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;
}
Example #2
0
/*! 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;
}