SF_RunLengthDecode.hh
821 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
#include <qpdf/Pl_RunLength.hh>
#include <qpdf/QPDFStreamFilter.hh>
#include <memory>
#ifndef SF_RUNLENGTHDECODE_HH
# define SF_RUNLENGTHDECODE_HH
class SF_RunLengthDecode: public QPDFStreamFilter
{
public:
SF_RunLengthDecode() = default;
~SF_RunLengthDecode() override = default;
Pipeline*
getDecodePipeline(Pipeline* next) override
{
this->pipeline =
std::make_shared<Pl_RunLength>("runlength decode", next, Pl_RunLength::a_decode);
return this->pipeline.get();
}
static std::shared_ptr<QPDFStreamFilter>
factory()
{
return std::make_shared<SF_RunLengthDecode>();
}
bool
isSpecializedCompression() override
{
return true;
}
private:
std::shared_ptr<Pipeline> pipeline;
};
#endif // SF_RUNLENGTHDECODE_HH