Example usage for com.lowagie.text.pdf PdfContentByte setTextMatrix

List of usage examples for com.lowagie.text.pdf PdfContentByte setTextMatrix

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfContentByte setTextMatrix.

Prototype

public void setTextMatrix(float a, float b, float c, float d, float x, float y) 

Source Link

Document

Changes the text matrix.

Usage

From source file:net.sf.jasperreports.engine.export.PdfGlyphGraphics2D.java

License:Open Source License

@Override
public void drawGlyphVector(GlyphVector glyphVector, float x, float y) {
    Font awtFont = glyphVector.getFont();
    Map<Attribute, Object> fontAttrs = new HashMap<Attribute, Object>();
    Map<TextAttribute, ?> awtFontAttributes = awtFont.getAttributes();
    fontAttrs.putAll(awtFontAttributes);

    //the following relies on FontInfo.getFontInfo matching the face/font name
    com.lowagie.text.Font currentFont = pdfExporter.getFont(fontAttrs, locale, false);
    boolean bold = (currentFont.getStyle() & com.lowagie.text.Font.BOLD) != 0;
    boolean italic = (currentFont.getStyle() & com.lowagie.text.Font.ITALIC) != 0;

    PdfContentByte text = pdfContentByte.getDuplicate();
    text.beginText();/*  w  w  w  .j a v  a2s  .  co m*/

    float[] originalCoords = new float[] { x, y };
    float[] transformedCoors = new float[2];
    getTransform().transform(originalCoords, 0, transformedCoors, 0, 1);
    text.setTextMatrix(1, 0, italic ? ITALIC_ANGLE : 0f, 1, transformedCoors[0],
            pdfExporter.getCurrentPageFormat().getPageHeight() - transformedCoors[1]);

    double scaleX = awtFont.getTransform().getScaleX();
    double scaleY = awtFont.getTransform().getScaleY();
    double minScale = Math.min(scaleX, scaleY);
    text.setFontAndSize(currentFont.getBaseFont(), (float) (minScale * awtFont.getSize2D()));

    if (bold) {
        text.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE);
        text.setLineWidth(currentFont.getSize() * BOLD_STRIKE_FACTOR);
        text.setColorStroke(getColor());
    }

    text.setColorFill(getColor());
    //FIXME find a way to determine the characters that correspond to this glyph vector
    // so that we can map the font glyphs that do not directly map to a character
    text.showText(glyphVector);
    text.resetRGBColorFill();

    if (bold) {
        text.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
        text.setLineWidth(1f);
        text.resetRGBColorStroke();
    }

    text.endText();
    pdfContentByte.add(text);
}

From source file:org.eclipse.birt.report.engine.emitter.pdf.PDFPage.java

License:Open Source License

private void simulateItalic(PdfContentByte cb) {
    float beta = EmitterUtil.ITALIC_HORIZONTAL_COEFFICIENT;
    cb.setTextMatrix(1, 0, beta, 1, 0, 0);
}

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

License:Open Source License

protected void drawText(final RenderableText renderableText, final long contentX2) {
    if (renderableText.getLength() == 0) {
        return;//from www.  jav a  2s .c o m
    }

    final long posX = renderableText.getX();
    final long posY = renderableText.getY();
    final float x1 = (float) (StrictGeomUtility.toExternalValue(posX));

    final PdfContentByte cb;
    PdfTextSpec textSpec = (PdfTextSpec) getTextSpec();
    if (textSpec == null) {
        final StyleSheet layoutContext = renderableText.getStyleSheet();

        // The code below may be weird, but at least it is predictable weird.
        final String fontName = getMetaData()
                .getNormalizedFontFamilyName((String) layoutContext.getStyleProperty(TextStyleKeys.FONT));
        final String encoding = (String) layoutContext.getStyleProperty(TextStyleKeys.FONTENCODING);
        final float fontSize = (float) layoutContext.getDoubleStyleProperty(TextStyleKeys.FONTSIZE, 10);

        final boolean embed = globalEmbed || layoutContext.getBooleanStyleProperty(TextStyleKeys.EMBEDDED_FONT);
        final boolean bold = layoutContext.getBooleanStyleProperty(TextStyleKeys.BOLD);
        final boolean italics = layoutContext.getBooleanStyleProperty(TextStyleKeys.ITALIC);

        final BaseFontFontMetrics fontMetrics = getMetaData().getBaseFontFontMetrics(fontName, fontSize, bold,
                italics, encoding, embed, false);

        final PdfGraphics2D g2 = (PdfGraphics2D) getGraphics();
        final Color cssColor = (Color) layoutContext.getStyleProperty(ElementStyleKeys.PAINT);
        g2.setPaint(cssColor);
        g2.setFillPaint();
        g2.setStrokePaint();
        // final float translateY = (float) affineTransform.getTranslateY();

        cb = g2.getRawContentByte();

        textSpec = new PdfTextSpec(layoutContext, getMetaData(), g2, fontMetrics, cb);
        setTextSpec(textSpec);

        cb.beginText();
        cb.setFontAndSize(fontMetrics.getBaseFont(), fontSize);
    } else {
        cb = textSpec.getContentByte();
    }

