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-rw-r--r--canvas/source/directx/dx_canvas.cxx258
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diff --git a/canvas/source/directx/dx_canvas.cxx b/canvas/source/directx/dx_canvas.cxx
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+++ b/canvas/source/directx/dx_canvas.cxx
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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 .
+ */
+
+#include <sal/config.h>
+
+#include <memory>
+#include <utility>
+
+#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 <cppuhelper/supportsservice.hxx>
+#include <osl/mutex.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/sysdata.hxx>
+#include <vcl/skia/SkiaHelper.hxx>
+#include <vcl/window.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include "dx_canvas.hxx"
+#include "dx_graphicsprovider.hxx"
+#include "dx_winstuff.hxx"
+
+using namespace ::com::sun::star;
+
+namespace dxcanvas
+{
+ namespace {
+
+ /// Actual canonical implementation of the GraphicsProvider interface
+ class GraphicsProviderImpl : public GraphicsProvider
+ {
+ GraphicsSharedPtr mpGraphics;
+ public:
+ explicit GraphicsProviderImpl( GraphicsSharedPtr && pGraphics ) : mpGraphics( std::move(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;
+
+ 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>(
+ GraphicsSharedPtr(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 "com.sun.star.rendering.Canvas.GDI+";
+ }
+
+ // XServiceInfo
+ css::uno::Sequence<OUString> Canvas::getSupportedServiceNames( )
+ {
+ return { "com.sun.star.rendering.Canvas.GDI+" };
+ }
+ OUString Canvas::getImplementationName( )
+ {
+ return "com.sun.star.comp.rendering.Canvas.GDI+";
+ }
+ sal_Bool Canvas::supportsService( const OUString& sServiceName )
+ {
+ return cppu::supportsService(this, sServiceName);
+ }
+
+ 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 "com.sun.star.rendering.BitmapCanvas.GDI+";
+ }
+
+ // XServiceInfo
+ css::uno::Sequence<OUString> BitmapCanvas::getSupportedServiceNames( )
+ {
+ return { "com.sun.star.rendering.BitmapCanvas.GDI+" };
+ }
+ OUString BitmapCanvas::getImplementationName( )
+ {
+ return "com.sun.star.comp.rendering.BitmapCanvas.GDI+";
+ }
+ sal_Bool BitmapCanvas::supportsService( const OUString& sServiceName )
+ {
+ return cppu::supportsService(this, sServiceName);
+ }
+
+ IBitmapSharedPtr BitmapCanvas::getBitmap() const
+ {
+ return mpTarget;
+ }
+
+ extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+ canvas_gdiplus_Canvas_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+ {
+ rtl::Reference<Canvas> xCanvas(new Canvas(args, context));
+ xCanvas->initialize();
+ xCanvas->acquire();
+ return static_cast<cppu::OWeakObject*>(xCanvas.get());
+ }
+
+ extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+ canvas_gdiplus_BitmapCanvas_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+ {
+ rtl::Reference<BitmapCanvas> xCanvas(new BitmapCanvas(args, context));
+ xCanvas->initialize();
+ xCanvas->acquire();
+ return static_cast<cppu::OWeakObject*>(xCanvas.get());
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-08 16:29:44 +0000