/**
* Returns a scaled instance of the tile image. Using a MediaTracker instance, this function waits
* until the scaling operation is done.
*
* <p>Internally it caches the scaled image in order to optimize the common case, where the same
* scale is requested as the last time.
*
* @param zoom the requested zoom level
* @return Image
*/
public Image getScaledImage(double zoom) {
if (zoom == 1.0) {
return getImage();
} else if (zoom == myZoom && scaledImage != null) {
return scaledImage;
} else {
Image img = getImage();
Rectangle bounds = img.getBounds();
if (img != null) {
ImageData imageData = img.getImageData();
if (tileset != null && tileset.getTransparentColor() != null) {
imageData.transparentPixel = imageData.palette.getPixel(tileset.getTransparentColor());
}
scaledImage =
new Image(
Display.getDefault(),
imageData.scaledTo(
(int) Math.round(bounds.width * zoom), (int) Math.round(bounds.height * zoom)));
// MediaTracker mediaTracker = new MediaTracker(new Canvas());
// mediaTracker.addImage(scaledImage, 0);
// try {
// mediaTracker.waitForID(0);
// }
// catch (InterruptedException ie) {
// System.err.println(ie);
// }
// mediaTracker.removeImage(scaledImage);
myZoom = zoom;
return scaledImage;
}
}
return null;
}
private ImageData getEmptyImageData() {
final RGB whiteRGB = new RGB(255, 255, 255); // The transparancy color
final RGB blackRGB = new RGB(0, 0, 0);
PaletteData palette = new PaletteData(new RGB[] {whiteRGB, blackRGB});
ImageData imageData = new ImageData(width, height, 1, palette);
int whitePixel = imageData.palette.getPixel(whiteRGB);
imageData.transparentPixel = whitePixel;
return imageData;
}
static ImageData convertToSWT(BufferedImage bufferedImage) {
if (bufferedImage.getColorModel() instanceof DirectColorModel) {
DirectColorModel colorModel = (DirectColorModel) bufferedImage.getColorModel();
PaletteData palette =
new PaletteData(
colorModel.getRedMask(), colorModel.getGreenMask(), colorModel.getBlueMask());
ImageData data =
new ImageData(
bufferedImage.getWidth(),
bufferedImage.getHeight(),
colorModel.getPixelSize(),
palette);
WritableRaster raster = bufferedImage.getRaster();
int[] pixelArray = new int[3];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2]));
data.setPixel(x, y, pixel);
}
}
return data;
} else if (bufferedImage.getColorModel() instanceof IndexColorModel) {
IndexColorModel colorModel = (IndexColorModel) bufferedImage.getColorModel();
int size = colorModel.getMapSize();
byte[] reds = new byte[size];
byte[] greens = new byte[size];
byte[] blues = new byte[size];
colorModel.getReds(reds);
colorModel.getGreens(greens);
colorModel.getBlues(blues);
RGB[] rgbs = new RGB[size];
for (int i = 0; i < rgbs.length; i++) {
rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF, blues[i] & 0xFF);
}
PaletteData palette = new PaletteData(rgbs);
ImageData data =
new ImageData(
bufferedImage.getWidth(),
bufferedImage.getHeight(),
colorModel.getPixelSize(),
palette);
data.transparentPixel = colorModel.getTransparentPixel();
WritableRaster raster = bufferedImage.getRaster();
int[] pixelArray = new int[1];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
data.setPixel(x, y, pixelArray[0]);
}
}
return data;
}
return null;
}
/**
* Returns a corner image for the specified position and color.
*
* <p>The returned image is cached and may not be disposed.
*
* @param position the wanted position of the image
* @param rgb the wanted color
* @return the image
*/
public static Image getCornerImage(DecorationPosition position, RGB rgb) {
final String key = "CORNER_IMAGE:" + position + ":" + rgb; // $NON-NLS-1$ //$NON-NLS-2$
final ImageRegistry ir = JFaceResources.getImageRegistry();
Image image = ir.get(key);
if (image != null) return image;
final Display device = Display.getDefault();
final Color color = new Color(device, rgb);
image = new Image(device, 5, 5);
final GC gc = new GC(image);
gc.setBackground(color);
switch (position) {
case TOP_LEFT:
gc.fillPolygon(new int[] {0, 0, 4, 0, 0, 4});
break;
case CENTER_LEFT:
gc.fillPolygon(new int[] {0, 0, 4, 2, 0, 4});
break;
case BOTTOM_LEFT:
gc.fillPolygon(new int[] {0, 0, 4, 4, 0, 4});
break;
case TOP_RIGHT:
gc.fillPolygon(new int[] {4, 0, 0, 0, 4, 4});
break;
case CENTER_RIGHT:
gc.fillPolygon(new int[] {4, 0, 2, 0, 4, 4});
break;
case BOTTOM_RIGHT:
gc.fillPolygon(new int[] {4, 0, 4, 0, 4, 4});
break;
}
gc.dispose();
color.dispose();
/*
* Set the transparent color
*/
final ImageData ideaData = image.getImageData();
final int whitePixel = ideaData.palette.getPixel(new RGB(255, 255, 255));
ideaData.transparentPixel = whitePixel;
ir.put(key, image);
return image;
}
public static ImageData createImageData(RenderedImage image) {
ImageData swtdata = null;
int width = image.getWidth();
int height = image.getHeight();
PaletteData palette;
int depth;
depth = 24;
palette = new PaletteData(0xFF0000, 0xFF00, 0xFF);
swtdata = new ImageData(width, height, depth, palette);
swtdata.transparentPixel = TRANSPARENT;
byte blueT = (byte) ((TRANSPARENT) & 0xFF);
byte greenT = (byte) ((TRANSPARENT >> 8) & 0xFF);
byte redT = (byte) ((TRANSPARENT >> 16) & 0xFF);
// System.out.println("red="+redT+"blue"+blueT+"green"+greenT);
// System.out.println("Transparent"+TRANSPARENT);
// awtImage2.getRGB();
Raster raster = image.getData();
int[] awtdata =
raster.getPixels(
0, 0, width, height, new int[width * height * 3]); // raster.getNumBands()]);
int step = swtdata.depth / 8;
byte[] data = swtdata.data;
int baseindex = 0;
// System.out.println( "AWT size:" + awtdata.length );
for (int y = 0; y < height; y++) {
int idx = ((0 + y) * swtdata.bytesPerLine) + (0 * step);
for (int x = 0; x < width; x++) {
baseindex = (x + (y * width)) * 4;
if (awtdata[baseindex + 3] == 0) {
data[idx++] = blueT;
data[idx++] = greenT;
data[idx++] = redT;
} else {
data[idx++] = (byte) awtdata[baseindex];
data[idx++] = (byte) awtdata[baseindex + 1];
data[idx++] = (byte) awtdata[baseindex + 2];
}
}
}
return swtdata;
}
private static Image getFlagRect(Image oFlag) {
// Color background = GUIPI.getColor(GUIPI.windowColor);
int size = Math.max(oFlag.getBounds().height, oFlag.getBounds().width);
// Rectangle rect = new Rectangle(0,0,size,size);
Image i = new Image(oFlag.getDevice(), size, size);
GC gc = new GC(i);
gc.setBackground(oFlag.getDevice().getSystemColor(SWT.COLOR_WHITE));
gc.fillRectangle(0, 0, size, size);
gc.drawImage(
oFlag, (size - oFlag.getBounds().width) / 2, (size - oFlag.getBounds().height) / 2);
gc.dispose();
ImageData id = i.getImageData();
id.transparentPixel = id.palette.getPixel(new RGB(255, 255, 255));
i.dispose();
return new Image(oFlag.getDevice(), id);
}
/**
* Transform a java2d bufferedimage to a swt image.
*
* @param bufferedImage the image to trasform.
* @param width the image width.
* @param height the image height.
* @return swt image.
*/
private ImageData awtToSwt(BufferedImage bufferedImage, int width, int height) {
final int[] awtPixels = new int[width * height];
ImageData swtImageData = new ImageData(width, height, 24, PALETTE_DATA);
swtImageData.transparentPixel = TRANSPARENT_COLOR;
int step = swtImageData.depth / 8;
final byte[] data = swtImageData.data;
bufferedImage.getRGB(0, 0, width, height, awtPixels, 0, width);
for (int i = 0; i < height; i++) {
int idx = (0 + i) * swtImageData.bytesPerLine + 0 * step;
for (int j = 0; j < width; j++) {
int rgb = awtPixels[j + i * width];
for (int k = swtImageData.depth - 8; k >= 0; k -= 8) {
data[idx++] = (byte) ((rgb >> k) & 0xFF);
}
}
}
return swtImageData;
}
/**
* @param height The height of drag handle to generate.
* @param backgroundColor background color to generate drag handle.
* @param embossed if <code>true</code> generated embossed drag handle, otherwise generated
* engraved one.
* @return Drag handle {@link ImageData}.