    final BaseFontFontMetrics baseFontRecord = textSpec.getFontMetrics();
    final BaseFont baseFont = baseFontRecord.getBaseFont();
    final float ascent;
    if (legacyLineHeightCalc) {
        final float awtAscent = baseFont.getFontDescriptor(BaseFont.AWT_ASCENT, textSpec.getFontSize());
        final float awtLeading = baseFont.getFontDescriptor(BaseFont.AWT_LEADING, textSpec.getFontSize());
        ascent = awtAscent + awtLeading;
    } else {
        ascent = baseFont.getFontDescriptor(BaseFont.BBOXURY, textSpec.getFontSize());
    }
    final float y2 = (float) (StrictGeomUtility.toExternalValue(posY) + ascent);
    final float y = globalHeight - y2;

    final AffineTransform affineTransform = textSpec.getGraphics().getTransform();
    final float translateX = (float) affineTransform.getTranslateX();

    final FontNativeContext nativeContext = baseFontRecord.getNativeContext();
    if (baseFontRecord.isTrueTypeFont() && textSpec.isBold() && nativeContext.isNativeBold() == false) {
        final float strokeWidth = textSpec.getFontSize() / 30.0f; // right from iText ...
        if (strokeWidth == 1) {
            cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
        } else {
            cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE);
            cb.setLineWidth(strokeWidth);
        }
    } else {
        cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
    }

    // if the font does not declare to be italics already, emulate it ..
    if (baseFontRecord.isTrueTypeFont() && textSpec.isItalics() && nativeContext.isNativeItalics() == false) {
        final float italicAngle = baseFont.getFontDescriptor(BaseFont.ITALICANGLE, textSpec.getFontSize());
        if (italicAngle == 0) {
            // italics requested, but the font itself does not supply italics gylphs.
            cb.setTextMatrix(1, 0, PdfLogicalPageDrawable.ITALIC_ANGLE, 1, x1 + translateX, y);
        } else {
            cb.setTextMatrix(x1 + translateX, y);
        }
    } else {
        cb.setTextMatrix(x1 + translateX, y);
    }

    final OutputProcessorMetaData metaData = getMetaData();
    final GlyphList gs = renderableText.getGlyphs();
    final int offset = renderableText.getOffset();

    final CodePointBuffer codePointBuffer = getCodePointBuffer();
    if (metaData.isFeatureSupported(OutputProcessorFeature.FAST_FONTRENDERING)
            && isNormalTextSpacing(renderableText)) {
        final int maxLength = renderableText.computeMaximumTextSize(contentX2);
        final String text = gs.getText(renderableText.getOffset(), maxLength, codePointBuffer);

        cb.showText(text);
    } else {
        final PdfTextArray textArray = new PdfTextArray();
        final StringBuilder buffer = new StringBuilder(gs.getSize());
        final int maxPos = offset + renderableText.computeMaximumTextSize(contentX2);

        for (int i = offset; i < maxPos; i++) {
            final Glyph g = gs.getGlyph(i);
            final Spacing spacing = g.getSpacing();
            if (i != offset) {
                final float optimum = (float) StrictGeomUtility.toFontMetricsValue(spacing.getMinimum());
                if (optimum != 0) {
                    textArray.add(buffer.toString());
                    textArray.add(-optimum / textSpec.getFontSize());
                    buffer.setLength(0);
                }
            }

            final String text = gs.getGlyphAsString(i, codePointBuffer);
            buffer.append(text);
        }
        if (buffer.length() > 0) {
            textArray.add(buffer.toString());
        }
        cb.showText(textArray);
    }
}

From source file:org.xhtmlrenderer.pdf.ITextOutputDevice.java

License:Open Source License

public void drawString(String s, float x, float y, JustificationInfo info) {
    if (Configuration.isTrue("xr.renderer.replace-missing-characters", false)) {
        s = replaceMissingCharacters(s);
    }//from   w w w .ja v a  2  s . c om
    if (s.length() == 0)
        return;
    PdfContentByte cb = _currentPage;
    ensureFillColor();
    AffineTransform at = (AffineTransform) getTransform().clone();
    at.translate(x, y);
    AffineTransform inverse = normalizeMatrix(at);
    AffineTransform flipper = AffineTransform.getScaleInstance(1, -1);
    inverse.concatenate(flipper);
    inverse.scale(_dotsPerPoint, _dotsPerPoint);
    double[] mx = new double[6];
    inverse.getMatrix(mx);
    cb.beginText();
    // Check if bold or italic need to be emulated
    boolean resetMode = false;
    FontDescription desc = _font.getFontDescription();
    float fontSize = _font.getSize2D() / _dotsPerPoint;
    cb.setFontAndSize(desc.getFont(), fontSize);
    float b = (float) mx[1];
    float c = (float) mx[2];
    FontSpecification fontSpec = getFontSpecification();
    if (fontSpec != null) {
        int need = ITextFontResolver.convertWeightToInt(fontSpec.fontWeight);
        int have = desc.getWeight();

        if (need > have) {
            cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE);
            float lineWidth = fontSize * 0.04f; // 4% of font size
            cb.setLineWidth(lineWidth);
            resetMode = true;
            ensureStrokeColor();
        }
        if ((fontSpec.fontStyle == IdentValue.ITALIC) && (desc.getStyle() != IdentValue.ITALIC)) {
            b = 0f;
            c = 0.21256f;
        }
    }
    cb.setTextMatrix((float) mx[0], b, c, (float) mx[3], (float) mx[4], (float) mx[5]);
    if (info == null) {
        cb.showText(s);
    } else {
        PdfTextArray array = makeJustificationArray(s, info);
        cb.showText(array);
    }
    if (resetMode) {
        cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
        cb.setLineWidth(1);
    }
    cb.endText();
}