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#include "format-pcs.h"
#include "emb-file.h"
#include "emb-logging.h"
#include "helpers-binary.h"
#include "helpers-misc.h"
static double pcsDecode(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 pcsEncode(EmbFile* file, int dx, int dy, int flags)
{
unsigned char flagsToWrite = 0;
if(!file) { embLog_error("format-pcs.c pcsEncode(), file argument is null\n"); return; }
binaryWriteByte(file, (unsigned char)0);
binaryWriteByte(file, (unsigned char)(dx & 0xFF));
binaryWriteByte(file, (unsigned char)((dx >> 8) & 0xFF));
binaryWriteByte(file, (unsigned char)((dx >> 16) & 0xFF));
binaryWriteByte(file, (unsigned char)0);
binaryWriteByte(file, (unsigned char)(dy & 0xFF));
binaryWriteByte(file, (unsigned char)((dy >> 8) & 0xFF));
binaryWriteByte(file, (unsigned char)((dy >> 16) & 0xFF));
if(flags & STOP)
{
flagsToWrite |= 0x01;
}
if(flags & TRIM)
{
flagsToWrite |= 0x04;
}
binaryWriteByte(file, flagsToWrite);
}
/*! Reads a file with the given \a fileName and loads the data into \a pattern.
* Returns \c true if successful, otherwise returns \c false. */
int readPcs(EmbPattern* pattern, const char* fileName)
{
char allZeroColor = 1;
int i = 0;
unsigned char b[9];
double dx = 0, dy = 0;
int flags = 0, st = 0;
unsigned char version, hoopSize;
unsigned short colorCount;
EmbFile* file = 0;
if(!pattern) { embLog_error("format-pcs.c readPcs(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-pcs.c readPcs(), fileName argument is null\n"); return 0; }
file = embFile_open(fileName, "rb");
if(!file)
{
embLog_error("format-pcs.c readPcs(), cannot open %s for reading\n", fileName);
return 0;
}
version = binaryReadByte(file);
hoopSize = binaryReadByte(file); /* 0 for PCD, 1 for PCQ (MAXI), 2 for PCS with small hoop(80x80), */
/* and 3 for PCS with large hoop (115x120) */
switch(hoopSize)
{
case 2:
pattern->hoop.width = 80.0;
pattern->hoop.height = 80.0;
break;
case 3:
pattern->hoop.width = 115;
pattern->hoop.height = 120.0;
break;
}
colorCount = binaryReadUInt16(file);
for(i = 0; i < colorCount; i++)
{
EmbThread t;
t.color.r = binaryReadByte(file);
t.color.g = binaryReadByte(file);
t.color.b = binaryReadByte(file);
t.catalogNumber = "";
t.description = "";
if(t.color.r || t.color.g || t.color.b)
{
allZeroColor = 0;
}
embPattern_addThread(pattern, t);
binaryReadByte(file);
}
if(allZeroColor)
embPattern_loadExternalColorFile(pattern, fileName);
st = binaryReadUInt16(file);
/* READ STITCH RECORDS */
for(i = 0; i < st; i++)
{
flags = NORMAL;
if(embFile_read(b, 1, 9, file) != 9)
break;
if(b[8] & 0x01)
{
flags = STOP;
}
else if(b[8] & 0x04)
{
flags = TRIM;
}
else if(b[8] != 0)
{
/* TODO: ONLY INTERESTED IN THIS CASE TO LEARN MORE ABOUT THE FORMAT */
}
dx = pcsDecode(b[1], b[2], b[3]);
dy = pcsDecode(b[5], b[6], b[7]);
embPattern_addStitchAbs(pattern, dx / 10.0, dy / 10.0, flags, 1);
}
embFile_close(file);
/* Check for an END stitch and add one if it is not present */
if(pattern->lastStitch->stitch.flags != END)
embPattern_addStitchRel(pattern, 0, 0, END, 1);
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. */
int writePcs(EmbPattern* pattern, const char* fileName)
{
EmbStitchList* pointer = 0;
EmbThreadList* threadPointer = 0;
EmbFile* file = 0;
int i = 0;
unsigned char colorCount = 0;
double xx = 0.0, yy = 0.0;
if(!pattern) { embLog_error("format-pcs.c writePcs(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-pcs.c writePcs(), fileName argument is null\n"); return 0; }
if(!embStitchList_count(pattern->stitchList))
{
embLog_error("format-pcs.c writePcs(), pattern contains no stitches\n");
return 0;
}
/* Check for an END stitch and add one if it is not present */
if(pattern->lastStitch->stitch.flags != END)
embPattern_addStitchRel(pattern, 0, 0, END, 1);
file = embFile_open(fileName, "wb");
if(!file)
{
embLog_error("format-pcs.c writePcs(), cannot open %s for writing\n", fileName);
return 0;
}
binaryWriteByte(file, (unsigned char)'2');
binaryWriteByte(file, 3); /* TODO: select hoop size defaulting to Large PCS hoop */
colorCount = (unsigned char)embThreadList_count(pattern->threadList);
binaryWriteUShort(file, (unsigned short)colorCount);
threadPointer = pattern->threadList;
i = 0;
while(threadPointer)
{
EmbColor color = threadPointer->thread.color;
binaryWriteByte(file, color.r);
binaryWriteByte(file, color.g);
binaryWriteByte(file, color.b);
binaryWriteByte(file, 0);
threadPointer = threadPointer->next;
i++;
}
for(; i < 16; i++)
{
binaryWriteUInt(file, 0); /* write remaining colors to reach 16 */
}
binaryWriteUShort(file, (unsigned short)embStitchList_count(pattern->stitchList));
/* write stitches */
xx = yy = 0;
pointer = pattern->stitchList;
while(pointer)
{
pcsEncode(file, roundDouble(pointer->stitch.xx * 10.0), roundDouble(pointer->stitch.yy * 10.0), pointer->stitch.flags);
pointer = pointer->next;
}
embFile_close(file);
return 1;
}
/* kate: bom off; indent-mode cstyle; indent-width 4; replace-trailing-space-save on; */
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