cv::v4d::nvg Namespace Reference

Namespaces
namespace	detail

Classes
struct	GlyphPosition
struct	Paint
struct	TextRow

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	clear (const cv::Scalar &bgra=cv::Scalar(0, 0, 0, 255))
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 &color)
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)
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)

Detailed Description

In general please refer to https://github.com/memononen/nanovg/blob/master/src/nanovg.h for reference.

Function Documentation

addFallbackFont()

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

A forward to nvgAddFallbackFont. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

addFallbackFontId()

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

A forward to nvgAddFallbackFontId. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

arc()

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

A forward to nvgArc. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

arcTo()

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

A forward to nvgArcTo. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

beginPath()

void cv::v4d::nvg::beginPath

(

)

A forward to nvgBeginPath. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

bezierTo()

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

A forward to nvgBezierTo. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

boxGradient()

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

A forward to nvgBoxGradient. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

circle()

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

A forward to nvgCircle. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

clear()

void cv::v4d::nvg::clear

(

const cv::Scalar &

bgra = cv::Scalar(0, 0, 0, 255)

)

closePath()

void cv::v4d::nvg::closePath

(

)

A forward to nvgClosePath. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

createFont()

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

A forward to nvgCreateFont. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

createFontMem()

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

A forward to nvgCreateFontMem. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

createImage()

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

createImageMem()

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

createImageRGBA()

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

currentTransform()

void cv::v4d::nvg::currentTransform

(

float *

xform

)

A forward to nvgCurrentTransform. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

degToRad()

float cv::v4d::nvg::degToRad

(

float

deg

)

A forward to nvgDegToRad. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

deleteImage()

void cv::v4d::nvg::deleteImage

(

int

image

)

ellipse()

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

A forward to nvgEllipse. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

fill()

void cv::v4d::nvg::fill

(

)

A forward to nvgFill. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

fillColor()

void cv::v4d::nvg::fillColor

(

const cv::Scalar &

color

)

A forward to nvgFillColor. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

fillPaint()

void cv::v4d::nvg::fillPaint

(

Paint

paint

)

A forward to nvgFillPaint. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

findFont()

int cv::v4d::nvg::findFont

(

const char *

name

)

A forward to nvgFindFont. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

fontBlur()

void cv::v4d::nvg::fontBlur

(

float

blur

)

A forward to nvgFontBlur. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

fontFace()

void cv::v4d::nvg::fontFace

(

const char *

font

)

A forward to nvgFontFace. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

fontFaceId()

void cv::v4d::nvg::fontFaceId

(

int

font

)

A forward to nvgFontFaceId. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

fontSize()

void cv::v4d::nvg::fontSize

(

float

size

)

A forward to nvgFontSize. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

globalAlpha()

void cv::v4d::nvg::globalAlpha

(

float

alpha

)

A forward to nvgGlobalAlpha. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

imagePattern()

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

A forward to nvgImagePattern. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

imageSize()

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

intersectScissor()

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

A forward to nvgIntersectScissor. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

linearGradient()

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

A forward to nvgLinearGradient. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

lineCap()

void cv::v4d::nvg::lineCap

(

int

cap

)

A forward to nvgLineCap. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

lineJoin()

void cv::v4d::nvg::lineJoin

(

int

join

)

A forward to nvgLineJoin. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

lineTo()

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

A forward to nvgLineTo. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

miterLimit()

void cv::v4d::nvg::miterLimit

(

float

limit

)

A forward to nvgMiterLimit. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

moveTo()

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

A forward to nvgMoveTo. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

pathWinding()

void cv::v4d::nvg::pathWinding

(

int

dir

)

A forward to nvgPathWinding. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

quadTo()

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

A forward to nvgQuadTo. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

radialGradient()

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

A forward to nvgRadialGradient. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

radToDeg()

float cv::v4d::nvg::radToDeg

(

float

rad

)

A forward to nvgRadToDeg. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

rect()

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

A forward to nvgRect. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

reset()

void cv::v4d::nvg::reset

(

)

A forward to nvgReset. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

resetScissor()

void cv::v4d::nvg::resetScissor

(

)

A forward to nvgRresetScissor. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

resetTransform()

void cv::v4d::nvg::resetTransform

(

)

A forward to nvgResetTransform. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

restore()

void cv::v4d::nvg::restore

(

)

A forward to nvgRestore. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

rotate()

void cv::v4d::nvg::rotate

(

float

angle

)

A forward to nvgRotate. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

roundedRect()

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

A forward to nvgRoundedRect. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

roundedRectVarying()

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

A forward to nvgRoundedRectVarying. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

save()

void cv::v4d::nvg::save

(

)

A forward to nvgSave. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

scale()

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

A forward to nvgScale. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

scissor()

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

A forward to nvgScissor. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

skewX()

void cv::v4d::nvg::skewX

(

float

angle

)

A forward to nvgSkewX. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

skewY()

void cv::v4d::nvg::skewY

(

float

angle

)

A forward to nvgSkewY. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

stroke()

void cv::v4d::nvg::stroke

(

)

A forward to nvgStroke. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

strokeColor()

void cv::v4d::nvg::strokeColor

(

const cv::Scalar &

bgra

)

 A forward to nvgShapeAntiAlias. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h
‍/

CV_EXPORTS void shapeAntiAlias(int enabled); /*! A forward to nvgStrokeColor. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

strokePaint()

void cv::v4d::nvg::strokePaint

(

Paint

paint

)

A forward to nvgStrokePaint. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

strokeWidth()

void cv::v4d::nvg::strokeWidth

(

float

size

)

A forward to nvgStrokeWidth. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

text()

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

A forward to nvgText. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textAlign()

void cv::v4d::nvg::textAlign

(

int

align

)

A forward to nvgTextAlign. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textBounds()

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

A forward to nvgTextBounds. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textBox()

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

A forward to nvgTextBox. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textBoxBounds()

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

A forward to nvgTextBoxBounds. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textBreakLines()

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

A forward to nvgTextBreakLines. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textGlyphPositions()

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

A forward to nvgTextGlyphPositions. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textLetterSpacing()

void cv::v4d::nvg::textLetterSpacing

(

float

spacing

)

A forward to nvgTextLetterSpacing. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textLineHeight()

void cv::v4d::nvg::textLineHeight

(

float

lineHeight

)

A forward to nvgTextLineHeight. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

textMetrics()

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

A forward to nvgTextMetrics. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transform()

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

A forward to nvgTransform. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformIdentity()

void cv::v4d::nvg::transformIdentity

(

float *

dst

)

A forward to nvgTransformIdentity. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformInverse()

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

A forward to nvgTransformInverse. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformMultiply()

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

A forward to nvgTransformMultiply. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformPoint()

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

A forward to nvgTransformPoint. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformPremultiply()

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

A forward to nvgTransformPremultiply. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformRotate()

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

A forward to nvgTransformRotate. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformScale()

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

A forward to nvgTransformScale. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformSkewX()

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

A forward to nvgTransformSkewX. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformSkewY()

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

A forward to nvgTransformSkewY. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

transformTranslate()

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

A forward to nvgTransformTranslate. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

translate()

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

A forward to nvgTranslate. See https://github.com/memononen/nanovg/blob/master/src/nanovg.h

updateImage()

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