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Diffstat (limited to '')
| -rw-r--r-- | canvas/source/directx/dx_canvas.cxx | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_canvas.cxx b/canvas/source/directx/dx_canvas.cxx new file mode 100644 index 000000000..39864b14e --- /dev/null +++ b/canvas/source/directx/dx_canvas.cxx @@ -0,0 +1,257 @@ +/* -*- 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 . + */ + +#include <sal/config.h> + +#include <memory> + +#include <sal/log.hxx> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/numeric/ftools.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/utils/canvastools.hxx> +#include <com/sun/star/awt/XSystemDependentWindowPeer.hpp> +#include <com/sun/star/awt/XWindow.hpp> +#include <com/sun/star/lang/NoSupportException.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> +#include <com/sun/star/registry/XRegistryKey.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <comphelper/servicedecl.hxx> +#include <cppuhelper/factory.hxx> +#include <cppuhelper/implementationentry.hxx> +#include <osl/mutex.hxx> +#include <tools/diagnose_ex.h> +#include <vcl/sysdata.hxx> +#include <vcl/opengl/OpenGLWrapper.hxx> +#include <vcl/skia/SkiaHelper.hxx> + +#include <canvas/canvastools.hxx> + +#include "dx_canvas.hxx" +#include "dx_graphicsprovider.hxx" +#include "dx_winstuff.hxx" + +#define CANVAS_TECH "GDI+" +#define CANVAS_SERVICE_NAME "com.sun.star.rendering.Canvas." CANVAS_TECH +#define CANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.Canvas." CANVAS_TECH +#define BITMAPCANVAS_SERVICE_NAME "com.sun.star.rendering.BitmapCanvas." CANVAS_TECH +#define BITMAPCANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.BitmapCanvas." CANVAS_TECH + + +using namespace ::com::sun::star; + +namespace sdecl = comphelper::service_decl; + +namespace dxcanvas +{ + namespace { + + /// Actual canonical implementation of the GraphicsProvider interface + class GraphicsProviderImpl : public GraphicsProvider + { + GraphicsSharedPtr mpGraphics; + public: + explicit GraphicsProviderImpl( Gdiplus::Graphics* pGraphics ) : mpGraphics( pGraphics ) {} + virtual GraphicsSharedPtr getGraphics() override { return mpGraphics; } + }; + + } + + Canvas::Canvas( const uno::Sequence< uno::Any >& aArguments, + const uno::Reference< uno::XComponentContext >& rxContext ) : + maArguments(aArguments), + mxComponentContext( rxContext ) + { + } + + void Canvas::initialize() + { + // #i64742# Only perform initialization when not in probe mode + if( maArguments.getLength() == 0 ) + return; + + // tdf#93870 - force VCL canvas in OpenGL mode for now. + assert( !OpenGLWrapper::isVCLOpenGLEnabled() ); + assert( !SkiaHelper::isVCLSkiaEnabled() ); + + SAL_INFO("canvas.directx", "Canvas::initialize called" ); + + // At index 1, we expect a HWND handle here, containing a + // pointer to a valid window, on which to output + // At index 2, we expect the current window bound rect + ENSURE_ARG_OR_THROW( maArguments.getLength() >= 5 && + maArguments[4].getValueTypeClass() == uno::TypeClass_SEQUENCE, + "Canvas::initialize: wrong number of arguments, or wrong types" ); + + uno::Sequence<sal_Int8> aSeq; + maArguments[4] >>= aSeq; + + const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray()); + if( !pSysData || !pSysData->hDC ) + throw lang::NoSupportException("Passed SystemGraphicsData or HDC invalid!"); + + sal_Int64 nPtr = 0; + maArguments[0] >>= nPtr; + OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr); + ENSURE_ARG_OR_THROW( pOutDev != nullptr,"Canvas::initialize: invalid OutDev pointer" ); + + // setup helper + maDeviceHelper.init( pSysData->hDC, pOutDev, *this ); + maCanvasHelper.setDevice( *this ); + maCanvasHelper.setTarget( + std::make_shared<GraphicsProviderImpl>( + Gdiplus::Graphics::FromHDC(pSysData->hDC))); + + maArguments.realloc(0); + } + + void