1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
|
/* $Id$ $Revision$ */
/* vim:set shiftwidth=4 ts=8: */
/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: See CVS logs. Details at http://www.graphviz.org/
*************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#ifdef HAVE_PANGOCAIRO
#include <cairo.h>
#endif
#include "gvplugin_loadimage.h"
#include "gvio.h"
#ifdef HAVE_LIBGD
#include "gd.h"
typedef enum {
FORMAT_PNG_GD, FORMAT_GIF_GD, FORMAT_JPG_GD, FORMAT_GD_GD, FORMAT_GD2_GD, FORMAT_XPM_GD, FORMAT_WBMP_GD, FORMAT_XBM_GD,
FORMAT_PNG_PS, FORMAT_GIF_PS, FORMAT_JPG_PS, FORMAT_GD_PS, FORMAT_GD2_PS, FORMAT_XPM_PS, FORMAT_WBMP_PS, FORMAT_XBM_PS,
FORMAT_PNG_CAIRO, FORMAT_GIF_CAIRO, FORMAT_JPG_CAIRO, FORMAT_GD_CAIRO, FORMAT_GD2_CAIRO, FORMAT_XPM_CAIRO, FORMAT_WBMP_CAIRO, FORMAT_XBM_CAIRO,
} format_type;
static void gd_freeimage(usershape_t *us)
{
gdImageDestroy((gdImagePtr)us->data);
}
static gdImagePtr gd_loadimage(GVJ_t * job, usershape_t *us)
{
assert(job);
assert(us);
assert(us->name);
if (us->data) {
if (us->datafree != gd_freeimage) {
us->datafree(us); /* free incompatible cache data */
us->data = NULL;
us->datafree = NULL;
}
}
if (!us->data) { /* read file into cache */
if (!gvusershape_file_access(us))
return NULL;
switch (us->type) {
#if 0
case FT_GD:
im = gdImageCreateFromGd(us->f);
break;
case FT_GD2:
im = gdImageCreateFromGd2(us->f);
break;
#endif
#ifdef HAVE_GD_PNG
case FT_PNG:
us->data = (void*)gdImageCreateFromPng(us->f);
break;
#endif
#ifdef HAVE_GD_GIF
case FT_GIF:
us->data = (void*)gdImageCreateFromGif(us->f);
break;
#endif
#ifdef HAVE_GD_JPEG
case FT_JPEG:
us->data = (void*)gdImageCreateFromJpeg(us->f);
break;
#endif
#if 0
#ifdef HAVE_GD_XPM
case FT_XPM:
us->data = (void*)gdImageCreateFromXpm(us->f);
break;
#endif
#ifdef HAVE_GD_WBMP
case FT_WBMP:
us->data = (void*)gdImageCreateFromWbmp(us->f);
break;
#endif
#endif
default:
break;
}
if (us->data)
us->datafree = gd_freeimage;
gvusershape_file_release(us);
}
return (gdImagePtr)(us->data);
}
static gdImagePtr gd_rotateimage(gdImagePtr im, int rotation)
{
gdImagePtr im2 = gdImageCreate(im->sy, im->sx);
gdImageCopyRotated(im2, im, im2->sx / 2., im2->sy / 2.,
0, 0, im->sx, im->sy, rotation);
gdImageDestroy(im);
return im2;
}
static void gd_loadimage_gd(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
gdImagePtr im2, im = (gdImagePtr) job->context;
if ((im2 = gd_loadimage(job, us))) {
if (job->rotation)
im2 = gd_rotateimage(im2, job->rotation);
gdImageCopyResized(im, im2, ROUND(b.LL.x), ROUND(b.LL.y), 0, 0,
ROUND(b.UR.x - b.LL.x), ROUND(b.UR.y - b.LL.y), im2->sx, im2->sy);
}
}
#ifdef HAVE_PANGOCAIRO
static void gd_loadimage_cairo(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
cairo_t *cr = (cairo_t *) job->context; /* target context */
