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Code Issues 4 Releases Wiki Activity

Create new class to have better scaling for markers with MapView.

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This commit is contained in:
Holt59
2018-03-03 23:55:53 +01:00
parent 55dfcbd0fe
commit 92af449178
4 changed files with 59 additions and 18 deletions
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45
src/main/org/insa/graphics/drawing/overlays/MarkerAutoScaling.java Normal file
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@@ -0,0 +1,45 @@
package org.insa.graphics.drawing.overlays;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import org.mapsforge.core.graphics.Canvas;
import org.mapsforge.core.model.BoundingBox;
import org.mapsforge.core.model.LatLong;
import org.mapsforge.core.model.Point;
import org.mapsforge.map.awt.graphics.AwtBitmap;
import org.mapsforge.map.layer.overlay.Marker;
public class MarkerAutoScaling extends Marker {
// Original image.
private final Image originalImage;
public MarkerAutoScaling(LatLong latLong, Image image) {
super(latLong, null, 0, 0);
this.originalImage = image;
}
/**
* @return
*/
public Image getImage() {
return originalImage;
}
@Override
public synchronized void draw(BoundingBox boundingBox, byte zoomLevel, Canvas canvas, Point topLeftPoint) {
int width = (int) PaintUtils.getStrokeWidth(12, zoomLevel),
height = (int) PaintUtils.getStrokeWidth(24, zoomLevel);
BufferedImage bfd = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D g = bfd.createGraphics();
g.drawImage(this.originalImage.getScaledInstance(bfd.getWidth(), bfd.getHeight(), Image.SCALE_SMOOTH), 0, 0,
null);
setBitmap(new AwtBitmap(bfd));
setVerticalOffset(-height / 2);
super.draw(boundingBox, zoomLevel, canvas, topLeftPoint);
g.dispose();
}
}

11
src/main/org/insa/graphics/drawing/overlays/MarkerUtils.java
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@@ -1,7 +1,6 @@
package org.insa.graphics.drawing.overlays;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.DataInputStream;
@@ -17,7 +16,7 @@ public class MarkerUtils {
* @param color
* @return
*/
public static BufferedImage getMarkerForColor(Color color) {
public static Image getMarkerForColor(Color color) {
// create image
int[][] mask = readMarkerMask();
BufferedImage image = new BufferedImage(mask[0].length, mask.length, BufferedImage.TYPE_4BYTE_ABGR);
@@ -31,13 +30,7 @@ public class MarkerUtils {
}
}
BufferedImage scaleImage = new BufferedImage(28, 48, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D graphics = scaleImage.createGraphics();
graphics.drawImage(image.getScaledInstance(28, 48, Image.SCALE_SMOOTH), 0, 0, null);
graphics.dispose();
// Create Bitmap and return it.
return scaleImage;
return image;
}
// Mask cache