1 | /* |
1 | /* |
2 | |
|
|
3 | generate_image.c - Part of psiconv, a PSION 5 file formats converter |
2 | generate_image.c - Part of psiconv, a PSION 5 file formats converter |
4 | Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl> |
3 | Copyright (c) 1999-2004 Frodo Looijaard <frodol@dds.nl> |
5 | |
4 | |
6 | 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 |
7 | 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 |
8 | the Free Software Foundation; either version 2 of the License, or |
7 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
… | |
22 | #include "compat.h" |
21 | #include "compat.h" |
23 | |
22 | |
24 | #include "generate_routines.h" |
23 | #include "generate_routines.h" |
25 | #include "error.h" |
24 | #include "error.h" |
26 | #include "list.h" |
25 | #include "list.h" |
|
|
26 | #include "image.h" |
27 | |
27 | |
28 | #ifdef DMALLOC |
28 | #ifdef DMALLOC |
29 | #include <dmalloc.h> |
29 | #include <dmalloc.h> |
30 | #endif |
30 | #endif |
31 | |
31 | |
32 | typedef psiconv_list psiconv_pixel_bytes; /* psiconv_u8 */ |
|
|
33 | |
|
|
34 | typedef psiconv_list psiconv_pixel_ints; /* of psiconv_u32 */ |
|
|
35 | |
|
|
36 | typedef struct psiconv_pixel_float_s |
|
|
37 | { |
|
|
38 | psiconv_u32 length; |
|
|
39 | float *red; |
|
|
40 | float *green; |
|
|
41 | float *blue; |
|
|
42 | } psiconv_pixel_floats_t; |
|
|
43 | |
32 | |
44 | static int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels, |
33 | static int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels, |
45 | int xsize,int ysize, |
34 | int xsize,int ysize, |
46 | const psiconv_pixel_floats_t data, |
35 | const psiconv_pixel_floats_t data, |
47 | int colordepth, |
36 | int colordepth,int color, |
|
|
37 | int redbits,int greenbits,int bluebits, |
48 | const psiconv_pixel_floats_t palet); |
38 | const psiconv_pixel_floats_t palet); |
49 | static int psiconv_pixel_data_to_bytes(const psiconv_config config, |
39 | static int psiconv_pixel_data_to_bytes(const psiconv_config config,int lev, |
50 | psiconv_pixel_bytes *bytes, int xsize, |
40 | psiconv_pixel_bytes *bytes, int xsize, |
51 | int ysize, const psiconv_pixel_ints pixels, |
41 | int ysize, const psiconv_pixel_ints pixels, |
52 | int colordepth); |
42 | int colordepth); |
53 | static int psiconv_encode_rle8(const psiconv_config config, |
43 | static int psiconv_encode_rle8(const psiconv_config config, |
|
|
44 | const psiconv_pixel_bytes plain_bytes, |
|
|
45 | psiconv_pixel_bytes *encoded_bytes); |
|
|
46 | static int psiconv_encode_rle12(const psiconv_config config, |
54 | const psiconv_pixel_bytes plain_bytes, |
47 | const psiconv_pixel_bytes plain_bytes, |
55 | psiconv_pixel_bytes *encoded_bytes); |
48 | psiconv_pixel_bytes *encoded_bytes); |
56 | static int psiconv_encode_rle16(const psiconv_config config, |
49 | static int psiconv_encode_rle16(const psiconv_config config, |
57 | const psiconv_pixel_bytes plain_bytes, |
50 | const psiconv_pixel_bytes plain_bytes, |
58 | psiconv_pixel_bytes *encoded_bytes); |
51 | psiconv_pixel_bytes *encoded_bytes); |
59 | static int psiconv_encode_rle24(const psiconv_config config, |
52 | static int psiconv_encode_rle24(const psiconv_config config, |
60 | const psiconv_pixel_bytes plain_bytes, |
53 | const psiconv_pixel_bytes plain_bytes, |
61 | psiconv_pixel_bytes *encoded_bytes); |
54 | psiconv_pixel_bytes *encoded_bytes); |
62 | |
55 | |
63 | #define PALET_GREY_2_LEN 4 |
|
|
64 | float palet_grey_2_rgb[PALET_GREY_2_LEN] = {0.0/3, 1.0/3, 2.0/3, 3.0/3}; |
|
|
65 | #define PALET_GREY_4_LEN 16 |
|
|
66 | float palet_grey_4_rgb[PALET_GREY_4_LEN] = |
|
|
67 | { 0.0/15, 1.0/15, 2.0/15, 3.0/15, |
|
|
68 | 4.0/15, 5.0/15, 6.0/15, 7.0/15, |
|
|
69 | 8.0/15, 9.0/15, 10.0/15, 11.0/15, |
|
|
70 | 12.0/15, 13.0/15, 14.0/15, 15.0/15}; |
|
|
71 | #define PALET_NONE_LEN 0 |
|
|
72 | |
|
|
73 | psiconv_pixel_floats_t palet_grey_2 = |
|
|
74 | { |
|
|
75 | PALET_GREY_2_LEN, |
|
|
76 | (float *) palet_grey_2_rgb, |
|
|
77 | (float *) palet_grey_2_rgb, |
|
|
78 | (float *) palet_grey_2_rgb |
|
|
79 | }; |
|
|
80 | |
|
|
81 | psiconv_pixel_floats_t palet_grey_4 = |
|
|
82 | { |
|
|
83 | PALET_GREY_4_LEN, |
|
|
84 | (float *) palet_grey_4_rgb, |
|
|
85 | (float *) palet_grey_4_rgb, |
|
|
86 | (float *) palet_grey_4_rgb |
|
|
87 | }; |
|
|
88 | |
|
|
89 | psiconv_pixel_floats_t palet_none = |
|
|
90 | { |
|
|
91 | PALET_NONE_LEN, |
|
|
92 | NULL, |
|
|
93 | NULL, |
|
|
94 | NULL |
|
|
95 | }; |
|
|
96 | |
|
|
97 | |
|
|
98 | int psiconv_write_paint_data_section(const psiconv_config config, |
56 | int psiconv_write_paint_data_section(const psiconv_config config, |
99 | psiconv_buffer buf, |
57 | psiconv_buffer buf, int lev, |
100 | const psiconv_paint_data_section value, |
58 | const psiconv_paint_data_section value, |
101 | int is_clipart) |
59 | int is_clipart) |
102 | { |
60 | { |
103 | int res,colordepth,i; |
61 | int res,colordepth,i; |
104 | psiconv_pixel_ints ints; |
62 | psiconv_pixel_ints ints; |
105 | psiconv_pixel_floats_t floats,palet; |
63 | psiconv_pixel_floats_t floats,palet; |
106 | psiconv_list bytes,bytes_rle; |
64 | psiconv_list bytes,bytes_rle; |
107 | psiconv_u8 *byteptr,encoding; |
65 | psiconv_u8 *byteptr,encoding; |
108 | |
66 | |
|
|
67 | psiconv_progress(config,lev,0,"Writing paint data section"); |
|
|
68 | |
|
|
69 | /* First, we check whether we can cope with the current configuration. |
|
|
70 | If not, we stop at once */ |
|
|
71 | if ((config->colordepth != 2) && (config->colordepth != 4) && |
|
|
72 | (config->colordepth != 8) && (config->colordepth != 12) && |
|
|
73 | (config->colordepth != 16) && (config->colordepth != 24)) { |
|
|
74 | psiconv_error(config,lev,0, |
|
|
75 | "Unsupported color depth (%d); try 2, 4, 8, 16 or 24", |
|
|
76 | config->colordepth); |
|
|
77 | res = -PSICONV_E_GENERATE; |
|
|
78 | goto ERROR1; |
|
|
79 | } |
|
|
80 | |
|
|
81 | if ((config->color) && |
|
|
82 | (config->bluebits || config->redbits || config->greenbits) && |
|
|
83 | (config->bluebits+config->redbits+config->greenbits!=config->colordepth)) { |
|
|
84 | psiconv_error(config,lev,0, |
|
|
85 | "Sum of red (%d), green (%d) and blue (%d) bits should be " |
|
|
86 | "equal to the color depth (%d)", |
|
|
87 | config->redbits,config->greenbits,config->bluebits, |
|
|
88 | config->colordepth); |
|
|
89 | res = -PSICONV_E_GENERATE; |
|
|
90 | goto ERROR1; |
|
|
91 | } |
|
|
92 | |
|
|
93 | if (config->color && |
|
|
94 | !(config->redbits || config->greenbits || config->bluebits) && |
|
|
95 | (config->colordepth != 4) && (config->colordepth != 8)) { |
|
|
96 | psiconv_error(config,lev,0, |
|
|
97 | "Current color depth (%d) has no palet associated with it", |
|
|
98 | config->colordepth); |
|
|
99 | res = -PSICONV_E_GENERATE; |
|
|
100 | goto ERROR1; |
|
|
101 | } |
|
|
102 | |
|
|
103 | if (config->color || (config->colordepth != 2)) |
|
|
104 | psiconv_warn(config,lev,0, |
|
|
105 | "All image types except 2-bit greyscale are experimental!"); |
|
|
106 | |
|
|
107 | |
109 | if (!value) { |
108 | if (!value) { |
110 | psiconv_warn(config,0,psiconv_buffer_length(buf),"Null paint data section"); |
109 | psiconv_error(config,lev,0,"Null paint data section"); |
111 | res = -PSICONV_E_GENERATE; |
110 | res = -PSICONV_E_GENERATE; |
112 | goto ERROR1; |
111 | goto ERROR1; |
113 | } |
112 | } |
114 | |
113 | |
115 | floats.red = value->red; |
114 | floats.red = value->red; |
116 | floats.green = value->green; |
115 | floats.green = value->green; |
117 | floats.blue = value->blue; |
116 | floats.blue = value->blue; |
118 | floats.length = value->xsize * value->ysize; |
117 | floats.length = value->xsize * value->ysize; |
119 | |
118 | |
|
|
119 | palet = psiconv_palet_none; |
|
|
120 | if ((config->color) && (config->redbits == 0) && (config->greenbits == 0) && |
|
|
121 | (config->bluebits == 0)) |
120 | switch (config->colordepth) { |
122 | switch (config->colordepth) { |
121 | default: |
123 | case 4: palet = psiconv_palet_color_4; break; |
122 | case 2: palet = (config->color?palet_none:palet_grey_2); |
124 | case 8: palet = psiconv_palet_color_8; break; |
123 | break; |
125 | default: palet = psiconv_palet_none; break; |
124 | case 4: palet = (config->color?palet_none:palet_grey_4); |
|
|
125 | break; |
|
|
126 | } |
126 | } |
127 | |
127 | |
128 | if ((res = psiconv_collect_pixel_data(&ints,value->xsize, |
128 | if ((res = psiconv_collect_pixel_data(&ints,value->xsize, |
129 | value->ysize,floats, |
129 | value->ysize,floats, |
130 | config->colordepth,palet))) |
130 | config->colordepth,config->color, |
|
|
131 | config->redbits,config->greenbits, |
|
|
132 | config->bluebits,palet))) { |
|
|
133 | psiconv_error(config,lev,0,"Error collecting pixel data"); |
131 | goto ERROR1; |
134 | goto ERROR1; |
|
|
135 | } |
132 | |
136 | |
133 | if ((res = psiconv_pixel_data_to_bytes(config,&bytes,value->xsize,value->ysize, |
137 | if ((res = psiconv_pixel_data_to_bytes(config,lev+1,&bytes,value->xsize, |
134 | ints,config->colordepth))) |