Canvas::disposeThis() + { + ::osl::MutexGuard aGuard( m_aMutex ); + + mxComponentContext.clear(); + + // forward to parent + CanvasBaseT::disposeThis(); + } + + OUString SAL_CALL Canvas::getServiceName( ) + { + return CANVAS_SERVICE_NAME; + } + + BitmapCanvas::BitmapCanvas( const uno::Sequence< uno::Any >& aArguments, + const uno::Reference< uno::XComponentContext >& rxContext ) : + maArguments(aArguments), + mxComponentContext( rxContext ), + mpTarget() + { + } + + void BitmapCanvas::initialize() + { + // #i64742# Only perform initialization when not in probe mode + if( maArguments.getLength() == 0 ) + return; + + SAL_INFO("canvas.directx", "BitmapCanvas::initialize called" ); + + // At index 1, we expect a HWND handle here, containing a + // pointer to a valid window, on which to output + // At index 2, we expect the current window bound rect + ENSURE_ARG_OR_THROW( maArguments.getLength() >= 5 && + maArguments[4].getValueTypeClass() == uno::TypeClass_SEQUENCE, + "Canvas::initialize: wrong number of arguments, or wrong types" ); + + uno::Sequence<sal_Int8> aSeq; + maArguments[4] >>= aSeq; + + const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray()); + if( !pSysData || !pSysData->hDC ) + throw lang::NoSupportException( "Passed SystemGraphicsData or HDC invalid!"); + + sal_Int64 nPtr = 0; + maArguments[0] >>= nPtr; + OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr); + ENSURE_ARG_OR_THROW( pOutDev != nullptr,"Canvas::initialize: invalid OutDev pointer" ); + + // setup helper + maDeviceHelper.init( pSysData->hDC, pOutDev, *this ); + maCanvasHelper.setDevice( *this ); + + // check whether we can actually provide a BitmapCanvas + // here. for this, check whether the HDC has a bitmap + // selected. + HBITMAP hBmp; + hBmp=static_cast<HBITMAP>(GetCurrentObject(pSysData->hDC, OBJ_BITMAP)); + if( !hBmp || GetObjectType(pSysData->hDC) != OBJ_MEMDC ) + { + throw lang::NoSupportException( "Passed HDC is no mem DC/has no bitmap selected!"); + } + + mpTarget = std::make_shared<DXBitmap>( + BitmapSharedPtr( + Gdiplus::Bitmap::FromHBITMAP( + hBmp, nullptr) ), + false ); + + maCanvasHelper.setTarget( mpTarget ); + + maArguments.realloc(0); + } + + void BitmapCanvas::disposeThis() + { + ::osl::MutexGuard aGuard( m_aMutex ); + + mpTarget.reset(); + mxComponentContext.clear(); + + // forward to parent + BitmapCanvasBaseT::disposeThis(); + } + + OUString SAL_CALL BitmapCanvas::getServiceName( ) + { + return BITMAPCANVAS_SERVICE_NAME; + } + + IBitmapSharedPtr BitmapCanvas::getBitmap() const + { + return mpTarget; + } + + static uno::Reference<uno::XInterface> initCanvas( Canvas* pCanvas ) + { + uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas)); + pCanvas->initialize(); + return xRet; + } + + sdecl::class_<Canvas, sdecl::with_args<true> > const serviceImpl1(&initCanvas); + const sdecl::ServiceDecl dxCanvasDecl( + serviceImpl1, + CANVAS_IMPLEMENTATION_NAME, + CANVAS_SERVICE_NAME ); + + static uno::Reference<uno::XInterface> initBitmapCanvas( BitmapCanvas* pCanvas ) + { + uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas)); + pCanvas->initialize(); + return xRet; + } + + namespace sdecl = comphelper::service_decl; + sdecl::class_<BitmapCanvas, sdecl::with_args<true> > const serviceImpl2(&initBitmapCanvas); + const sdecl::ServiceDecl dxBitmapCanvasDecl( + serviceImpl2, + BITMAPCANVAS_IMPLEMENTATION_NAME, + BITMAPCANVAS_SERVICE_NAME ); +} + +// The C shared lib entry points +extern "C" +SAL_DLLPUBLIC_EXPORT void* gdipluscanvas_component_getFactory( char const* pImplName, + void*, void* ) +{ + return sdecl::component_getFactoryHelper( pImplName, {&dxcanvas::dxCanvasDecl, &dxcanvas::dxBitmapCanvasDecl} ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |