diff options
Diffstat (limited to 'java/awt/image/SinglePixelPackedSampleModel.java')
| -rw-r--r-- | java/awt/image/SinglePixelPackedSampleModel.java | 176 |
1 files changed, 88 insertions, 88 deletions
diff --git a/java/awt/image/SinglePixelPackedSampleModel.java b/java/awt/image/SinglePixelPackedSampleModel.java index 225138651..143581db9 100644 --- a/java/awt/image/SinglePixelPackedSampleModel.java +++ b/java/awt/image/SinglePixelPackedSampleModel.java @@ -43,9 +43,9 @@ import gnu.java.lang.CPStringBuilder; /** * A <code>SampleModel</code> used when all samples are stored in a single - * data element in the {@link DataBuffer}, and each data element contains + * data element in the {@link DataBuffer}, and each data element contains * samples for one pixel only. - * + * * @author Rolf W. Rasmussen (rolfwr@ii.uib.no) */ public class SinglePixelPackedSampleModel extends SampleModel @@ -54,10 +54,10 @@ public class SinglePixelPackedSampleModel extends SampleModel private int[] bitMasks; private int[] bitOffsets; private int[] sampleSize; - + /** * Creates a new <code>SinglePixelPackedSampleModel</code>. - * + * * @param dataType the data buffer type. * @param w the width (in pixels). * @param h the height (in pixels). @@ -65,14 +65,14 @@ public class SinglePixelPackedSampleModel extends SampleModel * sample value for each band. */ public SinglePixelPackedSampleModel(int dataType, int w, int h, - int[] bitMasks) + int[] bitMasks) { this(dataType, w, h, w, bitMasks); } /** * Creates a new <code>SinglePixelPackedSampleModel</code>. - * + * * @param dataType the data buffer type. * @param w the width (in pixels). * @param h the height (in pixels). @@ -82,7 +82,7 @@ public class SinglePixelPackedSampleModel extends SampleModel * sample value for each band. */ public SinglePixelPackedSampleModel(int dataType, int w, int h, - int scanlineStride, int[] bitMasks) + int scanlineStride, int[] bitMasks) { super(dataType, w, h, bitMasks.length); @@ -91,18 +91,18 @@ public class SinglePixelPackedSampleModel extends SampleModel case DataBuffer.TYPE_BYTE: case DataBuffer.TYPE_USHORT: case DataBuffer.TYPE_INT: - break; + break; default: throw new IllegalArgumentException( "SinglePixelPackedSampleModel unsupported dataType"); } - + this.scanlineStride = scanlineStride; this.bitMasks = bitMasks; - + bitOffsets = new int[numBands]; sampleSize = new int[numBands]; - + BitMaskExtent extent = new BitMaskExtent(); for (int b = 0; b < numBands; b++) { @@ -116,7 +116,7 @@ public class SinglePixelPackedSampleModel extends SampleModel /** * Returns the number of data elements. - * + * * @return <code>1</code>. */ public int getNumDataElements() @@ -127,10 +127,10 @@ public class SinglePixelPackedSampleModel extends SampleModel /** * Creates a new <code>SampleModel</code> that is compatible with this * model and has the specified width and height. - * + * * @param w the width (in pixels). * @param h the height (in pixels). - * + * * @return The new sample model. */ public SampleModel createCompatibleSampleModel(int w, int h) @@ -146,7 +146,7 @@ public class SinglePixelPackedSampleModel extends SampleModel * Creates a DataBuffer for holding pixel data in the format and * layout described by this SampleModel. The returned buffer will * consist of one single bank. - * + * * @return The data buffer. */ public DataBuffer createDataBuffer() @@ -175,22 +175,22 @@ public class SinglePixelPackedSampleModel extends SampleModel /** * Returns an array containing the size (in bits) for each band accessed by * the <code>SampleModel</code>. - * + * * @return An array. - * + * * @see #getSampleSize(int) */ public int[] getSampleSize() { return (int[]) sampleSize.clone(); } - + /** * Returns the size (in bits) of the samples for the specified band. - * - * @param band the band (in the range <code>0</code> to + * + * @param band the band (in the range <code>0</code> to * <code>getNumBands() - 1</code>). - * + * * @return The sample size (in bits). */ public int getSampleSize(int band) @@ -200,10 +200,10 @@ public class SinglePixelPackedSampleModel extends SampleModel /** * Returns the index in the data buffer that stores the pixel at (x, y). - * + * * @param x the x-coordinate. * @param y the y-coordinate. - * + * * @return The index in the data buffer that stores the pixel at (x, y). */ public int getOffset(int x, int y) @@ -224,7 +224,7 @@ public class SinglePixelPackedSampleModel extends SampleModel /** * Returns the number of data elements from a pixel in one row to the * corresponding pixel in the next row. - * + * * @return The scanline stride. */ public int getScanlineStride() @@ -235,12 +235,12 @@ public class SinglePixelPackedSampleModel extends SampleModel /** * Creates a new <code>SinglePixelPackedSampleModel</code> that accesses * the specified subset of bands. - * + * * @param bands an array containing band indices (<code>null</code> not * permitted). - * + * * @return A new sample model. - * + * * @throws NullPointerException if <code>bands</code> is <code>null</code>. * @throws RasterFormatException if <code>bands.length</code> is greater * than the number of bands in this model. @@ -249,20 +249,20 @@ public class SinglePixelPackedSampleModel extends SampleModel { if (bands.length > numBands) throw new RasterFormatException("Too many bands."); - + int numBands = bands.length; - + int[] bitMasks = new int[numBands]; for (int b = 0; b < numBands; b++) bitMasks[b] = this.bitMasks[bands[b]]; return new SinglePixelPackedSampleModel(dataType, width, height, - scanlineStride, bitMasks); + scanlineStride, bitMasks); } public Object getDataElements(int x, int y, Object obj, - DataBuffer data) + DataBuffer data) { int type = getTransferType(); Object ret = null; @@ -298,21 +298,21 @@ public class SinglePixelPackedSampleModel extends SampleModel } return ret; } - + /** * Returns an array containing the samples for the pixel at (x, y) in the * specified data buffer. If <code>iArray</code> is not <code>null</code>, * it will be populated with the sample values and returned as the result of * this function (this avoids allocating a new array instance). - * + * * @param x the x-coordinate of the pixel. * @param y the y-coordinate of the pixel. - * @param iArray an array to populate with the sample values and return as + * @param iArray an array to populate with the sample values and return as * the result (if <code>null</code>, a new array will be allocated). * @param data the data buffer (<code>null</code> not permitted). - * + * * @return The pixel sample values. - * + * * @throws NullPointerException if <code>data</code> is <code>null</code>. */ public int[] getPixel(int x, int y, int[] iArray, DataBuffer data) @@ -323,63 +323,63 @@ public class SinglePixelPackedSampleModel extends SampleModel for (int b = 0; b < numBands; b++) iArray[b] = (samples & bitMasks[b]) >>> bitOffsets[b]; - + return iArray; } /** - * Returns an array containing the samples for the pixels in the region + * Returns an array containing the samples for the pixels in the region * specified by (x, y, w, h) in the specified data buffer. The array is - * ordered by pixels (that is, all the samples for the first pixel are + * ordered by pixels (that is, all the samples for the first pixel are * grouped together, followed by all the samples for the second pixel, and so - * on). If <code>iArray</code> is not <code>null</code>, it will be - * populated with the sample values and returned as the result of this + * on). If <code>iArray</code> is not <code>null</code>, it will be + * populated with the sample values and returned as the result of this * function (this avoids allocating a new array instance). - * + * * @param x the x-coordinate of the top-left pixel. * @param y the y-coordinate of the top-left pixel. * @param w the width of the region of pixels. * @param h the height of the region of pixels. - * @param iArray an array to populate with the sample values and return as + * @param iArray an array to populate with the sample values and return as * the result (if <code>null</code>, a new array will be allocated). * @param data the data buffer (<code>null</code> not permitted). - * + * * @return The pixel sample values. - * + * * @throws NullPointerException if <code>data</code> is <code>null</code>. */ public int[] getPixels(int x, int y, int w, int h, int[] iArray, - DataBuffer data) + DataBuffer data) { int offset = scanlineStride*y + x; if (iArray == null) iArray = new int[numBands*w*h]; int outOffset = 0; for (y = 0; y < h; y++) { - int lineOffset = offset; - for (x = 0; x < w; x++) - { - int samples = data.getElem(lineOffset++); - for (int b = 0; b < numBands; b++) - iArray[outOffset++] = (samples & bitMasks[b]) >>> bitOffsets[b]; - } - offset += scanlineStride; + int lineOffset = offset; + for (x = 0; x < w; x++) + { + int samples = data.getElem(lineOffset++); + for (int b = 0; b < numBands; b++) + iArray[outOffset++] = (samples & bitMasks[b]) >>> bitOffsets[b]; + } + offset += scanlineStride; } - return iArray; + return iArray; } /** - * Returns the sample value for the pixel at (x, y) in the specified data + * Returns the sample value for the pixel at (x, y) in the specified data * buffer. - * + * * @param x the x-coordinate of the pixel. * @param y the y-coordinate of the pixel. - * @param b the band (in the range <code>0</code> to + * @param b the band (in the range <code>0</code> to * <code>getNumBands() - 1</code>). * @param data the data buffer (<code>null</code> not permitted). - * + * * @return The sample value. - * + * * @throws NullPointerException if <code>data</code> is <code>null</code>. */ public int getSample(int x, int y, int b, DataBuffer data) @@ -388,7 +388,7 @@ public class SinglePixelPackedSampleModel extends SampleModel int samples = data.getElem(offset); return (samples & bitMasks[b]) >>> bitOffsets[b]; } - + public void setDataElements(int x, int y, Object obj, DataBuffer data) { int transferType = getTransferType(); @@ -417,20 +417,20 @@ public class SinglePixelPackedSampleModel extends SampleModel /** * Sets the samples for the pixel at (x, y) in the specified data buffer to - * the specified values. - * + * the specified values. + * * @param x the x-coordinate of the pixel. * @param y the y-coordinate of the pixel. * @param iArray the sample values (<code>null</code> not permitted). * @param data the data buffer (<code>null</code> not permitted). - * - * @throws NullPointerException if either <code>iArray</code> or + * + * @throws NullPointerException if either <code>iArray</code> or * <code>data</code> is <code>null</code>. */ public void setPixel(int x, int y, int[] iArray, DataBuffer data) { int offset = scanlineStride*y + x; - + int samples = 0; for (int b = 0; b < numBands; b++) samples |= (iArray[b] << bitOffsets[b]) & bitMasks[b]; @@ -448,18 +448,18 @@ public class SinglePixelPackedSampleModel extends SampleModel * @param h The height of the pixel rectangle in <code>obj</code>. * @param iArray The primitive array containing the pixels to set. * @param data The DataBuffer to store the pixels into. - * @see java.awt.image.SampleModel#setPixels(int, int, int, int, int[], + * @see java.awt.image.SampleModel#setPixels(int, int, int, int, int[], * java.awt.image.DataBuffer) */ public void setPixels(int x, int y, int w, int h, int[] iArray, - DataBuffer data) + DataBuffer data) { int inOffset = 0; for (int yy=y; yy<(y+h); yy++) { int offset = scanlineStride*yy + x; for (int xx=x; xx<(x+w); xx++) - { + { int samples = 0; for (int b = 0; b < numBands; b++) samples |= (iArray[inOffset+b] << bitOffsets[b]) & bitMasks[b]; @@ -469,18 +469,18 @@ public class SinglePixelPackedSampleModel extends SampleModel } } } - + /** - * Sets the sample value for a band for the pixel at (x, y) in the - * specified data buffer. - * + * Sets the sample value for a band for the pixel at (x, y) in the + * specified data buffer. + * * @param x the x-coordinate of the pixel. * @param y the y-coordinate of the pixel. - * @param b the band (in the range <code>0</code> to + * @param b the band (in the range <code>0</code> to * <code>getNumBands() - 1</code>). * @param s the sample value. * @param data the data buffer (<code>null</code> not permitted). - * + * * @throws NullPointerException if <code>data</code> is <code>null</code>. */ public void setSample(int x, int y, int b, int s, DataBuffer data) @@ -492,13 +492,13 @@ public class SinglePixelPackedSampleModel extends SampleModel samples |= (s << bitOffsets[b]) & bitMask; data.setElem(offset, samples); } - + /** - * Tests this sample model for equality with an arbitrary object. This + * Tests this sample model for equality with an arbitrary object. This * method returns <code>true</code> if and only if: * <ul> * <li><code>obj</code> is not <code>null</code>; - * <li><code>obj</code> is an instance of + * <li><code>obj</code> is an instance of * <code>SinglePixelPackedSampleModel</code>; * <li>both models have the same: * <ul> @@ -512,17 +512,17 @@ public class SinglePixelPackedSampleModel extends SampleModel * </ul> * </li> * </ul> - * + * * @param obj the object (<code>null</code> permitted) - * + * * @return <code>true</code> if this model is equal to <code>obj</code>, and * <code>false</code> otherwise. */ - public boolean equals(Object obj) + public boolean equals(Object obj) { - if (this == obj) + if (this == obj) return true; - if (! (obj instanceof SinglePixelPackedSampleModel)) + if (! (obj instanceof SinglePixelPackedSampleModel)) return false; SinglePixelPackedSampleModel that = (SinglePixelPackedSampleModel) obj; if (this.dataType != that.dataType) @@ -537,14 +537,14 @@ public class SinglePixelPackedSampleModel extends SampleModel return false; if (!Arrays.equals(this.bitMasks, that.bitMasks)) return false; - if (!Arrays.equals(this.bitOffsets, that.bitOffsets)) + if (!Arrays.equals(this.bitOffsets, that.bitOffsets)) return false; return true; } - + /** * Returns a hash code for this <code>SinglePixelPackedSampleModel</code>. - * + * * @return A hash code. */ public int hashCode() @@ -562,7 +562,7 @@ public class SinglePixelPackedSampleModel extends SampleModel result = 37 * result + bitOffsets[i]; return result; } - + /** * Creates a String with some information about this SampleModel. * @return A String describing this SampleModel. @@ -579,7 +579,7 @@ public class SinglePixelPackedSampleModel extends SampleModel result.append(", mask[").append(i).append("]=0x").append( Integer.toHexString(bitMasks[i])); } - + result.append("]"); return result.toString(); } |