TMC-IMAGE: Code clean-up. Removed obsolete code. No functional changes.

This commit is contained in:
Harald Kuhr 2013-06-05 10:45:31 +02:00
parent 0e628f6e4c
commit e72988aa7b
3 changed files with 112 additions and 128 deletions

View File

@ -259,11 +259,9 @@ public final class BufferedImageFactory {
sourceProperties = null;
}
private void processProgress(int mScanline) {
private void processProgress(int scanline) {
if (listeners != null) {
int percent = 100 * mScanline / height;
//System.out.println("Progress: " + percent + "%");
int percent = 100 * scanline / height;
if (percent > percentageDone) {
percentageDone = percent;
@ -323,7 +321,7 @@ public final class BufferedImageFactory {
* pixels. The conversion is done, by masking out the
* <em>higher 16 bits</em> of the {@code int}.
*
* For eny given {@code int}, the {@code short} value is computed as
* For any given {@code int}, the {@code short} value is computed as
* follows:
* <blockquote>{@code
* short value = (short) (intValue & 0x0000ffff);
@ -334,9 +332,11 @@ public final class BufferedImageFactory {
*/
private static short[] toShortPixels(int[] pPixels) {
short[] pixels = new short[pPixels.length];
for (int i = 0; i < pixels.length; i++) {
pixels[i] = (short) (pPixels[i] & 0xffff);
}
return pixels;
}
@ -507,24 +507,11 @@ public final class BufferedImageFactory {
}
public void setPixels(int pX, int pY, int pWidth, int pHeight, ColorModel pModel, byte[] pPixels, int pOffset, int pScanSize) {
/*if (pModel.getPixelSize() < 8) {
// Byte packed
setPixelsImpl(pX, pY, pWidth, pHeight, pModel, toBytePackedPixels(pPixels, pModel.getPixelSize()), pOffset, pScanSize);
}
/*
else if (pModel.getPixelSize() > 8) {
// Byte interleaved
setPixelsImpl(pX, pY, pWidth, pHeight, pModel, toByteInterleavedPixels(pPixels), pOffset, pScanSize);
}
*/
//else {
// Default, pixelSize == 8, one byte pr pixel
setPixelsImpl(pX, pY, pWidth, pHeight, pModel, pPixels, pOffset, pScanSize);
//}
setPixelsImpl(pX, pY, pWidth, pHeight, pModel, pPixels, pOffset, pScanSize);
}
public void setPixels(int pX, int pY, int pWeigth, int pHeight, ColorModel pModel, int[] pPixels, int pOffset, int pScanSize) {
if (ImageUtil.getTransferType(pModel) == DataBuffer.TYPE_USHORT) {
if (pModel.getTransferType() == DataBuffer.TYPE_USHORT) {
// NOTE: Workaround for limitation in ImageConsumer API
// Convert int[] to short[], to be compatible with the ColorModel
setPixelsImpl(pX, pY, pWeigth, pHeight, pModel, toShortPixels(pPixels), pOffset, pScanSize);
@ -538,4 +525,86 @@ public final class BufferedImageFactory {
sourceProperties = pProperties;
}
}
/*
public static void main(String[] args) throws InterruptedException {
Image image = Toolkit.getDefaultToolkit().createImage(args[0]);
System.err.printf("image: %s (which is %sa buffered image)\n", image, image instanceof BufferedImage ? "" : "not ");
int warmUpLoops = 500;
int testLoops = 100;
for (int i = 0; i < warmUpLoops; i++) {
// Warm up...
convertUsingFactory(image);
convertUsingPixelGrabber(image);
convertUsingPixelGrabberNaive(image);
}
BufferedImage bufferedImage = null;
long start = System.currentTimeMillis();
for (int i = 0; i < testLoops; i++) {
bufferedImage = convertUsingFactory(image);
}
System.err.printf("Conversion time (factory): %f ms (image: %s)\n", (System.currentTimeMillis() - start) / (double) testLoops, bufferedImage);
start = System.currentTimeMillis();
for (int i = 0; i < testLoops; i++) {
bufferedImage = convertUsingPixelGrabber(image);
}
System.err.printf("Conversion time (grabber): %f ms (image: %s)\n", (System.currentTimeMillis() - start) / (double) testLoops, bufferedImage);
start = System.currentTimeMillis();
for (int i = 0; i < testLoops; i++) {
bufferedImage = convertUsingPixelGrabberNaive(image);
}
System.err.printf("Conversion time (naive g): %f ms (image: %s)\n", (System.currentTimeMillis() - start) / (double) testLoops, bufferedImage);
}
private static BufferedImage convertUsingPixelGrabberNaive(Image image) throws InterruptedException {
// NOTE: It does not matter if we wait for the image or not, the time is about the same as it will only happen once
if ((image.getWidth(null) < 0 || image.getHeight(null) < 0) && !ImageUtil.waitForImage(image)) {
System.err.printf("Could not get image dimensions for image %s\n", image.getSource());
}
int w = image.getWidth(null);
int h = image.getHeight(null);
PixelGrabber grabber = new PixelGrabber(image, 0, 0, w, h, true); // force RGB
grabber.grabPixels();
// Following casts are safe, as we force RGB in the pixel grabber
int[] pixels = (int[]) grabber.getPixels();
BufferedImage bufferedImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
// bufferedImage.setRGB(0, 0, w, h, pixels, 0, w);
bufferedImage.getRaster().setDataElements(0, 0, w, h, pixels);
return bufferedImage;
}
private static BufferedImage convertUsingPixelGrabber(Image image) throws InterruptedException {
// NOTE: It does not matter if we wait for the image or not, the time is about the same as it will only happen once
if ((image.getWidth(null) < 0 || image.getHeight(null) < 0) && !ImageUtil.waitForImage(image)) {
System.err.printf("Could not get image dimensions for image %s\n", image.getSource());
}
int w = image.getWidth(null);
int h = image.getHeight(null);
PixelGrabber grabber = new PixelGrabber(image, 0, 0, w, h, true); // force RGB
grabber.grabPixels();
// Following casts are safe, as we force RGB in the pixel grabber
// DirectColorModel cm = (DirectColorModel) grabber.getColorModel();
DirectColorModel cm = (DirectColorModel) ColorModel.getRGBdefault();
int[] pixels = (int[]) grabber.getPixels();
WritableRaster raster = Raster.createPackedRaster(new DataBufferInt(pixels, pixels.length), w, h, w, cm.getMasks(), null);
return new BufferedImage(cm, raster, cm.isAlphaPremultiplied(), null);
}
private static BufferedImage convertUsingFactory(Image image) {
return new BufferedImageFactory(image).getBufferedImage();
}
*/
}

