Quelle  integerbitmapbase.hxx   Sprache: C

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#pragma once

#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
#include <verifyinput.hxx>


namespace canvas
{
    /** Helper template to handle XIntegerBitmap method forwarding to
        BitmapCanvasHelper

        Use this helper to handle the XIntegerBitmap part of your
        implementation.

        @tpl Base
        Either BitmapCanvasBase (just XBitmap) or BitmapCanvasBase2 (XBitmap and
        XBitmapCanvas).
     */
    template< class Base > class IntegerBitmapBase :
        public Base
    {
    public:
        // XIntegerBitmap
        virtual css::uno::Sequence< sal_Int8 > SAL_CALL getData( css::rendering::IntegerBitmapLayout&     bitmapLayout,
                                                                              const css::geometry::IntegerRectangle2D& rect ) override
        {
            tools::verifyArgs(rect,
                              __func__,
                              static_cast< typename Base::UnambiguousBaseType* >(this));
            tools::verifyIndexRange(rect, Base::getSize() );

            typename Base::MutexType aGuard( Base::m_aMutex );

            return Base::maCanvasHelper.getData( bitmapLayout,
                                                     rect );
        }

        virtual void SAL_CALL setData( const css::uno::Sequence< sal_Int8 >&,
                                       const css::rendering::IntegerBitmapLayout& bitmapLayout,
                                       const css::geometry::IntegerRectangle2D&   rect ) override
        {
            tools::verifyArgs(bitmapLayout, rect,
                              __func__,
                              static_cast< typename Base::UnambiguousBaseType* >(this));
            tools::verifyIndexRange(rect, Base::getSize() );

            typename Base::MutexType aGuard( Base::m_aMutex );

            Base::mbSurfaceDirty = true;
        }

        virtual void SAL_CALL setPixel( const css::uno::Sequence< sal_Int8 >&,
                                        const css::rendering::IntegerBitmapLayout& bitmapLayout,
                                        const css::geometry::IntegerPoint2D&       pos ) override
        {
            tools::verifyArgs(bitmapLayout, pos,
                              __func__,
                              static_cast< typename Base::UnambiguousBaseType* >(this));
            tools::verifyIndexRange(pos, Base::getSize() );

            typename Base::MutexType aGuard( Base::m_aMutex );

            Base::mbSurfaceDirty = true;
        }

        virtual css::uno::Sequence< sal_Int8 > SAL_CALL getPixel( css::rendering::IntegerBitmapLayout& bitmapLayout,
                                                                  const css::geometry::IntegerPoint2D& pos ) override
        {
            tools::verifyArgs(pos,
                              __func__,
                              static_cast< typename Base::UnambiguousBaseType* >(this));
            tools::verifyIndexRange(pos, Base::getSize() );

            typename Base::MutexType aGuard( Base::m_aMutex );

            return Base::maCanvasHelper.getPixel( bitmapLayout,
                                                      pos );
        }

        virtual css::rendering::IntegerBitmapLayout SAL_CALL getMemoryLayout(  ) override
        {
            typename Base::MutexType aGuard( Base::m_aMutex );

            return Base::maCanvasHelper.getMemoryLayout();
        }
    };
}

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