more progress with WordToFoExtractor, see Bugzilla 51351
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1136001 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov
parent
ffc5d68b12
commit
cbb3176c72
@ -279,8 +279,27 @@ public class WordToFoExtractor {
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}
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}
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@SuppressWarnings("unused")
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protected void processImage(Element currentBlock, Picture picture) {
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/**
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* This method shall store image bytes in external file and convert it if
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* necessary. Images shall be stored using PNG format (for bitmap) or SVG
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* (for vector). Other formats may be not supported by your XSL FO
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* processor.
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* <p>
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* Please note the
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* {@link WordToFoUtils#setPictureProperties(Picture, Element)} method.
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*
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* @param currentBlock
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* currently processed FO element, like <tt>fo:block</tt>. Shall
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* be used as parent of newly created
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* <tt>fo:external-graphic</tt> or
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* <tt>fo:instream-foreign-object</tt>
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* @param inlined
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* if image is inlined
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* @param picture
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* HWPF object, contained picture data and properties
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*/
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protected void processImage(Element currentBlock, boolean inlined,
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Picture picture) {
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// no default implementation -- skip
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}
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@ -329,11 +348,24 @@ public class WordToFoExtractor {
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for (int c = 0; c < charRuns; c++) {
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CharacterRun characterRun = paragraph.getCharacterRun(c);
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if (hwpfDocument.getPicturesTable().hasPicture(characterRun)) {
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Picture picture = hwpfDocument.getPicturesTable()
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.extractPicture(characterRun, true);
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processImage(block, characterRun.text().charAt(0) == 0x01,
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picture);
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continue;
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}
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String text = characterRun.text();
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if (text.getBytes().length == 0)
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continue;
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if (text.getBytes()[0] == FIELD_BEGIN_MARK) {
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/*
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* check if we have a field with calculated image as a result.
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* MathType equation, for example.
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*/
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int skipTo = tryImageWithinField(hwpfDocument, paragraph, c,
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block);
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@ -553,6 +585,7 @@ public class WordToFoExtractor {
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Paragraph paragraph, int beginMark, Element currentBlock) {
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int separatorMark = -1;
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int pictureMark = -1;
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int pictureChar = Integer.MIN_VALUE;
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int endMark = -1;
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for (int c = beginMark + 1; c < paragraph.numCharacterRuns(); c++) {
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CharacterRun characterRun = paragraph.getCharacterRun(c);
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@ -582,12 +615,13 @@ public class WordToFoExtractor {
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}
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if (hwpfDocument.getPicturesTable().hasPicture(characterRun)) {
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if (pictureMark != -1) {
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if (c != -1) {
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// double;
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return beginMark;
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}
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pictureMark = c;
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pictureChar = characterRun.text().charAt(0);
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continue;
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}
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}
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@ -598,12 +632,12 @@ public class WordToFoExtractor {
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final CharacterRun pictureRun = paragraph.getCharacterRun(pictureMark);
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final Picture picture = hwpfDocument.getPicturesTable().extractPicture(
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pictureRun, true);
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processImage(currentBlock, picture);
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processImage(currentBlock, pictureChar == 0x01, picture);
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return endMark;
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}
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/**
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* Java main() interface to interact with WordToFoExtractor
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*
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@ -9,6 +9,7 @@ import org.apache.poi.hwpf.usermodel.BorderCode;
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import org.apache.poi.hwpf.usermodel.CharacterProperties;
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import org.apache.poi.hwpf.usermodel.CharacterRun;
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import org.apache.poi.hwpf.usermodel.Paragraph;
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import org.apache.poi.hwpf.usermodel.Picture;
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import org.apache.poi.hwpf.usermodel.Range;
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import org.apache.poi.hwpf.usermodel.Section;
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import org.apache.poi.hwpf.usermodel.SectionProperties;
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@ -179,6 +180,31 @@ public class WordToFoUtils {
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}
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}
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public static String getJustification(int js) {
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switch (js) {
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case 0:
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return "start";
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case 1:
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return "center";
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case 2:
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return "end";
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case 3:
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case 4:
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return "justify";
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case 5:
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return "center";
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case 6:
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return "left";
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case 7:
