summaryrefslogtreecommitdiffstats
path: root/drawinglayer/source/primitive2d/animatedprimitive2d.cxx
blob: d2c8d4a6571adeb39f98568f7b14cae0475aa5cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/* -*- 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 .
 */

#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
#include <drawinglayer/animation/animationtiming.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>


using namespace com::sun::star;


namespace drawinglayer::primitive2d
{
        void AnimatedSwitchPrimitive2D::setAnimationEntry(const animation::AnimationEntry& rNew)
        {
            // clone given animation description
            mpAnimationEntry = rNew.clone();
        }

        AnimatedSwitchPrimitive2D::AnimatedSwitchPrimitive2D(
            const animation::AnimationEntry& rAnimationEntry,
            const Primitive2DContainer& rChildren,
            bool bIsTextAnimation)
        :   GroupPrimitive2D(rChildren),
            mbIsTextAnimation(bIsTextAnimation)
        {
            // clone given animation description
            mpAnimationEntry = rAnimationEntry.clone();
        }

        AnimatedSwitchPrimitive2D::~AnimatedSwitchPrimitive2D()
        {
        }

        bool AnimatedSwitchPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
        {
            if(GroupPrimitive2D::operator==(rPrimitive))
            {
                const AnimatedSwitchPrimitive2D& rCompare = static_cast< const AnimatedSwitchPrimitive2D& >(rPrimitive);

                return (getAnimationEntry() == rCompare.getAnimationEntry());
            }

            return false;
        }

        void AnimatedSwitchPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
        {
            if(getChildren().empty())
                return;

            const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
            const sal_uInt32 nLen(getChildren().size());
            sal_uInt32 nIndex(basegfx::fround(fState * static_cast<double>(nLen)));

            if(nIndex >= nLen)
            {
                nIndex = nLen - 1;
            }

            const Primitive2DReference xRef(getChildren()[nIndex], uno::UNO_SET_THROW);
            rVisitor.append(xRef);
        }

        // provide unique ID
        ImplPrimitive2DIDBlock(AnimatedSwitchPrimitive2D, PRIMITIVE2D_ID_ANIMATEDSWITCHPRIMITIVE2D)

} // end of namespace drawinglayer::primitive2d


namespace drawinglayer::primitive2d
{
        AnimatedBlinkPrimitive2D::AnimatedBlinkPrimitive2D(
            const animation::AnimationEntry& rAnimationEntry,
            const Primitive2DContainer& rChildren)
        :   AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, true/*bIsTextAnimation*/)
        {
        }

        void AnimatedBlinkPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
        {
            if(!getChildren().empty())
            {
                const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));

                if(fState < 0.5)
                {
                    getChildren(rVisitor);
                }
            }
        }

        // provide unique ID
        ImplPrimitive2DIDBlock(AnimatedBlinkPrimitive2D, PRIMITIVE2D_ID_ANIMATEDBLINKPRIMITIVE2D)

} // end of namespace drawinglayer::primitive2d


namespace drawinglayer::primitive2d
{
        AnimatedInterpolatePrimitive2D::AnimatedInterpolatePrimitive2D(
            const std::vector< basegfx::B2DHomMatrix >& rmMatrixStack,
            const animation::AnimationEntry& rAnimationEntry,
            const Primitive2DContainer& rChildren)
        :   AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, true/*bIsTextAnimation*/),
            maMatrixStack()
        {
            // copy matrices to locally pre-decomposed matrix stack
            const sal_uInt32 nCount(rmMatrixStack.size());
            maMatrixStack.reserve(nCount);

            for(sal_uInt32 a(0); a < nCount; a++)
            {
                maMatrixStack.emplace_back(rmMatrixStack[a]);
            }
        }

        void AnimatedInterpolatePrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
        {
            const sal_uInt32 nSize(maMatrixStack.size());

            if(nSize)
            {
                double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));

                if(fState < 0.0)
                {
                    fState = 0.0;
                }
                else if(fState > 1.0)
                {
                    fState = 1.0;
                }

                const double fIndex(fState * static_cast<double>(nSize - 1));
                const sal_uInt32 nIndA(sal_uInt32(floor(fIndex)));
                const double fOffset(fIndex - static_cast<double>(nIndA));
                basegfx::B2DHomMatrix aTargetTransform;
                std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatA(maMatrixStack.begin() + nIndA);

                if(basegfx::fTools::equalZero(fOffset))
                {
                    // use matrix from nIndA directly
                    aTargetTransform = aMatA->getB2DHomMatrix();
                }
                else
                {
                    // interpolate. Get involved buffered decomposed matrices
                    const sal_uInt32 nIndB((nIndA + 1) % nSize);
                    std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatB(maMatrixStack.begin() + nIndB);

                    // interpolate for fOffset [0.0 .. 1.0[
                    const basegfx::B2DVector aScale(basegfx::interpolate(aMatA->getScale(), aMatB->getScale(), fOffset));
                    const basegfx::B2DVector aTranslate(basegfx::interpolate(aMatA->getTranslate(), aMatB->getTranslate(), fOffset));
                    const double fRotate(((aMatB->getRotate() - aMatA->getRotate()) * fOffset) + aMatA->getRotate());
                    const double fShearX(((aMatB->getShearX() - aMatA->getShearX()) * fOffset) + aMatA->getShearX());

                    // build matrix for state
                    aTargetTransform = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
                        aScale, fShearX, fRotate, aTranslate);
                }

                // create new transform primitive reference, return new sequence
                const Primitive2DReference xRef(new TransformPrimitive2D(aTargetTransform, getChildren()));
                rVisitor.append(xRef);
            }
            else
            {
                getChildren(rVisitor);
            }
        }

        // provide unique ID
        ImplPrimitive2DIDBlock(AnimatedInterpolatePrimitive2D, PRIMITIVE2D_ID_ANIMATEDINTERPOLATEPRIMITIVE2D)

} // end of namespace

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */