frodo-wii/Src/gui/guichan/contrib/opengl/oglftfont.cpp
2009-11-10 06:12:10 +00:00

147 lines
4.7 KiB
C++

/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* 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/contrib/opengl/oglftfont.hpp"
#include "guichan/exception.hpp"
#include "guichan/opengl/openglgraphics.hpp"
namespace gcn
{
namespace contrib
{
OGLFTFont::OGLFTFont (const std::string& filename, int size)
{
mRowSpacing = 0;
mFilename = filename;
mFont = NULL;
mSize = size;
mFont = new OGLFT::TranslucentTexture(filename.c_str(), size, 72);
if(mFont == NULL || !mFont->isValid())
{
throw GCN_EXCEPTION("Invalid True Type Font.");
}
glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
mFontColor = gcn::Color(0, 0, 0, 0);
}
OGLFTFont::~OGLFTFont()
{
delete mFont;
}
int OGLFTFont::getWidth(const std::string& text) const
{
OGLFT::BBox bbox = mFont->measure(text.c_str());
return (int)bbox.x_max_ + (int)bbox.x_min_;
}
int OGLFTFont::getHeight() const
{
return mSize - 1 + mRowSpacing;
}
void OGLFTFont::setRowSpacing(int spacing)
{
mRowSpacing = spacing;
}
int OGLFTFont::getRowSpacing()
{
return mRowSpacing;
}
gcn::Color OGLFTFont::getColor()
{
return mFontColor;
}
void OGLFTFont::setColor(gcn::Color color)
{
mFontColor = color;
}
void OGLFTFont::drawString(gcn::Graphics* graphics, const std::string& text, int x, int y)
{
if (text == "")
{
return;
}
gcn::OpenGLGraphics* glGraphics = dynamic_cast<gcn::OpenGLGraphics *>(graphics);
if(glGraphics == NULL)
{
throw GCN_EXCEPTION("Graphics object not an OpenGL graphics object!");
}
const gcn::ClipRectangle& top = glGraphics->getCurrentClipArea();
mFont->setForegroundColor(mFontColor.r/255, mFontColor.g/255, mFontColor.b/255);
glPushMatrix();
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glTranslated(x + top.xOffset, y + top.yOffset + (mSize/2)+5, 0.);
glRotatef(180., 1., 0., 0.);
mFont->draw(text.c_str());
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glPopMatrix();
}
}
}