third_party/WebKit/Source/platform/transforms/Matrix3DTransformOperation.cpp - Issue 2482753002: Fix matrix3d transform under page zoom

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Side by Side Diff: third_party/WebKit/Source/platform/transforms/Matrix3DTransformOperation.cpp

Issue 2482753002: Fix matrix3d transform under page zoom (Closed)

Patch Set: Add a comment for zoom Created 4 years, 1 month ago

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1 /*	1 /*

2 * Copyright (C) 2009 Apple Inc. All rights reserved.	2 * Copyright (C) 2009 Apple Inc. All rights reserved.

3 *	3 *

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

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

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

(...skipping 36 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
47	47

48 if (blendToIdentity)	48 if (blendToIdentity)

49 std::swap(fromT, toT);	49 std::swap(fromT, toT);

50	50

51 toT.blend(fromT, progress);	51 toT.blend(fromT, progress);

52 return Matrix3DTransformOperation::create(toT);	52 return Matrix3DTransformOperation::create(toT);

53 }	53 }

54	54

55 PassRefPtr<TransformOperation> Matrix3DTransformOperation::zoom(double factor) {	55 PassRefPtr<TransformOperation> Matrix3DTransformOperation::zoom(double factor) {

56 TransformationMatrix result = m_matrix;	56 TransformationMatrix result = m_matrix;

57 result.setM41(result.m41() * factor);	57 result.zoom(factor);

58 result.setM42(result.m42() * factor);

59 return create(result);	58 return create(result);

60 }	59 }

61	60

62 } // namespace blink	61 } // namespace blink

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