diff options
Diffstat (limited to 'java/awt/image/BufferedImage.java')
| -rw-r--r-- | java/awt/image/BufferedImage.java | 180 |
1 files changed, 90 insertions, 90 deletions
diff --git a/java/awt/image/BufferedImage.java b/java/awt/image/BufferedImage.java index 260d254fd..094c71dd1 100644 --- a/java/awt/image/BufferedImage.java +++ b/java/awt/image/BufferedImage.java @@ -61,7 +61,7 @@ import java.util.Vector; * the image consists of one large tile (0,0) with the width and * height of the image. This tile is always considered to be checked * out. - * + * * @author Rolf W. Rasmussen (rolfwr@ii.uib.no) */ public class BufferedImage extends Image @@ -81,12 +81,12 @@ public class BufferedImage extends Image TYPE_USHORT_GRAY = 11, TYPE_BYTE_BINARY = 12, TYPE_BYTE_INDEXED = 13; - + /** * Vector of TileObservers (or null) */ Vector<TileObserver> tileObservers; - + /** * The image's WritableRaster */ @@ -115,7 +115,7 @@ public class BufferedImage extends Image /** * Creates a new <code>BufferedImage</code> with the specified width, height * and type. Valid <code>type</code> values are: - * + * * <ul> * <li>{@link #TYPE_INT_RGB}</li> * <li>{@link #TYPE_INT_ARGB}</li> @@ -131,11 +131,11 @@ public class BufferedImage extends Image * <li>{@link #TYPE_BYTE_BINARY}</li> * <li>{@link #TYPE_BYTE_INDEXED}</li> * </ul> - * + * * @param width the width (must be > 0). * @param height the height (must be > 0). * @param type the image type (see the list of valid types above). - * + * * @throws IllegalArgumentException if <code>width</code> or * <code>height</code> is less than or equal to zero. * @throws IllegalArgumentException if <code>type</code> is not one of the @@ -151,18 +151,18 @@ public class BufferedImage extends Image switch( type ) { case BufferedImage.TYPE_INT_RGB: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, width, height, - new int[]{ 0x00FF0000, - 0x0000FF00, + 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, + 3, width * 3, new int[]{ 2, 1, 0 } ); cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), false, false, @@ -172,11 +172,11 @@ public class BufferedImage extends Image case BufferedImage.TYPE_INT_ARGB: case BufferedImage.TYPE_INT_ARGB_PRE: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, width, height, - new int[]{ 0x00FF0000, - 0x0000FF00, - 0x000000FF, + new int[]{ 0x00FF0000, + 0x0000FF00, + 0x000000FF, 0xFF000000 } ); if (premultiplied) cm = new DirectColorModel( ColorSpace.getInstance(ColorSpace.CS_sRGB), @@ -185,12 +185,12 @@ public class BufferedImage extends Image Buffers.smallestAppropriateTransferType(32)); else cm = new DirectColorModel( 32, 0xff0000, 0xff00, 0xff, 0xff000000 ); - + break; case BufferedImage.TYPE_4BYTE_ABGR: case BufferedImage.TYPE_4BYTE_ABGR_PRE: - sm = new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, + sm = new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, width, height, 4, 4*width, new int[]{3, 2, 1, 0}); @@ -201,10 +201,10 @@ public class BufferedImage extends Image break; case BufferedImage.TYPE_INT_BGR: - sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, + sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, width, height, - new int[]{ 0x000000FF, - 0x0000FF00, + new int[]{ 0x000000FF, + 0x0000FF00, 0x00FF0000 } ) ; cm = new DirectColorModel( 24, 0xff, 0xff00, 0xff0000 ); break; @@ -212,17 +212,17 @@ public class BufferedImage extends Image case BufferedImage.TYPE_USHORT_565_RGB: sm = new SinglePixelPackedSampleModel( DataBuffer.TYPE_USHORT, width, height, - new int[]{ 0xF800, - 0x7E0, + 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, + new int[]{ 0x7C00, + 0x3E0, 0x1F } ) ; cm = new DirectColorModel( 15, 0x7C00, 0x3E0, 0x1F ); break; @@ -244,7 +244,7 @@ public class BufferedImage extends Image case BufferedImage.TYPE_BYTE_BINARY: cm = createDefaultIndexedColorModel( true ); - sm = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, + sm = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, width, height, 1); break; @@ -254,8 +254,8 @@ public class BufferedImage extends Image if( sm == null ) throw new IllegalArgumentException("Unknown predefined image type."); - - if( cm == null ) // only for the grayscale types + + if( cm == null ) // only for the grayscale types { int buftype; int[] bits = new int[1]; @@ -270,22 +270,22 @@ public class BufferedImage extends Image bits[0] = 16; } ColorSpace graySpace = ColorSpace.getInstance( ColorSpace.CS_GRAY ); - - cm = new ComponentColorModel( graySpace, bits, false, false, + + cm = new ComponentColorModel( graySpace, bits, false, false, Transparency.OPAQUE, buftype ); } 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 ); @@ -308,13 +308,13 @@ public class BufferedImage extends Image } public BufferedImage(ColorModel colormodel, WritableRaster writableraster, - boolean premultiplied, Hashtable<?,?> properties) + boolean premultiplied, Hashtable<?,?> properties) { init(colormodel, writableraster, premultiplied, properties, TYPE_CUSTOM); } - - private void init(ColorModel cm, WritableRaster writableraster, + + private void init(ColorModel cm, WritableRaster writableraster, boolean premultiplied, Hashtable properties, int type) { raster = writableraster; @@ -330,7 +330,7 @@ public class BufferedImage extends Image * * @param binary - If <code>true</code>, a black and white palette, * otherwise a default 256-color palette is returned. - */ + */ private IndexColorModel createDefaultIndexedColorModel( boolean binary ) { if( binary ) @@ -342,7 +342,7 @@ public class BufferedImage extends Image 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++ ) @@ -353,17 +353,17 @@ public class BufferedImage extends Image b[ index ] = (byte)(k * 51); index++; } - + while( index < 256 ) { - r[ index ] = g[ index ] = b[ index ] = + r[ index ] = g[ index ] = b[ index ] = (byte)(18 + (index - 216) * 6); index++; } - + return new IndexColorModel( 8, 256, r, g, b ); } - + public void coerceData(boolean premultiplied) { colorModel = colorModel.coerceData(raster, premultiplied); @@ -380,17 +380,17 @@ public class BufferedImage extends Image int y = dest.getMinY(); int w = dest.getWidth(); int h = dest.getHeight(); - + // create a src child that has the right bounds... WritableRaster src = raster.createWritableChild(x, y, w, h, x, y, 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 @@ -410,17 +410,17 @@ public class BufferedImage extends Image public void flush() { } - + public WritableRaster getAlphaRaster() { return colorModel.getAlphaRaster(raster); } - + public ColorModel getColorModel() { return colorModel; } - + public Raster getData() { return copyData(null); @@ -434,7 +434,7 @@ public class BufferedImage extends Image raster.createCompatibleWritableRaster(rectangle); return copyData(dest); } - + public Graphics getGraphics() { return createGraphics(); @@ -444,17 +444,17 @@ public class BufferedImage extends Image { return raster.getHeight(); } - + public int getHeight(ImageObserver imageobserver) { return getHeight(); } - + public int getMinTileX() { return 0; } - + public int getMinTileY() { return 0; @@ -462,14 +462,14 @@ public class BufferedImage extends Image public int getMinX() { - return 0; + return 0; } - public int getMinY() + public int getMinY() { return 0; } - + public int getNumXTiles() { return 1; @@ -477,17 +477,17 @@ public class BufferedImage extends Image public int getNumYTiles() { - return 1; + return 1; } /** - * Returns the value of the specified property, or + * Returns the value of the specified property, or * {@link Image#UndefinedProperty} if the property is not defined. - * + * * @param string the property key (<code>null</code> not permitted). - * + * * @return The property value. - * + * * @throws NullPointerException if <code>string</code> is <code>null</code>. */ public Object getProperty(String string) @@ -511,7 +511,7 @@ public class BufferedImage extends Image /** * Returns <code>null</code> always. - * + * * @return <code>null</code> always. */ public String[] getPropertyNames() @@ -526,29 +526,29 @@ public class BufferedImage extends Image 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) { if (rgbArray == null) { /* - 000000000000000000 - 00000[#######----- [ = start - -----########----- ] = end - -----#######]00000 - 000000000000000000 + 000000000000000000 + 00000[#######----- [ = start + -----########----- ] = end + -----#######]00000 + 000000000000000000 */ int size = (h-1)*scanlineStride + w; rgbArray = new int[size]; } - + int endX = startX + w; int endY = startY + h; - + /* *TODO*: Opportunity for optimization by examining color models... - + Perhaps wrap the rgbArray up in a WritableRaster with packed sRGB color model and perform optimized rendering into the array. */ @@ -573,12 +573,12 @@ public class BufferedImage extends Image { return raster; } - + public SampleModel getSampleModel() { return raster.getSampleModel(); } - + public ImageProducer getSource() { return new ImageProducer() @@ -609,8 +609,8 @@ public class BufferedImage extends Image int height = getHeight(); int stride = width; int offset = 0; - int[] pixels = getRGB(x, y, - width, height, + int[] pixels = getRGB(x, y, + width, height, (int[])null, offset, stride); // We already convert the color to RGB in the getRGB call, so // we pass a simple RGB color model to the consumers. @@ -636,17 +636,17 @@ public class BufferedImage extends Image }; } - + public Vector<RenderedImage> getSources() { return null; } - + public BufferedImage getSubimage(int x, int y, int w, int h) { - WritableRaster subRaster = + WritableRaster subRaster = getRaster().createWritableChild(x, y, w, h, 0, 0, null); - + return new BufferedImage(getColorModel(), subRaster, isPremultiplied, properties); } @@ -655,7 +655,7 @@ public class BufferedImage extends Image { return getWritableTile(tileX, tileY); } - + public int getTileGridXOffset() { return 0; // according to javadocs @@ -698,7 +698,7 @@ public class BufferedImage extends Image } private static final Point[] tileIndices = { new Point() }; - + public Point[] getWritableTileIndices() { return tileIndices; @@ -708,7 +708,7 @@ public class BufferedImage extends Image { return true; } - + public boolean isAlphaPremultiplied() { return isPremultiplied; @@ -734,7 +734,7 @@ public class BufferedImage extends Image int y = src.getMinY(); int w = src.getWidth(); int h = src.getHeight(); - + // create a dest child that has the right bounds... WritableRaster dest = raster.createWritableChild(x, y, w, h, x, y, null); @@ -757,13 +757,13 @@ public class BufferedImage extends Image Object rgbElem = colorModel.getDataElements(argb, null); raster.setDataElements(x, y, rgbElem); } - + public void setRGB(int startX, int startY, int w, int h, - int[] argbArray, int offset, int scanlineStride) + int[] argbArray, int offset, int scanlineStride) { int endX = startX + w; int endY = startY + h; - + Object rgbElem = null; for (int y=startY; y<endY; y++) { @@ -774,10 +774,10 @@ public class BufferedImage extends Image rgbElem = colorModel.getDataElements(argb, rgbElem); raster.setDataElements(x, y, rgbElem); } - offset += scanlineStride; + offset += scanlineStride; } } - + public String toString() { CPStringBuilder buf; @@ -806,10 +806,10 @@ public class BufferedImage extends Image { if (tileObservers == null) tileObservers = new Vector<TileObserver>(); - + tileObservers.add (to); } - + /** * Removes a tile observer. If the observer was not registered, * nothing happens. If the observer was registered for multiple @@ -821,7 +821,7 @@ public class BufferedImage extends Image { if (tileObservers == null) return; - + tileObservers.remove (to); } |