Michael Bayne
99c4330646
longer provide access to their underlying image (they actually still do, but not in the normal course of affairs). This will allow us to use "trimmed" tiles which are trimmed to the smallest rectangle that contains the non-transparent pixels in a tile image, which will shrink up our components and other tiles a great deal. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1339 542714f4-19e9-0310-aa3c-eee0fc999fb1
75 lines
2.2 KiB
Java
75 lines
2.2 KiB
Java
//
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// $Id: TrimmedTile.java,v 1.1 2002/05/06 18:08:32 mdb Exp $
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package com.threerings.media.tile;
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import java.awt.Graphics2D;
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import java.awt.Image;
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import java.awt.Rectangle;
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import java.awt.Shape;
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import com.samskivert.util.StringUtil;
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import com.threerings.media.util.ImageUtil;
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/**
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* Behaves just like a regular tile, but contains a "trimmed" image which
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* is one where the source image has been trimmed to the smallest
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* rectangle that contains all the non-transparent pixels of the original
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* image.
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*/
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public class TrimmedTile extends Tile
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{
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/**
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* Creates a trimmed tile using the supplied tileset image with the
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* specified bounds and coordinates.
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*
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* @param tilesetSource the tileset image that contains our trimmed
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* tile image.
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* @param bounds contains the width and height of the
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* <em>untrimmed</em> tile, but the x and y offset of the
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* <em>trimmed</em> tile image in the supplied tileset source image.
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* @param tbounds the bounds of the trimmed image in the coordinate
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* system defined by the untrimmed image.
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*/
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public TrimmedTile (Image image, Rectangle bounds, Rectangle tbounds)
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{
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super(image, bounds);
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_tbounds = tbounds;
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}
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// documentation inherited
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public void paint (Graphics2D gfx, int x, int y)
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{
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int vx = x + _tbounds.x, vy = y + _tbounds.y;
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Shape oclip = gfx.getClip();
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gfx.clipRect(vx, vy, _tbounds.width, _tbounds.height);
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gfx.drawImage(_image, vx - _bounds.x, vy - _bounds.y, null);
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gfx.setClip(oclip);
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}
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// documentation inherited
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public Image getImage ()
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{
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String errmsg = "Can't convert trimmed tile to image " +
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"[tile=" + this + "].";
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throw new RuntimeException(errmsg);
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}
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// documentation inherited
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public boolean hitTest (int x, int y)
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{
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return ImageUtil.hitTest(_image, _bounds.x + x, _bounds.y + y);
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}
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// documentation inherited
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protected void toString (StringBuffer buf)
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{
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buf.append(", tbounds=").append(StringUtil.toString(_tbounds));
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}
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/** The dimensions of the trimmed image in the coordinate space
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* defined by the untrimmed image. */
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protected Rectangle _tbounds;
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}
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