juce::ScopedBlendContext Class Reference

Uses RAII to create a temporary image that is blended into the parent context when this object goes out of scope. More...

Public Types
using	Options = ScopedBlendContextOptions

Public Member Functions
	ScopedBlendContext (Graphics &g, const Options &options)
	Constructor.
Graphics &	getContext ()
	Returns the context for drawing the image that will be blended into the parent context.
bool	isClipEmpty () const
	Returns true if the clip region for this context is empty.
	~ScopedBlendContext ()
	Destructor.

Detailed Description

Uses RAII to create a temporary image that is blended into the parent context when this object goes out of scope.

Member Typedef Documentation

Options

using juce::ScopedBlendContext::Options = ScopedBlendContextOptions

Constructor & Destructor Documentation

ScopedBlendContext()

juce::ScopedBlendContext::ScopedBlendContext	(	Graphics &	g,
		const Options &	options
	)

Constructor.

The image drawn into the context returned by getContext() will be blended into the context passed in here when this object is destroyed.

See also

ScopedBlendContextOptions

~ScopedBlendContext()

juce::ScopedBlendContext::~ScopedBlendContext

(

)

Destructor.

Member Function Documentation

getContext()

Graphics & juce::ScopedBlendContext::getContext ( )

inline

Returns the context for drawing the image that will be blended into the parent context.

isClipEmpty()

bool juce::ScopedBlendContext::isClipEmpty ( ) const

inline

Returns true if the clip region for this context is empty.

This allows the call site to omit draw calls that wouldn't have a visible effect anyway.

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

• juce_graphics/contexts/juce_ScopedBlendContext.h