Mercurial > fife-parpg
diff ext/guichan-0.8.1/src/contrib/allegro/allegroglyphkeeperfont.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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ext/guichan-0.8.1/src/contrib/allegro/allegroglyphkeeperfont.cpp Sun Jun 29 18:44:17 2008 +0000 @@ -0,0 +1,163 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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 "allegrotruetypefont.hpp" + +#include "guichan/allegro.hpp" +#include "guichan/exception.hpp" +#include "guichan/graphics.hpp" + +#include <glyph.h> + +namespace gcn +{ + namespace contrib + { + void AllegroGlyphKeeperFont::load(const std::string& filename, int w, int h) + { + mKeeper = gk_create_keeper(0,0); + + if (mKeeper == NULL) + { + throw GCN_EXCEPTION("Can't create keeper."); + } + + mFace = gk_load_face_from_file(filename.c_str(), 0); + + if (mFace == NULL) + { + throw GCN_EXCEPTION("Can't load font from file."); + } + + mRend = gk_create_renderer(mFace,mKeeper); + + if (mRend == NULL) + { + throw GCN_EXCEPTION("Can't create renderer."); + } + + gk_rend_set_hinting_off(mRend); + gk_rend_set_size_pixels(mRend, w, h); + gk_rend_set_text_color_rgb(mRend, 0, 0, 0); + } + + AllegroGlyphKeeperFont::AllegroGlyphKeeperFont(const std::string& filename, int size) + : mFace(0), + mRend(0), + mKeeper(0) + { + load(filename, size, size); + } + + AllegroGlyphKeeperFont::AllegroGlyphKeeperFont(const std::string& filename, int w, int h) + : mFace(0), + mRend(0), + mKeeper(0) + { + load(filename, w, h); + } + + AllegroGlyphKeeperFont::~AllegroGlyphKeeperFont() + { + if (mRend != NULL) + { + gk_done_renderer(mRend); + } + + mRend = NULL; + + if (mFace != NULL) + { + gk_unload_face(mFace); + } + + mFace = NULL; + + if (mKeeper != NULL) + { + gk_done_keeper(mKeeper); + } + + mKeeper = NULL; + } + + int AllegroGlyphKeeperFont::getWidth(const std::string& text) const + { + return gk_text_width_utf8(mRend, text.c_str()); + } + + int AllegroGlyphKeeperFont::getHeight() const + { + return gk_rend_height_pixels(mRend); + } + + void AllegroGlyphKeeperFont::drawString(Graphics* graphics, const std::string& text, int x, int y) + { + AllegroGraphics* const allegroGraphics = dynamic_cast<AllegroGraphics*>(graphics); + if (!allegroGraphics) + { + throw GCN_EXCEPTION("Graphics is not of type AllegroGraphics"); + } + + BITMAP* const target = allegroGraphics->getTarget(); + + gk_rend_set_text_color_combined(mRend, allegroGraphics->getAllegroColor()); + gk_rend_set_text_alpha(mRend, allegroGraphics->getColor().a); + + const ClipRectangle& rec = graphics->getCurrentClipArea(); + + gk_render_line_utf8(target, + mRend, + text.c_str(), + x + rec.xOffset, + y + rec.yOffset + gk_rend_ascender_pixels(mRend)); + } + } +} + + +