juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType > Class Template Reference

#include <juce_RenderingHelpers.h>

Inheritance diagram for juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >:

Collaboration diagram for juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >:

Public Member Functions
	StackBasedLowLevelGraphicsContext (uint64_t frameIn)
void	addTransform (const AffineTransform &t) override
void	beginTransparencyLayer (float opacity) override
bool	clipRegionIntersects (const Rectangle< int > &r) override
void	clipToImageAlpha (const Image &im, const AffineTransform &t) override
void	clipToPath (const Path &path, const AffineTransform &t) override
bool	clipToRectangle (const Rectangle< int > &r) override
bool	clipToRectangleList (const RectangleList< int > &r) override
virtual void	drawEllipse (const Rectangle< float > &area, float lineThickness)
void	drawGlyphs (Span< const uint16_t > glyphs, Span< const Point< float > > positions, const AffineTransform &t) override
	Uses the current font to draw the provided glyph numbers.
void	drawImage (const Image &im, const AffineTransform &t) override
void	drawLine (const Line< float > &line) override
virtual void	drawLineWithThickness (const Line< float > &line, float lineThickness)
virtual void	drawRect (const Rectangle< float > &rect, float lineThickness)
virtual void	drawRoundedRectangle (const Rectangle< float > &r, float cornerSize, float lineThickness)
void	endTransparencyLayer () override
void	excludeClipRectangle (const Rectangle< int > &r) override
virtual void	fillAll ()
virtual void	fillEllipse (const Rectangle< float > &area)
void	fillPath (const Path &path, const AffineTransform &t) override
void	fillRect (const Rectangle< float > &r) override
void	fillRect (const Rectangle< int > &r, bool replace) override
void	fillRectList (const RectangleList< float > &list) override
virtual void	fillRoundedRectangle (const Rectangle< float > &r, float cornerSize)
Rectangle< int >	getClipBounds () const override
const Font &	getFont () override
uint64_t	getFrameId () const override
	Returns an integer that uniquely identifies the current frame.
float	getPhysicalPixelScaleFactor () const override
virtual std::unique_ptr< ImageType >	getPreferredImageTypeForTemporaryImages () const =0
	Returns the optimal ImageType for creating temporary images in this GraphicsContext.
bool	isClipEmpty () const override
bool	isVectorDevice () const override
	Returns true if this device is vector-based, e.g.
void	restoreState () override
void	saveState () override
void	setFill (const FillType &fillType) override
void	setFont (const Font &newFont) override
void	setInterpolationQuality (Graphics::ResamplingQuality quality) override
void	setOpacity (float newOpacity) override
void	setOrigin (Point< int > o) override
	Moves the origin to a new position.
virtual void	strokePath (const Path &path, const PathStrokeType &strokeType, const AffineTransform &transform)

Protected Member Functions
	StackBasedLowLevelGraphicsContext ()=default
	StackBasedLowLevelGraphicsContext (SavedStateType *initialState)
void	drawGlyph (uint16_t i, const AffineTransform &t)

Protected Attributes
uint64_t	frame = 0
RenderingHelpers::SavedStateStack< SavedStateType >	stack

Constructor & Destructor Documentation

StackBasedLowLevelGraphicsContext() [1/3]

template<class SavedStateType >

juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::StackBasedLowLevelGraphicsContext ( uint64_t  frameIn )

inlineexplicit

StackBasedLowLevelGraphicsContext() [2/3]

template<class SavedStateType >

juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::StackBasedLowLevelGraphicsContext ( SavedStateType *  initialState )

inlineexplicitprotected

StackBasedLowLevelGraphicsContext() [3/3]

template<class SavedStateType >

juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::StackBasedLowLevelGraphicsContext ( )

protecteddefault

Member Function Documentation

addTransform()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::addTransform ( const AffineTransform &  t )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

beginTransparencyLayer()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::beginTransparencyLayer ( float  opacity )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::SavedStateStack< StateObjectType >::beginTransparencyLayer(), and juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

