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Geometry.h
// This may look like C code, but it is really -*- C++ -*-
//
// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002
//
// Copyright @ 2014 ImageMagick Studio LLC, a non-profit organization
// dedicated to making software imaging solutions freely available.
//
// Geometry Definition
//
// Representation of an ImageMagick geometry specification
// X11 geometry specification plus hints
#if !defined (Magick_Geometry_header)
#define Magick_Geometry_header
#include "Magick++/Include.h"
#include <string>
namespace Magick
{
class MagickPPExport Geometry;
// Compare two Geometry objects regardless of LHS/RHS
MagickPPExport int operator ==
(const Magick::Geometry& left_,const Magick::Geometry& right_);
MagickPPExport int operator !=
(const Magick::Geometry& left_,const Magick::Geometry& right_);
MagickPPExport int operator >
(const Magick::Geometry& left_,const Magick::Geometry& right_);
MagickPPExport int operator <
(const Magick::Geometry& left_,const Magick::Geometry& right_);
MagickPPExport int operator >=
(const Magick::Geometry& left_,const Magick::Geometry& right_);
MagickPPExport int operator <=
(const Magick::Geometry& left_,const Magick::Geometry& right_);
class MagickPPExport Geometry
{
public:
// Default constructor
Geometry();
// Construct Geometry from specified string
Geometry(const char *geometry_);
// Copy constructor
Geometry(const Geometry &geometry_);
// Construct Geometry from specified string
Geometry(const std::string &geometry_);
// Construct Geometry from specified dimensions
Geometry(size_t width_,size_t height_,::ssize_t xOff_=0,
::ssize_t yOff_=0);
// Destructor
~Geometry(void);
// Set via geometry string
const Geometry& operator=(const char *geometry_);
// Assignment operator
Geometry& operator=(const Geometry& Geometry_);
// Set via geometry string
const Geometry& operator=(const std::string &geometry_);
// Return geometry string
operator std::string() const;
// Resize without preserving aspect ratio (!)
void aspect(bool aspect_);
bool aspect(void) const;
// Resize the image based on the smallest fitting dimension (^)
void fillArea(bool fillArea_);
bool fillArea(void) const;
// Resize if image is greater than size (>)
void greater(bool greater_);
bool greater(void) const;
// Height
void height(size_t height_);
size_t height(void) const;
// Does object contain valid geometry?
void isValid(bool isValid_);
bool isValid(void) const;
// Resize if image is less than size (<)
void less(bool less_);
bool less(void) const;
// Resize using a pixel area count limit (@)
void limitPixels(bool limitPixels_);
bool limitPixels(void) const;
// Width and height are expressed as percentages
void percent(bool percent_);
bool percent(void) const;
// Width
void width(size_t width_);
size_t width(void) const;
// X offset from origin
void xOff(::ssize_t xOff_);
::ssize_t xOff(void) const;
// Y offset from origin
void yOff(::ssize_t yOff_);
::ssize_t yOff(void) const;
//
// Public methods below this point are for Magick++ use only.
//
// Construct from RectangleInfo
Geometry(const MagickCore::RectangleInfo &rectangle_);
// Set via RectangleInfo
const Geometry& operator=(const MagickCore::RectangleInfo &rectangle_);
// Return an ImageMagick RectangleInfo struct
operator MagickCore::RectangleInfo() const;
private:
size_t _width;
size_t _height;
::ssize_t _xOff;
::ssize_t _yOff;
bool _isValid;
bool _percent; // Interpret width & height as percentages (%)
bool _aspect; // Force exact size (!)
bool _greater; // Resize only if larger than geometry (>)
bool _less; // Resize only if smaller than geometry (<)
bool _fillArea; // Resize the image based on the smallest fitting dimension (^)
bool _limitPixels; // Resize using a pixel area count limit (@)
};
class MagickPPExport Offset;
// Compare two Offset objects
MagickPPExport int operator ==
(const Magick::Offset& left_,const Magick::Offset& right_);
MagickPPExport int operator !=
(const Magick::Offset& left_,const Magick::Offset& right_);
class MagickPPExport Offset
{
public:
// Default constructor
Offset();
// Construct Offset from specified string
Offset(const char *offset_);
// Copy constructor
Offset(const Offset &offset_);
// Construct Offset from specified string
Offset(const std::string &offset_);
// Construct Offset from specified x and y
Offset(ssize_t x_,ssize_t y_);
// Destructor
~Offset(void);
// Set via offset string
const Offset& operator=(const char *offset_);
// Assignment operator
Offset& operator=(const Offset& offset_);
// Set via offset string
const Offset& operator=(const std::string &offset_);
// X offset from origin
ssize_t x(void) const;
// Y offset from origin
ssize_t y(void) const;
//
// Public methods below this point are for Magick++ use only.
//
// Return an ImageMagick OffsetInfo struct
operator MagickCore::OffsetInfo() const;
private:
ssize_t _x;
ssize_t _y;
};
class MagickPPExport Point;
// Compare two Point objects
MagickPPExport int operator ==
(const Magick::Point& left_,const Magick::Point& right_);
MagickPPExport int operator !=
(const Magick::Point& left_,const Magick::Point& right_);
class MagickPPExport Point
{
public:
// Default constructor
Point();
// Construct Point from specified string
Point(const char *point_);
// Copy constructor
Point(const Point &point_);
// Construct Point from specified string
Point(const std::string &point_);
// Construct Point from specified x and y
Point(double x_,double y_);
// Construct Point from specified x y
Point(double xy_);
// Destructor
~Point(void);
// Set via point string
const Point& operator=(const char *point_);
// Set via double value
const Point& operator=(double xy_);
// Assignment operator
Point& operator=(const Point& point_);
// Set via point string
const Point& operator=(const std::string &point_);
// Return point string
operator std::string() const;
// Does object contain valid point?
bool isValid() const;
// X offset from origin
double x(void) const;
// Y offset from origin
double y(void) const;
private:
double _x;
double _y;
};
} // namespace Magick
#endif // Magick_Geometry_header
Magick::Geometry
Definition Geometry.h:38
Magick::Offset
Definition Geometry.h:152
Magick::Point
Definition Geometry.h:209