List of usage examples for org.apache.pdfbox.util Matrix setValue
public void setValue(int row, int column, float value)
From source file:PrintImageLocations.java
License:Apache License
protected void processOperator(PDFOperator operator, List arguments) throws IOException { String operation = operator.getOperation(); if (INVOKE_OPERATOR.equals(operation)) { COSName objectName = (COSName) arguments.get(0); Map<String, PDXObject> xobjects = getResources().getXObjects(); PDXObject xobject = (PDXObject) xobjects.get(objectName.getName()); if (xobject instanceof PDXObjectImage) { PDXObjectImage image = (PDXObjectImage) xobject; PDPage page = getCurrentPage(); int imageWidth = image.getWidth(); int imageHeight = image.getHeight(); double pageHeight = page.getMediaBox().getHeight(); flagimg = true;//from w w w . j a va 2s . c o m System.out.println("*******************************************************************"); System.out.println("Found image [" + objectName.getName() + "]"); Matrix ctmNew = getGraphicsState().getCurrentTransformationMatrix(); float yScaling = ctmNew.getYScale(); float angle = (float) Math.acos(ctmNew.getValue(0, 0) / ctmNew.getXScale()); if (ctmNew.getValue(0, 1) < 0 && ctmNew.getValue(1, 0) > 0) { angle = (-1) * angle; } ctmNew.setValue(2, 1, (float) (pageHeight - ctmNew.getYPosition() - Math.cos(angle) * yScaling)); ctmNew.setValue(2, 0, (float) (ctmNew.getXPosition() - Math.sin(angle) * yScaling)); // because of the moved 0,0-reference, we have to shear in the opposite direction ctmNew.setValue(0, 1, (-1) * ctmNew.getValue(0, 1)); ctmNew.setValue(1, 0, (-1) * ctmNew.getValue(1, 0)); AffineTransform ctmAT = ctmNew.createAffineTransform(); ctmAT.scale(1f / imageWidth, 1f / imageHeight); float imageXScale = ctmNew.getXScale(); float imageYScale = ctmNew.getYScale(); System.out.println("position = " + ctmNew.getXPosition() + ", " + ctmNew.getYPosition()); fl[i] = ctmNew.getYPosition();//important xxx[i] = ctmNew.getXPosition(); System.out.println("y value is " + fl[i]); // size in pixel System.out.println("size = " + imageWidth + "px, " + imageHeight + "px"); // size in page units System.out.println("size = " + imageXScale + ", " + imageYScale); // size in inches imageXScale /= 72; imageYScale /= 72; System.out.println("size = " + imageXScale + "in, " + imageYScale + "in"); // size in millimeter imageXScale *= 25.4; imageYScale *= 25.4; System.out.println("size = " + imageXScale + "mm, " + imageYScale + "mm"); widtharray[i] = (imageXScale / 10); heightarray[i] = (imageYScale / 10); i++; System.out.println(); } else if (xobject instanceof PDXObjectForm) { // save the graphics state getGraphicsStack().push((PDGraphicsState) getGraphicsState().clone()); PDPage page = getCurrentPage(); PDXObjectForm form = (PDXObjectForm) xobject; COSStream invoke = (COSStream) form.getCOSObject(); PDResources pdResources = form.getResources(); if (pdResources == null) { pdResources = page.findResources(); } // if there is an optional form matrix, we have to // map the form space to the user space Matrix matrix = form.getMatrix(); if (matrix != null) { Matrix xobjectCTM = matrix.multiply(getGraphicsState().getCurrentTransformationMatrix()); getGraphicsState().setCurrentTransformationMatrix(xobjectCTM); } processSubStream(page, pdResources, invoke); // restore the graphics state setGraphicsState((PDGraphicsState) getGraphicsStack().pop()); } } 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 w w w . ja v a2 s.com * * @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:chiliad.parser.pdf.extractor.vectorgraphics.operator.Invoke.java
License:Apache License
/** * process : Do : Paint the specified XObject (section 4.7). * * @param operator The operator that is being executed. * @param arguments List/*from w ww. j a va2 s . c om*/ * @throws IOException If there is an error invoking the sub object. */ @Override public void process(PDFOperator operator, List<COSBase> arguments) throws IOException { VectorGraphicsExtractor extractor = (VectorGraphicsExtractor) context; PDPage page = extractor.getPage(); COSName objectName = (COSName) arguments.get(0); Map<String, PDXObject> xobjects = extractor.getResources().getXObjects(); PDXObject xobject = (PDXObject) xobjects.get(objectName.getName()); if (xobject == null) { LOG.warn("Can't find the XObject for '" + objectName.getName() + "'"); } else if (xobject instanceof PDXObjectImage) { PDXObjectImage image = (PDXObjectImage) xobject; try { if (image.getImageMask()) { // set the current non stroking colorstate, so that it can // be used to create a stencil masked image image.setStencilColor(extractor.getGraphicsState().getNonStrokingColor()); } BufferedImage awtImage = image.getRGBImage(); if (awtImage == null) { LOG.warn("getRGBImage returned NULL"); return;//TODO PKOCH } int imageWidth = awtImage.getWidth(); int imageHeight = awtImage.getHeight(); double pageHeight = extractor.getPageSize().getHeight(); LOG.debug("imageWidth: " + imageWidth + "\t\timageHeight: " + imageHeight); Matrix ctm = extractor.getGraphicsState().getCurrentTransformationMatrix(); float yScaling = ctm.getYScale(); float angle = (float) Math.acos(ctm.getValue(0, 0) / ctm.getXScale()); if (ctm.getValue(0, 1) < 0 && ctm.getValue(1, 0) > 0) { angle = (-1) * angle; } ctm.setValue(2, 1, (float) (pageHeight - ctm.getYPosition() - Math.cos(angle) * yScaling)); ctm.setValue(2, 0, (float) (ctm.getXPosition() - Math.sin(angle) * yScaling)); // because of the moved 0,0-reference, we have to shear in the opposite direction ctm.setValue(0, 1, (-1) * ctm.getValue(0, 1)); ctm.setValue(1, 0, (-1) * ctm.getValue(1, 0)); AffineTransform ctmAT = ctm.createAffineTransform(); ctmAT.scale(1f / imageWidth, 1f / imageHeight); extractor.drawImage(awtImage, ctmAT); } catch (Exception e) { LOG.error(e, e); } } else if (xobject instanceof PDXObjectForm) { // save the graphics state context.getGraphicsStack().push((PDGraphicsState) context.getGraphicsState().clone()); PDXObjectForm form = (PDXObjectForm) xobject; COSStream formContentstream = form.getCOSStream(); // find some optional resources, instead of using the current resources PDResources pdResources = form.getResources(); // if there is an optional form matrix, we have to map the form space to the user space Matrix matrix = form.getMatrix(); if (matrix != null) { Matrix xobjectCTM = matrix.multiply(context.getGraphicsState().getCurrentTransformationMatrix()); context.getGraphicsState().setCurrentTransformationMatrix(xobjectCTM); } if (form.getBBox() != null) { PDGraphicsState graphicsState = context.getGraphicsState(); PDRectangle bBox = form.getBBox(); float x1 = bBox.getLowerLeftX(); float y1 = bBox.getLowerLeftY(); float x2 = bBox.getUpperRightX(); float y2 = bBox.getUpperRightY(); Point2D p0 = extractor.transformedPoint(x1, y1); Point2D p1 = extractor.transformedPoint(x2, y1); Point2D p2 = extractor.transformedPoint(x2, y2); Point2D p3 = extractor.transformedPoint(x1, y2); GeneralPath bboxPath = new GeneralPath(); bboxPath.moveTo((float) p0.getX(), (float) p0.getY()); bboxPath.lineTo((float) p1.getX(), (float) p1.getY()); bboxPath.lineTo((float) p2.getX(), (float) p2.getY()); bboxPath.lineTo((float) p3.getX(), (float) p3.getY()); bboxPath.closePath(); Area resultClippingArea = new Area(graphicsState.getCurrentClippingPath()); Area newArea = new Area(bboxPath); resultClippingArea.intersect(newArea); graphicsState.setCurrentClippingPath(resultClippingArea); } getContext().processSubStream(page, pdResources, formContentstream); // restore the graphics state context.setGraphicsState((PDGraphicsState) context.getGraphicsStack().pop()); } }
