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, 2000 Frodo Looijaard <frodol@dds.nl> |
3 | Copyright (c) 1999-2004 Frodo Looijaard <frodol@dds.nl> |
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. |
… | |
… | |
22 | |
22 | |
23 | #include <stdlib.h> |
23 | #include <stdlib.h> |
24 | |
24 | |
25 | #include "parse_routines.h" |
25 | #include "parse_routines.h" |
26 | #include "error.h" |
26 | #include "error.h" |
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27 | #include "image.h" |
27 | |
28 | |
28 | #ifdef DMALLOC |
29 | #ifdef DMALLOC |
29 | #include <dmalloc.h> |
30 | #include <dmalloc.h> |
30 | #endif |
31 | #endif |
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32 | |
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33 | static int psiconv_decode_rle8 (const psiconv_config config, int lev, |
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34 | psiconv_u32 off, |
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35 | const psiconv_pixel_bytes encoded, |
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36 | psiconv_pixel_bytes *decoded); |
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37 | |
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38 | static int psiconv_decode_rle12 (const psiconv_config config, int lev, |
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39 | psiconv_u32 off, |
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40 | const psiconv_pixel_bytes encoded, |
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41 | psiconv_pixel_bytes *decoded); |
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42 | |
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43 | static int psiconv_decode_rle16 (const psiconv_config config, int lev, |
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44 | psiconv_u32 off, |
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45 | const psiconv_pixel_bytes encoded, |
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46 | psiconv_pixel_bytes *decoded); |
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47 | |
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48 | static int psiconv_decode_rle24 (const psiconv_config config, int lev, |
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49 | psiconv_u32 off, |
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50 | const psiconv_pixel_bytes encoded, |
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51 | psiconv_pixel_bytes *decoded); |
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52 | |
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53 | static int psiconv_bytes_to_pixel_data(const psiconv_config config, |
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54 | int lev, psiconv_u32 off, |
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55 | const psiconv_pixel_bytes bytes, |
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56 | psiconv_pixel_ints *pixels, |
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57 | int colordepth, int xsize, int ysize); |
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58 | |
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59 | static int psiconv_pixel_data_to_floats (const psiconv_config config, int lev, |
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60 | psiconv_u32 off, |
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61 | const psiconv_pixel_ints pixels, |
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62 | psiconv_pixel_floats_t *floats, |
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63 | int colordepth, int color, |
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64 | int redbits, int bluebits, int greenbits, |
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65 | const psiconv_pixel_floats_t palet); |
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66 | |
31 | |
67 | |
32 | |
68 | |
33 | int psiconv_parse_jumptable_section(const psiconv_config config, |
69 | int psiconv_parse_jumptable_section(const psiconv_config config, |
34 | const psiconv_buffer buf,int lev, |
70 | const psiconv_buffer buf,int lev, |
35 | psiconv_u32 off, int *length, |
71 | psiconv_u32 off, int *length, |
… | |
… | |
71 | return 0; |
107 | return 0; |
72 | |
108 | |
73 | ERROR2: |
109 | ERROR2: |
74 | psiconv_list_free(*result); |
110 | psiconv_list_free(*result); |
75 | ERROR1: |
111 | ERROR1: |
76 | psiconv_warn(config,lev+1,off,"Reading of Jumptable Section failed"); |
112 | psiconv_error(config,lev+1,off,"Reading of Jumptable Section failed"); |
77 | if (length) |
113 | if (length) |
78 | *length = 0; |
114 | *length = 0; |
79 | if (!res) |
115 | if (!res) |
80 | return -PSICONV_E_NOMEM; |
116 | return -PSICONV_E_NOMEM; |
81 | else |
117 | else |
82 | return res; |
118 | return res; |
83 | } |
119 | } |
84 | |
120 | |
85 | static int decode_byte(const psiconv_config config, int lev, psiconv_u32 off, |
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86 | psiconv_paint_data_section data, psiconv_u32 *pixelnr, |
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87 | psiconv_u8 byte, int bits_per_pixel, int linelen, |
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88 | int *linepos,int picsize) |
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89 | { |
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90 | int mask = (bits_per_pixel << 1) -1; |
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91 | int i; |
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92 | if (*linepos < (data->xsize + (8/bits_per_pixel) - 1) / (8/bits_per_pixel)) |
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93 | for (i = 0; i < 8/bits_per_pixel; i ++) { |
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94 | if ((i != 0) && ((*pixelnr % (data->xsize)) == 0)) { |
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95 | psiconv_debug(config,lev+1,off,"Skipping padding: %02x",byte); |
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96 | i = 8; |
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97 | } else if (*pixelnr >= picsize) { |
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98 | psiconv_warn(config,lev+1,off,"Corrupted picture data!"); |
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99 | psiconv_debug(config,lev+1,off,"Trying to write a pixel too far"); |
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100 | return -1; |
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101 | } else { |
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102 | data->red[*pixelnr] = data->green[*pixelnr] = data->blue[*pixelnr] = |
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103 | ((float) (byte & mask)) / ((1 << bits_per_pixel) -1); |
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104 | psiconv_debug(config,lev+1,off,"Pixel %04x: (%04x,%04x) value %02x, color %f", |
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105 | *pixelnr,*pixelnr % data->xsize, |
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106 | *pixelnr / data->xsize, byte&mask, data->red[*pixelnr]); |
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107 | byte = byte >> bits_per_pixel; |
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108 | (*pixelnr) ++; |
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109 | } |
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110 | } |
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111 | else |
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112 | psiconv_debug(config,lev+1,off,"Skipping padding byte"); |
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113 | (*linepos) ++; |
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114 | if (*linepos == linelen) |
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115 | *linepos = 0; |
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116 | return 0; |
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117 | } |
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118 | |
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119 | |
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120 | int psiconv_parse_paint_data_section(const psiconv_config config, |
121 | int psiconv_parse_paint_data_section(const psiconv_config config, |
121 | const psiconv_buffer buf,int lev, |
122 | const psiconv_buffer buf,int lev, |
122 | psiconv_u32 off, int *length,int isclipart, |
123 | psiconv_u32 off, int *length,int isclipart, |
123 | psiconv_paint_data_section *result) |
124 | psiconv_paint_data_section *result) |
124 | { |
125 | { |
125 | int res = 0; |
126 | int res = 0; |
126 | int len = 0; |
127 | int len = 0; |
127 | psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen; |
128 | psiconv_u32 size,offset,picsize,temp,datasize,color, |
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129 | redbits,bluebits,greenbits; |
128 | psiconv_u8 marker; |
130 | psiconv_u8 byte; |
129 | int i,leng; |
131 | int leng,i; |
130 | psiconv_u32 bits_per_pixel,compression; |
132 | psiconv_u32 bits_per_pixel,compression; |
131 | int linepos = 0; |
133 | psiconv_pixel_bytes bytes,decoded; |
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134 | psiconv_pixel_ints pixels; |
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135 | psiconv_pixel_floats_t floats,palet; |
132 | |
136 | |
133 | psiconv_progress(config,lev+1,off,"Going to read a paint data section"); |
137 | psiconv_progress(config,lev+1,off,"Going to read a paint data section"); |
134 | if (!((*result) = malloc(sizeof(**result)))) |
138 | if (!((*result) = malloc(sizeof(**result)))) |
135 | goto ERROR1; |
139 | goto ERROR1; |
136 | |
140 | |
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141 | if (!(bytes = psiconv_list_new(sizeof(psiconv_u8)))) |
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142 | goto ERROR2; |
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143 | |
137 | psiconv_progress(config,lev+2,off+len,"Going to read section size"); |
144 | psiconv_progress(config,lev+2,off+len,"Going to read section size"); |
138 | size = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
145 | size = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
139 | if (res) |
146 | if (res) |
140 | goto ERROR2; |
147 | goto ERROR3; |
141 | psiconv_debug(config,lev+2,off+len,"Section size: %08x",size); |
148 | psiconv_debug(config,lev+2,off+len,"Section size: %08x",size); |
142 | len += 4; |
149 | len += 4; |
143 | |
150 | |
144 | psiconv_progress(config,lev+2,off+len,"Going to read pixel data offset"); |
151 | psiconv_progress(config,lev+2,off+len,"Going to read pixel data offset"); |
145 | offset = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
152 | offset = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
146 | if (res) |
153 | if (res) |
147 | goto ERROR2; |
154 | goto ERROR3; |
148 | if (offset != 0x28) { |
155 | if (offset != 0x28) { |
149 | psiconv_warn(config,lev+2,off+len, |
156 | psiconv_error(config,lev+2,off+len, |
150 | "Paint data section data offset has unexpected value"); |
157 | "Paint data section data offset has unexpected value"); |
151 | psiconv_debug(config,lev+2,off+len, |
158 | psiconv_debug(config,lev+2,off+len, |
152 | "Data offset: read %08x, expected %08x",offset,0x28); |
159 | "Data offset: read %08x, expected %08x",offset,0x28); |
153 | res = -1; |
160 | res = -1; |
154 | } |
161 | } |
155 | len += 4; |
162 | len += 4; |
156 | |
163 | |
157 | psiconv_progress(config,lev+2,off+len,"Going to read picture X size"); |
164 | psiconv_progress(config,lev+2,off+len,"Going to read picture X size"); |
158 | (*result)->xsize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
165 | (*result)->xsize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
159 | if (res) |
166 | if (res) |
160 | goto ERROR2; |
167 | goto ERROR3; |
161 | psiconv_debug(config,lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
168 | psiconv_debug(config,lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
162 | len += 4; |
169 | len += 4; |
163 | |
170 | |
164 | psiconv_progress(config,lev+2,off+len,"Going to read picture Y size"); |
171 | psiconv_progress(config,lev+2,off+len,"Going to read picture Y size"); |
165 | (*result)->ysize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
172 | (*result)->ysize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
166 | if (res) |
173 | if (res) |
167 | goto ERROR2; |
174 | goto ERROR3; |
168 | psiconv_debug(config,lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
175 | psiconv_debug(config,lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
169 | len += 4; |
176 | len += 4; |
170 | |
177 | |
171 | picsize = (*result)->ysize * (*result)->xsize; |
178 | picsize = (*result)->ysize * (*result)->xsize; |
172 | |
179 | |
173 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture x size"); |
180 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture x size"); |
174 | (*result)->pic_xsize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
181 | (*result)->pic_xsize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
175 | if (res) |
182 | if (res) |
176 | goto ERROR2; |
183 | goto ERROR3; |
177 | psiconv_debug(config,lev+2,off+len,"Picture x size: %f",(*result)->pic_xsize); |
184 | psiconv_debug(config,lev+2,off+len,"Picture x size: %f",(*result)->pic_xsize); |
178 | len += leng; |
185 | len += leng; |
179 | |
186 | |
180 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture y size"); |
187 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture y size"); |
181 | (*result)->pic_ysize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
188 | (*result)->pic_ysize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
182 | if (res) |
189 | if (res) |
183 | goto ERROR2; |
190 | goto ERROR3; |
184 | psiconv_debug(config,lev+2,off+len,"Picture y size: %f",(*result)->pic_ysize); |
191 | psiconv_debug(config,lev+2,off+len,"Picture y size: %f",(*result)->pic_ysize); |
185 | len += leng; |
192 | len += leng; |
186 | |
193 | |
187 | psiconv_progress(config,lev+2,off+len,"Going to read the number of bits per pixel"); |
194 | psiconv_progress(config,lev+2,off+len,"Going to read the number of bits per pixel"); |
188 | bits_per_pixel=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
195 | bits_per_pixel=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
189 | if (res) |
196 | if (res) |
190 | goto ERROR2; |
197 | goto ERROR3; |
191 | if (bits_per_pixel > 8) { |
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192 | psiconv_warn(config,lev+2,off+len,"Picture has too many colors"); |
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193 | psiconv_debug(config,lev+2,off+len,"Read %d colorbits",bits_per_pixel); |
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194 | res = -PSICONV_E_PARSE; |
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195 | goto ERROR2; |
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196 | } |
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197 | psiconv_debug(config,lev+2,off+len,"Bits per pixel: %d",bits_per_pixel); |
198 | psiconv_debug(config,lev+2,off+len,"Bits per pixel: %d",bits_per_pixel); |
198 | len += 4; |
199 | len += 4; |
199 | |
200 | |
200 | for (i = 0 ; i < 2; i++) { |
201 | psiconv_progress(config,lev+2,off+len, |
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202 | "Going to read whether this is a colour or greyscale picture"); |
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203 | color = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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204 | if (res) |
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205 | goto ERROR3; |
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206 | if ((color != 0) && (color != 1)) { |
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207 | psiconv_warn(config,lev+2,off+len, |
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208 | "Paint data section unknown color type (ignored)"); |
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209 | psiconv_debug(config,lev+2,off+len, |
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210 | "Color: read %08x, expected %08x or %08x",color,0,1); |
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211 | color = 1; |
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212 | } else { |
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213 | psiconv_debug(config,lev+2,off+len,"Color: %08x (%s picture)", |
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214 | color,(color?"color":"greyscale")); |
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215 | } |
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216 | len += 4; |
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217 | |
201 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
218 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
202 | if (res) |
219 | if (res) |
203 | goto ERROR2; |
220 | goto ERROR3; |
204 | if (temp != 00) { |
221 | if (temp != 00) { |
205 | psiconv_warn(config,lev+2,off+len, |
222 | psiconv_warn(config,lev+2,off+len, |
206 | "Paint data section prologue has unknown values (ignored)"); |
223 | "Paint data section prologue has unknown values (ignored)"); |
207 | psiconv_debug(config,lev+2,off+len, |
224 | psiconv_debug(config,lev+2,off+len, |
208 | "offset %02x: read %08x, expected %08x",i,temp, 0x00); |
225 | "read %08x, expected %08x",temp, 0x00); |
209 | } |
226 | } |
210 | len += 4; |
227 | len += 4; |
211 | } |
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212 | |
228 | |
213 | psiconv_progress(config,lev+2,off+len, |
