Source/core/dom/DOMMatrixReadOnly.cpp - Issue 426063007: Implement basic interfaces and attributes for DOMMatrix.

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Side by Side Diff: Source/core/dom/DOMMatrixReadOnly.cpp

Issue 426063007: Implement basic interfaces and attributes for DOMMatrix. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 4 months ago

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	1 // Copyright 2014 The Chromium Authors. All rights reserved.

	2 // Use of this source code is governed by a BSD-style license that can be

	3 // found in the LICENSE file.

	4

	5 #include "config.h"

	6 #include "core/dom/DOMMatrixReadOnly.h"

	7

	8 namespace blink {

	9

	10 bool DOMMatrixReadOnly::is2D() const

	11 {

	12 return m31() == 0 && m32() == 0 && m13() == 0 && m23() == 0

	13 && m43() == 0 && m14() == 0 && m24() == 0 && m34() == 0

	14 && m33() == 1 && m44() == 1;
	Rik 2014/08/01 17:26:46 2D'ness of the matrix depends on how it was initia 2D'ness of the matrix depends on how it was initialized and used. So, 3D should become true if you use one of the 3D methods. see: http://dev.w3.org/fxtf/geometry/#dom-dommatrixreadonly-is2d zino 2014/08/02 02:24:53 Done. Show quoted text On 2014/08/01 17:26:46, Rik wrote: > 2D'ness of the matrix depends on how it was initialized and used. > So, 3D should become true if you use one of the 3D methods. > > see: http://dev.w3.org/fxtf/geometry/#dom-dommatrixreadonly-is2d Done.
	15 }

	16

	17 bool DOMMatrixReadOnly::isIdentity() const

	18 {

	19 return m11() == 1 && m21() == 0 && m31() == 0 && m41() == 0

	20 && m12() == 0 && m22() == 1 && m32() == 0 && m42() == 0

	21 && m13() == 0 && m23() == 0 && m33() == 1 && m43() == 0

	22 && m14() == 0 && m24() == 0 && m34() == 0 && m44() == 1;

	23 }

	24

	25 } // namespace blink

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