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, 126 insertions, 0 deletions

diff --git a/canvas/source/cairo/cairo_canvasbitmap.hxx b/canvas/source/cairo/cairo_canvasbitmap.hxx
new file mode 100644
index 000000000..8826bc82e
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvasbitmap.hxx
@@ -0,0 +1,126 @@
+/* -*- 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 <cppuhelper/compbase.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <com/sun/star/beans/XFastPropertySet.hpp>
+#include <comphelper/uno3.hxx>
+
+#include <base/bitmapcanvasbase.hxx>
+#include <base/basemutexhelper.hxx>
+#include <base/integerbitmapbase.hxx>
+
+#include "cairo_canvashelper.hxx"
+#include "cairo_repainttarget.hxx"
+
+
+/* Definition of CanvasBitmap class */
+
+namespace cairocanvas
+{
+    typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
+                                             css::rendering::XIntegerBitmap,
+                                             css::lang::XServiceInfo,
+                                             css::beans::XFastPropertySet >   CanvasBitmapBase_Base;
+    class CanvasBitmapSpriteSurface_Base :
+        public ::canvas::BaseMutexHelper<CanvasBitmapBase_Base>,
+        public SurfaceProvider
+    {
+    };
+
+    typedef ::canvas::IntegerBitmapBase<
+        canvas::BitmapCanvasBase2<
+            CanvasBitmapSpriteSurface_Base,
+            CanvasHelper,
+            ::osl::MutexGuard,
+            ::cppu::OWeakObject> > CanvasBitmap_Base;
+
+    class CanvasBitmap : public CanvasBitmap_Base,
+                         public RepaintTarget
+    {
+    public:
+        /** Create a canvas bitmap for the given surface
+
+            @param rSize
+            Size of the bitmap
+
+            @param rDevice
+            Reference device, with which bitmap should be compatible
+        */
+        CanvasBitmap( const ::basegfx::B2ISize& rSize,
+                      SurfaceProviderRef  rDevice,
+                      css::rendering::XGraphicDevice* pDevice,
+                      bool                      bHasAlpha );
+
+        /// 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( CanvasBitmap, CanvasBitmapBase_Base, ::cppu::WeakComponentImplHelperBase )
+
+        // XServiceInfo
+        virtual OUString SAL_CALL getImplementationName(  ) override;
+        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+        virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) 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;
+
+        // RepaintTarget
+        virtual bool repaint( const ::cairo::SurfaceSharedPtr&                pSurface,
+                              const css::rendering::ViewState&   viewState,
+                              const css::rendering::RenderState& renderState ) override;
+
+        // XFastPropertySet
+        // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
+        // handle values have these meanings:
+        // 0 ... get pointer to BitmapEx
+        // 1 ... get X pixmap handle to rgb content
+        // 2 ... FIXME: leftover? ever called with this? always returns nothing (empty Any)
+        // returned any contains either BitmapEx pointer or array of three Any value
+        //     1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
+        //     2nd the pixmap handle (sal_Int64)
+        //     3rd the pixmap depth
+        virtual css::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle) override;
+        virtual void SAL_CALL setFastPropertyValue(sal_Int32, const css::uno::Any&) override {}
+
+    private:
+        SurfaceProviderRef        mpSurfaceProvider;
+        ::cairo::SurfaceSharedPtr mpBufferSurface;
+        ::cairo::CairoSharedPtr   mpBufferCairo;
+
+        const ::basegfx::B2ISize  maSize;
+        const bool                mbHasAlpha;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */