private void notifyMapListeners(MapEvent event) {
for (IMapListener listener : map.mapListeners) {
try {
listener.changed(event);
} catch (Throwable t) {
ProjectPlugin.log("", t); // $NON-NLS-1$
}
}
}
/**
* Vitalus: Refreshes map image from buffered images of renderers with or without labels cache
* painting.
*
* @param paintLabels
*/
void refreshImage(boolean paintLabels) throws RenderException {
if (getContext().getMapDisplay() == null) {
// we've been disposed lets bail
return;
}
synchronized (getContext()) {
Graphics2D g = null;
try {
BufferedImage current = getContext().getImage();
// create a copy of the image to draw into
BufferedImage copy =
new BufferedImage(current.getWidth(), current.getHeight(), current.getType());
g = (Graphics2D) copy.getGraphics();
g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);
g.setRenderingHint(
RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED);
g.setRenderingHint(
RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_SPEED);
g.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
g.setRenderingHint(
RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_OFF);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
IMap map = getContext().getMap();
Object object = map.getBlackboard().get(ProjectBlackboardConstants.MAP__BACKGROUND_COLOR);
if (object == null) {
IPreferenceStore store = ProjectPlugin.getPlugin().getPreferenceStore();
RGB background = PreferenceConverter.getColor(store, PreferenceConstants.P_BACKGROUND);
map.getBlackboard()
.put(
ProjectBlackboardConstants.MAP__BACKGROUND_COLOR,
new Color(background.red, background.green, background.blue));
object = map.getBlackboard().get(ProjectBlackboardConstants.MAP__BACKGROUND_COLOR);
}
g.setBackground((Color) object);
g.clearRect(0, 0, copy.getWidth(), copy.getHeight());
SortedSet<RenderExecutor> executors;
synchronized (renderExecutors) {
executors = new TreeSet<RenderExecutor>(comparator);
executors.addAll(getRenderExecutors());
}
ILabelPainter cache = getContext().getLabelPainter();
RENDERERS:
for (RenderExecutor executor : executors) {
if (!executor.getContext().isVisible()) {
if (paintLabels && !(executor.getContext().getLayer() instanceof SelectionLayer)) {
// disable layer from label cache
cache.disableLayer(executor.getContext().getLayer().getID().toString());
}
continue RENDERERS;
}
if (executor.getState() == NEVER
|| executor.getState() == STARTING
|| executor.getState() == RENDER_REQUEST) {
continue RENDERERS;
}
if (isFullAlphaUsed(executor)) {
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
} else {
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
}
g.drawRenderedImage(executor.getContext().getImage(), IDENTITY);
}
if (paintLabels) {
RenderingHints hints =
new RenderingHints(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHints(hints);
Dimension displaySize = getContext().getMapDisplay().getDisplaySize();
try {
cache.end(g, new Rectangle(displaySize));
} catch (Throwable t) {
ProjectPlugin.trace(CompositeRenderContextImpl.class, "painting labels failed", t);
}
}
// update the context with the new image
((RenderContextImpl) getContext()).setImage(copy);
} catch (IllegalStateException e) {
stopRendering();
// e.printStackTrace();
return;
} finally {
if (g != null) g.dispose();
}
}
}