View File

@ -181,9 +181,6 @@ public final class ImageUtil {
/** */
protected static final Point LOCATION_UPPER_LEFT = new Point(0, 0);
/** */
private static final boolean COLORMODEL_TRANSFERTYPE_SUPPORTED = isColorModelTransferTypeSupported();
/** */
private static final GraphicsConfiguration DEFAULT_CONFIGURATION = getDefaultGraphicsConfiguration();
@ -205,22 +202,6 @@ public final class ImageUtil {
private ImageUtil() {
}
/**
* Tests if {@code ColorModel} has a {@code getTransferType} method.
*
* @return {@code true} if {@code ColorModel} has a
* {@code getTransferType} method
*/
private static boolean isColorModelTransferTypeSupported() {
try {
ColorModel.getRGBdefault().getTransferType();
return true;
}
catch (Throwable t) {
return false;
}
}
/**
* Converts the {@code RenderedImage} to a {@code BufferedImage}.
* The new image will have the <em>same</em> {@code ColorModel},
@ -378,7 +359,7 @@ public final class ImageUtil {
/**
* Creates a copy of the given image. The image will have the same
* colormodel and raster type, but will not share image (pixel) data.
* color model and raster type, but will not share image (pixel) data.
*
* @param pImage the image to clone.
*
@ -408,11 +389,11 @@ public final class ImageUtil {
* <p/>
* This method is optimized for the most common cases of {@code ColorModel}
* and pixel data combinations. The raster's backing {@code DataBuffer} is
* created directly from the pixel data, as this is faster and with more
* created directly from the pixel data, as this is faster and more
* resource-friendly than using
* {@code ColorModel.createCompatibleWritableRaster(w, h)}.
* <p/>
* For unknown combinations, the method will fallback to using
* For uncommon combinations, the method will fallback to using
* {@code ColorModel.createCompatibleWritableRaster(w, h)} and
* {@code WritableRaster.setDataElements(w, h, pixels)}
* <p/>
@ -438,8 +419,8 @@ public final class ImageUtil {
*/
static WritableRaster createRaster(int pWidth, int pHeight, Object pPixels, ColorModel pColorModel) {
// NOTE: This is optimized code for most common cases.
// We create a DataBuffer with the array from grabber.getPixels()
// directly, and creating a raster based on the ColorModel.
// We create a DataBuffer from the pixel array directly,
// and creating a raster based on the DataBuffer and ColorModel.
// Creating rasters this way is faster and more resource-friendly, as
// cm.createCompatibleWritableRaster allocates an
// "empty" DataBuffer with a storage array of w*h. This array is
@ -453,14 +434,12 @@ public final class ImageUtil {
if (pPixels instanceof int[]) {
int[] data = (int[]) pPixels;
buffer = new DataBufferInt(data, data.length);
//bands = data.length / (w * h);
bands = pColorModel.getNumComponents();
}
else if (pPixels instanceof short[]) {
short[] data = (short[]) pPixels;
buffer = new DataBufferUShort(data, data.length);
bands = data.length / (pWidth * pHeight);
//bands = cm.getNumComponents();
}
else if (pPixels instanceof byte[]) {
byte[] data = (byte[]) pPixels;
@ -473,47 +452,30 @@ public final class ImageUtil {
else {
bands = data.length / (pWidth * pHeight);
}
//bands = pColorModel.getNumComponents();
//System.out.println("Pixels: " + data.length + " (" + buffer.getSize() + ")");
//System.out.println("w*h*bands: " + (pWidth * pHeight * bands));
//System.out.println("Bands: " + bands);
//System.out.println("Numcomponents: " + pColorModel.getNumComponents());
}
else {
//System.out.println("Fallback!");
// Fallback mode, slower & requires more memory, but compatible
bands = -1;
// Create raster from colormodel, w and h
// Create raster from color model, w and h
raster = pColorModel.createCompatibleWritableRaster(pWidth, pHeight);
raster.setDataElements(0, 0, pWidth, pHeight, pPixels); // Note: This is known to throw ClassCastExceptions..
}
//System.out.println("Bands: " + bands);
//System.out.println("Pixels: " + pixels.getClass() + " length: " + buffer.getSize());
//System.out.println("Needed Raster: " + cm.createCompatibleWritableRaster(1, 1));
if (raster == null) {
//int bits = cm.getPixelSize();
//if (bits > 4) {
if (pColorModel instanceof IndexColorModel && isIndexedPacked((IndexColorModel) pColorModel)) {
//System.out.println("Creating packed indexed model");
raster = Raster.createPackedRaster(buffer, pWidth, pHeight, pColorModel.getPixelSize(), LOCATION_UPPER_LEFT);
}
else if (pColorModel instanceof PackedColorModel) {
//System.out.println("Creating packed model");
PackedColorModel pcm = (PackedColorModel) pColorModel;
raster = Raster.createPackedRaster(buffer, pWidth, pHeight, pWidth, pcm.getMasks(), LOCATION_UPPER_LEFT);
}
else {
//System.out.println("Creating interleaved model");
// (A)BGR order... For TYPE_3BYTE_BGR/TYPE_4BYTE_ABGR/TYPE_4BYTE_ABGR_PRE.
int[] bandsOffsets = new int[bands];
for (int i = 0; i < bands;) {
bandsOffsets[i] = bands - (++i);
}
//System.out.println("zzz Data array: " + buffer.getSize());
raster = Raster.createInterleavedRaster(buffer, pWidth, pHeight, pWidth * bands, bands, bandsOffsets, LOCATION_UPPER_LEFT);
}
@ -1782,7 +1744,7 @@ public final class ImageUtil {
* @param pTimeOut the time to wait, in milliseconds.
*
* @return true if the image was loaded successfully, false if an error
* occured, or the wait was interrupted.
* occurred, or the wait was interrupted.
*
* @see #waitForImages(Image[],long)
*/
@ -1797,7 +1759,7 @@ public final class ImageUtil {
* @param pImages an array of Image objects to wait for.
*
* @return true if the images was loaded successfully, false if an error
* occured, or the wait was interrupted.
* occurred, or the wait was interrupted.
*
* @see #waitForImages(Image[],long)
*/
@ -1813,7 +1775,7 @@ public final class ImageUtil {
* @param pTimeOut the time to wait, in milliseconds
*
* @return true if the images was loaded successfully, false if an error
* occured, or the wait was interrupted.
* occurred, or the wait was interrupted.
*/
public static boolean waitForImages(Image[] pImages, long pTimeOut) {
// TODO: Need to make sure that we don't wait for the same image many times
@ -1868,7 +1830,7 @@ public final class ImageUtil {
}
/**
* Tests wether the image has any transparent or semi-transparent pixels.
* Tests whether the image has any transparent or semi-transparent pixels.
*
* @param pImage the image
* @param pFast if {@code true}, the method tests maximum 10 x 10 pixels,
@ -1936,7 +1898,7 @@ public final class ImageUtil {
}
/**
* Blends two ARGB values half and half, to create a tone inbetween.
* Blends two ARGB values half and half, to create a tone in between.
*
* @param pRGB1 color 1
* @param pRGB2 color 2
@ -1949,7 +1911,7 @@ public final class ImageUtil {
}
/**
* Blends two colors half and half, to create a tone inbetween.
* Blends two colors half and half, to create a tone in between.
*
* @param pColor color 1
* @param pOther color 2
@ -1967,7 +1929,7 @@ public final class ImageUtil {
}
/**
* Blends two colors, controlled by the blendfactor.
* Blends two colors, controlled by the blending factor.
* A factor of {@code 0.0} will return the first color,
* a factor of {@code 1.0} will return the second.
*
@ -1989,50 +1951,4 @@ public final class ImageUtil {
private static int clamp(float f) {
return (int) f;
}
/**
* PixelGrabber subclass that stores any potential properties from an image.
*/
/*
private static class MyPixelGrabber extends PixelGrabber {
private Hashtable mProps = null;
public MyPixelGrabber(Image pImage) {
// Simply grab all pixels, do not convert to default RGB space
super(pImage, 0, 0, -1, -1, false);
}
// Default implementation does not store the properties...
public void setProperties(Hashtable pProps) {
super.setProperties(pProps);
mProps = pProps;
}
public Hashtable getProperties() {
return mProps;
}
}
*/
/**
* Gets the transfer type from the given {@code ColorModel}.
* <p/>
* NOTE: This is a workaround for missing functionality in JDK 1.2.
*
* @param pModel the color model
* @return the transfer type
*
* @throws NullPointerException if {@code pModel} is {@code null}.
*
* @see java.awt.image.ColorModel#getTransferType()
*/
public static int getTransferType(ColorModel pModel) {
if (COLORMODEL_TRANSFERTYPE_SUPPORTED) {
return pModel.getTransferType();
}
else {
// Stupid workaround
// TODO: Create something that performs better
return pModel.createCompatibleSampleModel(1, 1).getDataType();
}
}
}

