Test code

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

 /*
  * 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
@@ skipping 15 matching lines @@
 #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/DOMMatrix.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/frame/UseCounter.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/style/ComputedStyle.h"
 #include "core/style/StyleInheritedData.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 CSSMatrix* CSSMatrix::create(ExecutionContext* executionContext,
                              const String& s,
                              ExceptionState& exceptionState) {
   UseCounter::count(executionContext, UseCounter::WebKitCSSMatrix);
   return new CSSMatrix(s, exceptionState);
 }
 
-CSSMatrix::CSSMatrix(const TransformationMatrix& m)
-    : m_matrix(TransformationMatrix::create(m)) {}
+CSSMatrix::CSSMatrix(const TransformationMatrix& m) : DOMMatrix(m) {}
 
 CSSMatrix::CSSMatrix(const String& s, ExceptionState& exceptionState)
-    : m_matrix(TransformationMatrix::create()) {
+    : DOMMatrix() {
   setMatrixValue(s, exceptionState);
 }
 
-static inline PassRefPtr<ComputedStyle> createInitialStyle() {
-  RefPtr<ComputedStyle> initialStyle = ComputedStyle::create();
-  initialStyle->font().update(nullptr);
-  return initialStyle;
-}
-
 void CSSMatrix::setMatrixValue(const String& string,
                                ExceptionState& exceptionState) {
-  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, initialStyle, createInitialStyle());
-    TransformOperations operations =
-        TransformBuilder::createTransformOperations(
-            *value, CSSToLengthConversionData(initialStyle, initialStyle,
-                                              LayoutViewItem(nullptr), 1.0f));
-
-    // Convert transform operations to a TransformationMatrix. This can fail
-    // if a param has a percentage ('%')
-    if (operations.dependsOnBoxSize())
-      exceptionState.throwDOMException(SyntaxError,
-                                       "The transformation depends on the box "
-                                       "size, which is not supported.");
-    m_matrix = TransformationMatrix::create();
-    operations.apply(FloatSize(0, 0), *m_matrix);
-  } else {  // There is something there but parsing failed.
-    exceptionState.throwDOMException(SyntaxError,
-                                     "Failed to parse '" + string + "'.");
-  }
+  DOMMatrix::setMatrixValue(string, exceptionState);
 }
 
 // Perform a concatenation of the matrices (this * secondMatrix)
-CSSMatrix* CSSMatrix::multiply(CSSMatrix* secondMatrix) const {
+CSSMatrix* CSSMatrix::multiply(CSSMatrix* secondMatrix,
+                               ExceptionState& exceptionState) {
   if (!secondMatrix)
     return nullptr;
 
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).multiply(*secondMatrix->m_matrix));
+  DOMMatrixInit matrix;
+
+  matrix.setM11(secondMatrix->m11());
+  matrix.setM12(secondMatrix->m12());
+  matrix.setM13(secondMatrix->m13());
+  matrix.setM14(secondMatrix->m14());
+  matrix.setM21(secondMatrix->m21());
+  matrix.setM22(secondMatrix->m22());
+  matrix.setM23(secondMatrix->m23());
+  matrix.setM24(secondMatrix->m24());
+  matrix.setM31(secondMatrix->m31());
+  matrix.setM32(secondMatrix->m32());
+  matrix.setM33(secondMatrix->m33());
+  matrix.setM34(secondMatrix->m34());
+  matrix.setM41(secondMatrix->m41());
+  matrix.setM42(secondMatrix->m42());
+  matrix.setM43(secondMatrix->m43());
+  matrix.setM44(secondMatrix->m44());
+
+  return (CSSMatrix*)multiplySelf(matrix, exceptionState);
 }
 
-CSSMatrix* CSSMatrix::inverse(ExceptionState& exceptionState) const {
-  if (!m_matrix->isInvertible()) {
-    exceptionState.throwDOMException(NotSupportedError,
-                                     "The matrix is not invertable.");
-    return nullptr;
-  }
-
-  return CSSMatrix::create(m_matrix->inverse());
+CSSMatrix* CSSMatrix::inverse(ExceptionState& exceptionState) {
+  return (CSSMatrix*)invertSelf();
 }
 
-CSSMatrix* CSSMatrix::translate(double x, double y, double z) const {
+CSSMatrix* CSSMatrix::translate(double x, double y, double z) {
   if (std::isnan(x))
     x = 0;
   if (std::isnan(y))
     y = 0;
   if (std::isnan(z))
     z = 0;
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).translate3d(x, y, z));
+  return (CSSMatrix*)translateSelf(x, y, z);
 }
 
-CSSMatrix* CSSMatrix::scale(double scaleX, double scaleY, double scaleZ) const {
+CSSMatrix* CSSMatrix::scale(double scaleX, double scaleY, double scaleZ) {
   if (std::isnan(scaleX))
     scaleX = 1;
   if (std::isnan(scaleY))
     scaleY = scaleX;
   if (std::isnan(scaleZ))
     scaleZ = 1;
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).scale3d(scaleX, scaleY, scaleZ));
+  return (CSSMatrix*)scaleSelf(scaleX, scaleY, scaleZ);
 }
 
-CSSMatrix* CSSMatrix::rotate(double rotX, double rotY, double rotZ) const {
+CSSMatrix* CSSMatrix::rotate(double rotX, double rotY, double rotZ) {
   if (std::isnan(rotX))
     rotX = 0;
 
   if (std::isnan(rotY) && std::isnan(rotZ)) {
     rotZ = rotX;
     rotX = 0;
     rotY = 0;
   }
 
   if (std::isnan(rotY))
     rotY = 0;
   if (std::isnan(rotZ))
     rotZ = 0;
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).rotate3d(rotX, rotY, rotZ));
+  return (CSSMatrix*)rotateSelf(rotX, rotY, rotZ);
 }
 
 CSSMatrix* CSSMatrix::rotateAxisAngle(double x,
                                       double y,
                                       double z,
-                                      double angle) const {
+                                      double angle) {
   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(*m_matrix).rotate3d(x, y, z, angle));
+  return (CSSMatrix*)rotateAxisAngleSelf(x, y, z, angle);
 }
 
-CSSMatrix* CSSMatrix::skewX(double angle) const {
+CSSMatrix* CSSMatrix::skewX(double angle) {
   if (std::isnan(angle))
     angle = 0;
-  return CSSMatrix::create(TransformationMatrix(*m_matrix).skewX(angle));
+  return (CSSMatrix*)skewXSelf(angle);
 }
 
-CSSMatrix* CSSMatrix::skewY(double angle) const {
+CSSMatrix* CSSMatrix::skewY(double angle) {
   if (std::isnan(angle))
     angle = 0;
-  return CSSMatrix::create(TransformationMatrix(*m_matrix).skewY(angle));
+  return (CSSMatrix*)skewYSelf(angle);
 }
 
-String CSSMatrix::toString() const {
-  // FIXME - Need to ensure valid CSS floating point values
-  // (https://bugs.webkit.org/show_bug.cgi?id=20674)
-  if (m_matrix->isAffine())
-    return String::format("matrix(%f, %f, %f, %f, %f, %f)", m_matrix->a(),
-                          m_matrix->b(), m_matrix->c(), m_matrix->d(),
-                          m_matrix->e(), m_matrix->f());
-  return String::format(
-      "matrix3d(%f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, "
-      "%f)",
-      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());
+String CSSMatrix::toString() {
+  return DOMMatrix::toString();
 }
 
 }  // namespace blink