Review

14

com/itextpdf/text/pdf/parser/PdfContentStreamProcessor.java

processContent(byte[], PdfDictionary)

class PdfContentStreamProcessor {
    /**
     * Processes PDF syntax.
     * <b>Note:</b> If you re-use a given {@link PdfContentStreamProcessor}, you must call {@link PdfContentStreamProcessor#reset()}
     * @param contentBytes	the bytes of a content stream
     * @param resources		the resources that come with the content stream
     */
    public void processContent(byte[] contentBytes, PdfDictionary resources){
        this.resources.push(resources);
        try {
            PRTokeniser tokeniser = new PRTokeniser(contentBytes);
            PdfContentParser ps = new PdfContentParser(tokeniser);
            ArrayList<PdfObject> operands = new ArrayList<PdfObject>();
            while (ps.parse(operands).size() > 0){
                PdfLiteral operator = (PdfLiteral)operands.get(operands.size()-1);
                if ("BI".equals(operator.toString())){
                    // we don't call invokeOperator for embedded images - this is one area of the PDF spec that is particularly nasty and inconsistent
                    PdfDictionary colorSpaceDic = resources != null ? resources.getAsDict(PdfName.COLORSPACE) : null;
                    ImageRenderInfo renderInfo = ImageRenderInfo.createForEmbeddedImage(gs().ctm, InlineImageUtils.parseInlineImage(ps, colorSpaceDic), colorSpaceDic);
                    renderListener.renderImage(renderInfo);
                } else {
                    invokeOperator(operator, operands);
                }
            }

        }
        catch (Exception e) {
            throw new ExceptionConverter(e);
        }
        this.resources.pop();

    }

}