Mercurial > fife-parpg
diff engine/core/gui/base/opengl/opengl_gui_graphics.cpp @ 0:4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
author | mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Sun, 29 Jun 2008 18:44:17 +0000 |
parents | |
children | 90005975cdbb |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/engine/core/gui/base/opengl/opengl_gui_graphics.cpp Sun Jun 29 18:44:17 2008 +0000 @@ -0,0 +1,129 @@ +/*************************************************************************** + * Copyright (C) 2005-2008 by the FIFE team * + * http://www.fifengine.de * + * This file is part of FIFE. * + * * + * FIFE is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * + ***************************************************************************/ + +// Standard C++ library includes + +// 3rd party library includes +#include <guichan/opengl.hpp> +#include <guichan/font.hpp> +#include <guichan/exception.hpp> + + +// FIFE includes +// These includes are split up in two parts, separated by one empty line +// First block: files included from the FIFE root src dir +#include "video/image.h" +#include "gui/base/gui_image.h" +#include "util/structures/rect.h" + +#include "opengl_gui_graphics.h" + +namespace FIFE { + struct GLEnable { + GLenum m_flag; + GLboolean m_oldval; + GLEnable(GLenum flag) : m_flag(flag) { + glGetBooleanv(flag, &m_oldval); + if (!m_oldval) { + glEnable(flag); + } + } + ~GLEnable() { + if (!m_oldval) { + glDisable(m_flag); + } + } + }; + + struct GLDisable { + GLenum m_flag; + GLboolean m_oldval; + GLDisable(GLenum flag) : m_flag(flag) { + glGetBooleanv(flag, &m_oldval); + if (m_oldval) { + glDisable(flag); + } + } + ~GLDisable() { + if (m_oldval) { + glEnable(m_flag); + } + } + }; + + OpenGLGuiGraphics::OpenGLGuiGraphics(ImagePool& pool): m_pool(pool) { + mTarget = SDL_GetVideoSurface(); + assert(mTarget); + setTargetPlane(mTarget->w, mTarget->h); + + } + + void OpenGLGuiGraphics::drawImage(const gcn::Image* image, int srcX, int srcY, int dstX, int dstY, int width, int height) { + const GuiImage* g_img = dynamic_cast<const GuiImage*>(image); + assert(g_img); + Image& fifeimg = m_pool.getImage(g_img->getPoolId()); + const gcn::ClipRectangle& clip = getCurrentClipArea(); + Rect rect(dstX, dstY, width, height); + rect.x += clip.xOffset; + rect.y += clip.yOffset; + GLEnable flag(GL_TEXTURE_2D); + fifeimg.render(rect, mTarget); + } + + void OpenGLGuiGraphics::drawText(const std::string& text, int x, int y, + unsigned int alignment) { + if (mFont == NULL) + { + throw GCN_EXCEPTION("No font set."); + } + + GLEnable flag(GL_TEXTURE_2D); + 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."); + } + } + + void OpenGLGuiGraphics::drawPoint(int x, int y) { + GLDisable flag(GL_TEXTURE_2D); + gcn::OpenGLGraphics::drawPoint(x, y); + } + + void OpenGLGuiGraphics::drawLine(int x1, int y1, int x2, int y2) { + GLDisable flag(GL_TEXTURE_2D); + gcn::OpenGLGraphics::drawLine(x1, y1, x2, y2); + } + + void OpenGLGuiGraphics::drawRectangle(const gcn::Rectangle& rectangle) { + GLDisable flag(GL_TEXTURE_2D); + gcn::OpenGLGraphics::drawRectangle(rectangle); + } +}