1 /* _______ __ __ __ ______ __ __ _______ __ __ 2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ 3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / 4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / 5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / 6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / 7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ 8 * 9 * Copyright (c) 2004 - 2008 Olof Naess�n and Per Larsson 10 * 11 * 12 * Per Larsson a.k.a finalman 13 * Olof Naess�n 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 { OGLFTFont(const std::string & filename,int size)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 ~OGLFTFont()76 OGLFTFont::~OGLFTFont() 77 { 78 delete mFont; 79 } 80 getWidth(const std::string & text) const81 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 getHeight() const88 int OGLFTFont::getHeight() const 89 { 90 return mSize - 1 + mRowSpacing; 91 } 92 setRowSpacing(int spacing)93 void OGLFTFont::setRowSpacing(int spacing) 94 { 95 mRowSpacing = spacing; 96 } 97 getRowSpacing()98 int OGLFTFont::getRowSpacing() 99 { 100 return mRowSpacing; 101 } 102 getColor()103 gcn::Color OGLFTFont::getColor() 104 { 105 return mFontColor; 106 } 107 setColor(gcn::Color color)108 void OGLFTFont::setColor(gcn::Color color) 109 { 110 mFontColor = color; 111 } 112 drawString(gcn::Graphics * graphics,const std::string & text,int x,int y)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 } 147