protected void validateParameters(AVList list, int srcWidth, int srcHeight)
throws IllegalArgumentException {
if (null == list || 0 == list.getValues().size()) {
String reason = Logging.getMessage("nullValue.AVListIsNull");
String msg = Logging.getMessage("GeotiffWriter.GeoKeysMissing", reason);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
if (!(srcWidth > 0 && srcHeight > 0)) {
String msg = Logging.getMessage("generic.InvalidImageSize", srcWidth, srcHeight);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
if (list.hasKey(AVKey.WIDTH)) {
int width = (Integer) list.getValue(AVKey.WIDTH);
if (width != srcWidth) {
String msg = Logging.getMessage("GeotiffWriter.ImageWidthMismatch", width, srcWidth);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
} else list.setValue(AVKey.WIDTH, srcWidth);
if (list.hasKey(AVKey.HEIGHT)) {
int height = (Integer) list.getValue(AVKey.HEIGHT);
if (height != srcHeight) {
String msg = Logging.getMessage("GeotiffWriter.ImageHeightMismatch", height, srcHeight);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
} else list.setValue(AVKey.HEIGHT, srcHeight);
Sector sector = null;
if (list.hasKey(AVKey.SECTOR)) sector = (Sector) list.getValue(AVKey.SECTOR);
if (null == sector) {
String msg = Logging.getMessage("GeotiffWriter.NoSectorSpecified");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (!list.hasKey(AVKey.COORDINATE_SYSTEM)) {
String msg = Logging.getMessage("GeotiffWriter.GeoKeysMissing", AVKey.COORDINATE_SYSTEM);
Logging.logger().finest(msg);
// throw new IllegalArgumentException(msg);
// assume Geodetic Coordinate System
list.setValue(AVKey.COORDINATE_SYSTEM, AVKey.COORDINATE_SYSTEM_GEOGRAPHIC);
}
if (!list.hasKey(AVKey.PROJECTION_EPSG_CODE)) {
if (isGeographic(list)) {
// assume WGS84
list.setValue(AVKey.PROJECTION_EPSG_CODE, GeoTiff.GCS.WGS_84);
} else {
String msg = Logging.getMessage("GeotiffWriter.GeoKeysMissing", AVKey.PROJECTION_EPSG_CODE);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
// if PIXEL_WIDTH is specified, we are not overriding it because UTM images
// will have different pixel size
if (!list.hasKey(AVKey.PIXEL_WIDTH)) {
if (isGeographic(list)) {
double pixelWidth = sector.getDeltaLonDegrees() / (double) srcWidth;
list.setValue(AVKey.PIXEL_WIDTH, pixelWidth);
} else {
String msg = Logging.getMessage("GeotiffWriter.GeoKeysMissing", AVKey.PIXEL_WIDTH);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
// if PIXEL_HEIGHT is specified, we are not overriding it
// because UTM images will have different pixel size
if (!list.hasKey(AVKey.PIXEL_HEIGHT)) {
if (isGeographic(list)) {
double pixelHeight = sector.getDeltaLatDegrees() / (double) srcHeight;
list.setValue(AVKey.PIXEL_HEIGHT, pixelHeight);
} else {
String msg = Logging.getMessage("GeotiffWriter.GeoKeysMissing", AVKey.PIXEL_HEIGHT);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
if (!list.hasKey(AVKey.PIXEL_FORMAT)) {
String msg = Logging.getMessage("GeotiffWriter.GeoKeysMissing", AVKey.PIXEL_FORMAT);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
} else {
String pixelFormat = list.getStringValue(AVKey.PIXEL_FORMAT);
if (!AVKey.ELEVATION.equals(pixelFormat) && !AVKey.IMAGE.equals(pixelFormat)) {
String msg =
Logging.getMessage("Geotiff.UnknownGeoKeyValue", pixelFormat, AVKey.PIXEL_FORMAT);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
}
// validate elevation parameters
if (AVKey.ELEVATION.equals(list.getValue(AVKey.PIXEL_FORMAT))) {
if (!list.hasKey(AVKey.DATA_TYPE)) {
String msg = Logging.getMessage("GeotiffWriter.GeoKeysMissing", AVKey.DATA_TYPE);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
String type = list.getStringValue(AVKey.DATA_TYPE);
if (!AVKey.FLOAT32.equals(type) && !AVKey.INT16.equals(type)) {
String msg = Logging.getMessage("Geotiff.UnknownGeoKeyValue", type, AVKey.DATA_TYPE);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
}
if (!list.hasKey(AVKey.ORIGIN)) {
// set UpperLeft corner as the origin, if not specified
LatLon origin = new LatLon(sector.getMaxLatitude(), sector.getMinLongitude());
list.setValue(AVKey.ORIGIN, origin);
}
if (list.hasKey(AVKey.BYTE_ORDER)
&& !AVKey.BIG_ENDIAN.equals(list.getStringValue(AVKey.BYTE_ORDER))) {
String msg =
Logging.getMessage(
"generic.UnrecognizedByteOrder", list.getStringValue(AVKey.BYTE_ORDER));
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (!list.hasKey(AVKey.DATE_TIME)) {
// add NUL (\0) termination as required by TIFF v6 spec (20 bytes length)
String timestamp = String.format("%1$tY:%1$tm:%1$td %tT\0", Calendar.getInstance());
list.setValue(AVKey.DATE_TIME, timestamp);
}
if (!list.hasKey(AVKey.VERSION)) {
list.setValue(AVKey.VERSION, Version.getVersion());
}
}
public void write(BufferedImage image, AVList params) throws IOException {
if (image == null) {
String msg = Logging.getMessage("nullValue.ImageSource");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (0 == image.getWidth() || 0 == image.getHeight()) {
String msg =
Logging.getMessage("generic.InvalidImageSize", image.getWidth(), image.getHeight());
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (null == params || 0 == params.getValues().size()) {
String reason = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().finest(Logging.getMessage("GeotiffWriter.GeoKeysMissing", reason));
params = new AVListImpl();
} else {
this.validateParameters(params, image.getWidth(), image.getHeight());
}
// how we proceed in part depends upon the image type...