clipRegionIntersects()

template<class SavedStateType >

bool juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipRegionIntersects ( const Rectangle< int > &  r )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

clipToImageAlpha()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToImageAlpha ( const Image &  im, const AffineTransform &  t  )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

clipToPath()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToPath ( const Path &  path, const AffineTransform &  t  )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

clipToRectangle()

template<class SavedStateType >

bool juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToRectangle ( const Rectangle< int > &  r )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

clipToRectangleList()

template<class SavedStateType >

bool juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToRectangleList ( const RectangleList< int > &  r )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

drawEllipse()

virtual void juce::LowLevelGraphicsContext::drawEllipse ( const Rectangle< float > &  area, float  lineThickness  )

inlinevirtualinherited

Reimplemented in juce::CoreGraphicsContext, and juce::Direct2DGraphicsContext.

References juce::approximatelyEqual(), juce::Rectangle< ValueType >::expanded(), juce::Rectangle< ValueType >::getHeight(), juce::Rectangle< ValueType >::getWidth(), and juce::Rectangle< ValueType >::reduced().

drawGlyph()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawGlyph ( uint16_t  i, const AffineTransform &  t  )

inlineprotected

References juce::AffineTransform::followedBy(), juce::RenderingHelpers::GlyphCache::getInstance(), juce::roundToInt(), juce::AffineTransform::scale(), and juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

Referenced by juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawGlyphs().

drawGlyphs()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawGlyphs ( Span< const uint16_t >  , Span< const Point< float > >  , const AffineTransform &    )

inlineoverridevirtual

Uses the current font to draw the provided glyph numbers.

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawGlyph(), juce::enumerate(), juce::AffineTransform::followedBy(), jassert, juce::Span< Value, Extent >::size(), and juce::AffineTransform::translation().

drawImage()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawImage ( const Image &  im, const AffineTransform &  t  )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

drawLine()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawLine ( const Line< float > &  line )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

drawLineWithThickness()

virtual void juce::LowLevelGraphicsContext::drawLineWithThickness ( const Line< float > &  line, float  lineThickness  )

inlinevirtualinherited

Reimplemented in juce::Direct2DGraphicsContext, and juce::CoreGraphicsContext.

drawRect()

virtual void juce::LowLevelGraphicsContext::drawRect ( const Rectangle< float > &  rect, float  lineThickness  )

inlinevirtualinherited

Reimplemented in juce::Direct2DGraphicsContext.

References juce::RectangleList< ValueType >::addWithoutMerging().

drawRoundedRectangle()

virtual void juce::LowLevelGraphicsContext::drawRoundedRectangle ( const Rectangle< float > &  r, float  cornerSize, float  lineThickness  )

inlinevirtualinherited

Reimplemented in juce::Direct2DGraphicsContext, and juce::CoreGraphicsContext.

endTransparencyLayer()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::endTransparencyLayer ( )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::SavedStateStack< StateObjectType >::endTransparencyLayer(), and juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

excludeClipRectangle()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::excludeClipRectangle ( const Rectangle< int > &  r )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

fillAll()

virtual void juce::LowLevelGraphicsContext::fillAll ( )

inlinevirtualinherited

Reimplemented in juce::CoreGraphicsContext.

fillEllipse()

virtual void juce::LowLevelGraphicsContext::fillEllipse ( const Rectangle< float > &  area )

inlinevirtualinherited

Reimplemented in juce::CoreGraphicsContext, and juce::Direct2DGraphicsContext.

fillPath()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillPath ( const Path &  path, const AffineTransform &  t  )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

fillRect() [1/2]

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillRect ( const Rectangle< float > &  r )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

fillRect() [2/2]

