/**
* Loads an image from a URL
*
* @param bitmapFile the bitmap file
* @return the bitmap as BufferedImage
*/
public static BufferedImage getImage(File bitmapFile) {
try {
InputStream in = new java.io.FileInputStream(bitmapFile);
try {
in = new java.io.BufferedInputStream(in);
ImageTagRegistry reg = ImageTagRegistry.getRegistry();
Filter filt = reg.readStream(in);
if (filt == null) {
return null;
}
RenderedImage red = filt.createDefaultRendering();
if (red == null) {
return null;
}
BufferedImage img =
new BufferedImage(red.getWidth(), red.getHeight(), BufferedImage.TYPE_INT_ARGB);
red.copyData(img.getRaster());
return img;
} finally {
IOUtils.closeQuietly(in);
}
} catch (IOException e) {
return null;
}
}
public RenderedImage createRendering(RenderContext rc) {
//
// Get the mask content
//
Filter maskSrc = getMaskNode().getGraphicsNodeRable(true);
PadRable maskPad = new PadRable8Bit(maskSrc, getBounds2D(), PadMode.ZERO_PAD);
maskSrc = new FilterAsAlphaRable(maskPad);
RenderedImage ri = maskSrc.createRendering(rc);
if (ri == null) return null;
CachableRed maskCr = RenderedImageCachableRed.wrap(ri);
//
// Get the masked content
//
PadRable maskedPad = new PadRable8Bit(getSource(), getBounds2D(), PadMode.ZERO_PAD);
ri = maskedPad.createRendering(rc);
if (ri == null) return null;
CachableRed cr;
cr = GraphicsUtil.wrap(ri);
cr = GraphicsUtil.convertToLsRGB(cr);
// org.apache.batik.test.gvt.ImageDisplay.showImage("Src: ", cr);
// org.apache.batik.test.gvt.ImageDisplay.showImage("Mask: ", maskCr);
CachableRed ret = new MultiplyAlphaRed(cr, maskCr);
// org.apache.batik.test.gvt.ImageDisplay.showImage("Masked: ", ret);
// ret = new PadRed(ret, cr.getBounds(), PadMode.ZERO_PAD, rh);
return ret;
}
/**
* Creates a <code>Filter</code> primitive according to the specified parameters.
*
* @param ctx the bridge context to use
* @param filterElement the element that defines a filter
* @param filteredElement the element that references the filter
* @param filteredNode the graphics node to filter
* @param inputFilter the <code>Filter</code> that represents the current filter input if the
* filter chain.
* @param filterRegion the filter area defined for the filter chain the new node will be part of.
* @param filterMap a map where the mediator can map a name to the <code>Filter</code> it creates.
* Other <code>FilterBridge</code>s can then access a filter node from the filterMap if they
* know its name.
*/
public Filter createFilter(
BridgeContext ctx,
Element filterElement,
Element filteredElement,
GraphicsNode filteredNode,
Filter inputFilter,
Rectangle2D filterRegion,
Map filterMap) {
// 'scale' attribute - default is 0
float scale = convertNumber(filterElement, SVG_SCALE_ATTRIBUTE, 0, ctx);
// 'xChannelSelector' attribute - default is 'A'
ARGBChannel xChannelSelector =
convertChannelSelector(filterElement, SVG_X_CHANNEL_SELECTOR_ATTRIBUTE, ARGBChannel.A, ctx);
// 'yChannelSelector' attribute - default is 'A'
ARGBChannel yChannelSelector =
convertChannelSelector(filterElement, SVG_Y_CHANNEL_SELECTOR_ATTRIBUTE, ARGBChannel.A, ctx);
// 'in' attribute
Filter in = getIn(filterElement, filteredElement, filteredNode, inputFilter, filterMap, ctx);
if (in == null) {
return null; // disable the filter
}
// 'in2' attribute - required
Filter in2 = getIn2(filterElement, filteredElement, filteredNode, inputFilter, filterMap, ctx);
if (in2 == null) {
return null; // disable the filter
}
Rectangle2D defaultRegion;
defaultRegion = (Rectangle2D) in.getBounds2D().clone();
defaultRegion.add(in2.getBounds2D());
// get filter primitive chain region
Rectangle2D primitiveRegion =
SVGUtilities.convertFilterPrimitiveRegion(
filterElement, filteredElement, filteredNode, defaultRegion, filterRegion, ctx);
PadRable pad = new PadRable8Bit(in, primitiveRegion, PadMode.ZERO_PAD);
// build the displacement map filter
List srcs = new ArrayList(2);
srcs.add(pad);
srcs.add(in2);
Filter displacementMap =
new DisplacementMapRable8Bit(srcs, scale, xChannelSelector, yChannelSelector);
// handle the 'color-interpolation-filters' property
handleColorInterpolationFilters(displacementMap, filterElement);
PadRable filter = new PadRable8Bit(displacementMap, primitiveRegion, PadMode.ZERO_PAD);
// update the filter Map
updateFilterMap(filterElement, filter, filterMap);
return filter;
}
/**
* Creates a <code>Filter</code> primitive according to the specified parameters.
*
* @param ctx the bridge context to use
* @param filterElement the element that defines a filter
* @param filteredElement the element that references the filter
* @param filteredNode the graphics node to filter
* @param inputFilter the <code>Filter</code> that represents the current filter input if the
* filter chain.
* @param filterRegion the filter area defined for the filter chain the new node will be part of.
* @param filterMap a map where the mediator can map a name to the <code>Filter</code> it creates.
* Other <code>FilterBridge</code>s can then access a filter node from the filterMap if they
* know its name.
*/
public Filter createFilter(
BridgeContext ctx,
Element filterElement,
Element filteredElement,
GraphicsNode filteredNode,
Filter inputFilter,
Rectangle2D filterRegion,
Map filterMap) {
// 'surfaceScale' attribute - default is 1
float surfaceScale = convertNumber(filterElement, SVG_SURFACE_SCALE_ATTRIBUTE, 1, ctx);
// 'specularConstant' attribute - default is 1
float specularConstant = convertNumber(filterElement, SVG_SPECULAR_CONSTANT_ATTRIBUTE, 1, ctx);
// 'specularExponent' attribute - default is 1
float specularExponent = convertSpecularExponent(filterElement, ctx);
// extract the light definition from the filterElement's children list
Light light = extractLight(filterElement, ctx);
// 'kernelUnitLength' attribute
double[] kernelUnitLength = convertKernelUnitLength(filterElement, ctx);
// 'in' attribute
Filter in = getIn(filterElement, filteredElement, filteredNode, inputFilter, filterMap, ctx);
if (in == null) {
return null; // disable the filter
}
// Default region is the size of in (if in is SourceGraphic or
// SourceAlpha it will already include a pad/crop to the
// proper filter region size).
Rectangle2D defaultRegion = in.getBounds2D();
Rectangle2D primitiveRegion =
SVGUtilities.convertFilterPrimitiveRegion(
filterElement, filteredElement, filteredNode, defaultRegion, filterRegion, ctx);
Filter filter =
new SpecularLightingRable8Bit(
in,
primitiveRegion,
light,
specularConstant,
specularExponent,
surfaceScale,
kernelUnitLength);
// handle the 'color-interpolation-filters' property
handleColorInterpolationFilters(filter, filterElement);
// update the filter Map
updateFilterMap(filterElement, filter, filterMap);
return filter;
}
/**
* Returns a Filter that represents an raster image (JPG or PNG).
*
* @param ctx the bridge context
* @param primitiveRegion the primitive region
* @param purl the url of the image
*/
protected static Filter createRasterFeImage(
BridgeContext ctx, Rectangle2D primitiveRegion, ParsedURL purl) {
// Need to fit the raster image to the filter region so that
// we have the same behavior as raster images in the <image> element.
Filter filter = ImageTagRegistry.getRegistry().readURL(purl);
Rectangle2D bounds = filter.getBounds2D();
AffineTransform scale = new AffineTransform();
scale.translate(primitiveRegion.getX(), primitiveRegion.getY());
scale.scale(
primitiveRegion.getWidth() / (bounds.getWidth() - 1),
primitiveRegion.getHeight() / (bounds.getHeight() - 1));
scale.translate(-bounds.getX(), -bounds.getY());
return new AffineRable8Bit(filter, scale);
}
/**
* Loads an image from a URL
*
* @param url the URL to the image
* @return the bitmap as BufferedImage TODO This method doesn't close the InputStream opened by
* the URL.
*/
public static BufferedImage getImage(URL url) {
ImageTagRegistry reg = ImageTagRegistry.getRegistry();
Filter filt = reg.readURL(new ParsedURL(url));
if (filt == null) {
return null;
}
RenderedImage red = filt.createDefaultRendering();
if (red == null) {
return null;
}
BufferedImage img =
new BufferedImage(red.getWidth(), red.getHeight(), BufferedImage.TYPE_INT_ARGB);
red.copyData(img.getRaster());
return img;
}
/**
* This returns the dirty region for gn in the coordinate system given by <code>at</code>.
*
* @param gn Node tree to return dirty region for.
* @param at Affine transform to coordinate space to accumulate dirty regions in.
