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#include "format-shv.h"
#include "format-jef.h"
#include "emb-file.h"
#include "emb-logging.h"
#include "helpers-binary.h"
#include <string.h>
static char shvDecode(unsigned char inputByte)
{
if(inputByte >= 0x80)
{
return (char)-((unsigned char)((~inputByte) + 1));
}
return ((char)inputByte);
}
static short shvDecodeShort(unsigned short inputByte)
{
if(inputByte > 0x8000)
{
return (short)-((unsigned short)((~inputByte) + 1));
}
return ((short)inputByte);
}
/*! 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 readShv(EmbPattern* pattern, const char* fileName)
{
EmbFile* file = 0;
int i;
char inJump = 0;
unsigned char fileNameLength, designWidth, designHeight;
char halfDesignWidth, halfDesignHeight, halfDesignWidth2, halfDesignHeight2;
char* headerText = "Embroidery disk created using software licensed from Viking Sewing Machines AB, Sweden";
char dx = 0, dy = 0;
char numberOfColors;
unsigned short magicCode;
int something;
short left,top,right,bottom;
char something2, numberOfSections, something3;
int stitchesPerColor[256];
int stitchesSinceChange = 0;
int currColorIndex = 0;
unsigned short sx, sy;
if(!pattern) { embLog_error("format-shv.c readShv(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-shv.c readShv(), fileName argument is null\n"); return 0; }
file = embFile_open(fileName, "rb");
if(!file)
{
embLog_error("format-shv.c readShv(), cannot open %s for reading\n", fileName);
return 0;
}
embFile_seek(file, strlen(headerText), SEEK_SET);
fileNameLength = binaryReadUInt8(file);
embFile_seek(file, fileNameLength, SEEK_CUR);
designWidth = binaryReadUInt8(file);
designHeight = binaryReadUInt8(file);
halfDesignWidth = binaryReadUInt8(file);
halfDesignHeight = binaryReadUInt8(file);
halfDesignWidth2 = binaryReadUInt8(file);
halfDesignHeight2 = binaryReadUInt8(file);
if((designHeight % 2) == 1)
{
embFile_seek(file, ((designHeight + 1)*designWidth)/2, SEEK_CUR);
}
else
{
embFile_seek(file, (designHeight*designWidth)/2, SEEK_CUR);
}
numberOfColors = binaryReadUInt8(file);
magicCode = binaryReadUInt16(file);
binaryReadByte(file);
something = binaryReadInt32(file);
left = binaryReadInt16(file);
top = binaryReadInt16(file);
right = binaryReadInt16(file);
bottom = binaryReadInt16(file);
something2 = binaryReadByte(file);
numberOfSections = binaryReadUInt8(file);
something3 = binaryReadByte(file);
for(i = 0; i < numberOfColors; i++)
{
unsigned int stitchCount, colorNumber;
stitchCount = binaryReadUInt32BE(file);
colorNumber = binaryReadUInt8(file);
embPattern_addThread(pattern, shvThreads[colorNumber % 43]);
stitchesPerColor[i] = stitchCount;
embFile_seek(file, 9, SEEK_CUR);
}
embFile_seek(file, -2, SEEK_CUR);
for(i = 0; !embFile_eof(file); i++)
{
unsigned char b0, b1;
int flags;
if(inJump)
{
flags = JUMP;
}
else
{
flags = NORMAL;
}
b0 = binaryReadUInt8(file);
b1 = binaryReadUInt8(file);
if(stitchesSinceChange >= stitchesPerColor[currColorIndex])
{
embPattern_addStitchRel(pattern, 0, 0, STOP, 1);
currColorIndex++;
stitchesSinceChange = 0;
}
if(b0 == 0x80)
{
stitchesSinceChange++;
if(b1 == 3)
{
continue;
}
else if(b1 == 0x02)
{
inJump = 0;
continue;
}
else if(b1 == 0x01)
{
stitchesSinceChange += 2;
sx = binaryReadUInt8(file);
sx = (unsigned short)(sx << 8 | binaryReadUInt8(file));
sy = binaryReadUInt8(file);
sy = (unsigned short)(sy << 8 | binaryReadUInt8(file));
flags = TRIM;
inJump = 1;
embPattern_addStitchRel(pattern, shvDecodeShort(sx) / 10.0, shvDecodeShort(sy) / 10.0, flags, 1);
continue;
}
}
dx = shvDecode(b0);
dy = shvDecode(b1);
stitchesSinceChange++;
embPattern_addStitchRel(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);
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. */
int writeShv(EmbPattern* pattern, const char* fileName)
{
if(!pattern) { embLog_error("format-shv.c writeShv(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-shv.c writeShv(), fileName argument is null\n"); return 0; }
if(!embStitchList_count(pattern->stitchList))
{
embLog_error("format-shv.c writeShv(), 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);
/* TODO: embFile_open() needs to occur here after the check for no stitches */
return 0; /*TODO: finish writeShv */
}
/* kate: bom off; indent-mode cstyle; indent-width 4; replace-trailing-space-save on; */
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