eve::graphics::Path2D类 参考

Owning backend-neutral 2D vector path. 更多...

#include <PrimitivePath.h>

Public 成员函数
Path2D &	moveTo (glm::vec2 point)
	Starts a new contour at point.
Path2D &	lineTo (glm::vec2 point)
	Adds a straight segment to point.
Path2D &	quadTo (glm::vec2 control, glm::vec2 point)
	Adds a quadratic Bezier segment.
Path2D &	cubicTo (glm::vec2 control1, glm::vec2 control2, glm::vec2 point)
	Adds a cubic Bezier segment.
Path2D &	close ()
	Closes the current contour.
void	clear () noexcept
	Removes all verbs and points while retaining capacity.
std::vector< FlattenedContour2D >	flatten (float tolerance=0.25f, std::uint32_t maxDepth=12) const
	Flattens curves into owning line contours.
void	setFillRule (PathFillRule rule) noexcept
PathFillRule	fillRule () const noexcept
	Fill rule.
bool	empty () const noexcept
	Empty.

详细描述

Owning backend-neutral 2D vector path.

Path mutation and flattening are CPU-only and thread-compatible when each instance has one owner. The object retains no Canvas or backend pointers.

在文件 PrimitivePath.h 第 27 行定义.

成员函数说明

clear()

void eve::graphics::Path2D::clear ( )

noexcept

Removes all verbs and points while retaining capacity.

在文件 PrimitivePath.cpp 第 104 行定义.

close()

Path2D & eve::graphics::Path2D::close

(

)

Closes the current contour.

在文件 PrimitivePath.cpp 第 97 行定义.

引用了 EV_PARAM_CHECK.

cubicTo()

Path2D & eve::graphics::Path2D::cubicTo	(	glm::vec2	control1,
		glm::vec2	control2,
		glm::vec2	point
	)

Adds a cubic Bezier segment.

在文件 PrimitivePath.cpp 第 85 行定义.

引用了 EV_PARAM_CHECK , 以及 point.

empty()

bool eve::graphics::Path2D::empty ( ) const

inlinenoexcept

Empty.

在文件 PrimitivePath.h 第 53 行定义.

fillRule()

PathFillRule eve::graphics::Path2D::fillRule ( ) const

inlinenoexcept

Fill rule.

在文件 PrimitivePath.h 第 51 行定义.

flatten()

std::vector< FlattenedContour2D > eve::graphics::Path2D::flatten	(	float	tolerance = 0.25f,
		std::uint32_t	maxDepth = 12
	)		const

Flattens curves into owning line contours.

参数

tolerance	Maximum control-point deviation in path units; positive and finite.
maxDepth	Hard recursion bound used for adversarial curves.

在文件 PrimitivePath.cpp 第 110 行定义.

引用了 current, end , 以及 EV_PARAM_CHECK.

lineTo()

Path2D & eve::graphics::Path2D::lineTo

(

glm::vec2

point

)

Adds a straight segment to point.

在文件 PrimitivePath.cpp 第 67 行定义.

引用了 EV_PARAM_CHECK , 以及 point.

moveTo()

Path2D & eve::graphics::Path2D::moveTo

(

glm::vec2

point

)

Starts a new contour at point.

在文件 PrimitivePath.cpp 第 59 行定义.

引用了 point.

quadTo()

Path2D & eve::graphics::Path2D::quadTo	(	glm::vec2	control,
		glm::vec2	point
	)

Adds a quadratic Bezier segment.

在文件 PrimitivePath.cpp 第 75 行定义.

引用了 EV_PARAM_CHECK , 以及 point.

setFillRule()

void eve::graphics::Path2D::setFillRule ( PathFillRule  rule )

inlinenoexcept

在文件 PrimitivePath.h 第 49 行定义.

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该类的文档由以下文件生成:

• src/modules/graphics/PrimitivePath.h
• src/modules/graphics/PrimitivePath.cpp