vtm/vtm-gdx-html/src/org/oscim/gdx/client/GwtCanvasAdapter.java
Hannes Janetzek 98057d9f73 Gwt wrapper
2013-10-09 01:56:10 +02:00

69 lines
1.5 KiB
Java

package org.oscim.gdx.client;
import java.io.InputStream;
import org.oscim.backend.CanvasAdapter;
import org.oscim.backend.canvas.Bitmap;
import org.oscim.backend.canvas.Paint;
import com.google.gwt.canvas.client.Canvas;
import com.google.gwt.canvas.dom.client.Context2d;
import com.google.gwt.canvas.dom.client.TextMetrics;
public class GwtCanvasAdapter extends CanvasAdapter {
public static final GwtCanvasAdapter INSTANCE = new GwtCanvasAdapter();
static final Context2d ctx;
static {
Canvas canvas = Canvas.createIfSupported();
canvas.setCoordinateSpaceWidth(1);
canvas.setCoordinateSpaceHeight(1);
ctx = canvas.getContext2d();
}
static synchronized float getTextWidth(String text, String font) {
ctx.setFont(font);
TextMetrics tm = ctx.measureText(text);
return (float)tm.getWidth();
}
@Override
public Bitmap decodeBitmap(InputStream in) {
//ImageData data = new ImageData();
return null;
}
@Override
public Bitmap loadBitmapAsset(String fileName) {
return new GwtBitmap(fileName);
}
@Override
public int getColor(Color color) {
// TODO Auto-generated method stub
return 0;
}
@Override
public Paint getPaint() {
return new GwtPaint();
}
@Override
public int parseColor(String colorString) {
// TODO Auto-generated method stub
return 0;
}
@Override
public Bitmap getBitmap(int width, int height, int format) {
return new GwtBitmap(width, height, format);
}
@Override
public org.oscim.backend.canvas.Canvas getCanvas() {
return new GwtCanvas();
}
}