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Diffstat (limited to 'openjdk/sun/awt/image/ImageRepresentation.java')
| -rw-r--r-- | openjdk/sun/awt/image/ImageRepresentation.java | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/openjdk/sun/awt/image/ImageRepresentation.java b/openjdk/sun/awt/image/ImageRepresentation.java deleted file mode 100644 index 962d46e0..00000000 --- a/openjdk/sun/awt/image/ImageRepresentation.java +++ /dev/null @@ -1,421 +0,0 @@ -/* - Copyright (C) 2009 Jeroen Frijters - Copyright (C) 2010 Volker Berlin (i-net software) - Copyright (C) 2011 Karsten Heinrich (i-net software) - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Jeroen Frijters - jeroen@frijters.net - -*/ - -package sun.awt.image; - -import java.awt.image.BufferedImage; -import java.awt.image.ColorModel; -import java.awt.image.ImageConsumer; -import java.awt.image.ImageObserver; -import java.util.Hashtable; - -import cli.System.Drawing.Bitmap; -import cli.System.Drawing.Imaging.BitmapData; -import cli.System.Drawing.Imaging.ImageLockMode; -import cli.System.Drawing.Imaging.PixelFormat; - -public class ImageRepresentation extends ImageWatched implements ImageConsumer{ - - private static final int DEFAULT_PIXEL_FORMAT = PixelFormat.Format32bppArgb; - InputStreamImageSource src; - ToolkitImage image; - - private int width = -1; - private int height = -1; - - private int availinfo; - - private BufferedImage bimage; - private cli.System.Drawing.Bitmap bitmap; - private int pixelFormat = DEFAULT_PIXEL_FORMAT; - - ImageRepresentation(ToolkitImage im){ - image = im; - - if (image.getSource() instanceof InputStreamImageSource) { - src = (InputStreamImageSource) image.getSource(); - } - } - - /* REMIND: Only used for Frame.setIcon - should use ImageWatcher instead */ - public synchronized void reconstruct(int flags) { - if (src != null) { - src.checkSecurity(null, false); - } - int missinginfo = flags & ~availinfo; - if ((availinfo & ImageObserver.ERROR) == 0 && missinginfo != 0) { - numWaiters++; - try { - startProduction(); - missinginfo = flags & ~availinfo; - while ((availinfo & ImageObserver.ERROR) == 0 && - missinginfo != 0) - { - try { - wait(); - } catch (InterruptedException e) { - Thread.currentThread().interrupt(); - return; - } - missinginfo = flags & ~availinfo; - } - } finally { - decrementWaiters(); - } - } - } - - @Override - public void setDimensions(int w, int h){ - if (src != null) { - src.checkSecurity(null, false); - } - - image.setDimensions(w, h); -// bitmap = new cli.System.Drawing.Bitmap(w, h); - - newInfo(image, (ImageObserver.WIDTH | ImageObserver.HEIGHT), - 0, 0, w, h); - - if (w <= 0 || h <= 0) { - imageComplete(ImageConsumer.IMAGEERROR); - return; - } - - width = w; - height = h; - - availinfo |= ImageObserver.WIDTH | ImageObserver.HEIGHT; - } - - private Bitmap getBitmapRef(){ - if( bitmap == null ){ - bitmap = new Bitmap(width, height, PixelFormat.wrap(pixelFormat) ); - } - return bitmap; - } - - public int getWidth(){ - return width; - } - - public int getHeight(){ - return height; - } - - public BufferedImage getBufferedImage(){ - return bimage; - } - - @Override - public void setProperties(Hashtable<?, ?