138 | value->ysize,ints, |
|
|
139 | config->colordepth))) { |
|
|
140 | psiconv_error(config,lev,0,"Error translating pixel data to bytes"); |
135 | goto ERROR2; |
141 | goto ERROR2; |
|
|
142 | } |
136 | |
143 | |
137 | |
144 | |
|
|
145 | switch (config->colordepth) { |
|
|
146 | case 2: |
|
|
147 | case 4: |
|
|
148 | case 8: |
138 | encoding = 0x00; |
149 | encoding = 0x01; |
139 | if ((res = psiconv_encode_rle8(config,bytes,&bytes_rle))) |
150 | if ((res = psiconv_encode_rle8(config,bytes,&bytes_rle))) { |
|
|
151 | psiconv_error(config,lev,0,"Error encoding RLE8"); |
140 | goto ERROR3; |
152 | goto ERROR3; |
|
|
153 | } |
|
|
154 | break; |
|
|
155 | case 12: |
|
|
156 | encoding = 0x02; |
|
|
157 | if ((res = psiconv_encode_rle12(config,bytes,&bytes_rle))) { |
|
|
158 | psiconv_error(config,lev,0,"Error encoding RLE12"); |
|
|
159 | goto ERROR3; |
|
|
160 | } |
|
|
161 | break; |
|
|
162 | case 16: |
|
|
163 | encoding = 0x03; |
|
|
164 | if ((res = psiconv_encode_rle16(config,bytes,&bytes_rle))) { |
|
|
165 | psiconv_error(config,lev,0,"Error encoding RLE16"); |
|
|
166 | goto ERROR3; |
|
|
167 | } |
|
|
168 | break; |
|
|
169 | case 24: |
|
|
170 | encoding = 0x04; |
|
|
171 | if ((res = psiconv_encode_rle24(config,bytes,&bytes_rle))) { |
|
|
172 | psiconv_error(config,lev,0,"Error encoding RLE24"); |
|
|
173 | goto ERROR3; |
|
|
174 | } |
|
|
175 | break; |
|
|
176 | default: |
|
|
177 | encoding = 0x00; |
|
|
178 | } |
|
|
179 | if (encoding) { |
141 | if (psiconv_list_length(bytes_rle) < psiconv_list_length(bytes)) { |
180 | if (psiconv_list_length(bytes_rle) < psiconv_list_length(bytes)) { |
142 | encoding = 0x01; |
|
|
143 | psiconv_list_free(bytes); |
181 | psiconv_list_free(bytes); |
144 | bytes = bytes_rle; |
182 | bytes = bytes_rle; |
145 | } else { |
183 | } else { |
146 | bytes_rle = NULL; |
184 | psiconv_list_free(bytes_rle); |
|
|
185 | encoding = 0x00; |
147 | } |
186 | } |
|
|
187 | } |
148 | |
188 | |
149 | if ((res = psiconv_write_u32(config,buf, |
189 | if ((res = psiconv_write_u32(config,buf,lev+1, |
150 | 0x28+psiconv_list_length(bytes)))) |
190 | 0x28+psiconv_list_length(bytes)))) |
151 | goto ERROR3; |
191 | goto ERROR3; |
152 | if ((res = psiconv_write_u32(config,buf,0x28))) |
192 | if ((res = psiconv_write_u32(config,buf,lev+1,0x28))) |
153 | goto ERROR3; |
193 | goto ERROR3; |
154 | if ((res = psiconv_write_u32(config,buf,value->xsize))) |
194 | if ((res = psiconv_write_u32(config,buf,lev+1,value->xsize))) |
155 | goto ERROR3; |
195 | goto ERROR3; |
156 | if ((res = psiconv_write_u32(config,buf,value->ysize))) |
196 | if ((res = psiconv_write_u32(config,buf,lev+1,value->ysize))) |
157 | goto ERROR3; |
197 | goto ERROR3; |
158 | if ((res = psiconv_write_length(config,buf,value->pic_xsize))) |
198 | if ((res = psiconv_write_length(config,buf,lev+1,value->pic_xsize))) |
159 | goto ERROR3; |
199 | goto ERROR3; |
160 | if ((res = psiconv_write_length(config,buf,value->pic_ysize))) |
200 | if ((res = psiconv_write_length(config,buf,lev+1,value->pic_ysize))) |
161 | goto ERROR3; |
201 | goto ERROR3; |
162 | colordepth = config->colordepth; |
202 | colordepth = config->colordepth; |
163 | if ((colordepth != 2) && colordepth != 4) |
|
|
164 | colordepth = 2; |
|
|
165 | if ((res = psiconv_write_u32(config,buf,colordepth))) |
203 | if ((res = psiconv_write_u32(config,buf,lev+1,colordepth))) |
166 | goto ERROR3; |
204 | goto ERROR3; |
167 | if ((res = psiconv_write_u32(config,buf,(config->color?1:0)))) |
205 | if ((res = psiconv_write_u32(config,buf,lev+1,(config->color?1:0)))) |
168 | goto ERROR3; |
206 | goto ERROR3; |
169 | if ((res = psiconv_write_u32(config,buf,0))) |
207 | if ((res = psiconv_write_u32(config,buf,lev+1,0))) |
170 | goto ERROR3; |
208 | goto ERROR3; |
171 | if ((res = psiconv_write_u32(config,buf,encoding))) |
209 | if ((res = psiconv_write_u32(config,buf,lev+1,encoding))) |
172 | goto ERROR3; |
210 | goto ERROR3; |
173 | if (is_clipart) { |
211 | if (is_clipart) { |
174 | if ((res = psiconv_write_u32(config,buf,0xffffffff))) |
212 | if ((res = psiconv_write_u32(config,buf,lev+1,0xffffffff))) |
175 | goto ERROR3; |
213 | goto ERROR3; |
176 | if ((res = psiconv_write_u32(config,buf,0x00000044))) |
214 | if ((res = psiconv_write_u32(config,buf,lev+1,0x00000044))) |
177 | goto ERROR3; |
215 | goto ERROR3; |
178 | } |
216 | } |
179 | for (i = 0; i < psiconv_list_length(bytes); i++) { |
217 | for (i = 0; i < psiconv_list_length(bytes); i++) { |
180 | if (!(byteptr = psiconv_list_get(bytes,i))) |
218 | if (!(byteptr = psiconv_list_get(bytes,i))) |
181 | goto ERROR3; |
219 | goto ERROR3; |
182 | if ((res = psiconv_write_u8(config,buf,*byteptr))) |
220 | if ((res = psiconv_write_u8(config,buf,lev+1,*byteptr))) |
183 | goto ERROR3; |
221 | goto ERROR3; |
184 | } |
222 | } |
185 | |
223 | |
186 | ERROR3: |
224 | ERROR3: |
187 | psiconv_list_free(bytes); |
225 | psiconv_list_free(bytes); |
188 | ERROR2: |
226 | ERROR2: |
189 | psiconv_list_free(ints); |
227 | psiconv_list_free(ints); |
190 | ERROR1: |
228 | ERROR1: |
|
|
229 | if (res) |
|
|
230 | psiconv_error(config,lev,0,"Writing of paint data section failed"); |
|
|
231 | else |
|
|
232 | psiconv_progress(config,lev,0,"End of paint data section"); |
191 | return res; |
233 | return res; |
192 | } |
234 | } |
193 | |
235 | |
194 | /* Translate the floating point RGB information into pixel values. |
236 | /* Translate the floating point RGB information into pixel values. |
195 | The palet is optional; without it, we just use the |
237 | The palet is optional; without it, we just use the |
196 | colordepth. With a large palet this is not very fast, but it will do for |
238 | colordepth. With a large palet this is not very fast, but it will do for |
197 | now. For greyscale pictures, just use the palet. */ |
239 | now. For greyscale pictures, just use the palet. */ |
198 | int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels,int xsize,int ysize, |
240 | int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels,int xsize,int ysize, |
199 | const psiconv_pixel_floats_t data, |
241 | const psiconv_pixel_floats_t data, |
200 | int colordepth, |
242 | int colordepth,int color, |
|
|
243 | int redbits,int bluebits,int greenbits, |
201 | const psiconv_pixel_floats_t palet) |
244 | const psiconv_pixel_floats_t palet) |
202 | { |
245 | { |
203 | int res,x,y,i; |
246 | int res,x,y,i; |
204 | psiconv_u32 index,pixel; |
247 | psiconv_u32 index,pixel; |
205 | float p_red,p_green,p_blue,mult,dist,new_dist; |
248 | float p_red,p_green,p_blue,dist,new_dist; |
206 | |
249 | |
207 | if (!(*pixels = psiconv_list_new(sizeof(psiconv_u32)))) { |
250 | if (!(*pixels = psiconv_list_new(sizeof(psiconv_u32)))) { |
208 | res = -PSICONV_E_NOMEM; |
251 | res = -PSICONV_E_NOMEM; |
209 | goto ERROR1; |
252 | goto ERROR1; |
210 | } |
253 | } |
211 | |
254 | |
212 | mult = 1 << colordepth; |
|
|
213 | for (y = 0; y < ysize; y++) { |
255 | for (y = 0; y < ysize; y++) { |
214 | for (x = 0; x < xsize; x++) { |
256 | for (x = 0; x < xsize; x++) { |
215 | index = y*xsize+x; |
257 | index = y*xsize+x; |
216 | p_red = data.red[index]; |
258 | p_red = data.red[index]; |
217 | p_green = data.green[index]; |
259 | p_green = data.green[index]; |
218 | p_blue = data.blue[index]; |
260 | p_blue = data.blue[index]; |
219 | if (!palet.length) { |
261 | if (!palet.length) { |
220 | pixel = (((psiconv_u32) (p_red*mult+0.5)) << (2*colordepth)) + |
262 | if (color) |
221 | (((psiconv_u32) (p_green*mult+0.5)) << colordepth) + |
263 | pixel = (((psiconv_u32) (p_red * (1 << redbits) + 0.5)) |
|
|
264 | << (greenbits+bluebits)) + |
|
|
265 | (((psiconv_u32) (p_green * (1 << greenbits) + 0.5)) |
|
|
266 | << bluebits) + |
222 | ((psiconv_u32) (p_blue*mult+0.5)); |
267 | ((psiconv_u32) (p_blue * (1 << bluebits) + 0.5)); |
|
|
268 | else |
|
|
269 | pixel = (0.212671 * p_red + 0.715160 * p_green + 0.072169 * p_blue) * ((1 << colordepth) * 0.999); |
223 | } else { |
270 | } else { |
224 | dist = 4; /* Max distance is 3, so this is safe */ |
271 | dist = 4; /* Max distance is 3, so this is safe */ |
225 | pixel = -1; |
272 | pixel = -1; |
226 | for (i = 0; i < palet.length; i++) { |
273 | for (i = 0; i < palet.length; i++) { |
227 | new_dist = (p_red - palet.red[i]) * (p_red - palet.red[i]) + |
274 | new_dist = (p_red - palet.red[i]) * (p_red - palet.red[i]) + |
… | |
… | |
243 | psiconv_list_free(*pixels); |
290 | psiconv_list_free(*pixels); |
244 | ERROR1: |
291 | ERROR1: |
245 | return res; |
292 | return res; |
246 | } |
293 | } |
247 | |
294 | |
248 | int psiconv_pixel_data_to_bytes(const psiconv_config config, |
295 | int psiconv_pixel_data_to_bytes(const psiconv_config config,int lev, |
249 | psiconv_pixel_bytes *bytes, int xsize, |
296 | psiconv_pixel_bytes *bytes, int xsize, |
250 | int ysize, const psiconv_pixel_ints pixels, |
297 | int ysize, const psiconv_pixel_ints pixels, |
251 | int colordepth) |
298 | int colordepth) |
252 | { |
299 | { |
253 | int res; |
300 | int res; |
… | |
… | |
258 | psiconv_u32 *pixelptr; |
305 | psiconv_u32 *pixelptr; |
259 | int inputbitsleft,outputbitnr,bitsfit,outputbytenr; |
306 | int inputbitsleft,outputbitnr,bitsfit,outputbytenr; |
260 | |
307 | |
261 | |
308 | |
262 | if (!bytes) { |
309 | if (!bytes) { |
263 | psiconv_warn(config,0,0,"NULL pixel data"); |
310 | psiconv_error(config,lev,0,"NULL pixel data"); |
264 | res = -PSICONV_E_GENERATE; |
311 | res = -PSICONV_E_GENERATE; |
265 | goto ERROR1; |
312 | goto ERROR1; |
266 | } |
313 | } |
267 | if (!pixels) { |
314 | if (!pixels) { |
268 | psiconv_warn(config,0,0,"NULL pixel data"); |
315 | psiconv_error(config,lev,0,"NULL pixel data"); |
269 | res = -PSICONV_E_GENERATE; |
316 | res = -PSICONV_E_GENERATE; |
270 | goto ERROR1; |
317 | goto ERROR1; |
271 | } |
318 | } |
272 | if (psiconv_list_length(pixels) != xsize * ysize) { |
319 | if (psiconv_list_length(pixels) != xsize * ysize) { |
273 | psiconv_warn(config,0,0,"Pixel number is not correct"); |
320 | psiconv_error(config,lev,0,"Pixel number is not correct"); |
274 | res = -PSICONV_E_GENERATE; |
321 | res = -PSICONV_E_GENERATE; |
275 | goto ERROR1; |
322 | goto ERROR1; |
276 | } |
323 | } |
277 | |
324 | |
278 | if (!(*bytes = psiconv_list_new(sizeof(psiconv_u8)))) { |
325 | if (!(*bytes = psiconv_list_new(sizeof(psiconv_u8)))) { |
… | |
… | |
285 | outputbyte = 0; |
332 | outputbyte = 0; |
286 | for (y = 0; y < ysize; y++) { |
333 | for (y = 0; y < ysize; y++) { |
287 | outputbytenr = 0; |
334 | outputbytenr = 0; |
288 | for (x = 0; x < xsize; x++) { |
335 | for (x = 0; x < xsize; x++) { |
289 | if (!(pixelptr = psiconv_list_get(pixels,y*xsize+x))) { |
336 | if (!(pixelptr = psiconv_list_get(pixels,y*xsize+x))) { |
290 | psiconv_warn(config,0,0,"Massive internal corruption"); |
337 | psiconv_error(config,lev,0,"Data structure corruption"); |
291 | res = -PSICONV_E_NOMEM; |
338 | res = -PSICONV_E_NOMEM; |
292 | goto ERROR2; |
339 | goto ERROR2; |
293 | } |
340 | } |
294 | inputbitsleft = colordepth; |
341 | inputbitsleft = colordepth; |
295 | inputdata = *pixelptr; |
342 | inputdata = *pixelptr; |
… | |
… | |
330 | psiconv_list_free(*bytes); |
377 | psiconv_list_free(*bytes); |
331 | ERROR1: |
378 | ERROR1: |
332 | return res; |
379 | return res; |
333 | } |
380 | } |
334 | |
381 | |
|
|
382 | /* RLE8 encoding: |
|
|
383 | Marker bytes followed by one or more data bytes. |
|
|
384 | Marker value 0x00-0x7f: repeat the next data byte (marker+1) times |
|
|
385 | Marker value 0xff-0x80: (0x100-marker) data bytes follow */ |
335 | int psiconv_encode_rle8(const psiconv_config config, |
386 | int psiconv_encode_rle8(const psiconv_config config, |
336 | const psiconv_pixel_bytes plain_bytes, |
387 | const psiconv_pixel_bytes plain_bytes, |
337 | psiconv_pixel_bytes *encoded_bytes) |
388 | psiconv_pixel_bytes *encoded_bytes) |
338 | { |
389 | { |
339 | int res,i,j,len; |
390 | int res,i,j,len; |
… | |
… | |
362 | goto ERROR2; |
413 | goto ERROR2; |
363 | if ((res = psiconv_list_add(*encoded_bytes,next))) |
414 | if ((res = psiconv_list_add(*encoded_bytes,next))) |
364 | goto ERROR2; |
415 | goto ERROR2; |
365 | i +=2; |
416 | i +=2; |
366 | } else if (*next == *entry) { |
417 | } else if (*next == *entry) { |
367 | len = 0; |
418 | len = 1; |
368 | while ((*next == *entry) && |
419 | while ((*next == *entry) && |
369 | (i+len + 1 < psiconv_list_length(plain_bytes)) && |
420 | (i+len + 2 < psiconv_list_length(plain_bytes)) && |
370 | len < 0x80) { |
421 | len < 0x80) { |
371 | len ++; |
422 | len ++; |
372 | if (!(next = psiconv_list_get(plain_bytes,i+len))) { |
423 | if (!(next = psiconv_list_get(plain_bytes,i+len))) { |
373 | res = -PSICONV_E_NOMEM; |
424 | res = -PSICONV_E_NOMEM; |
374 | goto ERROR2; |
425 | goto ERROR2; |
… | |
… | |
413 | psiconv_list_free(*encoded_bytes); |
464 | psiconv_list_free(*encoded_bytes); |
414 | ERROR1: |
465 | ERROR1: |
415 | return res; |
466 | return res; |
416 | } |
467 | } |
417 | |
468 | |
|
|
469 | /* RLE12 encoding: |
|
|
470 | Word based. The 12 least significant bits contain the pixel colors. |
|
|
471 | the 4 most signigicant bits are the number of repetitions minus 1 */ |
|
|
472 | int psiconv_encode_rle12(const psiconv_config config, |
|
|
473 | const psiconv_pixel_bytes plain_bytes, |
|
|
474 | psiconv_pixel_bytes *encoded_bytes) |
|
|
475 | { |
|
|
476 | typedef psiconv_list psiconv_word_data; /* of psiconv_u16 */ |
|
|
477 | psiconv_word_data data; |
|
|
478 | int res,i,len,location; |
|
|
479 | psiconv_u16 *word_entry,*word_next; |
|
|
480 | psiconv_u16 word_data; |
|
|
481 | psiconv_u8 byte_temp; |
|
|
482 | psiconv_u8 *byte_entry; |
|
|
483 | |
|
|
484 | |
|
|
485 | /* First extract the 12-bit values to encode */ |
|
|
486 | if (!(data = psiconv_list_new(sizeof(psiconv_u16)))) { |
|
|
487 | res = -PSICONV_E_NOMEM; |
|
|
488 | goto ERROR1; |
|
|
489 | } |
|
|
490 | |
|
|
491 | for (i = 0; i < psiconv_list_length(plain_bytes); i++) { |
|
|
492 | if (!(byte_entry = psiconv_list_get(plain_bytes,i))) { |
|
|
493 | res = -PSICONV_E_NOMEM; |
|
|
494 | goto ERROR2; |
|
|
495 | } |
|
|
496 | location = 0; |
|
|
497 | if (location == 0) { |
|
|
498 | word_data = *byte_entry; |
|
|
499 | location ++; |
|
|
500 | } else if (location == 1) { |
|
|
501 | word_data = (word_data << 4) + (*byte_entry & 0x0f); |
|
|
502 | if ((res = psiconv_list_add(data,&word_data))) |
|
|
503 | goto ERROR2; |
|
|
504 | word_data = *byte_entry >> 4; |
|
|
505 | location ++; |
|
|
506 | } else { |
|
|
507 | word_data = (word_data << 8) + *byte_entry; |
|
|
508 | if ((res = psiconv_list_add(data,&word_data))) |
|
|
509 | goto ERROR2; |
|
|
510 | location = 0; |
|
|
511 | } |
|
|
512 | } |
|
|
513 | |
|
|
514 | if (!(*encoded_bytes = psiconv_list_new(sizeof(psiconv_u8)))) { |
|
|
515 | res = -PSICONV_E_NOMEM; |
|
|
516 | goto ERROR2; |
|
|
517 | } |
|
|
518 | |
|
|
519 | for (i = 0; i < psiconv_list_length(data);) { |
|
|
520 | if (!(word_entry = psiconv_list_get(data,i))) { |
|
|
521 | res = -PSICONV_E_NOMEM; |
|
|
522 | goto ERROR3; |
|
|
523 | } |
|
|
524 | |
|
|
525 | if (!(word_next = psiconv_list_get(data,i+1))) { |
|
|
526 | res = -PSICONV_E_NOMEM; |
|
|
527 | goto ERROR3; |
|
|
528 | } |
|
|
529 | |
|
|
530 | if (i == psiconv_list_length(data) - 2) { |
|
|
531 | byte_temp = *word_entry && 0xff; |
|
|
532 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
533 | goto ERROR3; |
|
|
534 | byte_temp = *word_entry >> 8; |
|
|
535 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
536 | goto ERROR3; |
|
|
537 | byte_temp = *word_next && 0xff; |
|
|
538 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
539 | goto ERROR3; |
|
|
540 | byte_temp = *word_next >> 8; |
|
|
541 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
542 | goto ERROR3; |
|
|
543 | i += 2; |
|
|
544 | } |
|
|
545 | |
|
|
546 | len = 0; |
|
|
547 | while ((*word_entry == *word_next) && (len < 16) && |
|
|
548 | (i+len+1 < psiconv_list_length(data))) { |
|
|
549 | len ++; |
|
|
550 | if (!(word_next = psiconv_list_get(data,i+len))) { |
|
|
551 | res = -PSICONV_E_NOMEM; |
|
|
552 | goto ERROR3; |
|
|
553 | } |
|
|
554 | } |
|
|
555 | |
|
|
556 | byte_temp = *word_entry && 0xff; |
|
|
557 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
558 | goto ERROR3; |
|
|
559 | byte_temp = (*word_entry >> 8) + ((len - 1) << 4); |
|
|
560 | if ((res = psiconv_list_add(*encoded_bytes,&byte_temp))) |
|
|
561 | goto ERROR3; |
|
|
562 | i += len; |
|
|
563 | } |
|
|
564 | return 0; |
|
|
565 | |
|
|
566 | ERROR3: |
|
|
567 | psiconv_list_free(*encoded_bytes); |
|
|
568 | ERROR2: |
|
|
569 | psiconv_list_free(data); |
|
|
570 | ERROR1: |
|
|
571 | return res; |
|
|
572 | } |
|
|
573 | |
|
|
574 | /* RLE16 encoding: |
|
|
575 | Marker bytes followed by one or more data words. |
|
|
576 | Marker value 0x00-0x7f: repeat the next data word (marker+1) times |
|
|
577 | Marker value 0xff-0x80: (0x100-marker) data words follow */ |
418 | int psiconv_encode_rle16(const psiconv_config config, |
578 | int psiconv_encode_rle16(const psiconv_config config, |
419 | const psiconv_pixel_bytes plain_bytes, |
579 | const psiconv_pixel_bytes plain_bytes, |
420 | psiconv_pixel_bytes *encoded_bytes) |
580 | psiconv_pixel_bytes *encoded_bytes) |
421 | { |
581 | { |
422 | int res,i,j,len; |
582 | int res,i,j,len; |
… | |
… | |
525 | psiconv_list_free(*encoded_bytes); |
685 | psiconv_list_free(*encoded_bytes); |
526 | ERROR1: |
686 | ERROR1: |
527 | return res; |
687 | return res; |
528 | } |
688 | } |
529 | |
689 | |
|
|
690 | /* RLE24 encoding: |
|
|
691 | Marker bytes followed by one or more data byte-triplets. |
|
|
692 | Marker value 0x00-0x7f: repeat the next data byte-triplets (marker+1) times |
|
|
693 | Marker value 0xff-0x80: (0x100-marker) data byte-triplets follow */ |
530 | int psiconv_encode_rle24(const psiconv_config config, |
694 | int psiconv_encode_rle24(const psiconv_config config, |
531 | const psiconv_pixel_bytes plain_bytes, |
695 | const psiconv_pixel_bytes plain_bytes, |
532 | psiconv_pixel_bytes *encoded_bytes) |
696 | psiconv_pixel_bytes *encoded_bytes) |
533 | { |
697 | { |
534 | int res,i,j,len; |
698 | int res,i,j,len; |
… | |
… | |
671 | return res; |
835 | return res; |
672 | } |
836 | } |
673 | |
837 | |
674 | |
838 | |
675 | int psiconv_write_sketch_section(const psiconv_config config, |
839 | int psiconv_write_sketch_section(const psiconv_config config, |
676 | psiconv_buffer buf, |
840 | psiconv_buffer buf, int lev, |
677 | const psiconv_sketch_section value) |
841 | const psiconv_sketch_section value) |
678 | { |
842 | { |
679 | int res; |
843 | int res; |
680 | |
844 | |
|
|
845 | psiconv_progress(config,lev,0,"Writing sketch section"); |
681 | if (!value) { |
846 | if (!value) { |
682 | psiconv_warn(config,0,0,"NULL sketch section"); |
847 | psiconv_error(config,lev,0,"NULL sketch section"); |
683 | res = -PSICONV_E_GENERATE; |
848 | res = -PSICONV_E_GENERATE; |
684 | goto ERROR1; |
849 | goto ERROR1; |
685 | } |
850 | } |
686 | |
851 | |
687 | if ((res = psiconv_write_u16(config,buf,value->displayed_xsize))) |
852 | if ((res = psiconv_write_u16(config,buf,lev+1,value->displayed_xsize))) |
688 | goto ERROR1; |
853 | goto ERROR1; |
689 | if ((res = psiconv_write_u16(config,buf,value->displayed_ysize))) |
854 | if ((res = psiconv_write_u16(config,buf,lev+1,value->displayed_ysize))) |
690 | goto ERROR1; |
855 | goto ERROR1; |
691 | if ((res = psiconv_write_u16(config,buf,value->picture_data_x_offset))) |
856 | if ((res = psiconv_write_u16(config,buf,lev+1,value->picture_data_x_offset))) |
692 | goto ERROR1; |
857 | goto ERROR1; |
693 | if ((res = psiconv_write_u16(config,buf,value->picture_data_y_offset))) |
858 | if ((res = psiconv_write_u16(config,buf,lev+1,value->picture_data_y_offset))) |
694 | goto ERROR1; |
859 | goto ERROR1; |
695 | if ((res = psiconv_write_u16(config,buf,value->displayed_size_x_offset))) |
860 | if ((res = psiconv_write_u16(config,buf,lev+1,value->displayed_size_x_offset))) |
696 | goto ERROR1; |
861 | goto ERROR1; |
697 | if ((res = psiconv_write_u16(config,buf,value->displayed_size_y_offset))) |
862 | if ((res = psiconv_write_u16(config,buf,lev+1,value->displayed_size_y_offset))) |
698 | goto ERROR1; |
863 | goto ERROR1; |
699 | if ((res = psiconv_write_u16(config,buf,value->form_xsize))) |
864 | if ((res = psiconv_write_u16(config,buf,lev+1,value->form_xsize))) |
700 | goto ERROR1; |
865 | goto ERROR1; |
701 | if ((res = psiconv_write_u16(config,buf,value->form_ysize))) |
866 | if ((res = psiconv_write_u16(config,buf,lev+1,value->form_ysize))) |
702 | goto ERROR1; |
867 | goto ERROR1; |
703 | if ((res = psiconv_write_u16(config,buf,0x0000))) |
868 | if ((res = psiconv_write_u16(config,buf,lev+1,0x0000))) |
704 | goto ERROR1; |
869 | goto ERROR1; |
705 | if ((res = psiconv_write_paint_data_section(config,buf,value->picture,0))) |
870 | if ((res = psiconv_write_paint_data_section(config,buf,lev+1,value->picture,0))) |
706 | goto ERROR1; |
871 | goto ERROR1; |
707 | if ((res = psiconv_write_u16(config,buf,value->magnification_x * 0x03e8))) |
872 | if ((res = psiconv_write_u16(config,buf,lev+1,value->magnification_x * 0x03e8))) |
708 | goto ERROR1; |
873 | goto ERROR1; |
709 | if ((res = psiconv_write_u16(config,buf,value->magnification_y * 0x03e8))) |
874 | if ((res = psiconv_write_u16(config,buf,lev+1,value->magnification_y * 0x03e8))) |
710 | goto ERROR1; |
875 | goto ERROR1; |
711 | if ((res = psiconv_write_u32(config,buf,value->cut_left * 0x0c * |
876 | if ((res = psiconv_write_u32(config,buf,lev+1,value->cut_left * 0x0c * |
712 | value->displayed_xsize))) |
877 | value->displayed_xsize))) |
713 | goto ERROR1; |
878 | goto ERROR1; |
714 | if ((res = psiconv_write_u32(config,buf,value->cut_right * 0x0c * |
879 | if ((res = psiconv_write_u32(config,buf,lev+1,value->cut_right * 0x0c * |
715 | value->displayed_xsize))) |
880 | value->displayed_xsize))) |
716 | goto ERROR1; |
881 | goto ERROR1; |
717 | if ((res = psiconv_write_u32(config,buf,value->cut_top * 0x0c * |
882 | if ((res = psiconv_write_u32(config,buf,lev+1,value->cut_top * 0x0c * |
718 | value->displayed_ysize))) |
883 | value->displayed_ysize))) |
719 | goto ERROR1; |
884 | goto ERROR1; |
720 | if ((res = psiconv_write_u32(config,buf,value->cut_bottom * 0x0c * |
885 | if ((res = psiconv_write_u32(config,buf,lev+1,value->cut_bottom * 0x0c * |
721 | value->displayed_ysize))) |
886 | value->displayed_ysize))) |
722 | goto ERROR1; |
887 | goto ERROR1; |
723 | |
888 | |
724 | ERROR1: |
889 | ERROR1: |
|
|
890 | if (res) |
|
|
891 | psiconv_error(config,lev,0,"Writing of sketch section failed"); |
|
|
892 | else |
|
|
893 | psiconv_progress(config,lev,0,"End of sketch section"); |
725 | return res; |
894 | return res; |
726 | } |
895 | } |
727 | |
896 | |
728 | int psiconv_write_clipart_section(const psiconv_config config, |
897 | int psiconv_write_clipart_section(const psiconv_config config, |
729 | psiconv_buffer buf, |
898 | psiconv_buffer buf, int lev, |
730 | const psiconv_clipart_section value) |
899 | const psiconv_clipart_section value) |
731 | { |
900 | { |
732 | int res; |
901 | int res; |
733 | |
902 | |
734 | |
903 | psiconv_progress(config,lev,0,"Writing clipart section"); |
735 | if (!value) { |
904 | if (!value) { |
736 | psiconv_warn(config,0,psiconv_buffer_length(buf), |
905 | psiconv_error(config,lev,0, "NULL Clipart Section"); |
737 | "NULL Clipart Section"); |
|
|
738 | res = -PSICONV_E_GENERATE; |
906 | res = -PSICONV_E_GENERATE; |
739 | goto ERROR; |
907 | goto ERROR; |
740 | } |
908 | } |
741 | if ((res = psiconv_write_u32(config,buf,PSICONV_ID_CLIPART_ITEM))) |
909 | if ((res = psiconv_write_u32(config,buf,lev+1,PSICONV_ID_CLIPART_ITEM))) |
742 | goto ERROR; |
910 | goto ERROR; |
743 | if ((res = psiconv_write_u32(config,buf,0x00000002))) |
911 | if ((res = psiconv_write_u32(config,buf,lev+1,0x00000002))) |
744 | goto ERROR; |
912 | goto ERROR; |
745 | if ((res = psiconv_write_u32(config,buf,0x00000000))) |
913 | if ((res = psiconv_write_u32(config,buf,lev+1,0x00000000))) |
746 | goto ERROR; |
914 | goto ERROR; |
747 | if ((res = psiconv_write_u32(config,buf,0x00000000))) |
915 | if ((res = psiconv_write_u32(config,buf,lev+1,0x00000000))) |
748 | goto ERROR; |
916 | goto ERROR; |
749 | if ((res = psiconv_write_u32(config,buf,0x0000000C))) |
917 | if ((res = psiconv_write_u32(config,buf,lev+1,0x0000000C))) |
750 | goto ERROR; |
918 | goto ERROR; |
751 | if ((res = psiconv_write_paint_data_section(config,buf,value->picture,1))) |
919 | if ((res = psiconv_write_paint_data_section(config,buf,lev+1,value->picture,1))) |
752 | goto ERROR; |
920 | goto ERROR; |
753 | |
921 | |
754 | ERROR: |
922 | ERROR: |
|
|
923 | if (res) |
|
|
924 | psiconv_error(config,lev,0,"Writing of clipart section failed"); |
|
|
925 | else |
|
|
926 | psiconv_progress(config,lev,0,"End of clipart section"); |
755 | return res; |
927 | return res; |
756 | } |
928 | } |
757 | |
929 | |
758 | int psiconv_write_jumptable_section(const psiconv_config config, |
930 | int psiconv_write_jumptable_section(const psiconv_config config, |
759 | psiconv_buffer buf, |
931 | psiconv_buffer buf, int lev, |
760 | const psiconv_jumptable_section value) |
932 | const psiconv_jumptable_section value) |
761 | { |
933 | { |
762 | int res,i; |
934 | int res,i; |
763 | psiconv_u32 *offset_ptr; |
935 | psiconv_u32 *offset_ptr; |
764 | |
936 | |
|
|
937 | psiconv_progress(config,lev,0,"Writing jumptable section"); |
765 | |
938 | |
766 | if (!value) { |
939 | if (!value) { |
767 | psiconv_warn(config,0,psiconv_buffer_length(buf), |
940 | psiconv_error(config,lev,0,"NULL Jumptable Section"); |
768 | "NULL Jumptable Section"); |
|
|
769 | res = -PSICONV_E_GENERATE; |
941 | res = -PSICONV_E_GENERATE; |
770 | goto ERROR; |
942 | goto ERROR; |
771 | } |
943 | } |
772 | if ((res = psiconv_write_u32(config,buf,psiconv_list_length(value)))) |
944 | if ((res = psiconv_write_u32(config,buf,lev+1,psiconv_list_length(value)))) |
773 | goto ERROR; |
945 | goto ERROR; |
774 | for (i = 0; i < psiconv_list_length(value); i++) { |
946 | for (i = 0; i < psiconv_list_length(value); i++) { |
775 | if (!(offset_ptr = psiconv_list_get(value,i))) { |
947 | if (!(offset_ptr = psiconv_list_get(value,i))) { |
776 | psiconv_warn(config,0,psiconv_buffer_length(buf), |
948 | psiconv_error(config,lev,0,"Massive memory corruption"); |
777 | "Massive memory corruption"); |
|
|
778 | res = -PSICONV_E_NOMEM; |
949 | res = -PSICONV_E_NOMEM; |
779 | goto ERROR; |
950 | goto ERROR; |
780 | } |
951 | } |
781 | if ((res = psiconv_write_offset(config,buf,*offset_ptr))) |
952 | if ((res = psiconv_write_offset(config,buf,lev+1,*offset_ptr))) |
782 | goto ERROR; |
953 | goto ERROR; |
783 | } |
954 | } |
784 | |
955 | |
785 | ERROR: |
956 | ERROR: |
|
|
957 | if (res) |
|
|
958 | psiconv_error(config,lev,0,"Writing of jumptable section failed"); |
|
|
959 | else |
|
|
960 | psiconv_progress(config,lev,0,"End of jumptable section"); |
786 | return res; |
961 | return res; |
787 | } |
962 | } |
788 | |
|
|