public boolean scaleImage(
SunGraphics2D sg,
Image img,
int dx1,
int dy1,
int dx2,
int dy2,
int sx1,
int sy1,
int sx2,
int sy2,
Color bgColor,
ImageObserver observer) {
if (!(img instanceof ToolkitImage)) {
return scaleImage(sg, img, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, bgColor);
} else {
ToolkitImage sunimg = (ToolkitImage) img;
if (!imageReady(sunimg, observer)) {
return false;
}
ImageRepresentation ir = sunimg.getImageRep();
return ir.drawToBufImage(
sg, sunimg, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, bgColor, observer);
}
}
/**
* Create an ImageRepresentation for the given Image. The width and height are unknown at this
* point. The color model is a hint as to the color model to use when creating the buffered image.
* If null, the src color model will be used.
*/
public ImageRepresentation(ToolkitImage im, ColorModel cmodel, boolean forceCMhint) {
image = im;
if (image.getSource() instanceof InputStreamImageSource) {
src = (InputStreamImageSource) image.getSource();
}
setColorModel(cmodel);
this.forceCMhint = forceCMhint;
}
public boolean copyImage(
SunGraphics2D sg, Image img, int x, int y, Color bgColor, ImageObserver observer) {
if (!(img instanceof ToolkitImage)) {
return copyImage(sg, img, x, y, bgColor);
} else {
ToolkitImage sunimg = (ToolkitImage) img;
if (!imageReady(sunimg, observer)) {
return false;
}
ImageRepresentation ir = sunimg.getImageRep();
return ir.drawToBufImage(sg, sunimg, x, y, bgColor, observer);
}
}
public boolean transformImage(
SunGraphics2D sg, Image img, AffineTransform atfm, ImageObserver observer) {
if (!(img instanceof ToolkitImage)) {
transformImage(sg, img, 0, 0, atfm, sg.interpolationType);
return true;
} else {
ToolkitImage sunimg = (ToolkitImage) img;
if (!imageReady(sunimg, observer)) {
return false;
}
ImageRepresentation ir = sunimg.getImageRep();
return ir.drawToBufImage(sg, sunimg, atfm, observer);
}
}
public void setProperties(Hashtable<?, ?> props) {
if (src != null) {
src.checkSecurity(null, false);
}
image.setProperties(props);
newInfo(image, ImageObserver.PROPERTIES, 0, 0, 0, 0);
}
public void imageComplete(int status) {
if (src != null) {
src.checkSecurity(null, false);
}
boolean done;
int info;
switch (status) {
default:
case ImageConsumer.IMAGEABORTED:
done = true;
info = ImageObserver.ABORT;
break;
case ImageConsumer.IMAGEERROR:
image.addInfo(ImageObserver.ERROR);
done = true;
info = ImageObserver.ERROR;
dispose();
break;
case ImageConsumer.STATICIMAGEDONE:
done = true;
info = ImageObserver.ALLBITS;
break;
case ImageConsumer.SINGLEFRAMEDONE:
done = false;
info = ImageObserver.FRAMEBITS;
break;
}
synchronized (this) {
if (done) {
image.getSource().removeConsumer(this);
consuming = false;
newbits = null;
if (bimage != null) {
bimage = getOpaqueRGBImage();
}
}
availinfo |= info;
notifyAll();
}
newInfo(image, info, 0, 0, width, height);
image.infoDone(status);
}
protected static boolean imageReady(ToolkitImage sunimg, ImageObserver observer) {
if (sunimg.hasError()) {
if (observer != null) {
observer.imageUpdate(sunimg, ImageObserver.ERROR | ImageObserver.ABORT, -1, -1, -1, -1);
}
return false;
}
return true;
}
public boolean copyImage(
SunGraphics2D sg,
Image img,
int dx,
int dy,
int sx,
int sy,
int w,
int h,
Color bgColor,
ImageObserver observer) {
if (!(img instanceof ToolkitImage)) {
return copyImage(sg, img, dx, dy, sx, sy, w, h, bgColor);
} else {
ToolkitImage sunimg = (ToolkitImage) img;
if (!imageReady(sunimg, observer)) {
return false;
}
ImageRepresentation ir = sunimg.getImageRep();
return ir.drawToBufImage(
sg, sunimg, dx, dy, (dx + w), (dy + h), sx, sy, (sx + w), (sy + h), bgColor, observer);
}
}
synchronized void abort() {
image.getSource().removeConsumer(this);
consuming = false;
newbits = null;
bimage = null;
biRaster = null;
cmodel = null;
srcLUT = null;
isDefaultBI = false;
isSameCM = false;
newInfo(image, ImageObserver.ABORT, -1, -1, -1, -1);
availinfo &=
~(ImageObserver.SOMEBITS
| ImageObserver.FRAMEBITS
| ImageObserver.ALLBITS
| ImageObserver.ERROR);
}
public void setDimensions(int w, int h) {
if (src != null) {
src.checkSecurity(null, false);
}
image.setDimensions(w, h);
newInfo(image, (ImageObserver.WIDTH | ImageObserver.HEIGHT), 0, 0, w, h);
if (w <= 0 || h <= 0) {
imageComplete(ImageConsumer.IMAGEERROR);
return;
}
if (width != w || height != h) {
// dimension mismatch => trigger recreation of the buffer
bimage = null;
}
width = w;
height = h;
availinfo |= ImageObserver.WIDTH | ImageObserver.HEIGHT;
}
synchronized void dispose() {
image.getSource().removeConsumer(this);
consuming = false;
newbits = null;
availinfo &= ~(ImageObserver.SOMEBITS | ImageObserver.FRAMEBITS | ImageObserver.ALLBITS);
}
/*synchronized*/ void startProduction() {
if (!consuming) {
consuming = true;
image.getSource().startProduction(this);
}
}
/**
* Returns the BufferedImage that will be used as the representation of the pixel data. Subclasses
* can override this method to return platform specific subclasses of BufferedImage that may or
* may not be accelerated.
*
* <p>It is subclass' responsibility to propagate acceleration priority to the newly created
* image.
*/
protected BufferedImage createImage(
ColorModel cm, WritableRaster raster, boolean isRasterPremultiplied, Hashtable properties) {
BufferedImage bi = new BufferedImage(cm, raster, isRasterPremultiplied, null);
bi.setAccelerationPriority(image.getAccelerationPriority());
return bi;
}