xref: /trunk/main/cppcanvas/inc/cppcanvas/basegfxfactory.hxx (revision b63233d8)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#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>

#include <cppcanvas/cppcanvasdllapi.h>

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 CPPCANVAS_DLLPUBLIC 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 */