From source file:edu.umass.cs.iesl.pdf2meta.cli.extract.pdfbox.pagedrawer.BeginInlineImage.java
License:Apache License
/** * process : BI : begin inline image.//from w w w .jav a2 s . c o m * @param operator The operator that is being executed. * @param arguments List * @throws java.io.IOException If there is an error displaying the inline image. */ public void process(PDFOperator operator, List<COSBase> arguments) throws IOException { GraphicsAwarePDFStreamEngine drawer = (GraphicsAwarePDFStreamEngine) context; PDPage page = drawer.getPage(); //begin inline image object ImageParameters params = operator.getImageParameters(); PDInlinedImage image = new PDInlinedImage(); image.setImageParameters(params); image.setImageData(operator.getImageData()); 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 = drawer.getPageSize().getHeight(); Matrix ctm = drawer.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)); drawer.drawImage(awtImage, at); }
From source file:edu.umass.cs.iesl.pdf2meta.cli.extract.pdfbox.pagedrawer.Invoke.java
License:Apache License
/** * process : Do : Paint the specified XObject (section 4.7). * @param operator The operator that is being executed. * @param arguments List/* w w w . j a va 2 s.com*/ * @throws java.io.IOException If there is an error invoking the sub object. */ public void process(PDFOperator operator, List<COSBase> arguments) throws IOException { GraphicsAwarePDFStreamEngine drawer = (GraphicsAwarePDFStreamEngine) context; PDPage page = drawer.getPage(); COSName objectName = (COSName) arguments.get(0); Map xobjects = drawer.getResources().getXObjects(); PDXObject xobject = (PDXObject) xobjects.get(objectName.getName()); if (xobject == null) { log.warn("Can't find the XObject for '" + objectName.getName() + "'"); } else if (xobject instanceof PDXObjectImage) { PDXObjectImage image = (PDXObjectImage) xobject; try { image.setGraphicsState(drawer.getGraphicsState()); BufferedImage awtImage = image.getRGBImage(); if (awtImage == null) { log.warn("getRGBImage returned NULL"); return;//TODO PKOCH } int imageWidth = awtImage.getWidth(); int imageHeight = awtImage.getHeight(); double pageHeight = drawer.getPageSize().getHeight(); log.debug("imageWidth: " + imageWidth + "\t\timageHeight: " + imageHeight); Matrix ctm = drawer.getGraphicsState().getCurrentTransformationMatrix(); float yScaling = ctm.getYScale(); float angle = (float) Math.acos(ctm.getValue(0, 0) / ctm.getXScale()); if (ctm.getValue(0, 1) < 0 && ctm.getValue(1, 0) > 0) angle = (-1) * angle; ctm.setValue(2, 1, (float) (pageHeight - ctm.getYPosition() - Math.cos(angle) * yScaling)); ctm.setValue(2, 0, (float) (ctm.getXPosition() - Math.sin(angle) * yScaling)); // because of the moved 0,0-reference, we have to shear in the opposite direction ctm.setValue(0, 1, (-1) * ctm.getValue(0, 1)); ctm.setValue(1, 0, (-1) * ctm.getValue(1, 0)); AffineTransform ctmAT = ctm.createAffineTransform(); ctmAT.scale(1f / imageWidth, 1f / imageHeight); drawer.drawImage(awtImage, ctmAT); } catch (Exception e) { e.printStackTrace(); log.error(e, e); } } else if (xobject instanceof PDXObjectForm) { // save the graphics state context.getGraphicsStack().push((PDGraphicsState) context.getGraphicsState().clone()); PDXObjectForm form = (PDXObjectForm) xobject; COSStream invoke = (COSStream) form.getCOSObject(); PDResources pdResources = form.getResources(); if (pdResources == null) { pdResources = page.findResources(); } // if there is an optional form matrix, we have to // map the form space to the user space Matrix matrix = form.getMatrix(); if (matrix != null) { Matrix xobjectCTM = matrix.multiply(context.getGraphicsState().getCurrentTransformationMatrix()); context.getGraphicsState().setCurrentTransformationMatrix(xobjectCTM); } getContext().processSubStream(page, pdResources, invoke); // restore the graphics state context.setGraphicsState((PDGraphicsState) context.getGraphicsStack().pop()); } }
