anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX Struct Reference

Inheritance diagram for anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX:

Collaboration diagram for anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX:

Public Member Functions
uint8_t *	Allocate (size_t width, size_t height) override
wxBitmap &	GetBitmap ()
size_t	Width () const override
size_t	Height () const override
Public Member Functions inherited from WaveBitmapCacheElement
	~WaveBitmapCacheElement () override
virtual uint8_t *	Allocate (size_t width, size_t height)=0
virtual size_t	Width () const =0
virtual size_t	Height () const =0
Public Member Functions inherited from GraphicsDataCacheElementBase
virtual	~GraphicsDataCacheElementBase ()=default
virtual void	Dispose ()
	This method is called when the item is evicted from the cache. Default implementation is empty. More...
virtual void	Smooth (GraphicsDataCacheElementBase *prevElement)
	This method is called during the lookup when new items are inserted. prevElement can be nullptr. Default implementation is empty. More...

Private Attributes
wxBitmap	mBitmap
wxImage	mImage

Additional Inherited Members
Public Attributes inherited from WaveBitmapCacheElement
size_t	AvailableColumns { 0 }
Public Attributes inherited from GraphicsDataCacheElementBase
uint64_t	LastCacheAccess { 0 }
	Index filled by GraphicsDataCacheBase to implement LRU eviction policy. More...
uint64_t	LastUpdate { 0 }
	The last time the item was updated. If (!IsComplete && LastUpdate < LastCacheAccess) the item will be updated. More...
bool	IsComplete { false }
	Cache implementation is responsible to set this flag when all the data of the item is filled. More...
bool	AwaitsEviction { false }
	This flag is used to simplify the eviction algorithm. More...

Detailed Description

Definition at line 174 of file WaveformView.cpp.

Member Function Documentation

Allocate()

uint8_t * anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX::Allocate ( size_t  width, size_t  height  )

inlineoverridevirtual

Implements WaveBitmapCacheElement.

Definition at line 176 of file WaveformView.cpp.

   {
      mImage = wxImage(width, height, false);
      mBitmap = wxBitmap();
      return mImage.GetData();
   }

References wxImage().

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GetBitmap()

wxBitmap & anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX::GetBitmap ( )

inline

Definition at line 183 of file WaveformView.cpp.

   {
      if(!mBitmap.IsOk() && mImage.IsOk())
         mBitmap = wxBitmap(mImage);
      return mBitmap;
   }

Referenced by anonymous_namespace{WaveformView.cpp}::WaveformPainter::Draw().

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Height()

size_t anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX::Height ( ) const

inlineoverridevirtual

Implements WaveBitmapCacheElement.

Definition at line 195 of file WaveformView.cpp.

   {
      return mImage.GetHeight();
   }

Width()

size_t anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX::Width ( ) const

inlineoverridevirtual

Implements WaveBitmapCacheElement.

Definition at line 190 of file WaveformView.cpp.

   {
      return mImage.GetWidth();
   }

Member Data Documentation

mBitmap

wxBitmap anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX::mBitmap

private

Definition at line 201 of file WaveformView.cpp.

mImage

wxImage anonymous_namespace{WaveformView.cpp}::WaveBitmapCacheElementWX::mImage

private

Definition at line 202 of file WaveformView.cpp.

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

• WaveformView.cpp