List of usage examples for java.awt.image ColorModel getTransparency
public int getTransparency()
From source file:org.apache.fop.render.pdf.ImageRenderedAdapter.java
/** {@inheritDoc} */ @Override/*from w w w.jav a2 s .c om*/ public PDFColor getTransparentColor() { ColorModel cm = getEffectiveColorModel(); if (cm instanceof IndexColorModel) { IndexColorModel icm = (IndexColorModel) cm; if (cm.getTransparency() == IndexColorModel.TRANSLUCENT) { int transPixel = icm.getTransparentPixel(); return new PDFColor(icm.getRed(transPixel), icm.getGreen(transPixel), icm.getBlue(transPixel)); } } return new PDFColor(getImage().getTransparentColor()); }
From source file:org.apache.xmlgraphics.image.loader.impl.imageio.ImageLoaderImageIO.java
/** {@inheritDoc} */ public Image loadImage(ImageInfo info, Map hints, ImageSessionContext session) throws ImageException, IOException { RenderedImage imageData = null; IIOException firstException = null; IIOMetadata iiometa = (IIOMetadata) info.getCustomObjects().get(ImageIOUtil.IMAGEIO_METADATA); boolean ignoreMetadata = (iiometa != null); boolean providerIgnoresICC = false; Source src = session.needSource(info.getOriginalURI()); ImageInputStream imgStream = ImageUtil.needImageInputStream(src); try {//from w w w . ja v a2 s . c om Iterator iter = ImageIO.getImageReaders(imgStream); while (iter.hasNext()) { ImageReader reader = (ImageReader) iter.next(); try { imgStream.mark(); ImageReadParam param = reader.getDefaultReadParam(); reader.setInput(imgStream, false, ignoreMetadata); final int pageIndex = ImageUtil.needPageIndexFromURI(info.getOriginalURI()); try { if (ImageFlavor.BUFFERED_IMAGE.equals(this.targetFlavor)) { imageData = reader.read(pageIndex, param); } else { imageData = reader.read(pageIndex, param); //imageData = reader.readAsRenderedImage(pageIndex, param); //TODO Reenable the above when proper listeners are implemented //to react to late pixel population (so the stream can be closed //properly). } if (iiometa == null) { iiometa = reader.getImageMetadata(pageIndex); } providerIgnoresICC = checkProviderIgnoresICC(reader.getOriginatingProvider()); break; //Quit early, we have the image } catch (IndexOutOfBoundsException indexe) { throw new ImageException("Page does not exist. Invalid image index: " + pageIndex); } catch (IllegalArgumentException iae) { //Some codecs like com.sun.imageio.plugins.wbmp.WBMPImageReader throw //IllegalArgumentExceptions when they have trouble parsing the image. throw new ImageException("Error loading image using ImageIO codec", iae); } catch (IIOException iioe) { if (firstException == null) { firstException = iioe; } else { log.debug("non-first error loading image: " + iioe.getMessage()); } } try { //Try fallback for CMYK images BufferedImage bi = getFallbackBufferedImage(reader, pageIndex, param); imageData = bi; firstException = null; //Clear exception after successful fallback attempt break; } catch (IIOException iioe) { //ignore } imgStream.reset(); } finally { reader.dispose(); } } } finally { ImageUtil.closeQuietly(src); //TODO Some codecs may do late reading. } if (firstException != null) { throw new ImageException("Error while loading image: " + firstException.getMessage(), firstException); } if (imageData == null) { throw new ImageException("No ImageIO ImageReader found ."); } ColorModel cm = imageData.getColorModel(); Color transparentColor = null; if (cm instanceof IndexColorModel) { //transparent color will be extracted later from the image } else { if (providerIgnoresICC && cm instanceof ComponentColorModel) { // Apply ICC Profile to Image by creating a new image with a new // color model. ICC_Profile iccProf = tryToExctractICCProfile(iiometa); if (iccProf != null) { ColorModel cm2 = new ComponentColorModel(new ICC_ColorSpace(iccProf), cm.hasAlpha(), cm.isAlphaPremultiplied(), cm.getTransparency(), cm.getTransferType()); WritableRaster wr = Raster.createWritableRaster(imageData.getSampleModel(), null); imageData.copyData(wr); BufferedImage bi = new BufferedImage(cm2, wr, cm2.isAlphaPremultiplied(), null); imageData = bi; cm = cm2; } } // ImageIOUtil.dumpMetadataToSystemOut(iiometa); // Retrieve the transparent color from the metadata if (iiometa != null && iiometa.isStandardMetadataFormatSupported()) { Element metanode = (Element) iiometa.getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName); Element dim = ImageIOUtil.getChild(metanode, "Transparency"); if (dim != null) { Element child; child = ImageIOUtil.getChild(dim, "TransparentColor"); if (child != null) { String value = child.getAttribute("value"); if (value == null || value.length() == 0) { //ignore } else if (cm.getNumColorComponents() == 1) { int gray = Integer.parseInt(value); transparentColor = new Color(gray, gray, gray); } else { StringTokenizer st = new StringTokenizer(value); transparentColor = new Color(Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken())); } } } } } if (ImageFlavor.BUFFERED_IMAGE.equals(this.targetFlavor)) { return new ImageBuffered(info, (BufferedImage) imageData, transparentColor); } else { return new ImageRendered(info, imageData, transparentColor); } }
