Example usage for com.itextpdf.text.pdf PdfContentByte transform

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfContentByte transform.

Prototype

public void transform(final java.awt.geom.AffineTransform af) 

Source Link

Document

Concatenates a transformation to the current transformation matrix.

Usage

From source file:com.vectorprint.report.itext.style.stylers.AdvancedImpl.java

License:Open Source License

/**
 * get a canvas for drawing, prepared according to settings
 *
 * @see #draw(com.itextpdf.text.Rectangle, java.lang.String) 
 * @return/*ww w .  j a v  a  2 s . c  o  m*/
 */
protected final PdfContentByte getPreparedCanvas(float opacity) {
    needRestore = false;
    PdfContentByte canvas = (tableForeground != null) ? tableForeground
            : (isBg()) ? getWriter().getDirectContentUnder() : getWriter().getDirectContent();
    String layerName = getLayerName();
    BLENDMODE blend = getBlend();
    if (getWriter().getPDFXConformance() == PdfWriter.PDFX1A2001) {
        // check blend, opacity, layers
        if (!PdfGState.BM_NORMAL.equals(blend.getBlend())
                && !PdfGState.BM_COMPATIBLE.equals(blend.getBlend())) {
            throw new VectorPrintRuntimeException("blend not supported in PDF/X-1a: " + blend);
        }
        if (layerName != null) {
            throw new VectorPrintRuntimeException("layers not supported in PDF/X-1a: " + layerName);
        }
        if (opacity < 1) {
            throw new VectorPrintRuntimeException("opacity not supported in PDF/X-1a: " + opacity);
        }
    }
    if (layerName != null) {
        layerManager.startLayerInGroup(layerName, canvas);
    }
    //                pgs.setAlphaIsShape(true);
    if (opacity <= 1) {
        //                        PdfShading shading = PdfShading.simpleAxial(getWriter(), 0, 0, getDocument().right() - getDocument().getPageSize().getWidth() * 0.6f, getDocument().top() - getDocument().getPageSize().getHeight() * 0.6f, Color.green, Color.orange,true,true);
        //                        canvas.paintShading(shading);
        canvas.saveState();
        needRestore = true;
        PdfGState pgs = new PdfGState();
        pgs.setFillOpacity(opacity);
        pgs.setStrokeOpacity(opacity);
        canvas.setGState(pgs);
    }
    if (!BLENDMODE.NORMAL.equals(blend)) {
        if (!needRestore) {
            canvas.saveState();
            needRestore = true;
        }
        PdfGState pgs = new PdfGState();
        pgs.setBlendMode(blend.getBlend());
        canvas.setGState(pgs);
    }
    if (getTransform() != null && !(this instanceof Image)) {
        canvas.transform(new AffineTransform(getTransform()));
    }
    return canvas;
}

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From source file:com.vectorprint.report.itext.style.stylers.Underline.java

License:Open Source License

@Override
public void draw(Rectangle rect, String genericTag) throws VectorPrintException {
    if (genericTag == null) {
        if (log.isLoggable(Level.FINE)) {
            log.fine("not drawing underline because genericTag is null (no data for underline)");
        }//from  www .  jav a2s  .c  o m
        return;
    }
    DelayedData delayed = getDelayed(genericTag);
    PdfContentByte canvas = getPreparedCanvas();
    try {
        com.itextpdf.text.Font f = delayed.getChunk().getFont();
        canvas.setColorStroke((getColor() == null) ? f.getColor() : itextHelper.fromColor(getColor()));
        canvas.setLineWidth(getLineWidth());
        if (delayed.getChunk().getTextRise() != 0) {
            canvas.transform(AffineTransform.getTranslateInstance(0, delayed.getChunk().getTextRise()));
        }
        HashMap<String, Object> attributes = delayed.getChunk().getAttributes();
        if (attributes != null && attributes.containsKey(Chunk.SKEW)) {
            log.warning("lines under skewed text may not be at the correct position");
        }
        canvas.moveTo(rect.getLeft(), rect.getBottom());
        canvas.lineTo(rect.getLeft() + rect.getWidth(), rect.getBottom());
        canvas.stroke();
    } catch (Exception ex) {
        resetCanvas(canvas);
        throw new VectorPrintException(ex);
    }
    resetCanvas(canvas);
}

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