source: sources/src/graphicsDraw.cc @ 1464:3f6711617be1

Revision 1464:3f6711617be1, 10.4 KB checked in by niam, 22 months ago (diff)

{issue #58[resolved]} support for non-c++ exceptions
Line 
1/***************************************************************************
2 *            graphicsDraw.cc
3 *
4 *  Thu Nov 23 2007
5 *  Copyright  2007  Dmytro Milinevskyy
6 *  milinevskyy@gmail.com
7 ****************************************************************************/
8
9/*
10 *  This program is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU Lesser General Public License version 2.1 as published by
12 *  the Free Software Foundation;
13 *
14 *  This program is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU Library General Public License for more details.
18 *
19 *  You should have received a copy of the GNU Lesser General Public License
20 *  along with this program; if not, write to the Free Software
21 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 */
23
24/**
25 * vim indentation settings
26 * set tabstop=4
27 * set shiftwidth=4
28 */
29
30#include <libdodo/directives.h>
31
32#ifdef IMAGEMAGICK_EXT
33#ifndef IMAGEMAGICK_PRE_63
34#include <magick/MagickCore.h>
35#else
36#include <magick/ImageMagick.h>
37#endif
38#include <math.h>
39
40#include "graphicsImage.inline"
41
42#include <libdodo/graphicsDraw.h>
43#include <libdodo/types.h>
44#include <libdodo/graphicsImage.h>
45#include <libdodo/graphicsColor.h>
46#include <libdodo/graphicsDrawEx.h>
47
48using namespace dodo::graphics;
49
50point::point(unsigned long x, unsigned long y) : x(x),
51                                                 y(y)
52{
53}
54
55//-------------------------------------------------------------------
56
57void
58draw::primitive(graphics::image &image,
59                char            *description,
60                const __color__ &fillColor,
61                const __color__ &borderColor,
62                unsigned short  borderWidth)
63{
64    if (image.collectedData.handle->im == NULL)
65        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_PRIMITIVE, exception::ERRNO_IMAGEMAGICK, DRAWEX_EMPTYIMAGE, GRAPHICSDRAWEX_EMPTYIMAGE_STR, __LINE__, __FILE__);
66
67#ifndef IMAGEMAGICK_PRE_63
68    DrawInfo *di = AcquireDrawInfo();
69#else
70    DrawInfo *di = CloneDrawInfo(image.collectedData.handle->imInfo, NULL);
71#endif
72
73    di->primitive = description;
74
75    di->stroke.red = borderColor.red;
76    di->stroke.green = borderColor.green;
77    di->stroke.blue = borderColor.blue;
78    di->stroke.opacity = borderColor.opacity;
79
80    di->stroke_width = borderWidth;
81
82    di->fill.red = fillColor.red;
83    di->fill.green = fillColor.green;
84    di->fill.blue = fillColor.blue;
85    di->fill.opacity = fillColor.opacity;
86
87    if (DrawImage(image.collectedData.handle->im, di) == MagickFalse) {
88        di->primitive = NULL;
89        DestroyDrawInfo(di);
90
91        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_PRIMITIVE, exception::ERRNO_IMAGEMAGICK, DRAWEX_CANNOTDRAWPRIMITIVE, GRAPHICSDRAWEX_CANNOTDRAWPRIMITIVE_STR, __LINE__, __FILE__);
92    }
93
94    di->primitive = NULL;
95    DestroyDrawInfo(di);
96}
97
98//-------------------------------------------------------------------
99
100void
101draw::circle(graphics::image       &image,
102             const graphics::point &center,
103             unsigned long         radius,
104             const __color__       &fillColor,
105             const __color__       &borderColor,
106             unsigned short        borderWidth)
107{
108    char description[128];
109    snprintf(description, 128, "circle %ld,%ld %ld,%ld", center.x, center.y, center.x + radius, center.y);
110
111    primitive(image, description, fillColor, borderColor, borderWidth);
112}
113
