/[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 66 - (show annotations)
Fri Dec 15 17:17:45 2000 UTC (19 years, 6 months ago) by frodo
File MIME type: text/plain
File size: 6014 byte(s)
(Frodo) All formats tested, with a little luck most problems are now caught

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 #if IMAGEMAGICK
27 #include "magick-aux.h"
28 #include <magick/magick.h>
29
30 static void set_filename(char *dest,const char *type, const char *name)
31 {
32 int len;
33 strcpy(dest,type);
34 len = strlen(dest);
35 dest[len] = ':';
36 strcpy(dest + len + 1,name);
37 }
38
39 /* This is ridiculously simple using ImageMagick. Without it, it would
40 be quite somewhat harder - it will be left for later on.
41 Note that we ignore any errors. Dangerous... */
42
43 static Image *get_paint_data_section(psiconv_paint_data_section sec)
44 {
45 Image *image;
46 float *pixel, *p, *red, *green, *blue;
47 int x,y;
48 ExceptionInfo exc;
49
50 GetExceptionInfo(&exc);
51 red = sec->red;
52 green = sec->green;
53 blue = sec->blue;
54 p = pixel = malloc(sec->xsize * sec->ysize * 3 * sizeof(float));
55 for (y = 0; y < sec->ysize; y++) {
56 for (x = 0; x < sec->xsize; x++) {
57 *p++ = *red++;
58 *p++ = *green++;
59 *p++ = *blue++;
60 }
61 }
62
63 image = ConstituteImage(sec->xsize,sec->ysize,"RGB",FloatPixel,pixel,&exc);
64 if (! image) {
65 MagickError(exc.severity,exc.message,exc.qualifier);
66 }
67 free(pixel);
68
69 return image;
70 }
71
72 #endif
73
74 static int psiconv_gen_image_clipart(const char *filename, psiconv_clipart_f f,
75 const char *dest)
76 {
77 #if IMAGEMAGICK
78 psiconv_clipart_section section;
79 MagickInfo *mi = GetMagickInfo(dest);
80 ImageInfo *image_info;
81 Image *image = NULL;
82 Image *last_image = NULL;
83 Image *this_image, *images;
84 ExceptionInfo exc;
85 int i;
86 unsigned int status;
87
88 if ((psiconv_list_length(f->sections) < 1) ||
89 ((psiconv_list_length(f->sections)) > 1 && ! (mi->adjoin)))
90 #endif
91 return -1;
92 #if IMAGEMAGICK
93 for (i = 0; i < psiconv_list_length(f->sections); i++) {
94 section = psiconv_list_get(f->sections,i);
95 this_image = get_paint_data_section(section->picture);
96 if (! image) {
97 image = this_image;
98 } else {
99 last_image->next=this_image;
100 this_image->previous=last_image;
101 }
102 last_image = this_image;
103 }
104
105 GetExceptionInfo(&exc);
106 image_info = CloneImageInfo(NULL);
107 set_filename(image->filename,dest,filename);
108 if (image->next)
109 images = CoalesceImages(image,&exc);
110 else
111 images = image;
112 if (! images)
113 CatchImageException(image);
114
115 status = WriteImage(image_info,images);
116 if (!status)
117 CatchImageException(images);
118 DestroyImageInfo(image_info);
119 if (image != images)
120 DestroyImages(image);
121 DestroyImages(images);
122 return 0;
123 #endif
124 }
125
126 static int psiconv_gen_image_mbm(const char *filename, psiconv_mbm_f f,
127 const char *dest)
128 {
129
130 #if IMAGEMAGICK
131 psiconv_paint_data_section section;
132 MagickInfo *mi = GetMagickInfo(dest);
133 ImageInfo *image_info;
134 Image *image = NULL;
135 Image *last_image = NULL;
136 Image *this_image, *images;
137 ExceptionInfo exc;
138 int i;
139 unsigned int status;
140
141 if ((psiconv_list_length(f->sections) < 1) ||
142 ((psiconv_list_length(f->sections)) > 1 && ! (mi->adjoin)))
143 #endif
144 return -1;
145 #if IMAGEMAGICK
146
147 for (i = 0; i < psiconv_list_length(f->sections); i++) {
148 section = psiconv_list_get(f->sections,i);
149 this_image = get_paint_data_section(section);
150 if (! image) {
151 image = this_image;
152 } else {
153 last_image->next=this_image;
154 this_image->previous=last_image;
155 }
156 last_image = this_image;
157 }
158
159 GetExceptionInfo(&exc);
160 image_info = CloneImageInfo(NULL);
161 set_filename(image->filename,dest,filename);
162 if (image->next)
163 images = CoalesceImages(image,&exc);
164 else
165 images = image;
166 if (! images)
167 CatchImageException(image);
168
169 status = WriteImage(image_info,images);
170 if (!status)
171 CatchImageException(images);
172 DestroyImageInfo(image_info);
173 if (image != images)
174 DestroyImages(image);
175 DestroyImages(images);
176 return 0;
177 #endif
178 }
179
180 static void psiconv_gen_image_sketch(const char *filename, psiconv_sketch_f f,
181 const char *dest)
182 {
183 #if IMAGEMAGICK
184 ImageInfo *image_info;
185 Image *image;
186
187 image = get_paint_data_section(f->sketch_sec->picture);
188 image_info = CloneImageInfo(NULL);
189 set_filename(image->filename,dest,filename);
190 WriteImage(image_info,image);
191 DestroyImageInfo(image_info);
192 DestroyImage(image);
193 #endif
194 }
195
196 static int psiconv_gen_image(const char * filename, const psiconv_file file,
197 const char *dest)
198 {
199 if (file->type == psiconv_mbm_file)
200 psiconv_gen_image_mbm(filename,(psiconv_mbm_f) file->file,dest);
201 else if (file->type == psiconv_clipart_file)
202 psiconv_gen_image_clipart(filename,(psiconv_clipart_f) file->file,dest);
203 else if (file->type == psiconv_sketch_file) {
204 psiconv_gen_image_sketch(filename,(psiconv_sketch_f) file->file,dest);
205 } else
206 return -1;
207 return 0;
208 }
209
210 void init_image(void)
211 {
212 struct psiconv_fileformat_s ff;
213 #if IMAGEMAGICK
214 MagickInfo *mi;
215 ff.output = psiconv_gen_image;
216 for (mi = GetMagickFileList(); mi ; mi = mi->next) {
217 if (mi->encoder) {
218 ff.name = strdup(mi->tag);
219 ff.description = strdup(mi->description);
220 psiconv_list_add(fileformat_list,&ff);
221 }
222 }
223 #endif
224 }
225

frodo@frodo.looijaard.name
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