LSSTApplications  20.0.0
LSSTDataManagementBasePackage
ZoomMap.h
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22 #ifndef ASTSHIM_ZOOMMAP_H
23 #define ASTSHIM_ZOOMMAP_H
24 
25 #include <memory>
26 
27 #include "astshim/base.h"
28 #include "astshim/Mapping.h"
29 
30 namespace ast {
31 
45 class ZoomMap : public Mapping {
46  friend class Object;
47 
48 public:
61  explicit ZoomMap(int ncoord, double zoom, std::string const &options = "")
62  : Mapping(reinterpret_cast<AstMapping *>(astZoomMap(ncoord, zoom, "%s", options.c_str()))) {
63  assertOK();
64  }
65 
66  virtual ~ZoomMap() {}
67 
69  ZoomMap(ZoomMap const &) = default;
70  ZoomMap(ZoomMap &&) = default;
71  ZoomMap &operator=(ZoomMap const &) = delete;
72  ZoomMap &operator=(ZoomMap &&) = default;
73 
75  std::shared_ptr<ZoomMap> copy() const { return std::static_pointer_cast<ZoomMap>(copyPolymorphic()); }
76 
78  double getZoom() const { return getF("Zoom"); }
79 
80 protected:
81  virtual std::shared_ptr<Object> copyPolymorphic() const override {
82  return copyImpl<ZoomMap, AstZoomMap>();
83  }
84 
86  explicit ZoomMap(AstZoomMap *rawptr) : Mapping(reinterpret_cast<AstMapping *>(rawptr)) {
87  if (!astIsAZoomMap(getRawPtr())) {
89  os << "this is a " << getClassName() << ", which is not a ZoomMap";
90  throw std::invalid_argument(os.str());
91  }
92  }
93 };
94 
95 } // namespace ast
96 
97 #endif
ast::Object::getF
float getF(std::string const &attrib) const
Get the value of an attribute as a float.
Definition: Object.h:387
std::string
STL class.
std::shared_ptr
STL class.
ast::ZoomMap::ZoomMap
ZoomMap(int ncoord, double zoom, std::string const &options="")
Create a ZoomMap.
Definition: ZoomMap.h:61
ast::assertOK
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST's state is bad.
Definition: base.cc:49
ast::Mapping
An abstract base class for objects which transform one set of coordinates to another.
Definition: Mapping.h:59
base.h
ast::ZoomMap::operator=
ZoomMap & operator=(ZoomMap const &)=delete
ast::ZoomMap
A Mapping which "zooms" a set of points about the origin by multiplying all coordinate values by the ...
Definition: ZoomMap.h:45
ast::Object
Abstract base class for all AST objects.
Definition: Object.h:51
ast::ZoomMap::ZoomMap
ZoomMap(AstZoomMap *rawptr)
Construct a ZoomMap from a raw AST pointer.
Definition: ZoomMap.h:86
ast::ZoomMap::operator=
ZoomMap & operator=(ZoomMap &&)=default
ast::Object::getClassName
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition: Object.h:139
ast::ZoomMap::~ZoomMap
virtual ~ZoomMap()
Definition: ZoomMap.h:66
ast::ZoomMap::ZoomMap
ZoomMap(ZoomMap const &)=default
Copy constructor: make a deep copy.
ast::ZoomMap::getZoom
double getZoom() const
Get Zoom: scale factor.
Definition: ZoomMap.h:78
ast::ZoomMap::ZoomMap
ZoomMap(ZoomMap &&)=default
std::invalid_argument
STL class.
std::ostringstream
STL class.
ast
AST wrapper classes and functions.
Definition: attributes_channel.dox:1
os
std::ostream * os
Definition: Schema.cc:746
ast::ZoomMap::copyPolymorphic
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition: ZoomMap.h:81
Mapping.h
ast::Object::getRawPtr
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition: Object.h:292
ast::ZoomMap::copy
std::shared_ptr< ZoomMap > copy() const
Return a deep copy of this object.
Definition: ZoomMap.h:75
lsst::afw.display.ds9.zoom
def zoom(zoomfac=None, colc=None, rowc=None, frame=None, origin=afwImage.PARENT)
Definition: ds9.py:119