diff options
Diffstat (limited to 'libjava/classpath/java/awt/image/BufferedImage.java')
| -rw-r--r-- | libjava/classpath/java/awt/image/BufferedImage.java | 327 |
1 files changed, 166 insertions, 161 deletions
diff --git a/libjava/classpath/java/awt/image/BufferedImage.java b/libjava/classpath/java/awt/image/BufferedImage.java index ef3141d0ead..c9879461ce2 100644 --- a/libjava/classpath/java/awt/image/BufferedImage.java +++ b/libjava/classpath/java/awt/image/BufferedImage.java @@ -39,7 +39,9 @@ exception statement from your version. */ package java.awt.image; import gnu.java.awt.Buffers; +import gnu.java.awt.ClasspathGraphicsEnvironment; import gnu.java.awt.ComponentDataBlitOp; +import gnu.java.awt.peer.gtk.CairoSurface; import java.awt.Graphics; import java.awt.Graphics2D; @@ -83,7 +85,7 @@ public class BufferedImage extends Image /** * Vector of TileObservers (or null) */ - Vector tileObservers; + Vector<TileObserver> tileObservers; /** * The image's WritableRaster @@ -143,39 +145,39 @@ public class BufferedImage extends Image { SampleModel sm = null; ColorModel cm = null; - boolean premultiplied = (type == BufferedImage.TYPE_INT_ARGB_PRE || - type == BufferedImage.TYPE_4BYTE_ABGR_PRE); + boolean premultiplied = (type == BufferedImage.TYPE_INT_ARGB_PRE + || type == BufferedImage.TYPE_4BYTE_ABGR_PRE); switch( type ) { case BufferedImage.TYPE_INT_RGB: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, - width, height, - new int[]{ 0x00FF0000, - 0x0000FF00, - 0x000000FF } ) ; - cm = new DirectColorModel( 24, 0xff0000, 0xff00, 0xff ); - break; + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, + width, height, + new int[]{ 0x00FF0000, + 0x0000FF00, + 0x000000FF } ) ; + cm = new DirectColorModel( 24, 0xff0000, 0xff00, 0xff ); + break; case BufferedImage.TYPE_3BYTE_BGR: - sm = new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE, - width, height, - 3, width * 3, - new int[]{ 2, 1, 0 } ); - cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), - false, false, - BufferedImage.OPAQUE, - DataBuffer.TYPE_BYTE); + sm = new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE, + width, height, + 3, width * 3, + new int[]{ 2, 1, 0 } ); + cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), + false, false, + BufferedImage.OPAQUE, + DataBuffer.TYPE_BYTE); break; case BufferedImage.TYPE_INT_ARGB: case BufferedImage.TYPE_INT_ARGB_PRE: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, - width, height, - new int[]{ 0x00FF0000, - 0x0000FF00, - 0x000000FF, - 0xFF000000 } ); + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, + width, height, + new int[]{ 0x00FF0000, + 0x0000FF00, + 0x000000FF, + 0xFF000000 } ); if (premultiplied) cm = new DirectColorModel( ColorSpace.getInstance(ColorSpace.CS_sRGB), 32, 0xff0000, 0xff00, 0xff, 0xff000000, @@ -183,7 +185,8 @@ public class BufferedImage extends Image Buffers.smallestAppropriateTransferType(32)); else cm = new DirectColorModel( 32, 0xff0000, 0xff00, 0xff, 0xff000000 ); - break; + + break; case BufferedImage.TYPE_4BYTE_ABGR: case BufferedImage.TYPE_4BYTE_ABGR_PRE: @@ -195,57 +198,58 @@ public class BufferedImage extends Image true, premultiplied, BufferedImage.TRANSLUCENT, DataBuffer.TYPE_BYTE); - break; + break; case BufferedImage.TYPE_INT_BGR: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, - width, height, - new int[]{ 0x000000FF, - 0x0000FF00, - 0x00FF0000 } ) ; - cm = new DirectColorModel( 24, 0xff, 0xff00, 0xff0000 ); + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, + width, height, + new int[]{ 0x000000FF, + 0x0000FF00, + 0x00FF0000 } ) ; + cm = new DirectColorModel( 24, 0xff, 0xff00, 0xff0000 ); break; case BufferedImage.TYPE_USHORT_565_RGB: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_USHORT, - width, height, - new int[]{ 0xF800, - 0x7E0, - 0x1F } ) ; - cm = new DirectColorModel( 16, 0xF800, 0x7E0, 0x1F ); - break; + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_USHORT, + width, height, + new int[]{ 0xF800, + 0x7E0, + 0x1F } ) ; + cm = new DirectColorModel( 16, 0xF800, 0x7E0, 0x1F ); + break; + case BufferedImage.TYPE_USHORT_555_RGB: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_USHORT, - width, height, - new int[]{ 0x7C00, - 0x3E0, - 0x1F } ) ; - cm = new DirectColorModel( 15, 0x7C00, 0x3E0, 0x1F ); - break; + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_USHORT, + width, height, + new int[]{ 0x7C00, + 0x3E0, + 0x1F } ) ; + cm = new DirectColorModel( 15, 0x7C00, 0x3E0, 0x1F ); + break; case BufferedImage.TYPE_BYTE_INDEXED: - cm = createDefaultIndexedColorModel( false ); + cm = createDefaultIndexedColorModel( false ); case BufferedImage.TYPE_BYTE_GRAY: - sm = new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE, - width, height, - 1, width, new int[]{ 0 } ); - break; + sm = new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE, + width, height, + 1, width, new int[]{ 0 } ); + break; case BufferedImage.TYPE_USHORT_GRAY: - sm = new PixelInterleavedSampleModel( DataBuffer.TYPE_USHORT, - width, height, - 1, width, new int[]{ 0 } ); - break; + sm = new PixelInterleavedSampleModel( DataBuffer.TYPE_USHORT, + width, height, + 1, width, new int[]{ 0 } ); + break; case BufferedImage.TYPE_BYTE_BINARY: - cm = createDefaultIndexedColorModel( true ); - sm = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, - width, height, 1); - break; + cm = createDefaultIndexedColorModel( true ); + sm = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, + width, height, 1); + break; default: - sm = null; + sm = null; } if( sm == null ) @@ -253,33 +257,41 @@ public class BufferedImage extends Image if( cm == null ) // only for the grayscale types { - int buftype; - int[] bits = new int[1]; - if( type == BufferedImage.TYPE_BYTE_GRAY ) - { - buftype = DataBuffer.TYPE_BYTE; - bits[0] = 8; - } - else - { - buftype = DataBuffer.TYPE_USHORT; - bits[0] = 16; - } - ColorSpace graySpace = ColorSpace.getInstance( ColorSpace.CS_GRAY ); - - cm = new ComponentColorModel( graySpace, bits, false, false, - Transparency.OPAQUE, buftype ); + int buftype; + int[] bits = new int[1]; + if( type == BufferedImage.TYPE_BYTE_GRAY ) + { + buftype = DataBuffer.TYPE_BYTE; + bits[0] = 8; + } + else + { + buftype = DataBuffer.TYPE_USHORT; + bits[0] = 16; + } + ColorSpace graySpace = ColorSpace.getInstance( ColorSpace.CS_GRAY ); + + cm = new ComponentColorModel( graySpace, bits, false, false, + Transparency.OPAQUE, buftype ); } - init( cm, - Raster.createWritableRaster(sm, new Point( 0, 0 ) ), - premultiplied, - null, // no properties - type ); + WritableRaster rst = null; + + // Attempt to create an accelerated backend for this image + GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment(); + if (env instanceof ClasspathGraphicsEnvironment) + rst = ((ClasspathGraphicsEnvironment)env).createRaster(cm, sm); + + // Default to a standard Java raster & databuffer if needed + if (rst == null) + rst = Raster.createWritableRaster(sm, new Point( 0, 0 ) ); + + init(cm, rst, premultiplied, + null, // no properties + type ); } - public BufferedImage(int w, int h, int type, - IndexColorModel indexcolormodel) + public BufferedImage(int w, int h, int