Example usage for org.apache.pdfbox.util Matrix Matrix

List of usage examples for org.apache.pdfbox.util Matrix Matrix

Introduction

In this page you can find the example usage for org.apache.pdfbox.util Matrix Matrix.

Prototype

public Matrix() 

Source Link

Document

Constructor.

Usage

From source file:airviewer.AnnotationGenerator.java

/**
 *
 * @param a// w  w w .j  av  a  2 s . co m
 * @param d
 * @param p
 * @param shouldResize
 * @return
 */
public static PDAppearanceStream generateSquareAppearance(PDAnnotation a, PDDocument d, PDPage p,
        boolean shouldResize) {
    assert null != a;
    assert null != d;
    assert null != p;

    PDAppearanceStream annotationAppearanceStream = null;

    try {
        if (shouldResize) {
            resizeAnnotationToContent(a);
        }

        final String contents = a.getContents();
        final boolean hasContents = null != contents && 0 < contents.length();
        float borderWidth = 0;
        if (a instanceof PDAnnotationMarkup) {
            final PDBorderStyleDictionary borderStyle = ((PDAnnotationMarkup) a).getBorderStyle();
            if (null != a.getColor() && null != borderStyle) {
                borderWidth = Math.abs(borderStyle.getWidth());
            }
        }
        final float fontSize = FONT_SIZE_PDF_POINTS;
        final float textHeight = fontSize;
        final float margin = MARGIN_SIZE_PDF_POINTS;

        PDRectangle position = a.getRectangle();
        final float lowerLeftX = position.getLowerLeftX();
        final float lowerLeftY = position.getLowerLeftY();
        float width = position.getWidth();
        float height = position.getHeight();

        annotationAppearanceStream = new PDAppearanceStream(d);

        annotationAppearanceStream.setBBox(position);
        annotationAppearanceStream.setMatrix(new AffineTransform());
        annotationAppearanceStream.setResources(p.getResources());

        try (PDPageContentStream appearanceContent = new PDPageContentStream(d, annotationAppearanceStream)) {
            appearanceContent.transform(new Matrix()); // Identity transform

            // Rect is inset by half border width to prevent border leaking
            // outside bounding box
            final float insetLowerLeftX = lowerLeftX + borderWidth * 0.5f;
            final float insetLowerLeftY = lowerLeftY + borderWidth * 0.5f;
            final float insetWidth = width - borderWidth;
            final float insetheight = height - borderWidth;
            appearanceContent.addRect(insetLowerLeftX, insetLowerLeftY, insetWidth, insetheight);
            appearanceContent.setLineWidth(borderWidth);
            appearanceContent.setNonStrokingColor(GRAY);

            if (null != a.getColor() && 0 < borderWidth) {
                appearanceContent.setStrokingColor(a.getColor());
                appearanceContent.fillAndStroke();
            } else {
                appearanceContent.fill();

            }

            if (hasContents) {
                appearanceContent.moveTo(0, 0);
                appearanceContent.beginText();

                // Center vertically, left justified inside border with margin
                appearanceContent.newLineAtOffset(lowerLeftX + borderWidth + margin,
                        lowerLeftY + (height + LINE_SPACE_SIZE_PDF_POINTS) * 0.5f - textHeight * 0.5f);
                appearanceContent.setFont(FONT, fontSize);
                if (null != a.getColor()) {
                    appearanceContent.setNonStrokingColor(a.getColor()); // Sets color of text
                } else {
                    appearanceContent.setNonStrokingColor(BLACK); // Sets color of text

                }
                appearanceContent.showText(a.getContents());
                appearanceContent.endText();
            }
        }
    } catch (IOException ex) {
        Logger.getLogger(AnnotationGenerator.class.getName()).log(Level.SEVERE, null, ex);
    }

    return annotationAppearanceStream;
}

From source file:airviewer.AnnotationGenerator.java

/**
 *
 * @param a//ww w. j  a va2s  .c om
 * @param d
 * @param p
 * @param shouldResize
 * @return
 */
public static PDAppearanceStream generateCircleAppearance(PDAnnotation a, PDDocument d, PDPage p,
        boolean shouldResize) {
    assert null != a;
    assert null != d;
    assert null != p;

    PDAppearanceStream annotationAppearanceStream = null;

    try {
        if (shouldResize) {
            resizeAnnotationToContent(a);
        }

        final String contents = a.getContents();
        final boolean hasContents = null != contents && 0 < contents.length();
        float borderWidth = 0;
        if (a instanceof PDAnnotationMarkup) {
            final PDBorderStyleDictionary borderStyle = ((PDAnnotationMarkup) a).getBorderStyle();
            if (null != a.getColor() && null != borderStyle) {
                borderWidth = Math.abs(borderStyle.getWidth());
            }
        }
        final float fontSize = FONT_SIZE_PDF_POINTS;
        final float textHeight = fontSize;
        final float margin = MARGIN_SIZE_PDF_POINTS;

        PDRectangle position = a.getRectangle();
        final float lowerLeftX = position.getLowerLeftX();
        final float lowerLeftY = position.getLowerLeftY();
        float width = position.getWidth();
        float height = position.getHeight();

        annotationAppearanceStream = new PDAppearanceStream(d);

        annotationAppearanceStream.setBBox(position);
        annotationAppearanceStream.setMatrix(new AffineTransform());
        annotationAppearanceStream.setResources(p.getResources());

        try (PDPageContentStream appearanceContent = new PDPageContentStream(d, annotationAppearanceStream)) {
            appearanceContent.transform(new Matrix()); // Identity transform

            // Rect is inset by half border width to prevent border leaking
            // outside bounding box
            final float insetLowerLeftX = lowerLeftX + borderWidth * 0.5f;
            final float insetLowerLeftY = lowerLeftY + borderWidth * 0.5f;
            final float insetWidth = width - borderWidth;
            final float insetheight = height - borderWidth;

            if (null != a.getColor()) {
                appearanceContent.setLineWidth(borderWidth);
                appearanceContent.moveTo(insetLowerLeftX, insetLowerLeftY + insetheight * 0.5f);
                appearanceContent.curveTo(insetLowerLeftX, insetLowerLeftY + insetheight * 0.75f,
                        insetLowerLeftX + insetWidth * 0.25f, insetLowerLeftY + insetheight,
                        insetLowerLeftX + insetWidth * 0.5f, insetLowerLeftY + insetheight);
                appearanceContent.curveTo(insetLowerLeftX + insetWidth * 0.75f, insetLowerLeftY + insetheight,
                        insetLowerLeftX + insetWidth, insetLowerLeftY + insetheight * 0.75f,
                        insetLowerLeftX + insetWidth, insetLowerLeftY + insetheight * 0.5f);
                appearanceContent.curveTo(insetLowerLeftX + insetWidth, insetLowerLeftY + insetheight * 0.25f,
                        insetLowerLeftX + insetWidth * 0.75f, insetLowerLeftY,
                        insetLowerLeftX + insetWidth * 0.5f, insetLowerLeftY);
                appearanceContent.curveTo(insetLowerLeftX + insetWidth * 0.25f, insetLowerLeftY,
                        insetLowerLeftX, insetLowerLeftY + insetheight * 0.25f, insetLowerLeftX,
                        insetLowerLeftY + insetheight * 0.5f);
            }
            appearanceContent.setNonStrokingColor(GRAY);

            if (null != a.getColor() && 0 < borderWidth) {
                appearanceContent.setStrokingColor(a.getColor());
                appearanceContent.fillAndStroke();
            } else {
                appearanceContent.fill();

            }

            if (hasContents) {
                appearanceContent.moveTo(0, 0);
                appearanceContent.beginText();

                // Center text vertically, left justified inside border with margin
                appearanceContent.newLineAtOffset(lowerLeftX + borderWidth + margin,
                        lowerLeftY + (height + LINE_SPACE_SIZE_PDF_POINTS) * 0.5f - textHeight * 0.5f);
                appearanceContent.setFont(FONT, fontSize);
                appearanceContent.setNonStrokingColor(BLACK); // Sets color of text
                appearanceContent.showText(a.getContents());
                appearanceContent.endText();
            }
        }
    } catch (IOException ex) {
        Logger.getLogger(AnnotationGenerator.class.getName()).log(Level.SEVERE, null, ex);
    }

    return annotationAppearanceStream;
}

From source file:airviewer.BoxAnnotationMaker.java

License:Apache License

/**
 *
 * @param document//from www.  j  a  v a  2  s  .  c  o m
 * @param arguments(lowerLeftX, lowerLeftY, width, height)
 * @return
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 5;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));
        float width = parseFloat(arguments.get(3));
        float height = parseFloat(arguments.get(4));
        String contents = "";
        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        float fontSize = 16; // Or whatever font size you want.
        //float textWidth = font.getStringWidth(contents) * fontSize / 1000.0f;
        //float textHeight = 32;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + height);

