int readExp(EmbPattern* pattern, const char* fileName)
{
FILE* file;
int i = 0;
unsigned char b0 = 0, b1 = 0;
char dx = 0, dy = 0;
int flags = 0;
file = fopen(fileName, "rb");
if(file == 0)
{
/*TODO: set status here "Error opening EXP file for read:" */
return 0;
}
embPattern_loadExternalColorFile(pattern, fileName);
for(i = 0; !feof(file); i++)
{
flags = NORMAL;
b0 = fgetc(file);
if(feof(file))
break;
b1 = fgetc(file);
if(feof(file))
break;
if(b0 == 0x80)
{
if(b1 & 1)
{
b0 = fgetc(file);
if(feof(file))
break;
b1 = fgetc(file);
if(feof(file))
break;
flags = STOP;
}
else if((b1 == 2) || (b1 == 4) || b1 == 6)
{
flags = TRIM;
if(b1 == 2) flags = NORMAL;
b0 = fgetc(file);
if(feof(file))
break;
b1 = fgetc(file);
if(feof(file))
break;
}
else if(b1 == 0x80)
{
b0 = fgetc(file);
if(feof(file))
break;
b1 = fgetc(file);
if(feof(file))
break;
/* Seems to be b0=0x07 and b1=0x00
* Maybe used as extension functions */
b0 = 0;
b1 = 0;
flags = TRIM;
}
}
dx = expDecode(b0);
dy = expDecode(b1);
embPattern_addStitchRel(pattern, dx / 10.0, dy / 10.0, flags, 1);
}
embPattern_addStitchRel(pattern, 0, 0, END, 1);
fclose(file);
return 1;
}
/*! 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 readExp(EmbPattern* pattern, const char* fileName)
{
EmbFile* file = 0;
int i = 0;
unsigned char b0 = 0, b1 = 0;
char dx = 0, dy = 0;
int flags = 0;
if(!pattern) { embLog_error("format-exp.c readExp(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-exp.c readExp(), fileName argument is null\n"); return 0; }
file = embFile_open(fileName, "rb");
if(!file)
{
embLog_error("format-exp.c readExp(), cannot open %s for reading\n", fileName);
return 0;
}
embPattern_loadExternalColorFile(pattern, fileName);
for(i = 0; !embFile_eof(file); i++)
{
flags = NORMAL;
b0 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
b1 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
if(b0 == 0x80)
{
if(b1 & 1)
{
b0 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
b1 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
flags = STOP;
}
else if((b1 == 2) || (b1 == 4) || b1 == 6)
{
flags = TRIM;
if(b1 == 2) flags = NORMAL;
b0 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
b1 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
}
else if(b1 == 0x80)
{
b0 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
b1 = (unsigned char)embFile_getc(file);
if(embFile_eof(file))
break;
/* Seems to be b0=0x07 and b1=0x00
* Maybe used as extension functions */
b0 = 0;
b1 = 0;
flags = TRIM;
}
}
dx = expDecode(b0);
dy = expDecode(b1);
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);
return 1;
}