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| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | java/awt/image/WritableRaster.java | 19 |
2 files changed, 24 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2006-11-27 Francis Kung <fkung@redhat.com> + + * java/awt/image/WritableRaster.java + (createChild): Implemented. + 2006-11-27 Roman Kennke <kennke@aicas.com> * java/awt/font/TextLayout.java diff --git a/java/awt/image/WritableRaster.java b/java/awt/image/WritableRaster.java index d2ea4a8aa..bf8db140c 100644 --- a/java/awt/image/WritableRaster.java +++ b/java/awt/image/WritableRaster.java @@ -150,6 +150,25 @@ public class WritableRaster extends Raster sampleModelTranslateY + childMinY - parentY), this); } + + public Raster createChild(int parentX, int parentY, int width, + int height, int childMinX, int childMinY, + int[] bandList) + { + if (parentX < minX || parentX + width > minX + this.width + || parentY < minY || parentY + height > minY + this.height) + throw new RasterFormatException("Child raster extends beyond parent"); + + SampleModel sm = (bandList == null) ? + sampleModel : + sampleModel.createSubsetSampleModel(bandList); + + return new WritableRaster(sm, dataBuffer, + new Rectangle(childMinX, childMinY, width, height), + new Point(sampleModelTranslateX + childMinX - parentX, + sampleModelTranslateY + childMinY - parentY), + this); + } public void setDataElements(int x, int y, Object inData) { |