From source file:function.PrintImageLocations.java
License:Apache License
/** * This is used to handle an operation.//from w w w. j a v a2s .c o m * * @param operator The operation to perform. * @param arguments The list of arguments. * * @throws IOException If there is an error processing the operation. */ protected void processOperator(PDFOperator operator, List arguments) throws IOException { String operation = operator.getOperation(); if (INVOKE_OPERATOR.equals(operation)) { COSName objectName = (COSName) arguments.get(0); Map<String, PDXObject> xobjects = getResources().getXObjects(); PDXObject xobject = (PDXObject) xobjects.get(objectName.getName()); if (xobject instanceof PDXObjectImage) { PDXObjectImage image = (PDXObjectImage) xobject; PDPage page = getCurrentPage(); int imageWidth = image.getWidth(); int imageHeight = image.getHeight(); double pageHeight = page.getMediaBox().getHeight(); //System.out.println("*******************************************************************"); System.out.println("Found image [" + objectName.getName() + "]"); Matrix ctmNew = getGraphicsState().getCurrentTransformationMatrix(); float yScaling = ctmNew.getYScale(); float angle = (float) Math.acos(ctmNew.getValue(0, 0) / ctmNew.getXScale()); if (ctmNew.getValue(0, 1) < 0 && ctmNew.getValue(1, 0) > 0) { angle = (-1) * angle; } ctmNew.setValue(2, 1, (float) (pageHeight - ctmNew.getYPosition() - Math.cos(angle) * yScaling)); ctmNew.setValue(2, 0, (float) (ctmNew.getXPosition() - Math.sin(angle) * yScaling)); // because of the moved 0,0-reference, we have to shear in the opposite direction ctmNew.setValue(0, 1, (-1) * ctmNew.getValue(0, 1)); ctmNew.setValue(1, 0, (-1) * ctmNew.getValue(1, 0)); AffineTransform ctmAT = ctmNew.createAffineTransform(); ctmAT.scale(1f / imageWidth, 1f / imageHeight); float imageXScale = ctmNew.getXScale(); float imageYScale = ctmNew.getYScale(); System.out.println("position = " + ctmNew.getXPosition() + ", " + ctmNew.getYPosition()); // size in pixel System.out.println("size = " + imageWidth + "px, " + imageHeight + "px"); // size in page units System.out.println("size = " + imageXScale + ", " + imageYScale); // size in inches imageXScale /= 72; imageYScale /= 72; System.out.println("size = " + imageXScale + "in, " + imageYScale + "in"); // size in millimeter imageXScale *= 25.4; imageYScale *= 25.4; System.out.println("size = " + imageXScale + "mm, " + imageYScale + "mm"); System.out.println(); System.out.printf("dpi = %.0f dpi (X), %.0f dpi (Y) %n", image.getWidth() * 72 / ctmNew.getXScale(), image.getHeight() * 72 / ctmNew.getYScale()); } else if (xobject instanceof PDXObjectForm) { // save the graphics state getGraphicsStack().push((PDGraphicsState) getGraphicsState().clone()); PDPage page = getCurrentPage(); PDXObjectForm form = (PDXObjectForm) xobject; COSStream invoke = (COSStream) form.getCOSObject(); PDResources pdResources = form.getResources(); if (pdResources == null) { pdResources = page.findResources(); } // if there is an optional form matrix, we have to // map the form space to the user space Matrix matrix = form.getMatrix(); if (matrix != null) { Matrix xobjectCTM = matrix.multiply(getGraphicsState().getCurrentTransformationMatrix()); getGraphicsState().setCurrentTransformationMatrix(xobjectCTM); } processSubStream(page, pdResources, invoke); // restore the graphics state setGraphicsState((PDGraphicsState) getGraphicsStack().pop()); } } else { super.processOperator(operator, arguments); } }
From source file:net.timendum.pdf.Images2HTML.java
License:Open Source License