114//-------------------------------------------------------------------
115
116void
117draw::line(graphics::image                  &image,
118           const dodoArray<graphics::point> &points,
119           const __color__                  &lineColor,
120           unsigned short                   lineWidth)
121{
122    char pointDesc[128];
123
124    dodo::string description = "polyline";
125
126    dodoArray<graphics::point>::const_iterator i = points.begin(), j = points.end();
127    for (; i != j; ++i) {
128        snprintf(pointDesc, 128, " %ld,%ld", i->x, i->y);
129
130        description += pointDesc;
131    }
132
133    primitive(image, (char *)description.data(), color::transparent, lineColor, lineWidth);
134}
135
136//-------------------------------------------------------------------
137
138void
139draw::rectangle(graphics::image       &image,
140                const graphics::point &tl,
141                const graphics::point &br,
142                const __color__       &fillColor,
143                const __color__       &borderColor,
144                unsigned short        borderWidth)
145{
146    char description[128];
147    snprintf(description, 128, "rectangle %ld,%ld %ld,%ld", tl.x, tl.y, br.x, br.y);
148
149    primitive(image, description, fillColor, borderColor, borderWidth);
150}
151
152//-------------------------------------------------------------------
153
154void
155draw::text(graphics::image       &image,
156           const graphics::point &position,
157           const dodo::string      &text,
158           const dodo::string      &font,
159           unsigned short        fontWidth,
160           const __color__       &fillColor,
161           const __color__       &borderColor,
162           unsigned short        borderWidth,
163           double                angle)
164{
165    if (image.collectedData.handle->im == NULL)
166        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_TEXT, exception::ERRNO_IMAGEMAGICK, DRAWEX_EMPTYIMAGE, GRAPHICSDRAWEX_EMPTYIMAGE_STR, __LINE__, __FILE__);
167
168    dodo::string txt = "text 0,0 \"";
169    txt += text;
170    txt += "\"";
171
172#ifndef IMAGEMAGICK_PRE_63
173    DrawInfo *di = AcquireDrawInfo();
174#else
175    DrawInfo *di = CloneDrawInfo(image.collectedData.handle->imInfo, NULL);
176#endif
177
178    double radians = angle * M_PI / 180;
179    double _cos = cos(radians);
180    double _sin = sin(radians);
181
182    AffineMatrix affine;
183
184    affine.sx = _cos;
185    affine.rx = _sin;
186    affine.ry = -1 * _sin;
187    affine.sy = _cos;
188    affine.tx = position.x;
189    affine.ty = position.y;
190
191    AffineMatrix current = di->affine;
192
193    di->affine.sx = current.sx * affine.sx + current.ry * affine.rx;
194    di->affine.rx = current.rx * affine.sx + current.sy * affine.rx;
195
196    di->affine.ry = current.sx * affine.ry + current.ry * affine.sy;
197    di->affine.sy = current.rx * affine.ry + current.sy * affine.sy;
198
199    di->affine.tx = current.sx * affine.tx + current.ry * affine.ty + current.tx;
200    di->affine.ty = current.rx * affine.tx + current.sy * affine.ty + current.ty;
201
202    di->primitive = (char *)txt.data();
203
204    di->font = (char *)font.data();
205    di->pointsize = fontWidth;
206
207    di->stroke.red = borderColor.red;
208    di->stroke.green = borderColor.green;
209    di->stroke.blue = borderColor.blue;
210    di->stroke.opacity = borderColor.opacity;
211
212    di->stroke_width = borderWidth;
213
214    di->fill.red = fillColor.red;
215    di->fill.green = fillColor.green;
216    di->fill.blue = fillColor.blue;
217    di->fill.opacity = fillColor.opacity;
218
219    if (DrawImage(image.collectedData.handle->im, di) == MagickFalse) {
220        di->primitive = NULL;
