[multiple changes]
2004-04-20 Ingo Proetel <proetel@aicas.com> * java/awt/FontMetrics.java: (charsWidth): fixed accumulation of total_width (getWidth): simple default implementation * java/awt/Polygon.java (getBoundingBox): Use correct y-coordinate in Rectangle constructor. * java/awt/image/Raster.java (toString): Added method. * java/awt/image/SampleModel.java (<init>): Added error cause information to thrown exception. * java/awt/image/SinglePixelPackedSampleModel.java (getDataElements): New method. (setDataElements): New method. (setPixels): New method. (toString): New method. 2004-04-20 Sascha Brawer <brawer@dandelis.ch> * java/awt/image/ComponentColorModel.java (createCompatibleSampleModel): Return PixelInterleavedSampleModel for TYPE_BYTE and TYPE_USHORT transferTypes, in order to pass the Mauve tests on this method. Improved documentation. From-SVN: r80894
This commit is contained in:
parent
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23f0ecff4a
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@ -1,3 +1,26 @@
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2004-04-20 Ingo Proetel <proetel@aicas.com>
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* java/awt/FontMetrics.java:
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(charsWidth): fixed accumulation of total_width
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(getWidth): simple default implementation
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* java/awt/Polygon.java (getBoundingBox): Use correct y-coordinate
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in Rectangle constructor.
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* java/awt/image/Raster.java (toString): Added method.
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* java/awt/image/SampleModel.java (<init>): Added error cause
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information to thrown exception.
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* java/awt/image/SinglePixelPackedSampleModel.java (getDataElements):
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New method.
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(setDataElements): New method.
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(setPixels): New method.
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(toString): New method.
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2004-04-20 Sascha Brawer <brawer@dandelis.ch>
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* java/awt/image/ComponentColorModel.java
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(createCompatibleSampleModel): Return PixelInterleavedSampleModel
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for TYPE_BYTE and TYPE_USHORT transferTypes, in order to pass the
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Mauve tests on this method. Improved documentation.
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2004-04-20 Michael Koch <konqueror@gmx.de>
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* javax/swing/JLayeredPane.java,
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@ -292,8 +292,7 @@ charsWidth(char buf[], int offset, int len)
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{
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int total_width = 0;
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for (int i = offset; i < len; i++)
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total_width = charWidth(buf[i]);
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total_width += charWidth(buf[i]);
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return(total_width);
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}
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@ -328,7 +327,12 @@ bytesWidth(byte buf[], int offset, int len)
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public int[]
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getWidths()
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{
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return(new int[256]);
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int [] result = new int[256];
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for(char i = 0; i < 256; i++)
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{
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result[i]= charWidth(i);
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}
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return(result);
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}
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/*************************************************************************/
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@ -347,3 +351,4 @@ toString()
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} // class FontMetrics
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@ -294,7 +294,7 @@ public class Polygon implements Shape, Serializable
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else if (y > maxy)
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maxy = y;
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}
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bounds = new Rectangle (minx, maxy, maxx - minx, maxy - miny);
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bounds = new Rectangle (minx, miny, maxx - minx, maxy - miny);
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}
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return bounds;
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}
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@ -1,4 +1,4 @@
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/* Copyright (C) 2000, 2002 Free Software Foundation
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/* Copyright (C) 2000, 2002, 2004 Free Software Foundation
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This file is part of GNU Classpath.
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@ -292,19 +292,56 @@ public class ComponentColorModel extends ColorModel
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return Raster.createWritableRaster(sm, origin);
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}
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/**
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* Creates a <code>SampleModel</code> whose arrangement of pixel
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* data is compatible to this <code>ColorModel</code>.
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*
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* @param w the number of pixels in the horizontal direction.
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* @param h the number of pixels in the vertical direction.
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*/
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public SampleModel createCompatibleSampleModel(int w, int h)
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{
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int pixelStride = getNumComponents();
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/* TODO: Maybe we don't need to create a new offset array each
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time, but rather use the same array every time. */
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int[] bandOffsets = new int[pixelStride];
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for (int i=0; i<pixelStride; i++) bandOffsets[i] = i;
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return new ComponentSampleModel(transferType, w, h,
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pixelStride, pixelStride*w,
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bandOffsets);
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int pixelStride, scanlineStride;
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int[] bandOffsets;
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pixelStride = getNumComponents();
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scanlineStride = pixelStride * w;
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/* We might be able to re-use the same bandOffsets array among
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* multiple calls to this method. However, this optimization does
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* not seem worthwile because setting up descriptive data
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* structures (such as SampleModels) is neglectible in comparision
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* to shuffling around masses of pixel data.
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*/
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bandOffsets = new int[pixelStride];
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for (int i = 0; i < pixelStride; i++)
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bandOffsets[i] = i;
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/* FIXME: Think about whether it would make sense to return the
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* possibly more efficient PixelInterleavedSampleModel for other
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* transferTypes as well. It seems unlikely that this would break
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* any user applications, so the Mauve tests on this method
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* might be too restrictive.
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*/
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switch (transferType)
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{
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case DataBuffer.TYPE_BYTE:
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case DataBuffer.TYPE_USHORT:
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return new PixelInterleavedSampleModel(transferType, w, h,
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pixelStride,
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scanlineStride,
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bandOffsets);
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default:
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return new ComponentSampleModel(transferType, w, h,
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pixelStride,
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scanlineStride,
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bandOffsets);
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}
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}
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public boolean isCompatibleSampleModel(SampleModel sm)
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{
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return
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@ -452,4 +452,25 @@ public class Raster
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y-sampleModelTranslateY,
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w, h, b, dArray, dataBuffer);
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}
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/**
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* Create a String representing the stat of this Raster.
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* @return A String representing the stat of this Raster.
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* @see java.lang.Object#toString()
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*/
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public String toString()
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{
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StringBuffer result = new StringBuffer();
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result.append(getClass().getName());
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result.append("[(");
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result.append(minX).append(",").append(minY).append("), ");
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result.append(width).append(" x ").append(height).append(",");
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result.append(sampleModel).append(",");
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result.append(dataBuffer);
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result.append("]");
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return result.toString();
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}
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}
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@ -58,7 +58,9 @@ public abstract class SampleModel
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public SampleModel(int dataType, int w, int h, int numBands)
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{
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if ((w<=0) || (h<=0)) throw new IllegalArgumentException();
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if ((w <= 0) || (h <= 0))
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throw new IllegalArgumentException((w <= 0 ? " width<=0" : " width is ok")
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+(h <= 0 ? " height<=0" : " height is ok"));
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// FIXME: How can an int be greater than Integer.MAX_VALUE?
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// FIXME: How do we identify an unsupported data type?
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this.height = h;
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this.numBands = numBands;
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}
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public final int getWidth()
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{
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return width;
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@ -1,4 +1,4 @@
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/* Copyright (C) 2000, 2002, 2003 Free Software Foundation
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/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
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This file is part of GNU Classpath.
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@ -162,6 +162,63 @@ public class SinglePixelPackedSampleModel extends SampleModel
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1 // length
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);
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}
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/**
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* This is a more efficient implementation of the default implementation in the super
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* class.
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* @param x The x-coordinate of the pixel rectangle to store in <code>obj</code>.
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* @param y The y-coordinate of the pixel rectangle to store in <code>obj</code>.
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* @param w The width of the pixel rectangle to store in <code>obj</code>.
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* @param h The height of the pixel rectangle to store in <code>obj</code>.
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* @param obj The primitive array to store the pixels into or null to force creation.
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* @param data The DataBuffer that is the source of the pixel data.
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* @return The primitive array containing the pixel data.
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* @see java.awt.image.SampleModel#getDataElements(int, int, int, int, java.lang.Object, java.awt.image.DataBuffer)
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*/
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public Object getDataElements(int x, int y, int w, int h, Object obj,
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DataBuffer data)
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{
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int size = w*h;
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int dataSize = size;
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Object pixelData = null;
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switch (getTransferType())
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{
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case DataBuffer.TYPE_BYTE:
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pixelData = ((DataBufferByte) data).getData();
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if (obj == null) obj = new byte[dataSize];
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break;
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case DataBuffer.TYPE_USHORT:
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pixelData = ((DataBufferUShort) data).getData();
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if (obj == null) obj = new short[dataSize];
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break;
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case DataBuffer.TYPE_INT:
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pixelData = ((DataBufferInt) data).getData();
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if (obj == null) obj = new int[dataSize];
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break;
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default:
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// Seems like the only sensible thing to do.
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throw new ClassCastException();
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}
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if(x==0 && scanlineStride == w)
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{
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// The full width need to be copied therefore we can copy in one shot.
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System.arraycopy(pixelData, scanlineStride*y + data.getOffset(), obj, 0, size);
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}
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else
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{
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// Since we do not need the full width we need to copy line by line.
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int outOffset = 0;
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int dataOffset = scanlineStride*y + x + data.getOffset();
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for (int yy = y; yy<(y+h); yy++)
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{
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System.arraycopy(pixelData, dataOffset, obj, outOffset, w);
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dataOffset += scanlineStride;
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outOffset += w;
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}
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}
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return obj;
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}
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public int[] getPixel(int x, int y, int[] iArray, DataBuffer data)
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{
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int samples = data.getElem(offset);
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return (samples & bitMasks[b]) >>> bitOffsets[b];
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}
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/**
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* This method implements a more efficient way to set data elements than the default
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* implementation of the super class. It sets the data elements line by line instead
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* of pixel by pixel.
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* @param x The x-coordinate of the data elements in <code>obj</code>.
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* @param y The y-coordinate of the data elements in <code>obj</code>.
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* @param w The width of the data elements in <code>obj</code>.
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* @param h The height of the data elements in <code>obj</code>.
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* @param obj The primitive array containing the data elements to set.
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* @param data The DataBuffer to store the data elements into.
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* @see java.awt.image.SampleModel#setDataElements(int, int, int, int, java.lang.Object, java.awt.image.DataBuffer)
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*/
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public void setDataElements(int x, int y, int w, int h,
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Object obj, DataBuffer data)
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{
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Object pixelData;
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switch (getTransferType())
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{
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case DataBuffer.TYPE_BYTE:
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pixelData = ((DataBufferByte) data).getData();
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break;
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case DataBuffer.TYPE_USHORT:
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pixelData = ((DataBufferUShort) data).getData();
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break;
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case DataBuffer.TYPE_INT:
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pixelData = ((DataBufferInt) data).getData();
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break;
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default:
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// Seems like the only sensible thing to do.
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throw new ClassCastException();
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}
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int inOffset = 0;
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int dataOffset = scanlineStride*y + x + data.getOffset();
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for (int yy=y; yy<(y+h); yy++)
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{
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System.arraycopy(obj,inOffset,pixelData,dataOffset,w);
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dataOffset += scanlineStride;
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inOffset += w;
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}
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}
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public void setDataElements(int x, int y, Object obj, DataBuffer data)
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{
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int offset = scanlineStride*y + x + data.getOffset();
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data.setElem(offset, samples);
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}
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/**
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* This method implements a more efficient way to set pixels than the default
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* implementation of the super class. It copies the pixel components directly
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* from the input array instead of creating a intermediate buffer.
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* @param x The x-coordinate of the pixel rectangle in <code>obj</code>.
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* @param y The y-coordinate of the pixel rectangle in <code>obj</code>.
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* @param w The width of the pixel rectangle in <code>obj</code>.
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* @param h The height of the pixel rectangle in <code>obj</code>.
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* @param obj The primitive array containing the pixels to set.
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* @param data The DataBuffer to store the pixels into.
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* @see java.awt.image.SampleModel#setPixels(int, int, int, int, int[], java.awt.image.DataBuffer)
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*/
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public void setPixels(int x, int y, int w, int h, int[] iArray,
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DataBuffer data)
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{
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int inOffset = 0;
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int[] pixel = new int[numBands];
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for (int yy=y; yy<(y+h); yy++)
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{
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int offset = scanlineStride*yy + x;
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for (int xx=x; xx<(x+w); xx++)
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{
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int samples = 0;
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for (int b=0; b<numBands; b++)
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samples |= (iArray[inOffset+b] << bitOffsets[b]) & bitMasks[b];
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data.setElem(0, offset, samples);
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inOffset += numBands;
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offset += 1;
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}
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}
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}
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public void setSample(int x, int y, int b, int s, DataBuffer data)
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{
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int offset = scanlineStride*y + x;
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samples |= (s << bitOffsets[b]) & bitMask;
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data.setElem(offset, samples);
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}
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/**
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* Creates a String with some information about this SampleModel.
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* @return A String describing this SampleModel.
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* @see java.lang.Object#toString()
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*/
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public String toString()
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{
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StringBuffer result = new StringBuffer();
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result.append(getClass().getName());
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result.append("[");
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result.append("scanlineStride=").append(scanlineStride);
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for(int i=0; i < bitMasks.length; i+=1)
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{
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result.append(", mask[").append(i).append("]=0x").append(Integer.toHexString(bitMasks[i]));
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}
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result.append("]");
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return result.toString();
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}
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}
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