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, 142 insertions, 0 deletions

diff --git a/canvas/source/cairo/cairo_canvas.hxx b/canvas/source/cairo/cairo_canvas.hxx
new file mode 100644
index 000000000..0c41a8a5c
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvas.hxx
@@ -0,0 +1,142 @@
+/* -*- 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 <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/lang/XServiceName.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/util/XUpdatable.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+
+#include <cppuhelper/compbase.hxx>
+#include <comphelper/uno3.hxx>
+
+#include <base/basemutexhelper.hxx>
+#include <base/bitmapcanvasbase.hxx>
+#include <base/graphicdevicebase.hxx>
+#include <base/integerbitmapbase.hxx>
+
+#include "cairo_canvashelper.hxx"
+#include "cairo_devicehelper.hxx"
+#include "cairo_repainttarget.hxx"
+#include "cairo_surfaceprovider.hxx"
+
+namespace cairocanvas
+{
+    typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
+                                             css::rendering::XIntegerBitmap,
+                                             css::rendering::XGraphicDevice,
+                                             css::lang::XMultiServiceFactory,
+                                             css::util::XUpdatable,
+                                             css::beans::XPropertySet,
+                                             css::lang::XServiceName,
+                                             css::lang::XServiceInfo >  GraphicDeviceBase_Base;
+    typedef ::canvas::GraphicDeviceBase< ::canvas::BaseMutexHelper< GraphicDeviceBase_Base >,
+                                                 DeviceHelper,
+                                                 ::osl::MutexGuard,
+                                                 ::cppu::OWeakObject > CanvasBase_Base;
+
+    /** Mixin SurfaceProvider
+
+        Have to mixin the SurfaceProvider before deriving from
+        ::canvas::CanvasBase, as this template should already
+        implement some of those interface methods.
+
+        The reason why this appears kinda convoluted is the fact that
+        we cannot specify non-IDL types as WeakComponentImplHelper
+        template args, and furthermore, don't want to derive
+        ::canvas::CanvasBase directly from
+        SurfaceProvider (because derivees of
+        ::canvas::CanvasBase have to explicitly forward the
+        XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS)
+        anyway).
+     */
+    class CanvasBaseSurfaceProvider_Base : public CanvasBase_Base,
+                                           public SurfaceProvider
+    {
+    };
+
+    typedef ::canvas::IntegerBitmapBase<
+        canvas::BitmapCanvasBase2<
+            CanvasBaseSurfaceProvider_Base,
+            CanvasHelper,
+            ::osl::MutexGuard,
+            ::cppu::OWeakObject> > CanvasBaseT;
+
+    /** Product of this component's factory.
+
+        The Canvas object combines the actual Window canvas with
+        the XGraphicDevice interface. This is because there's a
+        one-to-one relation between them, anyway, since each window
+        can have exactly one canvas and one associated
+        XGraphicDevice. And to avoid messing around with circular
+        references, this is implemented as one single object.
+     */
+    class Canvas : public CanvasBaseT,
+                   public RepaintTarget
+    {
+    public:
+        Canvas( const css::uno::Sequence< css::uno::Any >&               aArguments,
+                const css::uno::Reference< css::uno::XComponentContext >& rxContext );
+
+        void initialize();
+
+        /// For resource tracking
+        virtual ~Canvas() override;
+
+        /// Dispose all internal references
+        virtual void disposeThis() override;
+
+        // Forwarding the XComponent implementation to the
+        // cppu::ImplHelper templated base
+        //                          Classname     Base doing refcounting        Base implementing the XComponent interface
+        //                            |                 |                            |
+        //                            V                 V                            V
+        DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( Canvas, GraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase )
+
+        // XServiceName
+        virtual OUString SAL_CALL getServiceName(  ) override;
+
+        //  XServiceInfo
+        virtual sal_Bool SAL_CALL supportsService(const OUString& sServiceName) override;
+        virtual OUString SAL_CALL getImplementationName() override;
+        virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+        // RepaintTarget
+        virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
+                  const css::rendering::ViewState& viewState,
+                  const css::rendering::RenderState&   renderState ) override;
+
+        // SurfaceProvider
+        virtual ::cairo::SurfaceSharedPtr getSurface() override;
+        virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override;
+        virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override;
+        virtual ::cairo::SurfaceSharedPtr changeSurface() override;
+        virtual OutputDevice* getOutputDevice() override;
+
+     private:
+        css::uno::Sequence< css::uno::Any >                maArguments;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */