/** Builds an <code>SVGGraphics2D</code> with a default configuration. */
protected SVGGraphics2D buildSVGGraphics2D() {
// CSSDocumentHandler.setParserClassName(CSS_PARSER_CLASS_NAME);
DOMImplementation impl = GenericDOMImplementation.getDOMImplementation();
String namespaceURI = SVGConstants.SVG_NAMESPACE_URI;
Document domFactory = impl.createDocument(namespaceURI, SVG_SVG_TAG, null);
SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(domFactory);
GraphicContextDefaults defaults = new GraphicContextDefaults();
defaults.font = new Font("Arial", Font.PLAIN, 12);
ctx.setGraphicContextDefaults(defaults);
ctx.setPrecision(12);
return new SVGGraphics2D(ctx, false);
}
/**
* Creates an Element which can refer to an image. Note that no assumptions should be made by the
* caller about the corresponding SVG tag. By default, an <image> tag is used, but the
* {@link CachedImageHandlerBase64Encoder}, for example, overrides this method to use a different
* tag.
*/
public Element createElement(SVGGeneratorContext generatorContext) {
// Create a DOM Element in SVG namespace to refer to an image
Element imageElement =
generatorContext.getDOMFactory().createElementNS(SVG_NAMESPACE_URI, SVG_IMAGE_TAG);
return imageElement;
}
/**
* Determines the transformation needed to get the cached image to scale & position properly. Sets
* x and y attributes on the element accordingly.
*/
protected AffineTransform handleTransform(
Element imageElement,
double x,
double y,
double srcWidth,
double srcHeight,
double dstWidth,
double dstHeight,
SVGGeneratorContext generatorContext) {
// In this the default case, <image> element, we just
// set x, y, width and height attributes.
// No additional transform is necessary.
imageElement.setAttributeNS(null, SVG_X_ATTRIBUTE, generatorContext.doubleString(x));
imageElement.setAttributeNS(null, SVG_Y_ATTRIBUTE, generatorContext.doubleString(y));
imageElement.setAttributeNS(null, SVG_WIDTH_ATTRIBUTE, generatorContext.doubleString(dstWidth));
imageElement.setAttributeNS(
null, SVG_HEIGHT_ATTRIBUTE, generatorContext.doubleString(dstHeight));
return null;
}