/** Reads color value from the document. */
protected Color getColor(Element element, String attributeName) {
if (getDocument() == null || getDocument() != element.getOwnerDocument()) {
return null;
}
Color color = null;
// Make sure that CSSEngine is available.
BridgeContext ctx = transcoder.initCSSEngine();
try {
color = SVGUtils.toSWTColor(element, attributeName);
} finally {
if (ctx != null) {
ctx.dispose();
}
}
return color;
}
/** Printable implementation */
public int print(Graphics _g, PageFormat pageFormat, int pageIndex) {
//
// On the first page, take a snapshot of the vector of
// TranscodeInputs.
//
if (printedInputs == null) {
printedInputs = (Vector) inputs.clone();
}
//
// If we have already printed each page, return
//
if (pageIndex >= printedInputs.size()) {
curIndex = -1;
if (theCtx != null) theCtx.dispose();
userAgent.displayMessage("Done");
return NO_SUCH_PAGE;
}
//
// Load a new document now if we are printing a new page
//
if (curIndex != pageIndex) {
if (theCtx != null) theCtx.dispose();
// The following call will invoke this class' transcode
// method which takes a document as an input. That method
// builds the GVT root tree.{
try {
width = (int) pageFormat.getImageableWidth();
height = (int) pageFormat.getImageableHeight();
super.transcode((TranscoderInput) printedInputs.elementAt(pageIndex), null);
curIndex = pageIndex;
} catch (TranscoderException e) {
drawError(_g, e);
return PAGE_EXISTS;
}
}
// Cast to Graphics2D to access Java 2D features
Graphics2D g = (Graphics2D) _g;
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g.setRenderingHint(
RenderingHintsKeyExt.KEY_TRANSCODING, RenderingHintsKeyExt.VALUE_TRANSCODING_PRINTING);
//
// Compute transform so that the SVG document fits on one page
//
AffineTransform t = g.getTransform();
Shape clip = g.getClip();
// System.err.println("X/Y: " + pageFormat.getImageableX() + ", " +
// pageFormat.getImageableY());
// System.err.println("W/H: " + width + ", " + height);
// System.err.println("Clip: " + clip.getBounds2D());
// Offset 0,0 to the start of the imageable Area.
g.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
//
// Append transform to selected area
//
g.transform(curTxf);
//
// Delegate rendering to painter
//
try {
root.paint(g);
} catch (Exception e) {
g.setTransform(t);
g.setClip(clip);
drawError(_g, e);
}
//
// Restore transform and clip
//
g.setTransform(t);
g.setClip(clip);
// g.setPaint(Color.black);
// g.drawString(uris[pageIndex], 30, 30);
//
// Return status indicated that we did paint a page
//
return PAGE_EXISTS;
}
){kind=link}