diff options
Diffstat (limited to 'libjava/java/awt/image/MemoryImageSource.java')
| -rw-r--r-- | libjava/java/awt/image/MemoryImageSource.java | 656 |
1 files changed, 327 insertions, 329 deletions
diff --git a/libjava/java/awt/image/MemoryImageSource.java b/libjava/java/awt/image/MemoryImageSource.java index 07e42cf077d..6b43d00c37b 100644 --- a/libjava/java/awt/image/MemoryImageSource.java +++ b/libjava/java/awt/image/MemoryImageSource.java @@ -1,4 +1,4 @@ -/* MemoryImageSource.java -- Java class for providing image data +/* MemoryImageSource.java -- Java class for providing image data Copyright (C) 1999, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -41,335 +41,333 @@ package java.awt.image; import java.util.Hashtable; import java.util.Vector; -public class MemoryImageSource implements ImageProducer +public class MemoryImageSource implements ImageProducer { - private boolean animated = false; - private boolean fullbuffers = false; - private int pixeli[], width, height, offset, scansize; - private byte pixelb[]; - private ColorModel cm; - private Hashtable props = new Hashtable(); - private Vector consumers = new Vector(); - - /** - * Construct an image producer that reads image data from a byte - * array. - * - * @param w width of image - * @param h height of image - * @param cm the color model used to represent pixel values - * @param pix a byte array of pixel values - * @param off the offset into the array at which the first pixel is stored - * @param scan the number of array elements that represents a single pixel row - */ - public MemoryImageSource(int w, int h, ColorModel cm, - byte pix[], int off, int scan) - { - this ( w, h, cm, pix, off, scan, null ); - } - /** - Constructs an ImageProducer from memory - */ - public MemoryImageSource( int w, int h, ColorModel cm, - byte pix[], int off, int scan, - Hashtable props) - { - width = w; - height = h; - this.cm = cm; - offset = off; - scansize = scan; - this.props = props; - int max = (( scansize > width ) ? scansize : width ); - pixelb = pix; - } - /** - * Construct an image producer that reads image data from an - * integer array. - * - * @param w width of image - * @param h height of image - * @param cm the color model used to represent pixel values - * @param pix an integer array of pixel values - * @param off the offset into the array at which the first pixel is stored - * @param scan the number of array elements that represents a single pixel row - */ - public MemoryImageSource(int w, int h, ColorModel cm, - int pix[], int off, int scan) - { - this ( w, h, cm, pix, off, scan, null ); - } - - /** - Constructs an ImageProducer from memory - */ - public MemoryImageSource(int w, int h, ColorModel cm, - int pix[], int off, int scan, - Hashtable props) - { - width = w; - height = h; - this.cm = cm; - offset = off; - scansize = scan; - this.props = props; - int max = (( scansize > width ) ? scansize : width ); - pixeli = pix; - } - /** - Constructs an ImageProducer from memory using the default RGB ColorModel - */ - public MemoryImageSource(int w, int h, - int pix[], int off, int scan, - Hashtable props) - { - this ( w, h, ColorModel.getRGBdefault(), pix, off, scan, props); - } - - /** - Constructs an ImageProducer from memory using the default RGB ColorModel - */ - public MemoryImageSource(int w, int h, - int pix[], int off, int scan) - { - this ( w, h, ColorModel.getRGBdefault(), pix, off, scan, null); - } - - /** - * Used to register an <code>ImageConsumer</code> with this - * <code>ImageProducer</code>. - */ - public synchronized void addConsumer(ImageConsumer ic) { - if (consumers.contains(ic)) - return; - - consumers.addElement(ic); - } - - /** - * Used to determine if the given <code>ImageConsumer</code> is - * already registered with this <code>ImageProducer</code>. - */ - public synchronized boolean isConsumer(ImageConsumer ic) { - if (consumers.contains(ic)) - return true; - return false; - } - - /** - * Used to remove an <code>ImageConsumer</code> from the list of - * registered consumers for this <code>ImageProducer</code>. - */ - public synchronized void removeConsumer(ImageConsumer ic) { - consumers.removeElement(ic); - } - - /** - * Used to register an <code>ImageConsumer</code> with this - * <code>ImageProducer</code> and then immediately start - * reconstruction of the image data to be delivered to all - * registered consumers. - */ - public void startProduction(ImageConsumer ic) { - if (!(consumers.contains(ic))) { - consumers.addElement(ic); - } - + private boolean animated = false; + private boolean fullbuffers = false; + private int[] pixeli; + private int width; + private int height; + private int offset; + private int scansize; + private byte[] pixelb; + private ColorModel cm; + private Hashtable props = new Hashtable(); + private Vector consumers = new Vector(); + + /** + * Construct an image producer that reads image data from a byte + * array. + * + * @param w width of image + * @param h height of image + * @param cm the color model used to represent pixel values + * @param pix a byte array of pixel values + * @param off the offset into the array at which the first pixel is stored + * @param scan the number of array elements that represents a single pixel row + */ + public MemoryImageSource(int w, int h, ColorModel cm, byte[] pix, int off, + int scan) + { + this(w, h, cm, pix, off, scan, null); + } + + /** + * Constructs an ImageProducer from memory + */ + public MemoryImageSource(int w, int h, ColorModel cm, byte[] pix, int off, + int scan, Hashtable props) + { + width = w; + height = h; + this.cm = cm; + offset = off; + scansize = scan; + this.props = props; + int max = ((scansize > width) ? scansize : width); + pixelb = pix; + } + + /** + * Construct an image producer that reads image data from an + * integer array. + * + * @param w width of image + * @param h height of image + * @param cm the color model used to represent pixel values + * @param pix an integer array of pixel values + * @param off the offset into the array at which the first pixel is stored + * @param scan the number of array elements that represents a single pixel row + */ + public MemoryImageSource(int w, int h, ColorModel cm, int[] pix, int off, + int scan) + { + this(w, h, cm, pix, off, scan, null); + } + + /** + Constructs an ImageProducer from memory + */ + public MemoryImageSource(int w, int h, ColorModel cm, int[] pix, int off, + int scan, Hashtable props) + { + width = w; + height = h; + this.cm = cm; + offset = off; + scansize = scan; + this.props = props; + int max = ((scansize > width) ? scansize : width); + pixeli = pix; + } + + /** + * Constructs an ImageProducer from memory using the default RGB ColorModel + */ + public MemoryImageSource(int w, int h, int[] pix, int off, int scan, + Hashtable props) + { + this(w, h, ColorModel.getRGBdefault(), pix, off, scan, props); + } + + /** + * Constructs an ImageProducer from memory using the default RGB ColorModel + */ + public MemoryImageSource(int w, int h, int[] pix, int off, int scan) + { + this(w, h, ColorModel.getRGBdefault(), pix, off, scan, null); + } + + /** + * Used to register an <code>ImageConsumer</code> with this + * <code>ImageProducer</code>. + */ + public synchronized void addConsumer(ImageConsumer ic) + { + if (consumers.contains(ic)) + return; + + consumers.addElement(ic); + } + + /** + * Used to determine if the given <code>ImageConsumer</code> is + * already registered with this <code>ImageProducer</code>. + */ + public synchronized boolean isConsumer(ImageConsumer ic) + { + if (consumers.contains(ic)) + return true; + return false; + } + + /** + * Used to remove an <code>ImageConsumer</code> from the list of + * registered consumers for this <code>ImageProducer</code>. + */ + public synchronized void removeConsumer(ImageConsumer ic) + { + consumers.removeElement(ic); + } + + /** + * Used to register an <code>ImageConsumer</code> with this + * <code>ImageProducer</code> and then immediately start + * reconstruction of the image data to be delivered to all + * registered consumers. + */ + public void startProduction(ImageConsumer ic) + { + if (! (consumers.contains(ic))) + consumers.addElement(ic); + + Vector list = (Vector) consumers.clone(); + for (int i = 0; i < list.size(); i++) + { + ic = (ImageConsumer) list.elementAt(i); + sendPicture(ic); + if (animated) + ic.imageComplete(ImageConsumer.SINGLEFRAME); + else + ic.imageComplete(ImageConsumer.STATICIMAGEDONE); + } + } + + /** + * Used to register an <code>ImageConsumer</code> with this + * <code>ImageProducer</code> and then request that this producer + * resend the image data in the order top-down, left-right. + */ + public void requestTopDownLeftRightResend(ImageConsumer ic) + { + startProduction(ic); + } + + /** + * Changes a flag to indicate whether