diff options
author | Tom Tromey <tromey@redhat.com> | 2002-01-16 04:20:14 +0000 |
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committer | Tom Tromey <tromey@redhat.com> | 2002-01-16 04:20:14 +0000 |
commit | 1c06809e1604a7a558c042e86a0719ed10910d4e (patch) | |
tree | 17c6f53120ddcdb875ab73471430dbddc7f31190 /java/awt/image/BufferedImage.java | |
parent | 3dd52d4ee5052a80a09cc42a6bd69743c05d30e8 (diff) | |
download | classpath-1c06809e1604a7a558c042e86a0719ed10910d4e.tar.gz |
* gnu/java/awt/peer/gtk/GtkComponentPeer.java
(getGraphicsConfiguration): New method.
(setMask): Likewise.
Start of AWT merge with libgcj:
* java/awt/CardLayout.java: Merged with libgcj.
* java/awt/Rectangle.java: Merged with libgcj.
* java/awt/Frame.java (Frame): Use `super()'.
(setIconImage): Only notify peer if it exists.
(setResizable): Likewise.
(setTitle): Likewise.
(setMenuBar): Likewise.
(getState): New method from libgcj.
(Frame(GraphicsConfiguration)): Likewise.
(Frame(String,GraphicsConfiguration)): Likewise.
(addNotify): New implementation from libgcj.
(getFrames): New stub from libgcj.
* java/awt/Paint.java: New file from libgcj.
* java/awt/RenderingHints.java: New file from libgcj.
* java/awt/Graphics.java (drawRect(int,int,int,int)): New
implementation from libgcj.
(draw3DRect): New method from libgcj.
(drawBytes): Likewise.
(hitClip): Likewise.
(getClipBounds(Rectangle)): Likewise.
(fill3DRect): Implementation from libgcj.
* java/awt/image/DirectColorModel.java: Merged with libgcj.
* java/awt/Transparency.java: New file from libgcj.
* java/awt/image/ColorModel.java: Merged with libgcj.
* java/awt/geom/AffineTransform.java: New file from libgcj.
* java/awt/geom/Dimension2D.java: New file from libgcj.
* java/awt/geom/Ellipse2D.java: New file from libgcj.
* java/awt/geom/IllegalPathStateException.java: New file from libgcj.
* java/awt/geom/Line2D.java: New file from libgcj.
* java/awt/geom/NoninvertibleTransformException.java: New file
from libgcj.
* java/awt/geom/PathIterator.java: New file from libgcj.
* java/awt/geom/Point2D.java: New file from libgcj.
* java/awt/geom/Rectangle2D.java: New file from libgcj.
* java/awt/geom/Rectangle2D.java: New file from libgcj.
* java/awt/geom/RectanglularShape.java: New file from libgcj.
* java/awt/geom/RoundRectangle2D.java: New file from libgcj.
* java/awt/Graphics2D.java: New file from libgcj.
* java/awt/image/Raster.java: New file from libgcj.
* java/awt/image/ComponentColorModel.java: New file from libgcj.
* java/awt/image/BufferedImage.java: New file from libgcj.
* java/awt/image/DataBuffer.java: New file from libgcj.
* java/awt/image/DataBufferByte.java: New file from libgcj.
* java/awt/image/DataBufferInt.java: New file from libgcj.
* java/awt/image/DataBufferUShort.java: New file from libgcj.
* java/awt/image/WritableRaster.java: New file from libgcj.
* java/awt/image/ComponentSampleModel.java: New file from libgcj.
* java/awt/image/PackedColorModel.java: New file from libgcj.
* java/awt/image/RasterOp.java: New file from libgcj.
* java/awt/image/SampleModel.java: New file from libgcj.
* java/awt/image/SinglePixelPackedSampleModel.java: New file from
libgcj.
* java/awt/EventDispatcher.java: Removed.
* java/awt/EventDispatchThread.java: New file from libgcj.
* java/awt/Window.java: Merged with libgcj.
* java/awt/color/ColorSpace.java: New file from libgcj.
* java/awt/color/ICC_ColorSpace.java: Likewise.
* java/awt/color/ICC_Profile.java: Likewise.
* java/awt/AWTEventMulticaster.java: Merged with libgcj.
