1 /*************************************************************************** 2 * Copyright (c) 2017-2019 by the fifechan team * 3 * https://github.com/fifengine/fifechan * 4 * This file is part of fifechan. * 5 * * 6 * fifechan is free software; you can redistribute it and/or * 7 * modify it under the terms of the GNU Lesser General Public * 8 * License as published by the Free Software Foundation; either * 9 * version 2.1 of the License, or (at your option) any later version. * 10 * * 11 * This library is distributed in the hope that it will be useful, * 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 14 * Lesser General Public License for more details. * 15 * * 16 * You should have received a copy of the GNU Lesser General Public * 17 * License along with this library; if not, write to the * 18 * Free Software Foundation, Inc., * 19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 20 ***************************************************************************/ 21 22 /* _______ __ __ __ ______ __ __ _______ __ __ 23 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ 24 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / 25 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / 26 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / 27 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / 28 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ 29 * 30 * Copyright (c) 2004 - 2008 Olof Naess�n and Per Larsson 31 * 32 * 33 * Per Larsson a.k.a finalman 34 * Olof Naess�n a.k.a jansem/yakslem 35 * 36 * Visit: http://guichan.sourceforge.net 37 * 38 * License: (BSD) 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in 46 * the documentation and/or other materials provided with the 47 * distribution. 48 * 3. Neither the name of Guichan nor the names of its contributors may 49 * be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 58 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 59 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 60 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 61 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 62 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63 */ 64 65 /* 66 * For comments regarding functions please see the header file. 67 */ 68 69 #include "fifechan/contrib/opengl/oglftfont.hpp" 70 71 #include "fifechan/exception.hpp" 72 #include "fifechan/opengl/openglgraphics.hpp" 73 #include <math.h> 74 75 namespace fcn 76 { 77 namespace contrib 78 { OGLFTFont(const std::string & filename,int size)79 OGLFTFont::OGLFTFont (const std::string& filename, int size) 80 { 81 mRowSpacing = 0; 82 mFilename = filename; 83 mFont = NULL; 84 mSize = size; 85 86 mFont = new OGLFT::TranslucentTexture(filename.c_str(), size, 72); 87 88 if(mFont == NULL || !mFont->isValid()) 89 { 90 throw FCN_EXCEPTION("Invalid True Type Font."); 91 } 92 93 glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); 94 } 95 ~OGLFTFont()96 OGLFTFont::~OGLFTFont() 97 { 98 delete mFont; 99 } 100 getWidth(const std::string & text) const101 int OGLFTFont::getWidth(const std::string& text) const 102 { 103 OGLFT::BBox bbox = mFont->measure(text.c_str()); 104 105 return (int)ceil(bbox.x_max_) + (int)ceil(bbox.x_min_); 106 } 107 getHeight() const108 int OGLFTFont::getHeight() const 109 { 110 return mSize + mRowSpacing; 111 } 112 setRowSpacing(int spacing)113 void OGLFTFont::setRowSpacing(int spacing) 114 { 115 mRowSpacing = spacing; 116 } 117 getRowSpacing()118 int OGLFTFont::getRowSpacing() 119 { 120 return mRowSpacing; 121 } 122 drawString(fcn::Graphics * graphics,const std::string & text,int x,int y)123 void OGLFTFont::drawString(fcn::Graphics* graphics, const std::string& text, int x, int y) 124 { 125 if (text == "") 126 { 127 return; 128 } 129 130 fcn::OpenGLGraphics* glGraphics = dynamic_cast<fcn::OpenGLGraphics *>(graphics); 131 132 if(glGraphics == NULL) 133 { 134 throw FCN_EXCEPTION("Graphics object not an OpenGL graphics object!"); 135 } 136 137 const fcn::ClipRectangle& top = glGraphics->getCurrentClipArea(); 138 139 Color col = glGraphics->getColor(); 140 mFont->setForegroundColor(col.r/255, col.g/255, col.b/255); 141 142 glPushMatrix(); 143 glEnable(GL_TEXTURE_2D); 144 glEnable(GL_BLEND); 145 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 146 147 glTranslated(x + top.xOffset, y + top.yOffset + (mSize/2)+5, 0.); 148 glRotatef(180., 1., 0., 0.); 149 150 mFont->draw(text.c_str()); 151 152 glDisable(GL_BLEND); 153 glDisable(GL_TEXTURE_2D); 154 glPopMatrix(); 155 } 156 } 157 } 158