DISTRHO Plugin Framework
Public Member Functions | Protected Member Functions | List of all members
NanoWidget Class Referenceabstract

#include <NanoVG.hpp>

Inheritance diagram for NanoWidget:
Widget NanoVG

Public Member Functions

 NanoWidget (Window &parent, int flags=CREATE_ANTIALIAS)
 
 NanoWidget (Widget *groupWidget, int flags=CREATE_ANTIALIAS)
 
 NanoWidget (NanoWidget *groupWidget)
 
virtual ~NanoWidget ()
 
- Public Member Functions inherited from Widget
 Widget (Window &parent)
 
 Widget (Widget *groupWidget)
 
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
 
Application & 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 (int flags=CREATE_ANTIALIAS)
 
 NanoVG (NanoWidget *groupWidget)
 
virtual ~NanoVG ()
 
NVGcontext * getContext () const noexcept
 
void beginFrame (const uint width, const uint height, const float scaleFactor=1.0f)
 
void beginFrame (Widget *const widget)
 
void cancelFrame ()
 
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 globalAlpha (float alpha)
 
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::Handle createImageFromFile (const char *filename, ImageFlags imageFlags)
 
NanoImage::Handle createImageFromFile (const char *filename, int imageFlags)
 
NanoImage::Handle createImageFromMemory (uchar *data, uint dataSize, ImageFlags imageFlags)
 
NanoImage::Handle createImageFromMemory (uchar *data, uint dataSize, int imageFlags)
 
NanoImage::Handle createImageFromRGBA (uint w, uint h, const uchar *data, ImageFlags imageFlags)
 
NanoImage::Handle createImageFromRGBA (uint w, uint h, const uchar *data, int imageFlags)
 
NanoImage::Handle createImageFromTextureHandle (GLuint textureId, uint w, uint h, ImageFlags imageFlags, bool deleteTexture=false)
 
NanoImage::Handle createImageFromTextureHandle (GLuint textureId, uint w, uint h, int imageFlags, bool deleteTexture=false)
 
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, float alpha)
 
void scissor (float x, float y, float w, float h)
 
void intersectScissor (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 quadTo (float cx, float cy, 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 createFontFromFile (const char *name, const char *filename)
 
FontId createFontFromMemory (const char *name, const uchar *data, uint dataSize, 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=nullptr)
 
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[4])
 
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)
 
virtual void loadSharedResources ()
 

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 &)
 
virtual void onPositionChanged (const PositionChangedEvent &)
 

Additional Inherited Members

- Public Types inherited from NanoVG
enum  CreateFlags { CREATE_ANTIALIAS = 1 << 0, CREATE_STENCIL_STROKES = 1 << 1, CREATE_DEBUG = 1 << 2 }
 
enum  ImageFlags {
  IMAGE_GENERATE_MIPMAPS = 1 << 0, IMAGE_REPEAT_X = 1 << 1, IMAGE_REPEAT_Y = 1 << 2, IMAGE_FLIP_Y = 1 << 3,
  IMAGE_PREMULTIPLIED = 1 << 4
}
 
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  LineCap {
  BUTT, ROUND, SQUARE, BEVEL,
  MITER
}
 
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() [1/3]

NanoWidget::NanoWidget ( Window &  parent,
int  flags = CREATE_ANTIALIAS 
)
explicit

Constructor.

See also
CreateFlags

◆ NanoWidget() [2/3]

NanoWidget::NanoWidget ( Widget *  groupWidget,
int  flags = CREATE_ANTIALIAS 
)
explicit

Constructor for a subwidget.

◆ NanoWidget() [3/3]

NanoWidget::NanoWidget ( NanoWidget *  groupWidget)
explicit

Constructor for a subwidget, reusing a NanoVG context.

◆ ~NanoWidget()

virtual NanoWidget::~NanoWidget ( )
virtual

Destructor.

Member Function Documentation

◆ onNanoDisplay()

virtual void NanoWidget::onNanoDisplay ( )
protectedpure virtual

New virtual onDisplay function.

See also
onDisplay
The documentation for this class was generated from the following file:
Generated on Sun Apr 7 2019 05:47:58 for DISTRHO Plugin Framework by   doxygen 1.8.13