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package javax.imageio; |
package javax.imageio; |
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import java.awt.Dimension; |
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import java.awt.image.BufferedImage; |
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/** |
/** |
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* @author Michel Koch (konqueror@gmx.de) |
* @author Michel Koch (konqueror@gmx.de) |
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*/ |
*/ |
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public class ImageReadParam extends IIOParam |
public class ImageReadParam extends IIOParam |
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{ |
{ |
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protected boolean canSetSourceRenderSize; |
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protected BufferedImage destination; |
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protected int[] destinationBands; |
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protected int minProgressivePass; |
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protected int numProgressivePasses = Integer.MAX_VALUE; |
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protected Dimension sourceRenderSize; |
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public ImageReadParam() |
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{ |
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} |
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public boolean canSetSourceRenderSize() |
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{ |
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return canSetSourceRenderSize; |
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} |
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public BufferedImage getDestination() |
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{ |
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return destination; |
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} |
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public int[] getDestinationBands() |
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{ |
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return destinationBands; |
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} |
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public int getSourceMaxProgressivePass() |
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{ |
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if (getSourceNumProgressivePasses() == Integer.MAX_VALUE) |
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return Integer.MAX_VALUE; |
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return getSourceMinProgressivePass() + getSourceNumProgressivePasses() - 1; |
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} |
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public int getSourceMinProgressivePass() |
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{ |
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return minProgressivePass; |
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} |
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public int getSourceNumProgressivePasses() |
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{ |
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return numProgressivePasses; |
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} |
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public Dimension getSourceRenderSize() |
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{ |
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return sourceRenderSize; |
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} |
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public void setSourceRenderSize(Dimension size) |
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throws UnsupportedOperationException |
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{ |
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if (! canSetSourceRenderSize()) |
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throw new UnsupportedOperationException |
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("setting source render size not supported"); |
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if (size.width <= 0 || size.height <= 0) |
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throw new IllegalArgumentException("negative dimension not allowed"); |
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sourceRenderSize = size; |
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} |
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} |
} |