (%04x)",i,*pixel); |
|
|
1001 | #endif |
|
|
1002 | if (!palet.length) { |
|
|
1003 | if (color) { |
|
|
1004 | (*floats).blue[i] = ((float) (*pixel & ((1 << bluebits) - 1))) / |
|
|
1005 | ((1 << bluebits) - 1); |
|
|
1006 | (*floats).green[i] = ((float) ((*pixel >> bluebits) & |
|
|
1007 | ((1 << greenbits) - 1))) / ((1 << greenbits) - 1); |
|
|
1008 | (*floats).red[i] = ((float) ((*pixel >> (bluebits+greenbits)) & |
|
|
1009 | ((1 << redbits) - 1))) / ((1 << redbits) - 1); |
|
|
1010 | } else { |
|
|
1011 | (*floats).red[i] = (*floats).green[i] = |
|
|
1012 | (*floats).blue[i] = ((float) *pixel) / |
|
|
1013 | ((1 << colordepth) - 1); |
|
|
1014 | } |
|
|
1015 | } else { |
|
|
1016 | if (*pixel >= palet.length) { |
|
|
1017 | psiconv_warn(config,lev+2,off, |
|
|
1018 | "Invalid palet color found (using color 0x00)"); |
|
|
1019 | (*floats).red[i] = palet.red[0]; |
|
|
1020 | (*floats).green[i] = palet.green[0]; |
|
|
1021 | (*floats).blue[i] = palet.blue[0]; |
|
|
1022 | } else { |
|
|
1023 | (*floats).red[i] = palet.red[*pixel]; |
|
|
1024 | (*floats).green[i] = palet.green[*pixel]; |
|
|
1025 | (*floats).blue[i] = palet.blue[*pixel]; |
|
|
1026 | } |
|
|
1027 | } |
|
|
1028 | #ifdef LOUD |
|
|
1029 | psiconv_debug(config,lev+2,off, "Pixel: Red (%f), green (%f), blue (%f)", |
|
|
1030 | (*floats).red[i],(*floats).green[i],(*floats).blue[i]); |
|
|
1031 | #endif |
|
|
1032 | } |
|
|
1033 | psiconv_progress(config,lev+1,off,"Finished converting pixels to floats"); |
|
|
1034 | return 0; |
|
|
1035 | |
|
|
1036 | ERROR4: |
|
|
1037 | free((*floats).blue); |
|
|
1038 | ERROR3: |
|
|
1039 | free((*floats).green); |
|
|
1040 | ERROR2: |
|
|
1041 | free((*floats).red); |
|
|
1042 | ERROR1: |
|
|
1043 | psiconv_error(config,lev+1,off,"Converting pixels to floats failed"); |
|
|
1044 | if (!res) |
|
|
1045 | return -PSICONV_E_NOMEM; |
|
|
1046 | else |
|
|
1047 | return res; |
|
|
1048 | } |
|
|
1049 | |
|
|
1050 | |
|
|
1051 | |