> props){ - // ignore it - - } - - @Override - public synchronized void setColorModel(ColorModel model){ - int newPixelFormat = getPixelFormatForColorModel(model); - if( model.getPixelSize() <= 8 ){ - newPixelFormat = DEFAULT_PIXEL_FORMAT; - } - if( newPixelFormat != pixelFormat && bitmap != null ){ - // force reconstruct of the bitmap due to a color model change - bitmap.Dispose(); - bitmap = null; - } - pixelFormat = newPixelFormat; - } - - @Override - public void setHints(int hintflags){ - // ignore it - } - - @Override - public void setPixels(int x, int y, int w, int h, ColorModel model, byte[] pixels, int off, int scansize){ - int[] pixeli = new int[pixels.length]; - for (int i = 0; i < pixels.length; i++) - { - pixeli[i] = model.getRGB(pixels[i] & 0xff); - } - setPixels(x, y, w, h, model, pixeli, off, scansize); - } - - @Override - @cli.System.Security.SecuritySafeCriticalAttribute.Annotation - public void setPixels(int x, int y, int w, int h, ColorModel model, int[] pixels, int off, int scansize){ - // FIXME this method will fail for scan lines - if( x < 0) { - w -= x; - x = 0; - } - if (y < 0) { - h -= y; - y = 0; - } - if (w <= 0 || h <= 0) { - // nothing to set - return; - } - if ( off < 0 ) { - throw new java.lang.ArrayIndexOutOfBoundsException( "Data offset out of bounds." ); - } - long length = w * h; - if (length > pixels.length - off) - { - throw new java.lang.ArrayIndexOutOfBoundsException("Data offset out of bounds."); - } - synchronized (this) - { - int pixelFormat = getPixelFormatForColorModel( model ); - int bpp = model.getPixelSize(); - if( bpp == 32 ){ // 32 can be copies 1:1 using an int array - copyInt(x, y, w, h, pixels, off, pixelFormat); - }else if( bpp <= 8 ){ - // transform all pixels using the color model (for indexed color models) - int[] newData = new int[pixels.length]; - for( int i=0; i < newData.length; i++ ){ - newData[i] = model.getRGB(pixels[i]); - } - copyInt(x, y, w, h, pixels, off, DEFAULT_PIXEL_FORMAT); - }else { - // byte per scanline, must be a multitude of 4 - // see http://stackoverflow.com/questions/2185944/why-must-stride-in-the-system-drawing-bitmap-constructor-be-a-multiple-of-4 - int bytesPerLine = (bpp * w) / 8; - int scanLine = ((bytesPerLine + 3) / 4) * 4; - int offset = scanLine - bytesPerLine; - byte[] newData = new byte[h * scanLine]; - int position = 0; - int pixel; - for( int i=0; i<pixels.length; i++ ){ - pixel = pixels[i]; - switch( bpp ){ - case 16: newData[position] = (byte)(pixel & 0xFF); - newData[position + 1] = (byte)((pixel >> 8) & 0xFF); break; - case 24: newData[position] = (byte)(pixel & 0xFF); - newData[position + 1] = (byte)((pixel >> 8) & 0xFF); - newData[position + 2] = (byte)((pixel >> 16) & 0xFF); break; - } - position += bpp / 8; - if( position % scanLine == bytesPerLine ){ - position += offset; - } - } - copyByte(x, y, w, h, newData, off, pixelFormat, bpp); - } - } - - availinfo |= ImageObserver.SOMEBITS; - - // Can't do this here since we might need to transform/clip - // the region - if (((availinfo & ImageObserver.FRAMEBITS) == 0)) { - newInfo(image, ImageObserver.SOMEBITS, x, y, w, h); - } - } - - @cli.System.Security.SecurityCriticalAttribute.Annotation - private void copyInt(int x, int y, int w, int h, int[] pixels, int off, int pixelFormat ) { - BitmapData data = getBitmapRef().LockBits(new cli.System.Drawing.Rectangle(x, y, w, h), ImageLockMode.wrap(ImageLockMode.WriteOnly), PixelFormat.wrap(pixelFormat)); - cli.System.Runtime.InteropServices.Marshal.Copy(pixels, off, data.get_Scan0(), data.get_Width() * data.get_Height()); - getBitmapRef().UnlockBits(data); - } - - @cli.System.Security.SecurityCriticalAttribute.Annotation - private void copyByte(int x, int y, int w, int h, byte[] pixels, int off, int pixelFormat, int bpp) { - BitmapData data = getBitmapRef().LockBits(new cli.System.Drawing.Rectangle(x, y, w, h), ImageLockMode.wrap(ImageLockMode.WriteOnly), PixelFormat.wrap(pixelFormat)); - cli.System.Runtime.InteropServices.Marshal.Copy(pixels, off, data.get_Scan0(), pixels.length); - getBitmapRef().UnlockBits(data); - } - - - private int getPixelFormatForColorModel( ColorModel cm ){ - if( cm == null ){ - return DEFAULT_PIXEL_FORMAT; // TODO is PixelFormat.Canonical better here? - } - int bpp = cm.getPixelSize(); - int[] sizes = cm.getComponentSize(); - switch( bpp ){ - case 1: return PixelFormat.Undefined; // Indexed is invalid and there is no 1bpp - case 4: return PixelFormat.Format4bppIndexed; - case 8: return PixelFormat.Format8bppIndexed; - case 16: - if( sizes.length <= 1) { - return PixelFormat.Format16bppGrayScale; - } - if( sizes.length == 3 ){ - if( sizes[0] == 5 && sizes[2] == 5 ){ - return sizes[1] == 5 ? PixelFormat.Format16bppRgb555 : PixelFormat.Format16bppRgb565; - } - } - if( sizes.length == 4 && cm.hasAlpha() ){ - return PixelFormat.Format16bppArgb1555; - } - break; - case 24: - return PixelFormat.Format24bppRgb; - case 32: - if(!cm.hasAlpha()){ - return PixelFormat.Format32bppRgb; - } else { - return cm.isAlphaPremultiplied() ? PixelFormat.Format32bppPArgb : PixelFormat.Format32bppArgb; - } - case 48: - return PixelFormat.Format48bppRgb; - case 64: - return cm.isAlphaPremultiplied() ? PixelFormat.Format64bppPArgb : PixelFormat.Format64bppArgb; - } - return PixelFormat.Undefined; - } - - private boolean consuming = false; - - public void imageComplete(int status) { - if (src != null) { - src.checkSecurity(null, false); - } - boolean done; - int info; - switch (status) { - default: - case ImageConsumer.IMAGEABORTED: - done = true; - info = ImageObserver.ABORT; - break; - case ImageConsumer.IMAGEERROR: - image.addInfo(ImageObserver.ERROR); - done = true; - info = ImageObserver.ERROR; - dispose(); - break; - case ImageConsumer.STATICIMAGEDONE: - done = true; - info = ImageObserver.ALLBITS; - break; - case ImageConsumer.SINGLEFRAMEDONE: - done = false; - info = ImageObserver.FRAMEBITS; - break; - } - synchronized (this) { - if (done) { - image.getSource().removeConsumer(this); - consuming = false; - } - if (bimage == null ) { - bimage = new BufferedImage(getBitmapRef()); - } - availinfo |= info; - notifyAll(); - } - - newInfo(image, info, 0, 0, width, height); - - image.infoDone(status); - } - - /*synchronized*/ void startProduction() { - if (!consuming) { - consuming = true; - image.getSource().startProduction(this); - } - } - - private int numWaiters; - - private synchronized void checkConsumption() { - if (isWatcherListEmpty() && numWaiters == 0 && - ((availinfo & ImageObserver.ALLBITS) == 0)) - { - dispose(); - } - } - - @Override - public synchronized void notifyWatcherListEmpty() { - checkConsumption(); - } - - private synchronized void decrementWaiters() { - --numWaiters; - checkConsumption(); - } - - public boolean prepare(ImageObserver iw) { - if (src != null) { - src.checkSecurity(null, false); - } - if ((availinfo & ImageObserver.ERROR) != 0) { - if (iw != null) { - iw.imageUpdate(image, ImageObserver.ERROR|ImageObserver.ABORT, - -1, -1, -1, -1); - } - return false; - } - boolean done = ((availinfo & ImageObserver.ALLBITS) != 0); - if (!done) { - addWatcher(iw); - startProduction(); - // Some producers deliver image data synchronously - done = ((availinfo & ImageObserver.ALLBITS) != 0); - } - return done; - } - - public int check(ImageObserver iw) { - - if (src != null) { - src.checkSecurity(null, false); - } - if ((availinfo & (ImageObserver.ERROR | ImageObserver.ALLBITS)) == 0) { - addWatcher(iw); - } - - return availinfo; - } - - synchronized void abort() { - image.getSource().removeConsumer(this); - consuming = false; - bimage = null; - bitmap = null; - - newInfo(image, ImageObserver.ABORT, -1, -1, -1, -1); - availinfo &= ~(ImageObserver.SOMEBITS - | ImageObserver.FRAMEBITS - | ImageObserver.ALLBITS - | ImageObserver.ERROR); - } - - synchronized void dispose() { - image.getSource().removeConsumer(this); - consuming = false; - availinfo &= ~(ImageObserver.SOMEBITS - | ImageObserver.FRAMEBITS - | ImageObserver.ALLBITS); - } -} |