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/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* 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
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <guichan/font.hpp>
#include "gui.h"
#include "palette.h"
#include "progressbar.h"
#include "textrenderer.h"
#include "../configuration.h"
#include "../graphics.h"
#include "../resources/image.h"
#include "../resources/resourcemanager.h"
ImageRect ProgressBar::mBorder;
int ProgressBar::mInstances = 0;
float ProgressBar::mAlpha = config.getValue("guialpha", 0.8);
ProgressBar::ProgressBar(float progress,
unsigned int width, unsigned int height,
Uint8 red, Uint8 green, Uint8 blue):
gcn::Widget(),
mRed(red), mGreen(green), mBlue(blue),
mRedToGo(red), mGreenToGo(green), mBlueToGo(blue)
{
mProgressToGo = mProgress = 0.0f;
mSmoothProgress = mSmoothColorChange = true;
setProgress(progress);
setWidth(width);
setHeight(height);
if (mInstances == 0)
{
ResourceManager *resman = ResourceManager::getInstance();
Image *dBorders = resman->getImage("graphics/gui/vscroll_grey.png");
mBorder.grid[0] = dBorders->getSubImage(0, 0, 4, 4);
mBorder.grid[1] = dBorders->getSubImage(4, 0, 3, 4);
mBorder.grid[2] = dBorders->getSubImage(7, 0, 4, 4);
mBorder.grid[3] = dBorders->getSubImage(0, 4, 4, 10);
mBorder.grid[4] = resman->getImage("graphics/gui/bg_quad_dis.png");
mBorder.grid[5] = dBorders->getSubImage(7, 4, 4, 10);
mBorder.grid[6] = dBorders->getSubImage(0, 15, 4, 4);
mBorder.grid[7] = dBorders->getSubImage(4, 15, 3, 4);
mBorder.grid[8] = dBorders->getSubImage(7, 15, 4, 4);
for (int i = 0; i < 9; i++)
{
mBorder.grid[i]->setAlpha(mAlpha);
}
dBorders->decRef();
}
mInstances++;
}
ProgressBar::~ProgressBar()
{
mInstances--;
if (mInstances == 0)
{
delete mBorder.grid[0];
delete mBorder.grid[1];
delete mBorder.grid[2];
delete mBorder.grid[3];
mBorder.grid[4]->decRef();
delete mBorder.grid[5];
delete mBorder.grid[6];
delete mBorder.grid[7];
delete mBorder.grid[8];
}
}
void ProgressBar::logic()
{
if (mSmoothColorChange)
{
// Smoothly changing the color for a nicer effect.
if (mRedToGo > mRed) mRed++;
if (mRedToGo < mRed) mRed--;
if (mGreenToGo > mGreen) mGreen++;
if (mGreenToGo < mGreen) mGreen--;
if (mBlueToGo > mBlue) mBlue++;
if (mBlueToGo < mBlue) mBlue--;
}
else
{
mRed = mRedToGo;
mGreen = mGreenToGo;
mBlue = mBlueToGo;
}
if (mSmoothProgress)
{
// Smoothly showing the progressbar changes.
if (mProgressToGo > mProgress) mProgress = mProgress + 0.005f;
if (mProgressToGo < mProgress) mProgress = mProgress - 0.005f;
}
else
mProgress = mProgressToGo;
}
void ProgressBar::draw(gcn::Graphics *graphics)
{
if (config.getValue("guialpha", 0.8) != mAlpha)
{
mAlpha = config.getValue("guialpha", 0.8);
for (int i = 0; i < 9; i++)
{
mBorder.grid[i]->setAlpha(mAlpha);
}
}
static_cast<Graphics*>(graphics)->
drawImageRect(0, 0, getWidth(), getHeight(), mBorder);
const int alpha = (int)(mAlpha * 255.0f);
// The bar
if (mProgress > 0)
{
graphics->setColor(gcn::Color(mRed, mGreen, mBlue, alpha));
graphics->fillRectangle(gcn::Rectangle(4, 4,
(int) (mProgress * (getWidth() - 8)),
getHeight() - 8));
}
// The label
if (!mText.empty())
{
const int textX = getWidth() / 2;
const int textY = (getHeight() - boldFont->getHeight()) / 2;
TextRenderer::renderText(graphics, mText, textX, textY,
gcn::Graphics::CENTER,
guiPalette->getColor(Palette::PROGRESS_BAR,
alpha), boldFont, true, false);
}
}
void ProgressBar::setProgress(float progress)
{
if (progress < 0.0f) mProgressToGo = 0.0;
else if (progress > 1.0f) mProgressToGo = 1.0;
else mProgressToGo = progress;
}
void ProgressBar::setColor(Uint8 red, Uint8 green, Uint8 blue)
{
mRedToGo = red;
mGreenToGo = green;
mBlueToGo = blue;
}
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