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/*
* UltraStar Deluxe - Karaoke Game
*
* UltraStar Deluxe is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <cstddef>
#include "background_image.hpp"
#include "drawable_control.hpp"
#include "utils/activator.hpp"
namespace usdx
{
BackgroundImage::BackgroundImage(const DrawableControl &control,
boost::filesystem::wpath filename) :
Background(control), texture(NULL), size(0,0)
{
texture = new Disposer<Texture>(new Texture(filename));
}
BackgroundImage::~BackgroundImage()
{
if (texture != NULL) {
delete texture;
texture = NULL;
}
}
void BackgroundImage::updateVertices() {
vertices[0] = 0;
vertices[1] = get_parent().get_height();
vertices[2] = get_parent().get_width();
vertices[3] = get_parent().get_height();
vertices[4] = get_parent().get_width();
vertices[5] = 0;
vertices[6] = 0;
vertices[7] = 0;
}
void BackgroundImage::draw(void)
{
if (size != get_parent().get_size()) {
this->updateVertices();
size = get_parent().get_size();
}
Activator t(texture->get());
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(2, GL_INT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, Texture::default_vertices);
glDrawArrays(GL_QUADS, 0, 4);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
}
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