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EmbroideryReader
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Improved readability of X/Y value processing code 

Included more descriptive comments as well
Branch_2.1.x
Nathan Crawford 2013-12-06 19:04:33 -05:00
rodzic 1323b50759
commit edd9f83d84
1 zmienionych plików z 22 dodań i 10 usunięć
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32
PesFile/PesFile.cs
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@ -225,28 +225,40 @@ namespace PesFile
int deltaY = 0;
if ((val1 & 0x80) == 0x80)
{
//this is a jump stitch (more than 64 pixels away?)
// This is a 12-bit int. Allows for needle movement
// of up to +2047 or -2048.
deltaX = get12Bit2sComplement(val1, val2);
//read next byte for Y value
val2 = fileIn.ReadByte();
// The X value used both bytes, so read next byte
// for Y value.
val1 = fileIn.ReadByte();
}
else
{
//normal stitch
// This is a 7-bit int. Allows for needle movement
// of up to +63 or -64.
deltaX = get7Bit2sComplement(val1);
// The X value only used 1 byte, so copy the second
// to to the first for Y value.
val1 = val2;
}
if ((val2 & 0x80) == 0x80)
if ((val1 & 0x80) == 0x80)
{
//this is a jump stitch (more than 64 pixels away?)
byte val3 = fileIn.ReadByte();
deltaY = get12Bit2sComplement(val2, val3);
// This is a 12-bit int. Allows for needle movement
// of up to +2047 or -2048.
// Read in the next byte to get the full value
val2 = fileIn.ReadByte();
deltaY = get12Bit2sComplement(val1, val2);
}
else
{
//normal stitch
deltaY = get7Bit2sComplement(val2);
// This is a 7-bit int. Allows for needle movement
// of up to +63 or -64.
deltaY = get7Bit2sComplement(val1);
// Finished reading data for this stitch, no more
// bytes needed.
}
tempStitches.Add(
new Stitch(