/[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 49 - (show annotations)
Fri Jul 14 20:44:40 2000 UTC (19 years, 6 months ago) by frodo
File MIME type: text/plain
File size: 4997 byte(s)
(Frodo) First stab at ImageMagick 5 support. Still problems with listing
        all filetypes, though.

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 "data.h"
22 #include "gen.h"
23 #include <string.h>
24 #include "psiconv.h"
25
26 #if IMAGEMAGICK
27 #include <magick/magick.h>
28
29 /* This is ridiculously simple using ImageMagick. Without it, it would
30 be quite somewhat harder - it will be left for later on.
31 Note that we ignore any errors. Dangerous... */
32
33 static Image *get_paint_data_section(psiconv_paint_data_section sec)
34 {
35 Image *image;
36 float *pixel, *p, *red, *green, *blue;
37 int x,y;
38 ExceptionInfo *exc;
39
40 GetExceptionInfo(exc);
41 red = sec->red;
42 green = sec->green;
43 blue = sec->blue;
44 p = pixel = malloc(sec->xsize * sec->ysize * 3 * sizeof(float));
45 for (y = 0; y < sec->ysize; y++) {
46 for (x = 0; x < sec->xsize; x++) {
47 *p++ = *red++;
48 *p++ = *green++;
49 *p++ = *blue++;
50 }
51 }
52 image = ConstituteImage(sec->xsize,sec->ysize,"RGB",FloatPixel,pixel,exc);
53 free(pixel);
54 DestroyExceptionInfo(exc);
55
56 return image;
57 }
58
59 #endif
60
61 static int psiconv_gen_image_clipart(FILE *of, psiconv_clipart_f f,
62 const char *dest)
63 {
64 #if IMAGEMAGICK
65 psiconv_clipart_section section;
66 MagickInfo *mi = GetMagickInfo(dest);
67 ImageInfo image_info;
68 Image *image = NULL;
69 Image *last_image = NULL;
70 Image *this_image;
71 int i;
72
73 if ((psiconv_list_length(f->sections) < 1) ||
74 ((psiconv_list_length(f->sections)) > 1 && ! (mi->adjoin)))
75 #endif
76 return -1;
77 #if IMAGEMAGICK
78 for (i = 0; i < psiconv_list_length(f->sections); i++) {
79 section = psiconv_list_get(f->sections,i);
80 this_image = get_paint_data_section(section->picture);
81 if (! image) {
82 image = this_image;
83 last_image = image;
84 } else {
85 last_image->next=this_image;
86 this_image->previous=last_image;
87 this_image->scene=i;
88 last_image=this_image;
89 }
90 }
91
92 GetImageInfo(&image_info);
93 image_info.file = of;
94 strcpy(image->magick, dest);
95 image_info.adjoin=1;
96 WriteImage(&image_info,image);
97 return 0;
98 #endif
99 }
100
101 static int psiconv_gen_image_mbm(FILE *of, psiconv_mbm_f f, const char *dest)
102 {
103 #if IMAGEMAGICK
104 psiconv_paint_data_section section;
105 MagickInfo *mi = GetMagickInfo(dest);
106 ImageInfo image_info;
107 Image *image = NULL;
108 Image *last_image = NULL;
109 Image *this_image;
110 int i;
111
112 if ((psiconv_list_length(f->sections) < 1) ||
113 ((psiconv_list_length(f->sections)) > 1 && ! (mi->adjoin)))
114 #endif
115 return -1;
116 #if IMAGEMAGICK
117 for (i = 0; i < psiconv_list_length(f->sections); i++) {
118 section = psiconv_list_get(f->sections,i);
119 this_image = get_paint_data_section(section);
120 if (! image) {
121 image = this_image;
122 last_image = image;
123 } else {
124 last_image->next=this_image;
125 this_image->previous=last_image;
126 this_image->scene=i;
127 last_image=this_image;
128 }
129 }
130
131 GetImageInfo(&image_info);
132 image_info.file = of;
133 strcpy(image->magick, dest);
134 image_info.adjoin=1;
135 WriteImage(&image_info,image);
136 return 0;
137 #endif
138 }
139
140 static void psiconv_gen_image_sketch(FILE *of, psiconv_sketch_f f,
141 const char *dest)
142 {
143 #if IMAGEMAGICK
144 ImageInfo image_info;
145 Image *image;
146
147 image = get_paint_data_section(f->sketch_sec->picture);
148 GetImageInfo(&image_info);
149 image_info.file = of;
150 strcpy(image->magick, dest);
151 WriteImage(&image_info,image);
152 #endif
153 }
154
155 static int psiconv_gen_image(FILE * of, const psiconv_file file,
156 const char *dest)
157 {
158 if (file->type == psiconv_mbm_file)
159 return psiconv_gen_image_mbm(of,(psiconv_mbm_f) file->file,dest);
160 if (file->type == psiconv_clipart_file)
161 return psiconv_gen_image_clipart(of,(psiconv_clipart_f) file->file,dest);
162 else if (file->type == psiconv_sketch_file) {
163 psiconv_gen_image_sketch(of,(psiconv_sketch_f) file->file,dest);
164 return 0;
165 } else
166 return -1;
167 }
168
169 void init_image(void)
170 {
171 struct psiconv_fileformat ff;
172 #if IMAGEMAGICK
173 MagickInfo *mi;
174 ff.output = psiconv_gen_image;
175 for (mi = GetMagickInfo(NULL); mi ; mi = mi->next) {
176 if (mi->encoder) {
177 ff.name = strdup(mi->tag);
178 ff.description = strdup(mi->description);
179 psiconv_list_add(fileformat_list,&ff);
180 }
181 }
182 #endif
183 }
184

frodo@frodo.looijaard.name
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