Revision 11082 trunk/libraries/libRaster/src/org/gvsig/raster/buffer/cache/PageBuffer.java
| PageBuffer.java | ||
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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* |
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*/ |
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public class PageBuffer implements IBuffer{
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public class PageBuffer implements IBuffer {
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private PageBandBuffer[] pageBandBuffer = null; |
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private int percent = 0; |
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private PageBandBuffer[] pageBandBuffer = null; |
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private int percent = 0; |
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private boolean canceled = false; |
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/** |
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* Constructor |
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return null; |
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Histogram hist = new Histogram(getBandCount(), 256); |
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for (int iBand = 0; iBand < getBandCount(); iBand++) |
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for (int col = 0; col < getHeight(); col++) |
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for (int col = 0; col < getHeight(); col++) {
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for (int row = 0; row < getWidth(); row++) |
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hist.incrementPxValue(iBand, getElemByte(row, col, iBand)); |
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if (isCanceled()) return null; |
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percent = ((iBand * getHeight() + col) * 100) / (getBandCount() * getHeight()); |
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} |
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percent = 100; |
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return hist; |
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} |
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* @see org.gvsig.raster.driver.datasetproperties.IHistogramable#getHistogramUsingClasses(org.gvsig.raster.shared.DataClassList) |
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*/ |
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public Histogram getHistogramUsingClasses(DataClassList classes) throws HistogramException {
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percent = 0; |
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Histogram hist = new Histogram(getBandCount(), classes.length()); |
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for (int iBand = 0; iBand < getBandCount(); iBand++) {
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for (int col = 0; col < getHeight(); col++) {
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for (int row = 0; row < getWidth(); row++) {
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int pixelValue = -1; |
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switch(this.getDataType()){
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case IBuffer.TYPE_BYTE: pixelValue = classes.getClassPosition((double)getElemByte(row, col, iBand)); break; |
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case IBuffer.TYPE_SHORT: pixelValue = classes.getClassPosition((double)getElemShort(row, col, iBand)); break; |
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case IBuffer.TYPE_INT: pixelValue = classes.getClassPosition((double)getElemInt(row, col, iBand)); break; |
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case IBuffer.TYPE_FLOAT: pixelValue = classes.getClassPosition((double)getElemFloat(row, col, iBand)); break; |
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case IBuffer.TYPE_DOUBLE: pixelValue = classes.getClassPosition((double)getElemDouble(row, col, iBand)); break; |
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switch (this.getDataType()) {
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case IBuffer.TYPE_BYTE: |
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pixelValue = classes.getClassPosition((double)getElemByte(row, col, iBand)); |
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break; |
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case IBuffer.TYPE_SHORT: |
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pixelValue = classes.getClassPosition((double)getElemShort(row, col, iBand)); |
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break; |
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case IBuffer.TYPE_INT: |
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pixelValue = classes.getClassPosition((double)getElemInt(row, col, iBand)); |
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break; |
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case IBuffer.TYPE_FLOAT: |
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pixelValue = classes.getClassPosition((double)getElemFloat(row, col, iBand)); |
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break; |
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case IBuffer.TYPE_DOUBLE: |
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pixelValue = classes.getClassPosition((double)getElemDouble(row, col, iBand)); |
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break; |
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} |
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if(pixelValue >= 0) |
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hist.incrementPxValue(iBand, pixelValue); |
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} |
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if (pixelValue >= 0) hist.incrementPxValue(iBand, pixelValue); |
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} |
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if (isCanceled()) return null; |
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percent = ((iBand * getHeight() + col) * 100) / (getBandCount() * getHeight()); |
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} |
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} |
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percent = 100; |
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return hist; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.driver.datasetproperties.IHistogramable#getPercent()
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* @see org.gvsig.raster.util.IHistogramable#resetPercent()
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*/ |
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public void resetPercent() {
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percent = 0; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.util.IHistogramable#getPercent() |
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*/ |
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public int getPercent() {
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return percent; |
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} |
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public void resetPercent() {
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.util.ICancellable#isCanceled() |
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*/ |
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public boolean isCanceled() {
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return false;
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return canceled;
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.util.ICancellable#setCanceled(boolean) |
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*/ |
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public void setCanceled(boolean value) {
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canceled = value; |
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} |
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} |
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