Review

16

/home/eko/MUBench/MUBench/checkouts/itext/5091/original-src/com/itextpdf/awt/PdfGraphics2D.java

setPaint(boolean, double, double, boolean)

class PdfGraphics2D {
    private void setPaint(boolean invert, double xoffset, double yoffset, boolean fill) {
        if (paint instanceof Color) {
            Color color = (Color)paint;
            int alpha = color.getAlpha();
            if (fill) {
                if (alpha != currentFillGState) {
                    currentFillGState = alpha;
                    PdfGState gs = fillGState[alpha];
                    if (gs == null) {
                        gs = new PdfGState();
                        gs.setFillOpacity(alpha / 255f);
                        fillGState[alpha] = gs;
                    }
                    cb.setGState(gs);
                }
                cb.setColorFill(new BaseColor(color.getRGB()));
            }
            else {
                if (alpha != currentStrokeGState) {
                    currentStrokeGState = alpha;
                    PdfGState gs = strokeGState[alpha];
                    if (gs == null) {
                        gs = new PdfGState();
                        gs.setStrokeOpacity(alpha / 255f);
                        strokeGState[alpha] = gs;
                    }
                    cb.setGState(gs);
                }
                cb.setColorStroke(new BaseColor(color.getRGB()));
            }
        }
        else if (paint instanceof GradientPaint) {
            GradientPaint gp = (GradientPaint)paint;
            Point2D p1 = gp.getPoint1();
            transform.transform(p1, p1);
            Point2D p2 = gp.getPoint2();
            transform.transform(p2, p2);
            Color c1 = gp.getColor1();
            Color c2 = gp.getColor2();
            PdfShading shading = PdfShading.simpleAxial(cb.getPdfWriter(), (float)p1.getX(), normalizeY((float)p1.getY()), (float)p2.getX(), normalizeY((float)p2.getY()), new BaseColor(c1.getRGB()), new BaseColor(c2.getRGB()));
            PdfShadingPattern pat = new PdfShadingPattern(shading);
            if (fill)
                cb.setShadingFill(pat);
            else
                cb.setShadingStroke(pat);
        }
        else if (paint instanceof TexturePaint) {
            try {
                TexturePaint tp = (TexturePaint)paint;
                BufferedImage img = tp.getImage();
                Rectangle2D rect = tp.getAnchorRect();
                com.itextpdf.text.Image image = com.itextpdf.text.Image.getInstance(img, null);
                PdfPatternPainter pattern = cb.createPattern(image.getWidth(), image.getHeight());
                AffineTransform inverse = this.normalizeMatrix();
                inverse.translate(rect.getX(), rect.getY());
                inverse.scale(rect.getWidth() / image.getWidth(), -rect.getHeight() / image.getHeight());
                double[] mx = new double[6];
                inverse.getMatrix(mx);
                pattern.setPatternMatrix((float)mx[0], (float)mx[1], (float)mx[2], (float)mx[3], (float)mx[4], (float)mx[5]) ;
                image.setAbsolutePosition(0,0);
                pattern.addImage(image);
                if (fill)
                    cb.setPatternFill(pattern);
                else
                    cb.setPatternStroke(pattern);
            } catch (Exception ex) {
                if (fill)
                    cb.setColorFill(BaseColor.GRAY);
                else
                    cb.setColorStroke(BaseColor.GRAY);
            }
        }
        else {
            try {
                BufferedImage img = null;
                int type = BufferedImage.TYPE_4BYTE_ABGR;
                if (paint.getTransparency() == Transparency.OPAQUE) {
                    type = BufferedImage.TYPE_3BYTE_BGR;
                }
                img = new BufferedImage((int)width, (int)height, type);
                Graphics2D g = (Graphics2D)img.getGraphics();
                g.transform(transform);
                AffineTransform inv = transform.createInverse();
                Shape fillRect = new Rectangle2D.Double(0,0,img.getWidth(),img.getHeight());
                fillRect = inv.createTransformedShape(fillRect);
                g.setPaint(paint);
                g.fill(fillRect);
                if (invert) {
                    AffineTransform tx = new AffineTransform();
                    tx.scale(1,-1);
                    tx.translate(-xoffset,-yoffset);
                    g.drawImage(img,tx,null);
                }
                g.dispose();
                g = null;
                com.itextpdf.text.Image image = com.itextpdf.text.Image.getInstance(img, null);
                PdfPatternPainter pattern = cb.createPattern(width, height);
                image.setAbsolutePosition(0,0);
                pattern.addImage(image);
                if (fill)
                    cb.setPatternFill(pattern);
                else
                    cb.setPatternStroke(pattern);
            } catch (Exception ex) {
                if (fill)
                    cb.setColorFill(BaseColor.GRAY);
                else
                    cb.setColorStroke(BaseColor.GRAY);
            }
        }
    }
}