From source file:org.geoserver.wms.wms_1_1_1.GetMapIntegrationTest.java
@Test public void testTransparentPaletteOpaqueOutput() throws Exception { String url = "wms?LAYERS=" + getLayerId(MockData.TASMANIA_DEM) + "&styles=demTranslucent&" + "FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1" + "&REQUEST=GetMap&SRS=EPSG%3A4326" + "&BBOX=145,-43,146,-41&WIDTH=100&HEIGHT=200&bgcolor=0xFF0000"; BufferedImage bi = getAsImage(url, "image/png"); ColorModel cm = bi.getColorModel(); assertTrue(cm instanceof IndexColorModel); assertEquals(Transparency.OPAQUE, cm.getTransparency()); // grab a pixel in the low left corner, should be red (BG color) int[] pixel = new int[1]; bi.getRaster().getPixel(4, 196, pixel); int[] color = new int[3]; cm.getComponents(pixel[0], color, 0); assertEquals(255, color[0]);/* w ww. j a v a 2s. com*/ assertEquals(0, color[1]); assertEquals(0, color[2]); // a pixel high enough to be solid, should be fully green bi.getRaster().getPixel(56, 49, pixel); cm.getComponents(pixel[0], color, 0); assertEquals(0, color[0]); assertEquals(255, color[1]); assertEquals(0, color[2]); }
From source file:org.geoserver.wms.wms_1_1_1.GetMapIntegrationTest.java
@Test public void testTransparentPaletteTransparentOutput() throws Exception { String url = "wms?LAYERS=" + getLayerId(MockData.TASMANIA_DEM) + "&styles=demTranslucent&" + "FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1" + "&REQUEST=GetMap&SRS=EPSG%3A4326" + "&BBOX=145,-43,146,-41&WIDTH=100&HEIGHT=200&transparent=true"; BufferedImage bi = getAsImage(url, "image/png"); ColorModel cm = bi.getColorModel(); assertTrue(cm instanceof IndexColorModel); assertEquals(Transparency.TRANSLUCENT, cm.getTransparency()); // grab a pixel in the low left corner, should be transparent int[] pixel = new int[1]; bi.getRaster().getPixel(4, 196, pixel); int[] color = new int[4]; cm.getComponents(pixel[0], color, 0); assertEquals(0, color[3]);/*from w ww .j a va 2s . co m*/ // a pixel high enough to be solid, should be solid green bi.getRaster().getPixel(56, 49, pixel); cm.getComponents(pixel[0], color, 0); assertEquals(0, color[0]); assertEquals(255, color[1]); assertEquals(0, color[2]); assertEquals(255, color[3]); }
From source file:org.geoserver.wms.wms_1_1_1.GetMapIntegrationTest.java
@Test public void testTransparentPaletteTransparentOutputPng8() throws Exception { String url = "wms?LAYERS=" + getLayerId(MockData.TASMANIA_DEM) + "&styles=demTranslucent&" + "FORMAT=image%2Fpng8&SERVICE=WMS&VERSION=1.1.1" + "&REQUEST=GetMap&SRS=EPSG%3A4326" + "&BBOX=145,-43,146,-41&WIDTH=100&HEIGHT=200&transparent=true"; BufferedImage bi = getAsImage(url, "image/png; mode=8bit"); ColorModel cm = bi.getColorModel(); assertTrue(cm instanceof IndexColorModel); assertEquals(Transparency.TRANSLUCENT, cm.getTransparency()); // grab a pixel in the low left corner, should be transparent int[] pixel = new int[1]; bi.getRaster().getPixel(4, 196, pixel); int[] color = new int[4]; cm.getComponents(pixel[0], color, 0); assertEquals(0, color[3]);/*from w w w. j a v a2s .c om*/ // a pixel high enough to be solid, should be solid green bi.getRaster().getPixel(56, 49, pixel); cm.getComponents(pixel[0], color, 0); assertEquals(0, color[0]); assertEquals(255, color[1]); assertEquals(0, color[2]); assertEquals(255, color[3]); }
From source file:org.geoserver.wps.gs.GeorectifyCoverage.java
@DescribeResults({
@DescribeResult(name = "result", description = "Georectified raster", type = GridCoverage2D.class),
@DescribeResult(name = "path", description = "Pathname of the generated raster on the server", type = String.class) })
public Map<String, Object> execute(
@DescribeParameter(name = "data", description = "Input raster") GridCoverage2D coverage,
@DescribeParameter(name = "gcp", description = "List of Ground control points. Points are specified as [x,y] or [x,y,z].") String gcps,
@DescribeParameter(name = "bbox", description = "Bounding box for output", min = 0) Envelope bbox,
@DescribeParameter(name = "targetCRS", description = "Coordinate reference system to use for the output raster") CoordinateReferenceSystem crs,
@DescribeParameter(name = "width", description = "Width of output raster in pixels", min = 0) Integer width,
@DescribeParameter(name = "height", description = "Height of output raster in pixels", min = 0) Integer height,
@DescribeParameter(name = "warpOrder", min = 0, description = "Order of the warping polynomial (1 to 3)") Integer warpOrder,
@DescribeParameter(name = "transparent", min = 0, description = "Force output to have transparent background") Boolean transparent,
@DescribeParameter(name = "store", min = 0, description = "Indicates whether to keep the output file after processing") Boolean store,
@DescribeParameter(name = "outputPath", min = 0, description = "Pathname where the output file is stored") String outputPath)
throws IOException {
GeoTiffReader reader = null;//from ww w . j a va 2 s . c o m
List<File> removeFiles = new ArrayList<File>();
String location = null;
try {
File tempFolder = config.getTempFolder();
File loggingFolder = config.getLoggingFolder();
// do we have to add the alpha channel?
