IO_stat readheader(IO_handle& stream, char *version)
{
char tnewheader[NEWHEADERSIZE];
uint4 size = NEWHEADERSIZE;
if (IO_read(tnewheader, sizeof(char), size, stream) == IO_NORMAL)
{
// MW-2012-03-04: [[ StackFile5500 ]] Check for either the 2.7 or 5.5 header.
if (strncmp(tnewheader, newheader, NEWHEADERSIZE) == 0 ||
strncmp(tnewheader, newheader5500, NEWHEADERSIZE) == 0)
{
sprintf(version, "%c.%c.%c.%c", tnewheader[4], tnewheader[5], tnewheader[6], tnewheader[7]);
if (tnewheader[7] == '0')
{
version[5] = '\0';
if (tnewheader[6] == '0')
version[3] = '\0';
}
}
else
{
char theader[HEADERSIZE + 1];
uint4 size = HEADERSIZE - NEWHEADERSIZE;
theader[HEADERSIZE] = '\0';
uint4 offset;
strncpy(theader, tnewheader, NEWHEADERSIZE);
if (IO_read(theader + NEWHEADERSIZE, sizeof(char), size, stream) == IO_NORMAL
&& MCU_offset(SIGNATURE, theader, offset))
{
if (theader[offset - 1] != '\n' || theader[offset - 2] == '\r')
{
MCresult->sets("stack was corrupted by a non-binary file transfer");
return IO_ERROR;
}
strncpy(version, &theader[offset + VERSION_OFFSET], 3);
version[3] = '\0';
}
else
return IO_ERROR;
}
}
return IO_NORMAL;
}
void MCEPS::setextents()
{
tx = 0;
ty = 0;
ex = 612;
ey = 792;
uint4 offset;
uint1 *bptr = (uint1 *)postscript;
if (*bptr == 0xC5)
{
MCswapbytes = !MCswapbytes;
uint4 *uint4ptr = (uint4 *)postscript;
uint4 offset = swap_uint4(&uint4ptr[1]);
size = swap_uint4(&uint4ptr[2]);
MCswapbytes = !MCswapbytes;
char *newps = new char[size];
memcpy(newps, &postscript[offset], size);
delete postscript;
postscript = newps;
}
if (MCU_offset("\n%%BeginPreview:", postscript, offset))
{
uint4 eoffset;
if (MCU_offset("\n%%EndPreview", postscript, eoffset))
{
eoffset += 13;
memmove(&postscript[offset], &postscript[eoffset], size - eoffset);
size -= eoffset - offset;
}
}
if (MCU_offset("\n%%BoundingBox:", postscript, offset))
{
if (strnequal(&postscript[offset + 16], "(atend)", 7))
{
uint4 newoffset;
MCU_offset("\n%%BoundingBox:", &postscript[offset + 24], newoffset);
offset += newoffset + 24;
}
real8 llx, lly, urx, ury;
const char *sptr = &postscript[offset + 14];
// MW-2005-04-26: Remove 'const' to get it compiling using GCC 4.0 on MacOS X
char *newptr;
llx = strtod(sptr, &newptr);
if (newptr != sptr)
{
sptr = newptr;
lly = strtod(sptr, &newptr);
if (newptr != sptr)
{
sptr = newptr;
urx = strtod(sptr, &newptr);
if (newptr != sptr)
{
sptr = newptr;
ury = strtod(sptr, &newptr);
if (newptr != sptr)
{
tx = (int2)llx;
ty = (int2)lly;
ex = (uint2)(urx - llx);
ey = (uint2)(ury - lly);
}
}
}
}
}
offset = 0;
uint4 newoffset = 0;
pagecount = 0;
while (MCU_offset("\n%%Page:", &postscript[offset], newoffset))
{
MCU_realloc((char **)&pageIndex, pagecount, pagecount + 1, sizeof(uint4));
offset += newoffset + 1;
pageIndex[pagecount] = offset;
pagecount++;
}
}
