xref: /trunk/main/cppcanvas/inc/cppcanvas/basegfxfactory.hxx (revision cdf0e10c)

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#ifndef _CPPCANVAS_BASEGFXFACTORY_HXX
#define _CPPCANVAS_BASEGFXFACTORY_HXX

#include <cppcanvas/canvas.hxx>
#include <cppcanvas/bitmapcanvas.hxx>
#include <cppcanvas/spritecanvas.hxx>
#include <cppcanvas/polypolygon.hxx>
#include <cppcanvas/bitmap.hxx>
#include <cppcanvas/renderer.hxx>
#include <cppcanvas/text.hxx>
#include <cppcanvas/sprite.hxx>
#include <basegfx/vector/b2isize.hxx>


namespace basegfx
{
    class B2DPolygon;
    class B2DPolyPolygon;
}

namespace rtl
{
    class OUString;
}

/* Definition of BaseGfxFactory class */

namespace cppcanvas
{
    /** The BaseGfxFactory creates Canvas objects for various basegfx
        primitives, such as polygons and bitmaps (not yet
        implemented).

        Please note that the objects created for a specific Canvas can
        only be drawn on exactly that canvas. You have to regenerate
        them for different canvases.
     */
    class BaseGfxFactory
    {
    public:
        static BaseGfxFactory& getInstance();

        /** Create a polygon from a ::basegfx::B2DPolygon

			The created polygon initially has the same size in user
			coordinate space as the source polygon
         */
        PolyPolygonSharedPtr 	createPolyPolygon( const CanvasSharedPtr&, const ::basegfx::B2DPolygon& rPoly ) const;
        PolyPolygonSharedPtr 	createPolyPolygon( const CanvasSharedPtr&, const ::basegfx::B2DPolyPolygon& rPoly ) const;

        /** Create an uninitialized bitmap with the given size
         */
        BitmapSharedPtr 		createBitmap( const CanvasSharedPtr&, const ::basegfx::B2ISize& rSize ) const;

        /** Create an uninitialized alpha bitmap with the given size
         */
        BitmapSharedPtr 		createAlphaBitmap( const CanvasSharedPtr&, const ::basegfx::B2ISize& rSize ) const;

        /** Create a text portion with the given content string
         */
        TextSharedPtr 			createText( const CanvasSharedPtr&, const ::rtl::OUString& ) const;

    private:
        friend struct InitInstance2;

        // singleton
        BaseGfxFactory();
        ~BaseGfxFactory();

        // default: disabled copy/assignment
        BaseGfxFactory(const BaseGfxFactory&);
        BaseGfxFactory& operator=( const BaseGfxFactory& );
    };

}

#endif /* _CPPCANVAS_BASEGFXFACTORY_HXX */