boolean forceTransparent = false;
if (transparent == null) {
transparent = true;
}
ColorModel cm = coverage.getRenderedImage().getColorModel();
if (cm.getTransparency() == Transparency.OPAQUE && transparent) {
forceTransparent = true;
}
// //
//
// STEP 1: Getting the dataset to be georectified
//
// //
final Object fileSource = coverage.getProperty(GridCoverage2DReader.FILE_SOURCE_PROPERTY);
if (fileSource != null && fileSource instanceof String) {
location = (String) fileSource;
}
if (location == null) {
RenderedImage image = coverage.getRenderedImage();
if (forceTransparent) {
ImageWorker iw = new ImageWorker(image);
iw.forceComponentColorModel();
final ImageLayout tempLayout = new ImageLayout(image);
tempLayout.unsetValid(ImageLayout.COLOR_MODEL_MASK).unsetValid(ImageLayout.SAMPLE_MODEL_MASK);
RenderedImage alpha = ConstantDescriptor.create(Float.valueOf(image.getWidth()),
Float.valueOf(image.getHeight()), new Byte[] { Byte.valueOf((byte) 255) },
new RenderingHints(JAI.KEY_IMAGE_LAYOUT, tempLayout));
iw.addBand(alpha, false);
image = iw.getRenderedImage();
cm = image.getColorModel();
}
File storedImageFile = storeImage(image, tempFolder);
location = storedImageFile.getAbsolutePath();
removeFiles.add(storedImageFile);
}
// //
//
// STEP 2: Adding Ground Control Points
//
// //
final int gcpNum[] = new int[1];
final String gcp = parseGcps(gcps, gcpNum);
File vrtFile = addGroundControlPoints(location, gcp, config.getGdalTranslateParameters());
if (vrtFile == null || !vrtFile.exists() || !vrtFile.canRead()) {
throw new IOException("Unable to get a valid file with attached Ground Control Points");
}
removeFiles.add(vrtFile);
// //
//
// STEP 3: Warping
//
// //
File warpedFile = warpFile(vrtFile, bbox, crs, width, height, warpOrder, tempFolder, loggingFolder,
config.getExecutionTimeout(), config.getGdalWarpingParameters());
if (warpedFile == null || !warpedFile.exists() || !warpedFile.canRead()) {
throw new IOException("Unable to get a valid georectified file");
}
boolean expand = false;
if (cm instanceof IndexColorModel) {
expand = true;
} else if (cm instanceof ComponentColorModel && cm.getNumComponents() == 1
&& cm.getComponentSize()[0] == 1) {
expand = true;
}
if (expand) {
removeFiles.add(warpedFile);
warpedFile = expandRgba(warpedFile.getAbsolutePath());
}
// if we have the output path move the final file there
if (Boolean.TRUE.equals(store) && outputPath != null) {
File output = new File(outputPath);
if (output.exists()) {
if (!output.delete()) {
throw new WPSException("Output file " + outputPath + " exists but cannot be overwritten");
}
} else {
File parent = output.getParentFile();
if (!parent.exists()) {
if (!parent.mkdirs()) {
throw new WPSException("Output file parent directory " + parent.getAbsolutePath()
+ " does not exist and cannot be created");
}
}
}
if (!warpedFile.renameTo(output)) {
throw new WPSException("Could not move " + warpedFile.getAbsolutePath() + " to " + outputPath
+ ", it's likely a permission issue");
}
warpedFile = output;
}
// mark the output file for deletion at the end of request
if (resourceManager != null && !Boolean.TRUE.equals(store)) {
resourceManager.addResource(new WPSFileResource(warpedFile));
}
// //
//
// FINAL STEP: Returning the warped gridcoverage
//
// //
reader = new GeoTiffReader(warpedFile);
GridCoverage2D cov = addLocationProperty(reader.read(null), warpedFile);
Map<String, Object> result = new HashMap<String, Object>();
result.put("result", cov);
result.put("path", warpedFile.getAbsolutePath());
return result;
} finally {
if (reader != null) {
try {
reader.dispose();
} catch (Throwable t) {
// Does nothing
}
}
for (File file : removeFiles) {
deleteFile(file);
}
}
}