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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 .
+ */
+
+#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: */