static void
display_djvu_info(ByteStream & out_str, IFFByteStream &iff,
GUTF8String, size_t size, DjVmInfo&, int)
{
GP<DjVuInfo> ginfo=DjVuInfo::create();
DjVuInfo &info=*ginfo;
info.decode(*iff.get_bytestream());
if (size >= 4)
out_str.format( "DjVu %dx%d", info.width, info.height);
if (size >= 5)
out_str.format( ", v%d", info.version);
if (size >= 8)
out_str.format( ", %d dpi", info.dpi);
if (size >= 9)
out_str.format( ", gamma=%3.1f", info.gamma);
}
static void
display_chunks(ByteStream & out_str, IFFByteStream &iff,
const GUTF8String &head, DjVmInfo djvminfo)
{
size_t size;
GUTF8String id, fullid;
GUTF8String head2 = head + " ";
GPMap<int,DjVmDir::File> djvmmap;
int rawoffset;
GMap<GUTF8String, int> counters;
while ((size = iff.get_chunk(id, &rawoffset)))
{
if (!counters.contains(id)) counters[id]=0;
else counters[id]++;
GUTF8String msg;
msg.format("%s%s [%d] ", (const char *)head, (const char *)id, size);
out_str.format( "%s", (const char *)msg);
// Display DJVM is when adequate
if (djvminfo.dir)
{
GP<DjVmDir::File> rec = djvminfo.map[rawoffset];
if (rec)
out_str.format( "{%s}", (const char*) rec->get_load_name());
}
// Test chunk type
iff.full_id(fullid);
for (int i=0; disproutines[i].id; i++)
if (fullid == disproutines[i].id || id == disproutines[i].id)
{
int n = msg.length();
while (n++ < 14+(int) head.length()) putchar(out_str, ' ');
if (!iff.composite()) out_str.format( " ");
(*disproutines[i].subr)(out_str, iff, head2,
size, djvminfo, counters[id]);
break;
}
// Default display of composite chunk
out_str.format( "\n");
if (iff.composite())
display_chunks(out_str, iff, head2, djvminfo);
// Terminate
iff.close_chunk();
}
}
static void
display_incl(ByteStream & out_str, IFFByteStream & iff,
GUTF8String, size_t, DjVmInfo&, int)
{
GUTF8String name;
char ch;
while(iff.read(&ch, 1) && ch!='\n')
name += ch;
out_str.format( "Indirection chunk --> {%s}", (const char *) name);
}
static void
display_fgbz(ByteStream & out_str, IFFByteStream &iff,
GUTF8String, size_t, DjVmInfo&, int)
{
GP<ByteStream> gbs = iff.get_bytestream();
int version = gbs->read8();
int size = gbs->read16();
out_str.format( "JB2 colors data, v%d, %d colors",
version & 0x7f, size);
}
static void
display_iw4(ByteStream & out_str, IFFByteStream &iff,
GUTF8String, size_t, DjVmInfo&, int)
{
GP<ByteStream> gbs = iff.get_bytestream();
unsigned char serial = gbs->read8();
unsigned char slices = gbs->read8();
out_str.format( "IW4 data #%d, %d slices", serial+1, slices);
if (serial == 0)
{
unsigned char major = gbs->read8();
unsigned char minor = gbs->read8();
unsigned char xhi = gbs->read8();
unsigned char xlo = gbs->read8();
unsigned char yhi = gbs->read8();
unsigned char ylo = gbs->read8();
out_str.format( ", v%d.%d (%s), %dx%d", major & 0x7f, minor,
(major & 0x80 ? "b&w" : "color"),
(xhi<<8)+xlo, (yhi<<8)+ylo );
}
}
static void
display_smmr(ByteStream & out_str, IFFByteStream &iff,
GUTF8String, size_t, DjVmInfo&, int)
{
out_str.format( "G4/MMR stencil data");
}
static void
display_sjbz(ByteStream & out_str, IFFByteStream &iff,
GUTF8String, size_t, DjVmInfo&, int)
{
out_str.format( "JB2 bilevel data");
}
static void
display_djbz(ByteStream & out_str, IFFByteStream &iff,
GUTF8String, size_t, DjVmInfo&, int)
{
out_str.format( "JB2 shared dictionary");
}
