List of usage examples for org.apache.pdfbox.pdmodel PDResources PDResources
public PDResources(COSDictionary resourceDictionary)
From source file:net.padaf.preflight.contentstream.ContentStreamWrapper.java
License:Apache License
/** * Process the validation of a Tiling Pattern * /*from w ww . j a v a 2 s. c o m*/ * @param pattern * @return A list of validation error. This list is empty if the validation * succeed. * @throws ValidationException */ public List<ValidationError> validPatternContentStream(COSStream pattern) throws ValidationException { List<ValidationError> errors = new ArrayList<ValidationError>(); try { COSDictionary res = (COSDictionary) pattern.getDictionaryObject(DICTIONARY_KEY_RESOURCES); resetEnginContext(); processSubStream(null, new PDResources(res), pattern); } catch (ContentStreamException e) { errors.add(new ValidationError(e.getValidationError(), e.getMessage())); } catch (IOException e) { throw new ValidationException("Unable to check the ContentStream : " + e.getMessage(), e); } return errors; }
From source file:net.padaf.preflight.font.Type3FontValidator.java
License:Apache License
/** * CharProcs is a dictionary where the key is a character name and the value * is a Stream which contains the glyph representation of the key. * /*from w ww.ja v a 2s. c o m*/ * This method checks that all character code defined in the Widths Array * exist in the CharProcs dictionary. If the CharProcs doesn't know the * Character, it is mapped with the .notdef one. * * For each character, the Glyph width must be the same as the Width value * declared in the Widths array. * * @param errors * @return */ private boolean checkCharProcsAndMetrics() throws ValidationException { COSDocument cDoc = this.handler.getDocument().getDocument(); // ---- the Widths value can be a reference to an object // ---- Access the object using the COSkey COSArray wArr = COSUtils.getAsArray(this.widths, cDoc); if (wArr == null) { this.fontContainer.addError( new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The Witdhs array is unreachable")); return false; } COSDictionary charProcsDictionary = COSUtils.getAsDictionary(this.charProcs, cDoc); if (charProcsDictionary == null) { this.fontContainer.addError(new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The CharProcs element isn't a dictionary")); return false; } // ---- firstChar and lastChar must be integer. int fc = ((COSInteger) this.firstChar).intValue(); int lc = ((COSInteger) this.lastChar).intValue(); // ---- wArr length = (lc - fc) +1 and it is an array of int. // ---- If FirstChar is greater than LastChar, the validation will fail // because of // ---- the array will have an expected size <= 0. int expectedLength = (lc - fc) + 1; if (wArr.size() != expectedLength) { this.fontContainer.addError(new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The length of Witdhs array is invalid. Expected : \"" + expectedLength + "\" Current : \"" + wArr.size() + "\"")); return false; } // ---- Check width consistency for (int i = 0; i < expectedLength; i++) { int cid = fc + i; COSBase arrContent = wArr.get(i); if (COSUtils.isNumeric(arrContent, cDoc)) { float width = COSUtils.getAsFloat(arrContent, cDoc); String charName = null; try { charName = this.type3Encoding.getName(cid); } catch (IOException e) { // shouldn't occur throw new ValidationException("Unable to check Widths consistency", e); } COSBase item = charProcsDictionary.getItem(COSName.getPDFName(charName)); COSStream charStream = COSUtils.getAsStream(item, cDoc); if (charStream == null && width != 0) { GlyphException glyphEx = new GlyphException(ERROR_FONTS_METRICS, cid, "The CharProcs \"" + charName + "\" doesn't exist but the width is " + width); GlyphDetail glyphDetail = new GlyphDetail(cid, glyphEx); this.fontContainer.addKnownCidElement(glyphDetail); } else { try { // --- Parse the Glyph description to obtain the Width PDFAType3StreamParser parser = new PDFAType3StreamParser(this.handler); PDResources pRes = null; if (this.resources != null) { COSDictionary resAsDict = COSUtils.getAsDictionary(this.resources, cDoc); if (resAsDict != null) { pRes = new PDResources(resAsDict); } } parser.resetEngine(); parser.processSubStream(null, pRes, charStream); if (width != parser.getWidth()) { GlyphException glyphEx = new GlyphException(ERROR_FONTS_METRICS, cid, "The CharProcs \"" + charName + "\" should have a width equals to " + width); GlyphDetail glyphDetail = new GlyphDetail(cid, glyphEx); this.fontContainer.addKnownCidElement(glyphDetail); } else { // Glyph is OK, we keep the CID. GlyphDetail glyphDetail = new GlyphDetail(cid); this.fontContainer.addKnownCidElement(glyphDetail); } } catch (ContentStreamException e) { this.fontContainer.addError(new ValidationError(e.getValidationError())); return false; } catch (IOException e) { this.fontContainer.addError(new ValidationError(ERROR_FONTS_TYPE3_DAMAGED, "The CharProcs references an element which can't be read")); return false; } } } else { this.fontContainer.addError(new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The Witdhs array is invalid. (some element aren't integer)")); return false; } } return true; }
