Mercurial > fife-parpg

comparison ext/guichan-0.8.2/src/allegro/allegroimage.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/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 if (mBitmap)
76 {
77 destroy_bitmap(mBitmap);
78 mBitmap = 0;
79 }
80 }
81
82 int AllegroImage::getWidth() const
83 {
84 if (!mBitmap)
85 {
86 throw GCN_EXCEPTION("Trying to get the width of a non loaded image.");
87 }
88
89 return mBitmap->w;
90 }
91
92 int AllegroImage::getHeight() const
93 {
94 if (!mBitmap)
95 {
96 GCN_EXCEPTION("Trying to get the height of a non loaded image.");
97 }
98
99 return mBitmap->h;
100 }
101
102 Color AllegroImage::getPixel(int x, int y)
103 {
104 if (!mBitmap)
105 {
106 throw GCN_EXCEPTION("Trying to get a pixel from a non loaded image.");
107 }
108
109 int c = getpixel(mBitmap, x, y);
110
111 return Color(getr32(c), getg32(c), getb32(c), geta(32));
112 }
113
114 void AllegroImage::putPixel(int x, int y, const Color& color)
115 {
116 if (!mBitmap)
117 {
118 throw GCN_EXCEPTION("Trying to put a pixel in a non loaded image.");
119 }
120
121 int c = makeacol_depth(32, color.r, color.g, color.b, color.a);
122
123 putpixel(mBitmap, x, y, c);
124 }
125
126 void AllegroImage::convertToDisplayFormat()
127 {
128 if (!mBitmap)
129 {
130 GCN_EXCEPTION("Trying to convert a non loaded image to display format.");
131 }
132
133 BITMAP *bmp = create_bitmap(mBitmap->w, mBitmap->h);
134
135 blit(mBitmap, bmp, 0, 0, 0, 0, bmp->w, bmp->h);
136
137 destroy_bitmap(mBitmap);
138
139 mBitmap = bmp;
140 }
141 }