* java/awt/event/HierarchyListener.java: New file from libgcj.
* java/awt/event/HierarchyEvent.java: New file from libgcj.
* java/awt/event/HierarchyBoundsListener.java: New file from
libgcj.
* java/awt/event/HierarchyBoundsAdapter.java: New file from
libgcj.
* java/awt/peer/ComponentPeer.java (getGraphicsConfiguration): New
method.
(setEventMask): Likewise.
* java/awt/AWTEvent.java: Merged with libgcj.
* java/awt/Event.java: New file from libgcj.
* java/awt/GraphicsConfiguration.java: New file from libgcj.
* java/awt/Component.java: Merged with libgcj.
* java/awt/Container.java (addImpl): Handle case where constraint
is not a String. Post event via system event queue.
(remove): Post event via system event queue.
(validateTree): Only validate child if it is invalid.
(getAlignmentX): Call super method as default.
(getAlignmentY): Likewise.
(addContainerListener): Now synchronized.
(removeContainerListener): Likewise.
(addNotifyContainerChildren): Now private.
* java/awt/FlowLayout.java (serialVersionUID): New field.
(setAlignment): Better exception message.
(layoutContainer): Don't compute component's preferred size unless
we're going to use it.
* java/awt/ComponentOrientation.java: New file from libgcj.
* java/awt/BorderLayout.java (AFTER_LAST_LINE, AFTER_LINE_ENDS,
BEFORE_FIRST_LINE, BEFORE_LINE_BEGINS): New constants.
(firstLine, lastLine, firstItem, lastItem): New fields.
(addLayoutComponent): Handle case where constraints is null.
Also, handle relative locations.
(removeLayoutComponent): Handle relative locations.
(MIN, MAX, PREF): New constants.
(calcCompSize): New method.
(calcSize): New method.
(minimumLayoutSize): Use it.
(preferredLayoutSize): Likewise.
(maximumLayoutSize): Likewise.
(toString): Include more information.
(setBounds): New method.
(layoutContainer): Use libgcj implementation; extended to handle
relative locations.
Diffstat (limited to 'java/awt/image/BufferedImage.java')
-rw-r--r-- | java/awt/image/BufferedImage.java | 561 |
1 files changed, 561 insertions, 0 deletions
diff --git a/java/awt/image/BufferedImage.java b/java/awt/image/BufferedImage.java new file mode 100644 index 000000000..114d70909 --- /dev/null +++ b/java/awt/image/BufferedImage.java @@ -0,0 +1,561 @@ +/* Copyright (C) 2000, 2002 Free Software Foundation + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + +package java.awt.image; + +import java.awt.*; +import java.awt.color.*; +import java.util.*; + +import gnu.java.awt.ComponentDataBlitOp; + +/** + * A buffered image always starts at coordinates (0, 0). + * + * The buffered image is not subdivided into multiple tiles. Instead, + * 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 java.awt.Image + //implements java.awt.image.WritableRenderedImage +{ + public static final int TYPE_CUSTOM = 0, + TYPE_INT_RGB = 1, + TYPE_INT_ARGB = 2, + TYPE_INT_ARGB_PRE = 3, + TYPE_INT_BGR = 4, + TYPE_3BYTE_BGR = 5, + TYPE_4BYTE_ABGR = 6, + TYPE_4BYTE_ABGR_PRE = 7, + TYPE_USHORT_565_RGB = 8, + TYPE_USHORT_555_RGB = 9, + TYPE_BYTE_GRAY = 10, + TYPE_USHORT_GRAY = 11, + TYPE_BYTE_BINARY = 12, + TYPE_BYTE_INDEXED = 13; + + final static int[] bits3 = { 8, 8, 8 }; + final static int[] bits4 = { 8, 8, 8 }; + final static int[] bits1byte = { 8 }; + final static int[] bits1ushort = { 16 }; + + final static int[] masks_int = { 0x00ff0000, + 0x0000ff00, + 0x000000ff, + DataBuffer.TYPE_INT }; + final static int[] masks_565 = { 0xf800, + 0x07e0, + 0x001f, + DataBuffer.TYPE_USHORT}; + final static int[] masks_555 = { 0x7c00, + 0x03e0, + 0x001f, + DataBuffer.TYPE_USHORT}; + + public BufferedImage(int w, int h, int type) + { + ColorModel cm = null; + + boolean alpha = false; + boolean premultiplied = false; + switch (type) + { + case TYPE_4BYTE_ABGR_PRE: + case TYPE_INT_ARGB_PRE: + premultiplied = true; + // fall through + case TYPE_INT_ARGB: + case TYPE_4BYTE_ABGR: + alpha = true; + } + + ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB); + switch (type) + { + case TYPE_INT_RGB: + case TYPE_INT_ARGB: + case TYPE_INT_ARGB_PRE: + case TYPE_USHORT_565_RGB: + case TYPE_USHORT_555_RGB: + int[] masks = null; + switch (type) + { + case TYPE_INT_RGB: + case TYPE_INT_ARGB: + case TYPE_INT_ARGB_PRE: + masks = masks_int; + break; + case TYPE_USHORT_565_RGB: + masks = masks_565; + break; + case TYPE_USHORT_555_RGB: + masks = masks_555; + break; + } + + cm = new DirectColorModel(cs, + 32, // 32 bits in an int + masks[0], // r + masks[1], // g + masks[2], // b + alpha ? 