use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.
the class PDTextAppearanceHandler method drawInsert.
private void drawInsert(PDAnnotationText annotation, final PDAppearanceContentStream contentStream) throws IOException {
PDRectangle bbox = adjustRectAndBBox(annotation, 17, 20);
contentStream.setMiterLimit(4);
contentStream.setLineJoinStyle(0);
contentStream.setLineCapStyle(0);
// value from Adobe
contentStream.setLineWidth(0.59f);
contentStream.moveTo(bbox.getWidth() / 2 - 1, bbox.getHeight() - 2);
contentStream.lineTo(1, 1);
contentStream.lineTo(bbox.getWidth() - 2, 1);
contentStream.closeAndFillAndStroke();
}
use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.
the class PDTextAppearanceHandler method drawParagraph.
private void drawParagraph(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 / 3, 0.001f * min / 3));
contentStream.transform(Matrix.getTranslateInstance(850, 900));
// we get the shape of an Helvetica "?" and use that one.
// Adobe uses a different font (which one?), or created the shape from scratch.
Path path = PDType1Font.HELVETICA.getPath("paragraph");
addPath(contentStream, path);
contentStream.restoreGraphicsState();
contentStream.fillAndStroke();
drawCircle(contentStream, min / 2, min / 2, min / 2 - 1);
contentStream.stroke();
}
use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.
the class PDTextAppearanceHandler method drawRightArrow.
private void drawRightArrow(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 the glyph fits into circle and move it to circle center
// values gathered by trial and error
contentStream.transform(Matrix.getScaleInstance(0.001f * min / 1.3f, 0.001f * min / 1.3f));
contentStream.transform(Matrix.getTranslateInstance(200, 300));
// we get the shape of a Zapf Dingbats right arrow (0x2794) and use that one.
// Adobe uses a different font (which one?), or created the shape from scratch.
Path path = PDType1Font.ZAPF_DINGBATS.getPath("a160");
addPath(contentStream, path);
contentStream.restoreGraphicsState();
// surprisingly, this one not counterclockwise.
drawCircle(contentStream, min / 2, min / 2, min / 2 - 1);
contentStream.fillAndStroke();
}
use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.
the class PDUnderlineAppearanceHandler method generateNormalAppearance.
@Override
public void generateNormalAppearance() {
PDAnnotationTextMarkup annotation = (PDAnnotationTextMarkup) getAnnotation();
PDRectangle rect = annotation.getRectangle();
float[] pathsArray = annotation.getQuadPoints();
if (pathsArray == null) {
return;
}
AnnotationBorder ab = AnnotationBorder.getAnnotationBorder(annotation, annotation.getBorderStyle());
PDColor color = annotation.getColor();
if (color == null || color.getComponents().length == 0) {
return;
}
if (Float.compare(ab.width, 0) == 0) {
// value found in adobe reader
ab.width = 1.5f;
}
// Adjust rectangle even if not empty, see PLPDF.com-MarkupAnnotations.pdf
// TODO in a class structure this should be overridable
// this is similar to polyline but different data type
// all coordinates (unlike painting) are used because I'm lazy
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);
}
rect.setLowerLeftX(Math.min(minX - ab.width / 2, rect.getLowerLeftX()));
rect.setLowerLeftY(Math.min(minY - ab.width / 2, rect.getLowerLeftY()));
rect.setUpperRightX(Math.max(maxX + ab.width / 2, rect.getUpperRightX()));
rect.setUpperRightY(Math.max(maxY + ab.width / 2, rect.getUpperRightY()));
annotation.setRectangle(rect);
PDAppearanceContentStream cs = null;
try {
cs = getNormalAppearanceAsContentStream();
setOpacity(cs, annotation.getConstantOpacity());
cs.setStrokingColor(color);
if (ab.dashArray != null) {
cs.setLineDashPattern(ab.dashArray, 0);
}
cs.setLineWidth(ab.width);
// https://stackoverflow.com/questions/9855814/pdf-spec-vs-acrobat-creation-quadpoints
for (int i = 0; i < pathsArray.length / 8; ++i) {
// Adobe doesn't use the lower coordinate for the line, it uses lower + delta / 7.
// do the math for diagonal annotations with this weird old trick:
// https://stackoverflow.com/questions/7740507/extend-a-line-segment-a-specific-distance
float len0 = (float) (Math.sqrt(Math.pow(pathsArray[i * 8] - pathsArray[i * 8 + 4], 2) + Math.pow(pathsArray[i * 8 + 1] - pathsArray[i * 8 + 5], 2)));
float x0 = pathsArray[i * 8 + 4];
float y0 = pathsArray[i * 8 + 5];
if (Float.compare(len0, 0) != 0) {
// only if both coordinates are not identical to avoid divide by zero
x0 += (pathsArray[i * 8] - pathsArray[i * 8 + 4]) / len0 * len0 / 7;
y0 += (pathsArray[i * 8 + 1] - pathsArray[i * 8 + 5]) / len0 * (len0 / 7);
}
float len1 = (float) (Math.sqrt(Math.pow(pathsArray[i * 8 + 2] - pathsArray[i * 8 + 6], 2) + Math.pow(pathsArray[i * 8 + 3] - pathsArray[i * 8 + 7], 2)));
float x1 = pathsArray[i * 8 + 6];
float y1 = pathsArray[i * 8 + 7];
if (Float.compare(len1, 0) != 0) {
// only if both coordinates are not identical to avoid divide by zero
x1 += (pathsArray[i * 8 + 2] - pathsArray[i * 8 + 6]) / len1 * len1 / 7;
y1 += (pathsArray[i * 8 + 3] - pathsArray[i * 8 + 7]) / len1 * len1 / 7;
}
cs.moveTo(x0, y0);
cs.lineTo(x1, y1);
}
cs.stroke();
} catch (IOException ex) {
Log.e("PdfBox-Android", ex.getMessage(), ex);
} finally {
IOUtils.closeQuietly(cs);
}
}
use of com.tom_roush.pdfbox.pdmodel.common.PDRectangle in project PdfBox-Android by TomRoush.
the class PDAnnotation method getRectangle.
/**
* The annotation rectangle, defining the location of the annotation on the page in default user space units. This
* is usually required and should not return null on valid PDF documents. But where this is a parent form field with
* children, such as radio button collections then the rectangle will be null.
*
* @return The Rect value of this annotation.
*/
public PDRectangle getRectangle() {
COSArray rectArray = (COSArray) dictionary.getDictionaryObject(COSName.RECT);
PDRectangle rectangle = null;
if (rectArray != null) {
if (rectArray.size() == 4 && rectArray.getObject(0) instanceof COSNumber && rectArray.getObject(1) instanceof COSNumber && rectArray.getObject(2) instanceof COSNumber && rectArray.getObject(3) instanceof COSNumber) {
rectangle = new PDRectangle(rectArray);
} else {
Log.w("PdfBox-Android", rectArray + " is not a rectangle array, returning null");
}
}
return rectangle;
}
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