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#include "format-exy.h"
#include "emb-file.h"
#include "emb-logging.h"
static int exyDecodeFlags(unsigned char b2)
{
int returnCode = 0;
if(b2 == 0xF3)
return (END);
if((b2 & 0xC3) == 0xC3)
return TRIM | STOP;
if(b2 & 0x80)
returnCode |= TRIM;
if(b2 & 0x40)
returnCode |= STOP;
return returnCode;
}
/*! 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 readExy(EmbPattern* pattern, const char* fileName)
{
unsigned char b[3];
EmbFile* file = 0;
if(!pattern) { embLog_error("format-exy.c readExy(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-exy.c readExy(), fileName argument is null\n"); return 0; }
file = embFile_open(fileName, "rb");
if(!file)
{
embLog_error("format-exy.c readExy(), cannot open %s for reading\n", fileName);
return 0;
}
embPattern_loadExternalColorFile(pattern, fileName);
embFile_seek(file, 0x100, SEEK_SET);
while(embFile_read(b, 1, 3, file) == 3)
{
int flags;
int x = 0;
int y = 0;
if(b[0] & 0x01)
x += 1;
if(b[0] & 0x02)
x -= 1;
if(b[0] & 0x04)
x += 9;
if(b[0] & 0x08)
x -= 9;
if(b[0] & 0x80)
y += 1;
if(b[0] & 0x40)
y -= 1;
if(b[0] & 0x20)
y += 9;
if(b[0] & 0x10)
y -= 9;
if(b[1] & 0x01)
x += 3;
if(b[1] & 0x02)
x -= 3;
if(b[1] & 0x04)
x += 27;
if(b[1] & 0x08)
x -= 27;
if(b[1] & 0x80)
y += 3;
if(b[1] & 0x40)
y -= 3;
if(b[1] & 0x20)
y += 27;
if(b[1] & 0x10)
y -= 27;
if(b[2] & 0x04)
x += 81;
if(b[2] & 0x08)
x -= 81;
if(b[2] & 0x20)
y += 81;
if(b[2] & 0x10)
y -= 81;
flags = exyDecodeFlags(b[2]);
if((flags & END) == END)
{
embPattern_addStitchRel(pattern, 0, 0, END, 1);
break;
}
embPattern_addStitchRel(pattern, x / 10.0, y / 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 writeExy(EmbPattern* pattern, const char* fileName)
{
if(!pattern) { embLog_error("format-exy.c writeExy(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-exy.c writeExy(), fileName argument is null\n"); return 0; }
if(!embStitchList_count(pattern->stitchList))
{
embLog_error("format-exy.c writeExy(), 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 writeExy */
}
/* kate: bom off; indent-mode cstyle; indent-width 4; replace-trailing-space-save on; */
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