@SuppressWarnings("unchecked")
private void paintMe(PaintEvent e) {
int width = e.gc.getClipping().width;
int height = e.gc.getClipping().height;
if (map != null) {
// sort out the transforms
org.eclipse.swt.graphics.Rectangle paintArea =
new org.eclipse.swt.graphics.Rectangle(0, 0, width, height);
ReferencedEnvelope mapArea = map.getViewport().getBounds();
setTransforms(mapArea, paintArea);
StreamingRenderer renderer = new StreamingRenderer();
renderer.setMapContent(map);
RenderingHints hints =
new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
renderer.setJava2DHints(hints);
@SuppressWarnings("rawtypes")
Map rendererParams = new HashMap();
rendererParams.put("optimizedDataLoadingEnabled", new Boolean(true));
renderer.setRendererHints(rendererParams);
org.eclipse.swt.graphics.Rectangle curPaintArea = e.gc.getClipping();
BufferedImage baseImage =
new BufferedImage(
curPaintArea.width + 1, curPaintArea.height + 1, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = baseImage.createGraphics();
g2d.fillRect(0, 0, curPaintArea.width + 1, curPaintArea.height + 1);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// renderer.setContext(context);
java.awt.Rectangle awtRectangle = Utils.toAwtRectangle(curPaintArea);
final ReferencedEnvelope mapAOI = map.getViewport().getBounds();
renderer.paint(g2d, awtRectangle, mapAOI, getWorldToScreenTransform());
// swtImage.dispose();
if (swtImage != null && !swtImage.isDisposed()) {
swtImage.dispose();
swtImage = null;
}
swtImage =
new Image(
canvas.getDisplay(),
awtToSwt(baseImage, curPaintArea.width + 1, curPaintArea.height + 1));
// org.eclipse.swt.graphics.Image image = new
// org.eclipse.swt.graphics.Image(
// e.display, convertToSWT(tmpImage));
e.gc.drawImage(swtImage, 0, 0);
}
double y2 = Math.random() * 120d;
e.gc.drawLine(20, 40, 80, (int) y2);
};
