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This commit is contained in:
Denis Molony 2019-11-19 17:22:36 +10:00
parent 3f52d2c71c
commit fc183bd0aa
1 changed files with 30 additions and 33 deletions
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63
src/com/bytezone/diskbrowser/applefile/SHRPictureFile1.java
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@ -104,7 +104,7 @@ public class SHRPictureFile1 extends HiResImage
void createColourImage ()
// ---------------------------------------------------------------------------------//
{
int width = mainBlock.unpackedSize[0] * (mainBlock.scbMode == 0 ? 4 : 8);
int width = mainBlock.masterMode == 0x80 ? 640 : mainBlock.unpackedSize[0] * 4;
image =
new BufferedImage (width, mainBlock.numScanLines * 2, BufferedImage.TYPE_INT_RGB);
DataBuffer dataBuffer = image.getRaster ().getDataBuffer ();
@ -129,35 +129,8 @@ public class SHRPictureFile1 extends HiResImage
// if (fillMode)
// System.out.println ("fillmode " + fillMode);
// 320 mode
if (mainBlock.scbMode == 0)
{
int max = mainBlock.unpackedSize[line];
for (int i = 0; i < max; i++) // two pixels per col
{
int left = (buffer[ptr] & 0xF0) >> 4;
int right = buffer[ptr++] & 0x0F;
// get left/right colors
int rgbLeft = colorTable.entries[left].color.getRGB ();
int rgbRight = colorTable.entries[right].color.getRGB ();
// draw left/right pixels on current line
dataBuffer.setElem (element1++, rgbLeft);
dataBuffer.setElem (element1++, rgbLeft);
dataBuffer.setElem (element1++, rgbRight);
dataBuffer.setElem (element1++, rgbRight);
// draw same left/right pixels on next line
dataBuffer.setElem (element2++, rgbLeft);
dataBuffer.setElem (element2++, rgbLeft);
dataBuffer.setElem (element2++, rgbRight);
dataBuffer.setElem (element2++, rgbRight);
}
element1 += width; // skip line already drawn
element2 += width; // one line ahead
}
else
// 640 mode
if (mainBlock.masterMode == 0x80)
{
int max = mainBlock.unpackedSize[line];
for (int i = 0; i < max; i++) // four pixels per col
@ -188,6 +161,33 @@ public class SHRPictureFile1 extends HiResImage
element1 += width; // skip line already drawn
element2 += width; // one line ahead
}
else
{
int max = mainBlock.unpackedSize[line];
for (int i = 0; i < max; i++) // two pixels per col
{
int left = (buffer[ptr] & 0xF0) >> 4;
int right = buffer[ptr++] & 0x0F;
// get left/right colors
int rgbLeft = colorTable.entries[left].color.getRGB ();
int rgbRight = colorTable.entries[right].color.getRGB ();
// draw left/right pixels on current line
dataBuffer.setElem (element1++, rgbLeft);
dataBuffer.setElem (element1++, rgbLeft);
dataBuffer.setElem (element1++, rgbRight);
dataBuffer.setElem (element1++, rgbRight);
// draw same left/right pixels on next line
dataBuffer.setElem (element2++, rgbLeft);
dataBuffer.setElem (element2++, rgbLeft);
dataBuffer.setElem (element2++, rgbRight);
dataBuffer.setElem (element2++, rgbRight);
}
element1 += width; // skip line already drawn
element2 += width; // one line ahead
}
}
}
@ -327,9 +327,6 @@ public class SHRPictureFile1 extends HiResImage
ptr += len;
}
// int width = pixelsPerScanLine == 320 ? 160 : (pixelsPerScanLine - 1) / 4 + 1;
// int width = pixelsPerScanLine == 320 ? 160 : pixelsPerScanLine / 4;
// int width = scbMode == 0 ? pixelsPerScanLine / 2 : pixelsPerScanLine / 4;
int width = 320;
byte[] unpackedBuffer = new byte[numScanLines * width];
ptr = 0;