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Merge pull request #721 from mr-mister123/feature_fix_incomplete_CIDsets

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remove CIDSets from XObjects
This commit is contained in:
Jochen Staerk
2025-04-01 16:28:42 +02:00
committed by GitHub
parent 3f22945492 1b956e326b
commit 300b38ed4a
1 changed files with 34 additions and 16 deletions
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50
library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDExporterFromA3.java
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@@ -58,6 +58,7 @@ import org.apache.pdfbox.pdmodel.font.PDCIDFontType2;
import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDFontDescriptor;
import org.apache.pdfbox.pdmodel.font.PDType0Font;
import org.apache.pdfbox.pdmodel.graphics.PDXObject;
import org.apache.pdfbox.pdmodel.graphics.color.PDOutputIntent;
import org.apache.xmpbox.XMPMetadata;
import org.apache.xmpbox.schema.AdobePDFSchema;
@@ -559,6 +560,7 @@ public class ZUGFeRDExporterFromA3 extends XRExporter implements IZUGFeRDExporte
// https://github.com/ZUGFeRD/mustangproject/issues/249
COSName cidSet = COSName.getPDFName("CIDSet");
COSName resources = COSName.getPDFName("Resources");
// iterate over all pdf pages
@@ -567,29 +569,45 @@ public class ZUGFeRDExporterFromA3 extends XRExporter implements IZUGFeRDExporte
PDPage page = (PDPage) object;
PDResources res = page.getResources();
for (COSName fontName : res.getFontNames()) {
try {
PDFont pdFont = res.getFont(fontName);
if (pdFont instanceof PDType0Font) {
PDType0Font typedFont = (PDType0Font) pdFont;
if (typedFont.getDescendantFont() instanceof PDCIDFontType2) {
@SuppressWarnings("unused")
PDCIDFontType2 f = (PDCIDFontType2) typedFont.getDescendantFont();
PDFontDescriptor fontDescriptor = pdFont.getFontDescriptor();
fontDescriptor.getCOSObject().removeItem(cidSet);
}
}
} catch (IOException e) {
throw e;
// Check for fonts in PDXObjects:
for (COSName xObjectName : res.getXObjectNames()) {
PDXObject xObject = res.getXObject(xObjectName);
COSDictionary d = xObject.getCOSObject().getCOSDictionary(resources);
if (d != null) {
PDResources xr = new PDResources(d);
removeCIDSetFromPDResources(cidSet, xr);
}
// do stuff with the font
}
// Check for fonts in document-resources:
removeCIDSetFromPDResources(cidSet, res);
}
}
}
private void removeCIDSetFromPDResources(COSName cidSet, PDResources res) throws IOException {
for (COSName fontName : res.getFontNames()) {
try {
PDFont pdFont = res.getFont(fontName);
if (pdFont instanceof PDType0Font) {
PDType0Font typedFont = (PDType0Font) pdFont;
if (typedFont.getDescendantFont() instanceof PDCIDFontType2) {
@SuppressWarnings("unused")
PDCIDFontType2 f = (PDCIDFontType2) typedFont.getDescendantFont();
PDFontDescriptor fontDescriptor = pdFont.getFontDescriptor();
fontDescriptor.getCOSObject().removeItem(cidSet);
}
}
} catch (IOException e) {
throw e;
}
// do stuff with the font
}
}
protected void prepareDocument() throws IOException {
PDDocumentCatalog cat = doc.getDocumentCatalog();