111 lines
1.7 KiB
C++
111 lines
1.7 KiB
C++
#ifndef FOURCC_HPP
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#define FOURCC_HPP
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#include <iosfwd>
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#include <cstring>
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#if defined(__POWERPC__) || defined(__APPLE__) || defined(__MERKS__)
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using namespace std;
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#endif
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class FourCC
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{
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public:
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FourCC();
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FourCC(const char*);
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explicit FourCC(unsigned long);
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bool operator==(const FourCC&) const;
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bool operator!=(const FourCC&) const;
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bool operator==(const char*) const;
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bool operator!=(const char*) const;
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operator unsigned long() const;
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unsigned long asLong() const;
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FourCC& operator=(unsigned long);
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char operator[](int) const;
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std::ostream& put(std::ostream&) const;
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bool printable() const;
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private:
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union
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{
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char code[4];
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unsigned long codeAsLong;
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};
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};
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inline FourCC::FourCC()
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{
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}
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inline FourCC::FourCC(unsigned long x)
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: codeAsLong(x)
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{
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}
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inline FourCC::FourCC(const char* str)
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{
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memcpy(code, str, 4);
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}
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inline bool FourCC::operator==(const FourCC& rhs) const
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{
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return codeAsLong == rhs.codeAsLong;
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}
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inline bool FourCC::operator!=(const FourCC& rhs) const
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{
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return !operator==(rhs);
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}
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inline bool FourCC::operator==(const char* rhs) const
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{
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return (memcmp(code, rhs, 4) == 0);
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}
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inline bool FourCC::operator!=(const char* rhs) const
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{
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return !operator==(rhs);
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}
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inline FourCC::operator unsigned long() const
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{
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return codeAsLong;
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}
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inline unsigned long FourCC::asLong() const
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{
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return codeAsLong;
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}
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inline char FourCC::operator[](int i) const
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{
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return code[i];
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}
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inline FourCC& FourCC::operator=(unsigned long val)
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{
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codeAsLong = val;
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return *this;
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}
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inline std::ostream& operator<<(std::ostream& os, const FourCC& rhs)
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{
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return rhs.put(os);
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}
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#endif
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