/**
* 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;
}
}
/**
* 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;
}
/**
* 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);
}
