KIGFX::VIEW::DRAW_ITEM_VISITOR Struct Reference

Public Member Functions
	DRAW_ITEM_VISITOR (VIEW *aView, int aLayer, bool aUseDrawPriority, bool aReverseDrawOrder)
bool	operator() (VIEW_ITEM *aItem)
void	deferredDraw ()

Public Attributes
VIEW *	view
int	layer
int	layers [VIEW_MAX_LAYERS]
bool	useDrawPriority
bool	reverseDrawOrder
std::vector< VIEW_ITEM * >	drawItems

Detailed Description

Definition at line 924 of file view.cpp.

Constructor & Destructor Documentation

DRAW_ITEM_VISITOR()

KIGFX::VIEW::DRAW_ITEM_VISITOR::DRAW_ITEM_VISITOR ( VIEW *  aView, int  aLayer, bool  aUseDrawPriority, bool  aReverseDrawOrder  )

inline

Definition at line 926 of file view.cpp.

 :
 view( aView ),
 layer( aLayer ),
 useDrawPriority( aUseDrawPriority ),
 reverseDrawOrder( aReverseDrawOrder )
 {
 }

Member Function Documentation

deferredDraw()

void KIGFX::VIEW::DRAW_ITEM_VISITOR::deferredDraw ( )

inline

Definition at line 952 of file view.cpp.

 {
 if( reverseDrawOrder )
 {
 std::sort( drawItems.begin(), drawItems.end(),
 []( VIEW_ITEM* a, VIEW_ITEM* b ) -> bool
 {
 return b->viewPrivData()->m_drawPriority < a->viewPrivData()->m_drawPriority;
 } );
 }
 else
 {
 std::sort( drawItems.begin(), drawItems.end(),
 []( VIEW_ITEM* a, VIEW_ITEM* b ) -> bool
 {
 return a->viewPrivData()->m_drawPriority < b->viewPrivData()->m_drawPriority;
 } );
 }
 
 for( VIEW_ITEM* item : drawItems )
 view->draw( item, layer );
 }

References KIGFX::VIEW::draw(), drawItems, layer, reverseDrawOrder, and view.

Referenced by KIGFX::VIEW::redrawRect().

operator()()

bool KIGFX::VIEW::DRAW_ITEM_VISITOR::operator() ( VIEW_ITEM *  aItem )

inline

Definition at line 934 of file view.cpp.

 {
 wxCHECK( aItem->viewPrivData(), false );
 
 // Conditions that have to be fulfilled for an item to be drawn
 bool drawCondition = aItem->viewPrivData()->isRenderable()
 && aItem->ViewGetLOD( layer, view ) < view->m_scale;
 if( !drawCondition )
 return true;
 
 if( useDrawPriority )
 drawItems.push_back( aItem );
 else
 view->draw( aItem, layer );
 
 return true;
 }

References KIGFX::VIEW::draw(), drawItems, KIGFX::VIEW_ITEM_DATA::isRenderable(), layer, KIGFX::VIEW::m_scale, useDrawPriority, view, KIGFX::VIEW_ITEM::ViewGetLOD(), and KIGFX::VIEW_ITEM::viewPrivData().

Member Data Documentation

drawItems

std::vector<VIEW_ITEM*> KIGFX::VIEW::DRAW_ITEM_VISITOR::drawItems

Definition at line 978 of file view.cpp.

Referenced by deferredDraw(), and operator()().

layer

int KIGFX::VIEW::DRAW_ITEM_VISITOR::layer

Definition at line 976 of file view.cpp.

Referenced by deferredDraw(), and operator()().

layers

int KIGFX::VIEW::DRAW_ITEM_VISITOR::layers[VIEW_MAX_LAYERS]

Definition at line 976 of file view.cpp.

reverseDrawOrder

bool KIGFX::VIEW::DRAW_ITEM_VISITOR::reverseDrawOrder

Definition at line 977 of file view.cpp.

Referenced by deferredDraw().

useDrawPriority

bool KIGFX::VIEW::DRAW_ITEM_VISITOR::useDrawPriority

Definition at line 977 of file view.cpp.

Referenced by operator()().

view

VIEW* KIGFX::VIEW::DRAW_ITEM_VISITOR::view

Definition at line 975 of file view.cpp.

Referenced by deferredDraw(), and operator()().

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

• view.cpp