public DisplayPanel(DrawComponent dc) {
super();
this.dc = dc;
// setDebug(false, true);
dc.clearBounds();
Rectangle dcBounds = new Rectangle(dc.getBounds());
AffineTransform at = new AffineTransform();
at.translate(-dcBounds.x, -dcBounds.y);
if (debugBounds) {
logger.debug("init dcBounds " + dcBounds); // $NON-NLS-1$
logger.debug("translateX = " + (-dcBounds.x)); // $NON-NLS-1$
logger.debug("translateY = " + (-dcBounds.y)); // $NON-NLS-1$
}
dc.transform(at);
dc.clearBounds();
if (debugBounds) logger.debug("translated dcBounds = " + dc.getBounds()); // $NON-NLS-1$
dcBounds = GeomUtil.translateToOriginAndAdjustSize(dc.getBounds());
// dcBounds = GeomUtil.translateToOrigin(dc.getBounds());
if (debugBounds)
logger.debug("translateToOriginAndAdjustSize dcBounds = " + dcBounds); // $NON-NLS-1$
setBackground(bgColor);
renderingHintsManager.setRenderMode(RenderingHintsManager.RENDER_MODE_QUALITY);
init(dcBounds);
}
/**
* @return a Rectangle which determines the Size of the BufferedImage to create If it fits the
* size of the BufferedImage is viewBounds * bufferScaleFactor
*/
protected Rectangle getBufferRectangle() {
// TODO: should be checked if width + height < 0
double bufferScaleFactor = BufferManager.sharedInstance().getBufferScaleFactor();
int bufferWidth = (int) (viewBounds.width * bufferScaleFactor);
int bufferHeight = (int) (viewBounds.height * bufferScaleFactor);
Rectangle newBufferBounds =
new Rectangle(
viewBounds.x - ((bufferWidth - viewBounds.width) / 2),
viewBounds.y - ((bufferHeight - viewBounds.height) / 2),
bufferWidth,
bufferHeight);
if (!isRectangleInReal(newBufferBounds)) {
newBufferBounds = GeomUtil.checkBounds(newBufferBounds, realBounds);
}
newBufferBounds = checkOrigin(newBufferBounds);
return newBufferBounds;
}