@Override protected void processOperator(PDFOperator operator, List arguments) throws IOException { String operation = operator.getOperation(); if (INVOKE_OPERATOR.equals(operation)) { COSName objectName = (COSName) arguments.get(0); Map<String, PDXObject> xobjects = getResources().getXObjects(); PDXObject xobject = xobjects.get(objectName.getName()); if (xobject instanceof PDXObjectImage) { PDXObjectImage image = (PDXObjectImage) xobject; PDPage page = getCurrentPage(); int imageWidth = image.getWidth(); int imageHeight = image.getHeight(); double pageHeight = page.getMediaBox().getHeight(); Matrix ctmNew = getGraphicsState().getCurrentTransformationMatrix(); float yScaling = ctmNew.getYScale(); float angle = (float) Math.acos(ctmNew.getValue(0, 0) / ctmNew.getXScale()); if (ctmNew.getValue(0, 1) < 0 && ctmNew.getValue(1, 0) > 0) { angle = (-1) * angle;//from w w w. j av a 2s . c o m } ctmNew.setValue(2, 1, (float) (pageHeight - ctmNew.getYPosition() - Math.cos(angle) * yScaling)); ctmNew.setValue(2, 0, (float) (ctmNew.getXPosition() - Math.sin(angle) * yScaling)); // because of the moved 0,0-reference, we have to shear in the opposite direction ctmNew.setValue(0, 1, (-1) * ctmNew.getValue(0, 1)); ctmNew.setValue(1, 0, (-1) * ctmNew.getValue(1, 0)); AffineTransform ctmAT = ctmNew.createAffineTransform(); ctmAT.scale(1f / imageWidth, 1f / imageHeight); Image entry = new Image(); entry.x = ctmNew.getXPosition(); entry.image = image; entry.name = objectName.getName(); images.put(page, ctmNew.getYPosition(), entry); } else if (xobject instanceof PDXObjectForm) { // save the graphics state getGraphicsStack().push((PDGraphicsState) getGraphicsState().clone()); PDPage page = getCurrentPage(); PDXObjectForm form = (PDXObjectForm) xobject; COSStream invoke = (COSStream) form.getCOSObject(); PDResources pdResources = form.getResources(); if (pdResources == null) { pdResources = page.findResources(); } // if there is an optional form matrix, we have to // map the form space to the user space Matrix matrix = form.getMatrix(); if (matrix != null) { Matrix xobjectCTM = matrix.multiply(getGraphicsState().getCurrentTransformationMatrix()); getGraphicsState().setCurrentTransformationMatrix(xobjectCTM); } processSubStream(page, pdResources, invoke); // restore the graphics state setGraphicsState(getGraphicsStack().pop()); } } else { super.processOperator(operator, arguments); } }
From source file:org.apache.pdflens.views.pagesview.PageDrawer.java
License:Apache License
/** * You should override this method if you want to perform an action when a * text is being processed. /*from w w w .j av a 2s .co m*/ * * @param text The text to process */ protected void processTextPosition(TextPosition text) { //should use colorspaces for the font color but for now assume that //the font color is black try { if (this.getGraphicsState().getTextState().getRenderingMode() == PDTextState.RENDERING_MODE_FILL_TEXT) { graphics.setColor(this.getGraphicsState().getNonStrokingColor().getJavaColor()); } else if (this.getGraphicsState().getTextState() .getRenderingMode() == PDTextState.RENDERING_MODE_STROKE_TEXT) { graphics.setColor(this.getGraphicsState().getStrokingColor().getJavaColor()); } else { // TODO : need to implement.... log.warn("Unsupported RenderingMode " + this.getGraphicsState().getTextState().getRenderingMode() + " in PageDrawer.processTextPosition()." + " Using RenderingMode " + PDTextState.RENDERING_MODE_FILL_TEXT + " instead"); graphics.setColor(this.getGraphicsState().getNonStrokingColor().getJavaColor()); } PDFont font = text.getFont(); Matrix textPos = text.getTextPos().copy(); float x = textPos.getXPosition(); // the 0,0-reference has to be moved from the lower left (PDF) to the upper left (AWT-graphics) float y = pageSize.height - textPos.getYPosition(); // Set translation to 0,0. We only need the scaling and shearing textPos.setValue(2, 0, 0); textPos.setValue(2, 1, 0); // because of the moved 0,0-reference, we have to shear in the opposite direction textPos.setValue(0, 1, (-1) * textPos.getValue(0, 1)); textPos.setValue(1, 0, (-1) * textPos.getValue(1, 0)); AffineTransform at = textPos.createAffineTransform(); graphics.setClip(getGraphicsState().getCurrentClippingPath()); font.drawString(text.getCharacter(), graphics, text.getFontSize(), at, x, y); } catch (IOException io) { io.printStackTrace(); } }
From source file:org.elacin.pdfextract.datasource.pdfbox.PDFBoxIntegration.java
License:Apache License
/** * Old version/* www . j a v a 2 s . c o m*/ */ public void processEncodedText(@NotNull byte[] string) throws IOException { /* * Note on variable names. There are three different units being used * in this code. Character sizes are given in glyph units, text locations * are initially given in text units, and we want to save the data in * display units. The variable names should end with Text or Disp to * represent if the values are in text or disp units (no glyph units are saved). */ final float fontSizeText = getGraphicsState().getTextState().getFontSize(); final float horizontalScalingText = getGraphicsState().getTextState().getHorizontalScalingPercent() / 100f; // float verticalScalingText = horizontalScaling;//not sure if this is right but what else to // do??? final float riseText = getGraphicsState().getTextState().getRise(); final float wordSpacingText = getGraphicsState().getTextState().getWordSpacing(); final float characterSpacingText = getGraphicsState().getTextState().getCharacterSpacing(); /* * We won't know the actual number of characters until * we process the byte data(could be two bytes each) but * it won't ever be more than string.length*2(there are some cases * were a single byte will result in two output characters "fi" */ final PDFont font = getGraphicsState().getTextState().getFont(); /* * This will typically be 1000 but in the case of a type3 font this might be a different * number */ final float glyphSpaceToTextSpaceFactor; if (font instanceof PDType3Font) { PDMatrix fontMatrix = font.getFontMatrix(); float fontMatrixXScaling = fontMatrix.getValue(0, 0); glyphSpaceToTextSpaceFactor = 1.0f / fontMatrixXScaling; } else { glyphSpaceToTextSpaceFactor = /* 1.0f / */ 1000f; } float spaceWidthText = 0.0F; try { spaceWidthText = (font.getFontWidth(SPACE_BYTES, 0, 1) / glyphSpaceToTextSpaceFactor); } catch (Throwable exception) { log.warn(exception, exception); } if (spaceWidthText == 0.0F) { spaceWidthText = (font.getAverageFontWidth() / glyphSpaceToTextSpaceFactor); spaceWidthText *= .80f; } /* Convert textMatrix to display units */ final Matrix initialMatrix = new Matrix(); initialMatrix.setValue(0, 0, 1.0F); initialMatrix.setValue(0, 1, 0.0F); initialMatrix.setValue(0, 2, 0.0F); initialMatrix.setValue(1, 0, 0.0F); initialMatrix.setValue(1, 1, 1.0F); initialMatrix.setValue(1, 2, 0.0F); initialMatrix.setValue(2, 0, 0.0F); initialMatrix.setValue(2, 1, riseText); initialMatrix.setValue(2, 2, 1.0F); final Matrix ctm = getGraphicsState().getCurrentTransformationMatrix(); final Matrix dispMatrix = initialMatrix.multiply(ctm); Matrix textMatrixStDisp = getTextMatrix().multiply(dispMatrix); final float xScaleDisp = textMatrixStDisp.getXScale(); final float yScaleDisp = textMatrixStDisp.getYScale(); final float spaceWidthDisp = spaceWidthText * xScaleDisp * fontSizeText; final float wordSpacingDisp = wordSpacingText * xScaleDisp * fontSizeText; float maxVerticalDisplacementText = 0.0F; StringBuilder characterBuffer = new StringBuilder(string.length); int codeLength = 1; for (int i = 0; i < string.length; i += codeLength) { // Decode the value to a Unicode character codeLength = 1; String c = font.encode(string, i, codeLength); if ((c == null) && (i + 1 < string.length)) { // maybe a multibyte encoding codeLength++; c = font.encode(string, i, codeLength); } c = inspectFontEncoding(c); // todo, handle horizontal displacement // get