            PDAnnotationSquareCircle aSquare = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_SQUARE);
            aSquare.setAnnotationName(new UID().toString());
            aSquare.setContents(contents);
            aSquare.setColor(red); // Outline in red, not setting a fill
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aSquare.setInteriorColor(fillColor);
            aSquare.setBorderStyle(borderThick);
            aSquare.setRectangle(position);
            result = new ArrayList<>(page.getAnnotations()); // copy
            page.getAnnotations().add(aSquare);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aSquare.getAppearance()) {
                aSquare.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + height + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.addRect(lowerLeftX, lowerLeftY, width, height);
                    appearanceContent.setLineWidth(borderThick.getWidth());
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.setStrokingColor(red);
                    appearanceContent.fillAndStroke();
                    appearanceContent.beginText();

                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX, lowerLeftY + height * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.setNonStrokingColor(red);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aSquare.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }
            //System.out.println(page.getAnnotations().toString());

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("\tNon number encountered where floating point number expected.");
        result = null;
    }

    return result;
}

From source file:airviewer.EllipseAnnotationMaker.java

License:Apache License

/**
 * // www .j av a2 s.co  m
 * @param document
 * @param arguments(pageNumber, lowerLeftX, lowerLeftY, width, height, contents)
 * @return 
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 6;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));
        float width = parseFloat(arguments.get(3));
        float height = parseFloat(arguments.get(4));
        String contents = arguments.get(5);

        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        final float fontSize = 16.0f; // Or whatever font size you want.
        //final float lineSpacing = 4.0f;
        width = max(width, font.getStringWidth(contents) * fontSize / 1000.0f);
        //final float textHeight = fontSize + lineSpacing;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDColor black = new PDColor(new float[] { 0, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + height);

            PDAnnotationSquareCircle aCircle = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_CIRCLE);
            aCircle.setAnnotationName(new UID().toString());
            aCircle.setContents(contents);
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aCircle.setInteriorColor(fillColor);
            aCircle.setColor(red);
            aCircle.setBorderStyle(borderThick);
            aCircle.setRectangle(position);

            result = new ArrayList<>(page.getAnnotations()); // Copy
            page.getAnnotations().add(aCircle);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aCircle.getAppearance()) {
                aCircle.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + height + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.moveTo(lowerLeftX, lowerLeftY + height * 0.5f);
                    appearanceContent.curveTo(lowerLeftX, lowerLeftY + height * 0.75f,
                            lowerLeftX + width * 0.25f, lowerLeftY + height, lowerLeftX + width * 0.5f,
                            lowerLeftY + height);
                    appearanceContent.curveTo(lowerLeftX + width * 0.75f, lowerLeftY + height,
                            lowerLeftX + width, lowerLeftY + height * 0.75f, lowerLeftX + width,
                            lowerLeftY + height * 0.5f);
                    appearanceContent.curveTo(lowerLeftX + width, lowerLeftY + height * 0.25f,
                            lowerLeftX + width * 0.75f, lowerLeftY, lowerLeftX + width * 0.5f, lowerLeftY);
                    appearanceContent.curveTo(lowerLeftX + width * 0.25f, lowerLeftY, lowerLeftX,
                            lowerLeftY + height * 0.25f, lowerLeftX, lowerLeftY + height * 0.5f);
                    appearanceContent.setLineWidth(borderThick.getWidth());
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.setStrokingColor(red);
                    appearanceContent.fillAndStroke();
                    appearanceContent.moveTo(0, 0);

                    appearanceContent.beginText();
                    appearanceContent.setNonStrokingColor(black);
                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX + borderThick.getWidth(),
                            lowerLeftY + height * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aCircle.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("Non number encountered where floating point number expected.");
        result = null;
    } catch (IOException ex) {
        Logger.getLogger(EllipseAnnotationMaker.class.getName()).log(Level.SEVERE, null, ex);
        result = null;
    }

    return result;
}

From source file:airviewer.TextAnnotationMaker.java

License:Apache License

/**
 * /*from   w  ww .  j  a va  2 s.c  om*/
 * @param document
 * @param arguments(pageNumber, lowerLeftX, lowerLeftY);
        
