Make WebKitCSSMatrix an alias of DOMMatrix

third_party/WebKit/Source/core/css/CSSMatrix.cpp

Index: third_party/WebKit/Source/core/css/CSSMatrix.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSMatrix.cpp b/third_party/WebKit/Source/core/css/CSSMatrix.cpp
deleted file mode 100644
index 227272c8a45d4118d818d329cd8e6bf102d5e83e..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/css/CSSMatrix.cpp
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Copyright (C) 2008 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "core/css/CSSMatrix.h"
-
-#include "bindings/core/v8/ExceptionState.h"
-#include "core/CSSPropertyNames.h"
-#include "core/CSSValueKeywords.h"
-#include "core/css/CSSIdentifierValue.h"
-#include "core/css/CSSToLengthConversionData.h"
-#include "core/css/StylePropertySet.h"
-#include "core/css/parser/CSSParser.h"
-#include "core/css/resolver/TransformBuilder.h"
-#include "core/dom/ExceptionCode.h"
-#include "core/frame/UseCounter.h"
-#include "core/layout/api/LayoutViewItem.h"
-#include "core/style/ComputedStyle.h"
-#include "platform/wtf/MathExtras.h"
-
-namespace blink {
-
-CSSMatrix* CSSMatrix::Create(ExecutionContext* execution_context,
-                             const String& s,
-                             ExceptionState& exception_state) {
-  UseCounter::Count(execution_context, UseCounter::kWebKitCSSMatrix);
-  if (!s.IsEmpty()) {
-    UseCounter::Count(execution_context,
-                      UseCounter::kWebkitCSSMatrixConstructFromString);
-  }
-  return new CSSMatrix(s, exception_state);
-}
-
-CSSMatrix::CSSMatrix(const TransformationMatrix& m)
-    : matrix_(TransformationMatrix::Create(m)) {}
-
-CSSMatrix::CSSMatrix(const String& s, ExceptionState& exception_state)
-    : matrix_(TransformationMatrix::Create()) {
-  setMatrixValue(s, exception_state);
-}
-
-static inline PassRefPtr<ComputedStyle> CreateInitialStyle() {
-  RefPtr<ComputedStyle> initial_style = ComputedStyle::Create();
-  initial_style->GetFont().Update(nullptr);
-  return initial_style;
-}
-
-void CSSMatrix::setMatrixValue(const String& string,
-                               ExceptionState& exception_state) {
-  if (string.IsEmpty())
-    return;
-
-  if (const CSSValue* value =
-          CSSParser::ParseSingleValue(CSSPropertyTransform, string)) {
-    // Check for a "none" transform. In these cases we can use the default
-    // identity matrix.
-    if (value->IsIdentifierValue() &&
-        (ToCSSIdentifierValue(value))->GetValueID() == CSSValueNone)
-      return;
-
-    DEFINE_STATIC_REF(ComputedStyle, initial_style, CreateInitialStyle());
-    TransformOperations operations =
-        TransformBuilder::CreateTransformOperations(
-            *value, CSSToLengthConversionData(initial_style, initial_style,
-                                              LayoutViewItem(nullptr), 1.0f));
-
-    // Convert transform operations to a TransformationMatrix. This can fail
-    // if a param has a percentage ('%')
-    if (operations.DependsOnBoxSize())
-      exception_state.ThrowDOMException(kSyntaxError,
-                                        "The transformation depends on the box "
-                                        "size, which is not supported.");
-    matrix_ = TransformationMatrix::Create();
-    operations.Apply(FloatSize(0, 0), *matrix_);
-  } else {  // There is something there but parsing failed.
