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-rw-r--r--src/jake2/imageio/PCXImageReader.java322
1 files changed, 0 insertions, 322 deletions
diff --git a/src/jake2/imageio/PCXImageReader.java b/src/jake2/imageio/PCXImageReader.java
deleted file mode 100644
index c81e623..0000000
--- a/src/jake2/imageio/PCXImageReader.java
+++ /dev/null
@@ -1,322 +0,0 @@
-/*
- * Created on Nov 17, 2003
- *
- */
-package jake2.imageio;
-
-import java.awt.Point;
-import java.awt.Rectangle;
-import java.awt.image.BufferedImage;
-import java.awt.image.DataBuffer;
-import java.awt.image.DataBufferByte;
-import java.awt.image.Raster;
-import java.awt.image.WritableRaster;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import javax.imageio.IIOException;
-import javax.imageio.ImageReadParam;
-import javax.imageio.ImageReader;
-import javax.imageio.ImageTypeSpecifier;
-import javax.imageio.metadata.IIOMetadata;
-import javax.imageio.spi.ImageReaderSpi;
-import javax.imageio.stream.ImageInputStream;
-
-/**
- * @author cwei
- *
- */
-public class PCXImageReader extends ImageReader {
-
- private static Logger logger =
- Logger.getLogger(PCXImageReader.class.getName());
-
- ImageInputStream stream = null;
- PCX.Header header = null;
-
- public PCXImageReader(ImageReaderSpi originatingProvider) {
- super(originatingProvider);
- }
-
- public void setInput(Object input, boolean seekForwardOnly) {
- super.setInput(input, seekForwardOnly);
- if (input == null) {
- this.stream = null;
- return;
- }
- if (input instanceof ImageInputStream) {
- this.stream = (ImageInputStream) input;
- } else {
- throw new IllegalArgumentException("bad input");
- }
- }
-
- public int getHeight(int imageIndex) throws IOException {
- checkIndex(imageIndex);
- readHeader();
- return header.getHeight();
- }
-
- public int getWidth(int imageIndex) throws IOException {
- checkIndex(imageIndex);
- readHeader();
- return header.getWidth();
- }
-
- public int getNumImages(boolean allowSearch) throws IOException {
- // only 1 image
- return 1;
- }
-
- public Iterator getImageTypes(int imageIndex) throws IOException {
- checkIndex(imageIndex);
- readHeader();
-
- ImageTypeSpecifier imageType = null;
- java.util.List l = new ArrayList(1);
-
- imageType =
- ImageTypeSpecifier.createIndexed(
- Q2ColorMap.RED,
- Q2ColorMap.GREEN,
- Q2ColorMap.BLUE,
- Q2ColorMap.ALPHA,
- 8,
- DataBuffer.TYPE_BYTE);
-
- l.add(imageType);
- return l.iterator();
- }
-
- public IIOMetadata getStreamMetadata() throws IOException {
- return null;
- }
-
- public IIOMetadata getImageMetadata(int imageIndex) throws IOException {
- return null;
- }
-
- public BufferedImage read(int imageIndex, ImageReadParam param)
- throws IOException {
-
- checkIndex(imageIndex);
- readHeader();
-
- int width = header.getWidth();
- int height = header.getHeight();
-
- // Compute initial source region, clip against destination later
- Rectangle sourceRegion = getSourceRegion(param, width, height);
-
- // Set everything to default values
- int sourceXSubsampling = 1;
- int sourceYSubsampling = 1;
- int[] sourceBands = null;
- int[] destinationBands = null;
- Point destinationOffset = new Point(0, 0);
-
- // Get values from the ImageReadParam, if any
- if (param != null) {
- sourceXSubsampling = param.getSourceXSubsampling();
- sourceYSubsampling = param.getSourceYSubsampling();
- sourceBands = param.getSourceBands();
- destinationBands = param.getDestinationBands();
- destinationOffset = param.getDestinationOffset();
- }
-
- // Get the specified detination image or create a new one
- BufferedImage dst =
- getDestination(param, getImageTypes(0), width, height);
-
- // Enure band settings from param are compatible with images
- int inputBands = 1;
- checkReadParamBandSettings(
- param,
- inputBands,
- dst.getSampleModel().getNumBands());
-
- int[] bandOffsets = new int[inputBands];
- for (int i = 0; i < inputBands; i++) {
- bandOffsets[i] = i;
- }
- int bytesPerRow = width * inputBands;
- DataBufferByte rowDB = new DataBufferByte(bytesPerRow);
- WritableRaster rowRas =
- Raster.createInterleavedRaster(
- rowDB,
- width,
- 1,
- bytesPerRow,
- inputBands,
- bandOffsets,
- new Point(0, 0));
- byte[] rowBuf = rowDB.getData();
-
- // Create an int[] that can a single pixel
- int[] pixel = rowRas.getPixel(0, 0, (int[]) null);
-
- WritableRaster imRas = dst.getWritableTile(0, 0);
- int dstMinX = imRas.getMinX();
- int dstMaxX = dstMinX + imRas.getWidth() - 1;
- int dstMinY = imRas.getMinY();
- int dstMaxY = dstMinY + imRas.getHeight() - 1;
-
- // Create a child raster exposing only the desired source bands
- if (sourceBands != null) {
- rowRas =
- rowRas.createWritableChild(0, 0, width, 1, 0, 0, sourceBands);
- }
-
- // Create a child raster exposing only the desired dest bands
- if (destinationBands != null) {
- imRas =
- imRas.createWritableChild(
- 0,
- 0,
- imRas.getWidth(),
- imRas.getHeight(),
- 0,
- 0,
- destinationBands);
-
- }
-
- int dataByte = 0;
- int runLength = 0;
-
- for (int srcY = 0; srcY < height; srcY++) {
- // Read the row
- try {
- /*
- * run length decoding for PCX images
- */
- int index = 0;
-
- while (index < rowBuf.length) {
- while (runLength-- > 0 && index < rowBuf.length) {
- rowBuf[index++] = (byte) (dataByte & 0xff);
- }
- dataByte = stream.readUnsignedByte();
- if ((dataByte & 0xc0) == 0xc0) {
- runLength = dataByte & 0x3f;
- dataByte = stream.readUnsignedByte();
- } else {
- runLength = 1;
- }
- }
- } catch (IOException e) {
- throw new IIOException("Error reading line " + srcY, e);
- }
-
- // Reject rows that lie outside the source region,
- // or which aren't part of the subsampling
- if ((srcY < sourceRegion.y)
- || (srcY >= sourceRegion.y + sourceRegion.height)
- || (((srcY - sourceRegion.y) % sourceYSubsampling) != 0)) {
- continue;
- }
-
- // Determine where the row will go in the destination
- int dstY =
- destinationOffset.y
- + (srcY - sourceRegion.y) / sourceYSubsampling;
- if (dstY < dstMinY) {
- continue; // The row is above imRas
- }
- if (dstY > dstMaxY) {
- break; // We're done with the image
- }
-
- // Copy each (subsampled) source pixel into imRas
- for (int srcX = sourceRegion.x;
- srcX < sourceRegion.x + sourceRegion.width;
- srcX++) {
- if (((srcX - sourceRegion.x) % sourceXSubsampling) != 0) {
- continue;
- }
- int dstX =
- destinationOffset.x
- + (srcX - sourceRegion.x) / sourceXSubsampling;
- if (dstX < dstMinX) {
- continue; // The pixel is to the left of imRas
- }
- if (dstX > dstMaxX) {
- break; // We're done with the row
- }
-
- // Copy the pixel, sub-banding is done automatically
- rowRas.getPixel(srcX, 0, pixel);
- imRas.setPixel(dstX, dstY, pixel);
- }
- }
- if ((stream.readUnsignedByte()) == 0x0c) {
- logger.log(
- Level.FINE,
- "PCX has a color palette with "
- + (stream.length() - stream.getStreamPosition())
- + " Bytes, but use the default palette (quake2)");
- }
- return dst;
- }
-
- private void checkIndex(int imageIndex) {
- if (imageIndex != 0) {
- throw new IndexOutOfBoundsException("bad image index");
- }
- }
-
-// buggy version
-/* private void decodeRow(byte[] buffer) throws IOException {
- int dataByte = 0;
- int runLength = 0;
- int index = 0;
-
- while (index < buffer.length) {
- dataByte = stream.readUnsignedByte();
- if ((dataByte & 0xc0) == 0xc0) {
- runLength = dataByte & 0x3f;
- dataByte = stream.readUnsignedByte();
- } else {
- runLength = 1;
- }
-
- while (runLength-- > 0 && index < buffer.length) {
- buffer[index++] = (byte) (dataByte & 0xff);
- }
- assert(runLength == -1) : "runLength decoding bug: " + runLength;
- }
- }
-*/
- private void readHeader() throws IIOException {
-
- if (header != null)
- return;
-
- logger.log(Level.FINE, "PCX read header");
-
- if (stream == null) {
- if (this.input == null) {
- throw new IllegalStateException("No input stream");
- }
- stream = (ImageInputStream) input;
- }
-
- byte[] buffer = new byte[PCX.HEADER_SIZE];
-
- try {
- stream.readFully(buffer);
- this.header = new PCX.Header(buffer);
- logger.log(
- Level.FINE,
- "PCX horzRes: "
- + header.getWidth()
- + " height: "
- + header.getHeight());
- } catch (IOException e) {
- throw new IIOException("Error reading quake2 PCX header", e);
- }
- }
-}
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