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

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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
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common/common-image/src/main/java/com/twelvemonkeys/image/ImageUtil.java
+13 -97
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@@ -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();
}
}
}