samplemodel.java

JAVA基本类源代码,大家可以学习学习!

     *
     * @throws NullPointerException if iArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates are
     * not in bounds, or if iArray is too small to hold the input.
     */
    public void setPixel(int x, int y, int iArray[], DataBuffer data) {

	for (int i=0; i<numBands; i++)
	    setSample(x, y, i, iArray[i], data);
    }

    /**
     * Sets a pixel in the DataBuffer using a float array of samples for input.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the pixel location.
     * @param y 	The Y coordinate of the pixel location.
     * @param fArray 	The input samples in a float array.
     * @param data 	The DataBuffer containing the image data.
     * @see #getPixel(int, int, float[], DataBuffer)
     *
     * @throws NullPointerException if fArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates are
     * not in bounds, or if fArray is too small to hold the input.
     */
    public void setPixel(int x, int y, float fArray[], DataBuffer data) {

	for (int i=0; i<numBands; i++)
	    setSample(x, y, i, fArray[i], data);
    }

    /**
     * Sets a pixel in the DataBuffer using a double array of samples 
     * for input.
     * @param x 	The X coordinate of the pixel location.
     * @param y 	The Y coordinate of the pixel location.
     * @param dArray 	The input samples in a double array.
     * @param data 	The DataBuffer containing the image data.
     * @see #getPixel(int, int, double[], DataBuffer)
     *
     * @throws NullPointerException if dArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates are
     * not in bounds, or if fArray is too small to hold the input.
     */
    public void setPixel(int x, int y, double dArray[], DataBuffer data) {

	for (int i=0; i<numBands; i++)
	    setSample(x, y, i, dArray[i], data);
    }

    /**
     * Sets all samples for a rectangle of pixels from an int array containing
     * one sample per array element.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the upper left pixel location.
     * @param y 	The Y coordinate of the upper left pixel location.
     * @param w 	The width of the pixel rectangle.
     * @param h 	The height of the pixel rectangle.
     * @param iArray 	The input samples in an int array.
     * @param data 	The DataBuffer containing the image data.
     * @see #getPixels(int, int, int, int, int[], DataBuffer)
     *
     * @throws NullPointerException if iArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates are
     * not in bounds, or if iArray is too small to hold the input.
     */
    public void setPixels(int x, int y, int w, int h,
                          int iArray[], DataBuffer data) {
	int Offset=0;

	for (int i=y; i<(y+h); i++) {
	    for (int j=x; j<(x+w); j++) {
		for (int k=0; k<numBands; k++) {
		    setSample(j, i, k, iArray[Offset++], data);
		}
	    }
	}
    }

    /**
     * Sets all samples for a rectangle of pixels from a float array containing
     * one sample per array element.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the upper left pixel location.
     * @param y 	The Y coordinate of the upper left pixel location.
     * @param w 	The width of the pixel rectangle.
     * @param h 	The height of the pixel rectangle.
     * @param fArray 	The input samples in a float array.
     * @param data 	The DataBuffer containing the image data.
     * @see #getPixels(int, int, int, int, float[], DataBuffer)
     *
     * @throws NullPointerException if fArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates are
     * not in bounds, or if fArray is too small to hold the input.
     */
    public void setPixels(int x, int y, int w, int h,
                          float fArray[], DataBuffer data) {
	int Offset=0;

	for (int i=y; i<(y+h); i++) {
	    for (int j=x; j<(x+w); j++) {
		for(int k=0; k<numBands; k++) {
		    setSample(j, i, k, fArray[Offset++], data);
		}
	    }
	}
    }

    /**
     * Sets all samples for a rectangle of pixels from a double array 
     * containing one sample per array element.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the upper left pixel location.
     * @param y 	The Y coordinate of the upper left pixel location.
     * @param w 	The width of the pixel rectangle.
     * @param h 	The height of the pixel rectangle.
     * @param dArray 	The input samples in a double array.
     * @param data 	The DataBuffer containing the image data.
     * @see #getPixels(int, int, int, int, double[], DataBuffer)
     *
     * @throws NullPointerException if dArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates are
     * not in bounds, or if dArray is too small to hold the input.
     */
    public void setPixels(int x, int y, int w, int h,
                          double dArray[], DataBuffer data) {
	int Offset=0;

	for (int i=y; i<(y+h); i++) {
	    for (int j=x; j<(x+w); j++) {
		for (int k=0; k<numBands; k++) {
		    setSample(j, i, k, dArray[Offset++], data);
		}
	    }
	}
    }

    /**
     * Sets a sample in the specified band for the pixel located at (x,y)
     * in the DataBuffer using an int for input.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the pixel location.
     * @param y 	The Y coordinate of the pixel location.
     * @param b 	The band to set.
     * @param s 	The input sample as an int.
     * @param data 	The DataBuffer containing the image data.
     * @see #getSample(int, int, int,  DataBuffer)
     *
     * @throws NullPointerException if data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates or
     * the band index are not in bounds.
     */
    public abstract void setSample(int x, int y, int b,
                                   int s,
                                   DataBuffer data);

    /**
     * Sets a sample in the specified band for the pixel located at (x,y)
     * in the DataBuffer using a float for input.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the pixel location.
     * @param y 	The Y coordinate of the pixel location.
     * @param b 	The band to set.
     * @param s 	The input sample as a float.
     * @param data 	The DataBuffer containing the image data.
     * @see #getSample(int, int, int, DataBuffer)
     *
     * @throws NullPointerException if data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates or
     * the band index are not in bounds.
     */
    public void setSample(int x, int y, int b,
			  float s ,
			  DataBuffer data) {
	int sample = (int)s;

	setSample(x, y, b, sample, data);
    }

    /**
     * Sets a sample in the specified band for the pixel located at (x,y)
     * in the DataBuffer using a double for input.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the pixel location.
     * @param y 	The Y coordinate of the pixel location.
     * @param b 	The band to set.
     * @param s 	The input sample as a double.
     * @param data 	The DataBuffer containing the image data.
     * @see #getSample(int, int, int, DataBuffer)
     *
     * @throws NullPointerException if data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates or
     * the band index are not in bounds.
     */
    public void setSample(int x, int y, int b,
			  double s,
			  DataBuffer data) {
	int sample = (int)s;

	setSample(x, y, b, sample, data);
    }

    /**
     * Sets the samples in the specified band for the specified rectangle
     * of pixels from an int array containing one sample per array element.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the upper left pixel location.
     * @param y 	The Y coordinate of the upper left pixel location.
     * @param w 	The width of the pixel rectangle.
     * @param h 	The height of the pixel rectangle.
     * @param b 	The band to set.
     * @param iArray 	The input samples in an int array.
     * @param data      The DataBuffer containing the image data.
     * @see #getSamples(int, int, int, int, int, int[], DataBuffer)
     *
     * @throws NullPointerException if iArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates or
     * the band index are not in bounds, or if iArray is too small to
     * hold the input.
     */
    public void setSamples(int x, int y, int w, int h, int b,
                           int iArray[], DataBuffer data) {

	int Offset=0;

	for (int i=y; i<(y+h); i++) {
	    for (int j=x; j<(x+w); j++) {
		setSample(j, i, b, iArray[Offset++], data);
	    }
	}
    }

    /**
     * Sets the samples in the specified band for the specified rectangle
     * of pixels from a float array containing one sample per array element.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the upper left pixel location.
     * @param y 	The Y coordinate of the upper left pixel location.
     * @param w 	The width of the pixel rectangle.
     * @param h 	The height of the pixel rectangle.
     * @param b 	The band to set.
     * @param fArray 	The input samples in a float array.
     * @param data 	The DataBuffer containing the image data.
     * @see #getSamples(int, int, int, int, int, float[], DataBuffer)
     *
     * @throws NullPointerException if fArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates or
     * the band index are not in bounds, or if fArray is too small to
     * hold the input.
     */
    public void setSamples(int x, int y, int w, int h, int b,
                           float fArray[], DataBuffer data) {
	int Offset=0;

	for (int i=y; i<(y+h); i++) {
	    for (int j=x; j<(x+w); j++) {
		setSample(j, i, b, fArray[Offset++], data);
	    }
	}
    }

    /**
     * Sets the samples in the specified band for the specified rectangle
     * of pixels from a double array containing one sample per array element.
     * ArrayIndexOutOfBoundsException may be thrown if the coordinates are
     * not in bounds.
     * @param x 	The X coordinate of the upper left pixel location.
     * @param y 	The Y coordinate of the upper left pixel location.
     * @param w 	The width of the pixel rectangle.
     * @param h 	The height of the pixel rectangle.
     * @param b 	The band to set.
     * @param dArray 	The input samples in a double array.
     * @param data 	The DataBuffer containing the image data.
     * @see #getSamples(int, int, int, int, int, double[], DataBuffer)
     *
     * @throws NullPointerException if dArray or data is null.
     * @throws ArrayIndexOutOfBoundsException if the coordinates or
     * the band index are not in bounds, or if dArray is too small to
     * hold the input.
     */
    public void setSamples(int x, int y, int w, int h, int b,
                           double dArray[], DataBuffer data) {
	int Offset=0;

	for (int i=y; i<(y+h); i++) {
	    for (int j=x; j<(x+w); j++) {
		setSample(j, i, b, dArray[Offset++], data);
	    }
	}
    }

    /**
     *  Creates a SampleModel which describes data in this SampleModel's
     *  format, but with a different width and height.
     *  @param w the width of the image data
     *  @param h the height of the image data
     *  @return a <code>SampleModel</code> describing the same image
     *          data as this <code>SampleModel</code>, but with a 
     *          different size.
     */
    public abstract SampleModel createCompatibleSampleModel(int w, int h);

    /**
     * Creates a new SampleModel 
     * with a subset of the bands of this
     * SampleModel.
     * @param bands the subset of bands of this <code>SampleModel</code>
     * @return a <code>SampleModel</code> with a subset of bands of this
     *         <code>SampleModel</code>.
     */
    public abstract SampleModel createSubsetSampleModel(int bands[]);

    /**
     * Creates a DataBuffer that corresponds to this SampleModel.
     * The DataBuffer's width and height will match this SampleModel's.
     * @return a <code>DataBuffer</code> corresponding to this
     *         <code>SampleModel</code>.
     */
    public abstract DataBuffer createDataBuffer();

    /** Returns the size in bits of samples for all bands. 
     *  @return the size of samples for all bands.
     */
    public abstract int[] getSampleSize();

    /** Returns the size in bits of samples for the specified band. 
     *  @param band the specified band
     *  @return the size of the samples of the specified band.    
     */
    public abstract int getSampleSize(int band);

}