type, IndexColorModel indexcolormodel) { if ((type != TYPE_BYTE_BINARY) && (type != TYPE_BYTE_INDEXED)) throw new IllegalArgumentException("Type must be TYPE_BYTE_BINARY or TYPE_BYTE_INDEXED"); @@ -289,27 +301,21 @@ public class BufferedImage extends Image throw new IllegalArgumentException("Byte type cannot have a larger than 256-color palette."); init( indexcolormodel, - indexcolormodel.createCompatibleWritableRaster(w, h), - indexcolormodel.isAlphaPremultiplied(), - null, // no properties - type ); + indexcolormodel.createCompatibleWritableRaster(w, h), + indexcolormodel.isAlphaPremultiplied(), + null, // no properties + type ); } - public BufferedImage(ColorModel colormodel, - WritableRaster writableraster, - boolean premultiplied, - Hashtable<?,?> properties) + public BufferedImage(ColorModel colormodel, WritableRaster writableraster, + boolean premultiplied, Hashtable<?,?> properties) { - init(colormodel, writableraster, premultiplied, properties, - TYPE_CUSTOM); + init(colormodel, writableraster, premultiplied, properties, TYPE_CUSTOM); } - private void init(ColorModel cm, - WritableRaster writableraster, - boolean premultiplied, - Hashtable properties, - int type) + private void init(ColorModel cm, WritableRaster writableraster, + boolean premultiplied, Hashtable properties, int type) { raster = writableraster; colorModel = cm; @@ -329,29 +335,32 @@ public class BufferedImage extends Image { if( binary ) { - byte[] t = new byte[]{ 0, (byte)255 }; - return new IndexColorModel( 1, 2, t, t, t ); + byte[] t = new byte[]{ 0, (byte)255 }; + return new IndexColorModel( 1, 2, t, t, t ); } byte[] r = new byte[256]; byte[] g = new byte[256]; byte[] b = new byte[256]; + int index = 0; for( int i = 0; i < 6; i++ ) for( int j = 0; j < 6; j++ ) - for( int k = 0; k < 6; k++ ) - { - r[ index ] = (byte)(i * 51); - g[ index ] = (byte)(j * 51); - b[ index ] = (byte)(k * 51); - index++; - } + for( int k = 0; k < 6; k++ ) + { + r[ index ] = (byte)(i * 51); + g[ index ] = (byte)(j * 51); + b[ index ] = (byte)(k * 51); + index++; + } + while( index < 256 ) { - r[ index ] = g[ index ] = b[ index ] = - (byte)(18 + (index - 216) * 6); - index++; + r[ index ] = g[ index ] = b[ index ] = + (byte)(18 + (index - 216) * 6); + index++; } + return new IndexColorModel( 8, 256, r, g, b ); } @@ -375,12 +384,13 @@ public class BufferedImage extends Image // create a src child that has the right bounds... WritableRaster src = raster.createWritableChild(x, y, w, h, x, y, - null // same bands - ); + null); // same bands + if (src.getSampleModel () instanceof ComponentSampleModel && dest.getSampleModel () instanceof ComponentSampleModel) // Refer to ComponentDataBlitOp for optimized data blitting: ComponentDataBlitOp.INSTANCE.filter(src, dest); + else { // slower path @@ -397,7 +407,8 @@ public class BufferedImage extends Image return env.createGraphics (this); } - public void flush() { + public void flush() + { } public WritableRaster getAlphaRaster() @@ -512,26 +523,24 @@ public class BufferedImage extends Image public int getRGB(int x, int y) { - Object rgbElem = raster.getDataElements(x, y, - null // create as needed - ); + Object rgbElem = raster.getDataElements(x, y, null); return colorModel.getRGB(rgbElem); } - public int[] getRGB(int startX, int startY, int w, int h, - int[] rgbArray, - int offset, int scanlineStride) + public int[] getRGB(int startX, int startY, int w, int h, int[] rgbArray, + int offset, int scanlineStride) { if (rgbArray == null) - { - /* - 000000000000000000 - 00000[#######----- [ = start - -----########----- ] = end - -----#######]00000 - 000000000000000000 */ - int size = (h-1)*scanlineStride + w; - rgbArray = new int[size]; + { + /* + 000000000000000000 + 00000[#######----- [ = start + -----########----- ] = end + -----#######]00000 + 000000000000000000 + */ + int size = (h-1)*scanlineStride + w; + rgbArray = new int[size]; } int endX = startX + w; @@ -547,15 +556,15 @@ public class BufferedImage extends Image Object rgbElem = null; for (int y=startY; y<endY; y++) { - int xoffset = offset; - for (int x=startX; x<endX; x++) - { - int rgb; - rgbElem = raster.getDataElements(x, y, rgbElem); - rgb = colorModel.getRGB(rgbElem); - rgbArray[xoffset++] = rgb; - } - offset += scanlineStride; + int xoffset = offset; + for (int x=startX; x<endX; x++) + { + int rgb; + rgbElem = raster.getDataElements(x, y, rgbElem); + rgb = colorModel.getRGB(rgbElem); + rgbArray[xoffset++] = rgb; + } + offset += scanlineStride; } return rgbArray; } @@ -572,14 +581,14 @@ public class BufferedImage extends Image public ImageProducer getSource() { - return new ImageProducer() { - - Vector consumers = new Vector(); + return new ImageProducer() + { + Vector<ImageConsumer> consumers = new Vector<ImageConsumer>(); public void addConsumer(ImageConsumer ic) { - if(!consumers.contains(ic)) - consumers.add(ic); + if(!consumers.contains(ic)) + consumers.add(ic); } public boolean isConsumer(ImageConsumer ic) @@ -589,7 +598,7 @@ public class BufferedImage extends Image public void removeConsumer(ImageConsumer ic) { - consumers.remove(ic); + consumers.remove(ic); } public void startProduction(ImageConsumer ic) @@ -610,9 +619,9 @@ public class BufferedImage extends Image consumers.add(ic); - for(int i=0;i<consumers.size();i++) + for(int i = 0; i < consumers.size(); i++) { - ImageConsumer c = (ImageConsumer) consumers.elementAt(i); + ImageConsumer c = consumers.elementAt(i); c.setHints(ImageConsumer.SINGLEPASS); c.setDimensions(getWidth(), getHeight()); c.setPixels(x, y, width, height, model, pixels, offset, stride); @@ -638,10 +647,8 @@ public class BufferedImage extends Image WritableRaster subRaster = getRaster().createWritableChild(x, y, w, h, 0, 0, null); - return new BufferedImage(getColorModel(), - subRaster, - isPremultiplied, - properties); + return new BufferedImage(getColorModel(), subRaster, isPremultiplied, + properties); } public Raster getTile(int tileX, int tileY) @@ -730,9 +737,7 @@ public class BufferedImage extends Image // create a dest child that has the right bounds... WritableRaster dest = - raster.createWritableChild(x, y, w, h, x, y, - null // same bands - ); + raster.createWritableChild(x, y, w, h, x, y, null); if (src.getSampleModel () instanceof ComponentSampleModel && dest.getSampleModel () instanceof ComponentSampleModel) @@ -762,14 +767,14 @@ public class BufferedImage extends Image Object rgbElem = null; for (int y=startY; y<endY; y++) { - int xoffset = offset; - for (int x=startX; x<endX; x++) - { - int argb = argbArray[xoffset++]; - rgbElem = colorModel.getDataElements(argb, rgbElem); - raster.setDataElements(x, y, rgbElem); - } - offset += scanlineStride; + int xoffset = offset; + for (int x=startX; x<endX; x++) + { + int argb = argbArray[xoffset++]; + rgbElem = colorModel.getDataElements(argb, rgbElem); + raster.setDataElements(x, y, rgbElem); + } + offset += scanlineStride; } } @@ -800,7 +805,7 @@ public class BufferedImage extends Image public void addTileObserver (TileObserver to) { if (tileObservers == null) - tileObservers = new Vector (); + tileObservers = new Vector<TileObserver>(); tileObservers.add (to); } |