PDFXObjectUtil.java
1.6 KB
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.adobe.internal.pdftoolkit.core.exceptions.PDFIOException
* com.adobe.internal.pdftoolkit.core.exceptions.PDFInvalidDocumentException
* com.adobe.internal.pdftoolkit.core.exceptions.PDFSecurityException
* com.adobe.internal.pdftoolkit.core.types.ASName
*/
package com.adobe.internal.pdftoolkit.pdf.graphics.xobject;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFIOException;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFInvalidDocumentException;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFSecurityException;
import com.adobe.internal.pdftoolkit.core.types.ASName;
import com.adobe.internal.pdftoolkit.pdf.filters.PDFFilter;
import com.adobe.internal.pdftoolkit.pdf.filters.PDFFilterList;
import com.adobe.internal.pdftoolkit.pdf.graphics.xobject.PDFXObjectImage;
class PDFXObjectUtil {
PDFXObjectUtil() {
}
static Number getValidBitsPerComponentValue(PDFXObjectImage xObjImage) throws PDFInvalidDocumentException, PDFIOException, PDFSecurityException {
Number value = xObjImage.getDictionaryNumericValue(ASName.k_BitsPerComponent);
if (value == null) {
PDFFilter filter;
if (xObjImage.getIsImageMask()) {
return 1;
}
PDFFilterList filterList = xObjImage.getInputFilters();
if (filterList != null && filterList.size() == 1 && (filter = (PDFFilter)filterList.get(0)).getFilterName() == ASName.create((String)"JPXDecode")) {
return 1;
}
}
return value;
}
}