00001 /* _______ __ __ __ ______ __ __ _______ __ __ 00002 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ 00003 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / 00004 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / 00005 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / 00006 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / 00007 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ 00008 * 00009 * Copyright (c) 2004, 2005 darkbits Js_./ 00010 * Per Larsson a.k.a finalman _RqZ{a<^_aa 00011 * Olof Naessén a.k.a jansem/yakslem _asww7!uY`> )\a// 00012 * _Qhm`] _f "'c 1!5m 00013 * Visit: http://guichan.darkbits.org )Qk<P ` _: :+' .' "{[ 00014 * .)j(] .d_/ '-( P . S 00015 * License: (BSD) <Td/Z <fP"5(\"??"\a. .L 00016 * Redistribution and use in source and _dV>ws?a-?' ._/L #' 00017 * binary forms, with or without )4d[#7r, . ' )d`)[ 00018 * modification, are permitted provided _Q-5'5W..j/?' -?!\)cam' 00019 * that the following conditions are met: j<<WP+k/);. _W=j f 00020 * 1. Redistributions of source code must .$%w\/]Q . ."' . mj$ 00021 * retain the above copyright notice, ]E.pYY(Q]>. a J@\ 00022 * this list of conditions and the j(]1u<sE"L,. . ./^ ]{a 00023 * following disclaimer. 4'_uomm\. )L);-4 (3= 00024 * 2. Redistributions in binary form must )_]X{Z('a_"a7'<a"a, ]"[ 00025 * reproduce the above copyright notice, #}<]m7`Za??4,P-"'7. ).m 00026 * this list of conditions and the ]d2e)Q(<Q( ?94 b- LQ/ 00027 * following disclaimer in the <B!</]C)d_, '(<' .f. =C+m 00028 * documentation and/or other materials .Z!=J ]e []('-4f _ ) -.)m]' 00029 * provided with the distribution. .w[5]' _[ /.)_-"+? _/ <W" 00030 * 3. Neither the name of Guichan nor the :$we` _! + _/ . j? 00031 * names of its contributors may be used =3)= _f (_yQmWW$#( " 00032 * to endorse or promote products derived - W, sQQQQmZQ#Wwa].. 00033 * from this software without specific (js, \[QQW$QWW#?!V"". 00034 * prior written permission. ]y:.<\.. . 00035 * -]n w/ ' [. 00036 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT )/ )/ ! 00037 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY < (; sac , ' 00038 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, ]^ .- % 00039 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF c < r 00040 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR aga< <La 00041 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 5% )P'-3L 00042 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR _bQf` y`..)a 00043 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, ,J?4P'.P"_(\?d'., 00044 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES _Pa,)!f/<[]/ ?" 00045 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT _2-..:. .r+_,.. . 00046 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ?a.<%"' " -'.a_ _, 00047 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ^ 00048 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00049 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00050 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00051 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 00052 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00053 */ 00054 00055 /* 00056 * For comments regarding functions please see the header file. 00057 */ 00058 00059 #include "guichan/graphics.hpp" 00060 #include "guichan/exception.hpp" 00061 #include "guichan/font.hpp" 00062 00063 namespace gcn 00064 { 00065 00066 Graphics::Graphics() 00067 { 00068 mFont = NULL; 00069 } 00070 00071 bool Graphics::pushClipArea(Rectangle area) 00072 { 00073 if (mClipStack.empty()) 00074 { 00075 ClipRectangle carea; 00076 carea.x = area.x; 00077 carea.y = area.y; 00078 carea.width = area.width; 00079 carea.height = area.height; 00080 mClipStack.push(carea); 00081 return true; 00082 } 00083 00084 ClipRectangle top = mClipStack.top(); 00085 ClipRectangle carea; 00086 carea = area; 00087 carea.xOffset = top.xOffset + carea.x; 00088 carea.yOffset = top.yOffset + carea.y; 00089 carea.x += top.xOffset; 00090 carea.y += top.yOffset; 00091 00092 bool result = carea.intersect(top); 00093 00094 mClipStack.push(carea); 00095 00096 return result; 00097 } 00098 00099 void Graphics::popClipArea() 00100 { 00101 00102 if (mClipStack.empty()) 00103 { 00104 throw GCN_EXCEPTION("Tried to pop clip area from empty stack."); 00105 } 00106 00107 mClipStack.pop(); 00108 } 00109 00110 const ClipRectangle& Graphics::getCurrentClipArea() 00111 { 00112 if (mClipStack.empty()) 00113 { 00114 throw GCN_EXCEPTION("The clip area stack is empty."); 00115 } 00116 00117 return mClipStack.top(); 00118 } 00119 00120 void Graphics::drawImage(const Image* image, int dstX, int dstY) 00121 { 00122 drawImage(image, 0, 0, dstX, dstY, image->getWidth(), image->getHeight()); 00123 } 00124 00125 void Graphics::setFont(Font* font) 00126 { 00127 mFont = font; 00128 } 00129 00130 void Graphics::drawText(const std::string& text, int x, int y, 00131 unsigned int alignment) 00132 { 00133 if (mFont == NULL) 00134 { 00135 throw GCN_EXCEPTION("No font set."); 00136 } 00137 00138 switch (alignment) 00139 { 00140 case LEFT: 00141 mFont->drawString(this, text, x, y); 00142 break; 00143 case CENTER: 00144 mFont->drawString(this, text, x - mFont->getWidth(text) / 2, y); 00145 break; 00146 case RIGHT: 00147 mFont->drawString(this, text, x - mFont->getWidth(text), y); 00148 break; 00149 default: 00150 throw GCN_EXCEPTION("Unknown alignment."); 00151 } 00152 } 00153 }