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| -rw-r--r-- | canvas/source/vcl/spritehelper.hxx | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/canvas/source/vcl/spritehelper.hxx b/canvas/source/vcl/spritehelper.hxx new file mode 100644 index 000000000..1599fe407 --- /dev/null +++ b/canvas/source/vcl/spritehelper.hxx @@ -0,0 +1,111 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_CANVAS_SOURCE_VCL_SPRITEHELPER_HXX +#define INCLUDED_CANVAS_SOURCE_VCL_SPRITEHELPER_HXX + +#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; + + }; +} + +#endif // INCLUDED_CANVAS_SOURCE_VCL_SPRITEHELPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |