Improve debug output (#1115)

Include hex opcode and file offset in debug output. Condense scan line messages in readOpDirectBits().

---------

Co-authored-by: Harald Kuhr <harald.kuhr@gmail.com>
This commit is contained in:
Rolf Howarth 2025-03-31 21:38:09 +02:00 committed by GitHub
parent 8989ba07d8
commit f8b919ee58
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@ -392,6 +392,9 @@ public final class PICTImageReader extends ImageReaderBase {
}
opCode = pStream.readUnsignedShort();
}
if (DEBUG) {
System.out.printf("opCode 0x%04x at pos %08x:\n", opCode, pStream.getStreamPosition() - 2);
}
// See what we got and react in consequence
switch (opCode) {
@ -1876,11 +1879,6 @@ public final class PICTImageReader extends ImageReaderBase {
srcRect.setLocation(0, 0); // Raster always start at 0,0
context.copyBits(img, srcRect, dstRect, transferMode, region);
}
// Line break at the end
if (DEBUG) {
System.out.println();
}
}
/**
@ -2074,9 +2072,15 @@ public final class PICTImageReader extends ImageReaderBase {
}
if (DEBUG) {
System.out.print("Line " + scanline + ", byteCount: " + packedBytesCount);
System.out.print(" dstBytes: " + dstBytes.length);
System.out.println();
if (scanline < 5 || scanline >= srcRect.height - 5) {
System.out.print("Line " + scanline + ", byteCount: " + packedBytesCount);
System.out.print(" dstBytes: " + dstBytes.length);
System.out.println();
}
else if (scanline == 5) {
// Truncate any remaining scanlines...
System.out.println("...");
}
}
// Unpack them all
@ -2189,11 +2193,6 @@ public final class PICTImageReader extends ImageReaderBase {
srcRect.setLocation(0, 0); // Raster always starts at 0,0
context.copyBits(img, srcRect, dstRect, transferMode, region);
}
// Line break at the end
if (DEBUG) {
System.out.println();
}
}
/*
@ -2558,7 +2557,6 @@ public final class PICTImageReader extends ImageReaderBase {
// for (int i = 1; pPolygon != null && i < pPolygon.npoints; i++) {
// System.out.print(", (" + pPolygon.xpoints[i] + "," + pPolygon.ypoints[i] + ")");
// }
System.out.println();
}
@Override
@ -2653,6 +2651,7 @@ public final class PICTImageReader extends ImageReaderBase {
try {
ImageInputStream input = ImageIO.createImageInputStream(file);
String title = file.getName();
System.out.println("Processing " + file);
System.out.println("canRead: " + reader.getOriginatingProvider().canDecodeInput(input));
@ -2668,9 +2667,11 @@ public final class PICTImageReader extends ImageReaderBase {
showIt(image, title);
System.out.println("image = " + image);
System.out.println();
}
catch (IOException e) {
System.err.println("Could not read " + file.getAbsolutePath() + ": " + e);
e.printStackTrace();
}
}
}