juce::CoreGraphicsContext Class Reference

#include <juce_mac_CoreGraphicsContext.h>

Inheritance diagram for juce::CoreGraphicsContext:

Collaboration diagram for juce::CoreGraphicsContext:

Classes
struct	SavedState

Public Member Functions
	CoreGraphicsContext (CGContextRef context, float flipHeight, float targetScale)
	~CoreGraphicsContext () override
void	addTransform (const AffineTransform &) override
void	beginTransparencyLayer (float opacity) override
bool	clipRegionIntersects (const Rectangle< int > &) override
void	clipToImageAlpha (const Image &, const AffineTransform &) override
void	clipToPath (const Path &, const AffineTransform &) override
bool	clipToRectangle (const Rectangle< int > &) override
bool	clipToRectangleList (const RectangleList< int > &) override
void	drawGlyph (int glyphNumber, const AffineTransform &) override
void	drawImage (const Image &sourceImage, const AffineTransform &) override
void	drawLine (const Line< float > &) override
bool	drawTextLayout (const AttributedString &, const Rectangle< float > &) override
void	endTransparencyLayer () override
void	excludeClipRectangle (const Rectangle< int > &) override
void	fillPath (const Path &, const AffineTransform &) override
void	fillRect (const Rectangle< int > &, bool replaceExistingContents) override
void	fillRect (const Rectangle< float > &) override
void	fillRectList (const RectangleList< float > &) override
Rectangle< int >	getClipBounds () const override
const Font &	getFont () override
float	getPhysicalPixelScaleFactor () override
bool	isClipEmpty () const override
bool	isVectorDevice () const override
	Returns true if this device is vector-based, e.g. More...
void	restoreState () override
void	saveState () override
void	setFill (const FillType &) override
void	setFont (const Font &) override
void	setInterpolationQuality (Graphics::ResamplingQuality) override
void	setOpacity (float) override
void	setOrigin (Point< int >) override
	Moves the origin to a new position. More...

Private Member Functions
void	applyTransform (const AffineTransform &) const
bool	clipToRectangleListWithoutTest (const RectangleList< int > &)
void	createPath (const Path &) const
void	createPath (const Path &, const AffineTransform &) const
void	drawGradient ()
void	drawImage (const Image &, const AffineTransform &, bool fillEntireClipAsTiles)
void	fillCGRect (const CGRect &, bool replaceExistingContents)
void	flip () const

Private Attributes
CGContextRef	context
const CGFloat	flipHeight
CGColorSpaceRef	greyColourSpace
Rectangle< int >	lastClipRect
bool	lastClipRectIsValid = false
CGColorSpaceRef	rgbColourSpace
std::unique_ptr< SavedState >	state
OwnedArray< SavedState >	stateStack
float	targetScale

Constructor & Destructor Documentation

CoreGraphicsContext()

juce::CoreGraphicsContext::CoreGraphicsContext	(	CGContextRef	context,
		float	flipHeight,
		float	targetScale
	)

~CoreGraphicsContext()

juce::CoreGraphicsContext::~CoreGraphicsContext ( )

override

Member Function Documentation

addTransform()

void juce::CoreGraphicsContext::addTransform ( const AffineTransform &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

applyTransform()

void juce::CoreGraphicsContext::applyTransform ( const AffineTransform &  ) const

private

beginTransparencyLayer()

void juce::CoreGraphicsContext::beginTransparencyLayer ( float  opacity )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

clipRegionIntersects()

bool juce::CoreGraphicsContext::clipRegionIntersects ( const Rectangle< int > &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

clipToImageAlpha()

void juce::CoreGraphicsContext::clipToImageAlpha ( const Image &  , const AffineTransform &    )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

clipToPath()

void juce::CoreGraphicsContext::clipToPath ( const Path &  , const AffineTransform &    )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

clipToRectangle()

bool juce::CoreGraphicsContext::clipToRectangle ( const Rectangle< int > &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

clipToRectangleList()

bool juce::CoreGraphicsContext::clipToRectangleList ( const RectangleList< int > &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

clipToRectangleListWithoutTest()

bool juce::CoreGraphicsContext::clipToRectangleListWithoutTest ( const RectangleList< int > &  )

private

createPath() [1/2]

void juce::CoreGraphicsContext::createPath ( const Path &  ) const

private

createPath() [2/2]

void juce::CoreGraphicsContext::createPath ( const Path &  , const AffineTransform &    ) const

private

drawGlyph()

void juce::CoreGraphicsContext::drawGlyph ( int  glyphNumber, const AffineTransform &    )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

