bitmapcanvasbase.hxx

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#pragma once
 
#include <base/canvasbase.hxx>
#include <com/sun/star/geometry/IntegerSize2D.hpp>
 
namespace com::sun::star::rendering { class XBitmapCanvas; }
 
namespace canvas
{
    template< class Base,
              class CanvasHelper,
              class Mutex=::osl::MutexGuard,
              class UnambiguousBase=css::uno::XInterface > class BitmapCanvasBase :
        public CanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase >
    {
    public:
        typedef CanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase >    BaseType;
 
        // XBitmap
        virtual css::geometry::IntegerSize2D SAL_CALL getSize(  ) override
        {
            typename BaseType::MutexType aGuard( BaseType::m_aMutex );
 
            return BaseType::maCanvasHelper.getSize();
        }
 
        virtual sal_Bool SAL_CALL hasAlpha(  ) override
        {
            return true;
        }
 
        virtual css::uno::Reference< css::rendering::XBitmap > SAL_CALL getScaledBitmap( const css::geometry::RealSize2D& newSize,
                                                                                                                   sal_Bool                                      beFast ) override
        {
            typename BaseType::MutexType aGuard( BaseType::m_aMutex );
 
            return BaseType::maCanvasHelper.getScaledBitmap( newSize, beFast );
        }
 
    };
 
    template< class Base,
              class CanvasHelper,
              class Mutex=::osl::MutexGuard,
              class UnambiguousBase = css::uno::XInterface > class BitmapCanvasBase2 :
        public BitmapCanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase >
    {
        typedef BitmapCanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase >
            BaseType;
 
    public:
        // XBitmapCanvas
        virtual void SAL_CALL copyRect( const css::uno::Reference< css::rendering::XBitmapCanvas >&   sourceCanvas,
                                        const css::geometry::RealRectangle2D&                                      sourceRect,
                                        const css::rendering::ViewState&                                           sourceViewState,
                                        const css::rendering::RenderState&                                         sourceRenderState,
                                        const css::geometry::RealRectangle2D&                                      destRect,
                                        const css::rendering::ViewState&                                           destViewState,
                                        const css::rendering::RenderState&                                         destRenderState ) override
        {
            tools::verifyArgs(sourceCanvas, sourceRect, sourceViewState, sourceRenderState,
                              destRect, destViewState, destRenderState,
                              __func__,
                              static_cast< typename BaseType::UnambiguousBaseType* >(this));
 
            typename BaseType::BaseType::MutexType aGuard( BaseType::m_aMutex );
 
            BaseType::BaseType::mbSurfaceDirty = true;
        }
    };
}
 
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