/[public]/psiconv/trunk/program/psiconv/gen_image.c
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Contents of /psiconv/trunk/program/psiconv/gen_image.c

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Revision 142 - (show annotations)
Tue Jan 29 18:38:38 2002 UTC (18 years, 6 months ago) by frodo
File MIME type: text/plain
File size: 6149 byte(s)
(Frodo) DMALLOC support

1 /*
2 * gen_image.c - Part of psiconv, a PSION 5 file formats converter
3 * Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl>
4 *
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
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #include "config.h"
21 #include "psiconv/data.h"
22 #include "gen.h"
23 #include <string.h>
24 #include "psiconv.h"
25
26 #ifdef IMAGEMAGICK
27 #include "magick-aux.h"
28 #include <magick/magick.h>
29
30 #ifdef DMALLOC
31 #include "dmalloc.h"
32 #endif
33
34 static void set_filename(char *dest,const char *type, const char *name)
35 {
36 int len;
37 strcpy(dest,type);
38 len = strlen(dest);
39 dest[len] = ':';
40 strcpy(dest + len + 1,name);
41 }
42
43 /* This is ridiculously simple using ImageMagick. Without it, it would
44 be quite somewhat harder - it will be left for later on.
45 Note that we ignore any errors. Dangerous... */
46
47 static Image *get_paint_data_section(psiconv_paint_data_section sec)
48 {
49 Image *image;
50 float *pixel, *p, *red, *green, *blue;
51 int x,y;
52 ExceptionInfo exc;
53
54 GetExceptionInfo(&exc);
55 red = sec->red;
56 green = sec->green;
57 blue = sec->blue;
58 p = pixel = malloc(sec->xsize * sec->ysize * 3 * sizeof(float));
59 for (y = 0; y < sec->ysize; y++) {
60 for (x = 0; x < sec->xsize; x++) {
61 *p++ = *red++;
62 *p++ = *green++;
63 *p++ = *blue++;
64 }
65 }
66
67 image = ConstituteImage(sec->xsize,sec->ysize,"RGB",FloatPixel,pixel,&exc);
68 if (! image) {
69 MagickError(exc.severity,exc.reason,exc.description);
70 }
71 free(pixel);
72
73 return image;
74 }
75
76 #endif
77
78 static int psiconv_gen_image_clipart(const char *filename, psiconv_clipart_f f,
79 const char *dest)
80 {
81 #if IMAGEMAGICK
82 psiconv_clipart_section section;
83 const MagickInfo *mi;
84 ImageInfo *image_info;
85 Image *image = NULL;
86 Image *last_image = NULL;
87 Image *this_image, *images;
88 ExceptionInfo exc;
89 int i;
90 unsigned int status;
91
92 GetExceptionInfo(&exc);
93 if (!(mi = GetMagickInfo(dest,&exc)))
94 return -1;
95
96 if ((psiconv_list_length(f->sections) < 1) ||
97 ((psiconv_list_length(f->sections)) > 1 && ! (mi->adjoin)))
98 #endif
99 return -1;
100 #if IMAGEMAGICK
101 for (i = 0; i < psiconv_list_length(f->sections); i++) {
102 section = psiconv_list_get(f->sections,i);
103 this_image = get_paint_data_section(section->picture);
104 if (! image) {
105 image = this_image;
106 } else {
107 last_image->next=this_image;
108 this_image->previous=last_image;
109 }
110 last_image = this_image;
111 }
112
113 image_info = CloneImageInfo(NULL);
114 set_filename(image->filename,dest,filename);
115 if (image->next)
116 images = CoalesceImages(image,&exc);
117 else
118 images = image;
119 if (! images)
120 CatchImageException(image);
121
122 status = WriteImage(image_info,images);
123 if (!status)
124 CatchImageException(images);
125 DestroyImageInfo(image_info);
126 if (image != images)
127 DestroyImages(image);
128 DestroyImages(images);
129 return 0;
130 #endif
131 }
132
133 static int psiconv_gen_image_mbm(const char *filename, psiconv_mbm_f f,
134 const char *dest)
135 {
136
137 #if IMAGEMAGICK
138 psiconv_paint_data_section section;
139 const MagickInfo *mi;
140 ImageInfo *image_info;
141 Image *image = NULL;
142 Image *last_image = NULL;
143 Image *this_image, *images;
144 ExceptionInfo exc;
145 int i;
146 unsigned int status;
147
148 GetExceptionInfo(&exc);
149 if (!(mi = GetMagickInfo(dest,&exc)))
150 return -1;
151
152 if ((psiconv_list_length(f->sections) < 1) ||
153 ((psiconv_list_length(f->sections)) > 1 && ! (mi->adjoin)))
154 #endif
155 return -1;
156 #if IMAGEMAGICK
157
158 for (i = 0; i < psiconv_list_length(f->sections); i++) {
159 section = psiconv_list_get(f->sections,i);
160 this_image = get_paint_data_section(section);
161 if (! image) {
162 image = this_image;
163 } else {
164 last_image->next=this_image;
165 this_image->previous=last_image;
166 }
167 last_image = this_image;
168 }
169
170 image_info = CloneImageInfo(NULL);
171 set_filename(image->filename,dest,filename);
172 if (image->next)
173 images = CoalesceImages(image,&exc);
174 else
175 images = image;
176 if (! images)
177 CatchImageException(image);
178
179 status = WriteImage(image_info,images);
180 if (!status)
181 CatchImageException(images);
182 DestroyImageInfo(image_info);
183 if (image != images)
184 DestroyImages(image);
185 DestroyImages(images);
186 return 0;
187 #endif
188 }
189
190 static void psiconv_gen_image_sketch(const char *filename, psiconv_sketch_f f,
191 const char *dest)
192 {
193 #if IMAGEMAGICK
194 ImageInfo *image_info;
195 Image *image;
196
197 image = get_paint_data_section(f->sketch_sec->picture);
198 image_info = CloneImageInfo(NULL);
199 set_filename(image->filename,dest,filename);
200 WriteImage(image_info,image);
201 DestroyImageInfo(image_info);
202 DestroyImage(image);
203 #endif
204 }
205
206 static int psiconv_gen_image(const char * filename, const psiconv_file file,
207 const char *dest)
208 {
209 if (file->type == psiconv_mbm_file)
210 psiconv_gen_image_mbm(filename,(psiconv_mbm_f) file->file,dest);
211 else if (file->type == psiconv_clipart_file)
212 psiconv_gen_image_clipart(filename,(psiconv_clipart_f) file->file,dest);
213 else if (file->type == psiconv_sketch_file) {
214 psiconv_gen_image_sketch(filename,(psiconv_sketch_f) file->file,dest);
215 } else
216 return -1;
217 return 0;
218 }
219
220 void init_image(void)
221 {
222 struct psiconv_fileformat_s ff;
223 #if IMAGEMAGICK
224 const MagickInfo *mi;
225 ff.output = psiconv_gen_image;
226 for (mi = GetMagickFileList(); mi ; mi = mi->next) {
227 if (mi->encoder) {
228 ff.name = strdup(mi->name);
229 ff.description = strdup(mi->description);
230 psiconv_list_add(fileformat_list,&ff);
231 }
232 }
233 #endif
234 }
235

frodo@frodo.looijaard.name
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