diff options
Diffstat (limited to 'src/jogl/classes/com')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/awt/AWTGLPixelBuffer.java | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/awt/AWTGLPixelBuffer.java b/src/jogl/classes/com/jogamp/opengl/util/awt/AWTGLPixelBuffer.java index 77b14b424..a33356067 100644 --- a/src/jogl/classes/com/jogamp/opengl/util/awt/AWTGLPixelBuffer.java +++ b/src/jogl/classes/com/jogamp/opengl/util/awt/AWTGLPixelBuffer.java @@ -101,20 +101,24 @@ public class AWTGLPixelBuffer extends GLPixelBuffer { if( width * height > image.getWidth() * image.getHeight() ) { throw new IllegalArgumentException("Requested size exceeds image size: "+width+"x"+height+" > "+image.getWidth()+"x"+image.getHeight()); } - if( width == image.getWidth() ) { - if( height == image.getHeight() ) { - return image; - } - return image.getSubimage(0, 0, width, height); + if( width == image.getWidth() && height == image.getHeight() ) { + return image; + } else { + final ColorModel cm = image.getColorModel(); + final WritableRaster raster0 = image.getRaster(); + final DataBuffer dataBuffer = raster0.getDataBuffer(); + final SinglePixelPackedSampleModel sppsm0 = (SinglePixelPackedSampleModel) raster0.getSampleModel(); + final SinglePixelPackedSampleModel sppsm1 = new SinglePixelPackedSampleModel(dataBuffer.getDataType(), + width, height, width /* scanLineStride */, sppsm0.getBitMasks()); + final WritableRaster raster1 = WritableRaster.createWritableRaster(sppsm1, dataBuffer, null); + return new BufferedImage (cm, raster1, cm.isAlphaPremultiplied(), null); } - final ColorModel cm = image.getColorModel(); - final WritableRaster raster = image.getRaster(); - final DataBuffer dataBuffer = raster.getDataBuffer(); - final SinglePixelPackedSampleModel sppsm0 = (SinglePixelPackedSampleModel) raster.getSampleModel(); - final SinglePixelPackedSampleModel sppsm1 = new SinglePixelPackedSampleModel(dataBuffer.getDataType(), - width, height, width /* scanLineStride */, sppsm0.getBitMasks()); - final WritableRaster raster1 = WritableRaster.createWritableRaster(sppsm1, dataBuffer, null); - return new BufferedImage (cm, raster1, cm.isAlphaPremultiplied(), null); + } + + public final boolean isDataBufferSource(BufferedImage imageU) { + final DataBuffer dataBuffer0 = image.getRaster().getDataBuffer(); + final DataBuffer dataBufferU = imageU.getRaster().getDataBuffer(); + return dataBufferU == dataBuffer0; } @Override |