0xff000000 : 0, + premultiplied, + masks[3] // data type + ); + break; + + case TYPE_INT_BGR: + String msg = + "FIXME: Programmer is confused. Why (and how) does a " + + "TYPE_INT_BGR image use ComponentColorModel to store " + + "8-bit values? Is data type TYPE_INT or TYPE_BYTE. What " + + "is the difference between TYPE_INT_BGR and TYPE_3BYTE_BGR?"; + throw new UnsupportedOperationException(msg); + + case TYPE_3BYTE_BGR: + case TYPE_4BYTE_ABGR: + case TYPE_4BYTE_ABGR_PRE: + case TYPE_BYTE_GRAY: + case TYPE_USHORT_GRAY: + int[] bits = null; + int dataType = DataBuffer.TYPE_BYTE; + switch (type) { + case TYPE_3BYTE_BGR: + bits = bits3; + break; + case TYPE_4BYTE_ABGR: + case TYPE_4BYTE_ABGR_PRE: + bits = bits4; + break; + case TYPE_BYTE_GRAY: + bits = bits1byte; + break; + case TYPE_USHORT_GRAY: + bits = bits1ushort; + dataType = DataBuffer.TYPE_USHORT; + break; + } + cm = new ComponentColorModel(cs, bits, alpha, premultiplied, + alpha ? + Transparency.TRANSLUCENT: + Transparency.OPAQUE, + dataType); + break; + case TYPE_BYTE_BINARY: + byte[] vals = { 0, (byte) 0xff }; + cm = new IndexColorModel(8, 2, vals, vals, vals); + break; + case TYPE_BYTE_INDEXED: + String msg2 = "type not implemented yet"; + throw new UnsupportedOperationException(msg2); + // FIXME: build color-cube and create color model + } + + init(cm, + cm.createCompatibleWritableRaster(w, h), + premultiplied, + null, // no properties + type + ); + } + + 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 binary or indexed"); + + init(indexcolormodel, + indexcolormodel.createCompatibleWritableRaster(w, h), + false, // not premultiplied (guess) + null, // no properties + type); + } + + public BufferedImage(ColorModel colormodel, + WritableRaster writableraster, + boolean premultiplied, + Hashtable properties) + { + init(colormodel, writableraster, premultiplied, properties, + TYPE_CUSTOM); + // TODO: perhaps try to identify type? + } + + WritableRaster raster; + ColorModel colorModel; + Hashtable properties; + boolean isPremultiplied; + int type; + + private void init(ColorModel cm, + WritableRaster writableraster, + boolean premultiplied, + Hashtable properties, + int type) + { + raster = writableraster; + colorModel = cm; + this.properties = properties; + isPremultiplied = premultiplied; + this.type = type; + } + + //public void addTileObserver(TileObserver tileobserver) {} + + public void coerceData(boolean premultiplied) + { + colorModel = colorModel.coerceData(raster, premultiplied); + } + + public WritableRaster copyData(WritableRaster dest) + { + if (dest == null) + dest = raster.createCompatibleWritableRaster(); + + int x = dest.getMinX(); + 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 + ); + + // Refer to ComponentDataBlitOp for optimized data blitting: + ComponentDataBlitOp.INSTANCE.filter(src, dest); + return dest; + } + + public Graphics2D createGraphics() + { + throw new UnsupportedOperationException("not implemented"); + // will require a lot of effort to implement + } + + public void flush() { + } + + public WritableRaster getAlphaRaster() + { + return colorModel.getAlphaRaster(raster); + } + + public ColorModel getColorModel() + { + return colorModel; + } + + public Raster getData() + { + return copyData(null); + /* TODO: this might be optimized by returning the same + raster (not writable) as long as image data doesn't change. */ + } + + public Raster getData(Rectangle rectangle) + { + WritableRaster dest = + raster.createCompatibleWritableRaster(rectangle); + return copyData(dest); + } + + public Graphics getGraphics() + { + return createGraphics(); + } + + public int getHeight() + { + return raster.getHeight(); + } + + public int getHeight(ImageObserver imageobserver) + { + return getHeight(); + } + + public int getMinTileX() + { + return 0; + } + + public int getMinTileY() + { + return 0; + } + + public int getMinX() + { + return 0; + } + + public int getMinY() + { + return 0; + } + + public int getNumXTiles() + { + return 1; + } + + public int getNumYTiles() + { + return 1; + } + + public Object getProperty(String string) + { + if (properties == null) + return null; + return properties.get(string); + } + + public Object getProperty(String string, ImageObserver imageobserver) + { + return getProperty(string); + } + + + public String[] getPropertyNames() + { + // FIXME: implement + return null; + } + + public int getRGB(int x, int y) + { + Object rgbElem = raster.getDataElements(x, y, + null // create as needed + ); + 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 */ + 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. */ + + 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; + } + return rgbArray; + } + + public WritableRaster getRaster() + { + return raster; + } + + public SampleModel getSampleModel() + { + return raster.getSampleModel(); + } + + public ImageProducer getSource() + { + throw new UnsupportedOperationException("not implemented"); + } + + public Vector getSources() + { + return null; + } + + public BufferedImage getSubimage(int x, int y, int w, int h) + { + WritableRaster subRaster = + getRaster().createWritableChild(x, y, w, h, 0, 0, null); + + return new BufferedImage(getColorModel(), + subRaster, + isPremultiplied, + properties); + } + + public Raster getTile(int tileX, int tileY) + { + return getWritableTile(tileX, tileY); + } + + public int getTileGridXOffset() + { + return 0; // according to javadocs + } + + public int getTileGridYOffset() + { + return 0; // according to javadocs + } + + public int getTileHeight() + { + return getHeight(); // image is one big tile + } + + public int getTileWidth() + { + return getWidth(); // image is one big tile + } + + public int getType() + { + return type; + } + + public int getWidth() + { + return raster.getWidth(); + } + + public int getWidth(ImageObserver imageobserver) + { + return getWidth(); + } + + public WritableRaster getWritableTile(int tileX, int tileY) + { + isTileWritable(tileX, tileY); // for exception + return raster; + } + + private static final Point[] tileIndices = { new Point() }; + + public Point[] getWritableTileIndices() + { + return tileIndices; + } + + public boolean hasTileWriters() + { + return true; + } + + public boolean isAlphaPremultiplied() + { + return isPremultiplied; + } + + public boolean isTileWritable(int tileX, int tileY) + { + if ((tileX != 0) || (tileY != 0)) + throw new ArrayIndexOutOfBoundsException("only tile is (0,0)"); + return true; + } + + public void releaseWritableTile(int tileX, int tileY) + { + isTileWritable(tileX, tileY); // for exception + } + + //public void removeTileObserver(TileObserver tileobserver) {} + + public void setData(Raster src) + { + int x = src.getMinX(); + 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 // same bands + ); + + // Refer to ComponentDataBlitOp for optimized data blitting: + ComponentDataBlitOp.INSTANCE.filter(src, dest); + } + + public void setRGB(int x, int y, int argb) + { + 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 endX = startX + w; + int endY = startY + h; + + 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; + } + } + + public String toString() + { + // FIXME: implement: + return super.toString(); + } +} |