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comparison ext/guichan-0.8.1/src/allegro/allegroimage.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/allegro/allegroimage.hpp"
49
50 #include "guichan/exception.hpp"
51
52 namespace gcn
53 {
54 AllegroImage::AllegroImage(BITMAP* bitmap, bool autoFree)
55 {
56 mAutoFree = autoFree;
57 mBitmap = bitmap;
58 }
59
60 AllegroImage::~AllegroImage()
61 {
62 if (mAutoFree)
63 {
64 free();
65 }
66 }
67
68 BITMAP* AllegroImage::getBitmap() const
69 {
70 return mBitmap;
71 }
72
73 void AllegroImage::free()
74 {
75 destroy_bitmap(mBitmap);
76 }
77
78 int AllegroImage::getWidth() const
79 {
80 if (mBitmap == NULL)
81 {
82 throw GCN_EXCEPTION("Trying to get the width of a non loaded image.");
83 }
84
85 return mBitmap->w;
86 }
87
88 int AllegroImage::getHeight() const
89 {
90 if (mBitmap == NULL)
91 {
92 GCN_EXCEPTION("Trying to get the height of a non loaded image.");
93 }
94
95 return mBitmap->h;
96 }
97
98 Color AllegroImage::getPixel(int x, int y)
99 {
100 if (mBitmap == NULL)
101 {
102 throw GCN_EXCEPTION("Trying to get a pixel from a non loaded image.");
103 }
104
105 int c = getpixel(mBitmap, x, y);
106
107 return Color(getr32(c), getg32(c), getb32(c), geta(32));
108 }
109
110 void AllegroImage::putPixel(int x, int y, const Color& color)
111 {
112 if (mBitmap == NULL)
113 {
114 throw GCN_EXCEPTION("Trying to put a pixel in a non loaded image.");
115 }
116
117 int c = makeacol_depth(32, color.r, color.g, color.b, color.a);
118
119 putpixel(mBitmap, x, y, c);
120 }
121
122 void AllegroImage::convertToDisplayFormat()
123 {
124 if (mBitmap == NULL)
125 {
126 GCN_EXCEPTION("Trying to convert a non loaded image to display format.");
127 }
128
129 BITMAP *bmp = create_bitmap(mBitmap->w, mBitmap->h);
130
131 blit(mBitmap, bmp, 0, 0, 0, 0, bmp->w, bmp->h);
132
133 destroy_bitmap(mBitmap);
134
135 mBitmap = bmp;
136 }
137 }