From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/svg/SVGMatrix.cpp | 230 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 230 insertions(+) create mode 100644 dom/svg/SVGMatrix.cpp (limited to 'dom/svg/SVGMatrix.cpp') diff --git a/dom/svg/SVGMatrix.cpp b/dom/svg/SVGMatrix.cpp new file mode 100644 index 000000000..3fb0de5fa --- /dev/null +++ b/dom/svg/SVGMatrix.cpp @@ -0,0 +1,230 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#include "mozilla/dom/SVGMatrix.h" +#include "nsError.h" +#include +#include "mozilla/dom/SVGMatrixBinding.h" +#include "mozilla/FloatingPoint.h" + +const double radPerDegree = 2.0 * M_PI / 360.0; + +namespace mozilla { +namespace dom { + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SVGMatrix, mTransform) + +NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(SVGMatrix, AddRef) +NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(SVGMatrix, Release) + +SVGTransform* +SVGMatrix::GetParentObject() const +{ + return mTransform; +} + +JSObject* +SVGMatrix::WrapObject(JSContext* aCx, JS::Handle aGivenProto) +{ + return SVGMatrixBinding::Wrap(aCx, this, aGivenProto); +} + +void +SVGMatrix::SetA(float aA, ErrorResult& rv) +{ + if (IsAnimVal()) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + + gfxMatrix mx = GetMatrix(); + mx._11 = aA; + SetMatrix(mx); +} + +void +SVGMatrix::SetB(float aB, ErrorResult& rv) +{ + if (IsAnimVal()) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + + gfxMatrix mx = GetMatrix(); + mx._12 = aB; + SetMatrix(mx); +} + +void +SVGMatrix::SetC(float aC, ErrorResult& rv) +{ + if (IsAnimVal()) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + + gfxMatrix mx = GetMatrix(); + mx._21 = aC; + SetMatrix(mx); +} + +void +SVGMatrix::SetD(float aD, ErrorResult& rv) +{ + if (IsAnimVal()) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + + gfxMatrix mx = GetMatrix(); + mx._22 = aD; + SetMatrix(mx); +} + +void +SVGMatrix::SetE(float aE, ErrorResult& rv) +{ + if (IsAnimVal()) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + + gfxMatrix mx = GetMatrix(); + mx._31 = aE; + SetMatrix(mx); +} + +void +SVGMatrix::SetF(float aF, ErrorResult& rv) +{ + if (IsAnimVal()) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + + gfxMatrix mx = GetMatrix(); + mx._32 = aF; + SetMatrix(mx); +} + +already_AddRefed +SVGMatrix::Multiply(SVGMatrix& aMatrix) +{ + RefPtr matrix = new SVGMatrix(aMatrix.GetMatrix() * GetMatrix()); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::Inverse(ErrorResult& rv) +{ + gfxMatrix mat = GetMatrix(); + if (!mat.Invert()) { + rv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); + return nullptr; + } + RefPtr matrix = new SVGMatrix(mat); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::Translate(float x, float y) +{ + RefPtr matrix = + new SVGMatrix(gfxMatrix(GetMatrix()).Translate(gfxPoint(x, y))); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::Scale(float scaleFactor) +{ + return ScaleNonUniform(scaleFactor, scaleFactor); +} + +already_AddRefed +SVGMatrix::ScaleNonUniform(float scaleFactorX, + float scaleFactorY) +{ + RefPtr matrix = + new SVGMatrix(gfxMatrix(GetMatrix()).Scale(scaleFactorX, scaleFactorY)); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::Rotate(float angle) +{ + RefPtr matrix = + new SVGMatrix(gfxMatrix(GetMatrix()).Rotate(angle*radPerDegree)); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::RotateFromVector(float x, float y, ErrorResult& rv) +{ + if (x == 0.0 || y == 0.0) { + rv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); + return nullptr; + } + + RefPtr matrix = + new SVGMatrix(gfxMatrix(GetMatrix()).Rotate(atan2(y, x))); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::FlipX() +{ + const gfxMatrix& mx = GetMatrix(); + RefPtr matrix = + new SVGMatrix(gfxMatrix(-mx._11, -mx._12, mx._21, mx._22, mx._31, mx._32)); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::FlipY() +{ + const gfxMatrix& mx = GetMatrix(); + RefPtr matrix = + new SVGMatrix(gfxMatrix(mx._11, mx._12, -mx._21, -mx._22, mx._31, mx._32)); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::SkewX(float angle, ErrorResult& rv) +{ + double ta = tan( angle*radPerDegree ); + if (!IsFinite(ta)) { + rv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); + return nullptr; + } + + const gfxMatrix& mx = GetMatrix(); + gfxMatrix skewMx(mx._11, mx._12, + (float) (mx._21 + mx._11*ta), (float) (mx._22 + mx._12*ta), + mx._31, mx._32); + RefPtr matrix = new SVGMatrix(skewMx); + return matrix.forget(); +} + +already_AddRefed +SVGMatrix::SkewY(float angle, ErrorResult& rv) +{ + double ta = tan( angle*radPerDegree ); + if (!IsFinite(ta)) { + rv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); + return nullptr; + } + + const gfxMatrix& mx = GetMatrix(); + gfxMatrix skewMx((float) (mx._11 + mx._21*ta), (float) (mx._12 + mx._22*ta), + mx._21, mx._22, + mx._31, mx._32); + + RefPtr matrix = new SVGMatrix(skewMx); + return matrix.forget(); +} + +} // namespace dom +} // namespace mozilla -- cgit v1.2.3