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, 169 insertions, 0 deletions

diff --git a/canvas/source/vcl/spritecanvashelper.hxx b/canvas/source/vcl/spritecanvashelper.hxx
new file mode 100644
index 000000000..af3f5526a
--- /dev/null
+++ b/canvas/source/vcl/spritecanvashelper.hxx
@@ -0,0 +1,169 @@
+/* -*- 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/rendering/XAnimatedSprite.hpp>
+#include <com/sun/star/rendering/XAnimation.hpp>
+#include <com/sun/star/rendering/XCustomSprite.hpp>
+
+#include <vcl/vclptr.hxx>
+#include <vcl/virdev.hxx>
+
+#include <spriteredrawmanager.hxx>
+#include <canvas/elapsedtime.hxx>
+#include "canvashelper.hxx"
+
+
+namespace vclcanvas
+{
+    class SpriteCanvas;
+
+    class SpriteCanvasHelper : public CanvasHelper
+    {
+    public:
+        SpriteCanvasHelper();
+        ~SpriteCanvasHelper();
+
+        void init( const OutDevProviderSharedPtr& rOutDev,
+                   SpriteCanvas&                  rOwningSpriteCanvas,
+                   ::canvas::SpriteRedrawManager& rManager,
+                   bool                           bProtect,
+                   bool                           bHaveAlpha );
+
+        /// Dispose all internal references
+        void disposing();
+
+        // XSpriteCanvas
+        css::uno::Reference<
+              css::rendering::XAnimatedSprite >        createSpriteFromAnimation(
+                const css::uno::Reference< css::rendering::XAnimation >& animation );
+
+        css::uno::Reference<
+              css::rendering::XAnimatedSprite >        createSpriteFromBitmaps(
+                const css::uno::Sequence<
+                      css::uno::Reference<
+                            css::rendering::XBitmap > >& animationBitmaps,
+                sal_Int8                                              interpolationMode );
+
+        css::uno::Reference<
+              css::rendering::XCustomSprite >      createCustomSprite(
+                const css::geometry::RealSize2D& spriteSize );
+
+        css::uno::Reference<
+              css::rendering::XSprite >                createClonedSprite(
+                const css::uno::Reference< css::rendering::XSprite >& original );
+
+        /** Actually perform the screen update
+
+            @param bUpdateAll
+            sal_True, if everything must be updated, not only changed
+            sprites
+
+            @param io_bSurfaceDirty
+            In/out parameter, whether backbuffer surface is dirty (if
+            yes, we're performing a full update, anyway)
+         */
+        bool updateScreen( bool bUpdateAll,
+                           bool&    io_bSurfaceDirty );
+
+        // SpriteRedrawManager functor calls
+
+
+        /** Gets called for simple background repaints
+         */
+        void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
+
+        /** Gets called when area can be handled by scrolling.
+
+            Called method must copy screen content from rMoveStart to
+            rMoveEnd, and restore the background in the uncovered
+            areas.
+
+            @param rMoveStart
+            Source rect of the scroll
+
+            @param rMoveEnd
+            Dest rect of the scroll
+
+            @param rUpdateArea
+            All info necessary, should rMoveStart be partially or
+            fully outside the outdev
+         */
+        void scrollUpdate( const ::basegfx::B2DRange&                           rMoveStart,
+                           const ::basegfx::B2DRange&                           rMoveEnd,
+                           const ::canvas::SpriteRedrawManager::UpdateArea&     rUpdateArea );
+
+        void opaqueUpdate( const ::basegfx::B2DRange&                          rTotalArea,
+                           const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
+
+        void genericUpdate( const ::basegfx::B2DRange&                          rTotalArea,
+                            const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
+
+        css::uno::Any isUnsafeScrolling() const
+        {
+            return css::uno::Any(mbIsUnsafeScrolling);
+        }
+        void enableUnsafeScrolling( const css::uno::Any& rAny )
+        {
+            mbIsUnsafeScrolling = rAny.get<bool>();
+        }
+
+        css::uno::Any isSpriteBounds() const
+        {
+            return css::uno::Any(mbShowSpriteBounds);
+        }
+        void enableSpriteBounds( const css::uno::Any& rAny )
+        {
+            mbShowSpriteBounds = rAny.get<bool>();
+        }
+
+    private:
+        void renderFrameCounter( OutputDevice& rOutDev );
+        void renderSpriteCount( OutputDevice& rOutDev );
+        void renderMemUsage( OutputDevice& rOutDev );
+
+        /// Set from the SpriteCanvas: instance coordinating sprite redraw
+        ::canvas::SpriteRedrawManager*                  mpRedrawManager;
+
+        /// Set from the init method. used to generate sprites
+        SpriteCanvas*                                   mpOwningSpriteCanvas;
+
+        /** Background compositing surface.
+
+            Typically, sprites will be composited in the background,
+            before pushing them to screen. This happens here.
+         */
+        VclPtr< VirtualDevice > maVDev;
+
+        /// For the frame counter timings
+        ::canvas::tools::ElapsedTime                    maLastUpdate;
+
+        /// When true, canvas displays debug info on each frame
+        bool                                            mbShowFrameInfo;
+
+        /// When true, canvas creates all new sprites with red lines in the corners
+        bool                                            mbShowSpriteBounds;
+
+        /// When true, canvas uses the scroll optimization (direct scrolls in front buffer)
+        bool                                            mbIsUnsafeScrolling;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */