agg::rect_base< T > Struct Template Reference

#include <src/agg/agg_basics.h>

Inheritance diagram for agg::rect_base< T >:

Collaboration diagram for agg::rect_base< T >:

Public Types
typedef T	value_type
typedef rect_base< T >	self_type

Public Member Functions
	rect_base ()
	rect_base (T x1_, T y1_, T x2_, T y2_)
void	init (T x1_, T y1_, T x2_, T y2_)
const self_type &	normalize ()
bool	clip (const self_type &r)
bool	is_valid () const
bool	hit_test (T x, T y) const
bool	overlaps (const self_type &r) const

Public Attributes
T	x1
T	y1
T	x2
T	y2

Detailed Description

template<class T>
struct agg::rect_base< T >

Member Typedef Documentation

self_type

template<class T >

typedef rect_base<T> agg::rect_base< T >::self_type

value_type

template<class T >

typedef T agg::rect_base< T >::value_type

Constructor & Destructor Documentation

rect_base() [1/2]

template<class T >

agg::rect_base< T >::rect_base ( )

inline

{}

rect_base() [2/2]

template<class T >

agg::rect_base< T >::rect_base ( T  x1_, T  y1_, T  x2_, T  y2_  )

inline

                                              :
            x1(x1_), y1(y1_), x2(x2_), y2(y2_) {}

Member Function Documentation

clip()

template<class T >

bool agg::rect_base< T >::clip ( const self_type &  r )

inline

        {
            if(x2 > r.x2) x2 = r.x2;
            if(y2 > r.y2) y2 = r.y2;
            if(x1 < r.x1) x1 = r.x1;
            if(y1 < r.y1) y1 = r.y1;
            return x1 <= x2 && y1 <= y2;
        }

References agg::rect_base< T >::x1, agg::rect_base< T >::x2, agg::rect_base< T >::y1, and agg::rect_base< T >::y2.

Referenced by agg::pixfmt_alpha_blend_gray< Blender, RenBuf, Step, Offset >::attach(), agg::pixfmt_alpha_blend_rgb< Blender, RenBuf, Step, Offset >::attach(), agg::renderer_base< PixelFormat >::blend_bar(), agg::renderer_base< PixelFormat >::clip_box(), and agg::renderer_base< PixelFormat >::copy_bar().

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hit_test()

template<class T >

bool agg::rect_base< T >::hit_test ( T  x, T  y  ) const

inline

        {
            return (x >= x1 && x <= x2 && y >= y1 && y <= y2);
        }

References agg::rect_base< T >::x1, agg::rect_base< T >::y1, and agg::rect_base< T >::y2.

init()

template<class T >

void agg::rect_base< T >::init ( T  x1_, T  y1_, T  x2_, T  y2_  )

inline

        {
            x1 = x1_; y1 = y1_; x2 = x2_; y2 = y2_; 
        }

References agg::rect_base< T >::x1, agg::rect_base< T >::x2, agg::rect_base< T >::y1, and agg::rect_base< T >::y2.

is_valid()

template<class T >

bool agg::rect_base< T >::is_valid ( ) const

inline

        {
            return x1 <= x2 && y1 <= y2;
        }

References agg::rect_base< T >::x1, agg::rect_base< T >::x2, agg::rect_base< T >::y1, and agg::rect_base< T >::y2.

normalize()

template<class T >

const self_type & agg::rect_base< T >::normalize ( )

inline

        {
            T t;
            if(x1 > x2) { t = x1; x1 = x2; x2 = t; }
            if(y1 > y2) { t = y1; y1 = y2; y2 = t; }
            return *this;
        }

References agg::rect_base< T >::x1, agg::rect_base< T >::x2, agg::rect_base< T >::y1, and agg::rect_base< T >::y2.

Referenced by agg::renderer_base< PixelFormat >::blend_bar(), agg::rasterizer_sl_clip< Conv >::clip_box(), agg::renderer_base< PixelFormat >::clip_box(), and agg::renderer_base< PixelFormat >::copy_bar().

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overlaps()

template<class T >

bool agg::rect_base< T >::overlaps ( const self_type &  r ) const

inline

        {
            return !(r.x1 > x2 || r.x2 < x1
                  || r.y1 > y2 || r.y2 < y1);
        }

References agg::rect_base< T >::x1, agg::rect_base< T >::x2, agg::rect_base< T >::y1, and agg::rect_base< T >::y2.

Member Data Documentation

x1

template<class T >

T agg::rect_base< T >::x1

Referenced by agg::pixfmt_alpha_blend_gray< Blender, RenBuf, Step, Offset >::attach(), agg::pixfmt_alpha_blend_rgb< Blender, RenBuf, Step, Offset >::attach(), agg::renderer_base< PixelFormat >::blend_bar(), agg::renderer_base< PixelFormat >::blend_from(), agg::renderer_base< PixelFormat >::blend_from_color(), agg::renderer_base< PixelFormat >::blend_from_lut(), agg::renderer_base< PixelFormat >::bounding_xmin(), agg::rect_base< T >::clip(), agg::renderer_base< PixelFormat >::clip_box(), agg::renderer_base< PixelFormat >::clip_box_naked(), agg::clip_liang_barsky(), agg::clip_move_point(), agg::renderer_base< PixelFormat >::clip_rect_area(), agg::clipping_flags(), agg::clipping_flags_x(), agg::renderer_base< PixelFormat >::copy_bar(), agg::renderer_base< PixelFormat >::copy_from(), agg::rect_base< T >::hit_test(), agg::renderer_base< PixelFormat >::inbox(), agg::rect_base< T >::init(), agg::rect_base< T >::is_valid(), agg::rasterizer_sl_clip< Conv >::line_to(), agg::rect_base< T >::normalize(), agg::rect_base< T >::overlaps(), agg::renderer_base< PixelFormat >::reset_clipping(), and agg::renderer_base< PixelFormat >::xmin().

