public void scrollTo(GregorianCalendar date) {
int left = painter.millisecondsToPixels(date.getTimeInMillis()) - 30;
// left = painter.toPixels( date.getTimeInMillis() );
int top = 0;
Rectangle r = new Rectangle(left, top, events.getWidth(), 10);
log("ScrollTo: " + date.getTime() + " " + r.toString());
// scrollRectToVisible( r );
events.scrollRectToVisible(r);
}
public void paint(final Graphics graphic) {
redrawCount++;
graphic.translate(insets.left, insets.top);
final Rectangle paintArea = graphic.getClipBounds();
final Rectangle layoutArea = layoutViews();
if (layoutArea != null) {
paintArea.union(layoutArea);
}
if (spy != null) {
spy.redraw(paintArea.toString(), redrawCount);
}
if (UI_LOG.isDebugEnabled()) {
UI_LOG.debug(
"------ repaint viewer #"
+ redrawCount
+ " "
+ paintArea.x
+ ","
+ paintArea.y
+ " "
+ paintArea.width
+ "x"
+ paintArea.height);
}
final Canvas c = createCanvas(graphic, paintArea);
if (background != null) {
background.draw(c.createSubcanvas(), rootView.getSize());
}
// paint views
if (rootView != null) {
rootView.draw(c.createSubcanvas());
}
// paint overlay
final Bounds bounds = overlayView.getBounds();
if (paintArea.intersects(
new Rectangle(bounds.getX(), bounds.getY(), bounds.getWidth(), bounds.getHeight()))) {
overlayView.draw(c.createSubcanvas(bounds));
}
/*
* for (int i = 0; i < panes.length; i++) {
* panes[i].draw(c.createSubcanvas()); }
*/
// paint status
// paintUserStatus(bufferGraphics);
// blat to screen
if (doubleBuffering) {
graphic.drawImage(doubleBuffer, 0, 0, null);
}
if (showRepaintArea) {
graphic.setColor(
((AwtColor) Toolkit.getColor(ColorsAndFonts.COLOR_DEBUG_BOUNDS_REPAINT)).getAwtColor());
graphic.drawRect(paintArea.x, paintArea.y, paintArea.width - 1, paintArea.height - 1);
graphic.drawString("#" + redrawCount, paintArea.x + 3, paintArea.y + 15);
}
// paint status
paintStatus(graphic);
}
/**
* Evaluates the requested envelope and builds a new adjusted version of it fitting this coverage
* envelope.
*
* <p>While adjusting the requested envelope this methods also compute the source region as a
* rectangle which is suitable for a successive read operation with {@link ImageIO} to do
* crop-on-read.
*
* @param requestedBBox is the envelope we are requested to load.
* @param destinationRasterArea represents the area to load in raster space. This parameter cannot
* be null since it gets filled with whatever the crop region is depending on the <code>
* requestedEnvelope</code>.
* @param requestedRasterArea is the requested region where to load data of the specified
* envelope.
* @param readGridToWorld the Grid to world transformation to be used
* @return the adjusted requested envelope, empty if no requestedEnvelope has been specified,
* {@code null} in case the requested envelope does not intersect the coverage envelope or in
* case the adjusted requested envelope is covered by a too small raster region (an empty
* region).
* @throws DataSourceException
* @throws DataSourceException in case something bad occurs
*/
private void computeRequestSpatialElements() throws DataSourceException {
//
// Inspect the request and precompute transformation between CRS. We
// also check if we can simply adjust the requested GG in case the
// request CRS is different from the coverage native CRS but the
// transformation is simply an affine transformation.
//
// In such a case we can simplify our work by adjusting the
// requested grid to world, preconcatenating the coordinate
// operation to change CRS
//
inspectCoordinateReferenceSystems();
//
// WE DO HAVE A REQUESTED AREA!
//
//
// Create the crop bbox in the coverage CRS for cropping it later on.
//
computeCropBBOX();
if (empty || (cropBBox != null && cropBBox.isEmpty())) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "RequestedBBox empty or null");
}
// this means that we do not have anything to load at all!
empty = true;
return;
}
//
// CROP SOURCE REGION using the refined requested envelope
//
computeCropRasterArea();
if (empty || (destinationRasterArea != null && destinationRasterArea.isEmpty())) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "CropRasterArea empty or null");
}
// this means that we do not have anything to load at all!
return;
}
if (LOGGER.isLoggable(Level.FINER)) {
StringBuilder sb =
new StringBuilder("Adjusted Requested Envelope = ")
.append(requestedBBox.toString())
.append("\n")
.append("Requested raster dimension = ")
.append(requestedRasterArea.toString())
.append("\n")
.append("Corresponding raster source region = ")
.append(requestedRasterArea.toString());
LOGGER.log(Level.FINER, sb.toString());
}
//
// Compute the request resolution from the request
//
computeRequestedResolution();
}
