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LSST Data Management Base Package
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ZoomMap.h
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1/*
2 * LSST Data Management System
3 * Copyright 2017 AURA/LSST.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
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
30namespace ast {
31
45class ZoomMap : public Mapping {
46 friend class Object;
47
48public:
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
80protected:
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
std::ostream * os
Definition: Schema.cc:557
An abstract base class for objects which transform one set of coordinates to another.
Definition: Mapping.h:59
Abstract base class for all AST objects.
Definition: Object.h:51
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition: Object.h:139
float getF(std::string const &attrib) const
Get the value of an attribute as a float.
Definition: Object.h:387
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition: Object.h:292
A Mapping which "zooms" a set of points about the origin by multiplying all coordinate values by the ...
Definition: ZoomMap.h:45
ZoomMap(ZoomMap const &)=default
Copy constructor: make a deep copy.
ZoomMap & operator=(ZoomMap const &)=delete
std::shared_ptr< ZoomMap > copy() const
Return a deep copy of this object.
Definition: ZoomMap.h:75
ZoomMap(ZoomMap &&)=default
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition: ZoomMap.h:81
virtual ~ZoomMap()
Definition: ZoomMap.h:66
ZoomMap(AstZoomMap *rawptr)
Construct a ZoomMap from a raw AST pointer.
Definition: ZoomMap.h:86
ZoomMap & operator=(ZoomMap &&)=default
ZoomMap(int ncoord, double zoom, std::string const &options="")
Create a ZoomMap.
Definition: ZoomMap.h:61
double getZoom() const
Get Zoom: scale factor.
Definition: ZoomMap.h:78
AST wrapper classes and functions.
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST's state is bad.
Definition: base.cc:49