/[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 52 - (show annotations)
Wed Oct 4 19:02:04 2000 UTC (19 years, 7 months ago) by frodo
File MIME type: text/plain
File size: 5021 byte(s)
(Frodo) Now finally ImageMagick 5 works correctly.

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

frodo@frodo.looijaard.name
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