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Class picture.PpmEncoder

java.lang.Object
   |
   +----picture.ImageEncoder
           |
           +----picture.PpmEncoder

public class PpmEncoder

extends ImageEncoder

Writes an image onto a specified OutputStream in the PPM file format.

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See Also:

ToPpm

PpmEncoder(Image, OutputStream)

Constructor.

PpmEncoder(ImageProducer, OutputStream)

Constructor.

encodeDone()

Subclasses implement this to finish an encoding.

encodePixels(int, int, int, int, int[], int, int)

Subclasses implement this to actually write out some bits.

encodeStart(int, int)

Subclasses implement this to initialize an encoding.

writeString(OutputStream, String)

 public PpmEncoder(Image img,
                   OutputStream out) throws IOException

Constructor.

Parameters:

img - The image to encode.

out - The stream to write the PPM to.

 public PpmEncoder(ImageProducer prod,
                   OutputStream out) throws IOException

Constructor.

Parameters:

prod - The ImageProducer to encode.

out - The stream to write the PPM to.

 void encodeStart(int width,
                  int height) throws IOException

Subclasses implement this to initialize an encoding.

Overrides:

encodeStart in class ImageEncoder

 static void writeString(OutputStream out,
                         String str) throws IOException

 void encodePixels(int x,
                   int y,
                   int w,
                   int h,
                   int rgbPixels[],
                   int off,
                   int scansize) throws IOException

Subclasses implement this to actually write out some bits.

Overrides:

encodePixels in class ImageEncoder

 void encodeDone() throws IOException

Subclasses implement this to finish an encoding.

Overrides:

encodeDone in class ImageEncoder

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