229 | psiconv_progress(config,lev+2,off+len, |
214 | "Going to read whether RLE compression is used"); |
230 | "Going to read whether RLE compression is used"); |
215 | compression=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
231 | compression=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
216 | if (res) |
232 | if (res) |
217 | goto ERROR2; |
233 | goto ERROR3; |
218 | if (compression > 1) { |
234 | if (compression > 4) { |
219 | psiconv_warn(config,lev+2,off+len,"Paint data section has unknown " |
235 | psiconv_warn(config,lev+2,off+len,"Paint data section has unknown " |
220 | "compression type, assuming RLE"); |
236 | "compression type, assuming RLE"); |
221 | psiconv_debug(config,lev+2,off+len,"Read compression type %d",compression); |
237 | psiconv_debug(config,lev+2,off+len,"Read compression type %d",compression); |
222 | compression = 1; |
238 | compression = 0; |
223 | } |
239 | } |
224 | psiconv_debug(config,lev+2,off+len,"Compression: %s",compression?"RLE8":"none"); |
240 | psiconv_debug(config,lev+2,off+len,"Compression: %s", |
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241 | compression == 4?"RLE24":compression == 3?"RLE16": |
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242 | compression == 2?"RLE12":compression == 1?"RLE8":"none"); |
225 | len += 4; |
243 | len += 4; |
226 | |
244 | |
227 | if (isclipart) { |
245 | if (isclipart) { |
228 | psiconv_progress(config,lev+2,off+len,"Going to read an unknown long"); |
246 | psiconv_progress(config,lev+2,off+len,"Going to read an unknown long"); |
229 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
247 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
230 | if (res) |
248 | if (res) |
231 | goto ERROR2; |
249 | goto ERROR3; |
232 | if (temp != 0xffffffff) { |
250 | if (temp != 0xffffffff) { |
233 | psiconv_warn(config,lev+2,off+len, |
251 | psiconv_warn(config,lev+2,off+len, |
234 | "Paint data section prologue has unknown values (ignoring)"); |
252 | "Paint data section prologue has unknown values (ignoring)"); |
235 | psiconv_debug(config,lev+2,off+len, |
253 | psiconv_debug(config,lev+2,off+len, |
236 | "offset %02x: read %08x, expected %08x",i,temp, 0xffffffff); |
254 | "Read %08x, expected %08x",temp, 0xffffffff); |
237 | } |
255 | } |
238 | len += 4; |
256 | len += 4; |
239 | psiconv_progress(config,lev+2,off+len,"Going to read a second unknown long"); |
257 | psiconv_progress(config,lev+2,off+len,"Going to read a second unknown long"); |
240 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
258 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
241 | if (res) |
259 | if (res) |
242 | goto ERROR2; |
260 | goto ERROR3; |
243 | if (temp != 0x44) { |
261 | if (temp != 0x44) { |
244 | psiconv_warn(config,lev+2,off+len, |
262 | psiconv_warn(config,lev+2,off+len, |
245 | "Paint data section prologue has unknown values (ignoring)"); |
263 | "Paint data section prologue has unknown values (ignoring)"); |
246 | psiconv_debug(config,lev+2,off+len, |
264 | psiconv_debug(config,lev+2,off+len, |
247 | "offset %02x: read %08x, expected %08x",i,temp, 0x44); |
265 | "read %08x, expected %08x",temp, 0x44); |
248 | } |
266 | } |
249 | len += 4; |
267 | len += 4; |
250 | } |
268 | } |
251 | |
269 | |
252 | if (!((*result)->red = malloc(sizeof(float) * picsize))) |
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253 | goto ERROR2; |
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254 | if (!((*result)->green = malloc(sizeof(float) * picsize))) |
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255 | goto ERROR3; |
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256 | if (!((*result)->blue = malloc(sizeof(float) * picsize))) |
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257 | goto ERROR4; |
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258 | len = offset; |
270 | len = offset; |
259 | datasize = size - len; |
271 | datasize = size - len; |
260 | if (isclipart) |
272 | if (isclipart) |
261 | len += 8; |
273 | len += 8; |
262 | |
274 | |
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275 | if (color || (bits_per_pixel != 2)) |
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276 | psiconv_warn(config,lev+2,off+len, |
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277 | "All image types except 2-bit greyscale are experimental!"); |
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278 | |
263 | psiconv_progress(config,lev+2,off+len,"Going to read the pixel data"); |
279 | psiconv_progress(config,lev+2,off+len,"Going to read the pixel data"); |
264 | pixelnr = 0; |
280 | for (i = 0; i < datasize; i++) { |
265 | datanr = 0; |
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266 | if (!compression) { |
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267 | linelen = datasize / (*result)->ysize; |
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268 | psiconv_debug(config,lev+3,off+len,"Line length: %04x bytes",linelen); |
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269 | while((datanr < datasize)) { |
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270 | temp = psiconv_read_u8(config,buf,lev+2,off+len+datanr,&res); |
281 | byte = psiconv_read_u8(config,buf,lev+2,off+len+i,&res); |
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282 | psiconv_debug(config,lev+2,off+len+i, |
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283 | "Pixel byte %04x of %04x has value %02x", |
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284 | i,datasize,byte); |
271 | if (res) |
285 | if (res) |
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286 | goto ERROR3; |
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287 | psiconv_list_add(bytes,&byte); |
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288 | } |
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289 | len += datasize; |
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290 | |
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291 | switch(compression) { |
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292 | case 1: |
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293 | if ((res = psiconv_decode_rle8(config,lev+2,off+len,bytes,&decoded))) |
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294 | goto ERROR3; |
|
|
295 | psiconv_list_free(bytes); |
|
|
296 | bytes = decoded; |
|
|
297 | break; |
|
|
298 | case 2: |
|
|
299 | if ((psiconv_decode_rle12(config,lev+2,off+len,bytes,&decoded))) |
|
|
300 | goto ERROR3; |
|
|
301 | psiconv_list_free(bytes); |
|
|
302 | bytes = decoded; |
|
|
303 | break; |
|
|
304 | case 3: |
|
|
305 | if ((psiconv_decode_rle16(config,lev+2,off+len,bytes,&decoded))) |
272 | goto ERROR5; |
306 | goto ERROR3; |
273 | if (decode_byte(config,lev+3,off+len+datanr,*result,&pixelnr,temp,bits_per_pixel, |
307 | psiconv_list_free(bytes); |
274 | linelen,&linepos,picsize)) { |
308 | bytes = decoded; |
275 | res = -PSICONV_E_PARSE; |
|
|
276 | break; |
309 | break; |
277 | } |
310 | case 4: |
278 | datanr++; |
311 | if ((psiconv_decode_rle24(config,lev+2,off+len,bytes,&decoded))) |
|
|
312 | goto ERROR3; |
|
|
313 | psiconv_list_free(bytes); |
|
|
314 | bytes = decoded; |
|
|
315 | break; |
|
|
316 | } |
|
|
317 | |
|
|
318 | if ((res = psiconv_bytes_to_pixel_data(config,lev+2,off+len,bytes, |
|
|
319 | &pixels,bits_per_pixel, |
|
|
320 | (*result)->xsize,(*result)->ysize))) |
|
|
321 | goto ERROR3; |
|
|
322 | |
|
|
323 | /* Use some heuristics; things may get unexpected around here */ |
|
|
324 | bluebits = redbits = greenbits = 0; |
|
|
325 | palet = psiconv_palet_none; |
|
|
326 | if (color) { |
|
|
327 | if (bits_per_pixel == 4) |
|
|
328 | palet = psiconv_palet_color_4; |
|
|
329 | else if (bits_per_pixel == 8) |
|
|
330 | palet = psiconv_palet_color_8; |
|
|
331 | else { |
|
|
332 | redbits = (bits_per_pixel+2) / 3; |
|
|
333 | greenbits = (bits_per_pixel+2) / 3; |
|
|
334 | bluebits = bits_per_pixel - redbits - greenbits; |
279 | } |
335 | } |
280 | } else { |
|
|
281 | psiconv_progress(config,lev+2,off+len,"First pass: determining line length"); |
|
|
282 | datanr = 0; |
|
|
283 | i = 0; |
|
|
284 | while (datanr < datasize) { |
|
|
285 | marker = psiconv_read_u8(config,buf,lev+3,off+len+datanr,&res); |
|
|
286 | if (res) |
|
|
287 | goto ERROR5; |
|
|
288 | if (marker >= 0x80) { |
|
|
289 | datanr += 0x100 - marker + 1; |
|
|
290 | i += 0x100 - marker; |
|
|
291 | } else { |
|
|
292 | datanr += 2; |
|
|
293 | i += marker + 1; |
|
|
294 | } |
|
|
295 | } |
336 | } |
296 | linelen = i / (*result)->ysize; |
337 | if ((res = psiconv_pixel_data_to_floats(config,lev+2,off+len,pixels, |
297 | datanr=0; |
338 | &floats,bits_per_pixel,color, |
298 | psiconv_debug(config,lev+2,off+len,"Linelen: %04x bytes",linelen); |
339 | redbits,greenbits,bluebits,palet))) |
299 | while((datanr < datasize)) { |
|
|
300 | marker = psiconv_read_u8(config,buf,lev+3,off+len+datanr,&res); |
|
|
301 | if (res) |
|
|
302 | goto ERROR5; |
|
|
303 | psiconv_debug(config,lev+3,off+len+datanr, |
|
|
304 | "Pixelnr %08x, Datanr %08x: Read marker %02x", |
|
|
305 | pixelnr,datanr,marker); |
|
|
306 | datanr ++; |
|
|
307 | if (marker >= 0x80) { |
|
|
308 | /* 0x100 - marker bytes of data follow */ |
|
|
309 | for (i = 0; i < 0x100-marker; i++,datanr++) { |
|
|
310 | if (datanr >= datasize) { |
|
|
311 | psiconv_warn(config,lev+3,off+len+datanr,"Corrupted picture data"); |
|
|
312 | psiconv_debug(config,lev+3,off+len+datanr, |
|
|
313 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
|
|
314 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
|
|
315 | datanr,marker); |
|
|
316 | res = -PSICONV_E_PARSE; |
|
|
317 | break; |
|
|
318 | } |
|
|
319 | temp = psiconv_read_u8(config,buf,lev+2,off+len+datanr,&res); |
|
|
320 | if (res) |
|
|
321 | goto ERROR5; |
|
|
322 | if (decode_byte(config,lev+2,off+len+datanr,*result,&pixelnr,temp, |
|
|
323 | bits_per_pixel,linelen,&linepos,picsize)) { |
|
|
324 | res = -PSICONV_E_PARSE; |
|
|
325 | break; |
|
|
326 | } |
|
|
327 | } |
|
|
328 | } else { |
|
|
329 | if (datanr >= datasize) { |
|
|
330 | psiconv_warn(config,lev+3,off+len+datanr,"Corrupted picture data"); |
|
|
331 | psiconv_debug(config,lev+3,off+len+datanr, |
|
|
332 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
|
|
333 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
|
|
334 | datanr,marker); |
|
|
335 | res = -PSICONV_E_PARSE; |
|
|
336 | } else { |
|
|
337 | temp = psiconv_read_u8(config,buf,lev+3,off+len+datanr,&res); |
|
|
338 | if (res) |
|
|
339 | goto ERROR5; |
|
|
340 | for (i = 0; i <= marker; i++) { |
|
|
341 | if (decode_byte(config,lev+2,off+len+datanr,*result,&pixelnr,temp, |
|
|
342 | bits_per_pixel,linelen,&linepos,picsize)) { |
|
|
343 | res = -PSICONV_E_PARSE; |
|
|
344 | break; |
|
|
345 | } |
|
|
346 | } |
|
|
347 | datanr ++; |
|
|
348 | } |
|
|
349 | } |
|
|
350 | } |
|
|
351 | } |
|
|
352 | |
|
|
353 | if (linepos >= ((*result)->xsize + (8/bits_per_pixel) - 1) / |
|
|
354 | (8/bits_per_pixel)) |
|
|
355 | datanr += (linelen - linepos); |
|
|
356 | |
|
|
357 | if (res || (datanr != datasize) || (pixelnr != picsize)) { |
|
|
358 | psiconv_warn(config,lev+2,off+len,"Corrupted picture data!"); |
|
|
359 | psiconv_debug(config,lev+3,off+len+datanr, |
|
|
360 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
|
|
361 | "Datanr: %08x",picsize,datasize,pixelnr,datanr); |
|
|
362 | goto ERROR5; |
340 | goto ERROR4; |
363 | } |
341 | |
|
|
342 | (*result)->red = floats.red; |
|
|
343 | (*result)->green = floats.green; |
|
|
344 | (*result)->blue = floats.blue; |
364 | |
345 | |
365 | len += datanr; |
346 | psiconv_list_free(bytes); |
|
|
347 | psiconv_list_free(pixels); |
|
|
348 | |
366 | |
349 | |
367 | if (length) |
350 | if (length) |
368 | *length = len; |
351 | *length = len; |
369 | |
352 | |
370 | psiconv_progress(config,lev+1,off+len-1,"End of paint data section " |
353 | psiconv_progress(config,lev,off+len-1, |
371 | "(total length: %08x)", len); |
354 | "End of Paint Data Section (total length: %08x)", len); |
372 | |
355 | |
373 | return res; |
356 | return 0; |
374 | |
357 | |
375 | ERROR5: |
|
|
376 | free((*result)->blue); |
|
|
377 | ERROR4: |
358 | ERROR4: |
378 | free((*result)->green); |
359 | psiconv_list_free(pixels); |
379 | ERROR3: |
360 | ERROR3: |
380 | free((*result)->red); |
361 | psiconv_list_free(bytes); |
381 | ERROR2: |
362 | ERROR2: |
382 | free (*result); |
363 | free(*result); |
383 | ERROR1: |
364 | ERROR1: |
384 | psiconv_warn(config,lev+1,off,"Reading of Paint Data Section failed"); |
365 | psiconv_error(config,lev+1,off,"Reading of Paint Data Section failed"); |
385 | if (length) |
366 | if (length) |
386 | *length = 0; |
367 | *length = 0; |
387 | if (!res) |
368 | if (!res) |
388 | return -PSICONV_E_NOMEM; |
369 | return -PSICONV_E_NOMEM; |
389 | else |
370 | else |
… | |
… | |
544 | ERROR3: |
525 | ERROR3: |
545 | psiconv_free_paint_data_section((*result)->picture); |
526 | psiconv_free_paint_data_section((*result)->picture); |
546 | ERROR2: |
527 | ERROR2: |
547 | free (*result); |
528 | free (*result); |
548 | ERROR1: |
529 | ERROR1: |
549 | psiconv_warn(config,lev+1,off,"Reading of Sketch Section failed"); |
530 | psiconv_error(config,lev+1,off,"Reading of Sketch Section failed"); |
550 | if (length) |
531 | if (length) |
551 | *length = 0; |
532 | *length = 0; |
552 | if (!res) |
533 | if (!res) |
553 | return -PSICONV_E_NOMEM; |
534 | return -PSICONV_E_NOMEM; |
554 | else |
535 | else |
… | |
… | |
647 | return 0; |
628 | return 0; |
648 | |
629 | |
649 | ERROR2: |
630 | ERROR2: |
650 | free (*result); |
631 | free (*result); |
651 | ERROR1: |
632 | ERROR1: |
652 | psiconv_warn(config,lev+1,off,"Reading of Font failed"); |
633 | psiconv_error(config,lev+1,off,"Reading of Font failed"); |
653 | if (length) |
634 | if (length) |
654 | *length = 0; |
635 | *length = 0; |
655 | if (!res) |
636 | if (!res) |
656 | return -PSICONV_E_NOMEM; |
637 | return -PSICONV_E_NOMEM; |
657 | else |
638 | else |
658 | return res; |
639 | return res; |
659 | } |
640 | } |
|
|
641 | |
|
|
642 | int psiconv_decode_rle8 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
643 | const psiconv_pixel_bytes encoded, |
|
|
644 | psiconv_pixel_bytes *decoded) |
|
|
645 | { |
|
|
646 | int res=0; |
|
|
647 | psiconv_u8 *marker,*value; |
|
|
648 | int i,j; |
|
|
649 | |
|
|
650 | psiconv_progress(config,lev+1,off,"Going to decode the RLE8 encoding"); |
|
|
651 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
652 | goto ERROR1; |
|
|
653 | |
|
|
654 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
655 | psiconv_progress(config,lev+2,off,"Going to read marker byte at %04x",i); |
|
|
656 | if (!(marker = psiconv_list_get(encoded,i))) |
|
|
657 | goto ERROR2; |
|
|
658 | psiconv_debug(config,lev+2,off,"Marker byte: %02x",*marker); |
|
|
659 | if (*marker < 0x80) { |
|
|
660 | psiconv_debug(config,lev+2,off,"Marker: repeat value byte %02x times", |
|
|
661 | *marker+1); |
|
|
662 | psiconv_progress(config,lev+2,off,"Going to read value byte at %04x",i+1); |
|
|
663 | if (!(value = psiconv_list_get(encoded,i+1))) |
|
|
664 | goto ERROR2; |
|
|
665 | psiconv_debug(config,lev+2,off,"Value byte: %02x",*value); |
|
|
666 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %02x", |
|
|
667 | *marker+1,*value); |
|
|
668 | for (j = 0; j < *marker + 1; j++) |
|
|
669 | if ((res = psiconv_list_add(*decoded,value))) |
|
|
670 | goto ERROR2; |
|
|
671 | i += 2; |
|
|
672 | } else { |
|
|
673 | psiconv_debug(config,lev+2,off,"Marker: %02x value bytes follow", |
|
|
674 | 0x100 - *marker); |
|
|
675 | for (j = 0; j < (0x100 - *marker); j++) { |
|
|
676 | psiconv_progress(config,lev+2,off,"Going to read value byte at %04x", |
|
|
677 | i+j+1); |
|
|
678 | if (!(value = psiconv_list_get(encoded,i+j+1))) |
|
|
679 | goto ERROR2; |
|
|
680 | psiconv_debug(config,lev+2,off,"Value: %02x",*value); |
|
|
681 | if ((res = psiconv_list_add(*decoded,value))) |
|
|
682 | goto ERROR2; |
|
|
683 | } |
|
|
684 | i += (0x100 - *marker) + 1; |
|
|
685 | } |
|
|
686 | } |
|
|
687 | psiconv_progress(config,lev,off, |
|
|
688 | "End of RLE8 decoding process"); |
|
|
689 | return 0; |
|
|
690 | |
|
|
691 | ERROR2: |
|
|
692 | psiconv_list_free(*decoded); |
|
|
693 | ERROR1: |
|
|
694 | psiconv_error(config,lev+1,off,"Decoding of RLE8 failed"); |
|
|
695 | if (!res) |
|
|
696 | return -PSICONV_E_NOMEM; |
|
|
697 | else |
|
|
698 | return res; |
|
|
699 | } |
|
|
700 | |
|
|
701 | int psiconv_decode_rle12 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
702 | const psiconv_pixel_bytes encoded, |
|
|
703 | psiconv_pixel_bytes *decoded) |
|
|
704 | { |
|
|
705 | int res=0; |
|
|
706 | psiconv_u8 *value0,*value1; |
|
|
707 | psiconv_u32 value,repeat; |
|
|
708 | int i,j; |
|
|
709 | |
|
|
710 | psiconv_progress(config,lev+1,off,"Going to decode the RLE12 encoding"); |
|
|
711 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
712 | goto ERROR1; |
|
|
713 | |
|
|
714 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
715 | psiconv_progress(config,lev+2,off,"Going to read data word at %04x",i); |
|
|
716 | if (!(value0 = psiconv_list_get(encoded,i))) |
|
|
717 | goto ERROR2; |
|
|
718 | if (!(value1 = psiconv_list_get(encoded,i+1))) |
|
|
719 | goto ERROR2; |
|
|
720 | psiconv_debug(config,lev+2,off,"Data Word: %04x",*value0 + (*value1 << 8)); |
|
|
721 | value = *value0 + ((*value1 & 0x0f) << 8); |
|
|
722 | repeat = (*value1 >> 4) + 1; |
|
|
723 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %03x", |
|
|
724 | repeat,value); |
|
|
725 | for (j = 0; j < repeat; j ++) |
|
|
726 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
727 | goto ERROR2; |
|
|
728 | i += 2; |
|
|
729 | } |
|
|
730 | psiconv_progress(config,lev,off, |
|
|
731 | "End of RLE12 decoding process"); |
|
|
732 | return 0; |
|
|
733 | |
|
|
734 | ERROR2: |
|
|
735 | psiconv_list_free(*decoded); |
|
|
736 | ERROR1: |
|
|
737 | psiconv_error(config,lev+1,off,"Decoding of RLE12 failed"); |
|
|
738 | if (!res) |
|
|
739 | return -PSICONV_E_NOMEM; |
|
|
740 | else |
|
|
741 | return res; |
|
|
742 | } |
|
|
743 | |
|
|
744 | int psiconv_decode_rle16 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
745 | const psiconv_pixel_bytes encoded, |
|
|
746 | psiconv_pixel_bytes *decoded) |
|
|
747 | { |
|
|
748 | int res=0; |
|
|
749 | psiconv_u8 *marker,*value0,*value1; |
|
|
750 | psiconv_u32 value; |
|
|
751 | int i,j; |
|
|
752 | |
|
|
753 | psiconv_progress(config,lev+1,off,"Going to decode the RLE16 encoding"); |
|
|
754 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
755 | goto ERROR1; |
|
|
756 | |
|
|
757 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
758 | psiconv_progress(config,lev+2,off,"Going to read marker byte at %04x",i); |
|
|
759 | if (!(marker = psiconv_list_get(encoded,i))) |
|
|
760 | goto ERROR2; |
|
|
761 | psiconv_debug(config,lev+2,off,"Marker byte: %02x",*marker); |
|
|
762 | if (*marker < 0x80) { |
|
|
763 | psiconv_debug(config,lev+2,off,"Marker: repeat value word %02x times", |
|
|
764 | *marker+1); |
|
|
765 | psiconv_progress(config,lev+2,off,"Going to read value word at %04x",i+1); |
|
|
766 | if (!(value0 = psiconv_list_get(encoded,i+1))) |
|
|
767 | goto ERROR2; |
|
|
768 | if (!(value1 = psiconv_list_get(encoded,i+2))) |
|
|
769 | goto ERROR2; |
|
|
770 | value = *value0 + (*value1 << 8); |
|
|
771 | psiconv_debug(config,lev+2,off,"Value word: %02x",value); |
|
|
772 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %04x", |
|
|
773 | *marker+1,value); |
|
|
774 | for (j = 0; j < *marker + 1; j++) |
|
|
775 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
776 | goto ERROR2; |
|
|
777 | i += 3; |
|
|
778 | } else { |
|
|
779 | psiconv_debug(config,lev+2,off,"Marker: %02x value words follow", |
|
|
780 | 0x100 - *marker); |
|
|
781 | for (j = 0; j < (0x100 - *marker); j++) { |
|
|
782 | psiconv_progress(config,lev+2,off,"Going to read value word at %04x", |
|
|
783 | i+j*2+1); |
|
|
784 | if (!(value0 = psiconv_list_get(encoded,i+j*2+1))) |
|
|
785 | goto ERROR2; |
|
|
786 | if (!(value1 = psiconv_list_get(encoded,i+j*2+2))) |
|
|
787 | goto ERROR2; |
|
|
788 | value = *value0 + (*value1 << 8); |
|
|
789 | psiconv_debug(config,lev+2,off,"Value: %04x",value); |
|
|
790 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
791 | goto ERROR2; |
|
|
792 | } |
|
|
793 | i += (0x100 - *marker)*2 + 1; |
|
|
794 | } |
|
|
795 | } |
|
|
796 | psiconv_progress(config,lev,off, |
|
|
797 | "End of RLE16 decoding process"); |
|
|
798 | return 0; |
|
|
799 | |
|
|
800 | ERROR2: |
|
|
801 | psiconv_list_free(*decoded); |
|
|
802 | ERROR1: |
|
|
803 | psiconv_error(config,lev+1,off,"Decoding of RLE16 failed"); |
|
|
804 | if (!res) |
|
|
805 | return -PSICONV_E_NOMEM; |
|
|
806 | else |
|
|
807 | return res; |
|
|
808 | } |
|
|
809 | |
|
|
810 | int psiconv_decode_rle24 (const psiconv_config config, int lev, psiconv_u32 off, |
|
|
811 | const psiconv_pixel_bytes encoded, |
|
|
812 | psiconv_pixel_bytes *decoded) |
|
|
813 | { |
|
|
814 | int res=0; |
|
|
815 | psiconv_u8 *marker,*value0,*value1,*value2; |
|
|
816 | psiconv_u32 value; |
|
|
817 | int i,j; |
|
|
818 | |
|
|
819 | psiconv_progress(config,lev+1,off,"Going to decode the RLE24 encoding"); |
|
|
820 | if (!(*decoded = psiconv_list_new(sizeof(psiconv_u8)))) |
|
|
821 | goto ERROR1; |
|
|
822 | |
|
|
823 | for (i = 0; i < psiconv_list_length(encoded);) { |
|
|
824 | psiconv_progress(config,lev+2,off,"Going to read marker byte at %04x",i); |
|
|
825 | if (!(marker = psiconv_list_get(encoded,i))) |
|
|
826 | goto ERROR2; |
|
|
827 | psiconv_debug(config,lev+2,off,"Marker byte: %02x",*marker); |
|
|
828 | if (*marker < 0x80) { |
|
|
829 | psiconv_debug(config,lev+2,off,"Marker: repeat value byte triplet %02x times", |
|
|
830 | *marker+1); |
|
|
831 | psiconv_progress(config,lev+2,off,"Going to read value byte triplet at %04x",i+1); |
|
|
832 | if (!(value0 = psiconv_list_get(encoded,i+1))) |
|
|
833 | goto ERROR2; |
|
|
834 | if (!(value1 = psiconv_list_get(encoded,i+2))) |
|
|
835 | goto ERROR2; |
|
|
836 | if (!(value2 = psiconv_list_get(encoded,i+3))) |
|
|
837 | goto ERROR2; |
|
|
838 | value = *value0 + (*value1 << 8) + (*value2 << 16); |
|
|
839 | psiconv_debug(config,lev+2,off,"Value byte triplet: %06x",value); |
|
|
840 | psiconv_progress(config,lev+2,off,"Adding %02x pixels %06x", |
|
|
841 | *marker+1,value); |
|
|
842 | for (j = 0; j < *marker + 1; j++) |
|
|
843 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
844 | goto ERROR2; |
|
|
845 | i += 4; |
|
|
846 | } else { |
|
|
847 | psiconv_debug(config,lev+2,off,"Marker: %02x value byte triplets follow", |
|
|
848 | 0x100 - *marker); |
|
|
849 | for (j = 0; j < (0x100 - *marker); j++) { |
|
|
850 | psiconv_progress(config,lev+2,off,"Going to read value byte triplets at %04x", |
|
|
851 | i+j*3+1); |
|
|
852 | if (!(value0 = psiconv_list_get(encoded,i+j*3+1))) |
|
|
853 | goto ERROR2; |
|
|
854 | if (!(value1 = psiconv_list_get(encoded,i+j*3+2))) |
|
|
855 | goto ERROR2; |
|
|
856 | if (!(value2 = psiconv_list_get(encoded,i+j*3+3))) |
|
|
857 | goto ERROR2; |
|
|
858 | value = *value0 + (*value1 << 8) + (*value2 << 16); |
|
|
859 | psiconv_debug(config,lev+2,off,"Value: %06x",value); |
|
|
860 | if ((res = psiconv_list_add(*decoded,&value))) |
|
|
861 | goto ERROR2; |
|
|
862 | } |
|
|
