private void displayImage(Image image) {
if (DEBUG.RESOURCE || DEBUG.IMAGE) out("displayImage " + Util.tag(image));
mImage = image;
if (mImage != null) {
mImageWidth = mImage.getWidth(null);
mImageHeight = mImage.getHeight(null);
if (DEBUG.IMAGE) out("displayImage " + mImageWidth + "x" + mImageHeight);
}
clearStatus();
repaint();
}
synchronized void loadResource(Resource r) {
if (DEBUG.RESOURCE || DEBUG.IMAGE) out("loadResource: " + Util.tag(r) + " " + r);
mResource = r;
if (r != null) mPreviewData = r.getPreview();
else mPreviewData = null;
mImage = null;
// URLResource decides this
// if (mPreviewData == null && mResource.isImage())
// mPreviewData = mResource;
loadPreview(mPreviewData);
}
/*@Override*/ public void paintIcon(Component c, Graphics g, int x, int y) {
final boolean expandToFit = (mWidth < 1);
if (DEBUG.IMAGE && DEBUG.META)
out(
"paintIcon; onto="
+ GUI.name(c)
+ " painter="
+ GUI.name(mPainter)
+ "@"
+ Integer.toHexString((mPainter.hashCode())));
if (mPainter == null) {
// note this means repaint updates would stop in a new parent,
// tho assuming it's loaded by then, regular paints would work fine.
mPainter = c;
}
if (DrawBorder && !expandToFit) {
g.setColor(Color.gray);
g.drawRect(x, y, mWidth - 1, mHeight - 1);
}
if (mImage == null) {
if (!isLoading /*&& mPreviewData != null*/) {
synchronized (this) {
if (!isLoading /*&& mPreviewData != null*/)
VUE.invokeAfterAWT(ResourceIcon.this); // load the preview
}
}
g.setColor(Color.gray);
g.drawRect(x, y, mWidth - 1, mHeight - 1);
return;
}
int fitWidth, fitHeight;
final Dimension maxImageSize;
if (expandToFit) {
// fill the given component
fitWidth = c.getWidth();
fitHeight = c.getHeight();
maxImageSize = c.getSize();
} else {
// paint at our fixed size
fitWidth = mWidth;
fitHeight = mHeight;
if (DrawBorder)
maxImageSize = new Dimension(fitWidth - BorderSpace * 2, fitHeight - BorderSpace * 2);
else maxImageSize = new Dimension(fitWidth, fitHeight);
if (DEBUG.IMAGE && DEBUG.META) out("paintIcon; into " + GUI.name(maxImageSize));
}
double zoomFit;
if (mImage == NoImage && expandToFit) {
zoomFit = 1;
} else {
Rectangle2D imageBounds;
if (CropToSquare) {
// square off image, then fit in icon (todo: better; crop to icon)
int smallestAxis = mImageWidth > mImageHeight ? mImageHeight : mImageWidth;
imageBounds = new Rectangle2D.Float(0, 0, smallestAxis, smallestAxis);
} else {
// fit entire image in icon
imageBounds = new Rectangle2D.Float(0, 0, mImageWidth, mImageHeight);
}
zoomFit = ZoomTool.computeZoomFit(maxImageSize, 0, imageBounds, null, false);
if (zoomFit > MaxZoom) zoomFit = MaxZoom;
}
final int drawW = (int) (mImageWidth * zoomFit + 0.5);
final int drawH = (int) (mImageHeight * zoomFit + 0.5);
int xoff = x;
int yoff = y;
// center if drawable area is bigger than image
if (drawW != fitWidth) xoff += (fitWidth - drawW) / 2;
if (drawH != fitHeight) yoff += (fitHeight - drawH) / 2;
Shape oldClip = null;
if (CropToSquare && !expandToFit) {
oldClip = g.getClip();
g.clipRect(x, y, mWidth, mHeight);
}
if (DEBUG.IMAGE && DEBUG.META)
out("paintIcon; " + Util.tag(mImage) + " as " + drawW + "x" + drawH);
g.drawImage(mImage, xoff, yoff, drawW, drawH, null);
if (DEBUG.BOXES) {
g.setColor(Color.green);
((Graphics2D) g)
.setComposite(
java.awt.AlphaComposite.getInstance(java.awt.AlphaComposite.SRC_OVER, 0.2f));
g.drawRect(x, y, mWidth - 1, mHeight - 1);
((Graphics2D) g).setComposite(java.awt.AlphaComposite.SrcOver);
}
if (CropToSquare && !expandToFit) g.setClip(oldClip);
}