private static String generateDemoUrl(String layerName, String gridSetId, ImageMime imageMime) {
return "<a href=\"demo/"
+ layerName
+ "?gridSet="
+ gridSetId
+ "&format="
+ imageMime.getFormat()
+ "\">"
+ imageMime.getFileExtension()
+ "</a>";
}
protected void writeResponse(HttpServletResponse response, RuntimeStats stats)
throws IOException, OutsideCoverageException, GeoWebCacheException {
determineSourceResolution();
determineCanvasLayout();
createCanvas();
renderCanvas();
scaleRaster();
response.setStatus(HttpServletResponse.SC_OK);
response.setContentType(this.outputFormat.getMimeType());
response.setCharacterEncoding("UTF-8");
ServletOutputStream os = response.getOutputStream();
AccountingOutputStream aos = new AccountingOutputStream(os);
try {
ImageIO.write(canvas, outputFormat.getInternalName(), aos);
aos.close();
} catch (IOException ioe) {
log.debug("IOException writing untiled response to client: " + ioe.getMessage());
}
log.debug("WMS response size: " + aos.getCount() + "bytes.");
stats.log(aos.getCount(), CacheResult.WMS);
}
protected void createCanvas() {
// TODO take bgcolor and transparency from request into account
// should move this into a separate function
Color bgColor = null;
boolean transparent = true;
if (layer instanceof WMSLayer) {
WMSLayer wmsLayer = (WMSLayer) layer;
int[] colorAr = wmsLayer.getBackgroundColor();
if (colorAr != null) {
bgColor = new Color(colorAr[0], colorAr[1], colorAr[2]);
}
transparent = wmsLayer.getTransparent();
}
int canvasType;
if (bgColor == null
&& transparent
&& (outputFormat.supportsAlphaBit() || outputFormat.supportsAlphaChannel())) {
canvasType = BufferedImage.TYPE_INT_ARGB;
} else {
canvasType = BufferedImage.TYPE_INT_RGB;
if (bgColor == null) {
bgColor = Color.WHITE;
}
}
// Create the actual canvas and graphics object
canvas = new BufferedImage(canvasSize[0], canvasSize[1], canvasType);
gfx = (Graphics2D) canvas.getGraphics();
if (bgColor != null) {
gfx.setColor(bgColor);
gfx.fillRect(0, 0, canvasSize[0], canvasSize[1]);
}
}
protected WMSTileFuser(TileLayerDispatcher tld, StorageBroker sb, HttpServletRequest servReq)
throws GeoWebCacheException {
this.sb = sb;
String[] keys = {
"layers", "format", "srs", "bbox", "width", "height", "transparent", "bgcolor"
};
Map<String, String> values =
ServletUtils.selectedStringsFromMap(
servReq.getParameterMap(), servReq.getCharacterEncoding(), keys);
// TODO Parameter filters?
String layerName = values.get("layers");
layer = tld.getTileLayer(layerName);
List<MimeType> ml = layer.getMimeTypes();
Iterator<MimeType> iter = ml.iterator();
while (iter.hasNext()) {
MimeType mt = iter.next();
if (mt.getInternalName().equalsIgnoreCase("png")) {
this.srcFormat = (ImageMime) mt;
}
}
gridSubset = layer.getGridSubsetForSRS(SRS.getSRS(values.get("srs")));
outputFormat = (ImageMime) ImageMime.createFromFormat(values.get("format"));
reqBounds = new BoundingBox(values.get("bbox"));
reqWidth = Integer.valueOf(values.get("width"));
reqHeight = Integer.valueOf(values.get("height"));
// if(values[6] != null) {
// this.reqTransparent = Boolean.valueOf(values[6]);
// }
// if(values[7] != null) {
// this.reqBgColor = values[7];
// }
fullParameters =
layer.getModifiableParameters(servReq.getParameterMap(), servReq.getCharacterEncoding());
}