NanoWidget Class Reference

#include <NanoVG.hpp>

Inheritance diagram for NanoWidget:

Public Member Functions
	NanoWidget (Window &parent)
Public Member Functions inherited from Widget
	Widget (Window &parent)
virtual	~Widget ()
bool	isVisible () const noexcept
void	setVisible (bool yesNo)
void	show ()
void	hide ()
uint	getWidth () const noexcept
uint	getHeight () const noexcept
const Size< uint > &	getSize () const noexcept
void	setWidth (uint width) noexcept
void	setHeight (uint height) noexcept
void	setSize (uint width, uint height) noexcept
void	setSize (const Size< uint > &size) noexcept
int	getAbsoluteX () const noexcept
int	getAbsoluteY () const noexcept
const Point< int > &	getAbsolutePos () const noexcept
void	setAbsoluteX (int x) noexcept
void	setAbsoluteY (int y) noexcept
void	setAbsolutePos (int x, int y) noexcept
void	setAbsolutePos (const Point< int > &pos) noexcept
App &	getParentApp () const noexcept
Window &	getParentWindow () const noexcept
bool	contains (int x, int y) const noexcept
bool	contains (const Point< int > &pos) const noexcept
void	repaint () noexcept
uint	getId () const noexcept
void	setId (uint id) noexcept
Public Member Functions inherited from NanoVG
	NanoVG ()
	NanoVG (const int textAtlasWidth, const int textAtlasHeight)
virtual	~NanoVG ()
NVGcontext *	getContext () const noexcept
void	beginFrame (const uint width, const uint height, const float scaleFactor=1.0f, const Alpha alpha=PREMULTIPLIED_ALPHA)
void	beginFrame (Widget *const widget)
void	endFrame ()
void	save ()
void	restore ()
void	reset ()
void	strokeColor (const Color &color)
void	strokeColor (const int red, const int green, const int blue, const int alpha=255)
void	strokeColor (const float red, const float green, const float blue, const float alpha=1.0f)
void	strokePaint (const Paint &paint)
void	fillColor (const Color &color)
void	fillColor (const int red, const int green, const int blue, const int alpha=255)
void	fillColor (const float red, const float green, const float blue, const float alpha=1.0f)
void	fillPaint (const Paint &paint)
void	miterLimit (float limit)
void	strokeWidth (float size)
void	lineCap (LineCap cap=BUTT)
void	lineJoin (LineCap join=MITER)
void	resetTransform ()
void	transform (float a, float b, float c, float d, float e, float f)
void	translate (float x, float y)
void	rotate (float angle)
void	skewX (float angle)
void	skewY (float angle)
void	scale (float x, float y)
void	currentTransform (float xform[6])
NanoImage *	createImage (const char *filename)
NanoImage *	createImageMem (uchar *data, int ndata)
NanoImage *	createImageRGBA (uint w, uint h, const uchar *data)
Paint	linearGradient (float sx, float sy, float ex, float ey, const Color &icol, const Color &ocol)
Paint	boxGradient (float x, float y, float w, float h, float r, float f, const Color &icol, const Color &ocol)
Paint	radialGradient (float cx, float cy, float inr, float outr, const Color &icol, const Color &ocol)
Paint	imagePattern (float ox, float oy, float ex, float ey, float angle, const NanoImage *image, PatternRepeat repeat)
void	scissor (float x, float y, float w, float h)
void	resetScissor ()
void	beginPath ()
void	moveTo (float x, float y)
void	lineTo (float x, float y)
void	bezierTo (float c1x, float c1y, float c2x, float c2y, float x, float y)
void	arcTo (float x1, float y1, float x2, float y2, float radius)
void	closePath ()
void	pathWinding (Winding dir)
void	arc (float cx, float cy, float r, float a0, float a1, Winding dir)
void	rect (float x, float y, float w, float h)
void	roundedRect (float x, float y, float w, float h, float r)
void	ellipse (float cx, float cy, float rx, float ry)
void	circle (float cx, float cy, float r)
void	fill ()
void	stroke ()
FontId	createFont (const char *name, const char *filename)
FontId	createFontMem (const char *name, const uchar *data, int ndata, bool freeData)
FontId	findFont (const char *name)
void	fontSize (float size)
void	fontBlur (float blur)
void	textLetterSpacing (float spacing)
void	textLineHeight (float lineHeight)
void	textAlign (Align align)
void	textAlign (int align)
void	fontFaceId (FontId font)
void	fontFace (const char *font)
float	text (float x, float y, const char *string, const char *end)
void	textBox (float x, float y, float breakRowWidth, const char *string, const char *end)
float	textBounds (float x, float y, const char *string, const char *end, Rectangle< float > &bounds)
void	textBoxBounds (float x, float y, float breakRowWidth, const char *string, const char *end, float *bounds)
int	textGlyphPositions (float x, float y, const char *string, const char *end, GlyphPosition *positions, int maxPositions)
void	textMetrics (float *ascender, float *descender, float *lineh)
int	textBreakLines (const char *string, const char *end, float breakRowWidth, TextRow *rows, int maxRows)