the width and height of this character in text units float fontWidth = font.getFontWidth(string, i, codeLength) * 0.95f; if (fontWidth == 0.0f) { fontWidth = spaceWidthDisp; } float characterHorizontalDisplacementText = (fontWidth / glyphSpaceToTextSpaceFactor); maxVerticalDisplacementText = Math.max(maxVerticalDisplacementText, font.getFontHeight(string, i, codeLength) / glyphSpaceToTextSpaceFactor); if (maxVerticalDisplacementText <= 0.0f) { maxVerticalDisplacementText = font.getFontBoundingBox().getHeight() / glyphSpaceToTextSpaceFactor; } /** * PDF Spec - 5.5.2 Word Spacing * * Word spacing works the same was as character spacing, but applies * only to the space character, code 32. * * Note: Word spacing is applied to every occurrence of the single-byte * character code 32 in a string. This can occur when using a simple * font or a composite font that defines code 32 as a single-byte code. * It does not apply to occurrences of the byte value 32 in multiple-byte * codes. * * RDD - My interpretation of this is that only character code 32's that * encode to spaces should have word spacing applied. Cases have been * observed where a font has a space character with a character code * other than 32, and where word spacing (Tw) was used. In these cases, * applying word spacing to either the non-32 space or to the character * code 32 non-space resulted in errors consistent with this interpretation. */ float spacingText = characterSpacingText; if ((string[i] == (byte) 0x20) && (codeLength == 1)) { spacingText += wordSpacingText; } /* * The text matrix gets updated after each glyph is placed. The updated * version will have the X and Y coordinates for the next glyph. */ Matrix glyphMatrixStDisp = getTextMatrix().multiply(dispMatrix); // The adjustment will always be zero. The adjustment as shown in the // TJ operator will be handled separately. float adjustment = 0.0F; // TODO : tx should be set for horizontal text and ty for vertical text // which seems to be specified in the font (not the direction in the matrix). float tx = ((characterHorizontalDisplacementText - adjustment / glyphSpaceToTextSpaceFactor) * fontSizeText) * horizontalScalingText; Matrix td = new Matrix(); td.setValue(2, 0, tx); float ty = 0.0F; td.setValue(2, 1, ty); setTextMatrix(td.multiply(getTextMatrix())); Matrix glyphMatrixEndDisp = getTextMatrix().multiply(dispMatrix); float sx = spacingText * horizontalScalingText; Matrix sd = new Matrix(); sd.setValue(2, 0, sx); float sy = 0.0F; sd.setValue(2, 1, sy); setTextMatrix(sd.multiply(getTextMatrix())); float widthText = glyphMatrixEndDisp.getXPosition() - glyphMatrixStDisp.getXPosition(); characterBuffer.append(c); Matrix textMatrixEndDisp = glyphMatrixEndDisp; float totalVerticalDisplacementDisp = maxVerticalDisplacementText * fontSizeText * yScaleDisp; try { final ETextPosition text = new ETextPosition(page, textMatrixStDisp, textMatrixEndDisp, totalVerticalDisplacementDisp, new float[] { widthText }, spaceWidthDisp, characterBuffer.toString(), font, fontSizeText, (int) (fontSizeText * getTextMatrix().getXScale()), wordSpacingDisp); correctPosition(font, string, i, c, fontSizeText, glyphSpaceToTextSpaceFactor, horizontalScalingText, codeLength, text); processTextPosition(text); } catch (Exception e) { log.warn("LOG00570:Error adding '" + characterBuffer + "': " + e.getMessage()); } textMatrixStDisp = getTextMatrix().multiply(dispMatrix); characterBuffer.setLength(0); } }
From source file:org.fit.pdfdom.PDFBoxTree.java
License:Open Source License
/** * Transforms a length according to the current transformation matrix. *//*from w w w .j a va 2 s.c o m*/ protected float transformLength(float w) { Matrix ctm = getGraphicsState().getCurrentTransformationMatrix(); Matrix m = new Matrix(); m.setValue(2, 0, w); return m.multiply(ctm).getTranslateX(); }