Example usage for com.lowagie.text.pdf PdfPatternPainter setPatternMatrix

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfPatternPainter setPatternMatrix.

Prototype

public void setPatternMatrix(float a, float b, float c, float d, float e, float f) 

Source Link

Document

Sets the transformation matrix for the pattern.

Usage

From source file:org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal.PdfGraphics2D.java

License:Open Source License

private void setPaint(final boolean invert, final double xoffset, final double yoffset, final boolean fill) {
    if (paint instanceof Color) {
        final Color color = (Color) paint;
        final int alpha = color.getAlpha();
        if (fill) {
            if (alpha != currentFillGState) {
                currentFillGState = alpha;
                PdfGState gs = fillGState[alpha];
                if (gs == null) {
                    gs = new PdfGState();
                    gs.setFillOpacity(alpha / 255.00f);
                    fillGState[alpha] = gs;
                }// ww w.ja  va  2  s .c o m
                cb.setGState(gs);
            }
            cb.setColorFill(color);
        } else {
            if (alpha != currentStrokeGState) {
                currentStrokeGState = alpha;
                PdfGState gs = strokeGState[alpha];
                if (gs == null) {
                    gs = new PdfGState();
                    gs.setStrokeOpacity(alpha / 255.0f);
                    strokeGState[alpha] = gs;
                }
                cb.setGState(gs);
            }
            cb.setColorStroke(color);
        }
    } else if (paint instanceof GradientPaint) {
        final GradientPaint gp = (GradientPaint) paint;
        final Point2D p1 = gp.getPoint1();
        transform.transform(p1, p1);
        final Point2D p2 = gp.getPoint2();
        transform.transform(p2, p2);
        final Color c1 = gp.getColor1();
        final Color c2 = gp.getColor2();
        final PdfShading shading = PdfShading.simpleAxial(cb.getPdfWriter(), (float) p1.getX(),
                normalizeY((float) p1.getY()), (float) p2.getX(), normalizeY((float) p2.getY()), c1, c2);
        final PdfShadingPattern pat = new PdfShadingPattern(shading);
        if (fill) {
            cb.setShadingFill(pat);
        } else {
            cb.setShadingStroke(pat);
        }
    } else if (paint instanceof TexturePaint) {
        try {
            final TexturePaint tp = (TexturePaint) paint;
            final BufferedImage img = tp.getImage();
            final Rectangle2D rect = tp.getAnchorRect();
            final com.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
            final PdfPatternPainter pattern = cb.createPattern(image.getWidth(), image.getHeight());
            final AffineTransform inverse = this.normalizeMatrix();
            inverse.translate(rect.getX(), rect.getY());
            inverse.scale(rect.getWidth() / image.getWidth(), -rect.getHeight() / image.getHeight());
            final 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(Color.gray);
            } else {
                cb.setColorStroke(Color.gray);
            }
        }
    } else {
        try {
            int type = BufferedImage.TYPE_4BYTE_ABGR;
            if (paint.getTransparency() == Transparency.OPAQUE) {
                type = BufferedImage.TYPE_3BYTE_BGR;
            }
            final BufferedImage img = new BufferedImage((int) width, (int) height, type);
            final Graphics2D g = (Graphics2D) img.getGraphics();
            g.transform(transform);
            final 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) {
                final AffineTransform tx = new AffineTransform();
                tx.scale(1, -1);
                tx.translate(-xoffset, -yoffset);
                g.drawImage(img, tx, null);
            }
            g.dispose();
            // g = null;
            final com.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
            final 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(Color.gray);
            } else {
                cb.setColorStroke(Color.gray);
            }
        }
    }
}

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