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Diffstat (limited to '')
| -rw-r--r-- | canvas/source/directx/dx_surfacebitmap.hxx | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_surfacebitmap.hxx b/canvas/source/directx/dx_surfacebitmap.hxx new file mode 100644 index 000000000..75cd630c6 --- /dev/null +++ b/canvas/source/directx/dx_surfacebitmap.hxx @@ -0,0 +1,138 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#ifndef INCLUDED_CANVAS_SOURCE_DIRECTX_DX_SURFACEBITMAP_HXX +#define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_SURFACEBITMAP_HXX + +#include <rendering/isurfaceproxy.hxx> +#include <rendering/isurfaceproxymanager.hxx> +#include "dx_ibitmap.hxx" +#include "dx_canvasfont.hxx" +#include "dx_gdiplususer.hxx" +#include "dx_rendermodule.hxx" + +namespace dxcanvas +{ + class DXSurfaceBitmap : public IBitmap + { + public: + DXSurfaceBitmap( const ::basegfx::B2IVector& rSize, + const std::shared_ptr<canvas::ISurfaceProxyManager>& rMgr, + const IDXRenderModuleSharedPtr& rRenderModule, + bool bWithAlpha ); + + bool resize( const ::basegfx::B2IVector& rSize ); + void clear(); + + virtual GraphicsSharedPtr getGraphics() override; + + virtual BitmapSharedPtr getBitmap() const override; + virtual ::basegfx::B2IVector getSize() const override; + virtual bool hasAlpha() const override; + + COMReference<surface_type> getSurface() const { return mpSurface; } + + bool draw( double fAlpha, + const ::basegfx::B2DPoint& rPos, + const ::basegfx::B2DHomMatrix& rTransform ); + + bool draw( const ::basegfx::B2IRange& rArea ); + + bool draw( double fAlpha, + const ::basegfx::B2DPoint& rPos, + const ::basegfx::B2DRange& rArea, + const ::basegfx::B2DHomMatrix& rTransform ); + + bool draw( double fAlpha, + const ::basegfx::B2DPoint& rPos, + const ::basegfx::B2DPolyPolygon& rClipPoly, + const ::basegfx::B2DHomMatrix& rTransform ); + + virtual css::uno::Sequence< sal_Int8 > getData( + css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerRectangle2D& rect ) override; + + virtual void setData( + const css::uno::Sequence< sal_Int8 >& data, + const css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerRectangle2D& rect ) override; + + virtual void setPixel( + const css::uno::Sequence< sal_Int8 >& color, + const css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerPoint2D& pos ) override; + + virtual css::uno::Sequence< sal_Int8 > getPixel( + css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerPoint2D& pos ) override; + + private: + void init(); + + // Refcounted global GDI+ state container + GDIPlusUserSharedPtr mpGdiPlusUser; + + // size of this image in pixels [integral unit] + ::basegfx::B2IVector maSize; + + // pointer to the rendermodule, needed to create surfaces + // which are used as container for the actual pixel data. + // generally we could use any kind of storage, but GDI+ + // is not willing to render antialiased fonts unless we + // use this special kind of container, don't ask me why... + IDXRenderModuleSharedPtr mpRenderModule; + + // pointer to the surface manager, needed in case clients + // want to resize the bitmap. + std::shared_ptr<canvas::ISurfaceProxyManager> mpSurfaceManager; + + // access point to the surface proxy which handles + // the hardware-dependent rendering stuff. + std::shared_ptr< canvas::ISurfaceProxy > mpSurfaceProxy; + + // container for pixel data, we need to use a directx + // surface since GDI+ sucks... + COMReference<surface_type> mpSurface; + + // since GDI+ does not work correctly in case we + // run on a 16bit display [don't ask me why] we need + // to occasionally render to a native GDI+ bitmap. + BitmapSharedPtr mpGDIPlusBitmap; + // Graphics for the mpGDIPlusBitmap + GraphicsSharedPtr mpGraphics; + + // internal implementation of the iColorBuffer interface + std::shared_ptr<canvas::IColorBuffer> mpColorBuffer; + + // indicates whether the associated surface needs + // to refresh its contents or not. in other words, + // this flag is set iff both representations are + // out of sync. + mutable bool mbIsSurfaceDirty; + + // true if the bitmap contains an alpha channel + bool mbAlpha; + }; + + typedef std::shared_ptr< DXSurfaceBitmap > DXSurfaceBitmapSharedPtr; +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |