Revert of Move geometry interface files to geometry directory.

third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.cpp

+// 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 "core/dom/DOMMatrixReadOnly.h"
+
+#include "bindings/core/v8/V8ObjectBuilder.h"
+#include "core/css/CSSIdentifierValue.h"
+#include "core/css/CSSToLengthConversionData.h"
+#include "core/css/CSSValueList.h"
+#include "core/css/parser/CSSParser.h"
+#include "core/css/resolver/TransformBuilder.h"
+#include "core/dom/DOMMatrix.h"
+#include "core/dom/DOMMatrixInit.h"
+#include "core/dom/DOMPoint.h"
+#include "core/dom/DOMPointInit.h"
+#include "core/layout/api/LayoutViewItem.h"
+#include "core/style/ComputedStyle.h"
+
+namespace blink {
+namespace {
+
+void setDictionaryMembers(DOMMatrixInit& other) {
+  if (!other.hasM11())
+    other.setM11(other.hasA() ? other.a() : 1);
+
+  if (!other.hasM12())
+    other.setM12(other.hasB() ? other.b() : 0);
+
+  if (!other.hasM21())
+    other.setM21(other.hasC() ? other.c() : 0);
+
+  if (!other.hasM22())
+    other.setM22(other.hasD() ? other.d() : 1);
+
+  if (!other.hasM41())
+    other.setM41(other.hasE() ? other.e() : 0);
+
+  if (!other.hasM42())
+    other.setM42(other.hasF() ? other.f() : 0);
+}
+
+String getErrorMessage(const char* a, const char* b) {
+  return String::format("The '%s' property should equal the '%s' property.", a,
+                        b);
+}
+
+}  // namespace
+
+bool DOMMatrixReadOnly::validateAndFixup(DOMMatrixInit& other,
+                                         ExceptionState& exceptionState) {
+  if (other.hasA() && other.hasM11() && other.a() != other.m11()) {
+    exceptionState.throwTypeError(getErrorMessage("a", "m11"));
+    return false;
+  }
+  if (other.hasB() && other.hasM12() && other.b() != other.m12()) {
+    exceptionState.throwTypeError(getErrorMessage("b", "m12"));
+    return false;
+  }
+  if (other.hasC() && other.hasM21() && other.c() != other.m21()) {
+    exceptionState.throwTypeError(getErrorMessage("c", "m21"));
+    return false;
+  }
+  if (other.hasD() && other.hasM22() && other.d() != other.m22()) {
+    exceptionState.throwTypeError(getErrorMessage("d", "m22"));
+    return false;
+  }
+  if (other.hasE() && other.hasM41() && other.e() != other.m41()) {
+    exceptionState.throwTypeError(getErrorMessage("e", "m41"));
+    return false;
+  }
+  if (other.hasF() && other.hasM42() && other.f() != other.m42()) {
+    exceptionState.throwTypeError(getErrorMessage("f", "m42"));
+    return false;
+  }
+  if (other.hasIs2D() && other.is2D() &&
+      (other.m31() || other.m32() || other.m13() || other.m23() ||
+       other.m43() || other.m14() || other.m24() || other.m34() ||
+       other.m33() != 1 || other.m44() != 1)) {
+    exceptionState.throwTypeError(
+        "The is2D member is set to true but the input matrix is 3d matrix.");
+    return false;
+  }
+
+  setDictionaryMembers(other);
+  if (!other.hasIs2D()) {
+    bool is2D = !(other.m31() || other.m32() || other.m13() || other.m23() ||
+                  other.m43() || other.m14() || other.m24() || other.m34() ||
+                  other.m33() != 1 || other.m44() != 1);
+    other.setIs2D(is2D);
+  }
+  return true;
+}
+
+DOMMatrixReadOnly* DOMMatrixReadOnly::create(ExceptionState& exceptionState) {
+  return new DOMMatrixReadOnly(TransformationMatrix());
+}
+
+DOMMatrixReadOnly* DOMMatrixReadOnly::create(const String& transformList,
+                                             ExceptionState& exceptionState) {
+  DOMMatrixReadOnly* matrix = new DOMMatrixReadOnly(TransformationMatrix());
+  matrix->setMatrixValueFromString(transformList, exceptionState);
+  return matrix;
+}
+
+DOMMatrixReadOnly* DOMMatrixReadOnly::create(Vector<double> sequence,
+                                             ExceptionState& exceptionState) {
+  if (sequence.size() != 6 && sequence.size() != 16) {
+    exceptionState.throwTypeError(
+        "The sequence must contain 6 elements for a 2D matrix or 16 elements "
+        "for a 3D matrix.");
+    return nullptr;
+  }
+  return new DOMMatrixReadOnly(sequence, sequence.size());
+}
+
+DOMMatrixReadOnly* DOMMatrixReadOnly::fromFloat32Array(
+    DOMFloat32Array* float32Array,
+    ExceptionState& exceptionState) {
+  if (float32Array->length() != 6 && float32Array->length() != 16) {
+    exceptionState.throwTypeError(
+        "The sequence must contain 6 elements for a 2D matrix or 16 elements a "
+        "for 3D matrix.");
+    return nullptr;
+  }
+  return new DOMMatrixReadOnly(float32Array->data(), float32Array->length());
+}
+
+DOMMatrixReadOnly* DOMMatrixReadOnly::fromFloat64Array(
+    DOMFloat64Array* float64Array,
+    ExceptionState& exceptionState) {
+  if (float64Array->length() != 6 && float64Array->length() != 16) {
+    exceptionState.throwTypeError(
+        "The sequence must contain 6 elements for a 2D matrix or 16 elements "
+        "for a 3D matrix.");
+    return nullptr;
+  }
+  return new DOMMatrixReadOnly(float64Array->data(), float64Array->length());
+}
+
+DOMMatrixReadOnly* DOMMatrixReadOnly::fromMatrix(
+    DOMMatrixInit& other,
+    ExceptionState& exceptionState) {
+  if (!validateAndFixup(other, exceptionState)) {
+    DCHECK(exceptionState.hadException());
+    return nullptr;
+  }
+
+  if (other.is2D()) {
+    double args[] = {other.m11(), other.m12(), other.m21(),
+                     other.m22(), other.m41(), other.m42()};
+    return new DOMMatrixReadOnly(args, 6);
+  }
+
+  double args[] = {other.m11(), other.m12(), other.m13(), other.m14(),
+                   other.m21(), other.m22(), other.m23(), other.m24(),
+                   other.m31(), other.m32(), other.m33(), other.m34(),
+                   other.m41(), other.m42(), other.m43(), other.m44()};
+  return new DOMMatrixReadOnly(args, 16);
+}
+
+DOMMatrixReadOnly::~DOMMatrixReadOnly() {}
+
+bool DOMMatrixReadOnly::is2D() const {
+  return m_is2D;
+}
+
+bool DOMMatrixReadOnly::isIdentity() const {
+  return m_matrix->isIdentity();
+}
+
+DOMMatrix* DOMMatrixReadOnly::multiply(DOMMatrixInit& other,
+                                       ExceptionState& exceptionState) {
+  return DOMMatrix::create(this)->multiplySelf(other, exceptionState);
+}
+
+DOMMatrix* DOMMatrixReadOnly::translate(double tx, double ty, double tz) {
+  return DOMMatrix::create(this)->translateSelf(tx, ty, tz);
+}
+
+DOMMatrix* DOMMatrixReadOnly::scale(double sx) {
+  return scale(sx, sx);
+}
+
+DOMMatrix* DOMMatrixReadOnly::scale(double sx,
+                                    double sy,
+                                    double sz,
+                                    double ox,
+                                    double oy,
+                                    double oz) {
+  return DOMMatrix::create(this)->scaleSelf(sx, sy, sz, ox, oy, oz);
+}
+
+DOMMatrix* DOMMatrixReadOnly::scale3d(double scale,
+                                      double ox,
+                                      double oy,
+                                      double oz) {
+  return DOMMatrix::create(this)->scale3dSelf(scale, ox, oy, oz);
+}
+
+DOMMatrix* DOMMatrixReadOnly::rotate(double rotX) {
+  return DOMMatrix::create(this)->rotateSelf(rotX);
+}
+
+DOMMatrix* DOMMatrixReadOnly::rotate(double rotX, double rotY) {
+  return DOMMatrix::create(this)->rotateSelf(rotX, rotY);
+}
+
+DOMMatrix* DOMMatrixReadOnly::rotate(double rotX, double rotY, double rotZ) {
+  return DOMMatrix::create(this)->rotateSelf(rotX, rotY, rotZ);
+}
+
+DOMMatrix* DOMMatrixReadOnly::rotateFromVector(double x, double y) {
+  return DOMMatrix::create(this)->rotateFromVectorSelf(x, y);
+}
+
+DOMMatrix* DOMMatrixReadOnly::rotateAxisAngle(double x,
+                                              double y,
+                                              double z,
+                                              double angle) {
+  return DOMMatrix::create(this)->rotateAxisAngleSelf(x, y, z, angle);
+}
+
+DOMMatrix* DOMMatrixReadOnly::skewX(double sx) {
+  return DOMMatrix::create(this)->skewXSelf(sx);
+}
+
+DOMMatrix* DOMMatrixReadOnly::skewY(double sy) {
+  return DOMMatrix::create(this)->skewYSelf(sy);
+}
+
+DOMMatrix* DOMMatrixReadOnly::flipX() {
+  DOMMatrix* flipX = DOMMatrix::create(this);
+  flipX->setM11(-this->m11());
+  flipX->setM12(-this->m12());
+  flipX->setM13(-this->m13());
+  flipX->setM14(-this->m14());
+  return flipX;
+}
+
+DOMMatrix* DOMMatrixReadOnly::flipY() {
+  DOMMatrix* flipY = DOMMatrix::create(this);
+  flipY->setM21(-this->m21());
+  flipY->setM22(-this->m22());
+  flipY->setM23(-this->m23());
+  flipY->setM24(-this->m24());
+  return flipY;
+}
+
+DOMMatrix* DOMMatrixReadOnly::inverse() {
+  return DOMMatrix::create(this)->invertSelf();
+}
+
+DOMPoint* DOMMatrixReadOnly::transformPoint(const DOMPointInit& point) {
+  if (is2D() && point.z() == 0 && point.w() == 1) {
+    double x = point.x() * m11() + point.y() * m12() + m41();
+    double y = point.x() * m12() + point.y() * m22() + m42();
+    return DOMPoint::create(x, y, 0, 1);
+  }
+
+  double x = point.x() * m11() + point.y() * m21() + point.z() * m31() +
+             point.w() * m41();
+  double y = point.x() * m12() + point.y() * m22() + point.z() * m32() +
+             point.w() * m42();
+  double z = point.x() * m13() + point.y() * m23() + point.z() * m33() +
+             point.w() * m43();
+  double w = point.x() * m14() + point.y() * m24() + point.z() * m34() +
+             point.w() * m44();
+  return DOMPoint::create(x, y, z, w);
+}
+
+DOMMatrixReadOnly::DOMMatrixReadOnly(const TransformationMatrix& matrix,
+                                     bool is2D) {
+  m_matrix = TransformationMatrix::create(matrix);
+  m_is2D = is2D;
+}
+
+DOMFloat32Array* DOMMatrixReadOnly::toFloat32Array() const {
+  float array[] = {
+      static_cast<float>(m_matrix->m11()), static_cast<float>(m_matrix->m12()),
+      static_cast<float>(m_matrix->m13()), static_cast<float>(m_matrix->m14()),
+      static_cast<float>(m_matrix->m21()), static_cast<float>(m_matrix->m22()),
+      static_cast<float>(m_matrix->m23()), static_cast<float>(m_matrix->m24()),
+      static_cast<float>(m_matrix->m31()), static_cast<float>(m_matrix->m32()),
+      static_cast<float>(m_matrix->m33()), static_cast<float>(m_matrix->m34()),
+      static_cast<float>(m_matrix->m41()), static_cast<float>(m_matrix->m42()),
+      static_cast<float>(m_matrix->m43()), static_cast<float>(m_matrix->m44())};
+
+  return DOMFloat32Array::create(array, 16);
+}
+
+DOMFloat64Array* DOMMatrixReadOnly::toFloat64Array() const {
+  double array[] = {
+      m_matrix->m11(), m_matrix->m12(), m_matrix->m13(), m_matrix->m14(),
+      m_matrix->m21(), m_matrix->m22(), m_matrix->m23(), m_matrix->m24(),
+      m_matrix->m31(), m_matrix->m32(), m_matrix->m33(), m_matrix->m34(),
+      m_matrix->m41(), m_matrix->m42(), m_matrix->m43(), m_matrix->m44()};
+
+  return DOMFloat64Array::create(array, 16);
+}
+
+const String DOMMatrixReadOnly::toString() const {
+  std::stringstream stream;
+  if (is2D()) {
+    stream << "matrix(" << a() << ", " << b() << ", " << c() << ", " << d()
+           << ", " << e() << ", " << f();
+  } else {
+    stream << "matrix3d(" << m11() << ", " << m12() << ", " << m13() << ", "
+           << m14() << ", " << m21() << ", " << m22() << ", " << m23() << ", "
+           << m24() << ", " << m31() << ", " << m32() << ", " << m33() << ", "
+           << m34() << ", " << m41() << ", " << m42() << ", " << m43() << ", "
+           << m44();
+  }
+  stream << ")";
+
+  return String(stream.str().c_str());
+}
+
+ScriptValue DOMMatrixReadOnly::toJSONForBinding(
+    ScriptState* scriptState) const {
+  V8ObjectBuilder result(scriptState);
+  result.addNumber("a", a());
+  result.addNumber("b", b());
+  result.addNumber("c", c());
+  result.addNumber("d", d());
+  result.addNumber("e", e());
+  result.addNumber("f", f());
+  result.addNumber("m11", m11());
+  result.addNumber("m12", m12());
+  result.addNumber("m13", m13());
+  result.addNumber("m14", m14());
+  result.addNumber("m21", m21());
+  result.addNumber("m22", m22());
+  result.addNumber("m23", m23());
+  result.addNumber("m24", m24());
+  result.addNumber("m31", m31());
+  result.addNumber("m32", m32());
+  result.addNumber("m33", m33());
+  result.addNumber("m34", m34());
+  result.addNumber("m41", m41());
+  result.addNumber("m42", m42());
+  result.addNumber("m43", m43());
+  result.addNumber("m44", m44());
+  result.addBoolean("is2D", is2D());
+  result.addBoolean("isIdentity", isIdentity());
+  return result.scriptValue();
+}
+
+void DOMMatrixReadOnly::setMatrixValueFromString(
+    const String& inputString,
+    ExceptionState& exceptionState) {
+  DEFINE_STATIC_LOCAL(String, identityMatrix2D, ("matrix(1, 0, 0, 1, 0, 0)"));
+  String string = inputString;
+  if (string.isEmpty())
+    string = identityMatrix2D;
+
+  const CSSValue* value =
+      CSSParser::parseSingleValue(CSSPropertyTransform, string);
+
+  if (!value || value->isCSSWideKeyword()) {
+    exceptionState.throwDOMException(SyntaxError,
+                                     "Failed to parse '" + inputString + "'.");
+    return;
+  }
+
+  if (value->isIdentifierValue()) {
+    DCHECK(toCSSIdentifierValue(value)->getValueID() == CSSValueNone);
+    m_matrix->makeIdentity();
+    m_is2D = true;
+    return;
+  }
+
+  if (TransformBuilder::hasRelativeLengths(toCSSValueList(*value))) {
+    exceptionState.throwDOMException(SyntaxError,
+                                     "Lengths must be absolute, not relative");
+    return;
+  }
+
+  const ComputedStyle& initialStyle = ComputedStyle::initialStyle();
+  TransformOperations operations = TransformBuilder::createTransformOperations(
+      *value, CSSToLengthConversionData(&initialStyle, &initialStyle,
+                                        LayoutViewItem(nullptr), 1.0f));
+
+  if (operations.dependsOnBoxSize()) {
+    exceptionState.throwDOMException(
+        SyntaxError, "Lengths must be absolute, not depend on the box size");
+    return;
+  }
+
+  m_matrix->makeIdentity();
+  operations.apply(FloatSize(0, 0), *m_matrix);
+
+  m_is2D = !operations.has3DOperation();
+
+  return;
+}
+
+}  // namespace blink