public BufferedImage filter(BufferedImage src, BufferedImage dst) { int w = src.getWidth(); int h = src.getHeight(); if (dst == null) { ColorModel dstCM = src.getColorModel(); dst = new BufferedImage( dstCM, dstCM.createCompatibleWritableRaster(width, height), dstCM.isAlphaPremultiplied(), null); } Graphics2D g = dst.createGraphics(); g.drawRenderedImage(src, AffineTransform.getTranslateInstance(-x, -y)); g.dispose(); return dst; }
public BufferedImage filter(BufferedImage src, BufferedImage dst) { int width = src.getWidth(); int height = src.getHeight(); if (dst == null) dst = new BufferedImage( width + leftBorder + rightBorder, height + topBorder + bottomBorder, src.getType()); Graphics2D g = dst.createGraphics(); if (borderPaint != null) { g.setPaint(borderPaint); if (leftBorder > 0) g.fillRect(0, 0, leftBorder, height); if (rightBorder > 0) g.fillRect(width - rightBorder, 0, rightBorder, height); if (topBorder > 0) g.fillRect(leftBorder, 0, width - leftBorder - rightBorder, topBorder); if (bottomBorder > 0) g.fillRect( leftBorder, height - bottomBorder, width - leftBorder - rightBorder, bottomBorder); } g.drawRenderedImage(src, AffineTransform.getTranslateInstance(leftBorder, rightBorder)); g.dispose(); return dst; }
/** * Paint the image onto a Graphics object. The painting is performed tile-by-tile, and includes a * grey region covering the unused portion of image tiles as well as the general background. At * this point the image must be byte data. */ public synchronized void paintComponent(Graphics g) { Graphics2D g2D = null; if (g instanceof Graphics2D) { g2D = (Graphics2D) g; } else { return; } // if source is null, it's just a component if (source == null) { g2D.setColor(getBackground()); g2D.fillRect(0, 0, componentWidth, componentHeight); return; } int transX = -originX; int transY = -originY; // Get the clipping rectangle and translate it into image coordinates. Rectangle clipBounds = g.getClipBounds(); if (clipBounds == null) { clipBounds = new Rectangle(0, 0, componentWidth, componentHeight); } // clear the background (clip it) [minimal optimization here] if (transX > 0 || transY > 0 || transX < (componentWidth - source.getWidth()) || transY < (componentHeight - source.getHeight())) { g2D.setColor(getBackground()); g2D.fillRect(0, 0, componentWidth, componentHeight); } clipBounds.translate(-transX, -transY); // Determine the extent of the clipping region in tile coordinates. int txmin, txmax, tymin, tymax; int ti, tj; txmin = XtoTileX(clipBounds.x); txmin = Math.max(txmin, minTileX); txmin = Math.min(txmin, maxTileX); txmax = XtoTileX(clipBounds.x + clipBounds.width - 1); txmax = Math.max(txmax, minTileX); txmax = Math.min(txmax, maxTileX); tymin = YtoTileY(clipBounds.y); tymin = Math.max(tymin, minTileY); tymin = Math.min(tymin, maxTileY); tymax = YtoTileY(clipBounds.y + clipBounds.height - 1); tymax = Math.max(tymax, minTileY); tymax = Math.min(tymax, maxTileY); Insets insets = getInsets(); // Loop over tiles within the clipping region for (tj = tymin; tj <= tymax; tj++) { for (ti = txmin; ti <= txmax; ti++) { int tx = TileXtoX(ti); int ty = TileYtoY(tj); Raster tile = source.getTile(ti, tj); if (tile != null) { DataBuffer dataBuffer = tile.getDataBuffer(); WritableRaster wr = tile.createWritableRaster(sampleModel, dataBuffer, null); BufferedImage bi = new BufferedImage(colorModel, wr, colorModel.isAlphaPremultiplied(), null); // correctly handles band offsets if (brightnessEnabled == true) { SampleModel sm = sampleModel.createCompatibleSampleModel(tile.getWidth(), tile.getHeight()); WritableRaster raster = RasterFactory.createWritableRaster(sm, null); BufferedImage bimg = new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null); // don't move this code ByteLookupTable lutTable = new ByteLookupTable(0, lutData); LookupOp lookup = new LookupOp(lutTable, null); lookup.filter(bi, bimg); g2D.drawImage(bimg, biop, tx + transX + insets.left, ty + transY + insets.top); } else { AffineTransform transform; transform = AffineTransform.getTranslateInstance( tx + transX + insets.left, ty + transY + insets.top); g2D.drawRenderedImage(bi, transform); } } } } }
// also clip, transform, composite, // public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;} // --------------------------------------------------------- private void doPaint(Graphics2D g, int s, Object o) { // process an operation from the buffer // System.out.println(s); Object o1 = null, o2 = null, o3 = null, o4 = null, o5 = null, o6 = null, o7 = null, o8 = null, o9 = null, o10 = null, o11 = null; if (o instanceof Object[]) { Object[] a = (Object[]) o; if (a.length > 0) o1 = a[0]; if (a.length > 1) o2 = a[1]; if (a.length > 2) o3 = a[2]; if (a.length > 3) o4 = a[3]; if (a.length > 4) o5 = a[4]; if (a.length > 5) o6 = a[5]; if (a.length > 6) o7 = a[6]; if (a.length > 7) o8 = a[7]; if (a.length > 8) o9 = a[8]; if (a.length > 9) o10 = a[9]; if (a.length > 10) o11 = a[10]; } switch (s) { case clear: paintBackground(g, theBackground); break; // public void addRenderingHints(Map<?,?> hints) // {toBuffer("addRenderingHints",hints );} case addRenderingHints: g.addRenderingHints((Map<?, ?>) o); break; case clip1: g.clip((Shape) o); break; case draw1: g.draw((Shape) o); break; case draw3DRect: g.draw3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5); break; case drawGlyphVector: g.drawGlyphVector((GlyphVector) o1, (Float) o2, (Float) o3); break; case drawImage1: g.drawImage((BufferedImage) o1, (BufferedImageOp) o2, (Integer) o3, (Integer) o4); break; case drawImage2: g.drawImage((Image) o1, (AffineTransform) o2, (ImageObserver) o3); break; case drawRenderableImage: g.drawRenderableImage((RenderableImage) o1, (AffineTransform) o2); break; case drawRenderedImage: g.drawRenderedImage((RenderedImage) o1, (AffineTransform) o2); break; case drawString1: g.drawString((AttributedCharacterIterator) o1, (Float) o2, (Float) o3); break; case drawString2: g.drawString((AttributedCharacterIterator) o1, (Integer) o2, (Integer) o3); break; case drawString3: g.drawString((String) o1, (Float) o2, (Float) o3); break; case drawString4: g.drawString((String) o1, (Integer) o2, (Integer) o3); break; case fill: g.fill((Shape) o); break; case fill3DRect: g.fill3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5); break; case rotate1: g.rotate((Double) o); break; case rotate2: g.rotate((Double) o1, (Double) o2, (Double) o3); break; case scale1: g.scale((Double) o1, (Double) o2); break; case setBackground: g.setBackground( (Color) o); // paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/ break; case setComposite: g.setComposite((Composite) o); break; case setPaint: g.setPaint((Paint) o); break; case setRenderingHint: g.setRenderingHint((RenderingHints.Key) o1, o2); break; case setRenderingHints: g.setRenderingHints((Map<?, ?>) o); break; case setStroke: g.setStroke((Stroke) o); break; case setTransform: g.setTransform(makeTransform(o)); break; case shear: g.shear((Double) o1, (Double) o2); break; case transform1: g.transform(makeTransform(o)); break; case translate1: g.translate((Double) o1, (Double) o2); break; case translate2: g.translate((Integer) o1, (Integer) o2); break; case clearRect: g.clearRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case copyArea: g.copyArea( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case drawArc: g.drawArc( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case drawBytes: g.drawBytes((byte[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5); break; case drawChars: g.drawChars((char[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5); break; case drawImage4: g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (Color) o4, (ImageObserver) o5); break; case drawImage5: g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (ImageObserver) o4); break; case drawImage6: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Color) o6, (ImageObserver) o7); break; case drawImage7: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (ImageObserver) o6); break; case drawImage8: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6, (Integer) o7, (Integer) o8, (Integer) o9, (Color) o10, (ImageObserver) o11); break; case drawImage9: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6, (Integer) o7, (Integer) o8, (Integer) o9, (ImageObserver) o10); break; case drawLine: g.drawLine((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case drawOval: g.drawOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case drawPolygon1: g.drawPolygon((int[]) o1, (int[]) o2, (Integer) o3); break; case drawPolygon2: g.drawPolygon((Polygon) o); break; case drawPolyline: g.drawPolyline((int[]) o1, (int[]) o2, (Integer) o3); break; case drawRect: g.drawRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case drawRoundRect: g.drawRoundRect( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case fillArc: g.fillArc( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case fillOval: g.fillOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; // {toBuffer("fillPolygon",mkArg(xPoints, yPoints, nPoints) );} case fillPolygon1: g.fillPolygon((int[]) o1, (int[]) o2, (Integer) o3); break; case fillPolygon2: g.fillPolygon((Polygon) o); break; case fillRect: g.fillRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case fillRoundRect: g.fillRoundRect( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case setClip1: g.setClip((Shape) o); break; case setColor: g.setColor((Color) o); break; case setFont: g.setFont((Font) o); break; case setPaintMode: g.setPaintMode(); break; case setXORMode: g.setXORMode((Color) o); break; case opaque: super.setOpaque((Boolean) o); break; case drawOutline: // g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break; { FontRenderContext frc = g.getFontRenderContext(); TextLayout tl = new TextLayout((String) o1, g.getFont(), frc); Shape s1 = tl.getOutline(null); AffineTransform af = g.getTransform(); g.translate((Integer) o2, (Integer) o3); g.draw(s1); g.setTransform(af); } ; break; default: System.out.println("Unknown image operation " + s); } }