vtm/vtm-desktop/src/org/oscim/awt/AwtCanvas.java
2014-03-27 03:14:02 +01:00

109 lines
3.3 KiB
Java

/*
* Copyright 2010, 2011, 2012, 2013 mapsforge.org
* Copyright 2013 Hannes Janetzek
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
* This program is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.awt;
import java.awt.AlphaComposite;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import org.oscim.backend.canvas.Bitmap;
import org.oscim.backend.canvas.Canvas;
import org.oscim.backend.canvas.Paint;
public class AwtCanvas implements Canvas {
Graphics2D canvas;
public AwtCanvas() {
}
@Override
public void setBitmap(Bitmap bitmap) {
if (canvas != null)
canvas.dispose();
AwtBitmap awtBitamp = (AwtBitmap) bitmap;
canvas = awtBitamp.bitmap.createGraphics();
canvas.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0));
canvas.fillRect(0, 0, bitmap.getWidth(), bitmap.getHeight());
canvas.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
canvas.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
//canvas.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
canvas.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
canvas.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
}
@Override
public void drawText(String text, float x, float y, Paint paint) {
// if (paint.isTransparent()) {
// return;
// }
AwtPaint awtPaint = (AwtPaint) paint;
//AwtPaint awtPaint = AwtGraphicFactory.getAwtPaint(paint);
if (awtPaint.stroke == null) {
canvas.setColor(awtPaint.color);
canvas.setFont(awtPaint.font);
canvas.drawString(text, x + 2, y);
} else {
setColorAndStroke(awtPaint);
TextLayout textLayout = new TextLayout(text,
awtPaint.font,
canvas.getFontRenderContext());
AffineTransform affineTransform = new AffineTransform();
affineTransform.translate(x + 2, y);
canvas.draw(textLayout.getOutline(affineTransform));
}
}
private void setColorAndStroke(AwtPaint awtPaint) {
canvas.setColor(awtPaint.color);
if (awtPaint.stroke != null) {
canvas.setStroke(awtPaint.stroke);
}
}
// @Override
// public void drawText(String string, float x, float y, Paint stroke) {
// AwtPaint p = (AwtPaint)stroke;
//
// canvas.setFont(p.font);
// canvas.setColor(p.color);
//
// canvas.drawString(string, (int)x, (int)y);
// }
@Override
public void drawBitmap(Bitmap bitmap, float x, float y) {
// TODO Auto-generated method stub
throw new UnknownError("not implemented");
}
}