221        di->font = NULL;
222        DestroyDrawInfo(di);
223
224        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_TEXT, exception::ERRNO_IMAGEMAGICK, DRAWEX_CANNOTDRAWPRIMITIVE, GRAPHICSDRAWEX_CANNOTDRAWPRIMITIVE_STR, __LINE__, __FILE__);
225    }
226
227    di->primitive = NULL;
228    di->font = NULL;
229    DestroyDrawInfo(di);
230}
231
232//-------------------------------------------------------------------
233
234void
235draw::image(graphics::image       &image,
236            const graphics::point &position,
237            const graphics::image &a_im,
238            double                angle)
239{
240    if (image.collectedData.handle->im == NULL)
241        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_IMAGE, exception::ERRNO_IMAGEMAGICK, DRAWEX_EMPTYIMAGE, GRAPHICSDRAWEX_EMPTYIMAGE_STR, __LINE__, __FILE__);
242
243    AffineMatrix current;
244    GetAffineMatrix(&current);
245
246    double radians = angle * M_PI / 180;
247    double _cos = cos(radians);
248    double _sin = sin(radians);
249
250    AffineMatrix affine;
251
252    affine.sx = _cos;
253    affine.rx = _sin;
254    affine.ry = -1 * _sin;
255    affine.sy = _cos;
256    affine.tx = position.x;
257    affine.ty = position.y;
258
259    AffineMatrix _current = current;
260
261    current.sx = _current.sx * affine.sx + _current.ry * affine.rx;
262    current.rx = _current.rx * affine.sx + _current.sy * affine.rx;
263
264    current.ry = _current.sx * affine.ry + _current.ry * affine.sy;
265    current.sy = _current.rx * affine.ry + _current.sy * affine.sy;
266
267    current.tx = _current.sx * affine.tx + _current.ry * affine.ty + _current.tx;
268    current.ty = _current.rx * affine.tx + _current.sy * affine.ty + _current.ty;
269
270    if (DrawAffineImage(image.collectedData.handle->im, a_im.collectedData.handle->im, &current) == MagickFalse)
271        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_IMAGE, exception::ERRNO_IMAGEMAGICK, DRAWEX_CANNOTDRAWPRIMITIVE, GRAPHICSDRAWEX_CANNOTDRAWPRIMITIVE_STR, __LINE__, __FILE__);
272}
273
274//-------------------------------------------------------------------
275
276void
277draw::point(graphics::image       &image,
278            const graphics::point &position,
279            const __color__       &pointColor,
280            unsigned short        pointWidth)
281{
282    if (image.collectedData.handle->im == NULL)
283        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_POINT, exception::ERRNO_IMAGEMAGICK, DRAWEX_EMPTYIMAGE, GRAPHICSDRAWEX_EMPTYIMAGE_STR, __LINE__, __FILE__);
284
285    char description[128];
286
287    if (pointWidth == 1)
288        snprintf(description, 128, "point %ld,%ld", position.x, position.y);
289    else
290        snprintf(description, 128, "circle %ld,%ld %ld,%ld", position.x, position.y, position.x + pointWidth, position.y);
291
292#ifndef IMAGEMAGICK_PRE_63
293    DrawInfo *di = AcquireDrawInfo();
294#else
295    DrawInfo *di = CloneDrawInfo(image.collectedData.handle->imInfo, NULL);
296#endif
297
298    di->primitive = description;
299
300    di->fill.red = pointColor.red;
301    di->fill.green = pointColor.green;
302    di->fill.blue = pointColor.blue;
303    di->fill.opacity = pointColor.opacity;
304
305    if (DrawImage(image.collectedData.handle->im, di) == MagickFalse) {
306        di->primitive = NULL;
307        DestroyDrawInfo(di);
308
309        dodo_throw exception::basic(exception::MODULE_GRAPHICSDRAW, DRAWEX_POINT, exception::ERRNO_IMAGEMAGICK, DRAWEX_CANNOTDRAWPRIMITIVE, GRAPHICSDRAWEX_CANNOTDRAWPRIMITIVE_STR, __LINE__, __FILE__);
310    }
311
312    di->primitive = NULL;
313    DestroyDrawInfo(di);
314}
315#endif
316
317//-------------------------------------------------------------------
318
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