Source/core/platform/graphics/transforms/InterpolatedTransformOperation.cpp - Issue 45553002: Move remaining classes in graphics/transforms to platform/

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Issue 45553002: Move remaining classes in graphics/transforms to platform/ (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Fix merge problem Created 7 years, 1 month ago

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1 /*

2 * Copyright (C) 2013 Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 */

30

31 #include "config.h"

32 #include "core/platform/graphics/transforms/InterpolatedTransformOperation.h"

33

34 #include "core/platform/graphics/transforms/IdentityTransformOperation.h"

35

36 namespace WebCore {

37

38 bool InterpolatedTransformOperation::operator==(const TransformOperation& o) con st

39 {

40 if (!isSameType(o))

41 return false;

42 const InterpolatedTransformOperation* t = static_cast<const InterpolatedTran sformOperation*>(&o);

43 return progress == t->progress && from == t->from && to == t->to;

44 }

45

46 bool InterpolatedTransformOperation::apply(TransformationMatrix& transform, cons t FloatSize& borderBoxSize) const

47 {

48 TransformationMatrix fromTransform;

49 TransformationMatrix toTransform;

50 from.apply(borderBoxSize, fromTransform);

51 to.apply(borderBoxSize, toTransform);

52

53 toTransform.blend(fromTransform, progress);

54 transform.multiply(toTransform);

55 return true;

56 }

57

58 PassRefPtr<TransformOperation> InterpolatedTransformOperation::blend(const Trans formOperation* from, double progress, bool blendToIdentity)

59 {

60 if (from && !from->isSameType(*this))

61 return this;

62

63 TransformOperations thisOperations;

64 thisOperations.operations().append(this);

65 TransformOperations fromOperations;

66 if (blendToIdentity)

67 fromOperations.operations().append(IdentityTransformOperation::create()) ;

68 else

69 fromOperations.operations().append(const_cast<TransformOperation*>(from) );

70 return InterpolatedTransformOperation::create(thisOperations, fromOperations , progress);

71 }

72

73 } // namespace WebCore

74

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