38 lines
1.0 KiB
Java
38 lines
1.0 KiB
Java
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package ar.com.hjg.pngj;
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import java.io.File;
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import java.io.InputStream;
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/**
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* Trivial extension of {@link PngReader} that uses {@link ImageLineInt}.
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* <p>
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* In the current implementation this is quite dummy/redundant, because (for backward compatibility) PngReader already
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* uses a {@link ImageLineInt}.
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* <p>
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* The factory is set at construction time. Remember that this could still be changed at runtime.
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*/
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public class PngReaderInt extends PngReader {
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public PngReaderInt(File file) {
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super(file); // not necessary to set factory, PngReader already does that
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}
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public PngReaderInt(InputStream inputStream) {
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super(inputStream);
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}
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/**
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* Utility method that casts the IImageLine to a ImageLineInt
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*
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* This only make sense for this concrete class
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*
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*/
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public ImageLineInt readRowInt() {
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IImageLine line = readRow();
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if (line instanceof ImageLineInt)
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return (ImageLineInt) line;
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else
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throw new PngjException("This is not a ImageLineInt : " + line.getClass());
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}
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}
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