From fc7928bab206892653a5a7279b384f2bcd323ea4 Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Mon, 30 May 2011 20:09:31 +0300 Subject: Add guichan files to automake --- src/guichan/graphics.cpp | 187 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 187 insertions(+) create mode 100644 src/guichan/graphics.cpp (limited to 'src/guichan/graphics.cpp') diff --git a/src/guichan/graphics.cpp b/src/guichan/graphics.cpp new file mode 100644 index 000000000..688362c12 --- /dev/null +++ b/src/guichan/graphics.cpp @@ -0,0 +1,187 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/graphics.hpp" + +#include "guichan/exception.hpp" +#include "guichan/font.hpp" +#include "guichan/image.hpp" + +namespace gcn +{ + + Graphics::Graphics() + { + mFont = NULL; + } + + bool Graphics::pushClipArea(Rectangle area) + { + // Ignore area with a negate width or height + // by simple pushing an empty clip area + // to the stack. + if (area.width < 0 || area.height < 0) + { + ClipRectangle carea; + mClipStack.push(carea); + return true; + } + + if (mClipStack.empty()) + { + ClipRectangle carea; + carea.x = area.x; + carea.y = area.y; + carea.width = area.width; + carea.height = area.height; + carea.xOffset = area.x; + carea.yOffset = area.y; + mClipStack.push(carea); + return true; + } + + const ClipRectangle &top = mClipStack.top(); + ClipRectangle carea; + carea = area; + carea.xOffset = top.xOffset + carea.x; + carea.yOffset = top.yOffset + carea.y; + carea.x += top.xOffset; + carea.y += top.yOffset; + + // Clamp the pushed clip rectangle. + if (carea.x < top.x) + { + carea.x = top.x; + } + + if (carea.y < top.y) + { + carea.y = top.y; + } + + if (carea.x + carea.width > top.x + top.width) + { + carea.width = top.x + top.width - carea.x; + + if (carea.width < 0) + { + carea.width = 0; + } + } + + if (carea.y + carea.height > top.y + top.height) + { + carea.height = top.y + top.height - carea.y; + + if (carea.height < 0) + { + carea.height = 0; + } + } + + bool result = carea.isIntersecting(top); + + mClipStack.push(carea); + + return result; + } + + void Graphics::popClipArea() + { + + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Tried to pop clip area from empty stack."); + } + + mClipStack.pop(); + } + + const ClipRectangle& Graphics::getCurrentClipArea() + { + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("The clip area stack is empty."); + } + + return mClipStack.top(); + } + + void Graphics::drawImage(const Image* image, int dstX, int dstY) + { + drawImage(image, 0, 0, dstX, dstY, image->getWidth(), image->getHeight()); + } + + void Graphics::setFont(Font* font) + { + mFont = font; + } + + void Graphics::drawText(const std::string& text, int x, int y, + Alignment alignment) + { + if (mFont == NULL) + { + throw GCN_EXCEPTION("No font set."); + } + + switch (alignment) + { + case LEFT: + mFont->drawString(this, text, x, y); + break; + case CENTER: + mFont->drawString(this, text, x - mFont->getWidth(text) / 2, y); + break; + case RIGHT: + mFont->drawString(this, text, x - mFont->getWidth(text), y); + break; + default: + throw GCN_EXCEPTION("Unknown alignment."); + } + } +} -- cgit v1.2.3-60-g2f50