int type = image.getType();
// handle CUSTOM type which comes from our GeoTiffreader (for now)
if (BufferedImage.TYPE_CUSTOM == type) {
int numColorComponents = 0, numComponents = 0, pixelSize = 0, dataType = 0, csType = 0;
boolean hasAlpha = false;
if (null != image.getColorModel()) {
ColorModel cm = image.getColorModel();
numColorComponents = cm.getNumColorComponents();
numComponents = cm.getNumComponents();
pixelSize = cm.getPixelSize();
hasAlpha = cm.hasAlpha();
ColorSpace cs = cm.getColorSpace();
if (null != cs) csType = cs.getType();
}
if (null != image.getSampleModel()) {
SampleModel sm = image.getSampleModel();
dataType = sm.getDataType();
}
if (dataType == DataBuffer.TYPE_FLOAT && pixelSize == Float.SIZE && numComponents == 1) {
type = BufferedImage_TYPE_ELEVATION_FLOAT32;
} else if (dataType == DataBuffer.TYPE_SHORT
&& pixelSize == Short.SIZE
&& numComponents == 1) {
type = BufferedImage_TYPE_ELEVATION_SHORT16;
} else if (ColorSpace.CS_GRAY == csType && pixelSize == Byte.SIZE) {
type = BufferedImage.TYPE_BYTE_GRAY;
} else if (dataType == DataBuffer.TYPE_USHORT
&& ColorSpace.CS_GRAY == csType
&& pixelSize == Short.SIZE) {
type = BufferedImage.TYPE_USHORT_GRAY;
} else if (ColorSpace.TYPE_RGB == csType
&& pixelSize == 3 * Byte.SIZE
&& numColorComponents == 3) {
type = BufferedImage.TYPE_3BYTE_BGR;
} else if (ColorSpace.TYPE_RGB == csType
&& hasAlpha
&& pixelSize == 4 * Byte.SIZE
&& numComponents == 4) {
type = BufferedImage.TYPE_4BYTE_ABGR;
}
}
switch (type) {
case BufferedImage.TYPE_3BYTE_BGR:
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
case BufferedImage.TYPE_INT_RGB:
case BufferedImage.TYPE_INT_BGR:
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
{
this.writeColorImage(image, params);
}
break;
case BufferedImage.TYPE_USHORT_GRAY:
case BufferedImage.TYPE_BYTE_GRAY:
{
this.writeGrayscaleImage(image, params);
}
break;
case BufferedImage_TYPE_ELEVATION_SHORT16:
case BufferedImage_TYPE_ELEVATION_FLOAT32:
{
String msg = Logging.getMessage("GeotiffWriter.FeatureNotImplementedd", type);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
// break;
case BufferedImage.TYPE_CUSTOM:
default:
{
ColorModel cm = image.getColorModel();
SampleModel sm = image.getSampleModel();
StringBuffer sb =
new StringBuffer(Logging.getMessage("GeotiffWriter.UnsupportedType", type));
sb.append("\n");
sb.append("NumBands=").append(sm.getNumBands()).append("\n");
sb.append("NumDataElements=").append(sm.getNumDataElements()).append("\n");
sb.append("NumColorComponents=").append(cm.getNumColorComponents()).append("\n");
sb.append("NumComponents=").append(cm.getNumComponents()).append("\n");
sb.append("PixelSize=").append(cm.getPixelSize()).append("\n");
sb.append("hasAlpha=").append(cm.hasAlpha());
String msg = sb.toString();
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
}
}