protected void writeImage(DataRaster raster, String formatSuffix, java.io.File file)
throws java.io.IOException {
BufferedImageRaster bufferedImageRaster = (BufferedImageRaster) raster;
BufferedImage image = bufferedImageRaster.getBufferedImage();
ByteArrayOutputStream os = new ByteArrayOutputStream();
ByteArrayOutputStream osalpha = new ByteArrayOutputStream();
ImageIO.write(image, formatSuffix, os);
try {
InputStream input = new ByteArrayInputStream(os.toByteArray());
PNGDecoder decoder = new PNGDecoder(input);
ByteBuffer buf = ByteBuffer.allocateDirect(3 * decoder.getWidth() * decoder.getHeight());
decoder.decode(buf, decoder.getWidth() * 3, Format.RGB);
buf.flip();
// per NicoLino:
// se guardi BufferedImage.TYPE_INT_ARGB la descrizione dice che i pixel sono scritti in
// formato RGBA:
// ----public static final int TYPE_INT_ARGB
// ------Represents an image with 8-bit RGBA color components packed into integer pixels. 6
// ------The image has a DirectColorModel with alpha. The color data in this image is
// considered not to be premultiplied with alpha.
// Qundi mi pare abbastanza facile usare laclasse PNGDecoder2 che ha anche il formato
// Format.RGBA
// Per provare ti basta quindi andare a cercare i TODO che ho lasciato io dove ho forzato
// l'immagine a OPAQUE (prima era forzato a TRANSPARENT).
// Se funziona anche sui transparent è una figata e basta evitare che scriva i pkm per i layer
// di overlay (basta mattere un parametro come il TRILOGIS della trasparenza)
// Se non funziona fanculo....
// a memoria gli OPAQUE messi sono: BUFFEREDIMAGERASTER nella funzione doGetSubraster
// e TRANSPARENT TILEDIMAGE PRODUCER protected DataRaster createDataRaster vedi un po
String filenamepkm = file.getAbsolutePath().replace(".png", "") + ".pkm";
writeToFilePkm(buf, decoder.getWidth(), decoder.getHeight(), filenamepkm);
if (image.getTransparency() == Transparency.TRANSLUCENT) {
BufferedImage alpha = extractAlphaInline(image);
ImageIO.write(alpha, formatSuffix, osalpha);
InputStream inputa = new ByteArrayInputStream(osalpha.toByteArray());
PNGDecoder decodera = new PNGDecoder(inputa);
ByteBuffer bufa = ByteBuffer.allocateDirect(3 * decodera.getWidth() * decodera.getHeight());
decodera.decode(
bufa,
decoder.getWidth() * 3,
Format.RGB); // TODO maybe rgb is wrong since extract alpha creates bgr
bufa.flip();
String filenamepkmalpha = file.getAbsolutePath().replace(".png", "") + "_alpha.pkm";
writeToFilePkm(bufa, decodera.getWidth(), decodera.getHeight(), filenamepkmalpha);
// writeAlphaToFile(bufa,decodera.getWidth(), decodera.getHeight(),
// file.getAbsolutePath());
}
System.out.println(
"Written PKM: '"
+ file.getParentFile().getParentFile().getName()
+ "/"
+ file.getParentFile().getName()
+ "/"
+ file.getName()
+ "'");
} catch (Exception e) {
System.out.println(
"Exception saving '"
+ file.getParentFile().getParentFile().getName()
+ "/"
+ file.getParentFile().getName()
+ "/"
+ file.getName()
+ "' pkm: "
+ e.getMessage());
} finally {
if (os != null) {
os.close();
}
if (osalpha != null) {
osalpha.close();
}
}
}
public ImageFormatter serviceRequest(IMapRequest req) throws IOException, WMSServiceException {
ImageFormatter formatter = null;
try {
Sector reqExtent =
(SingleFileLayer.this.isElevation)
? req.getExtentForElevationRequest()
: req.getExtent();
if (null == this.intersects(reqExtent, SingleFileLayer.this.getBBox())) {
String msg =
Logging.getMessage(
"WMS.Layer.OutOfCoverage",
reqExtent.toString(),
SingleFileLayer.this.getBBox().toString());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
if (req.getHeight() <= 0 || req.getWidth() <= 0) {
String msg =
Logging.getMessage("generic.InvalidImageSize", req.getWidth(), req.getHeight());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
DataRaster[] rasters = SingleFileLayer.this.rasters;
if (null == rasters || 0 == rasters.length) {
String msg = Logging.getMessage("nullValue.RasterIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
double missingDataReplacement = (double) SingleFileLayer.this.nodataReplacement;
try {
String s = req.getBGColor();
if (null != s) {
missingDataReplacement = Double.parseDouble(s);
}
} catch (Exception e) {
missingDataReplacement = (double) SingleFileLayer.this.nodataReplacement;
}
DataRaster raster = rasters[0];
if (raster instanceof BufferedImageRaster) {
BufferedImageRaster reqRaster =
new BufferedImageRaster(
req.getWidth(), req.getHeight(), Transparency.TRANSLUCENT, reqExtent);