    String contents 
 * @return 
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 4;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));

        String contents = arguments.get(3);
        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        final float fontSize = 16.0f; // Or whatever font size you want.
        final float lineSpacing = 4.0f;
        float width = font.getStringWidth(contents) * fontSize / 1000.0f; // font.getStringWidth(contents) returns thousanths of PS point
        final float textHeight = fontSize + lineSpacing;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + textHeight);

            PDAnnotationSquareCircle aSquare = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_SQUARE);
            aSquare.setAnnotationName(new UID().toString());
            aSquare.setContents(contents);
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aSquare.setInteriorColor(fillColor);
            aSquare.setRectangle(position);
            result = new ArrayList<>(page.getAnnotations()); // copy
            page.getAnnotations().add(aSquare);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aSquare.getAppearance()) {
                aSquare.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + textHeight + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.addRect(lowerLeftX, lowerLeftY, width, textHeight);
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.fill();
                    appearanceContent.beginText();

                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX,
                            lowerLeftY + textHeight * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.setNonStrokingColor(red);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aSquare.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }
            //System.out.println(page.getAnnotations().toString());

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("Non number encountered where floating point number expected.");
        result = null;
    } catch (IOException ex) {
        Logger.getLogger(TextAnnotationMaker.class.getName()).log(Level.SEVERE, null, ex);
        result = null;
    }

    return result;
}

From source file:at.gv.egiz.pdfas.lib.impl.pdfbox.placeholder.SignaturePlaceholderExtractor.java

License:EUPL

@Override
protected void processOperator(PDFOperator operator, List<COSBase> arguments) throws IOException {
    String operation = operator.getOperation();
    if (operation.equals("Do")) {
        COSName objectName = (COSName) arguments.get(0);
        Map<?, ?> xobjects = getResources().getXObjects();
        PDXObject xobject = (PDXObject) xobjects.get(objectName.getName());
        if (xobject instanceof PDXObjectImage) {
            try {
                PDXObjectImage image = (PDXObjectImage) xobject;
                SignaturePlaceholderData data = checkImage(image);
                if (data != null) {
                    PDPage page = getCurrentPage();
                    Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
                    int pageRotation = page.findRotation();
                    pageRotation = pageRotation % 360;
                    double rotationInRadians = Math.toRadians(pageRotation);//(page.findRotation() * Math.PI) / 180;

                    AffineTransform rotation = new AffineTransform();
                    rotation.setToRotation(rotationInRadians);
                    AffineTransform rotationInverse = rotation.createInverse();
                    Matrix rotationInverseMatrix = new Matrix();
                    rotationInverseMatrix.setFromAffineTransform(rotationInverse);
                    Matrix rotationMatrix = new Matrix();
                    rotationMatrix.setFromAffineTransform(rotation);

                    Matrix unrotatedCTM = ctm.multiply(rotationInverseMatrix);

                    float x = unrotatedCTM.getXPosition();
                    float yPos = unrotatedCTM.getYPosition();
                    float yScale = unrotatedCTM.getYScale();
                    float y = yPos + yScale;
                    float w = unrotatedCTM.getXScale();

                    logger.debug("Page height: {}", page.findCropBox().getHeight());
                    logger.debug("Page width: {}", page.findCropBox().getWidth());

                    if (pageRotation == 90) {
                        y = page.findCropBox().getWidth() - (y * (-1));
                    } else if (pageRotation == 180) {
                        x = page.findCropBox().getWidth() + x;
                        y = page.findCropBox().getHeight() - (y * (-1));
                    } else if (pageRotation == 270) {
                        x = page.findCropBox().getHeight() + x;
                    }/*  w  w w. j  a v  a2s  . c  om*/

