private void repaint() { if (mPainter != null) { if (DEBUG.IMAGE) out("repaint in " + GUI.name(mPainter)); mPainter.repaint(); } // FYI, this will not repaint if the parent is a DefaultTreeCellRenderer, // and the parent of the parent (a JLabel), is null, so we can't get that. }
/*@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); }