GLWIcon.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <GLW/GLWIcon.h>
#include <GLEXT/GLState.h>
#include <XML/XMLParser.h>
#include <graph/TextureStore.h>
#include <common/Defines.h>

REGISTER_CLASS_SOURCE(GLWIcon);

GLWIcon::GLWIcon(float x, float y, float w, float h, GLTexture *texture) : 
        GLWidget(x, y, w, h),
        texture_(texture)
{
        tooltipTransparent_ = true;
}

GLWIcon::~GLWIcon()
{
}

void GLWIcon::draw()
{
        if (texture_)
        {
                GLState state(GLState::TEXTURE_ON | GLState::BLEND_ON);
                glColor3f(1.0f, 1.0f, 1.0f);
                texture_->draw();

                glBegin(GL_QUADS);
                        glTexCoord2f(0.0f, 0.0f);
                        glVertex2f(x_, y_);
                        glTexCoord2f(1.0f, 0.0f);
                        glVertex2f(x_ + w_, y_);
                        glTexCoord2f(1.0f, 1.0f);
                        glVertex2f(x_ + w_, y_ + h_);
                        glTexCoord2f(0.0f, 1.0f);
                        glVertex2f(x_, y_ + h_);
                glEnd();
        }

        GLWidget::draw();
}

bool GLWIcon::initFromXML(XMLNode *node)
{
        if (!GLWidget::initFromXML(node)) return false;

        XMLNode *bitmapNode, *bitmapANode, *invertNode;
        if (!node->getNamedChild("bitmap", bitmapNode)) return false;
        if (!node->getNamedChild("bitmapa", bitmapANode)) return false;
        if (!node->getNamedChild("invert", invertNode)) return false;

        bool invert = (0 == strcmp(invertNode->getContent(), "true"));
        if (bitmapNode && bitmapANode)
        {
                std::string bitmapName = 
                        S3D::getDataFile(bitmapNode->getContent());
                std::string bitmapAName = 
                        S3D::getDataFile(bitmapANode->getContent());

                texture_ = TextureStore::instance()->loadTexture(
                        bitmapName.c_str(), bitmapAName.c_str(), invert);
                if (!texture_) return false;

                texture_->draw();
                glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP);
                glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP);
        }
        return true;
}

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