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comparison ext/guichan-0.8.1/src/contrib/opengl/oglftfont.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 "oglftfont.hpp"
49
50 #include "guichan/exception.hpp"
51 #include "guichan/opengl/openglgraphics.hpp"
52
53 namespace gcn
54 {
55 namespace contrib
56 {
57 OGLFTFont::OGLFTFont (const std::string& filename, int size)
58 {
59 mRowSpacing = 0;
60 mFilename = filename;
61 mFont = NULL;
62 mSize = size;
63
64 mFont = new OGLFT::TranslucentTexture(filename.c_str(), size, 72);
65
66 if(mFont == NULL || !mFont->isValid())
67 {
68 throw GCN_EXCEPTION("Invalid True Type Font.");
69 }
70
71 glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
72
73 mFontColor = gcn::Color(0, 0, 0, 0);
74 }
75
76 OGLFTFont::~OGLFTFont()
77 {
78 delete mFont;
79 }
80
81 int OGLFTFont::getWidth(const std::string& text) const
82 {
83 OGLFT::BBox bbox = mFont->measure(text.c_str());
84
85 return (int)bbox.x_max_ + (int)bbox.x_min_;
86 }
87
88 int OGLFTFont::getHeight() const
89 {
90 return mSize - 1 + mRowSpacing;
91 }
92
93 void OGLFTFont::setRowSpacing(int spacing)
94 {
95 mRowSpacing = spacing;
96 }
97
98 int OGLFTFont::getRowSpacing()
99 {
100 return mRowSpacing;
101 }
102
103 gcn::Color OGLFTFont::getColor()
104 {
105 return mFontColor;
106 }
107
108 void OGLFTFont::setColor(gcn::Color color)
109 {
110 mFontColor = color;
111 }
112
113 void OGLFTFont::drawString(Graphics* graphics, const std::string& text, int x, int y)
114 {
115 if (text == "")
116 {
117 return;
118 }
119
120 gcn::OpenGLGraphics* glGraphics = (gcn::OpenGLGraphics*) graphics;
121
122 if(glGraphics == NULL)
123 {
124 throw GCN_EXCEPTION("Graphics object not an OpenGL graphics object!");
125 }
126
127 const ClipRectangle& top = glGraphics->getCurrentClipArea();
128
129 mFont->setForegroundColor(mFontColor.r/255, mFontColor.g/255, mFontColor.b/255);
130
131 glPushMatrix();
132 glEnable(GL_TEXTURE_2D);
133 glEnable(GL_BLEND);
134 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
135
136 glTranslated(x + top.xOffset, y + top.yOffset + (mSize/2)+5, 0.);
137 glRotatef(180., 1., 0., 0.);
138
139 mFont->draw(text.c_str());
140
141 glDisable(GL_BLEND);
142 glDisable(GL_TEXTURE_2D);
143 glPopMatrix();
144 }
145 }
146 }