863 | i += (0x100 - *marker)*3 + 1; |
|
|
864 | } |
|
|
865 | } |
|
|
866 | psiconv_progress(config,lev,off, |
|
|
867 | "End of RLE24 decoding process"); |
|
|
868 | return 0; |
|
|
869 | |
|
|
870 | ERROR2: |
|
|
871 | psiconv_list_free(*decoded); |
|
|
872 | ERROR1: |
|
|
873 | psiconv_error(config,lev+1,off,"Decoding of RLE24 failed"); |
|
|
874 | if (!res) |
|
|
875 | return -PSICONV_E_NOMEM; |
|
|
876 | else |
|
|
877 | return res; |
|
|
878 | } |
|
|
879 | |
|
|
880 | int psiconv_bytes_to_pixel_data(const psiconv_config config, |
|
|
881 | int lev, psiconv_u32 off, |
|
|
882 | const psiconv_pixel_bytes bytes, |
|
|
883 | psiconv_pixel_ints *pixels, |
|
|
884 | int colordepth, int xsize, int ysize) |
|
|
885 | { |
|
|
886 | int res=0; |
|
|
887 | int ibits,obits,x,y,bits; |
|
|
888 | psiconv_u8 input; |
|
|
889 | psiconv_u32 nr,output; |
|
|
890 | psiconv_u8 *ientry; |
|
|
891 | |
|
|
892 | psiconv_progress(config,lev+1,off,"Going to convert the bytes to pixels"); |
|
|
893 | if (!(*pixels = psiconv_list_new(sizeof(psiconv_u32)))) |
|
|
894 | goto ERROR1; |
|
|
895 | |
|
|
896 | nr = 0; |
|
|
897 | for (y = 0; y < ysize; y++) { |
|
|
898 | /* New lines will start at longs */ |
|
|
899 | while (nr % 4) |
|
|
900 | nr ++; |
|
|
901 | input = 0; |
|
|
902 | ibits = 0; |
|
|
903 | for (x= 0; x < xsize; x++) { |
|
|
904 | psiconv_progress(config,lev+2,off, |
|
|
905 | "Processing pixel at (x,y) = (%04x,%04x)",x,y); |
|
|
906 | output = 0; |
|
|
907 | obits = 0; |
|
|
908 | while (obits < colordepth) { |
|
|
909 | if (ibits == 0) { |
|
|
910 | psiconv_progress(config,lev+3,off, |
|
|
911 | "Going to read byte %08x",nr); |
|
|
912 | if (!(ientry = psiconv_list_get(bytes,nr))) |
|
|
913 | goto ERROR2; |
|
|
914 | psiconv_debug(config,lev+3,off,"Byte value: %02x",*ientry); |
|
|
915 | input = *ientry; |
|
|
916 | ibits = 8; |
|
|
917 | nr ++; |
|
|
918 | } |
|
|
919 | bits = ibits + obits > colordepth?colordepth-obits:ibits; |
|
|
920 | output = output << bits; |
|
|
921 | output |= input & ((1 << bits) - 1); |
|
|
922 | input = input >> bits; |
|
|
923 | ibits -= bits; |
|
|
924 | obits += bits; |
|
|
925 | } |
|
|
926 | psiconv_debug(config,lev+2,off,"Pixel value: %08x",output); |
|
|
927 | if ((res = psiconv_list_add(*pixels,&output))) |
|
|
928 | goto ERROR2; |
|
|
929 | } |
|
|
930 | } |
|
|
931 | |
|
|
932 | psiconv_progress(config,lev,off, |
|
|
933 | "Converting bytes to pixels completed"); |
|
|
934 | return 0; |
|
|
935 | |
|
|
936 | |
|
|
937 | ERROR2: |
|
|
938 | psiconv_list_free(*pixels); |
|
|
939 | ERROR1: |
|
|
940 | psiconv_error(config,lev+1,off,"Converting bytes to pixels failed"); |
|
|
941 | if (!res) |
|
|
942 | return -PSICONV_E_NOMEM; |
|
|
943 | else |
|
|
944 | return res; |
|
|
945 | } |
|
|
946 | |
|
|
947 | int psiconv_pixel_data_to_floats (const psiconv_config config, int lev, |
|
|
948 | psiconv_u32 off, |
|
|
949 | const psiconv_pixel_ints pixels, |
|
|
950 | psiconv_pixel_floats_t *floats, |
|
|
951 | int colordepth, int color, |
|
|
952 | int redbits, int bluebits, int greenbits, |
|
|
953 | const psiconv_pixel_floats_t palet) |
|
|
954 | { |
|
|
955 | int res = 0; |
|
|
956 | psiconv_u32 i; |
|
|
957 | psiconv_u32 *pixel; |
|
|
958 | |
|
|
959 | psiconv_progress(config,lev+1,off,"Going to convert pixels to floats"); |
|
|
960 | if (!((*floats).red = malloc(psiconv_list_length(pixels) * |
|
|
961 | sizeof(*(*floats).red)))) |
|
|
962 | goto ERROR1; |
|
|
963 | if (!((*floats).green = malloc(psiconv_list_length(pixels) * |
|
|
964 | sizeof(*(*floats).green)))) |
|
|
965 | goto ERROR2; |
|
|
966 | if (!((*floats).blue = malloc(psiconv_list_length(pixels) * |
|
|
967 | sizeof(*(*floats).blue)))) |
|
|
968 | goto ERROR3; |
|
|
969 | (*floats).length = psiconv_list_length(pixels); |
|
|
970 | |
|
|
971 | for (i = 0; i < psiconv_list_length(pixels); i++) { |
|
|
972 | if (!(pixel = psiconv_list_get(pixels,i))) |
|
|
973 | goto ERROR4; |
|
|
974 | psiconv_progress(config,lev+2,off, "Handling pixel %04x (%04x)",i,*pixel); |
|
|
975 | if (!palet.length) { |
|
|
976 | if (color) { |
|
|
977 | (*floats).blue[i] = ((float) (*pixel & ((1 << bluebits) - 1))) / |
|
|
978 | (1 << bluebits); |
|
|
979 | (*floats).green[i] = ((float) ((*pixel >> bluebits) & |
|
|
980 | ((1 << greenbits) - 1))) / (1 << greenbits); |
|
|
981 | (*floats).red[i] = ((float) ((*pixel >> (bluebits+greenbits)) & |
|
|
982 | ((1 << redbits) - 1))) / (1 << redbits); |
|
|
983 | } else { |
|
|
984 | (*floats).red[i] = (*floats).green[i] = |
|
|
985 | (*floats).blue[i] = ((float) *pixel) / |
|
|
986 | (1 << colordepth); |
|
|
987 | } |
|
|
988 | } else { |
|
|
989 | if (*pixel >= palet.length) { |
|
|
990 | psiconv_warn(config,lev+2,off, |
|
|
991 | "Invalid palet color found (using color 0x00)"); |
|
|
992 | (*floats).red[i] = palet.red[0]; |
|
|
993 | (*floats).green[i] = palet.green[0]; |
|
|
994 | (*floats).blue[i] = palet.blue[0]; |
|
|
995 | } else { |
|
|
996 | (*floats).red[i] = palet.red[*pixel]; |
|
|
997 | (*floats).green[i] = palet.green[*pixel]; |
|
|
998 | (*floats).blue[i] = palet.blue[*pixel]; |
|
|
999 | } |
|
|
1000 | } |
|
|
1001 | psiconv_debug(config,lev+2,off, "Pixel: Red (%f), green (%f), blue (%f)", |
|
|
1002 | (*floats).red[i],(*floats).green[i],(*floats).blue[i]); |
|
|
1003 | } |
|
|
1004 | psiconv_progress(config,lev+1,off,"Finished converting pixels to floats"); |
|
|
1005 | return 0; |
|
|
1006 | |
|
|
1007 | ERROR4: |
|
|
1008 | free((*floats).blue); |
|
|
1009 | ERROR3: |
|
|
1010 | free((*floats).green); |
|
|
1011 | ERROR2: |
|
|
1012 | free((*floats).red); |
|
|
1013 | ERROR1: |
|
|
1014 | psiconv_error(config,lev+1,off,"Converting pixels to floats failed"); |
|
|
1015 | if (!res) |
|
|
1016 | return -PSICONV_E_NOMEM; |
|
|
1017 | else |
|
|
1018 | return res; |
|
|
1019 | } |
|
|
1020 | |
|
|
1021 | |
|
|
1022 | |