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format-max.c
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format-max.c
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/* Pfaff MAX embroidery file format */
static double maxDecode(unsigned char a1, unsigned char a2, unsigned char a3)
{
int res = a1 + (a2 << 8) + (a3 << 16);
if (res > 0x7FFFFF) {
return (-((~(res)&0x7FFFFF) - 1));
}
return res;
}
static void maxEncode(EmbFile* file, int x, int y)
{
if (!file) {
embLog("ERROR: format-max.c maxEncode(), file argument is null\n");
return;
}
binaryWriteByte(file, (unsigned char)0);
binaryWriteByte(file, (unsigned char)(x & 0xFF));
binaryWriteByte(file, (unsigned char)((x >> 8) & 0xFF));
binaryWriteByte(file, (unsigned char)((x >> 16) & 0xFF));
binaryWriteByte(file, (unsigned char)0);
binaryWriteByte(file, (unsigned char)(y & 0xFF));
binaryWriteByte(file, (unsigned char)((y >> 8) & 0xFF));
binaryWriteByte(file, (unsigned char)((y >> 16) & 0xFF));
}
/*! Reads a file with the given \a fileName and loads the data into \a pattern.
* Returns \c true if successful, otherwise returns \c false. */
static int readMax(EmbPattern* pattern, EmbFile* file, const char* fileName)
{
unsigned char b[8];
double dx, dy;
int i, flags, stitchCount;
embFile_seek(file, 0xD5, SEEK_SET);
stitchCount = binaryReadUInt32(file);
/* READ STITCH RECORDS */
for (i = 0; i < stitchCount; i++) {
flags = NORMAL;
if (embFile_read(b, 1, 8, file) != 8)
break;
dx = maxDecode(b[0], b[1], b[2]);
dy = maxDecode(b[4], b[5], b[6]);
embPattern_addStitchAbs(pattern, dx / 10.0, dy / 10.0, flags, 1);
}
embPattern_flipVertical(pattern);
return 1;
}
/*! Writes the data from \a pattern to a file with the given \a fileName.
* Returns \c true if successful, otherwise returns \c false. */
static int writeMax(EmbPattern* pattern, EmbFile* file, const char* fileName)
{
char header[] = {
0x56, 0x43, 0x53, 0x4D, 0xFC, 0x03, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0xF6, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0x33, 0x37, 0x38,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4D, 0x61, 0x64, 0x65, 0x69, 0x72, 0x61, 0x20,
0x52, 0x61, 0x79, 0x6F, 0x6E, 0x20, 0x34, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x38, 0x09, 0x31, 0x33, 0x30, 0x2F, 0x37, 0x30, 0x35, 0x20, 0x48, 0xFA, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
double x, y;
EmbStitch st;
int i;
binaryWriteBytes(file, header, 0xD5);
for (i = 0; i < pattern->stitchList->count; i++) {
st = pattern->stitchList->stitch[i];
x = roundDouble(st.x * 10.0);
y = roundDouble(st.y * 10.0);
maxEncode(file, x, y);
}
return 1;
}