cv::v4d::nvg::detail::NVG Class Reference

#include <opencv2/v4d/nvg.hpp>

Public Member Functions
int	addFallbackFont (const char *baseFont, const char *fallbackFont)
int	addFallbackFontId (int baseFont, int fallbackFont)
void	arc (float cx, float cy, float r, float a0, float a1, int dir)
void	arcTo (float x1, float y1, float x2, float y2, float radius)
void	beginPath ()
void	bezierTo (float c1x, float c1y, float c2x, float c2y, float x, float y)
Paint	boxGradient (float x, float y, float w, float h, float r, float f, const cv::Scalar &icol, const cv::Scalar &ocol)
void	circle (float cx, float cy, float r)
void	closePath ()
int	createFont (const char *name, const char *filename)
int	createFontMem (const char *name, unsigned char *data, int ndata, int freeData)
int	createImage (const char *filename, int imageFlags)
int	createImageMem (int imageFlags, unsigned char *data, int ndata)
int	createImageRGBA (int w, int h, int imageFlags, const unsigned char *data)
void	currentTransform (float *xform)
float	degToRad (float deg)
void	deleteImage (int image)
void	ellipse (float cx, float cy, float rx, float ry)
void	fill ()
void	fillColor (const cv::Scalar &bgra)
void	fillPaint (Paint paint)
int	findFont (const char *name)
void	fontBlur (float blur)
void	fontFace (const char *font)
void	fontFaceId (int font)
void	fontSize (float size)
NVGcontext *	getContext ()
void	globalAlpha (float alpha)
Paint	imagePattern (float ox, float oy, float ex, float ey, float angle, int image, float alpha)
void	imageSize (int image, int *w, int *h)
void	intersectScissor (float x, float y, float w, float h)
Paint	linearGradient (float sx, float sy, float ex, float ey, const cv::Scalar &icol, const cv::Scalar &ocol)
void	lineCap (int cap)
void	lineJoin (int join)
void	lineTo (float x, float y)
void	miterLimit (float limit)
void	moveTo (float x, float y)
void	pathWinding (int dir)
void	quadTo (float cx, float cy, float x, float y)
Paint	radialGradient (float cx, float cy, float inr, float outr, const cv::Scalar &icol, const cv::Scalar &ocol)
float	radToDeg (float rad)
void	rect (float x, float y, float w, float h)
void	reset ()
void	resetScissor ()
void	resetTransform ()
void	restore ()
void	rotate (float angle)
void	roundedRect (float x, float y, float w, float h, float r)
void	roundedRectVarying (float x, float y, float w, float h, float radTopLeft, float radTopRight, float radBottomRight, float radBottomLeft)
void	save ()
void	scale (float x, float y)
void	scissor (float x, float y, float w, float h)
void	skewX (float angle)
void	skewY (float angle)
void	stroke ()
void	strokeColor (const cv::Scalar &bgra)
void	strokePaint (Paint paint)
void	strokeWidth (float size)
float	text (float x, float y, const char *string, const char *end)
void	textAlign (int align)
float	textBounds (float x, float y, const char *string, const char *end, float *bounds)
void	textBox (float x, float y, float breakRowWidth, const char *string, const char *end)
void	textBoxBounds (float x, float y, float breakRowWidth, const char *string, const char *end, float *bounds)
int	textBreakLines (const char *string, const char *end, float breakRowWidth, TextRow *rows, int maxRows)
int	textGlyphPositions (float x, float y, const char *string, const char *end, GlyphPosition *positions, int maxPositions)
void	textLetterSpacing (float spacing)
void	textLineHeight (float lineHeight)
void	textMetrics (float *ascender, float *descender, float *lineh)
void	transform (float a, float b, float c, float d, float e, float f)
void	transformIdentity (float *dst)
int	transformInverse (float *dst, const float *src)
void	transformMultiply (float *dst, const float *src)
void	transformPoint (float *dstx, float *dsty, const float *xform, float srcx, float srcy)
void	transformPremultiply (float *dst, const float *src)
void	transformRotate (float *dst, float a)
void	transformScale (float *dst, float sx, float sy)
void	transformSkewX (float *dst, float a)
void	transformSkewY (float *dst, float a)
void	transformTranslate (float *dst, float tx, float ty)
void	translate (float x, float y)
void	updateImage (int image, const unsigned char *data)

Static Public Member Functions
static NVG *	getCurrentContext ()
static void	initializeContext (NVGcontext *ctx)

Friends
class	V4D

Detailed Description

Internal NanoVG singleton that wraps all NanoVG functions.

Member Function Documentation

addFallbackFont()

int cv::v4d::nvg::detail::NVG::addFallbackFont	(	const char *	baseFont,
		const char *	fallbackFont
	)

addFallbackFontId()

int cv::v4d::nvg::detail::NVG::addFallbackFontId	(	int	baseFont,
		int	fallbackFont
	)

arc()

void cv::v4d::nvg::detail::NVG::arc	(	float	cx,
		float	cy,
		float	r,
		float	a0,
		float	a1,
		int	dir
	)

arcTo()

void cv::v4d::nvg::detail::NVG::arcTo	(	float	x1,
		float	y1,
		float	x2,
		float	y2,
		float	radius
	)

beginPath()

void cv::v4d::nvg::detail::NVG::beginPath

(

)

bezierTo()

void cv::v4d::nvg::detail::NVG::bezierTo	(	float	c1x,
		float	c1y,
		float	c2x,
		float	c2y,
		float	x,
		float	y
	)

boxGradient()

Paint cv::v4d::nvg::detail::NVG::boxGradient	(	float	x,
		float	y,
		float	w,
		float	h,
		float	r,
		float	f,
		const cv::Scalar &	icol,
		const cv::Scalar &	ocol
	)

circle()

void cv::v4d::nvg::detail::NVG::circle	(	float	cx,
		float	cy,
		float	r
	)

closePath()

void cv::v4d::nvg::detail::NVG::closePath

(

)

createFont()

int cv::v4d::nvg::detail::NVG::createFont	(	const char *	name,
		const char *	filename
	)

createFontMem()

int cv::v4d::nvg::detail::NVG::createFontMem	(	const char *	name,
		unsigned char *	data,
		int	ndata,
		int	freeData
	)

createImage()

int cv::v4d::nvg::detail::NVG::createImage	(	const char *	filename,
		int	imageFlags
	)

createImageMem()

int cv::v4d::nvg::detail::NVG::createImageMem	(	int	imageFlags,
		unsigned char *	data,
		int	ndata
	)

createImageRGBA()

int cv::v4d::nvg::detail::NVG::createImageRGBA	(	int	w,
		int	h,
		int	imageFlags,
		const unsigned char *	data
	)

currentTransform()

void cv::v4d::nvg::detail::NVG::currentTransform

(

float *

xform

)

degToRad()

float cv::v4d::nvg::detail::NVG::degToRad

(

float

deg

)

deleteImage()

void cv::v4d::nvg::detail::NVG::deleteImage

(

int

image

)

ellipse()

void cv::v4d::nvg::detail::NVG::ellipse	(	float	cx,
		float	cy,
		float	rx,
		float	ry
	)

fill()

void cv::v4d::nvg::detail::NVG::fill

(

)

fillColor()

void cv::v4d::nvg::detail::NVG::fillColor

(

const cv::Scalar &

bgra

)

fillPaint()

void cv::v4d::nvg::detail::NVG::fillPaint

(

Paint

paint

)

findFont()

int cv::v4d::nvg::detail::NVG::findFont

(

const char *

name

)

fontBlur()

void cv::v4d::nvg::detail::NVG::fontBlur

(

float

blur

)

fontFace()

void cv::v4d::nvg::detail::NVG::fontFace

(

const char *

font

)

fontFaceId()

void cv::v4d::nvg::detail::NVG::fontFaceId

(

int

font

)

fontSize()

void cv::v4d::nvg::detail::NVG::fontSize

(

float

size

)

getContext()

NVGcontext * cv::v4d::nvg::detail::NVG::getContext ( )

inline

Get the underlying NVGcontext.

