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comparison ext/guichan-0.8.1/src/openlayer/openlayerimage.cpp @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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-1:000000000000 0:4a0efb7baf70
1 /* _______ __ __ __ ______ __ __ _______ __ __
2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
8 *
9 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
10 *
11 *
12 * Per Larsson a.k.a finalman
13 * Olof Naessén a.k.a jansem/yakslem
14 *
15 * Visit: http://guichan.sourceforge.net
16 *
17 * License: (BSD)
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in
25 * the documentation and/or other materials provided with the
26 * distribution.
27 * 3. Neither the name of Guichan nor the names of its contributors may
28 * be used to endorse or promote products derived from this software
29 * without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
37 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
38 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 /*
45 * For comments regarding functions please see the header file.
46 */
47
48 #include "guichan/openlayer/openlayerimage.hpp"
49
50 #include "guichan/exception.hpp"
51
52 namespace gcn
53 {
54 OpenLayerImage::OpenLayerImage(BITMAP* allegroBitmap, bool autoFree)
55 : mOpenLayerBitmap(NULL),
56 mAllegroBitmap(allegroBitmap),
57 mAutoFree(autoFree)
58
59 {
60 if (mAllegroBitmap == NULL)
61 {
62 throw GCN_EXCEPTION(std::string("Unable to load bitmap."));
63 }
64 }
65
66 OpenLayerImage::~OpenLayerImage()
67 {
68 if (mAutoFree)
69 {
70 free();
71 }
72 }
73
74 ol::Bitmap* OpenLayerImage::getBitmap() const
75 {
76 return mOpenLayerBitmap;
77 }
78
79 void OpenLayerImage::free()
80 {
81 if (mOpenLayerBitmap != NULL)
82 {
83 delete mOpenLayerBitmap;
84 mOpenLayerBitmap = NULL;
85 }
86
87 if (mAllegroBitmap != NULL)
88 {
89 destroy_bitmap(mAllegroBitmap);
90 mAllegroBitmap = NULL;
91 }
92 }
93
94 int OpenLayerImage::getWidth() const
95 {
96 if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
97 {
98 throw GCN_EXCEPTION("Trying to get the width of a non loaded image.");
99 }
100
101 if (mOpenLayerBitmap == NULL)
102 {
103 return mAllegroBitmap->w;
104 }
105
106 return mOpenLayerBitmap->Width();
107 }
108
109 int OpenLayerImage::getHeight() const
110 {
111 if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
112 {
113 throw GCN_EXCEPTION("Trying to get the height of a non loaded image.");
114 }
115
116 if (mOpenLayerBitmap == NULL)
117 {
118 return mAllegroBitmap->h;
119 }
120
121 return mOpenLayerBitmap->Height();
122 }
123
124 Color OpenLayerImage::getPixel(int x, int y)
125 {
126 if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
127 {
128 throw GCN_EXCEPTION("Trying to get a pixel from a non loaded image.");
129 }
130
131 if (mOpenLayerBitmap == NULL)
132 {
133 int color = getpixel(mAllegroBitmap, x, y);
134 return Color(getr(color), getg(color), getb(color), 255);
135 }
136
137 return Color(mOpenLayerBitmap->GetPixelPacked(x, y));
138
139 }
140
141 void OpenLayerImage::putPixel(int x, int y, const Color& color)
142 {
143 if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
144 {
145 throw GCN_EXCEPTION("Trying to put a pixel in a non loaded image.");
146 }
147
148 if (mAllegroBitmap == NULL)
149 {
150 return;
151 }
152
153 int c = makeacol_depth(32, color.r, color.g, color.b, color.a);
154
155 putpixel(mAllegroBitmap, x, y, c);
156 }
157
158 void OpenLayerImage::convertToDisplayFormat()
159 {
160 if (mAllegroBitmap == NULL)
161 {
162 throw GCN_EXCEPTION("Trying to convert a non loaded image to display format.");
163 }
164
165 if (mOpenLayerBitmap != NULL)
166 {
167 throw GCN_EXCEPTION("Trying to convert an image to display format which has already been converted.");
168 }
169
170 mOpenLayerBitmap = new ol::Bitmap(mAllegroBitmap, false, true);
171 mOpenLayerBitmap->SendToGPU();
172
173 destroy_bitmap(mAllegroBitmap);
174 mAllegroBitmap = NULL;
175 }
176 }