                    String posString = "p:" + currentPage + ";x:" + x + ";y:" + y + ";w:" + w;

                    logger.debug("Found Placeholder at: {}", posString);
                    try {
                        data.setTablePos(new TablePos(posString));
                        data.setPlaceholderName(objectName.getName());
                        placeholders.add(data);
                    } catch (PdfAsException e) {
                        throw new WrappedIOException(e);
                    }
                }
            } catch (NoninvertibleTransformException e) {
                throw new WrappedIOException(e);
            }
        }
    } else {
        super.processOperator(operator, arguments);
    }
}

From source file:at.gv.egiz.pdfas.lib.impl.pdfbox2.placeholder.SignaturePlaceholderExtractor.java

License:EUPL

@Override
protected void processOperator(Operator operator, List<COSBase> arguments) throws IOException {
    String operation = operator.getName();
    if (operation.equals("Do")) {
        COSName objectName = (COSName) arguments.get(0);
        PDXObject xobject = (PDXObject) getResources().getXObject(objectName);
        if (xobject instanceof PDImageXObject) {
            try {
                PDImageXObject image = (PDImageXObject) xobject;
                SignaturePlaceholderData data = checkImage(image);
                if (data != null) {
                    PDPage page = getCurrentPage();
                    Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
                    int pageRotation = page.getRotation();
                    pageRotation = pageRotation % 360;
                    double rotationInRadians = Math.toRadians(pageRotation);//(page.findRotation() * Math.PI) / 180;

                    AffineTransform rotation = new AffineTransform();
                    rotation.setToRotation(rotationInRadians);
                    AffineTransform rotationInverse = rotation.createInverse();
                    Matrix rotationInverseMatrix = new Matrix();
                    rotationInverseMatrix.setFromAffineTransform(rotationInverse);
                    Matrix rotationMatrix = new Matrix();
                    rotationMatrix.setFromAffineTransform(rotation);

                    Matrix unrotatedCTM = ctm.multiply(rotationInverseMatrix);

                    float x = unrotatedCTM.getXPosition();
                    float yPos = unrotatedCTM.getYPosition();
                    float yScale = unrotatedCTM.getScaleY();
                    float y = yPos + yScale;
                    float w = unrotatedCTM.getScaleX();
                    ;//from w  ww  .ja v  a2 s.  co  m

                    logger.debug("Page height: {}", page.getCropBox().getHeight());
                    logger.debug("Page width: {}", page.getCropBox().getWidth());

                    if (pageRotation == 90) {
                        y = page.getCropBox().getWidth() - (y * (-1));
                    } else if (pageRotation == 180) {
                        x = page.getCropBox().getWidth() + x;
                        y = page.getCropBox().getHeight() - (y * (-1));
                    } else if (pageRotation == 270) {
                        x = page.getCropBox().getHeight() + x;
                    }

                    String posString = "p:" + currentPage + ";x:" + x + ";y:" + y + ";w:" + w;

                    logger.debug("Found Placeholder at: {}", posString);
                    try {
                        data.setTablePos(new TablePos(posString));
                        data.setPlaceholderName(objectName.getName());
                        placeholders.add(data);
                    } catch (PdfAsException e) {
                        throw new IOException();
                    }
                }
            } catch (NoninvertibleTransformException e) {
                throw new IOException(e);
            }
        }
    } else {
        super.processOperator(operator, arguments);
    }
}

From source file:chiliad.parser.pdf.extractor.vectorgraphics.operator.BeginInlineImage.java

License:Apache License

/**
 * process : BI : begin inline image./*from  ww w  . jav  a2s  . c  om*/
 *
 * @param operator The operator that is being executed.
 * @param arguments List
 * @throws IOException If there is an error displaying the inline image.
 */
@Override
public void process(PDFOperator operator, List<COSBase> arguments) throws IOException {
    VectorGraphicsExtractor extractor = (VectorGraphicsExtractor) context;
    PDPage page = extractor.getPage();
    //begin inline image object
    ImageParameters params = operator.getImageParameters();
    PDInlinedImage image = new PDInlinedImage();
    image.setImageParameters(params);
    image.setImageData(operator.getImageData());
    if (params.isStencil()) {
        //TODO implement inline image stencil masks 
        LOG.warn("Stencil masks are not implemented, background may be incorrect");
    }
    BufferedImage awtImage = image.createImage(context.getColorSpaces());

    if (awtImage == null) {
        LOG.warn("BeginInlineImage.process(): createImage returned NULL");
        return;
    }
    int imageWidth = awtImage.getWidth();
    int imageHeight = awtImage.getHeight();
    double pageHeight = extractor.getPageSize().getHeight();

