Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ANIMATEDPRIMITIVE2D_HXX
21 : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ANIMATEDPRIMITIVE2D_HXX
22 :
23 : #include <drawinglayer/drawinglayerdllapi.h>
24 :
25 : #include <drawinglayer/primitive2d/groupprimitive2d.hxx>
26 : #include <basegfx/matrix/b2dhommatrix.hxx>
27 : #include <basegfx/matrix/b2dhommatrixtools.hxx>
28 :
29 :
30 : // predefines
31 : namespace drawinglayer { namespace animation {
32 : class AnimationEntry;
33 : }}
34 :
35 :
36 :
37 : namespace drawinglayer
38 : {
39 : namespace primitive2d
40 : {
41 : /** AnimatedSwitchPrimitive2D class
42 :
43 : This is the basic class for simple, animated primitives. The basic idea
44 : is to have an animation definition (AnimationEntry) who's basic
45 : functionality is to return a state value for any given animation time in
46 : the range of [0.0 .. 1.0]. Depending on the state, the decomposition
47 : calculates an index, which of the members of the child vector is to
48 : be visualized.
49 :
50 : An example: For blinking, the Child vector should exist of two entries;
51 : for values of [0.0 .. 0.5] the first, else the last entry will be used.
52 : This mechanism is not limited to two entries, though.
53 : */
54 : class DRAWINGLAYER_DLLPUBLIC AnimatedSwitchPrimitive2D : public GroupPrimitive2D
55 : {
56 : private:
57 : /**
58 : The animation definition which allows translation of a point in time
59 : to an animation state [0.0 .. 1.0]. This member contains a cloned
60 : definition and is owned by this implementation.
61 : */
62 : animation::AnimationEntry* mpAnimationEntry;
63 :
64 : /// bitfield
65 : /** flag if this is a text or graphic animation. Necessary since SdrViews need to differentiate
66 : between both types if they are on/off
67 : */
68 : bool mbIsTextAnimation : 1;
69 :
70 : public:
71 : /// constructor
72 : AnimatedSwitchPrimitive2D(
73 : const animation::AnimationEntry& rAnimationEntry,
74 : const Primitive2DSequence& rChildren,
75 : bool bIsTextAnimation);
76 :
77 : /// destructor - needed due to mpAnimationEntry
78 : virtual ~AnimatedSwitchPrimitive2D();
79 :
80 : /// data read access
81 0 : const animation::AnimationEntry& getAnimationEntry() const { return *mpAnimationEntry; }
82 0 : bool isTextAnimation() const { return mbIsTextAnimation; }
83 0 : bool isGraphicAnimation() const { return !isTextAnimation(); }
84 :
85 : /// compare operator
86 : virtual bool operator==(const BasePrimitive2D& rPrimitive) const SAL_OVERRIDE;
87 :
88 : /// provide unique ID
89 : DeclPrimitive2DIDBlock()
90 :
91 : /** Override getDecomposition() here since the decompose
92 : depends on the point in time, so the default implementation is
93 : not useful here, it needs to be handled locally
94 : */
95 : virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;
96 : };
97 : } // end of namespace primitive2d
98 : } // end of namespace drawinglayer
99 :
100 :
101 :
102 : namespace drawinglayer
103 : {
104 : namespace primitive2d
105 : {
106 : /** AnimatedBlinkPrimitive2D class
107 :
108 : Basically the same mechanism as in AnimatedSwitchPrimitive2D, but the
109 : decomposition is specialized in delivering the children in the
110 : range [0.0.. 0.5] and an empty sequence else
111 : */
112 0 : class DRAWINGLAYER_DLLPUBLIC AnimatedBlinkPrimitive2D : public AnimatedSwitchPrimitive2D
113 : {
114 : protected:
115 : public:
116 : /// constructor
117 : AnimatedBlinkPrimitive2D(
118 : const animation::AnimationEntry& rAnimationEntry,
119 : const Primitive2DSequence& rChildren,
120 : bool bIsTextAnimation);
121 :
122 : /// create local decomposition
123 : virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;
124 :
125 : /// provide unique ID
126 : DeclPrimitive2DIDBlock()
127 : };
128 : } // end of namespace primitive2d
129 : } // end of namespace drawinglayer
130 :
131 :
132 :
133 : namespace drawinglayer
134 : {
135 : namespace primitive2d
136 : {
137 : /** AnimatedInterpolatePrimitive2D class
138 :
139 : Specialized on multi-step animations based on matrix transformations. The
140 : Child sequelce will be embedded in a matrix transformation. That transformation
141 : will be linearly combined from the decomposed values and the animation value
142 : to allow a smooth animation.
143 : */
144 0 : class DRAWINGLAYER_DLLPUBLIC AnimatedInterpolatePrimitive2D : public AnimatedSwitchPrimitive2D
145 : {
146 : private:
147 : /// the transformations
148 : std::vector< basegfx::tools::B2DHomMatrixBufferedDecompose > maMatrixStack;
149 :
150 : protected:
151 : public:
152 : /// constructor
153 : AnimatedInterpolatePrimitive2D(
154 : const std::vector< basegfx::B2DHomMatrix >& rmMatrixStack,
155 : const animation::AnimationEntry& rAnimationEntry,
156 : const Primitive2DSequence& rChildren,
157 : bool bIsTextAnimation);
158 :
159 : /// create local decomposition
160 : virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;
161 :
162 : /// provide unique ID
163 : DeclPrimitive2DIDBlock()
164 : };
165 : } // end of namespace primitive2d
166 : } // end of namespace drawinglayer
167 :
168 :
169 :
170 : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ANIMATEDPRIMITIVE2D_HXX
171 :
172 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