-    exception_state.ThrowDOMException(kSyntaxError,
-                                      "Failed to parse '" + string + "'.");
-  }
-}
-
-// Perform a concatenation of the matrices (this * secondMatrix)
-CSSMatrix* CSSMatrix::multiply(CSSMatrix* second_matrix) const {
-  if (!second_matrix)
-    return nullptr;
-
-  return CSSMatrix::Create(
-      TransformationMatrix(*matrix_).Multiply(*second_matrix->matrix_));
-}
-
-CSSMatrix* CSSMatrix::inverse(ExceptionState& exception_state) const {
-  if (!matrix_->IsInvertible()) {
-    exception_state.ThrowDOMException(kNotSupportedError,
-                                      "The matrix is not invertable.");
-    return nullptr;
-  }
-
-  return CSSMatrix::Create(matrix_->Inverse());
-}
-
-CSSMatrix* CSSMatrix::translate(double x, double y, double z) const {
-  if (std::isnan(x))
-    x = 0;
-  if (std::isnan(y))
-    y = 0;
-  if (std::isnan(z))
-    z = 0;
-  return CSSMatrix::Create(TransformationMatrix(*matrix_).Translate3d(x, y, z));
-}
-
-CSSMatrix* CSSMatrix::scale(double scale_x,
-                            double scale_y,
-                            double scale_z) const {
-  if (std::isnan(scale_x))
-    scale_x = 1;
-  if (std::isnan(scale_y))
-    scale_y = scale_x;
-  if (std::isnan(scale_z))
-    scale_z = 1;
-  return CSSMatrix::Create(
-      TransformationMatrix(*matrix_).Scale3d(scale_x, scale_y, scale_z));
-}
-
-CSSMatrix* CSSMatrix::rotate(double rot_x, double rot_y, double rot_z) const {
-  if (std::isnan(rot_x))
-    rot_x = 0;
-
-  if (std::isnan(rot_y) && std::isnan(rot_z)) {
-    rot_z = rot_x;
-    rot_x = 0;
-    rot_y = 0;
-  }
-
-  if (std::isnan(rot_y))
-    rot_y = 0;
-  if (std::isnan(rot_z))
-    rot_z = 0;
-  return CSSMatrix::Create(
-      TransformationMatrix(*matrix_).Rotate3d(rot_x, rot_y, rot_z));
-}
-
-CSSMatrix* CSSMatrix::rotateAxisAngle(double x,
-                                      double y,
-                                      double z,
-                                      double angle) const {
-  if (std::isnan(x))
-    x = 0;
-  if (std::isnan(y))
-    y = 0;
-  if (std::isnan(z))
-    z = 0;
-  if (std::isnan(angle))
-    angle = 0;
-  if (!x && !y && !z)
-    z = 1;
-  return CSSMatrix::Create(
-      TransformationMatrix(*matrix_).Rotate3d(x, y, z, angle));
-}
-
-CSSMatrix* CSSMatrix::skewX(double angle) const {
-  if (std::isnan(angle))
-    angle = 0;
-  return CSSMatrix::Create(TransformationMatrix(*matrix_).SkewX(angle));
-}
-
-CSSMatrix* CSSMatrix::skewY(double angle) const {
-  if (std::isnan(angle))
-    angle = 0;
-  return CSSMatrix::Create(TransformationMatrix(*matrix_).SkewY(angle));
-}
-
-String CSSMatrix::toString() const {
-  // FIXME - Need to ensure valid CSS floating point values
-  // (https://bugs.webkit.org/show_bug.cgi?id=20674)
-  if (matrix_->IsAffine())
-    return String::Format("matrix(%g, %g, %g, %g, %g, %g)", matrix_->A(),
-                          matrix_->B(), matrix_->C(), matrix_->D(),
-                          matrix_->E(), matrix_->F());
-  return String::Format(
-      "matrix3d(%g, %g, %g, %g, %g, %g, %g, %g, %g, %g, %g, %g, %g, %g, %g, "
-      "%g)",
-      matrix_->M11(), matrix_->M12(), matrix_->M13(), matrix_->M14(),
-      matrix_->M21(), matrix_->M22(), matrix_->M23(), matrix_->M24(),
-      matrix_->M31(), matrix_->M32(), matrix_->M33(), matrix_->M34(),
-      matrix_->M41(), matrix_->M42(), matrix_->M43(), matrix_->M44());
-}
-
-}  // namespace blink