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

Revision 1464:3f6711617be1, 4.8 KB checked in by niam, 22 months ago (diff)

{issue #58[resolved]} support for non-c++ exceptions
Line 
1/***************************************************************************
2 *            graphicsTransform.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/graphicsTransform.h>
43#include <libdodo/graphicsImage.h>
44#include <libdodo/graphicsTransformEx.h>
45
46using namespace dodo::graphics;
47
48//-------------------------------------------------------------------
49
50void
51transform::scale(image         &image,
52                 unsigned long width,
53                 unsigned long height)
54{
55    if (image.collectedData.handle->im == NULL)
56        dodo_throw exception::basic(exception::MODULE_GRAPHICSTRANSFORM, TRANSFORMEX_SCALE, exception::ERRNO_IMAGEMAGICK, TRANSFORMEX_EMPTYIMAGE, GRAPHICSTRANSFORMEX_EMPTYIMAGE_STR, __LINE__, __FILE__);
57
58    GetExceptionInfo((ExceptionInfo *)image.exInfo);
59
60    Image *im = ScaleImage(image.collectedData.handle->im, width, height, (ExceptionInfo *)image.exInfo);
61    if (im == NULL)
62        dodo_throw exception::basic(exception::MODULE_GRAPHICSTRANSFORM, TRANSFORMEX_SCALE, exception::ERRNO_IMAGEMAGICK, ((ExceptionInfo *)image.exInfo)->error_number, ((ExceptionInfo *)image.exInfo)->reason, __LINE__, __FILE__, ((ExceptionInfo *)image.exInfo)->description ? ((ExceptionInfo *)image.exInfo)->description : __dodostring__);
63
64    DestroyImage(image.collectedData.handle->im);
65
66    image.collectedData.handle->im = im;
67}
68
69//-------------------------------------------------------------------
70
71void
72transform::scale(image         &image,
73                 unsigned long size)
74{
75    if (image.collectedData.handle->im == NULL)
76        dodo_throw exception::basic(exception::MODULE_GRAPHICSTRANSFORM, TRANSFORMEX_SCALE, exception::ERRNO_IMAGEMAGICK, TRANSFORMEX_EMPTYIMAGE, GRAPHICSTRANSFORMEX_EMPTYIMAGE_STR, __LINE__, __FILE__);
77
78    float mult = (float)size / (float)((image.collectedData.handle->im->columns > image.collectedData.handle->im->rows) ? image.collectedData.handle->im->columns : image.collectedData.handle->im->rows);
79
80    GetExceptionInfo((ExceptionInfo *)image.exInfo);
81
82    Image *im = ScaleImage(image.collectedData.handle->im, (unsigned long)floor(image.collectedData.handle->im->columns * mult), (unsigned long)floor(image.collectedData.handle->im->rows * mult), (ExceptionInfo *)image.exInfo);
83    if (im == NULL)
84        dodo_throw exception::basic(exception::MODULE_GRAPHICSTRANSFORM, TRANSFORMEX_SCALE, exception::ERRNO_IMAGEMAGICK, ((ExceptionInfo *)image.exInfo)->error_number, ((ExceptionInfo *)image.exInfo)->reason, __LINE__, __FILE__, ((ExceptionInfo *)image.exInfo)->description ? ((ExceptionInfo *)image.exInfo)->description : __dodostring__);
85
86    DestroyImage(image.collectedData.handle->im);
87
88    image.collectedData.handle->im = im;
89}
90
91//-------------------------------------------------------------------
92
93void
94transform::rotate(image  &image,
95                  double angle)
96{
97    if (image.collectedData.handle->im == NULL)
98        dodo_throw exception::basic(exception::MODULE_GRAPHICSTRANSFORM, TRANSFORMEX_ROTATE, exception::ERRNO_IMAGEMAGICK, TRANSFORMEX_EMPTYIMAGE, GRAPHICSTRANSFORMEX_EMPTYIMAGE_STR, __LINE__, __FILE__);
99
100    GetExceptionInfo((ExceptionInfo *)image.exInfo);
101
102    Image *im = RotateImage(image.collectedData.handle->im, angle, (ExceptionInfo *)image.exInfo);
103    if (im == NULL)
104        dodo_throw exception::basic(exception::MODULE_GRAPHICSTRANSFORM, TRANSFORMEX_ROTATE, exception::ERRNO_IMAGEMAGICK, ((ExceptionInfo *)image.exInfo)->error_number, ((ExceptionInfo *)image.exInfo)->reason, __LINE__, __FILE__, ((ExceptionInfo *)image.exInfo)->description ? ((ExceptionInfo *)image.exInfo)->description : __dodostring__);
105
106    DestroyImage(image.collectedData.handle->im);
107
108    image.collectedData.handle->im = im;
109}
110#endif
111
112//-------------------------------------------------------------------
113
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