    Matrix ctm = extractor.getGraphicsState().getCurrentTransformationMatrix();
    int pageRotation = page.findRotation();

    AffineTransform ctmAT = ctm.createAffineTransform();
    ctmAT.scale(1f / imageWidth, 1f / imageHeight);
    Matrix rotationMatrix = new Matrix();
    rotationMatrix.setFromAffineTransform(ctmAT);
    // calculate the inverse rotation angle
    // scaleX = m00 = cos
    // shearX = m01 = -sin
    // tan = sin/cos
    double angle = Math.atan(ctmAT.getShearX() / ctmAT.getScaleX());
    Matrix translationMatrix = null;
    if (pageRotation == 0 || pageRotation == 180) {
        translationMatrix = Matrix.getTranslatingInstance((float) (Math.sin(angle) * ctm.getXScale()),
                (float) (pageHeight - 2 * ctm.getYPosition() - Math.cos(angle) * ctm.getYScale()));
    } else if (pageRotation == 90 || pageRotation == 270) {
        translationMatrix = Matrix.getTranslatingInstance((float) (Math.sin(angle) * ctm.getYScale()),
                (float) (pageHeight - 2 * ctm.getYPosition()));
    }
    rotationMatrix = rotationMatrix.multiply(translationMatrix);
    rotationMatrix.setValue(0, 1, (-1) * rotationMatrix.getValue(0, 1));
    rotationMatrix.setValue(1, 0, (-1) * rotationMatrix.getValue(1, 0));
    AffineTransform at = new AffineTransform(rotationMatrix.getValue(0, 0), rotationMatrix.getValue(0, 1),
            rotationMatrix.getValue(1, 0), rotationMatrix.getValue(1, 1), rotationMatrix.getValue(2, 0),
            rotationMatrix.getValue(2, 1));
    extractor.drawImage(awtImage, at);
}

From source file:de.rototor.pdfbox.graphics2d.PdfBoxGraphics2DFontTextDrawer.java

License:Apache License

@Override
public void drawText(AttributedCharacterIterator iterator, IFontTextDrawerEnv env)
        throws IOException, FontFormatException {
    PDPageContentStream contentStream = env.getContentStream();

    contentStream.beginText();/*from www .  j  a v a 2  s.c  o  m*/

    Matrix textMatrix = new Matrix();
    textMatrix.scale(1, -1);
    contentStream.setTextMatrix(textMatrix);

    StringBuilder sb = new StringBuilder();
    boolean run = true;
    while (run) {

        Font attributeFont = (Font) iterator.getAttribute(TextAttribute.FONT);
        if (attributeFont == null)
            attributeFont = env.getFont();

        Number fontSize = ((Number) iterator.getAttribute(TextAttribute.SIZE));
        if (fontSize != null)
            attributeFont = attributeFont.deriveFont(fontSize.floatValue());
        PDFont font = applyFont(attributeFont, env);

        Paint paint = (Paint) iterator.getAttribute(TextAttribute.FOREGROUND);
        if (paint == null)
            paint = env.getPaint();

        /*
         * Apply the paint
         */
        env.applyPaint(paint);

        boolean isStrikeThrough = TextAttribute.STRIKETHROUGH_ON
                .equals(iterator.getAttribute(TextAttribute.STRIKETHROUGH));
        boolean isUnderline = TextAttribute.UNDERLINE_ON.equals(iterator.getAttribute(TextAttribute.UNDERLINE));
        boolean isLigatures = TextAttribute.LIGATURES_ON.equals(iterator.getAttribute(TextAttribute.LIGATURES));

        run = iterateRun(iterator, sb);
        String text = sb.toString();

        /*
         * If we force the text write we may encounter situations where the font can not
         * display the characters. PDFBox will throw an exception in this case. We will
         * just silently ignore the text and not display it instead.
         */
        try {
            showTextOnStream(env, contentStream, attributeFont, font, isStrikeThrough, isUnderline, isLigatures,
                    text);
        } catch (IllegalArgumentException e) {
            if (font instanceof PDType1Font && !font.isEmbedded()) {
                /*
                 * We tried to use a builtin default font, but it does not have the needed
                 * characters. So we use a embedded font as fallback.
                 */
                try {
                    if (fallbackFontUnknownEncodings == null)
                        fallbackFontUnknownEncodings = findFallbackFont(env);
                    if (fallbackFontUnknownEncodings != null) {
                        env.getContentStream().setFont(fallbackFontUnknownEncodings, attributeFont.getSize2D());
                        showTextOnStream(env, contentStream, attributeFont, fallbackFontUnknownEncodings,
                                isStrikeThrough, isUnderline, isLigatures, text);
                        e = null;
                    }
                } catch (IllegalArgumentException e1) {
                    e = e1;
                }
            }

            if (e != null)
                System.err.println("PDFBoxGraphics: Can not map text " + text + " with font "
                        + attributeFont.getFontName() + ": " + e.getMessage());
        }
    }
    contentStream.endText();
}

From source file:de.rototor.pdfbox.graphics2d.PdfBoxGraphics2DTestBase.java

License:Apache License

@SuppressWarnings("SpellCheckingInspection")
void exportGraphic(String dir, String name, GraphicsExporter exporter) {
    try {//from   w  w w .jav  a 2s  .co  m
        PDDocument document = new PDDocument();

        PDFont pdArial = PDFontFactory.createDefaultFont();

        File parentDir = new File("target/test/" + dir);
        // noinspection ResultOfMethodCallIgnored
        parentDir.mkdirs();

        BufferedImage image = new BufferedImage(400, 400, BufferedImage.TYPE_4BYTE_ABGR);
        Graphics2D imageGraphics = image.createGraphics();
        exporter.draw(imageGraphics);
        imageGraphics.dispose();
        ImageIO.write(image, "PNG", new File(parentDir, name + ".png"));

        for (Mode m : Mode.values()) {
            PDPage page = new PDPage(PDRectangle.A4);
            document.addPage(page);

            PDPageContentStream contentStream = new PDPageContentStream(document, page);
            PdfBoxGraphics2D pdfBoxGraphics2D = new PdfBoxGraphics2D(document, 400, 400);
            PdfBoxGraphics2DFontTextDrawer fontTextDrawer = null;
            contentStream.beginText();
            contentStream.setStrokingColor(0, 0, 0);
            contentStream.setNonStrokingColor(0, 0, 0);
            contentStream.setFont(PDType1Font.HELVETICA_BOLD, 15);
            contentStream.setTextMatrix(Matrix.getTranslateInstance(10, 800));
            contentStream.showText("Mode " + m);
            contentStream.endText();
            switch (m) {
            case FontTextIfPossible:
                fontTextDrawer = new PdfBoxGraphics2DFontTextDrawer();
                registerFots(fontTextDrawer);
                break;
            case DefaultFontText: {
                fontTextDrawer = new PdfBoxGraphics2DFontTextDrawerDefaultFonts();
                registerFots(fontTextDrawer);
                break;
            }
            case ForceFontText:
                fontTextDrawer = new PdfBoxGraphics2DFontTextForcedDrawer();
                registerFots(fontTextDrawer);
                fontTextDrawer.registerFont("Arial", pdArial);
                break;
            case DefaultVectorized:
            default:
                break;
            }

            if (fontTextDrawer != null) {
                pdfBoxGraphics2D.setFontTextDrawer(fontTextDrawer);
            }

            exporter.draw(pdfBoxGraphics2D);
            pdfBoxGraphics2D.dispose();

            PDFormXObject appearanceStream = pdfBoxGraphics2D.getXFormObject();
            Matrix matrix = new Matrix();
            matrix.translate(0, 20);
            contentStream.transform(matrix);
            contentStream.drawForm(appearanceStream);

            matrix.scale(1.5f, 1.5f);
            matrix.translate(0, 100);
            contentStream.transform(matrix);
            contentStream.drawForm(appearanceStream);
            contentStream.close();
        }

        document.save(new File(parentDir, name + ".pdf"));
        document.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}