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34 lines
711 B
C++
34 lines
711 B
C++
#include "subfile.h"
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#include "huffmanstream.h"
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#include "huffmantext.h"
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using namespace IMG;
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bool HuffmanText::load(const RGNFile *rgn, SubFile::Handle &rgnHdl)
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{
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if (!_table.load(rgn, rgnHdl))
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return false;
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Q_ASSERT(!(_table.symbolBits() & 7));
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return !(_table.symbolBits() & 7);
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}
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bool HuffmanText::decode(const SubFile *file, SubFile::Handle &hdl,
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quint32 size, QVector<quint8> &str) const
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{
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BitStream4F bs(*file, hdl, size);
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HuffmanStream<BitStream4F> hs(bs, _table);
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quint32 sym;
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while (hs.readSymbol(sym)) {
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for (quint32 i = 0; i < (_table.symbolBits() >> 3); i++) {
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str.append((quint8)sym);
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if (((quint8)sym == '\0'))
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return true;
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sym = sym >> 8;
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}
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}
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return false;
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}
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