public void testCreateFromBufferedImageType() {
for (int i = BufferedImage.TYPE_INT_RGB; i <= BufferedImage.TYPE_BYTE_INDEXED; i++) {
BufferedImage bi = new BufferedImage(1, 1, i);
ColorModel expected = bi.getColorModel();
ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier.createFromBufferedImageType(i);
ColorModel actual = typeSpecifier.getColorModel();
String msg =
"Failed to create correct ImageTypeSpecifier, bufferedImageType = " + Integer.toString(i);
assertEquals(msg, expected.getClass(), actual.getClass());
assertEquals(msg, expected.getColorSpace(), actual.getColorSpace());
assertEquals(msg, expected.getTransferType(), actual.getTransferType());
assertEquals(msg, expected.getTransparency(), actual.getTransparency());
}
}
private void writeColorModel(DataOutput out, ColorModel colorModel) throws IOException {
if (colorModel instanceof DirectColorModel) {
out.writeInt(DIRECT_COLOR_MODEL);
writeDirectColorModel(out, (DirectColorModel) colorModel);
} else
throw new SGIORuntimeException("Unsupported ColorModel " + colorModel.getClass().getName());
}
private void writeBufferedImageNoCompression(DataOutput out, BufferedImage image)
throws IOException {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
DataOutputStream dataOut = new DataOutputStream(byteStream);
ColorModel colorModel = (ColorModel) image.getColorModel();
if (colorModel instanceof ComponentColorModel) {
ComponentColorModel cm = (ComponentColorModel) colorModel;
int numComponents = cm.getNumComponents();
int type;
switch (numComponents) {
case 3:
type = BufferedImage.TYPE_INT_RGB;
break;
case 4:
type = BufferedImage.TYPE_INT_ARGB;
break;
default:
throw new SGIORuntimeException(
"Unsupported ColorModel " + colorModel.getClass().getName());
}
BufferedImage tmpBuf = new BufferedImage(image.getWidth(), image.getHeight(), type);
WritableRaster dstRaster = tmpBuf.getRaster();
Raster srcRaster = image.getRaster();
dstRaster.setRect(srcRaster);
image = tmpBuf;
}
writeColorModel(dataOut, image.getColorModel());
writeWritableRaster(dataOut, image.getRaster());
dataOut.writeBoolean(image.isAlphaPremultiplied());
dataOut.close();
byte[] buffer = byteStream.toByteArray();
out.writeInt(buffer.length);
out.write(buffer);
}
public static void dumpImageInfo(RenderedImage image) {
final SampleModel sampleModel = image.getSampleModel();
final ColorModel colorModel = image.getColorModel();
System.out.println("image: " + image);
System.out.println(" minX = " + image.getMinX());
System.out.println(" minY = " + image.getMinY());
System.out.println(" width = " + image.getWidth());
System.out.println(" height = " + image.getHeight());
System.out.println(
" colorModel = " + (colorModel != null ? colorModel.getClass() : "null"));
System.out.println(
" colorSpace = " + (colorModel != null ? colorModel.getColorSpace() : "null"));
System.out.println(" sampleModel = " + sampleModel.getClass());
System.out.println(" numBands = " + sampleModel.getNumBands());
System.out.println(" dataType = " + sampleModel.getDataType());
System.out.println(" transferType = " + sampleModel.getTransferType());
System.out.println(" tileGridXOffset = " + image.getTileGridXOffset());
System.out.println(" tileGridYOffset = " + image.getTileGridYOffset());
System.out.println(" minTileX = " + image.getMinTileX());
System.out.println(" minTileY = " + image.getMinTileY());
System.out.println(" tileWidth = " + image.getTileWidth());
System.out.println(" tileHeight = " + image.getTileHeight());
}
