Examples of PNGDecodeParam

com.lightcrafts.media.jai.codec.PNGDecodeParam
An instance of ImageDecodeParam for decoding images in the PNG format. PNGDecodeParam allows several aspects of the decoding process for PNG images to be controlled. By default, decoding produces output images with the following properties:
Images with a bit depth of 8 or less use a DataBufferByte to hold the pixel data. 16-bit images use a DataBufferUShort.
Palette color images and non-transparent grayscale images with bit depths of 1, 2, or 4 will have a MultiPixelPackedSampleModel and an IndexColorModel. For palette color images, the ColorModel palette contains the red, green, blue, and optionally alpha palette information. For grayscale images, the palette is used to expand the pixel data to cover the range 0-255. The pixels are stored packed 8, 4, or 2 to the byte.
All other images are stored using a PixelInterleavedSampleModel with each sample of a pixel occupying its own byte or short within the DataBuffer. A ComponentColorModel is used which simply extracts the red, green, blue, gray, and/or alpha information from separate DataBuffer entries.
Five aspects of this process may be altered by means of methods in this class.
setSuppressAlpha() prevents an alpha channel from appearing in the output.
setExpandPalette() turns palette-color images into 3-or 4-channel full-color images.
setOutput8BitGray() causes 1, 2, or 4 bit grayscale images to be output in 8-bit form, using a ComponentSampleModel and ComponentColorModel.
setDecodingExponent() causes the output image to be gamma-corrected using a supplied output gamma value.
setExpandGrayAlpha() causes 2-channel gray/alpha (GA) images to be output as full-color (GGGA) images, which may simplify further processing and display.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.
com.sun.media.jai.codec.PNGDecodeParam
An instance of ImageDecodeParam for decoding images in the PNG format. PNGDecodeParam allows several aspects of the decoding process for PNG images to be controlled. By default, decoding produces output images with the following properties:
Images with a bit depth of 8 or less use a DataBufferByte to hold the pixel data. 16-bit images use a DataBufferUShort.
Palette color images and non-transparent grayscale images with bit depths of 1, 2, or 4 will have a MultiPixelPackedSampleModel and an IndexColorModel. For palette color images, the ColorModel palette contains the red, green, blue, and optionally alpha palette information. For grayscale images, the palette is used to expand the pixel data to cover the range 0-255. The pixels are stored packed 8, 4, or 2 to the byte.
All other images are stored using a PixelInterleavedSampleModel with each sample of a pixel occupying its own byte or short within the DataBuffer. A ComponentColorModel is used which simply extracts the red, green, blue, gray, and/or alpha information from separate DataBuffer entries.
Five aspects of this process may be altered by means of methods in this class.
setSuppressAlpha() prevents an alpha channel from appearing in the output.
setExpandPalette() turns palette-color images into 3-or 4-channel full-color images.
setOutput8BitGray() causes 1, 2, or 4 bit grayscale images to be output in 8-bit form, using a ComponentSampleModel and ComponentColorModel.
setDecodingExponent() causes the output image to be gamma-corrected using a supplied output gamma value.
setExpandGrayAlpha() causes 2-channel gray/alpha (GA) images to be output as full-color (GGGA) images, which may simplify further processing and display.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.
org.apache.batik.ext.awt.image.codec.PNGDecodeParam
An instance of ImageDecodeParam for decoding images in the PNG format. PNGDecodeParam allows several aspects of the decoding process for PNG images to be controlled. By default, decoding produces output images with the following properties:
Images with a bit depth of 8 or less use a DataBufferByte to hold the pixel data. 16-bit images use a DataBufferUShort.
Palette color images and non-transparent grayscale images with bit depths of 1, 2, or 4 will have a MultiPixelPackedSampleModel and an IndexColorModel. For palette color images, the ColorModel palette contains the red, green, blue, and optionally alpha palette information. For grayscale images, the palette is used to expand the pixel data to cover the range 0-255. The pixels are stored packed 8, 4, or 2 to the byte.
All other images are stored using a PixelInterleavedSampleModel with each sample of a pixel occupying its own byte or short within the DataBuffer. A ComponentColorModel is used which simply extracts the red, green, blue, gray, and/or alpha information from separate DataBuffer entries.
Five aspects of this process may be altered by means of methods in this class.
setSuppressAlpha() prevents an alpha channel from appearing in the output.
setExpandPalette() turns palette-color images into 3-or 4-channel full-color images.
setOutput8BitGray() causes 1, 2, or 4 bit grayscale images to be output in 8-bit form, using a ComponentSampleModel and ComponentColorModel.
setDecodingExponent() causes the output image to be gamma-corrected using a supplied output gamma value.
setExpandGrayAlpha() causes 2-channel gray/alpha (GA) images to be output as full-color (GGGA) images, which may simplify further processing and display.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.
org.apache.batik.ext.awt.image.codec.png.PNGDecodeParam
An instance of ImageDecodeParam for decoding images in the PNG format. PNGDecodeParam allows several aspects of the decoding process for PNG images to be controlled. By default, decoding produces output images with the following properties:
Images with a bit depth of 8 or less use a DataBufferByte to hold the pixel data. 16-bit images use a DataBufferUShort.
Palette color images and non-transparent grayscale images with bit depths of 1, 2, or 4 will have a MultiPixelPackedSampleModel and an IndexColorModel. For palette color images, the ColorModel palette contains the red, green, blue, and optionally alpha palette information. For grayscale images, the palette is used to expand the pixel data to cover the range 0-255. The pixels are stored packed 8, 4, or 2 to the byte.
All other images are stored using a PixelInterleavedSampleModel with each sample of a pixel occupying its own byte or short within the DataBuffer. A ComponentColorModel is used which simply extracts the red, green, blue, gray, and/or alpha information from separate DataBuffer entries.
Five aspects of this process may be altered by means of methods in this class.
setSuppressAlpha() prevents an alpha channel from appearing in the output.
setExpandPalette() turns palette-color images into 3-or 4-channel full-color images.
setOutput8BitGray() causes 1, 2, or 4 bit grayscale images to be output in 8-bit form, using a ComponentSampleModel and ComponentColorModel.
setDecodingExponent() causes the output image to be gamma-corrected using a supplied output gamma value.
setExpandGrayAlpha() causes 2-channel gray/alpha (GA) images to be output as full-color (GGGA) images, which may simplify further processing and display.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI. @version $Id: PNGDecodeParam.java 498740 2007-01-22 18:35:57Z dvholten $
org.apache.flex.forks.batik.ext.awt.image.codec.PNGDecodeParam
An instance of ImageDecodeParam for decoding images in the PNG format. PNGDecodeParam allows several aspects of the decoding process for PNG images to be controlled. By default, decoding produces output images with the following properties:
Images with a bit depth of 8 or less use a DataBufferByte to hold the pixel data. 16-bit images use a DataBufferUShort.
Palette color images and non-transparent grayscale images with bit depths of 1, 2, or 4 will have a MultiPixelPackedSampleModel and an IndexColorModel. For palette color images, the ColorModel palette contains the red, green, blue, and optionally alpha palette information. For grayscale images, the palette is used to expand the pixel data to cover the range 0-255. The pixels are stored packed 8, 4, or 2 to the byte.
All other images are stored using a PixelInterleavedSampleModel with each sample of a pixel occupying its own byte or short within the DataBuffer. A ComponentColorModel is used which simply extracts the red, green, blue, gray, and/or alpha information from separate DataBuffer entries.
Five aspects of this process may be altered by means of methods in this class.
setSuppressAlpha() prevents an alpha channel from appearing in the output.
setExpandPalette() turns palette-color images into 3-or 4-channel full-color images.
setOutput8BitGray() causes 1, 2, or 4 bit grayscale images to be output in 8-bit form, using a ComponentSampleModel and ComponentColorModel.
setDecodingExponent() causes the output image to be gamma-corrected using a supplied output gamma value.
setExpandGrayAlpha() causes 2-channel gray/alpha (GA) images to be output as full-color (GGGA) images, which may simplify further processing and display.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.
org.apache.xmlgraphics.image.codec.png.PNGDecodeParam
An instance of ImageDecodeParam for decoding images in the PNG format. PNGDecodeParam allows several aspects of the decoding process for PNG images to be controlled. By default, decoding produces output images with the following properties:
Images with a bit depth of 8 or less use a DataBufferByte to hold the pixel data. 16-bit images use a DataBufferUShort.
Palette color images and non-transparent grayscale images with bit depths of 1, 2, or 4 will have a MultiPixelPackedSampleModel and an IndexColorModel. For palette color images, the ColorModel palette contains the red, green, blue, and optionally alpha palette information. For grayscale images, the palette is used to expand the pixel data to cover the range 0-255. The pixels are stored packed 8, 4, or 2 to the byte.
All other images are stored using a PixelInterleavedSampleModel with each sample of a pixel occupying its own byte or short within the DataBuffer. A ComponentColorModel is used which simply extracts the red, green, blue, gray, and/or alpha information from separate DataBuffer entries.
Five aspects of this process may be altered by means of methods in this class.
setSuppressAlpha() prevents an alpha channel from appearing in the output.
setExpandPalette() turns palette-color images into 3-or 4-channel full-color images.
setOutput8BitGray() causes 1, 2, or 4 bit grayscale images to be output in 8-bit form, using a ComponentSampleModel and ComponentColorModel.
setDecodingExponent() causes the output image to be gamma-corrected using a supplied output gamma value.
setExpandGrayAlpha() causes 2-channel gray/alpha (GA) images to be output as full-color (GGGA) images, which may simplify further processing and display.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.

