Mercurial > fife-parpg

comparison ext/guichan-0.8.2/src/openlayer/openlayerimage.cpp @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
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377:fe6fb0e0ed23 378:64738befdf3b
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 }