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Diffstat (limited to 'include/drawinglayer/primitive2d/animatedprimitive2d.hxx')
| -rw-r--r-- | include/drawinglayer/primitive2d/animatedprimitive2d.hxx | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/animatedprimitive2d.hxx b/include/drawinglayer/primitive2d/animatedprimitive2d.hxx new file mode 100644 index 000000000000..59ee3225dc78 --- /dev/null +++ b/include/drawinglayer/primitive2d/animatedprimitive2d.hxx @@ -0,0 +1,171 @@ +/* -*- 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_DRAWINGLAYER_PRIMITIVE2D_ANIMATEDPRIMITIVE2D_HXX +#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ANIMATEDPRIMITIVE2D_HXX + +#include <drawinglayer/drawinglayerdllapi.h> + +#include <drawinglayer/primitive2d/groupprimitive2d.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +////////////////////////////////////////////////////////////////////////////// +// predefines +namespace drawinglayer { namespace animation { + class AnimationEntry; +}} + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** AnimatedSwitchPrimitive2D class + + This is the basic class for simple, animated primitives. The basic idea + is to have an animation definition (AnimationEntry) who's basic + functionality is to return a state value for any given animation time in + the range of [0.0 .. 1.0]. Depending on the state, the decomposition + calculates an index, which of the members of the child vector is to + be visualized. + + An example: For blinking, the Child vector should exist of two entries; + for values of [0.0 .. 0.5] the first, else the last entry will be used. + This mechanism is not limited to two entries, though. + */ + class DRAWINGLAYER_DLLPUBLIC AnimatedSwitchPrimitive2D : public GroupPrimitive2D + { + private: + /** + The animation definition which allows translation of a point in time + to an animation state [0.0 .. 1.0]. This member contains a cloned + definition and is owned by this implementation. + */ + animation::AnimationEntry* mpAnimationEntry; + + /// bitfield + /** flag if this is a text or graphic animation. Necessary since SdrViews need to differentiate + between both types if they are on/off + */ + unsigned mbIsTextAnimation : 1; + + public: + /// constructor + AnimatedSwitchPrimitive2D( + const animation::AnimationEntry& rAnimationEntry, + const Primitive2DSequence& rChildren, + bool bIsTextAnimation); + + /// destructor - needed due to mpAnimationEntry + virtual ~AnimatedSwitchPrimitive2D(); + + /// data read access + const animation::AnimationEntry& getAnimationEntry() const { return *mpAnimationEntry; } + bool isTextAnimation() const { return mbIsTextAnimation; } + bool isGraphicAnimation() const { return !isTextAnimation(); } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + + /** The getDecomposition is overloaded here since the decompose is dependent of the point in time, + so the default implementation is nut useful here, it needs to be handled locally + */ + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** AnimatedBlinkPrimitive2D class + + Basically the same mechanism as in AnimatedSwitchPrimitive2D, but the + decomposition is specialized in delivering the children in the + range [0.0.. 0.5] and an empty sequence else + */ + class DRAWINGLAYER_DLLPUBLIC AnimatedBlinkPrimitive2D : public AnimatedSwitchPrimitive2D + { + protected: + public: + /// constructor + AnimatedBlinkPrimitive2D( + const animation::AnimationEntry& rAnimationEntry, + const Primitive2DSequence& rChildren, + bool bIsTextAnimation); + + /// create local decomposition + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** AnimatedInterpolatePrimitive2D class + + Specialized on multi-step animations based on matrix transformations. The + Child sequelce will be embedded in a matrix transformation. That transformation + will be linearly combined from the decomposed values and the animation value + to allow a smooth animation. + */ + class DRAWINGLAYER_DLLPUBLIC AnimatedInterpolatePrimitive2D : public AnimatedSwitchPrimitive2D + { + private: + /// the transformations + std::vector< basegfx::tools::B2DHomMatrixBufferedDecompose > maMatrixStack; + + protected: + public: + /// constructor + AnimatedInterpolatePrimitive2D( + const std::vector< basegfx::B2DHomMatrix >& rmMatrixStack, + const animation::AnimationEntry& rAnimationEntry, + const Primitive2DSequence& rChildren, + bool bIsTextAnimation); + + /// create local decomposition + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ANIMATEDPRIMITIVE2D_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |