Examples with PDRectangle com.tom_roush.pdfbox.pdmodel.common.PDRectangle used on opensource projects

Example 66 with PDRectangle

use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.

the class PDLinkAppearanceHandler method generateNormalAppearance.

@Override
public void generateNormalAppearance() {
    PDAnnotationLink annotation = (PDAnnotationLink) getAnnotation();
    if (annotation.getRectangle() == null) {
        // 660402-p1-AnnotationEmptyRect.pdf has /Rect entry with 0 elements
        return;
    }
    // Adobe doesn't generate an appearance for a link annotation
    float lineWidth = getLineWidth();
    PDAppearanceContentStream contentStream = null;
    try {
        contentStream = getNormalAppearanceAsContentStream();
        PDColor color = annotation.getColor();
        if (color == null) {
            // spec is unclear, but black is what Adobe does
            color = new PDColor(new float[] { 0 }, PDDeviceGray.INSTANCE);
        }
        boolean hasStroke = contentStream.setStrokingColorOnDemand(color);
        contentStream.setBorderLine(lineWidth, annotation.getBorderStyle(), annotation.getBorder());
        // Acrobat applies a padding to each side of the bbox so the line is completely within
        // the bbox.
        PDRectangle borderEdge = getPaddedRectangle(getRectangle(), lineWidth / 2);
        float[] pathsArray = annotation.getQuadPoints();
        if (pathsArray != null) {
            // QuadPoints shall be ignored if any coordinate in the array lies outside
            // the region specified by Rect.
            PDRectangle rect = annotation.getRectangle();
            for (int i = 0; i < pathsArray.length / 2; ++i) {
                if (!rect.contains(pathsArray[i * 2], pathsArray[i * 2 + 1])) {
                    Log.w("PdfBox-Android", "At least one /QuadPoints entry (" + pathsArray[i * 2] + ";" + pathsArray[i * 2 + 1] + ") is outside of rectangle, " + rect + ", /QuadPoints are ignored and /Rect is used instead");
                    pathsArray = null;
                    break;
                }
            }
        }
        if (pathsArray == null) {
            // Convert rectangle coordinates as if it was a /QuadPoints entry
            pathsArray = new float[8];
            pathsArray[0] = borderEdge.getLowerLeftX();
            pathsArray[1] = borderEdge.getLowerLeftY();
            pathsArray[2] = borderEdge.getUpperRightX();
            pathsArray[3] = borderEdge.getLowerLeftY();
            pathsArray[4] = borderEdge.getUpperRightX();
            pathsArray[5] = borderEdge.getUpperRightY();
            pathsArray[6] = borderEdge.getLowerLeftX();
            pathsArray[7] = borderEdge.getUpperRightY();
        }
        int of = 0;
        while (of + 7 < pathsArray.length) {
            if (annotation.getBorderStyle() != null && annotation.getBorderStyle().getStyle().equals(PDBorderStyleDictionary.STYLE_UNDERLINE)) {
                contentStream.moveTo(pathsArray[of], pathsArray[of + 1]);
                contentStream.lineTo(pathsArray[of + 2], pathsArray[of + 3]);
            } else {
                contentStream.moveTo(pathsArray[of], pathsArray[of + 1]);
                contentStream.lineTo(pathsArray[of + 2], pathsArray[of + 3]);
                contentStream.lineTo(pathsArray[of + 4], pathsArray[of + 5]);
                contentStream.lineTo(pathsArray[of + 6], pathsArray[of + 7]);
                contentStream.closePath();
            }
            of += 8;
        }
        contentStream.drawShape(lineWidth, hasStroke, false);
    } catch (IOException e) {
        Log.e("PdfBox-Android", e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(contentStream);
    }
}

Example 67 with PDRectangle

use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.

the class PDPolylineAppearanceHandler method generateNormalAppearance.

@Override
public void generateNormalAppearance() {
    PDAnnotationMarkup annotation = (PDAnnotationMarkup) getAnnotation();
    PDRectangle rect = annotation.getRectangle();
    float[] pathsArray = annotation.getVertices();
    if (pathsArray == null || pathsArray.length < 4) {
        return;
    }
    AnnotationBorder ab = AnnotationBorder.getAnnotationBorder(annotation, annotation.getBorderStyle());
    PDColor color = annotation.getColor();
    if (color == null || color.getComponents().length == 0 || Float.compare(ab.width, 0) == 0) {
        return;
    }
    // Adjust rectangle even if not empty
    // CTAN-example-Annotations.pdf and pdf_commenting_new.pdf p11
    // TODO in a class structure this should be overridable
    float minX = Float.MAX_VALUE;
    float minY = Float.MAX_VALUE;
    float maxX = Float.MIN_VALUE;
    float maxY = Float.MIN_VALUE;
    for (int i = 0; i < pathsArray.length / 2; ++i) {
        float x = pathsArray[i * 2];
        float y = pathsArray[i * 2 + 1];
        minX = Math.min(minX, x);
        minY = Math.min(minY, y);
        maxX = Math.max(maxX, x);
        maxY = Math.max(maxY, y);
    }
    // arrow length is 9 * width at about 30° => 10 * width seems to be enough
    rect.setLowerLeftX(Math.min(minX - ab.width * 10, rect.getLowerLeftX()));
    rect.setLowerLeftY(Math.min(minY - ab.width * 10, rect.getLowerLeftY()));
    rect.setUpperRightX(Math.max(maxX + ab.width * 10, rect.getUpperRightX()));
    rect.setUpperRightY(Math.max(maxY + ab.width * 10, rect.getUpperRightY()));
    annotation.setRectangle(rect);
    PDAppearanceContentStream cs = null;
    try {
        cs = getNormalAppearanceAsContentStream();
        boolean hasBackground = cs.setNonStrokingColorOnDemand(annotation.getInteriorColor());
        setOpacity(cs, annotation.getConstantOpacity());
        boolean hasStroke = cs.setStrokingColorOnDemand(color);
        if (ab.dashArray != null) {
            cs.setLineDashPattern(ab.dashArray, 0);
        }
        cs.setLineWidth(ab.width);
        for (int i = 0; i < pathsArray.length / 2; ++i) {
            float x = pathsArray[i * 2];
            float y = pathsArray[i * 2 + 1];
            if (i == 0) {
                if (SHORT_STYLES.contains(annotation.getStartPointEndingStyle())) {
                    // modify coordinate to shorten the segment
                    // https://stackoverflow.com/questions/7740507/extend-a-line-segment-a-specific-distance
                    float x1 = pathsArray[2];
                    float y1 = pathsArray[3];
                    float len = (float) (Math.sqrt(Math.pow(x - x1, 2) + Math.pow(y - y1, 2)));
                    if (Float.compare(len, 0) != 0) {
                        x += (x1 - x) / len * ab.width;
                        y += (y1 - y) / len * ab.width;
                    }
                }
                cs.moveTo(x, y);
            } else {
                if (i == pathsArray.length / 2 - 1 && SHORT_STYLES.contains(annotation.getEndPointEndingStyle())) {
                    // modify coordinate to shorten the segment
                    // https://stackoverflow.com/questions/7740507/extend-a-line-segment-a-specific-distance
                    float x0 = pathsArray[pathsArray.length - 4];
                    float y0 = pathsArray[pathsArray.length - 3];
                    float len = (float) (Math.sqrt(Math.pow(x0 - x, 2) + Math.pow(y0 - y, 2)));
                    if (Float.compare(len, 0) != 0) {
                        x -= (x - x0) / len * ab.width;
                        y -= (y - y0) / len * ab.width;
                    }
                }
                cs.lineTo(x, y);
            }
        }
        cs.stroke();
        // paint the styles here and after polyline draw, to avoid line crossing a filled shape
        if (!LE_NONE.equals(annotation.getStartPointEndingStyle())) {
            // check only needed to avoid q cm Q if LE_NONE
            float x2 = pathsArray[2];
            float y2 = pathsArray[3];
            float x1 = pathsArray[0];
            float y1 = pathsArray[1];
            cs.saveGraphicsState();
            if (ANGLED_STYLES.contains(annotation.getStartPointEndingStyle())) {
                double angle = Math.atan2(y2 - y1, x2 - x1);
                cs.transform(Matrix.getRotateInstance(angle, x1, y1));
            } else {
                cs.transform(Matrix.getTranslateInstance(x1, y1));
            }
            drawStyle(annotation.getStartPointEndingStyle(), cs, 0, 0, ab.width, hasStroke, hasBackground, false);
            cs.restoreGraphicsState();
        }
        if (!LE_NONE.equals(annotation.getEndPointEndingStyle())) {
            // check only needed to avoid q cm Q if LE_NONE
            float x1 = pathsArray[pathsArray.length - 4];
            float y1 = pathsArray[pathsArray.length - 3];
            float x2 = pathsArray[pathsArray.length - 2];
            float y2 = pathsArray[pathsArray.length - 1];
            // save / restore not needed because it's the last one
            if (ANGLED_STYLES.contains(annotation.getEndPointEndingStyle())) {
                double angle = Math.atan2(y2 - y1, x2 - x1);
                cs.transform(Matrix.getRotateInstance(angle, x2, y2));
            } else {
                cs.transform(Matrix.getTranslateInstance(x2, y2));
            }
            drawStyle(annotation.getEndPointEndingStyle(), cs, 0, 0, ab.width, hasStroke, hasBackground, true);
        }
    } catch (IOException ex) {
        Log.e("PdfBox-Android", ex.getMessage(), ex);
    } finally {
        IOUtils.closeQuietly(cs);
    }
}

Example 68 with PDRectangle

use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.

the class PDSquareAppearanceHandler method generateNormalAppearance.

