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20 | #include "config.h" |
20 | #include "config.h" |
21 | #include <stdlib.h> |
21 | #include <stdlib.h> |
22 | |
22 | |
23 | #include "data.h" |
23 | #include "data.h" |
24 | #include "parse_routines.h" |
24 | #include "parse_routines.h" |
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25 | |
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26 | int psiconv_parse_mbm_jumptable_section(const psiconv_buffer buf,int lev, |
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27 | psiconv_u32 off, int *length, |
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28 | psiconv_mbm_jumptable_section *result) |
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29 | { |
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30 | int res = 0; |
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31 | int len = 0; |
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32 | psiconv_u32 listlen,temp; |
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33 | int i; |
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34 | |
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35 | psiconv_progress(lev+1,off+len,"Going to read the mbm jumptable section"); |
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36 | (*result) = psiconv_list_new(sizeof(psiconv_u32)); |
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37 | |
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38 | psiconv_progress(lev+2,off+len,"Going to read the list length"); |
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39 | listlen = psiconv_read_u32(buf,lev+2,off+len); |
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40 | psiconv_debug(lev+2,off+len,"List length: %08x",listlen); |
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41 | len += 4; |
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42 | |
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43 | psiconv_progress(lev+2,off+len,"Going to read the list"); |
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44 | for (i = 0; i < listlen; i++) { |
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45 | temp = psiconv_read_u32(buf,lev+2,off+len); |
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46 | psiconv_list_add(*result,&temp); |
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47 | psiconv_debug(lev+3,off+len,"Offset: %08x",temp); |
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48 | len += 4; |
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49 | } |
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50 | |
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51 | if (length) |
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52 | *length = len; |
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53 | |
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54 | psiconv_progress(lev+1,off+len-1,"End of mbm jumptable section " |
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55 | "(total length: %08x)", len); |
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56 | |
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57 | return res; |
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58 | } |
25 | |
59 | |
26 | int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev, |
60 | int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev, |
27 | psiconv_u32 off, int *length, |
61 | psiconv_u32 off, int *length, |
28 | psiconv_paint_data_section *result) |
62 | psiconv_paint_data_section *result) |
29 | { |
63 | { |
30 | int res = 0; |
64 | int res = 0; |
31 | int len = 0; |
65 | int len = 0; |
32 | psiconv_u32 size; |
66 | int read_err = 0; |
33 | int leng; |
67 | psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen; |
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68 | psiconv_u8 marker; |
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69 | int i; |
34 | |
70 | |
35 | psiconv_progress(lev+1,off,"Going to read a paint data section"); |
71 | psiconv_progress(lev+1,off,"Going to read a paint data section"); |
36 | (*result) = malloc(sizeof(**result)); |
72 | (*result) = malloc(sizeof(**result)); |
37 | |
73 | |
38 | psiconv_progress(lev+2,off+len,"Going to read section size"); |
74 | psiconv_progress(lev+2,off+len,"Going to read section size"); |
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40 | psiconv_debug(lev+2,off+len,"Section size: %08x",size); |
76 | psiconv_debug(lev+2,off+len,"Section size: %08x",size); |
41 | len += 4; |
77 | len += 4; |
42 | |
78 | |
43 | psiconv_progress(lev+2,off+len,"Going to read pixel data offset"); |
79 | psiconv_progress(lev+2,off+len,"Going to read pixel data offset"); |
44 | offset = psiconv_read_u32(buf,lev+2,off+len); |
80 | offset = psiconv_read_u32(buf,lev+2,off+len); |
45 | if (size != 0x28) { |
81 | if (offset != 0x28) { |
46 | psiconv_warn(lev+2,off+len, |
82 | psiconv_warn(lev+2,off+len, |
47 | "Paint data section data offset has unexpected value"); |
83 | "Paint data section data offset has unexpected value"); |
48 | psiconv_debug(lev+2,off+len, |
84 | psiconv_debug(lev+2,off+len, |
