/*
* Copyright 2010, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
*
* This file is part of libtiled-java.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package tiled.view;
import tiled.core.Map;
import tiled.core.Tile;
import tiled.core.TileLayer;
import java.awt.*;
/**
* The orthogonal map renderer. This is the most basic map renderer, dealing
* with maps that use rectangular tiles.
*/
public class OrthogonalRenderer implements MapRenderer
{
private final Map map;
public OrthogonalRenderer(Map map) {
this.map = map;
}
public Dimension getMapSize() {
return new Dimension(
map.getWidth() * map.getTileWidth(),
map.getHeight() * map.getTileHeight());
}
public void paintTileLayer(Graphics2D g, TileLayer layer) {
final Rectangle clip = g.getClipBounds();
final int tileWidth = map.getTileWidth();
final int tileHeight = map.getTileHeight();
final Rectangle bounds = layer.getBounds();
g.translate(bounds.x * tileWidth, bounds.y * tileHeight);
clip.translate(-bounds.x * tileWidth, -bounds.y * tileHeight);
clip.height += map.getTileHeightMax();
final int startX = Math.max(0, clip.x / tileWidth);
final int startY = Math.max(0, clip.y / tileHeight);
final int endX = Math.min(layer.getWidth(),
(int) Math.ceil(clip.getMaxX() / tileWidth));
final int endY = Math.min(layer.getHeight(),
(int) Math.ceil(clip.getMaxY() / tileHeight));
for (int x = startX; x < endX; ++x) {
for (int y = startY; y < endY; ++y) {
final Tile tile = layer.getTileAt(x, y);
if (tile == null)
continue;
final Image image = tile.getImage();
if (image == null)
continue;
g.drawImage(
image,
x * tileWidth,
(y + 1) * tileHeight - image.getHeight(null),
null);
}
}
g.translate(-bounds.x * tileWidth, -bounds.y * tileHeight);
}
}