@Override
public void generateNormalAppearance() {
    float lineWidth = getLineWidth();
    PDAnnotationSquareCircle annotation = (PDAnnotationSquareCircle) getAnnotation();
    PDAppearanceContentStream contentStream = null;
    try {
        contentStream = getNormalAppearanceAsContentStream();
        boolean hasStroke = contentStream.setStrokingColorOnDemand(getColor());
        boolean hasBackground = contentStream.setNonStrokingColorOnDemand(annotation.getInteriorColor());
        setOpacity(contentStream, annotation.getConstantOpacity());
        contentStream.setBorderLine(lineWidth, annotation.getBorderStyle(), annotation.getBorder());
        PDBorderEffectDictionary borderEffect = annotation.getBorderEffect();
        if (borderEffect != null && borderEffect.getStyle().equals(PDBorderEffectDictionary.STYLE_CLOUDY)) {
            CloudyBorder cloudyBorder = new CloudyBorder(contentStream, borderEffect.getIntensity(), lineWidth, getRectangle());
            cloudyBorder.createCloudyRectangle(annotation.getRectDifference());
            annotation.setRectangle(cloudyBorder.getRectangle());
            annotation.setRectDifference(cloudyBorder.getRectDifference());
            PDAppearanceStream appearanceStream = annotation.getNormalAppearanceStream();
            appearanceStream.setBBox(cloudyBorder.getBBox());
            appearanceStream.setMatrix(cloudyBorder.getMatrix());
        } else {
            PDRectangle borderBox = handleBorderBox(annotation, lineWidth);
            contentStream.addRect(borderBox.getLowerLeftX(), borderBox.getLowerLeftY(), borderBox.getWidth(), borderBox.getHeight());
        }
        contentStream.drawShape(lineWidth, hasStroke, hasBackground);
    } catch (IOException e) {
        Log.e("PdfBox-Android", e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(contentStream);
    }
}

Example 69 with PDRectangle

use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.

the class PDTextAppearanceHandler method drawHelp.

private void drawHelp(PDAnnotationText annotation, final PDAppearanceContentStream contentStream) throws IOException {
    PDRectangle bbox = adjustRectAndBBox(annotation, 20, 20);
    float min = Math.min(bbox.getWidth(), bbox.getHeight());
    contentStream.setMiterLimit(4);
    contentStream.setLineJoinStyle(1);
    contentStream.setLineCapStyle(0);
    // value from Adobe
    contentStream.setLineWidth(0.59f);
    // Adobe first fills a white circle with CA ca 0.6, so do we
    contentStream.saveGraphicsState();
    contentStream.setLineWidth(1);
    PDExtendedGraphicsState gs = new PDExtendedGraphicsState();
    gs.setAlphaSourceFlag(false);
    gs.setStrokingAlphaConstant(0.6f);
    gs.setNonStrokingAlphaConstant(0.6f);
    gs.setBlendMode(BlendMode.NORMAL);
    contentStream.setGraphicsStateParameters(gs);
    contentStream.setNonStrokingColor(1f);
    drawCircle2(contentStream, min / 2, min / 2, min / 2 - 1);
    contentStream.fill();
    contentStream.restoreGraphicsState();
    contentStream.saveGraphicsState();
    // rescale so that "?" fits into circle and move "?" to circle center
    // values gathered by trial and error
    contentStream.transform(Matrix.getScaleInstance(0.001f * min / 2.25f, 0.001f * min / 2.25f));
    contentStream.transform(Matrix.getTranslateInstance(500, 375));
    // we get the shape of an Helvetica bold "?" and use that one.
    // Adobe uses a different font (which one?), or created the shape from scratch.
    Path path = PDType1Font.HELVETICA_BOLD.getPath("question");
    addPath(contentStream, path);
    contentStream.restoreGraphicsState();
    // draw the outer circle counterclockwise to fill area between circle and "?"
    drawCircle2(contentStream, min / 2, min / 2, min / 2 - 1);
    contentStream.fillAndStroke();
}

Example 70 with PDRectangle

use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.

the class PDTextAppearanceHandler method adjustRectAndBBox.

private PDRectangle adjustRectAndBBox(PDAnnotationText annotation, float width, float height) {
    // For /Note (other types have different values):
    // Adobe takes the left upper bound as anchor, and adjusts the rectangle to 18 x 20.
    // Observed with files 007071.pdf, 038785.pdf, 038787.pdf,
    // but not with 047745.pdf p133 and 084374.pdf p48, both have the NoZoom flag.
    // there the BBox is also set to fixed values, but the rectangle is left untouched.
    // When no flags are there, Adobe sets /F 24 = NoZoom NoRotate.
    PDRectangle rect = getRectangle();
    PDRectangle bbox;
    if (!annotation.isNoZoom()) {
        rect.setUpperRightX(rect.getLowerLeftX() + width);
        rect.setLowerLeftY(rect.getUpperRightY() - height);
        annotation.setRectangle(rect);
    }
    if (!annotation.getCOSObject().containsKey(COSName.F)) {
        // We set these flags because Adobe does so, but PDFBox doesn't support them when rendering.
        annotation.setNoRotate(true);
        annotation.setNoZoom(true);
    }
    bbox = new PDRectangle(width, height);
    annotation.getNormalAppearanceStream().setBBox(bbox);
    return bbox;
}