x2

template<class T >

T agg::rect_base< T >::x2

Referenced by agg::pixfmt_alpha_blend_gray< Blender, RenBuf, Step, Offset >::attach(), agg::pixfmt_alpha_blend_rgb< Blender, RenBuf, Step, Offset >::attach(), agg::renderer_base< PixelFormat >::blend_bar(), agg::renderer_base< PixelFormat >::blend_from(), agg::renderer_base< PixelFormat >::blend_from_color(), agg::renderer_base< PixelFormat >::blend_from_lut(), agg::renderer_base< PixelFormat >::bounding_xmax(), agg::rect_base< T >::clip(), agg::renderer_base< PixelFormat >::clip_box(), agg::renderer_base< PixelFormat >::clip_box_naked(), agg::clip_liang_barsky(), agg::clip_move_point(), agg::renderer_base< PixelFormat >::clip_rect_area(), agg::clipping_flags(), agg::clipping_flags_x(), agg::renderer_base< PixelFormat >::copy_bar(), agg::renderer_base< PixelFormat >::copy_from(), agg::renderer_base< PixelFormat >::inbox(), agg::rect_base< T >::init(), agg::rect_base< T >::is_valid(), agg::rasterizer_sl_clip< Conv >::line_to(), agg::rect_base< T >::normalize(), agg::rect_base< T >::overlaps(), agg::renderer_base< PixelFormat >::reset_clipping(), and agg::renderer_base< PixelFormat >::xmax().

y1

template<class T >

T agg::rect_base< T >::y1

Referenced by agg::pixfmt_alpha_blend_gray< Blender, RenBuf, Step, Offset >::attach(), agg::pixfmt_alpha_blend_rgb< Blender, RenBuf, Step, Offset >::attach(), agg::renderer_base< PixelFormat >::blend_bar(), agg::renderer_base< PixelFormat >::blend_from(), agg::renderer_base< PixelFormat >::blend_from_color(), agg::renderer_base< PixelFormat >::blend_from_lut(), agg::renderer_base< PixelFormat >::bounding_ymin(), agg::rect_base< T >::clip(), agg::renderer_base< PixelFormat >::clip_box(), agg::renderer_base< PixelFormat >::clip_box_naked(), agg::clip_liang_barsky(), agg::clip_move_point(), agg::renderer_base< PixelFormat >::clip_rect_area(), agg::clipping_flags(), agg::clipping_flags_y(), agg::renderer_base< PixelFormat >::copy_bar(), agg::renderer_base< PixelFormat >::copy_from(), agg::rect_base< T >::hit_test(), agg::renderer_base< PixelFormat >::inbox(), agg::rect_base< T >::init(), agg::rect_base< T >::is_valid(), agg::rasterizer_sl_clip< Conv >::line_clip_y(), agg::rect_base< T >::normalize(), agg::rect_base< T >::overlaps(), agg::renderer_base< PixelFormat >::reset_clipping(), and agg::renderer_base< PixelFormat >::ymin().

y2

template<class T >

T agg::rect_base< T >::y2

Referenced by agg::pixfmt_alpha_blend_gray< Blender, RenBuf, Step, Offset >::attach(), agg::pixfmt_alpha_blend_rgb< Blender, RenBuf, Step, Offset >::attach(), agg::renderer_base< PixelFormat >::blend_bar(), agg::renderer_base< PixelFormat >::blend_from(), agg::renderer_base< PixelFormat >::blend_from_color(), agg::renderer_base< PixelFormat >::blend_from_lut(), agg::renderer_base< PixelFormat >::bounding_ymax(), agg::rect_base< T >::clip(), agg::renderer_base< PixelFormat >::clip_box(), agg::renderer_base< PixelFormat >::clip_box_naked(), agg::clip_liang_barsky(), agg::clip_move_point(), agg::renderer_base< PixelFormat >::clip_rect_area(), agg::clipping_flags(), agg::clipping_flags_y(), agg::renderer_base< PixelFormat >::copy_bar(), agg::renderer_base< PixelFormat >::copy_from(), agg::rect_base< T >::hit_test(), agg::renderer_base< PixelFormat >::inbox(), agg::rect_base< T >::init(), agg::rect_base< T >::is_valid(), agg::rasterizer_sl_clip< Conv >::line_clip_y(), agg::rect_base< T >::normalize(), agg::rect_base< T >::overlaps(), agg::renderer_base< PixelFormat >::reset_clipping(), and agg::renderer_base< PixelFormat >::ymax().

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The documentation for this struct was generated from the following file:

• src/agg/agg_basics.h