From 5b2afac565a29266ef60c4e3039b8258712210f9 Mon Sep 17 00:00:00 2001 From: pdanner Date: Tue, 15 Feb 2011 17:24:23 +0000 Subject: improved link overlay positioning git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@758 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../wag/egov/egiz/pdf/StructContentHelper.java | 47 +++++++++++++++++----- 1 file changed, 37 insertions(+), 10 deletions(-) diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java index 220f9b7..a754b8e 100644 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java +++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java @@ -1,6 +1,8 @@ package at.knowcenter.wag.egov.egiz.pdf; import java.io.IOException; +import java.util.HashMap; +import java.util.Map; import org.apache.log4j.Logger; @@ -23,6 +25,7 @@ import com.lowagie.text.pdf.PdfString; import com.lowagie.text.pdf.PdfTemplate; import com.lowagie.text.pdfas.StructContentWriter; import com.lowagie.text.pdfas.StructContentWriterHolder; +import com.lowagie.text.pdfas.UrlInTextFinder; /** * Helper class for writing the structure hierarchy of the signature elements. @@ -408,7 +411,17 @@ public class StructContentHelper implements StructContentWriter { */ public void storeCurrentPosAsLink() { this.verifyLinkPos = new Rectangle(this.tempMarkedPos); - } + } + + private Map tmpMap = new HashMap(); + public void putVal(String key, Object val) { + tmpMap.put(key, val); + } + + private Map linkPosMap; + public void storeVals() { + linkPosMap = new HashMap(tmpMap); + } /** * set explicit annotation tab order if missing @@ -450,7 +463,7 @@ public class StructContentHelper implements StructContentWriter { // iText "converts" 0.0f to an integer, therefore we cannot use 0, not nice... //linkAnnot.put(PdfName.RECT, new PdfArray(new float[] {0.01f, 0.01f, 0.01f, 0.01f})); // take cell pos as link pos - linkAnnot.put(PdfName.RECT, new PdfArray(createAbsPos(atp, this.verifyLinkPos))); + linkAnnot.put(PdfName.RECT, new PdfArray(calcLinkPos(atp, this.verifyLinkPos))); linkAnnot.put(PdfName.STRUCTPARENT, structParentNr); linkAnnot.put(PdfName.SUBTYPE, PdfName.LINK); @@ -459,15 +472,31 @@ public class StructContentHelper implements StructContentWriter { } - private static PdfArray createAbsPos(ActualTablePos atp, Rectangle pos) { + private PdfArray calcLinkPos(ActualTablePos atp, Rectangle pos) { PdfArray res = new PdfArray(); - float y = atp.y - atp.height + pos.getTop(); - res.add(new PdfNumber(atp.x + pos.getLeft())); - res.add(new PdfNumber(y)); - res.add(new PdfNumber(atp.x + pos.getLeft() + pos.getWidth())); - res.add(new PdfNumber(y - pos.getHeight())); + float downY = atp.y - atp.height + pos.getTop() - pos.getHeight(); + + float startX = atp.x + pos.getLeft(); + float yLine = getPosMapVal("yLine"); + float lineHigh = getPosMapVal("maxSize");; + float lineWidth = getPosMapVal("lineWidth"); + UrlInTextFinder finder = (UrlInTextFinder) this.linkPosMap.get("urlFinder"); + + // maybe one could calc the link pos even more exactly with char with counting + // but this should be close enough (see BidiLine.processLine and chung.getcharwith) + float lineCorr = -2; + float xCorr = 2; + res.add(new PdfNumber(xCorr +startX + finder.calcLinkPosXStart(lineWidth))); + res.add(new PdfNumber(downY + yLine + lineHigh + lineCorr)); + res.add(new PdfNumber(xCorr + startX + finder.calcLinkPosXEnd(lineWidth))); + res.add(new PdfNumber(downY + yLine + lineCorr)); + return res; } + + private float getPosMapVal(String key) { + return ((Float) this.linkPosMap.get(key)).floatValue(); + } protected static PdfArray createPdfArrayFromTablePos(ActualTablePos pos) { return new PdfArray( new float[] {pos.x, pos.y, pos.x + pos.width, pos.y - pos.height}); @@ -645,6 +674,4 @@ public class StructContentHelper implements StructContentWriter { return AdobeSignatureHelper.getDefaultableConfigProperty(sigProfile, ALT_TEXT_CONF_KEY, ALT_TEXT_DEFAULT); } - - } -- cgit v1.2.3