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remove CIDSets from XObjects

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This commit is contained in:
mr.mister123
2025-01-31 11:18:28 +01:00
parent 5ec06bd74b
commit 1b956e326b
1 changed files with 34 additions and 16 deletions
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22
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.PDFont;
import org.apache.pdfbox.pdmodel.font.PDFontDescriptor; import org.apache.pdfbox.pdmodel.font.PDFontDescriptor;
import org.apache.pdfbox.pdmodel.font.PDType0Font; 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.pdfbox.pdmodel.graphics.color.PDOutputIntent;
import org.apache.xmpbox.XMPMetadata; import org.apache.xmpbox.XMPMetadata;
import org.apache.xmpbox.schema.AdobePDFSchema; import org.apache.xmpbox.schema.AdobePDFSchema;
@@ -559,6 +560,7 @@ public class ZUGFeRDExporterFromA3 extends XRExporter implements IZUGFeRDExporte
// https://github.com/ZUGFeRD/mustangproject/issues/249 // https://github.com/ZUGFeRD/mustangproject/issues/249
COSName cidSet = COSName.getPDFName("CIDSet"); COSName cidSet = COSName.getPDFName("CIDSet");
COSName resources = COSName.getPDFName("Resources");
// iterate over all pdf pages // iterate over all pdf pages
@@ -567,6 +569,24 @@ public class ZUGFeRDExporterFromA3 extends XRExporter implements IZUGFeRDExporte
PDPage page = (PDPage) object; PDPage page = (PDPage) object;
PDResources res = page.getResources(); PDResources res = page.getResources();
// 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);
}
}
// Check for fonts in document-resources:
removeCIDSetFromPDResources(cidSet, res);
}
}
}
private void removeCIDSetFromPDResources(COSName cidSet, PDResources res) throws IOException {
for (COSName fontName : res.getFontNames()) { for (COSName fontName : res.getFontNames()) {
try { try {
PDFont pdFont = res.getFont(fontName); PDFont pdFont = res.getFont(fontName);
@@ -587,8 +607,6 @@ public class ZUGFeRDExporterFromA3 extends XRExporter implements IZUGFeRDExporte
// do stuff with the font // do stuff with the font
} }
} }
}
}
protected void prepareDocument() throws IOException { protected void prepareDocument() throws IOException {