void Base::DoRender( Gwen::Skin::Base* skin )
{
// If this control has a different skin,
// then so does its children.
if ( m_Skin )
skin = m_Skin;
// Do think
Think();
Gwen::Renderer::Base* render = skin->GetRender();
if ( render->GetCTT() && ShouldCacheToTexture() )
{
DoCacheRender( skin, this );
return;
}
Gwen::Point pOldRenderOffset = render->GetRenderOffset();
render->AddRenderOffset( GetBounds() );
RenderUnder( skin );
Gwen::Rect rOldRegion = render->ClipRegion();
render->AddClipRegion( GetBounds() );
if ( render->ClipRegionVisible() )
{
render->StartClip();
//Render myself first
Render( skin );
if ( !Children.empty() )
{
//Now render my kids
for (Base::List::iterator iter = Children.begin(); iter != Children.end(); ++iter)
{
Base* pChild = *iter;
if ( pChild->Hidden() ) continue;
pChild->DoRender( skin );
}
}
render->SetClipRegion( rOldRegion );
render->StartClip();
RenderOver( skin );
}
else
{
render->SetClipRegion( rOldRegion );
}
RenderFocus( skin );
render->SetRenderOffset( pOldRenderOffset );
}
void Base::RenderRecursive(Gwen::Skin::Base* skin, const Gwen::Rect& cliprect)
{
Gwen::Renderer::Base* render = skin->GetRender();
Gwen::Point pOldRenderOffset = render->GetRenderOffset();
render->AddRenderOffset(cliprect);
RenderUnder(skin);
Gwen::Rect rOldRegion = render->ClipRegion();
//
// If this control is clipping, change the clip rect to ourselves
// ( if not then we still clip using our parents clip rect )
//
if (ShouldClip())
{
render->AddClipRegion(cliprect);
if (!render->ClipRegionVisible())
{
render->SetRenderOffset(pOldRenderOffset);
render->SetClipRegion(rOldRegion);
return;
}
}
//
// Render this control and children controls
//
render->StartClip();
{
Render(skin);
if (!Children.empty())
{
// Now render my kids
for (Base::List::iterator iter = Children.begin(); iter != Children.end(); ++iter)
{
Base* pChild = *iter;
if (pChild->Hidden())
continue;
pChild->DoRender(skin);
}
}
}
render->EndClip();
//
// Render overlay/focus
//
{
render->SetClipRegion(rOldRegion);
render->StartClip();
{
RenderOver(skin);
RenderFocus(skin);
}
render->EndClip();
render->SetRenderOffset(pOldRenderOffset);
}
}
void Base::DoCacheRender( Gwen::Skin::Base* skin, Gwen::Controls::Base* pMaster )
{
Gwen::Renderer::Base* render = skin->GetRender();
Gwen::Renderer::ICacheToTexture* cache = render->GetCTT();
if ( !cache ) return;
Gwen::Point pOldRenderOffset = render->GetRenderOffset();
Gwen::Rect rOldRegion = render->ClipRegion();
if ( this != pMaster )
{
render->AddRenderOffset( GetBounds() );
render->AddClipRegion( GetBounds() );
}
else
{
render->SetRenderOffset( Gwen::Point( 0, 0 ) );
render->SetClipRegion( GetBounds() );
}
if ( m_bCacheTextureDirty && render->ClipRegionVisible() )
{
render->StartClip();
if ( ShouldCacheToTexture() )
cache->SetupCacheTexture( this );
//Render myself first
Render( skin );
if ( !Children.empty() )
{
//Now render my kids
for (Base::List::iterator iter = Children.begin(); iter != Children.end(); ++iter)
{
Base* pChild = *iter;
if ( pChild->Hidden() ) continue;
pChild->DoCacheRender( skin, pMaster );
}
}
if ( ShouldCacheToTexture() )
{
cache->FinishCacheTexture( this );
m_bCacheTextureDirty = false;
}
}
render->SetClipRegion( rOldRegion );
render->StartClip();
render->SetRenderOffset( pOldRenderOffset );
cache->DrawCachedControlTexture( this );
}
void Canvas::RenderCanvas()
{
DoThink();
Gwen::Renderer::Base* render = m_Skin->GetRender();
render->Begin();
RecurseLayout( m_Skin );
render->SetClipRegion( GetBounds() );
render->SetRenderOffset( Gwen::Point( 0, 0 ) );
render->SetScale( Scale() );
if ( m_bDrawBackground )
{
render->SetDrawColor( m_BackgroundColor );
render->DrawFilledRect( GetRenderBounds() );
}
DoRender( m_Skin );
DragAndDrop::RenderOverlay( this, m_Skin );
ToolTip::RenderToolTip( m_Skin );
render->End();
}
void WindowCanvas::RenderCanvas()
{
//
// If there isn't anything going on we sleep the thread for a few ms
// This gives some cpu time back to the os. If you're using a rendering
// method that needs continual updates, just call canvas->redraw every frame.
//
if ( !NeedsRedraw() )
{
Platform::Sleep( 10 );
return;
}
m_bNeedsRedraw = false;
Gwen::Renderer::Base* render = m_Skin->GetRender();
if ( render->BeginContext( this ) )
{
render->Begin();
RecurseLayout( m_Skin );
render->SetClipRegion( GetRenderBounds() );
render->SetRenderOffset( Gwen::Point( X() * -1, Y() * -1 ) );
render->SetScale( Scale() );
if ( m_bDrawBackground )
{
render->SetDrawColor( m_BackgroundColor );
render->DrawFilledRect( GetRenderBounds() );
}
DoRender( m_Skin );
DragAndDrop::RenderOverlay( this, m_Skin );
ToolTip::RenderToolTip( m_Skin );
render->End();
}
render->EndContext( this );
render->PresentContext( this );
}
void Base::DoCacheRender(Gwen::Skin::Base* skin, Gwen::Controls::Base* pMaster)
{
Gwen::Renderer::Base* render = skin->GetRender();
Gwen::Renderer::ICacheToTexture* cache = render->GetCTT();
if (!cache)
return;
Gwen::Point pOldRenderOffset = render->GetRenderOffset();
Gwen::Rect rOldRegion = render->ClipRegion();
if (this != pMaster)
{
render->AddRenderOffset(GetBounds());
render->AddClipRegion(GetBounds());
}
else
{
render->SetRenderOffset(Gwen::Point(0, 0));
render->SetClipRegion(GetBounds());
}
// See if we need to update the cached texture. Dirty?
if (m_bCacheTextureDirty && render->ClipRegionVisible())
{
render->StartClip();
{
if (IsCachedToTexture())
cache->SetupCacheTexture(this);
// Render myself first
Render(skin);
if (!Children.empty())
{
// Now render my kids
for (Base::List::iterator iter = Children.begin(); iter != Children.end(); ++iter)
{
Base* pChild = *iter;
if (!pChild->Hidden())
{
// Draw child control using normal render. If it is cached it will
// be handled in the same way as this one.
pChild->DoRender(skin);
}
}
}
if (IsCachedToTexture())
{
cache->FinishCacheTexture(this);
m_bCacheTextureDirty = false;
}
}
render->EndClip();
}
// Draw the cached texture.
render->SetClipRegion(rOldRegion);
render->StartClip();
{
render->SetRenderOffset(pOldRenderOffset);
cache->DrawCachedControlTexture(this);
}
render->EndClip();
}