diff options
Diffstat (limited to 'kshisen/tileset.cpp')
| -rw-r--r-- | kshisen/tileset.cpp | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/kshisen/tileset.cpp b/kshisen/tileset.cpp new file mode 100644 index 00000000..f44e2698 --- /dev/null +++ b/kshisen/tileset.cpp @@ -0,0 +1,147 @@ +/** + * 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 <qimage.h> + +#include <algorithm> + +#include "tileset.h" + +TileSet::TileSet() : scaledTiles(nTiles) +{ + //loadTiles + QImage 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; + + QImage 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 QPixmap &TileSet::tile(int n) const +{ + return scaledTiles[n]; +} + +QPixmap TileSet::highlightedTile(int n) const +{ + const double LIGHTEN_FACTOR = 1.3; + + // lighten the image + QImage 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++; + } + } + + QPixmap 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(); +} + |