*/
public Rectangle2D getNodeDirtyRegion(GraphicsNode gn, AffineTransform at) {
WeakReference gnWRef = gn.getWeakReference();
AffineTransform nat = (AffineTransform) dirtyNodes.get(gnWRef);
if (nat == null) nat = gn.getTransform();
if (nat != null) {
at = new AffineTransform(at);
at.concatenate(nat);
}
Filter f = gn.getFilter();
Rectangle2D ret = null;
if (gn instanceof CompositeGraphicsNode) {
CompositeGraphicsNode cgn = (CompositeGraphicsNode) gn;
Iterator iter = cgn.iterator();
while (iter.hasNext()) {
GraphicsNode childGN = (GraphicsNode) iter.next();
Rectangle2D r2d = getNodeDirtyRegion(childGN, at);
if (r2d != null) {
if (f != null) {
// If we have a filter and a change region
// Update our full filter extents.
Shape s = at.createTransformedShape(f.getBounds2D());
ret = s.getBounds2D();
break;
}
if ((ret == null) || (ret == NULL_RECT)) ret = r2d;
else ret = ret.createUnion(r2d);
}
}
} else {
ret = (Rectangle2D) fromBounds.remove(gnWRef);
if (ret == null) {
if (f != null) ret = f.getBounds2D();
else ret = gn.getBounds();
} else if (ret == NULL_RECT) ret = null;
if (ret != null) ret = at.createTransformedShape(ret).getBounds2D();
}
return ret;
}
/** Returns the list of dirty areas on GVT. */
public List getDirtyAreas() {
if (dirtyNodes == null) return null;
List ret = new LinkedList();
Set keys = dirtyNodes.keySet();
Iterator i = keys.iterator();
while (i.hasNext()) {
WeakReference gnWRef = (WeakReference) i.next();
GraphicsNode gn = (GraphicsNode) gnWRef.get();
// GraphicsNode srcGN = gn;
// if the weak ref has been cleared then this node is no
// longer part of the GVT tree (and the change should be
// reflected in some ancestor that should also be in the
// dirty list).
if (gn == null) continue;
AffineTransform oat;
oat = (AffineTransform) dirtyNodes.get(gnWRef);
if (oat != null) {
oat = new AffineTransform(oat);
}
Rectangle2D srcORgn = (Rectangle2D) fromBounds.remove(gnWRef);
Rectangle2D srcNRgn = null;
AffineTransform nat = null;
if (!(srcORgn instanceof ChngSrcRect)) {
// For change srcs don't use the new bounds of parent node.
srcNRgn = gn.getBounds();
nat = gn.getTransform();
if (nat != null) nat = new AffineTransform(nat);
}
// System.out.println("Rgns: " + srcORgn + " - " + srcNRgn);
// System.out.println("ATs: " + oat + " - " + nat);
do {
// f.invalidateCache(oRng);
// f.invalidateCache(nRng);
// f = gn.getEnableBackgroundGraphicsNodeRable(false);
// (need to push rgn through filter chain if any...)
// f.invalidateCache(oRng);
// f.invalidateCache(nRng);
gn = gn.getParent();
if (gn == null) break; // We reached the top of the tree
Filter f = gn.getFilter();
if (f != null) {
srcNRgn = f.getBounds2D();
nat = null;
}
// Get the parent's current Affine
AffineTransform at = gn.getTransform();
// Get the parent's Affine last time we rendered.
gnWRef = gn.getWeakReference();
AffineTransform poat = (AffineTransform) dirtyNodes.get(gnWRef);
if (poat == null) poat = at;
if (poat != null) {
if (oat != null) oat.preConcatenate(poat);
else oat = new AffineTransform(poat);
}
if (at != null) {
if (nat != null) nat.preConcatenate(at);
else nat = new AffineTransform(at);
}
} while (true);
if (gn == null) {
// We made it to the root graphics node so add them.
// System.out.println
// ("Adding: " + oat + " - " + nat + "\n" +
// srcORgn + "\n" + srcNRgn + "\n");
// <!>
Shape oRgn = srcORgn;
if ((oRgn != null) && (oRgn != NULL_RECT)) {
if (oat != null) oRgn = oat.createTransformedShape(srcORgn);
// System.err.println("GN: " + srcGN);
// System.err.println("Src: " + oRgn.getBounds2D());
ret.add(oRgn);
}
if (srcNRgn != null) {
Shape nRgn = srcNRgn;
if (nat != null) nRgn = nat.createTransformedShape(srcNRgn);
if (nRgn != null) ret.add(nRgn);
}
}
}
fromBounds.clear();
dirtyNodes.clear();
return ret;
}
