1 files changed, 94 insertions, 0 deletions
diff --git a/tksao/fitsy++/compress.h b/tksao/fitsy++/compress.h
new file mode 100644
index 0000000..938de7b
--- /dev/null
+++ b/tksao/fitsy++/compress.h
@@ -0,0 +1,94 @@
+// Copyright (C) 1999-2016
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+#ifndef __fitscompress_h__
+#define __fitscompress_h__
+
+#include "file.h"
+
+class FitsCompress : public FitsFile {
+ public:
+  enum QuantMethod {NODITHER,SUBDITHER1,SUBDITHER2};
+
+ protected:
+  int bitpix_;
+  char* type_;
+  int width_;
+  int height_;
+  int depth_;
+  int ww_;
+  int hh_;
+  int dd_;
+  double bscale_;
+  double bzero_;
+  unsigned int blank_;
+  char* zmaskcmp_;
+  
+  size_t tilesize_;
+  size_t size_;
+
+  FitsColumn* gzcompress_;
+  FitsColumn* compress_;
+  FitsColumn* uncompress_;
+  FitsColumn* zscale_;
+  FitsColumn* zzero_;
+  FitsColumn* zblank_;
+  FitsColumn* null_;
+
+  int hasScaling_;
+  int hasBlank_;
+
+  QuantMethod quantize_;
+  int quantOffset_;
+
+  int numRandom_;
+  float* random_;
+  int randSeed_;
+  int randNext_;
+
+ protected:
+  int initHeader(FitsFile*);
+  void initRandom(int);
+
+  double unquantize(double, double, double);
+  double unquantizeZero(double, double, double);
+
+ public:
+  FitsCompress(FitsFile*);
+  virtual ~FitsCompress();
+};
+
+template<class T>
+class FitsCompressm : public FitsCompress {
+ private:
+  int inflate(FitsFile*);
+  void swapBytes();
+
+ protected:
+  T swap(T* ptr);
+
+ protected:
+  void uncompress(FitsFile* fits);
+  int gzcompressed(T*, char*, char*, int, int, int, int, int, int);
+  virtual int compressed(T*, char*, char*, int, int, int, int, int, int) =0;
+  int uncompressed(T*, char*, char*, int, int, int, int, int, int);
+
+  T getValue(char*, double, double, int);
+  T getValue(short*, double, double, int);
+  T getValue(int*, double, double, int);
+  T getValue(long long*, double, double, int);
+  T getValue(float*, double, double, int);
+  T getValue(double*, double, double, int);
+
+ public:
+  FitsCompressm(FitsFile*);
+};
+
+class FitsPostNext : public FitsFile {
+public:
+  FitsPostNext(FitsFile* prev);
+};
+
+#endif
+