unsigned int x, y, stride, width, height, px;
unsigned char *data;
cairo_surface_t *surface; /* source surface */
gdImagePtr im;
if ((im = gd_loadimage(job, us))) {
width = im->sx;
height = im->sy;
// cairo_format_stride_for_width() not available prior to cairo-1.6.4 or so (fc9)
//stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32, width);
stride = width*4;
data = malloc (stride * height);
surface = cairo_image_surface_create_for_data (data, CAIRO_FORMAT_ARGB32,
width, height, stride);
if (im->trueColor) {
if (im->saveAlphaFlag) {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
px = gdImageTrueColorPixel(im, x, y);
*data++ = gdTrueColorGetBlue(px);
*data++ = gdTrueColorGetGreen(px);
*data++ = gdTrueColorGetRed(px);
*data++ = (0x7F-gdTrueColorGetAlpha(px)) << 1;
}
}
}
else {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
px = gdImageTrueColorPixel(im, x, y);
*data++ = gdTrueColorGetBlue(px);
*data++ = gdTrueColorGetGreen(px);
*data++ = gdTrueColorGetRed(px);
*data++ = 0xFF;
}
}
}
}
else {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
px = gdImagePalettePixel(im, x, y);
*data++ = im->blue[px];
*data++ = im->green[px];
*data++ = im->red[px];
*data++ = (px==im->transparent)?0x00:0xff;
}
}
}
cairo_save(cr);
cairo_translate(cr, b.LL.x, -b.UR.y);
cairo_scale(cr, (b.UR.x - b.LL.x)/(us->w), (b.UR.y - b.LL.y)/(us->h));
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
cairo_restore(cr);
cairo_surface_destroy(surface);
}
}
#endif
static void gd_loadimage_ps(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
gdImagePtr im = NULL;
int X, Y, x, y, px;
if ((im = gd_loadimage(job, us))) {
X = im->sx;
Y = im->sy;
gvputs(job, "save\n");
/* define image data as string array (one per raster line) */
gvputs(job, "/myctr 0 def\n");
gvputs(job, "/myarray [\n");
if (im->trueColor) {
for (y = 0; y < Y; y++) {
gvputs(job, "<");
for (x = 0; x < X; x++) {
px = gdImageTrueColorPixel(im, x, y);
gvprintf(job, "%02x%02x%02x",
gdTrueColorGetRed(px),
gdTrueColorGetGreen(px),
gdTrueColorGetBlue(px));
}
gvputs(job, ">\n");
}
}
else {
for (y = 0; y < Y; y++) {
gvputs(job, "<");
for (x = 0; x < X; x++) {
px = gdImagePalettePixel(im, x, y);
gvprintf(job, "%02x%02x%02x",
im->red[px],
im->green[px],
im->blue[px]);
}
gvputs(job, ">\n");
}
}
gvputs(job, "] def\n");
gvputs(job,"/myproc { myarray myctr get /myctr myctr 1 add def } def\n");
/* this sets the position of the image */
gvprintf(job, "%g %g translate\n",
(b.LL.x + (b.UR.x - b.LL.x) * (1. - (job->dpi.x) / 96.) / 2.),
(b.LL.y + (b.UR.y - b.LL.y) * (1. - (job->dpi.y) / 96.) / 2.));
/* this sets the rendered size to fit the box */
gvprintf(job,"%g %g scale\n",
((b.UR.x - b.LL.x) * (job->dpi.x) / 96.),
((b.UR.y - b.LL.y) * (job->dpi.y) / 96.));