Examples of com.sun.media.jai.codec.PNGDecodeParam

/* 149 */     return new PNGImageDecoder(new FileInputStream(src), p);
/*     */   }
/*     */ 
/*     */   protected ImageDecoder createImageDecoder(SeekableStream src, ImageDecodeParam param)
/*     */   {
/* 154 */     PNGDecodeParam p = null;
/* 155 */     if (param != null) {
/* 156 */       p = (PNGDecodeParam)param;
/*     */     }
/* 158 */     return new PNGImageDecoder(src, p);
/*     */   }

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Examples of com.sun.media.jai.codec.PNGDecodeParam

/*  390 */       stream = new BufferedInputStream(stream);
/*      */     }
/*  392 */     DataInputStream distream = new DataInputStream(stream);
/*      */ 
/*  394 */     if (decodeParam == null) {
/*  395 */       decodeParam = new PNGDecodeParam();
/*      */     }
/*  397 */     this.decodeParam = decodeParam;
/*      */ 
/*  400 */     this.suppressAlpha = decodeParam.getSuppressAlpha();
/*  401 */     this.expandPalette = decodeParam.getExpandPalette();

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


        Thread t = new Thread() {
                public void run() {
                    Filter filt;
                    try {
                        PNGDecodeParam param = new PNGDecodeParam();
                        param.setExpandPalette(true);
                        
                        if (raw) 
                            param.setPerformGammaCorrection(false);
                        else {
                            param.setPerformGammaCorrection(true);
                            param.setDisplayExponent(2.2f); // sRGB gamma
                        }
                        CachableRed cr = new PNGRed(is, param);
                        dr.setBounds(new Rectangle2D.Double
                                     (0, 0, cr.getWidth(), cr.getHeight()));

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


        Thread t = new Thread() {
                public void run() {
                    Filter filt;
                    try {
                        PNGDecodeParam param = new PNGDecodeParam();
                        param.setExpandPalette(true);
                        