this MemoryImageSource supports + * animations. + * + * @param animated A flag indicating whether this class supports animations + */ + public synchronized void setAnimated(boolean animated) + { + this.animated = animated; + } + + /** + * A flag to indicate whether or not to send full buffer updates when + * sending animation. If this flag is set then full buffers are sent + * in the newPixels methods instead of just regions. + * + * @param fullbuffers - a flag indicating whether to send the full buffers + */ + public synchronized void setFullBufferUpdates(boolean fullbuffers) + { + this.fullbuffers = fullbuffers; + } + + /** + * Send an animation frame to the image consumers. + */ + public void newPixels() + { + if (animated == true) + { + ImageConsumer ic; Vector list = (Vector) consumers.clone(); - for(int i = 0; i < list.size(); i++) { + for (int i = 0; i < list.size(); i++) + { ic = (ImageConsumer) list.elementAt(i); - sendPicture( ic ); - if (animated) - ic.imageComplete( ImageConsumer.SINGLEFRAME ); - else - ic.imageComplete( ImageConsumer.STATICIMAGEDONE ); - } - } - - /** - * Used to register an <code>ImageConsumer</code> with this - * <code>ImageProducer</code> and then request that this producer - * resend the image data in the order top-down, left-right. - */ - public void requestTopDownLeftRightResend(ImageConsumer ic) { - startProduction ( ic ); - } - - - /** - Changes a flag to indicate whether this MemoryImageSource supports - animations. - - @param animated A flag indicating whether this class supports animations - */ - public synchronized void setAnimated(boolean animated) - { - this.animated = animated; - } - - - /** - A flag to indicate whether or not to send full buffer updates when - sending animation. If this flag is set then full buffers are sent - in the newPixels methods instead of just regions. - - @param fullbuffers - a flag indicating whether to send the full buffers - */ - public synchronized void setFullBufferUpdates(boolean fullbuffers) - { - this.fullbuffers = fullbuffers; - } - - /** - Send an animation frame to the image consumers. - */ - public void newPixels() - { - if( animated == true ) { - ImageConsumer ic; - Vector list = (Vector) consumers.clone(); - for(int i = 0; i < list.size(); i++) { - ic = (ImageConsumer) list.elementAt(i); - sendPicture( ic ); - ic.imageComplete( ImageConsumer.SINGLEFRAME ); - } - } - } - - - private void sendPicture ( ImageConsumer ic ) - { - ic.setHints( ImageConsumer.TOPDOWNLEFTRIGHT ); - if( props != null ) { - ic.setProperties( props ); - } - ic.setDimensions(width, height); - ic.setColorModel(cm); - if( pixeli != null ) { - ic.setPixels( 0, 0, width, height, cm, pixeli, offset, scansize ); - } else { - ic.setPixels( 0, 0, width, height, cm, pixelb, offset, scansize ); - } - } - - /** - Send an animation frame to the image consumers containing the specified - pixels unless setFullBufferUpdates is set. - */ - public synchronized void newPixels(int x, - int y, - int w, - int h) - { - if( animated == true ) - { - if( fullbuffers ) { - newPixels(); - } else { - ImageConsumer ic; - Vector list = (Vector) consumers.clone(); - for(int i = 0; i < list.size(); i++) { - ic = (ImageConsumer) list.elementAt(i); - ic.setHints( ImageConsumer.TOPDOWNLEFTRIGHT ); - if( props != null ) { - ic.setProperties( props ); - } - if( pixeli != null ) { - int[] pixelbuf = new int[w * h]; - for (int row = y; row < y + h; row++) - System.arraycopy(pixeli, row * scansize + x + offset, pixelbuf, 0, w * h); - ic.setPixels( x, y, w, h, cm, pixelbuf, 0, w ); - } else { - byte[] pixelbuf = new byte[w * h]; - for (int row = y; row < y + h; row++) - System.arraycopy(pixelb, row * scansize + x + offset, pixelbuf, 0, w * h); - - ic.setPixels( x, y, w, h, cm, pixelbuf, 0, w ); - } - ic.imageComplete( ImageConsumer.SINGLEFRAME ); - } - } - } - } - - - - /** - Send an animation frame to the image consumers containing the specified - pixels unless setFullBufferUpdates is set. - - If framenotify is set then a notification is sent when the frame - is sent otherwise no status is sent. - */ - public synchronized void newPixels(int x, - int y, - int w, - int h, - boolean framenotify) - { - if( animated == true ) - { - if( fullbuffers ) { - newPixels(); - } else { - ImageConsumer ic; - Vector list = (Vector) consumers.clone(); - for(int i = 0; i < list.size(); i++) { - ic = (ImageConsumer) list.elementAt(i); - ic.setHints( ImageConsumer.TOPDOWNLEFTRIGHT ); - if( props != null ) { - ic.setProperties( props ); - } - if( pixeli != null ) { - int[] pixelbuf = new int[w * h]; - for (int row = y; row < y + h; row++) - System.arraycopy(pixeli, row * scansize + x + offset, pixelbuf, 0, w * h); - ic.setPixels( x, y, w, h, cm, pixelbuf, 0, w ); - } else { - byte[] pixelbuf = new byte[w * h]; - for (int row = y; row < y + h; row++) - System.arraycopy(pixelb, row * scansize + x + offset, pixelbuf, 0, w * h); - ic.setPixels( x, y, w, h, cm, pixelbuf, 0, w ); - } - if( framenotify == true ) - ic.imageComplete( ImageConsumer.SINGLEFRAME ); - } - } - } - } - - public synchronized void newPixels(byte newpix[], - ColorModel newmodel, - int offset, - int scansize) - - { - pixeli = null; - pixelb = newpix; - cm = newmodel; - this.offset = offset; - this.scansize = scansize; - if( animated == true ) - { - newPixels(); - } - } - - public synchronized void newPixels(int newpix[], - ColorModel newmodel, - int offset, - int scansize) - - { - pixelb = null; - pixeli = newpix; - cm = newmodel; - this.offset = offset; - this.scansize = scansize; - if( animated == true ) - { - newPixels(); - } - } - + sendPicture(ic); + ic.imageComplete(ImageConsumer.SINGLEFRAME); + } + } + } + + private void sendPicture(ImageConsumer ic) + { + ic.setHints(ImageConsumer.TOPDOWNLEFTRIGHT); + if (props != null) + ic.setProperties(props); + ic.setDimensions(width, height); + ic.setColorModel(cm); + if (pixeli != null) + ic.setPixels(0, 0, width, height, cm, pixeli, offset, scansize); + else + ic.setPixels(0, 0, width, height, cm, pixelb, offset, scansize); + } + + /** + * Send an animation frame to the image consumers containing the specified + * pixels unless setFullBufferUpdates is set. + */ + public synchronized void newPixels(int x, int y, int w, int h) + { + if (animated == true) + { + if (fullbuffers) + newPixels(); + else + { + ImageConsumer ic; + Vector list = (Vector) consumers.clone(); + for (int i = 0; i < list.size(); i++) + { + ic = (ImageConsumer) list.elementAt(i); + ic.setHints(ImageConsumer.TOPDOWNLEFTRIGHT); + if (props != null) + ic.setProperties(props); + if (pixeli != null) + { + int[] pixelbuf = new int[w * h]; + for (int row = y; row < y + h; row++) + System.arraycopy(pixeli, row * scansize + x + offset, + pixelbuf, 0, w * h); + ic.setPixels(x, y, w, h, cm, pixelbuf, 0, w); + } + else + { + byte[] pixelbuf = new byte[w * h]; + for (int row = y; row < y + h; row++) + System.arraycopy(pixelb, row * scansize + x + offset, + pixelbuf, 0, w * h); + + ic.setPixels(x, y, w, h, cm, pixelbuf, 0, w); + } + ic.imageComplete(ImageConsumer.SINGLEFRAME); + } + } + } + } + + /** + * Send an animation frame to the image consumers containing the specified + * pixels unless setFullBufferUpdates is set. + * + * If framenotify is set then a notification is sent when the frame + * is sent otherwise no status is sent. + */ + public synchronized void newPixels(int x, int y, int w, int h, + boolean framenotify) + { + if (animated == true) + { + if (fullbuffers) + newPixels(); + else + { + ImageConsumer ic; + Vector list = (Vector) consumers.clone(); + for (int i = 0; i < list.size(); i++) + { + ic = (ImageConsumer) list.elementAt(i); + ic.setHints(ImageConsumer.TOPDOWNLEFTRIGHT); + if (props != null) + ic.setProperties(props); + if (pixeli != null) + { + int[] pixelbuf = new int[w * h]; + for (int row = y; row < y + h; row++) + System.arraycopy(pixeli, row * scansize + x + offset, + pixelbuf, 0, w * h); + ic.setPixels(x, y, w, h, cm, pixelbuf, 0, w); + } + else + { + byte[] pixelbuf = new byte[w * h]; + for (int row = y; row < y + h; row++) + System.arraycopy(pixelb, row * scansize + x + offset, + pixelbuf, 0, w * h); + ic.setPixels(x, y, w, h, cm, pixelbuf, 0, w); + } + if (framenotify == true) + ic.imageComplete(ImageConsumer.SINGLEFRAME); + } + } + } + } + + public synchronized void newPixels(byte[] newpix, ColorModel newmodel, + int offset, int scansize) + { + pixeli = null; + pixelb = newpix; + cm = newmodel; + this.offset = offset; + this.scansize = scansize; + if (animated == true) + newPixels(); + } + + public synchronized void newPixels(int[] newpix, ColorModel newmodel, + int offset, int scansize) + { + pixelb = null; + pixeli = newpix; + cm = newmodel; + this.offset = offset; + this.scansize = scansize; + if (animated == true) + newPixels(); + } } |