Move access to SystemDependentDataHolder to SalBitmap

To be able to buffer BitmapData which is created based on
Bitmap class data, move the access to
basegfx::SystemDependentDataHolder from classes where it
was used until now (WinSalBitmap and SvpSalBitmap) up to
SalBitmap which is accessible outside vcl.

This is a reorder plus a virtual access method to
detect/access that helper layer, no functional change.
It will be needed for system-dependent renderers when
they want to use that standard buffering e.g. already
used in the headless & windows backends.

Change-Id: Ib30e7b98e722b977bb0c87ad253e3ffc1841e87e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141456
Tested-by: Jenkins
Reviewed-by: Armin Le Grand <Armin.Le.Grand@me.com>

1 files changed, 2 insertions, 21 deletions

diff --git a/vcl/inc/win/salbmp.h b/vcl/inc/win/salbmp.h
index c8fe3d851011..9db57b5cc9f7 100644
--- a/vcl/inc/win/salbmp.h
+++ b/vcl/inc/win/salbmp.h
@@ -85,27 +85,8 @@ public:
     virtual bool                Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) override;
     virtual bool                Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uInt8 nTol ) override;
 
-    // exclusive management op's for SystemDependentData at WinSalBitmap
-    template<class T>
-    std::shared_ptr<T> getSystemDependentData() const
-    {
-        return std::static_pointer_cast<T>(basegfx::SystemDependentDataHolder::getSystemDependentData(typeid(T).hash_code()));
-    }
-
-    template<class T, class... Args>
-    std::shared_ptr<T> addOrReplaceSystemDependentData(basegfx::SystemDependentDataManager& manager, Args&&... args) const
-    {
-        std::shared_ptr<T> r = std::make_shared<T>(manager, std::forward<Args>(args)...);
-
-        // tdf#129845 only add to buffer if a relevant buffer time is estimated
-        if(r->calculateCombinedHoldCyclesInSeconds() > 0)
-        {
-            basegfx::SystemDependentData_SharedPtr r2(r);
-            const_cast< WinSalBitmap* >(this)->basegfx::SystemDependentDataHolder::addOrReplaceSystemDependentData(r2);
-        }
-
-        return r;
-    }
+protected:
+    virtual const basegfx::SystemDependentDataHolder* accessSystemDependentDataHolder() const override;
 };
 
 #endif // INCLUDED_VCL_INC_WIN_SALBMP_H