                        if (raw) 
                            param.setPerformGammaCorrection(false);
                        else {
                            param.setPerformGammaCorrection(true);
                            param.setDisplayExponent(2.2f); // sRGB gamma
                        }
                        CachableRed cr = new PNGRed(is, param);
                        cr = new Any2sRGBRed(cr);
                        filt = new RedRable(cr);
                    } catch (IOException ioe) {

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


        Thread t = new Thread() {
                public void run() {
                    Filter filt;
                    try {
                        PNGDecodeParam param = new PNGDecodeParam();
                        param.setExpandPalette(true);
                        
                        if (raw) 
                            param.setPerformGammaCorrection(false);
                        else {
                            param.setPerformGammaCorrection(true);
                            param.setDisplayExponent(2.4f); // sRGB gamma
                        }
                        CachableRed cr = new PNGRed(is, param);
                        cr = new Any2sRGBRed(cr);
                        filt = new RedRable(cr);

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


        Thread t = new Thread() {
                public void run() {
                    Filter filt;
                    try {
                        PNGDecodeParam param = new PNGDecodeParam();
                        param.setExpandPalette(true);
                        
                        if (raw) 
                            param.setPerformGammaCorrection(false);
                        else {
                            param.setPerformGammaCorrection(true);
                            param.setDisplayExponent(2.4f); // sRGB gamma
                        }
                        CachableRed cr = new PNGRed(is, param);
                        cr = new Any2sRGBRed(cr);
                        filt = new RedRable(cr);
                    } catch (IOException ioe) {

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


        Thread t = new Thread() {
                public void run() {
                    Filter filt;
                    try {
                        PNGDecodeParam param = new PNGDecodeParam();
                        param.setExpandPalette(true);
                        
                        if (raw) 
                            param.setPerformGammaCorrection(false);
                        else {
                            param.setPerformGammaCorrection(true);
                            param.setDisplayExponent(2.2f); // sRGB gamma
                        }
                        CachableRed cr = new PNGRed(is, param);
                        dr.setBounds(new Rectangle2D.Double
                                     (0, 0, cr.getWidth(), cr.getHeight()));

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


        Thread t = new Thread() {
                public void run() {
                    Filter filt;
                    try {
                        PNGDecodeParam param = new PNGDecodeParam();
                        param.setExpandPalette(true);
                        
                        if (raw) 
                            param.setPerformGammaCorrection(false);
                        else {
                            param.setPerformGammaCorrection(true);
                            param.setDisplayExponent(2.2f); // sRGB gamma
                        }
                        CachableRed cr = new PNGRed(is, param);
                        cr = new Any2sRGBRed(cr);
                        filt = new RedRable(cr);
                    } catch (IOException ioe) {

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


        Thread t = new Thread() {
                public void run() {
                    Filter filt;
                    try {
                        PNGDecodeParam param = new PNGDecodeParam();
                        param.setExpandPalette(true);
                        
                        if (raw) 
                            param.setPerformGammaCorrection(false);
                        else {
                            param.setPerformGammaCorrection(true);
                            param.setDisplayExponent(2.2f); // sRGB gamma
                        }
                        CachableRed cr = new PNGRed(is, param);
                        dr.setBounds(new Rectangle2D.Double
                                     (0, 0, cr.getWidth(), cr.getHeight()));

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Examples of org.apache.batik.ext.awt.image.codec.PNGDecodeParam


    /**
     * @see org.apache.fop.image.BatikImage#decodeImage(org.apache.batik.ext.awt.image.codec.SeekableStream)
     */
    protected CachableRed decodeImage(SeekableStream stream) throws IOException {
        PNGDecodeParam param = new PNGDecodeParam();
        param.setPerformGammaCorrection(true);
        param.setDisplayExponent(2.2f); // sRGB gamma
        PNGRed red = new PNGRed(stream, param); 
        String unit = (String)red.getProperty("pixel_units");
        if ("Meters".equals(unit)) {
            this.dpiHorizontal = ((Integer)red.getProperty("x_pixels_per_unit")).intValue() 
                * 25.4f / 1000f;

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