*/
public ImageData create(int height, HSB backgroundColor, boolean embossed) {
ImageData source = null;
if (embossed) {
source = SharedImages.getImageDescriptor(SharedImages.HANDLE_EMBOSSED).getImageData();
} else {
source = SharedImages.getImageDescriptor(SharedImages.HANDLE).getImageData();
}
ImageData result = new ImageData(source.width, height, source.depth, source.palette);
int offset = (result.height - source.height) / 2;
for (int x = 0; x < result.width; x++) {
for (int y = 0; y < result.height; y++) {
if (y >= offset && y < offset + source.height) {
result.setPixel(x, y, source.getPixel(x, y - offset));
} else {
result.setPixel(x, y, source.transparentPixel);
}
}
}
result.transparentPixel = source.transparentPixel;
List<RGB> newRGBs = new ArrayList<RGB>();
for (RGB each : result.palette.colors) {
try {
HSB hsb = backgroundColor.getCopy();
hsb.brightness = new HSB(each).brightness;
hsb = hsb.mixWith(backgroundColor, 0.7f);
newRGBs.add(hsb.toRGB());
} catch (Exception e) {
e.printStackTrace();
}
}
result.palette.colors = newRGBs.toArray(new RGB[newRGBs.size()]);
return result;
}
private static void initializeRegistry() {
// Taken from org.eclipse.ui.internal.WorkbenchImages
Display d = Display.getCurrent();
Image viewMenu = new Image(d, 11, 16);
Image viewMenuMask = new Image(d, 11, 16);
GC gc = new GC(viewMenu);
GC maskgc = new GC(viewMenuMask);
drawViewMenu(gc, maskgc);
gc.dispose();
maskgc.dispose();
ImageData data = viewMenu.getImageData();
data.transparentPixel = data.getPixel(0, 0);
Image vm2 = new Image(d, viewMenu.getImageData(), viewMenuMask.getImageData());
viewMenu.dispose();
viewMenuMask.dispose();
getImageRegistry().put(EDITOR_MENU, vm2);
getImageDescriptorRegistry().put(EDITOR_MENU, ImageDescriptor.createFromImage(vm2));
}
public ImageData image(BufferedImage image) {
if (image.getColorModel() instanceof DirectColorModel) {
DirectColorModel cmodel = (DirectColorModel) image.getColorModel();
PaletteData palette =
new PaletteData(cmodel.getRedMask(), cmodel.getGreenMask(), cmodel.getBlueMask());
ImageData data =
new ImageData(image.getWidth(), image.getHeight(), cmodel.getPixelSize(), palette);
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
int rgb = image.getRGB(x, y);
int pixel = palette.getPixel(new RGB((rgb >> 16) & 0xFF, (rgb >> 8) & 0xFF, rgb & 0xFF));
data.setPixel(x, y, pixel);
if (cmodel.hasAlpha()) data.setAlpha(x, y, (rgb >> 24) & 0xFF);
}
}
return data;
} else if (image.getColorModel() instanceof IndexColorModel) {
IndexColorModel cmodel = (IndexColorModel) image.getColorModel();
int size = cmodel.getMapSize();
byte[] reds = new byte[size];
byte[] greens = new byte[size];
byte[] blues = new byte[size];
cmodel.getReds(reds);
cmodel.getGreens(greens);
cmodel.getBlues(blues);
RGB[] rgbs = new RGB[size];
for (int ii = 0; ii < rgbs.length; ii++) {
rgbs[ii] = new RGB(reds[ii] & 0xFF, greens[ii] & 0xFF, blues[ii] & 0xFF);
}
PaletteData palette = new PaletteData(rgbs);
ImageData data =
new ImageData(image.getWidth(), image.getHeight(), cmodel.getPixelSize(), palette);
data.transparentPixel = cmodel.getTransparentPixel();
WritableRaster raster = image.getRaster();
int[] pixelArray = new int[1];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
data.setPixel(x, y, pixelArray[0]);
}
}
return data;
} else if (image.getColorModel() instanceof ComponentColorModel) {
ComponentColorModel cmodel = (ComponentColorModel) image.getColorModel();
PaletteData palette = new PaletteData(0x0000FF, 0x00FF00, 0xFF0000); // BGR
ImageData data = new ImageData(image.getWidth(), image.getHeight(), 24, palette);
if (cmodel.hasAlpha()) data.alphaData = new byte[image.getWidth() * image.getHeight()];
WritableRaster raster = image.getRaster();
int[] pixelArray = new int[4];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
data.setPixel(x, y, (pixelArray[2] << 16) | (pixelArray[1] << 8) | (pixelArray[0]));
if (data.alphaData != null) data.alphaData[y * data.width + x] = (byte) pixelArray[3];
}
}
return data;
}
return null;
}
protected org.eclipse.swt.graphics.Image createSWTImage(ImageData myImageTemplate) {
_myImageTemplate.transparentPixel = _myImageTemplate.palette.getPixel(new RGB(255, 255, 255));
org.eclipse.swt.graphics.Image image =
new org.eclipse.swt.graphics.Image(Display.getCurrent(), _myImageTemplate);
return image;
}
