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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 <vcl/bitmapex.hxx>
+
+#include <base/canvascustomspritehelper.hxx>
+#include <base/spritesurface.hxx>
+#include <vclwrapper.hxx>
+
+#include "backbuffer.hxx"
+
+
+namespace vclcanvas
+{
+ /* Definition of SpriteHelper class */
+
+ /** Helper class for canvas sprites.
+
+ This class implements all sprite-related functionality, like
+ that available on the XSprite interface.
+ */
+ class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
+ {
+ public:
+ SpriteHelper();
+
+ // make CanvasCustomSpriteHelper::init visible for name lookup
+ using ::canvas::CanvasCustomSpriteHelper::init;
+
+ /** Late-init the sprite helper
+
+ @param rSpriteSize
+ Size of the sprite
+
+ @param rSpriteCanvas
+ Sprite canvas this sprite is part of. Object stores
+ ref-counted reference to it, thus, don't forget to pass on
+ disposing()!
+
+ @param rBackBuffer
+ Buffer of the sprite content (non-alpha part)
+
+ @param rBackBufferMask
+ Buffer of the sprite content (alpha part)
+ */
+ void init( const css::geometry::RealSize2D& rSpriteSize,
+ const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
+ const BackBufferSharedPtr& rBackBuffer,
+ const BackBufferSharedPtr& rBackBufferMask,
+ bool bShowSpriteBounds );
+
+ void disposing();
+
+ /** Repaint sprite content to associated sprite canvas
+
+ @param rPos
+ Output position (sprite's own position is disregarded)
+
+ @param io_bSurfacesDirty
+ When true, the referenced sprite surfaces (backBuffer and
+ backBufferMask) have been modified since last call.
+
+ @param bBufferedUpdate
+ When true, the redraw does <em>not</em> happen directly on
+ the front buffer, but within a VDev. Used to speed up
+ drawing.
+ */
+ void redraw( OutputDevice& rOutDev,
+ const ::basegfx::B2DPoint& rPos,
+ bool& bSurfacesDirty,
+ bool bBufferedUpdate ) const;
+
+ private:
+ virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
+ css::uno::Reference< css::rendering::XPolyPolygon2D >& xPoly ) const override;
+
+ // for the redraw
+ BackBufferSharedPtr mpBackBuffer;
+ BackBufferSharedPtr mpBackBufferMask;
+
+ /// Cached bitmap for the current sprite content
+ mutable ::canvas::vcltools::VCLObject<BitmapEx> maContent;
+
+ /// When true, line sprite corners in red
+ bool mbShowSpriteBounds;
+
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */