bool
MMRDecoder::decode_header(
ByteStream &inp, int &width, int &height, int &invert)
{
unsigned long int magic = inp.read32();
if((magic&0xfffffffc) != 0x4d4d5200)
G_THROW( ERR_MSG("MMRDecoder.unrecog_header") );
invert = ((magic & 0x1) ? 1 : 0);
const bool strip = ((magic & 0x2) ? 1 : 0);
width = inp.read16();
height = inp.read16();
if (width<=0 || height<=0)
G_THROW( ERR_MSG("MMRDecoder.bad_header") );
return strip;
}
void
DjVmDir0::decode(ByteStream & bs)
// WARNING! make sure, that get_size(), encode() and decode() are in sync
{
name2file.empty();
num2file.empty();
for(int i=bs.read16();i>0;i--)
{
GUTF8String name;
char ch;
while(bs.read(&ch, 1) && ch) name+=ch;
bool iff_file=bs.read8()?true:false;
int offset=bs.read32();
int size=bs.read32();
add_file(name, iff_file, offset, size);
};
}