drawGradient()

void juce::CoreGraphicsContext::drawGradient ( )

private

drawImage() [1/2]

void juce::CoreGraphicsContext::drawImage ( const Image &  sourceImage, const AffineTransform &    )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

drawImage() [2/2]

void juce::CoreGraphicsContext::drawImage ( const Image &  , const AffineTransform &  , bool  fillEntireClipAsTiles  )

private

drawLine()

void juce::CoreGraphicsContext::drawLine ( const Line< float > &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

drawTextLayout()

bool juce::CoreGraphicsContext::drawTextLayout ( const AttributedString &  , const Rectangle< float > &    )

overridevirtual

Reimplemented from juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

endTransparencyLayer()

void juce::CoreGraphicsContext::endTransparencyLayer ( )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

excludeClipRectangle()

void juce::CoreGraphicsContext::excludeClipRectangle ( const Rectangle< int > &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

fillCGRect()

void juce::CoreGraphicsContext::fillCGRect ( const CGRect &  , bool  replaceExistingContents  )

private

fillPath()

void juce::CoreGraphicsContext::fillPath ( const Path &  , const AffineTransform &    )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

fillRect() [1/2]

void juce::CoreGraphicsContext::fillRect ( const Rectangle< int > &  , bool  replaceExistingContents  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

fillRect() [2/2]

void juce::CoreGraphicsContext::fillRect ( const Rectangle< float > &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

fillRectList()

void juce::CoreGraphicsContext::fillRectList ( const RectangleList< float > &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

flip()

void juce::CoreGraphicsContext::flip ( ) const

private

getClipBounds()

Rectangle<int> juce::CoreGraphicsContext::getClipBounds ( ) const

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

getFont()

const Font& juce::CoreGraphicsContext::getFont ( )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

getPhysicalPixelScaleFactor()

float juce::CoreGraphicsContext::getPhysicalPixelScaleFactor ( )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

isClipEmpty()

bool juce::CoreGraphicsContext::isClipEmpty ( ) const

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

isVectorDevice()

bool juce::CoreGraphicsContext::isVectorDevice ( ) const

inlineoverridevirtual

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

a printer.

Implements juce::LowLevelGraphicsContext.

References addTransform(), beginTransparencyLayer(), clipRegionIntersects(), clipToImageAlpha(), clipToPath(), clipToRectangle(), clipToRectangleList(), drawGlyph(), drawImage(), drawLine(), drawTextLayout(), endTransparencyLayer(), excludeClipRectangle(), fillPath(), fillRect(), fillRectList(), getClipBounds(), getFont(), getPhysicalPixelScaleFactor(), isClipEmpty(), restoreState(), saveState(), setFill(), setFont(), setInterpolationQuality(), setOpacity(), and setOrigin().

restoreState()

void juce::CoreGraphicsContext::restoreState ( )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

saveState()

void juce::CoreGraphicsContext::saveState ( )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

setFill()

void juce::CoreGraphicsContext::setFill ( const FillType &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

setFont()

void juce::CoreGraphicsContext::setFont ( const Font &  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

setInterpolationQuality()

void juce::CoreGraphicsContext::setInterpolationQuality ( Graphics::ResamplingQuality  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

setOpacity()

void juce::CoreGraphicsContext::setOpacity ( float  )

overridevirtual

Implements juce::LowLevelGraphicsContext.

Referenced by isVectorDevice().

setOrigin()

void juce::CoreGraphicsContext::setOrigin ( Point< int >  )

overridevirtual

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.

Referenced by isVectorDevice().

Member Data Documentation

context

CGContextRef juce::CoreGraphicsContext::context

private

flipHeight

const CGFloat juce::CoreGraphicsContext::flipHeight

private

greyColourSpace

CGColorSpaceRef juce::CoreGraphicsContext::greyColourSpace

private

lastClipRect

Rectangle<int> juce::CoreGraphicsContext::lastClipRect

mutableprivate

lastClipRectIsValid

bool juce::CoreGraphicsContext::lastClipRectIsValid = false

mutableprivate

rgbColourSpace

CGColorSpaceRef juce::CoreGraphicsContext::rgbColourSpace

private

state

std::unique_ptr<SavedState> juce::CoreGraphicsContext::state

private

stateStack

OwnedArray<SavedState> juce::CoreGraphicsContext::stateStack

private

targetScale

float juce::CoreGraphicsContext::targetScale

private

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

• juce_mac_CoreGraphicsContext.h