office-gobmx/canvas/source/cairo/cairo_spritecanvashelper.hxx

147 lines
5.6 KiB
C++

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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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#ifndef _CAIROCANVAS_SPRITECANVASHELPER_HXX_
#define _CAIROCANVAS_SPRITECANVASHELPER_HXX_
#include <com/sun/star/rendering/XSpriteCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>
#include <canvas/spriteredrawmanager.hxx>
#include "cairo_cairo.hxx"
#include "cairo_canvashelper.hxx"
namespace basegfx
{
class B2IRange;
}
namespace cairocanvas
{
class SpriteCanvas;
class SpriteCanvasHelper : public CanvasHelper
{
public:
SpriteCanvasHelper();
void init( ::canvas::SpriteRedrawManager& rManager,
SpriteCanvas& rOwningSpriteCanvas,
const ::basegfx::B2ISize& rSize );
/// Dispose all internal references
void disposing();
// XSpriteCanvas
::com::sun::star::uno::Reference<
::com::sun::star::rendering::XAnimatedSprite > createSpriteFromAnimation(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation );
::com::sun::star::uno::Reference<
::com::sun::star::rendering::XAnimatedSprite > createSpriteFromBitmaps(
const ::com::sun::star::uno::Sequence<
::com::sun::star::uno::Reference<
::com::sun::star::rendering::XBitmap > >& animationBitmaps,
sal_Int8 interpolationMode );
::com::sun::star::uno::Reference<
::com::sun::star::rendering::XCustomSprite > createCustomSprite(
const ::com::sun::star::geometry::RealSize2D& spriteSize );
::com::sun::star::uno::Reference<
::com::sun::star::rendering::XSprite > createClonedSprite(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original );
/** Actually perform the screen update
@param rCurrArea
Current window area in absolute screen coordinates
@param bUpdateAll
sal_True, if everything must be updated, not only changed
sprites
@param io_bSurfaceDirty
In/out parameter, whether backbuffer surface is dirty (if
yes, we're performing a full update, anyway)
*/
sal_Bool updateScreen( const ::basegfx::B2IRange& rCurrArea,
sal_Bool bUpdateAll,
bool& io_bSurfaceDirty );
// SpriteRedrawManager functor calls
// -------------------------------------------------
/** Gets called for simple background repaints
*/
void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
/** Gets called when area can be handled by scrolling.
Called method must copy screen content from rMoveStart to
rMoveEnd, and restore the background in the uncovered
areas.
@param rMoveStart
Source rect of the scroll
@param rMoveEnd
Dest rect of the scroll
@param rUpdateArea
All info necessary, should rMoveStart be partially or
fully outside the outdev
*/
void scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
const ::basegfx::B2DRange& rMoveEnd,
const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea );
void opaqueUpdate( const ::basegfx::B2DRange& rTotalArea,
const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
void genericUpdate( const ::basegfx::B2DRange& rTotalArea,
const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
private:
::cairo::SurfaceSharedPtr getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
/// Set from the SpriteCanvas: instance coordinating sprite redraw
::canvas::SpriteRedrawManager* mpRedrawManager;
/// Set from the init method. used to generate sprites
SpriteCanvas* mpOwningSpriteCanvas;
/// a temporary surface used to composite the frontbuffer image
::cairo::SurfaceSharedPtr mpCompositingSurface;
::basegfx::B2ISize maCompositingSurfaceSize;
};
}
#endif /* _CAIROCANVAS_SPRITECANVASHELPER_HXX_ */