raster.drawOnTo(reqRaster);
BufferedImage img = reqRaster.getBufferedImage();
this.makeNoDataTransparent(
img, SingleFileLayer.this.nodataSignal, (short) missingDataReplacement);
formatter = new BufferedImageFormatter(img);
} else if (raster instanceof ByteBufferRaster) {
AVList reqParams = new AVListImpl();
reqParams.setValue(AVKey.WIDTH, req.getWidth());
reqParams.setValue(AVKey.HEIGHT, req.getHeight());
reqParams.setValue(AVKey.SECTOR, reqExtent);
reqParams.setValue(
AVKey.BYTE_ORDER, AVKey.LITTLE_ENDIAN); // by default BIL is LITTLE ENDIAN
reqParams.setValue(AVKey.PIXEL_FORMAT, AVKey.ELEVATION);
String reqFormat = req.getFormat();
if (null != reqFormat && reqFormat.endsWith("32")) {
reqParams.setValue(AVKey.DATA_TYPE, AVKey.FLOAT32);
} else {
reqParams.setValue(AVKey.DATA_TYPE, AVKey.INT16);
}
reqParams.setValue(AVKey.MISSING_DATA_REPLACEMENT, missingDataReplacement);
ByteBufferRaster reqRaster =
new ByteBufferRaster(req.getWidth(), req.getHeight(), reqExtent, reqParams);
raster.drawOnTo(reqRaster);
if (SingleFileLayer.this.convertFeetToMeters) {
this.convertFeetToMeters(reqRaster);
}
formatter = new DataRasterFormatter(reqRaster);
} else {
String msg =
Logging.getMessage(
"generic.UnrecognizedImageSourceType", raster.getClass().getName());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
} catch (WMSServiceException wmsse) {
throw wmsse;
} catch (Exception ex) {
Logging.logger()
.log(
java.util.logging.Level.SEVERE,
SingleFileLayer.this.getThreadId() + ex.getMessage(),
ex);
// throw new WMSServiceException( s );
} finally {
}
return formatter;
}
protected void doDrawOnTo(BufferedImageRaster canvas) {
Sector sector = this.getSector();
if (null == sector) {
String message = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (!sector.intersects(canvas.getSector())) {
return;
}
java.awt.Graphics2D g2d = null;
java.awt.Shape prevClip = null;
java.awt.Composite prevComposite = null;
java.lang.Object prevInterpolation = null, prevAntialiasing = null;
try {
int canvasWidth = canvas.getWidth();
int canvasHeight = canvas.getHeight();
// Apply the transform that correctly maps the image onto the canvas.
java.awt.geom.AffineTransform transform =
this.computeSourceToDestTransform(
this.getWidth(),
this.getHeight(),
this.getSector(),
canvasWidth,
canvasHeight,
canvas.getSector());
AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BILINEAR);
Rectangle2D rect = op.getBounds2D(this.getBufferedImage());
int clipWidth =
(int) Math.ceil((rect.getMaxX() >= canvasWidth) ? canvasWidth : rect.getMaxX());
int clipHeight =
(int) Math.ceil((rect.getMaxY() >= canvasHeight) ? canvasHeight : rect.getMaxY());
if (clipWidth <= 0 || clipHeight <= 0) {
return;
}
g2d = canvas.getGraphics();
prevClip = g2d.getClip();
prevComposite = g2d.getComposite();
prevInterpolation = g2d.getRenderingHint(RenderingHints.KEY_INTERPOLATION);
prevAntialiasing = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
// Set the alpha composite for appropriate alpha blending.
g2d.setComposite(java.awt.AlphaComposite.SrcOver);
g2d.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.drawImage(this.getBufferedImage(), transform, null);
}
// catch (java.awt.image.ImagingOpException ioe)
// {
// // If we catch a ImagingOpException, then the transformed image has a width or
// height of 0.
// // This indicates that there is no intersection between the source image and the
// canvas,
// // or the intersection is smaller than one pixel.
// }
// catch (java.awt.image.RasterFormatException rfe)
// {
// // If we catch a RasterFormatException, then the transformed image has a width or
// height of 0.
// // This indicates that there is no intersection between the source image and the
// canvas,
// // or the intersection is smaller than one pixel.
// }
catch (Throwable t) {
String reason = WWUtil.extractExceptionReason(t);
Logging.logger().log(java.util.logging.Level.SEVERE, reason, t);
} finally {
// Restore the previous clip, composite, and transform.
try {
if (null != g2d) {
if (null != prevClip) g2d.setClip(prevClip);
if (null != prevComposite) g2d.setComposite(prevComposite);
if (null != prevInterpolation)
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, prevInterpolation);
if (null != prevAntialiasing)
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, prevAntialiasing);
}
} catch (Throwable t) {
Logging.logger().log(java.util.logging.Level.FINEST, WWUtil.extractExceptionReason(t), t);
}
}
}
