/**
* Sends image as an URL to IE 8 & 9, base64 data for others
*
* @param url
* @param bufferedImage
* @param bbox
* @param isTiled
*/
protected void sendWFSImage(
String url,
BufferedImage bufferedImage,
Double[] bbox,
boolean isTiled,
boolean isboundaryTile) {
if (bufferedImage == null) {
log.warn("Failed to send image");
return;
}
Map<String, Object> output = new HashMap<String, Object>();
output.put(OUTPUT_LAYER_ID, this.layerId);
Location location = this.session.getLocation();
Tile tileSize = null;
if (isTiled) {
tileSize = this.session.getTileSize();
} else {
tileSize = this.session.getMapSize();
}
output.put(OUTPUT_IMAGE_SRS, location.getSrs());
output.put(OUTPUT_IMAGE_BBOX, bbox);
output.put(OUTPUT_IMAGE_ZOOM, location.getZoom());
output.put(OUTPUT_IMAGE_TYPE, this.type.toString()); // "normal" | "highlight"
output.put(OUTPUT_KEEP_PREVIOUS, this.session.isKeepPrevious());
output.put(OUTPUT_BOUNDARY_TILE, isboundaryTile);
output.put(OUTPUT_IMAGE_WIDTH, tileSize.getWidth());
output.put(OUTPUT_IMAGE_HEIGHT, tileSize.getHeight());
output.put(OUTPUT_IMAGE_URL, url);
byte[] byteImage = WFSImage.imageToBytes(bufferedImage);
String base64Image = WFSImage.bytesToBase64(byteImage);
int base64Size = (base64Image.length() * 2) / 1024;
// IE6 & IE7 doesn't support base64, max size in base64 for IE8 is 32KB
if (!(this.session.getBrowser().equals(BROWSER_MSIE) && this.session.getBrowserVersion() < 8
|| this.session.getBrowser().equals(BROWSER_MSIE)
&& this.session.getBrowserVersion() == 8
&& base64Size >= 32)) {
output.put(OUTPUT_IMAGE_DATA, base64Image);
}
this.service.addResults(this.session.getClient(), ResultProcessor.CHANNEL_IMAGE, output);
}
/**
* Gets image from cache
*
* @param bbox
*/
protected BufferedImage getImageCache(Double[] bbox) {
return WFSImage.getCache(
this.layerId,
this.session.getLayers().get(this.layerId).getStyleName(),
this.session.getLocation().getSrs(),
bbox,
this.session.getLocation().getZoom());
}
/**
* Sets image to cache
*
* @param bufferedImage
* @param style
* @param bbox
* @param persistent
*/
protected void setImageCache(
BufferedImage bufferedImage, final String style, Double[] bbox, boolean persistent) {
WFSImage.setCache(
bufferedImage,
this.layerId,
style,
this.session.getLocation().getSrs(),
bbox,
this.session.getLocation().getZoom(),
persistent);
}