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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 "gui/widgets/progressbar.h"
#include "gui/gui.h"
#include "gui/palette.h"
#include "gui/textrenderer.h"
#include "configuration.h"
#include "graphics.h"
#include "resources/image.h"
#include "resources/resourcemanager.h"
#include "utils/dtor.h"
#include <guichan/font.hpp>
ImageRect ProgressBar::mBorder;
int ProgressBar::mInstances = 0;
float ProgressBar::mAlpha = 1.0;
ProgressBar::ProgressBar(float progress,
int width, int height,
const gcn::Color &color):
gcn::Widget(),
mProgress(0.0f),
mProgressToGo(0.0f),
mSmoothProgress(true),
mColor(color),
mColorToGo(color),
mSmoothColorChange(true)
{
setProgress(progress);
setSize(width, 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] = dBorders->getSubImage(4, 4, 3, 10);
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)
{
for_each(mBorder.grid, mBorder.grid + 9, dtor<Image*>());
}
}
void ProgressBar::logic()
{
if (mSmoothColorChange)
{
// Smoothly changing the color for a nicer effect.
if (mColorToGo.r > mColor.r)
mColor.r++;
if (mColorToGo.g > mColor.g)
mColor.g++;
if (mColorToGo.b > mColor.b)
mColor.b++;
if (mColorToGo.r < mColor.r)
mColor.r--;
if (mColorToGo.g < mColor.g)
mColor.g--;
if (mColorToGo.b < mColor.b)
mColor.b--;
}
if (mSmoothProgress)
{
// Smoothly showing the progressbar changes.
if (mProgressToGo > mProgress)
mProgress = std::min(1.0f, mProgress + 0.005f);
if (mProgressToGo < mProgress)
mProgress = std::max(0.0f, mProgress - 0.005f);
}
}
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);
mColor.a = (int) (mAlpha * 255);
// The bar
if (mProgress > 0)
{
graphics->setColor(mColor);
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),
boldFont, true, false);
}
}
void ProgressBar::setProgress(float progress)
{
const float p = std::min(1.0f, std::max(0.0f, progress));
mProgressToGo = p;
if (!mSmoothProgress)
mProgress = p;
}
void ProgressBar::setColor(const gcn::Color &color)
{
mColorToGo = color;
if (!mSmoothColorChange)
mColor = color;
}
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