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/* -*- 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 .
*/
#pragma once
#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::B2ISize& rSize,
const std::shared_ptr<canvas::ISurfaceProxyManager>& rMgr,
const IDXRenderModuleSharedPtr& rRenderModule,
bool bWithAlpha );
bool resize(const ::basegfx::B2ISize& rSize);
void clear();
virtual GraphicsSharedPtr getGraphics() override;
virtual BitmapSharedPtr getBitmap() const override;
virtual ::basegfx::B2ISize getSize() const override;
virtual bool hasAlpha() const override;
sal::systools::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::B2ISize 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...
sal::systools::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;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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