protected static PSResource writeReusableImage()

in src/main/java/org/apache/xmlgraphics/ps/PSImageUtils.java [537:604]
65 lines of code
8 McCabe index (conditional complexity)

    protected static PSResource writeReusableImage(ImageEncoder encoder,
            Dimension imgDim,
            String formName, String imageDescription,
            ColorSpace colorSpace, boolean invertImage,
            PSGenerator gen) throws IOException {
        if (gen.getPSLevel() < 2) {
            throw new UnsupportedOperationException(
                    "Reusable images requires at least Level 2 PostScript");
        }
        String dataName = formName + ":Data";
        gen.writeDSCComment(DSCConstants.BEGIN_RESOURCE, formName);
        if (imageDescription != null) {
            gen.writeDSCComment(DSCConstants.TITLE, imageDescription);
        }

        String additionalFilters;
        String implicitFilter = encoder.getImplicitFilter();
        if (implicitFilter != null) {
            additionalFilters = "/ASCII85Decode filter " + implicitFilter + " filter";
        } else {
            if (gen.getPSLevel() >= 3) {
                additionalFilters = "/ASCII85Decode filter /FlateDecode filter";
            } else {
                additionalFilters = "/ASCII85Decode filter /RunLengthDecode filter";
            }
        }

        gen.writeln("/" + formName);
        gen.writeln("<< /FormType 1");
        gen.writeln("  /BBox [0 0 " + imgDim.width + " " + imgDim.height + "]");
        gen.writeln("  /Matrix [1 0 0 1 0 0]");
        gen.writeln("  /PaintProc {");
        gen.writeln("    pop");
        gen.writeln("    gsave");
        if (gen.getPSLevel() == 2) {
            gen.writeln("    userdict /i 0 put"); //rewind image data
        } else {
            gen.writeln("    " + dataName + " 0 setfileposition"); //rewind image data
        }
        String dataSource;
        if (gen.getPSLevel() == 2) {
            dataSource = "{ " + dataName + " i get /i i 1 add store } bind";
        } else {
            dataSource = dataName;
        }
        PSDictionary imageDict = new PSDictionary();
        imageDict.put("/DataSource", dataSource);
        imageDict.put("/BitsPerComponent", Integer.toString(8));
        writeImageCommand(imageDict, imgDim, colorSpace, invertImage, gen);
        gen.writeln("    grestore");
        gen.writeln("  } bind");
        gen.writeln(">> def");
        gen.writeln("/" + dataName + " currentfile");
        gen.writeln(additionalFilters);
        if (gen.getPSLevel() == 2) {
            //Creates a data array from the inline file
            gen.writeln("{ /temp exch def ["
                    + " { temp 16384 string readstring not {exit } if } loop ] } exec");
        } else {
            gen.writeln("/ReusableStreamDecode filter");
        }
        compressAndWriteBitmap(encoder, gen);
        gen.writeln("def");
        gen.writeDSCComment(DSCConstants.END_RESOURCE);
        PSResource res = new PSResource(PSResource.TYPE_FORM, formName);
        gen.getResourceTracker().registerSuppliedResource(res);
        return res;
    }