49 | "Data offset: read %08x, expected %08x",offset,0x28); |
85 | "Data offset: read %08x, expected %08x",offset,0x28); |
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86 | res = -1; |
50 | } |
87 | } |
51 | len += 4; |
88 | len += 4; |
52 | |
89 | |
53 | psiconv_progress(lev+2,off+len,"Going to read picture X size"); |
90 | psiconv_progress(lev+2,off+len,"Going to read picture X size"); |
54 | (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len); |
91 | (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len); |
… | |
… | |
58 | psiconv_progress(lev+2,off+len,"Going to read picture Y size"); |
95 | psiconv_progress(lev+2,off+len,"Going to read picture Y size"); |
59 | (*result)->ysize = psiconv_read_u32(buf,lev+2,off+len); |
96 | (*result)->ysize = psiconv_read_u32(buf,lev+2,off+len); |
60 | psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
97 | psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
61 | len += 4; |
98 | len += 4; |
62 | |
99 | |
63 | picsize = (*result)->ysize * (*result)->xsize; |
100 | picsize = (*result)->ysize * (*result)->xsize * 2; |
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101 | linelen = (*result)->xsize; |
64 | |
102 | |
65 | psiconv_progress("Going to read 6 unused longs"); |
103 | psiconv_progress(lev+2,off+len,"Going to read 6 unknown longs"); |
66 | for (i = 0 ; i < 6; i++) { |
104 | for (i = 0 ; i < 6; i++) { |
67 | temp = psiconv_read_u32(buf,lev+2,off+len); |
105 | temp = psiconv_read_u32(buf,lev+2,off+len); |
68 | if (temp != 0x00) { |
106 | if (temp != (i==2?0x02:i==5?0x01:0x00)) { |
69 | psiconv_warn(lev+2,off+len, |
107 | psiconv_warn(lev+2,off+len, |
70 | "Paint data section prologue has unknown values"); |
108 | "Paint data section prologue has unknown values"); |
71 | psiconv_debug(lev+2,off+len, |
109 | psiconv_debug(lev+2,off+len, |
72 | "offset %02x: read %08x, expected %08x",i,temp,0x00); |
110 | "offset %02x: read %08x, expected %08x",i,temp, |
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111 | i==2?0x02:i==5?0x01:0x00); |
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112 | res = -1; |
73 | } |
113 | } |
74 | len += 4; |
114 | len += 4; |
75 | } |
115 | } |
76 | |
116 | |
77 | (*result)->red = malloc(sizeof(float) * picsize); |
117 | (*result)->red = malloc(sizeof(float) * picsize); |
78 | (*result)->green = malloc(sizeof(float) * picsize); |
118 | (*result)->green = malloc(sizeof(float) * picsize); |
79 | (*result)->blue = malloc(sizeof(float) * picsize); |
119 | (*result)->blue = malloc(sizeof(float) * picsize); |
80 | len = offset; |
120 | len = offset; |
81 | datasize = size - len; |
121 | datasize = size - len; |
82 | |
122 | |
83 | psiconv_progress(buf,lev+2,off+len,"Going to read the pixel data"); |
123 | psiconv_progress(lev+2,off+len,"Going to read the pixel data"); |
84 | pixelnr = 0; |
124 | pixelnr = 0; |
85 | datanr = 0; |
125 | datanr = 0; |
86 | while ((datanr < datasize) && (pixelnr < picsize)) { |
126 | while ((datanr < datasize) && (pixelnr < picsize)) { |
87 | marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
127 | marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
88 | psiconv_debug(lev+3,off+len+datanr, |
128 | psiconv_debug(lev+3,off+len+datanr, |
89 | "Pixelnr %08x, Datanr %08x: Read marker %02x", |
129 | "Pixelnr %08x, Datanr %08x: Read marker %02x", |
90 | pixelnr,datanr,marker); |
130 | pixelnr,datanr,marker); |
91 | datanr ++; |
131 | datanr ++; |
92 | if (marker >= 0x80) { |
132 | if (marker >= 0x80) { |
93 | /* 0x100 - marker bytes of data follow */ |
133 | /* 0x100 - marker bytes of data follow */ |
94 | if ((0x100 - marker + datanr > datasize) || |
134 | for (i = 0; i < 0x100-marker; i++,datanr++) { |
95 | ((0x100 - marker) * 4 + pixelnr > picsize)) { |
135 | if ((picsize == pixelnr) || (datasize == datanr)) { |
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136 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
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137 | psiconv_debug(lev+3,off+len+datanr, |
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138 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
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139 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
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140 | datanr,marker); |
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141 | read_err = 1; |
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142 | res = -1; |
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143 | break; |
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144 | } |
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145 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr); |
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146 | (*result)->red[pixelnr] = |
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147 | (*result)->green[pixelnr] = |
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148 | (*result)->blue[pixelnr] = |
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149 | (temp & 0x03) * (1.0/3.0); |
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150 | pixelnr ++; |
