private void updateColor(Display display, RGB color, boolean isBackground) {
// Button.setBackgroundColor does not work (at least not on OSX) so
// we instead have to use Button.setImage with an image of the given
// color
BufferedImage coloredImage = ImageUtils.createColoredImage(60, 20, color);
Image image = SwtUtils.convertToSwt(display, coloredImage, false, -1);
if (isBackground) {
mBgColor = color;
mBgButton.setImage(image);
} else {
mFgColor = color;
mFgButton.setImage(image);
}
}
private void updatePreview() {
Display display = mPreviewArea.getDisplay();
for (Control c : mPreviewArea.getChildren()) {
c.dispose();
}
if (!validatePage()) {
return;
}
Map<String, Map<String, BufferedImage>> map = generateImages(true /*previewOnly*/);
for (Entry<String, Map<String, BufferedImage>> categoryEntry : map.entrySet()) {
String category = categoryEntry.getKey();
if (category.length() > 0) {
Label nameLabel = new Label(mPreviewArea, SWT.NONE);
nameLabel.setText(String.format("%1$s:", category));
RowData rowData = new RowData();
nameLabel.setLayoutData(rowData);
// Ensure these get their own rows
rowData.width = PREVIEW_AREA_WIDTH;
}
Map<String, BufferedImage> images = categoryEntry.getValue();
for (Entry<String, BufferedImage> entry : images.entrySet()) {
BufferedImage image = entry.getValue();
Image swtImage = SwtUtils.convertToSwt(display, image, true, -1);
if (swtImage != null) {
@SuppressWarnings("unused") // Has side effect
ImageControl imageControl = new ImageControl(mPreviewArea, SWT.NONE, swtImage);
}
}
}
mPreviewArea.layout(true);
}