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comparison ext/guichan-0.8.1/src/openlayer/openlayergraphics.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/openlayergraphics.hpp"
49
50 #include <OpenLayer.hpp>
51
52 #include <string>
53
54 #include "guichan/exception.hpp"
55 #include "guichan/openlayer/openlayerimage.hpp"
56
57 namespace gcn
58 {
59 OpenLayerGraphics::OpenLayerGraphics()
60 {
61 setTargetPlane(640, 480);
62 }
63
64 OpenLayerGraphics::OpenLayerGraphics(int width, int height)
65 {
66 setTargetPlane(width, height);
67 }
68
69 OpenLayerGraphics::~OpenLayerGraphics()
70 {
71
72 }
73
74 void OpenLayerGraphics::_beginDraw()
75 {
76 pushClipArea(Rectangle(0, 0, mWidth, mHeight));
77 }
78
79 void OpenLayerGraphics::_endDraw()
80 {
81 popClipArea();
82 }
83
84 bool OpenLayerGraphics::pushClipArea(Rectangle area)
85 {
86 bool result = Graphics::pushClipArea(area);
87
88 ol::Transforms::SetPosition(mClipStack.top().xOffset,
89 mClipStack.top().yOffset);
90
91 ol::Canvas::SetClipping(mClipStack.top().x,
92 mClipStack.top().y,
93 mClipStack.top().width,
94 mClipStack.top().height);
95
96 return result;
97 }
98
99 void OpenLayerGraphics::popClipArea()
100 {
101 Graphics::popClipArea();
102
103 if (mClipStack.empty())
104 {
105 ol::Transforms::SetPosition(0, 0);
106 ol::Canvas::DisableClipping();
107 }
108 else
109 {
110 const ClipRectangle top = mClipStack.top();
111 ol::Transforms::SetPosition(top.xOffset,
112 top.yOffset);
113 ol::Canvas::SetClipping(top.x,
114 top.y,
115 top.width,
116 top.height);
117 }
118 }
119
120 void OpenLayerGraphics::setTargetPlane(int width, int height)
121 {
122 mWidth = width;
123 mHeight = height;
124 }
125
126 void OpenLayerGraphics::drawImage(const Image* image,
127 int srcX,
128 int srcY,
129 int dstX,
130 int dstY,
131 int width,
132 int height)
133 {
134 const OpenLayerImage* srcImage = dynamic_cast<const OpenLayerImage*>(image);
135
136 if (srcImage == NULL)
137 {
138 throw GCN_EXCEPTION("Trying to draw an image of unknown format, must be an OpenLayerImage.");
139 }
140
141 srcImage->getBitmap()->Blit(dstX - srcX,
142 dstY - srcY,
143 ol::ClippedMode(srcX,
144 srcY,
145 width,
146 height),
147 1.0f);
148 }
149
150 void OpenLayerGraphics::drawPoint(int x, int y)
151 {
152 ol::GfxRend::Point(x + 0.5f, y - 0.5f, mRgba);
153 }
154
155 void OpenLayerGraphics::drawLine(int x1, int y1, int x2, int y2)
156 {
157 mRgba.Select();
158 glDisable(GL_TEXTURE_2D);
159 glLineWidth(1.0f);
160
161 glBegin(GL_LINES);
162 glVertex2f(x1+0.5f, y1+0.5f);
163 glVertex2f(x2+0.5f, y2+0.5f);
164 glEnd();
165
166 glBegin(GL_POINTS);
167 glVertex2f(x1+0.5f, y1+0.5f);
168 glEnd();
169
170 glBegin(GL_POINTS);
171 glVertex2f(x2+0.5f, y2+0.5f);
172 glEnd();
173
174 if (ol::Settings::TextureMappingUsed())
175 {
176 glEnable(GL_TEXTURE_2D);
177 }
178 }
179
180 void OpenLayerGraphics::drawRectangle(const Rectangle& rectangle)
181 {
182 ol::GfxRend::RectOutline(rectangle.x + 0.5f,
183 rectangle.y + 0.5f,
184 rectangle.width - 0.5f,
185 rectangle.height - 0.5f,
186 mRgba);
187 }
188
189 void OpenLayerGraphics::fillRectangle(const Rectangle& rectangle)
190 {
191 ol::GfxRend::Rect(rectangle.x,
192 rectangle.y,
193 rectangle.width,
194 rectangle.height,
195 mRgba);
196 }
197
198 void OpenLayerGraphics::setColor(const Color& color)
199 {
200 mColor = color;
201 mRgba.r = color.r / 255.0f;
202 mRgba.g = color.g / 255.0f;
203 mRgba.b = color.b / 255.0f;
204 mRgba.a = color.a / 255.0f;
205 mRgba.Select();
206 }
207
208 const Color& OpenLayerGraphics::getColor() const
209 {
210 return mColor;
211 }
212
213 const ol::Rgba& OpenLayerGraphics::getOpenLayerColor() const
214 {
215 return mRgba;
216 }
217 }