Protected Member Functions
virtual void	onNanoDisplay ()=0
Protected Member Functions inherited from Widget
virtual bool	onKeyboard (const KeyboardEvent &)
virtual bool	onSpecial (const SpecialEvent &)
virtual bool	onMouse (const MouseEvent &)
virtual bool	onMotion (const MotionEvent &)
virtual bool	onScroll (const ScrollEvent &)
virtual void	onResize (const ResizeEvent &)
void	setNeedsFullViewport (bool yesNo) noexcept
void	setNeedsScaling (bool yesNo) noexcept

Additional Inherited Members
Public Types inherited from NanoVG
enum	Align {   ALIGN_LEFT = 1 << 0, ALIGN_CENTER = 1 << 1, ALIGN_RIGHT = 1 << 2, ALIGN_TOP = 1 << 3,   ALIGN_MIDDLE = 1 << 4, ALIGN_BOTTOM = 1 << 5, ALIGN_BASELINE = 1 << 6 }
enum	Alpha { STRAIGHT_ALPHA, PREMULTIPLIED_ALPHA }
enum	LineCap {   BUTT, ROUND, SQUARE, BEVEL,   MITER }
enum	PatternRepeat { REPEAT_NONE = 0x0, REPEAT_X = 0x1, REPEAT_Y = 0x2 }
enum	Solidity { SOLID = 1, HOLE = 2 }
enum	Winding { CCW = 1, CW = 2 }
typedef int	FontId
Static Public Member Functions inherited from NanoVG
static void	transformIdentity (float dst[6])
static void	transformTranslate (float dst[6], float tx, float ty)
static void	transformScale (float dst[6], float sx, float sy)
static void	transformRotate (float dst[6], float a)
static void	transformSkewX (float dst[6], float a)
static void	transformSkewY (float dst[6], float a)
static void	transformMultiply (float dst[6], const float src[6])
static void	transformPremultiply (float dst[6], const float src[6])
static int	transformInverse (float dst[6], const float src[6])
static void	transformPoint (float &dstx, float &dsty, const float xform[6], float srcx, float srcy)
static float	degToRad (float deg)
static float	radToDeg (float rad)

Detailed Description

NanoVG Widget class.

This class implements the NanoVG drawing API inside a DGL Widget. The drawing function onDisplay() is implemented internally but a new onNanoDisplay() needs to be overridden instead.

Constructor & Destructor Documentation

NanoWidget::NanoWidget ( Window &  parent )

inline

Constructor.

Member Function Documentation

virtual void NanoWidget::onNanoDisplay ( )

protectedpure virtual

New virtual onDisplay function.

See also

onDisplay

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

• dgl/NanoVG.hpp