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#include "format-emd.h"
#include "emb-file.h"
#include "emb-logging.h"
#include "helpers-binary.h"
static char emdDecode(unsigned char inputByte)
{
return (inputByte >= 0x80) ? ((-~inputByte) - 1) : inputByte; /* TODO: eliminate ternary return statement */
}
/*! 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 readEmd(EmbPattern* pattern, const char* fileName)
{
unsigned char b0 = 0, b1 = 0;
char dx = 0, dy = 0;
int flags = NORMAL;
char endOfStream = 0;
unsigned char jemd0[6]; /* TODO: more descriptive name */
int width, height, colors;
int i;
EmbFile* file = 0;
if(!pattern) { embLog_error("format-emd.c readEmd(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-emd.c readEmd(), fileName argument is null\n"); return 0; }
file = embFile_open(fileName, "rb");
if(!file)
{
embLog_error("format-emd.c readEmd(), cannot open %s for reading\n", fileName);
return 0;
}
embPattern_loadExternalColorFile(pattern, fileName);
binaryReadBytes(file, jemd0, 6); /* TODO: check return value */
width = binaryReadInt16(file);
height = binaryReadInt16(file);
colors = binaryReadInt16(file);
embFile_seek(file, 0x30, SEEK_SET);
for(i = 0; !endOfStream; i++)
{
flags = NORMAL;
b0 = binaryReadUInt8(file);
b1 = binaryReadUInt8(file);
if(b0 == 0x80)
{
if(b1 == 0x2A)
{
embPattern_addStitchRel(pattern, 0, 0, STOP, 1);
continue;
}
else if(b1 == 0x80)
{
b0 = binaryReadUInt8(file);
b1 = binaryReadUInt8(file);
flags = TRIM;
}
else if(b1 == 0xFD)
{
embPattern_addStitchRel(pattern, 0, 0, END, 1);
break;
}
else
{
continue;
}
}
dx = emdDecode(b0);
dy = emdDecode(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;
}
/*! Writes the data from \a pattern to a file with the given \a fileName.
* Returns \c true if successful, otherwise returns \c false. */
int writeEmd(EmbPattern* pattern, const char* fileName)
{
if(!pattern) { embLog_error("format-emd.c writeEmd(), pattern argument is null\n"); return 0; }
if(!fileName) { embLog_error("format-emd.c writeEmd(), fileName argument is null\n"); return 0; }
if(!embStitchList_count(pattern->stitchList))
{
embLog_error("format-emd.c writeEmd(), 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 writeEmd */
}
/* kate: bom off; indent-mode cstyle; indent-width 4; replace-trailing-space-save on; */
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