/* xsize ysize bits-per-sample [matrix] */
gvprintf(job, "%d %d 8 [%d 0 0 %d 0 %d]\n", X, Y, X, -Y, Y);
gvputs(job, "{myproc} false 3 colorimage\n");
gvputs(job, "restore\n");
}
}
static gvloadimage_engine_t engine = {
gd_loadimage_gd
};
static gvloadimage_engine_t engine_ps = {
gd_loadimage_ps
};
#ifdef HAVE_PANGOCAIRO
static gvloadimage_engine_t engine_cairo = {
gd_loadimage_cairo
};
#endif
#endif
gvplugin_installed_t gvloadimage_gd_types[] = {
#ifdef HAVE_LIBGD
{FORMAT_GD_GD, "gd:gd", 1, &engine, NULL},
{FORMAT_GD2_GD, "gd2:gd", 1, &engine, NULL},
#ifdef HAVE_GD_GIF
{FORMAT_GIF_GD, "gif:gd", 1, &engine, NULL},
#endif
#ifdef HAVE_GD_JPEG
{FORMAT_JPG_GD, "jpeg:gd", 1, &engine, NULL},
{FORMAT_JPG_GD, "jpe:gd", 1, &engine, NULL},
{FORMAT_JPG_GD, "jpg:gd", 1, &engine, NULL},
#endif
#ifdef HAVE_GD_PNG
{FORMAT_PNG_GD, "png:gd", 1, &engine, NULL},
#endif
#ifdef HAVE_GD_WBMP
{FORMAT_WBMP_GD, "wbmp:gd", 1, &engine, NULL},
#endif
#ifdef HAVE_GD_XPM
{FORMAT_XBM_GD, "xbm:gd", 1, &engine, NULL},
#endif
{FORMAT_GD_PS, "gd:ps", 1, &engine_ps, NULL},
{FORMAT_GD_PS, "gd:lasi", 1, &engine_ps, NULL},
{FORMAT_GD2_PS, "gd2:ps", 1, &engine_ps, NULL},
{FORMAT_GD2_PS, "gd2:lasi", 1, &engine_ps, NULL},
#ifdef HAVE_GD_GIF
{FORMAT_GIF_PS, "gif:ps", 1, &engine_ps, NULL},
{FORMAT_GIF_PS, "gif:lasi", 1, &engine_ps, NULL},
#endif
#ifdef HAVE_GD_JPEG
{FORMAT_JPG_PS, "jpeg:ps", 1, &engine_ps, NULL},
{FORMAT_JPG_PS, "jpg:ps", 1, &engine_ps, NULL},
{FORMAT_JPG_PS, "jpe:ps", 1, &engine_ps, NULL},
{FORMAT_JPG_PS, "jpeg:lasi", 1, &engine_ps, NULL},
{FORMAT_JPG_PS, "jpg:lasi", 1, &engine_ps, NULL},
{FORMAT_JPG_PS, "jpe:lasi", 1, &engine_ps, NULL},
#endif
#ifdef HAVE_GD_PNG
{FORMAT_PNG_PS, "png:ps", 1, &engine_ps, NULL},
{FORMAT_PNG_PS, "png:lasi", 1, &engine_ps, NULL},
#endif
#ifdef HAVE_GD_WBMP
{FORMAT_WBMP_PS, "wbmp:ps", 1, &engine_ps, NULL},
{FORMAT_WBMP_PS, "wbmp:lasi", 1, &engine_ps, NULL},
#endif
#ifdef HAVE_GD_XPM
{FORMAT_XBM_PS, "xbm:ps", 1, &engine_ps, NULL},
{FORMAT_XBM_PS, "xbm:lasi", 1, &engine_ps, NULL},
#endif
#ifdef HAVE_PANGOCAIRO
{FORMAT_GD_CAIRO, "gd:cairo", 1, &engine_cairo, NULL},
{FORMAT_GD2_CAIRO, "gd2:cairo", 1, &engine_cairo, NULL},
#ifdef HAVE_GD_GIF
{FORMAT_GIF_CAIRO, "gif:cairo", 1, &engine_cairo, NULL},
#endif
#ifdef HAVE_GD_JPEG
{FORMAT_JPG_CAIRO, "jpeg:cairo", 1, &engine_cairo, NULL},
{FORMAT_JPG_CAIRO, "jpg:cairo", 1, &engine_cairo, NULL},
{FORMAT_JPG_CAIRO, "jpe:cairo", 1, &engine_cairo, NULL},
#endif
#ifdef HAVE_GD_PNG
{FORMAT_PNG_CAIRO, "png:cairo", -1, &engine_cairo, NULL},
#endif
#ifdef HAVE_GD_WBMP
{FORMAT_WBMP_CAIRO, "wbmp:cairo", 1, &engine_cairo, NULL},
#endif
#ifdef HAVE_GD_XPM
{FORMAT_XBM_CAIRO, "xbm:cairo", 1, &engine_cairo, NULL},
#endif
#endif /* HAVE_PANGOCAIRO */
#endif /* HAVE_LIBGD */
{0, NULL, 0, NULL, NULL}
};
|