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return "start";
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case 8:
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return "end";
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case 9:
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return "justify";
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}
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return "";
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}
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public static String getListItemNumberLabel(int number, int format) {
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if (format != 0)
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@ -283,6 +309,9 @@ public class WordToFoUtils {
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textDecorations.append(" ");
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textDecorations.append("underline");
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}
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if (characterRun.isVanished()) {
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inline.setAttribute("visibility", "hidden");
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}
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if (textDecorations.length() > 0) {
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inline.setAttribute("text-decoration", textDecorations.toString());
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}
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@ -336,39 +365,9 @@ public class WordToFoUtils {
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public static void setJustification(Paragraph paragraph,
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final Element element) {
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final int justification = paragraph.getJustification();
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switch (justification) {
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case 0:
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element.setAttribute("text-align", "start");
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break;
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case 1:
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element.setAttribute("text-align", "center");
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break;
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case 2:
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element.setAttribute("text-align", "end");
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break;
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case 3:
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element.setAttribute("text-align", "justify");
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break;
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case 4:
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element.setAttribute("text-align", "justify");
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break;
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case 5:
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element.setAttribute("text-align", "center");
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break;
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case 6:
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element.setAttribute("text-align", "left");
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break;
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case 7:
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element.setAttribute("text-align", "start");
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break;
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case 8:
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element.setAttribute("text-align", "end");
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break;
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case 9:
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element.setAttribute("text-align", "justify");
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break;
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}
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String justification = getJustification(paragraph.getJustification());
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if (isNotEmpty(justification))
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element.setAttribute("text-align", justification);
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}
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public static void setParagraphProperties(Paragraph paragraph, Element block) {
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@ -399,6 +398,53 @@ public class WordToFoUtils {
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block.setAttribute("white-space-collapse", "false");
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}
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public static void setPictureProperties(Picture picture,
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Element graphicElement) {
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final int aspectRatioX = picture.getAspectRatioX();
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final int aspectRatioY = picture.getAspectRatioY();
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if (aspectRatioX > 0) {
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graphicElement.setAttribute("content-width", ((picture.getDxaGoal()
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* aspectRatioX / 100) / WordToFoUtils.TWIPS_PER_PT)
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+ "pt");
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} else
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graphicElement.setAttribute("content-width",
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(picture.getDxaGoal() / WordToFoUtils.TWIPS_PER_PT) + "pt");
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if (aspectRatioY > 0)
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graphicElement
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.setAttribute("content-height", ((picture.getDyaGoal()
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* aspectRatioY / 100) / WordToFoUtils.TWIPS_PER_PT)
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+ "pt");
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else
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graphicElement.setAttribute("content-height",
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(picture.getDyaGoal() / WordToFoUtils.TWIPS_PER_PT) + "pt");
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if (aspectRatioX <= 0 || aspectRatioY <= 0) {
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graphicElement.setAttribute("scaling", "uniform");
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} else {
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graphicElement.setAttribute("scaling", "non-uniform");
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}
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graphicElement.setAttribute("vertical-align", "text-bottom");
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if (picture.getDyaCropTop() != 0 || picture.getDxaCropRight() != 0
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|| picture.getDyaCropBottom() != 0
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|| picture.getDxaCropLeft() != 0) {
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int rectTop = picture.getDyaCropTop() / WordToFoUtils.TWIPS_PER_PT;
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int rectRight = picture.getDxaCropRight()
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/ WordToFoUtils.TWIPS_PER_PT;
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int rectBottom = picture.getDyaCropBottom()
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/ WordToFoUtils.TWIPS_PER_PT;
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int rectLeft = picture.getDxaCropLeft()
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/ WordToFoUtils.TWIPS_PER_PT;
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graphicElement.setAttribute("clip", "rect(" + rectTop + "pt, "
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+ rectRight + "pt, " + rectBottom + "pt, " + rectLeft
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+ "pt)");
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graphicElement.setAttribute("oveerflow", "hidden");
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}
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}
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public static void setTableCellProperties(TableRow tableRow,
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TableCell tableCell, Element element, boolean toppest,
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boolean bottomest, boolean leftest, boolean rightest) {
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