Returns

The underlying NVGcontext.

getCurrentContext()

static NVG * cv::v4d::nvg::detail::NVG::getCurrentContext ( )

static

Get the current NVGcontext.

Returns

The current NVGcontext context.

globalAlpha()

void cv::v4d::nvg::detail::NVG::globalAlpha

(

float

alpha

)

imagePattern()

Paint cv::v4d::nvg::detail::NVG::imagePattern	(	float	ox,
		float	oy,
		float	ex,
		float	ey,
		float	angle,
		int	image,
		float	alpha
	)

imageSize()

void cv::v4d::nvg::detail::NVG::imageSize	(	int	image,
		int *	w,
		int *	h
	)

initializeContext()

static void cv::v4d::nvg::detail::NVG::initializeContext ( NVGcontext *  ctx )

static

Initialize the current NVG object;

Parameters

ctx	The NVGcontext to create the NVG object from.

intersectScissor()

void cv::v4d::nvg::detail::NVG::intersectScissor	(	float	x,
		float	y,
		float	w,
		float	h
	)

linearGradient()

Paint cv::v4d::nvg::detail::NVG::linearGradient	(	float	sx,
		float	sy,
		float	ex,
		float	ey,
		const cv::Scalar &	icol,
		const cv::Scalar &	ocol
	)

lineCap()

void cv::v4d::nvg::detail::NVG::lineCap

(

int

cap

)

lineJoin()

void cv::v4d::nvg::detail::NVG::lineJoin

(

int

join

)

lineTo()

void cv::v4d::nvg::detail::NVG::lineTo	(	float	x,
		float	y
	)

miterLimit()

void cv::v4d::nvg::detail::NVG::miterLimit

(

float

limit

)

moveTo()

void cv::v4d::nvg::detail::NVG::moveTo	(	float	x,
		float	y
	)

pathWinding()

void cv::v4d::nvg::detail::NVG::pathWinding

(

int

dir

)

quadTo()

void cv::v4d::nvg::detail::NVG::quadTo	(	float	cx,
		float	cy,
		float	x,
		float	y
	)

radialGradient()

Paint cv::v4d::nvg::detail::NVG::radialGradient	(	float	cx,
		float	cy,
		float	inr,
		float	outr,
		const cv::Scalar &	icol,
		const cv::Scalar &	ocol
	)

radToDeg()

float cv::v4d::nvg::detail::NVG::radToDeg

(

float

rad

)

rect()

void cv::v4d::nvg::detail::NVG::rect	(	float	x,
		float	y,
		float	w,
		float	h
	)

reset()

void cv::v4d::nvg::detail::NVG::reset

(

)

resetScissor()

void cv::v4d::nvg::detail::NVG::resetScissor

(

)

resetTransform()

void cv::v4d::nvg::detail::NVG::resetTransform

(

)

restore()

void cv::v4d::nvg::detail::NVG::restore

(

)

rotate()

void cv::v4d::nvg::detail::NVG::rotate

(

float

angle

)

roundedRect()

void cv::v4d::nvg::detail::NVG::roundedRect	(	float	x,
		float	y,
		float	w,
		float	h,
		float	r
	)

roundedRectVarying()

void cv::v4d::nvg::detail::NVG::roundedRectVarying	(	float	x,
		float	y,
		float	w,
		float	h,
		float	radTopLeft,
		float	radTopRight,
		float	radBottomRight,
		float	radBottomLeft
	)

save()

void cv::v4d::nvg::detail::NVG::save

(

)

scale()

void cv::v4d::nvg::detail::NVG::scale	(	float	x,
		float	y
	)

scissor()

void cv::v4d::nvg::detail::NVG::scissor	(	float	x,
		float	y,
		float	w,
		float	h
	)

skewX()

void cv::v4d::nvg::detail::NVG::skewX

(

float

angle

)

skewY()

void cv::v4d::nvg::detail::NVG::skewY

(

float

angle

)

stroke()

void cv::v4d::nvg::detail::NVG::stroke

(

)

strokeColor()

void cv::v4d::nvg::detail::NVG::strokeColor

(

const cv::Scalar &

bgra

)

strokePaint()

void cv::v4d::nvg::detail::NVG::strokePaint

(

Paint

paint

)

strokeWidth()

void cv::v4d::nvg::detail::NVG::strokeWidth

(

float

size

)

text()

float cv::v4d::nvg::detail::NVG::text	(	float	x,
		float	y,
		const char *	string,
		const char *	end
	)

textAlign()

void cv::v4d::nvg::detail::NVG::textAlign

(

int

align

)

textBounds()

float cv::v4d::nvg::detail::NVG::textBounds	(	float	x,
		float	y,
		const char *	string,
		const char *	end,
		float *	bounds
	)

textBox()

void cv::v4d::nvg::detail::NVG::textBox	(	float	x,
		float	y,
		float	breakRowWidth,
		const char *	string,
		const char *	end
	)

textBoxBounds()

void cv::v4d::nvg::detail::NVG::textBoxBounds	(	float	x,
		float	y,
		float	breakRowWidth,
		const char *	string,
		const char *	end,
		float *	bounds
	)

textBreakLines()

int cv::v4d::nvg::detail::NVG::textBreakLines	(	const char *	string,
		const char *	end,
		float	breakRowWidth,
		TextRow *	rows,
		int	maxRows
	)

textGlyphPositions()

int cv::v4d::nvg::detail::NVG::textGlyphPositions	(	float	x,
		float	y,
		const char *	string,
		const char *	end,
		GlyphPosition *	positions,
		int	maxPositions
	)

textLetterSpacing()

void cv::v4d::nvg::detail::NVG::textLetterSpacing

(

float

spacing

)

textLineHeight()

void cv::v4d::nvg::detail::NVG::textLineHeight

(

float

lineHeight

)

textMetrics()

void cv::v4d::nvg::detail::NVG::textMetrics	(	float *	ascender,
		float *	descender,
		float *	lineh
	)

transform()

void cv::v4d::nvg::detail::NVG::transform	(	float	a,
		float	b,
		float	c,
		float	d,
		float	e,
		float	f
	)

transformIdentity()

void cv::v4d::nvg::detail::NVG::transformIdentity

(

float *

dst

)

transformInverse()

int cv::v4d::nvg::detail::NVG::transformInverse	(	float *	dst,
		const float *	src
	)

transformMultiply()

void cv::v4d::nvg::detail::NVG::transformMultiply	(	float *	dst,
		const float *	src
	)

transformPoint()

void cv::v4d::nvg::detail::NVG::transformPoint	(	float *	dstx,
		float *	dsty,
		const float *	xform,
		float	srcx,
		float	srcy
	)

transformPremultiply()

void cv::v4d::nvg::detail::NVG::transformPremultiply	(	float *	dst,
		const float *	src
	)

transformRotate()

void cv::v4d::nvg::detail::NVG::transformRotate	(	float *	dst,
		float	a
	)

transformScale()

void cv::v4d::nvg::detail::NVG::transformScale	(	float *	dst,
		float	sx,
		float	sy
	)

transformSkewX()

void cv::v4d::nvg::detail::NVG::transformSkewX	(	float *	dst,
		float	a
	)

transformSkewY()

void cv::v4d::nvg::detail::NVG::transformSkewY	(	float *	dst,
		float	a
	)

transformTranslate()

void cv::v4d::nvg::detail::NVG::transformTranslate	(	float *	dst,
		float	tx,
		float	ty
	)

translate()

void cv::v4d::nvg::detail::NVG::translate	(	float	x,
		float	y
	)

updateImage()

void cv::v4d::nvg::detail::NVG::updateImage	(	int	image,
		const unsigned char *	data
	)

Friends And Related Function Documentation

V4D

friend class V4D

friend

---

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

• opencv2/v4d/nvg.hpp