File: InterpolationEffect.cpp

package info (click to toggle)
chromium-browser 41.0.2272.118-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-kfreebsd
  • size: 2,189,132 kB
  • sloc: cpp: 9,691,462; ansic: 3,341,451; python: 712,689; asm: 518,779; xml: 208,926; java: 169,820; sh: 119,353; perl: 68,907; makefile: 28,311; yacc: 13,305; objc: 11,385; tcl: 3,186; cs: 2,225; sql: 2,217; lex: 2,215; lisp: 1,349; pascal: 1,256; awk: 407; ruby: 155; sed: 53; php: 14; exp: 11
file content (47 lines) | stat: -rw-r--r-- 1,637 bytes parent folder | download
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
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "config.h"
#include "core/animation/InterpolationEffect.h"

namespace blink {

void InterpolationEffect::getActiveInterpolations(double fraction, double iterationDuration, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>& result) const
{
    if (!result)
        result = adoptPtrWillBeNoop(new WillBeHeapVector<RefPtrWillBeMember<Interpolation> >());

    size_t existingSize = result->size();
    size_t resultIndex = 0;

    for (const auto& record : m_interpolations) {
        if (fraction >= record->m_applyFrom && fraction < record->m_applyTo) {
            RefPtrWillBeRawPtr<Interpolation> interpolation = record->m_interpolation;
            double localFraction = (fraction - record->m_start) / (record->m_end - record->m_start);
            if (record->m_easing)
                localFraction = record->m_easing->evaluate(localFraction, accuracyForDuration(iterationDuration));
            interpolation->interpolate(0, localFraction);
            if (resultIndex < existingSize)
                (*result)[resultIndex++] = interpolation;
            else
                result->append(interpolation);
        }
    }
    if (resultIndex < existingSize)
        result->shrink(resultIndex);
}

void InterpolationEffect::InterpolationRecord::trace(Visitor* visitor)
{
    visitor->trace(m_interpolation);
}

void InterpolationEffect::trace(Visitor* visitor)
{
#if ENABLE_OILPAN
    visitor->trace(m_interpolations);
#endif
}

}