Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/raster/RasterToPPM.java @ 801:d766fe2d917a
More javadoc.
gnv-artifacts/trunk@883 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Tue, 06 Apr 2010 16:53:43 +0000 |
| parents | c4156275c1e1 |
| children | f953c9a559d8 |
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| 800:db5b04ecb426 | 801:d766fe2d917a |
|---|---|
| 4 | 4 |
| 5 import java.io.IOException; | 5 import java.io.IOException; |
| 6 import java.io.OutputStream; | 6 import java.io.OutputStream; |
| 7 | 7 |
| 8 /** | 8 /** |
| 9 * Little helper class to write a Raster into an output stream | |
| 10 * as a Netpbm PPM file. | |
| 9 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> | 11 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
| 10 */ | 12 */ |
| 11 public class RasterToPPM | 13 public class RasterToPPM |
| 12 { | 14 { |
| 13 private RasterToPPM() { | 15 private RasterToPPM() { |
| 14 } | 16 } |
| 15 | 17 |
| 16 public static void writeToPPM(Raster raster, Palette palette, OutputStream out) | 18 /** |
| 19 * Writes a Raster to a given stream as PPM. | |
| 20 * @param raster The raster to be written. | |
| 21 * @param palette The palette used to figure out the rgb values. | |
| 22 * @param out The stream to write into. | |
| 23 * @throws IOException Thrown if some error occurred during writing | |
| 24 * data to the output stream. | |
| 25 */ | |
| 26 public static void writeToPPM( | |
| 27 Raster raster, | |
| 28 Palette palette, | |
| 29 OutputStream out | |
| 30 ) | |
| 17 throws IOException | 31 throws IOException |
| 18 { | 32 { |
| 19 int W = raster.getWidth(); | 33 int W = raster.getWidth(); |
| 20 int H = raster.getHeight(); | 34 int H = raster.getHeight(); |
| 21 out.write(("P6\n" + W + " " + H + "\n255\n").getBytes("US-ASCII")); | 35 out.write(("P6\n" + W + " " + H + "\n255\n").getBytes("US-ASCII")); |