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillRect ( const Rectangle< int > &  r, bool  replace  )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

fillRectList()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillRectList ( const RectangleList< float > &  list )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::list, and juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

fillRoundedRectangle()

virtual void juce::LowLevelGraphicsContext::fillRoundedRectangle ( const Rectangle< float > &  r, float  cornerSize  )

inlinevirtualinherited

Reimplemented in juce::Direct2DGraphicsContext, and juce::CoreGraphicsContext.

getClipBounds()

template<class SavedStateType >

Rectangle< int > juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getClipBounds ( ) const

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

getFont()

template<class SavedStateType >

const Font & juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getFont ( )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

getFrameId()

template<class SavedStateType >

uint64_t juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getFrameId ( ) const

inlineoverridevirtual

Returns an integer that uniquely identifies the current frame.

Useful for debugging/logging.

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::frame.

getPhysicalPixelScaleFactor()

template<class SavedStateType >

float juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getPhysicalPixelScaleFactor ( ) const

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

getPreferredImageTypeForTemporaryImages()

virtual std::unique_ptr< ImageType > juce::LowLevelGraphicsContext::getPreferredImageTypeForTemporaryImages ( ) const

pure virtualinherited

Returns the optimal ImageType for creating temporary images in this GraphicsContext.

While this typically matches the GraphicsContext's native ImageType, certain scenarios may benefit from using a different format for temporary operations (e.g., for performance, memory efficiency, or specific rendering requirements).

Returns

A unique_ptr to the recommended ImageType instance for temporary images

Implemented in juce::LowLevelGraphicsSoftwareRenderer, juce::CoreGraphicsContext, and juce::Direct2DGraphicsContext.

isClipEmpty()

template<class SavedStateType >

bool juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::isClipEmpty ( ) const

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

isVectorDevice()

template<class SavedStateType >

bool juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::isVectorDevice ( ) const

inlineoverridevirtual

Returns true if this device is vector-based, e.g.

a printer.

Implements juce::LowLevelGraphicsContext.

restoreState()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::restoreState ( )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::SavedStateStack< StateObjectType >::restore(), and juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

saveState()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::saveState ( )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::SavedStateStack< StateObjectType >::save(), and juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

setFill()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setFill ( const FillType &  fillType )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

setFont()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setFont ( const Font &  newFont )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

setInterpolationQuality()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setInterpolationQuality ( Graphics::ResamplingQuality  quality )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

setOpacity()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setOpacity ( float  newOpacity )

inlineoverridevirtual

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

setOrigin()

template<class SavedStateType >

void juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setOrigin ( Point< int >  )

inlineoverridevirtual

Moves the origin to a new position.

The coordinates are relative to the current origin, and indicate the new position of (0, 0).

Implements juce::LowLevelGraphicsContext.

References juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack.

strokePath()

virtual void juce::LowLevelGraphicsContext::strokePath ( const Path &  path, const PathStrokeType &  strokeType, const AffineTransform &  transform  )

inlinevirtualinherited

Reimplemented in juce::Direct2DGraphicsContext, and juce::CoreGraphicsContext.

References juce::PathStrokeType::createStrokedPath().

Member Data Documentation

frame

template<class SavedStateType >

uint64_t juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::frame = 0

protected

Referenced by juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getFrameId().

stack

template<class SavedStateType >

RenderingHelpers::SavedStateStack<SavedStateType> juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::stack

protected

Referenced by juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::addTransform(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::beginTransparencyLayer(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipRegionIntersects(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToImageAlpha(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToPath(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToRectangle(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::clipToRectangleList(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawGlyph(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawImage(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::drawLine(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::endTransparencyLayer(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::excludeClipRectangle(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillPath(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillRect(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillRect(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::fillRectList(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getClipBounds(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getFont(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::getPhysicalPixelScaleFactor(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::isClipEmpty(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::restoreState(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::saveState(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setFill(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setFont(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setInterpolationQuality(), juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setOpacity(), and juce::RenderingHelpers::StackBasedLowLevelGraphicsContext< SavedStateType >::setOrigin().

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

• juce_RenderingHelpers.h