View File

@ -30,6 +30,7 @@
package com.twelvemonkeys.image;
import com.twelvemonkeys.lang.StringUtil;
import com.twelvemonkeys.lang.Validate;
import java.awt.*;
import java.awt.image.DataBuffer;
@ -37,7 +38,7 @@ import java.awt.image.IndexColorModel;
/**
* A faster implementation of {@code IndexColorModel}, that is backed by an
* inverse color-map, for fast lookups.
* inverse color-map, for fast look-ups.
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author $Author: haku $
@ -60,19 +61,17 @@ public class InverseColorMapIndexColorModel extends IndexColorModel {
* Creates an {@code InverseColorMapIndexColorModel} from an existing
* {@code IndexColorModel}.
*
* @param pColorModel the colormodel to create from
* @param pColorModel the color model to create from.
* @throws IllegalArgumentException if {@code pColorModel} is {@code null}
*/
public InverseColorMapIndexColorModel(IndexColorModel pColorModel) {
this(pColorModel, getRGBs(pColorModel));
public InverseColorMapIndexColorModel(final IndexColorModel pColorModel) {
this(Validate.notNull(pColorModel, "color model"), getRGBs(pColorModel));
}
// NOTE: The pRGBs parameter is used to get around invoking getRGBs two
// times. What is wrong with protected?!
private InverseColorMapIndexColorModel(IndexColorModel pColorModel, int[] pRGBs) {
super(pColorModel.getComponentSize()[0], pColorModel.getMapSize(),
pRGBs, 0,
ImageUtil.getTransferType(pColorModel),
pColorModel.getValidPixels());
super(pColorModel.getComponentSize()[0], pColorModel.getMapSize(), pRGBs, 0, pColorModel.getTransferType(), pColorModel.getValidPixels());
rgbs = pRGBs;
mapSize = rgbs.length;
@ -82,11 +81,11 @@ public class InverseColorMapIndexColorModel extends IndexColorModel {
}
/**
* Creates a defensive copy of the RGB colormap in the given
* Creates a defensive copy of the RGB color map in the given
* {@code IndexColorModel}.
*
* @param pColorModel the indec colormodel to get RGB values from
* @return the RGB colormap
* @param pColorModel the indexed color model to get RGB values from
* @return the RGB color map
*/
private static int[] getRGBs(IndexColorModel pColorModel) {
int[] rgb = new int[pColorModel.getMapSize()];