Mercurial > fife-parpg

comparison ext/guichan-0.8.2/src/contrib/opengl/oglftfont.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/contrib/opengl/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(gcn::Graphics* graphics, const std::string& text, int x, int y)
114 {
115 if (text == "")
116 {
117 return;
118 }
119
120 gcn::OpenGLGraphics* glGraphics = dynamic_cast<gcn::OpenGLGraphics *>(graphics);
121
122 if(glGraphics == NULL)
123 {
124 throw GCN_EXCEPTION("Graphics object not an OpenGL graphics object!");
125 }
126
127 const gcn::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 }