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39bfa01307
Refactor QPDF_Stream to use stream filter classes to handle supported stream filters as well.
36 lines
824 B
C++
36 lines
824 B
C++
#include <qpdf/QPDFStreamFilter.hh>
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#include <qpdf/Pl_RunLength.hh>
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#include <memory>
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#ifndef SF_RUNLENGTHDECODE_HH
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#define SF_RUNLENGTHDECODE_HH
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class SF_RunLengthDecode: public QPDFStreamFilter
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{
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public:
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SF_RunLengthDecode() = default;
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virtual ~SF_RunLengthDecode() = default;
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virtual Pipeline* getDecodePipeline(Pipeline* next) override
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{
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this->pipeline = std::make_shared<Pl_RunLength>(
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"runlength decode", next, Pl_RunLength::a_decode);
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return this->pipeline.get();
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}
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static std::shared_ptr<QPDFStreamFilter> factory()
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{
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return std::make_shared<SF_RunLengthDecode>();
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}
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virtual bool isSpecializedCompression() override
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{
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return true;
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}
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private:
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std::shared_ptr<Pipeline> pipeline;
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};
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#endif // SF_RUNLENGTHDECODE_HH
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