From source file:org.apache.padaf.preflight.font.Type3FontValidator.java
License:Apache License
/** * CharProcs is a dictionary where the key is a character name and the value * is a Stream which contains the glyph representation of the key. * // w w w .j a va 2 s .c o m * This method checks that all character code defined in the Widths Array * exist in the CharProcs dictionary. If the CharProcs doesn't know the * Character, it is mapped with the .notdef one. * * For each character, the Glyph width must be the same as the Width value * declared in the Widths array. * * @param errors * @return */ private boolean checkCharProcsAndMetrics() throws ValidationException { COSDocument cDoc = this.handler.getDocument().getDocument(); // ---- the Widths value can be a reference to an object // ---- Access the object using the COSkey COSArray wArr = COSUtils.getAsArray(this.widths, cDoc); if (wArr == null) { this.fontContainer.addError( new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The Witdhs array is unreachable")); return false; } COSDictionary charProcsDictionary = COSUtils.getAsDictionary(this.charProcs, cDoc); if (charProcsDictionary == null) { this.fontContainer.addError(new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The CharProcs element isn't a dictionary")); return false; } // ---- firstChar and lastChar must be integer. int fc = ((COSInteger) this.firstChar).intValue(); int lc = ((COSInteger) this.lastChar).intValue(); // ---- wArr length = (lc - fc) +1 and it is an array of int. // ---- If FirstChar is greater than LastChar, the validation will fail // because of // ---- the array will have an expected size <= 0. int expectedLength = (lc - fc) + 1; if (wArr.size() != expectedLength) { this.fontContainer.addError(new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The length of Witdhs array is invalid. Expected : \"" + expectedLength + "\" Current : \"" + wArr.size() + "\"")); return false; } // ---- Check width consistency for (int i = 0; i < expectedLength; i++) { int cid = fc + i; COSBase arrContent = wArr.get(i); if (COSUtils.isNumeric(arrContent, cDoc)) { float width = COSUtils.getAsFloat(arrContent, cDoc); String charName = null; try { charName = this.type3Encoding.getName(cid); } catch (IOException e) { // shouldn't occur throw new ValidationException("Unable to check Widths consistency", e); } COSBase item = charProcsDictionary.getItem(COSName.getPDFName(charName)); COSStream charStream = COSUtils.getAsStream(item, cDoc); if (charStream == null) { /* There are no character description, we declare the Glyph as Invalid. * If the character is used in a Stream, the GlyphDetail will throw an exception. */ GlyphException glyphEx = new GlyphException(ERROR_FONTS_METRICS, cid, "The CharProcs \"" + charName + "\" doesn't exist, the width defines in the Font Dictionary is " + width); GlyphDetail glyphDetail = new GlyphDetail(cid, glyphEx); this.fontContainer.addKnownCidElement(glyphDetail); } else { try { // --- Parse the Glyph description to obtain the Width PDFAType3StreamParser parser = new PDFAType3StreamParser(this.handler); PDResources pRes = null; if (this.resources != null) { COSDictionary resAsDict = COSUtils.getAsDictionary(this.resources, cDoc); if (resAsDict != null) { pRes = new PDResources(resAsDict); } } parser.resetEngine(); parser.processSubStream(null, pRes, charStream); if (width != parser.getWidth()) { GlyphException glyphEx = new GlyphException(ERROR_FONTS_METRICS, cid, "The CharProcs \"" + charName + "\" should have a width equals to " + width); GlyphDetail glyphDetail = new GlyphDetail(cid, glyphEx); this.fontContainer.addKnownCidElement(glyphDetail); } else { // Glyph is OK, we keep the CID. GlyphDetail glyphDetail = new GlyphDetail(cid); this.fontContainer.addKnownCidElement(glyphDetail); } } catch (ContentStreamException e) { this.fontContainer.addError(new ValidationError(e.getValidationError())); return false; } catch (IOException e) { this.fontContainer.addError(new ValidationError(ERROR_FONTS_TYPE3_DAMAGED, "The CharProcs references an element which can't be read")); return false; } } } else { this.fontContainer.addError(new ValidationError(ERROR_FONTS_DICTIONARY_INVALID, "The Witdhs array is invalid. (some element aren't integer)")); return false; } } return true; }