250 lines
8.9 KiB
C++
250 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/tools/canvastools.hxx>
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#include <com/sun/star/awt/XSystemDependentWindowPeer.hpp>
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#include <com/sun/star/awt/XWindow.hpp>
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#include <com/sun/star/lang/NoSupportException.hpp>
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#include <com/sun/star/lang/XSingleServiceFactory.hpp>
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#include <com/sun/star/registry/XRegistryKey.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <comphelper/servicedecl.hxx>
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#include <cppuhelper/factory.hxx>
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#include <cppuhelper/implementationentry.hxx>
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#include <osl/mutex.hxx>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <tools/diagnose_ex.h>
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#include <vcl/sysdata.hxx>
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#include <vcl/opengl/OpenGLWrapper.hxx>
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#include <canvas/canvastools.hxx>
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#include "dx_canvas.hxx"
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#include "dx_graphicsprovider.hxx"
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#include "dx_winstuff.hxx"
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#define CANVAS_TECH "GDI+"
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#define CANVAS_SERVICE_NAME "com.sun.star.rendering.Canvas." CANVAS_TECH
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#define CANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.Canvas." CANVAS_TECH
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#define BITMAPCANVAS_SERVICE_NAME "com.sun.star.rendering.BitmapCanvas." CANVAS_TECH
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#define BITMAPCANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.BitmapCanvas." CANVAS_TECH
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using namespace ::com::sun::star;
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namespace sdecl = comphelper::service_decl;
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namespace dxcanvas
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{
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/// Actual canonical implementation of the GraphicsProvider interface
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class GraphicsProviderImpl : public GraphicsProvider
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{
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GraphicsSharedPtr mpGraphics;
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public:
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explicit GraphicsProviderImpl( Gdiplus::Graphics* pGraphics ) : mpGraphics( pGraphics ) {}
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virtual GraphicsSharedPtr getGraphics() override { return mpGraphics; }
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};
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Canvas::Canvas( const uno::Sequence< uno::Any >& aArguments,
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const uno::Reference< uno::XComponentContext >& rxContext ) :
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maArguments(aArguments),
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mxComponentContext( rxContext )
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{
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}
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void Canvas::initialize()
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{
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// #i64742# Only perform initialization when not in probe mode
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if( maArguments.getLength() == 0 )
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return;
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// tdf#93870 - force VCL canvas in OpenGL mode for now.
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assert( !OpenGLWrapper::isVCLOpenGLEnabled() );
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SAL_INFO("canvas.directx", "Canvas::initialize called" );
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// At index 1, we expect a HWND handle here, containing a
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// pointer to a valid window, on which to output
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// At index 2, we expect the current window bound rect
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ENSURE_ARG_OR_THROW( maArguments.getLength() >= 6 &&
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maArguments[5].getValueTypeClass() == uno::TypeClass_SEQUENCE,
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"Canvas::initialize: wrong number of arguments, or wrong types" );
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uno::Sequence<sal_Int8> aSeq;
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maArguments[5] >>= aSeq;
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const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray());
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if( !pSysData || !pSysData->hDC )
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throw lang::NoSupportException("Passed SystemGraphicsData or HDC invalid!");
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sal_Int64 nPtr = 0;
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maArguments[0] >>= nPtr;
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OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr);
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ENSURE_ARG_OR_THROW( pOutDev != nullptr,"Canvas::initialize: invalid OutDev pointer" );
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// setup helper
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maDeviceHelper.init( pSysData->hDC, pOutDev, *this );
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maCanvasHelper.setDevice( *this );
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maCanvasHelper.setTarget(
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GraphicsProviderSharedPtr(
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new GraphicsProviderImpl(
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Gdiplus::Graphics::FromHDC(pSysData->hDC))));
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maArguments.realloc(0);
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}
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void Canvas::disposeThis()
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{
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::osl::MutexGuard aGuard( m_aMutex );
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mxComponentContext.clear();
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// forward to parent
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CanvasBaseT::disposeThis();
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}
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OUString SAL_CALL Canvas::getServiceName( )
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{
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return OUString( CANVAS_SERVICE_NAME );
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}
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BitmapCanvas::BitmapCanvas( const uno::Sequence< uno::Any >& aArguments,
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const uno::Reference< uno::XComponentContext >& rxContext ) :
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maArguments(aArguments),
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mxComponentContext( rxContext ),
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mpTarget()
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{
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}
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void BitmapCanvas::initialize()
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{
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// #i64742# Only perform initialization when not in probe mode
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if( maArguments.getLength() == 0 )
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return;
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SAL_INFO("canvas.directx", "BitmapCanvas::initialize called" );
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// At index 1, we expect a HWND handle here, containing a
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// pointer to a valid window, on which to output
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// At index 2, we expect the current window bound rect
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ENSURE_ARG_OR_THROW( maArguments.getLength() >= 6 &&
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maArguments[5].getValueTypeClass() == uno::TypeClass_SEQUENCE,
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"Canvas::initialize: wrong number of arguments, or wrong types" );
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uno::Sequence<sal_Int8> aSeq;
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maArguments[5] >>= aSeq;
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const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray());
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if( !pSysData || !pSysData->hDC )
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throw lang::NoSupportException( "Passed SystemGraphicsData or HDC invalid!");
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sal_Int64 nPtr = 0;
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maArguments[0] >>= nPtr;
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OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr);
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ENSURE_ARG_OR_THROW( pOutDev != nullptr,"Canvas::initialize: invalid OutDev pointer" );
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// setup helper
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maDeviceHelper.init( pSysData->hDC, pOutDev, *this );
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maCanvasHelper.setDevice( *this );
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// check whether we can actually provide a BitmapCanvas
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// here. for this, check whether the HDC has a bitmap
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// selected.
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HBITMAP hBmp;
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hBmp=static_cast<HBITMAP>(GetCurrentObject(pSysData->hDC, OBJ_BITMAP));
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if( !hBmp || GetObjectType(pSysData->hDC) != OBJ_MEMDC )
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{
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throw lang::NoSupportException( "Passed HDC is no mem DC/has no bitmap selected!");
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}
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mpTarget.reset( new DXBitmap(
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BitmapSharedPtr(
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Gdiplus::Bitmap::FromHBITMAP(
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hBmp, nullptr) ),
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false ));
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maCanvasHelper.setTarget( mpTarget );
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maArguments.realloc(0);
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}
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void BitmapCanvas::disposeThis()
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{
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::osl::MutexGuard aGuard( m_aMutex );
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mpTarget.reset();
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mxComponentContext.clear();
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// forward to parent
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BitmapCanvasBaseT::disposeThis();
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}
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OUString SAL_CALL BitmapCanvas::getServiceName( )
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{
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return OUString( BITMAPCANVAS_SERVICE_NAME );
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}
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IBitmapSharedPtr BitmapCanvas::getBitmap() const
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{
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return mpTarget;
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}
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static uno::Reference<uno::XInterface> initCanvas( Canvas* pCanvas )
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{
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uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas));
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pCanvas->initialize();
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return xRet;
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}
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sdecl::class_<Canvas, sdecl::with_args<true> > const serviceImpl1(&initCanvas);
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const sdecl::ServiceDecl dxCanvasDecl(
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serviceImpl1,
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CANVAS_IMPLEMENTATION_NAME,
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CANVAS_SERVICE_NAME );
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static uno::Reference<uno::XInterface> initBitmapCanvas( BitmapCanvas* pCanvas )
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{
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uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas));
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pCanvas->initialize();
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return xRet;
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}
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namespace sdecl = comphelper::service_decl;
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sdecl::class_<BitmapCanvas, sdecl::with_args<true> > const serviceImpl2(&initBitmapCanvas);
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const sdecl::ServiceDecl dxBitmapCanvasDecl(
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serviceImpl2,
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BITMAPCANVAS_IMPLEMENTATION_NAME,
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BITMAPCANVAS_SERVICE_NAME );
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}
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// The C shared lib entry points
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extern "C"
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SAL_DLLPUBLIC_EXPORT void* SAL_CALL gdipluscanvas_component_getFactory( sal_Char const* pImplName,
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void*, void* )
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{
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return sdecl::component_getFactoryHelper( pImplName, {&dxcanvas::dxCanvasDecl, &dxcanvas::dxBitmapCanvasDecl} );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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