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/**
* tileset.cpp
*
* Copyright (c) 2002 Jason Lane <jglane@btopenworld.com>
* (c) 2002 Dave Corrie <kde@davecorrie.com>
*
* This file is part of KShisen.
*
* KMail 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <kapplication.h>
#include <kstandarddirs.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kdebug.h>
#include <tqimage.h>
#include <algorithm>
#include "tileset.h"
TileSet::TileSet() : scaledTiles(nTiles)
{
//loadTiles
TQImage tileset(KGlobal::dirs()->findResource("appdata", "tileset.png"));
if(tileset.isNull())
{
KMessageBox::sorry(0, i18n("Cannot load tiles pixmap!"));
KApplication::exit(1);
}
// split into individual tiles
const int TILES_X = 9;
const int TILES_Y = 4;
unscaledTiles.reserve(nTiles);
int w = tileset.width() / TILES_X;
int h = tileset.height() / TILES_Y;
for(int row = 0; row < TILES_Y; row++)
{
for(int col = 0; col < TILES_X; col++)
unscaledTiles.push_back(tileset.copy(col * w, row * h, w, h));
}
}
TileSet::~TileSet()
{
}
void TileSet::resizeTiles(int maxWidth, int maxHeight)
{
// calculate largest tile size that will fit in maxWidth/maxHeight
// and maintain the tile's height-to-width ratio
double ratio = static_cast<double>(unscaledTileHeight()) / unscaledTileWidth();
if(maxWidth * ratio < maxHeight)
maxHeight = qRound(maxWidth * ratio);
else
maxWidth = qRound(maxHeight / ratio);
if(maxHeight == tileHeight() && maxWidth == tileWidth())
return;
//kdDebug() << "tile size: " << maxWidth << "x" << maxHeight << endl;
TQImage img;
for(int i = 0; i < nTiles; i++)
{
if(maxHeight == unscaledTileHeight())
img = unscaledTiles[i].copy();//.convertDepth(32);
else
img = unscaledTiles[i].smoothScale(maxWidth, maxHeight);
scaledTiles[i].convertFromImage(img);
}
}
const TQPixmap &TileSet::tile(int n) const
{
return scaledTiles[n];
}
TQPixmap TileSet::highlightedTile(int n) const
{
const double LIGHTEN_FACTOR = 1.3;
// lighten the image
TQImage img = scaledTiles[n].convertToImage().convertDepth(32);
for(int y = 0; y < img.height(); y++)
{
uchar* p = img.scanLine(y);
for(int x = 0; x < img.width() * 4; x++)
{
*p = static_cast<uchar>(std::min(255, static_cast<int>(*p * LIGHTEN_FACTOR)));
p++;
}
}
TQPixmap highlightedTile;
highlightedTile.convertFromImage(img);
return highlightedTile;
}
int TileSet::lineWidth() const
{
int width = qRound(tileHeight() / 10.0);
if(width < 3)
width = 3;
return width;
}
int TileSet:: tileWidth() const
{
return scaledTiles[0].width();
}
int TileSet:: tileHeight() const
{
return scaledTiles[0].height();
}
int TileSet:: unscaledTileHeight() const
{
return unscaledTiles[0].height();
}
int TileSet:: unscaledTileWidth() const
{
return unscaledTiles[0].width();
}
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