private Image getDecoratedImage(final Image image) {
// check if we have a decorated image yet or not
Image decoratedImage = decoratedImages.get(image);
if (decoratedImage == null) {
// create one
CompositeImageDescriptor cd =
new CompositeImageDescriptor() {
@Override
protected Point getSize() {
Rectangle bounds = image.getBounds();
return new Point(bounds.width, bounds.height);
}
@Override
protected void drawCompositeImage(int width, int height) {
drawImage(image.getImageData(), 0, 0);
drawImage(UIIcons.OVR_CHECKEDOUT.getImageData(), 0, 0);
}
};
decoratedImage = cd.createImage();
// store it
decoratedImages.put(image, decoratedImage);
}
return decoratedImage;
}
private void setHeaderImage(final Image image) {
BusyIndicator busyLabel = getBusyLabel();
if (busyLabel == null) {
return;
}
final Point size = leftToolBar.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
Point titleSize = titleLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
size.x += titleSize.x + LEFT_TOOLBAR_HEADER_TOOLBAR_PADDING;
size.y = Math.max(titleSize.y, size.y);
// padding between toolbar and image, ensure image is at least one pixel wide to avoid SWT error
final int padding = (size.x > 0 && !noExtraPadding) ? 10 : 1;
final Rectangle imageBounds = (image != null) ? image.getBounds() : new Rectangle(0, 0, 0, 0);
int tempHeight = (image != null) ? Math.max(size.y + 1, imageBounds.height) : size.y + 1;
// avoid extra padding due to margin added by TitleRegion.VMARGIN
final int height = (tempHeight > imageBounds.height + 5) ? tempHeight - 5 : tempHeight;
CompositeImageDescriptor descriptor =
new CompositeImageDescriptor() {
@Override
protected void drawCompositeImage(int width, int height) {
if (image != null) {
drawImage(
image.getImageData(), size.x + padding, (height - image.getBounds().height) / 2);
}
}
@Override
protected Point getSize() {
return new Point(size.x + padding + imageBounds.width, height);
}
};
Image newHeaderImage = descriptor.createImage();
// directly set on busyLabel since getHeaderForm().getForm().setImage() does not update
// the image if a message is currently displayed
busyLabel.setImage(newHeaderImage);
if (headerImage != null) {
headerImage.dispose();
}
headerImage = newHeaderImage;
// avoid extra padding due to large title font
// TODO reset font in case tool bar is empty
// leftToolBar.getParent().setFont(JFaceResources.getDefaultFont());
getHeaderForm().getForm().reflow(true);
}
/**
* Returns an {@link Image} composed of a base image decorated by another image.
*
* @param baseImage the base {@link Image} that should be decorated.
* @param decorator the {@link Image} to decorate the base image.
* @param corner the corner to place decorator image.
* @return the resulting decorated {@link Image}.
*/
public static Image decorateImage(
final Image baseImage, final Image decorator, final int corner) {
if (corner <= 0 || corner >= LAST_CORNER_KEY) {
throw new IllegalArgumentException("Wrong decorate corner");
}
Map<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[corner];
if (cornerDecoratedImageMap == null) {
cornerDecoratedImageMap = new HashMap<Image, Map<Image, Image>>();
m_decoratedImageMap[corner] = cornerDecoratedImageMap;
}
Map<Image, Image> decoratedMap = cornerDecoratedImageMap.get(baseImage);
if (decoratedMap == null) {
decoratedMap = new HashMap<Image, Image>();
cornerDecoratedImageMap.put(baseImage, decoratedMap);
}
//
Image result = decoratedMap.get(decorator);
if (result == null) {
final Rectangle bib = baseImage.getBounds();
final Rectangle dib = decorator.getBounds();
final Point baseImageSize = new Point(bib.width, bib.height);
CompositeImageDescriptor compositImageDesc =
new CompositeImageDescriptor() {
@Override
protected void drawCompositeImage(int width, int height) {
drawImage(baseImage.getImageData(), 0, 0);
if (corner == TOP_LEFT) {
drawImage(decorator.getImageData(), 0, 0);
} else if (corner == TOP_RIGHT) {
drawImage(decorator.getImageData(), bib.width - dib.width, 0);
} else if (corner == BOTTOM_LEFT) {
drawImage(decorator.getImageData(), 0, bib.height - dib.height);
} else if (corner == BOTTOM_RIGHT) {
drawImage(decorator.getImageData(), bib.width - dib.width, bib.height - dib.height);
}
}
@Override
protected Point getSize() {
return baseImageSize;
}
};
//
result = compositImageDesc.createImage();
decoratedMap.put(decorator, result);
}
return result;
}
/**
* Returns an image composed of a base image decorated by another image
*
* @param baseImage Image The base image that should be decorated
* @param decorator Image The image to decorate the base image
* @param corner The corner to place decorator image
* @return Image The resulting decorated image
*/
public static Image decorateImage(
final Image baseImage, final Image decorator, final int corner) {
HashMap<Image, Image> decoratedMap = m_ImageToDecoratorMap.get(baseImage);
if (decoratedMap == null) {
decoratedMap = new HashMap<Image, Image>();
m_ImageToDecoratorMap.put(baseImage, decoratedMap);
}
Image result = decoratedMap.get(decorator);
if (result == null) {
final Rectangle bid = baseImage.getBounds();
final Rectangle did = decorator.getBounds();
final Point baseImageSize = new Point(bid.width, bid.height);
CompositeImageDescriptor compositImageDesc =
new CompositeImageDescriptor() {
protected void drawCompositeImage(int width, int height) {
drawImage(baseImage.getImageData(), 0, 0);
if (corner == TOP_LEFT) {
drawImage(decorator.getImageData(), 0, 0);
} else if (corner == TOP_RIGHT) {
drawImage(decorator.getImageData(), bid.width - did.width - 1, 0);
} else if (corner == BOTTOM_LEFT) {
drawImage(decorator.getImageData(), 0, bid.height - did.height - 1);
} else if (corner == BOTTOM_RIGHT) {
drawImage(
decorator.getImageData(),
bid.width - did.width - 1,
bid.height - did.height - 1);
}
}
protected Point getSize() {
return baseImageSize;
}
};
result = compositImageDesc.createImage();
decoratedMap.put(decorator, result);
}
return result;
}