Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 258 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..7f29813c9
--- /dev/null
+++ b/canvas/source/directx/dx_canvas.cxx
@@ -0,0 +1,258 @@
+// /* -*- 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: */