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151 | if (pixelnr % linelen == 0) |
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152 | continue; |
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153 | (*result)->red[pixelnr] = |
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154 | (*result)->green[pixelnr] = |
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155 | (*result)->blue[pixelnr] = |
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156 | ((temp >> 2) & 0x03) * (1.0/3.0); |
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157 | pixelnr ++; |
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158 | if (pixelnr % linelen == 0) |
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159 | continue; |
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160 | (*result)->red[pixelnr] = |
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161 | (*result)->green[pixelnr] = |
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162 | (*result)->blue[pixelnr] = |
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163 | ((temp >> 4) & 0x03) * (1.0/3.0); |
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164 | pixelnr ++; |
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165 | if (pixelnr % linelen == 0) |
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166 | continue; |
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167 | (*result)->red[pixelnr] = |
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168 | (*result)->green[pixelnr] = |
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169 | (*result)->blue[pixelnr] = |
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170 | ((temp >> 6) & 0x03) * (1.0/3.0); |
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171 | } |
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172 | } else { /* marker < 0x080 */ |
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173 | if (datasize == datanr) { |
96 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
174 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
97 | psiconv_debug(lev+3,off+len+datanr, |
175 | psiconv_debug(lev+3,off+len+datanr, |
98 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
176 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
99 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
177 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
100 | datanr,marker); |
178 | datanr,marker); |
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179 | read_err = 1; |
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180 | res = -1; |
101 | } else { |
181 | } else { |
102 | for (i = 0; i < 0x100-marker; i++) { |
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103 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr+i); |
182 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr); |
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183 | for (i = 0; i <= marker; i++) { |
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184 | if (picsize == pixelnr) { |
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185 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
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186 | psiconv_debug(lev+3,off+len+datanr, |
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187 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
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188 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
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189 | datanr,marker); |
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190 | read_err = 1; |
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191 | res = -1; |
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192 | break; |
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193 | } |
104 | (*result)->red[pixelnr + i*4] = |
194 | (*result)->red[pixelnr] = |
105 | (*result)->green[pixelnr + i*4] = |
195 | (*result)->green[pixelnr] = |
106 | (*result)->blue[pixelnr + i*4] = |
196 | (*result)->blue[pixelnr] = |
107 | (temp & 0x03) * (1.0/3.0); |
197 | (temp & 0x03) * (1.0/3.0); |
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198 | pixelnr ++; |
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199 | if (pixelnr % linelen == 0) |
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200 | continue; |
108 | (*result)->red[pixelnr + i*4 + 1] = |
201 | (*result)->red[pixelnr] = |
109 | (*result)->green[pixelnr + i*4 +1] = |
202 | (*result)->green[pixelnr] = |
110 | (*result)->blue[pixelnr + i*4 + 1] = |
203 | (*result)->blue[pixelnr] = |
111 | ((temp >> 2) & 0x03) * (1.0/3.0); |
204 | ((temp >> 2) & 0x03) * (1.0/3.0); |
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205 | pixelnr ++; |
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206 | if (pixelnr % linelen == 0) |
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207 | continue; |
112 | (*result)->red[pixelnr + i*4 + 2] = |
208 | (*result)->red[pixelnr] = |
113 | (*result)->green[pixelnr + i*4 +2] = |
209 | (*result)->green[pixelnr] = |
114 | (*result)->blue[pixelnr + i*4 + 2] = |
210 | (*result)->blue[pixelnr] = |
115 | ((temp >> 4) & 0x03) * (1.0/3.0); |
211 | ((temp >> 4) & 0x03) * (1.0/3.0); |
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212 | pixelnr ++; |
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213 | if (pixelnr % linelen == 0) |
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214 | continue; |
116 | (*result)->red[pixelnr + i*4 + 3] = |
215 | (*result)->red[pixelnr] = |
117 | (*result)->green[pixelnr + i*4 +3] = |
216 | (*result)->green[pixelnr] = |
118 | (*result)->blue[pixelnr + i*4 + 3] = |
217 | (*result)->blue[pixelnr] = |
119 | ((temp >> 6) & 0x03) * (1.0/3.0); |
218 | ((temp >> 6) & 0x03) * (1.0/3.0); |
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219 | pixelnr ++; |
120 | } |
220 | } |
121 | } |
221 | } |
122 | pixelnr += (0x100 - marker) * 4; |
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123 | datanr += (0x100 - marker); |
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124 | } else { /* marker < 0x080 */ |
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125 | if ((datanr + 1 > datasize) || |
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126 | (marker * 4 + pixelnr > picsize)) { |
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127 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
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128 | psiconv_debug(lev+3,off+len+datanr, |
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129 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
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130 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
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131 | datanr,marker); |
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132 | } else { |
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133 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr); |
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134 | for (i = 0; i < marker; i++) { |
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135 | (*result)->red[pixelnr + i*4] = |
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136 | (*result)->green[pixelnr + i*4] = |
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137 | (*result)->blue[pixelnr + i*4] = |
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138 | (temp & 0x03) * (1.0/3.0); |
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139 | (*result)->red[pixelnr + i*4 + 1] = |
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140 | (*result)->green[pixelnr + i*4 +1] = |
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141 | (*result)->blue[pixelnr + i*4 + 1] = |
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142 | ((temp >> 2) & 0x03) * (1.0/3.0); |
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143 | (*result)->red[pixelnr + i*4 + 2] = |
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144 | (*result)->green[pixelnr + i*4 +2] = |
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145 | (*result)->blue[pixelnr + i*4 + 2] = |
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146 | ((temp >> 4) & 0x03) * (1.0/3.0); |
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147 | (*result)->red[pixelnr + i*4 + 3] = |
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148 | (*result)->green[pixelnr + i*4 +3] = |
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149 | (*result)->blue[pixelnr + i*4 + 3] = |
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150 | ((temp >> 6) & 0x03) * (1.0/3.0); |
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151 | } |
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152 | } |
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153 | pixelnr += marker * 4; |
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154 | datanr += 1; |
222 | datanr += 1; |
155 | } |
223 | } |
156 | } |
224 | } |
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225 | if (!read_err && ((datanr != datasize) || (pixelnr != picsize))) { |
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226 | psiconv_warn(lev+2,off+len,"Corrupted picture data!"); |
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227 | psiconv_debug(lev+3,off+len+datanr, |
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228 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
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229 | "Datanr: %08x",picsize,datasize,pixelnr,datanr); |
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230 | res = -1; |
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231 | } |
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232 | |
157 | len += datanr; |
233 | len += datanr; |
158 | |
234 | |
159 | if (length) |
235 | if (length) |
160 | *length = len; |
236 | *length = len; |
161 | |
237 | |
162 | psiconv_progress(lev+1,off+len-1,"End of paint data section " |
238 | psiconv_progress(lev+1,off+len-1,"End of paint data section " |
163 | "(total length: %08x", len); |
239 | "(total length: %08x)", len); |
164 | |
240 | |
165 | return res; |
241 | return res; |
166 | } |
242 | } |
167 | |
243 | |
168 | |
244 | |