WebKit merge 40722:40785 (part 1)

third_party/WebKit/WebCore/platform/graphics/cg/TransformationMatrixCG.cpp

 /*
  * Copyright (C) 2005, 2006, 2007 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 10 matching lines @@
  * 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 "config.h"
 #include "TransformationMatrix.h"
 
 #if PLATFORM(CG)
 
+#include <CoreGraphics/CGAffineTransform.h>
 #include "FloatConversion.h"
-#include "FloatRect.h"
-#include "IntRect.h"
-
-#include <wtf/MathExtras.h>
 
 namespace WebCore {
 
-TransformationMatrix::TransformationMatrix()
-    : m_transform(CGAffineTransformIdentity)
+TransformationMatrix::operator CGAffineTransform() const
 {
-}
-
-TransformationMatrix::TransformationMatrix(double a, double b, double c, double d, double tx, double ty)
-{
-    m_transform = CGAffineTransformMake(narrowPrecisionToCGFloat(a),
-                                        narrowPrecisionToCGFloat(b),
-                                        narrowPrecisionToCGFloat(c),
-                                        narrowPrecisionToCGFloat(d),
-                                        narrowPrecisionToCGFloat(tx),
-                                        narrowPrecisionToCGFloat(ty));
-}
-
-TransformationMatrix::TransformationMatrix(const PlatformTransformationMatrix& t)
-    : m_transform(t)
-{
-}
-
-void TransformationMatrix::setMatrix(double a, double b, double c, double d, double tx, double ty)
-{
-    m_transform = CGAffineTransformMake(narrowPrecisionToCGFloat(a),
-                                        narrowPrecisionToCGFloat(b),
-                                        narrowPrecisionToCGFloat(c),
-                                        narrowPrecisionToCGFloat(d),
-                                        narrowPrecisionToCGFloat(tx),
-                                        narrowPrecisionToCGFloat(ty));
-}
-
-void TransformationMatrix::map(double x, double y, double *x2, double *y2) const
-{
-    CGPoint result = CGPointApplyAffineTransform(CGPointMake(narrowPrecisionToCGFloat(x), narrowPrecisionToCGFloat(y)), m_transform);
-    *x2 = result.x;
-    *y2 = result.y;
-}
-
-IntRect TransformationMatrix::mapRect(const IntRect &rect) const
-{
-    return enclosingIntRect(CGRectApplyAffineTransform(CGRect(rect), m_transform));
-}
-
-FloatRect TransformationMatrix::mapRect(const FloatRect &rect) const
-{
-    return FloatRect(CGRectApplyAffineTransform(CGRect(rect), m_transform));
-}
-
-bool TransformationMatrix::isIdentity() const
-{
-    return CGAffineTransformIsIdentity(m_transform);
-}
-
-double TransformationMatrix::a() const
-{
-    return m_transform.a;
-}
-
-void TransformationMatrix::setA(double a)
-{
-    m_transform.a = narrowPrecisionToCGFloat(a);
-}
-
-double TransformationMatrix::b() const
-{
-    return m_transform.b;
-}
-
-void TransformationMatrix::setB(double b)
-{
-    m_transform.b = narrowPrecisionToCGFloat(b);
-}
-
-double TransformationMatrix::c() const
-{
-    return m_transform.c;
-}
-
-void TransformationMatrix::setC(double c)
-{
-    m_transform.c = narrowPrecisionToCGFloat(c);
-}
-
-double TransformationMatrix::d() const
-{
-    return m_transform.d;
-}
-
-void TransformationMatrix::setD(double d)
-{
-    m_transform.d = narrowPrecisionToCGFloat(d);
-}
-
-double TransformationMatrix::e() const
-{
-    return m_transform.tx;
-}
-
-void TransformationMatrix::setE(double e)
-{
-    m_transform.tx = narrowPrecisionToCGFloat(e);
-}
-
-double TransformationMatrix::f() const
-{
-    return m_transform.ty;
-}
-
-void TransformationMatrix::setF(double f)
-{
-    m_transform.ty = narrowPrecisionToCGFloat(f);
-}
-
-void TransformationMatrix::reset()
-{
-    m_transform = CGAffineTransformIdentity;
-}
-
-TransformationMatrix &TransformationMatrix::scale(double sx, double sy)
-{
-    m_transform = CGAffineTransformScale(m_transform, narrowPrecisionToCGFloat(sx), narrowPrecisionToCGFloat(sy));
-    return *this;
-}
-
-TransformationMatrix &TransformationMatrix::rotate(double d)
-{
-    m_transform = CGAffineTransformRotate(m_transform, narrowPrecisionToCGFloat(deg2rad(d)));
-    return *this;
-}
-
-TransformationMatrix &TransformationMatrix::translate(double tx, double ty)
-{
-    m_transform = CGAffineTransformTranslate(m_transform, narrowPrecisionToCGFloat(tx), narrowPrecisionToCGFloat(ty));
-    return *this;
-}
-
-TransformationMatrix &TransformationMatrix::shear(double sx, double sy)
-{
-    CGAffineTransform shear = CGAffineTransformMake(1.0f, narrowPrecisionToCGFloat(sy), narrowPrecisionToCGFloat(sx), 1.0f, 0.0f, 0.0f);
-    m_transform = CGAffineTransformConcat(shear, m_transform);
-    return *this;
-}
-
-double TransformationMatrix::det() const
-{
-    return m_transform.a * m_transform.d - m_transform.b * m_transform.c;
-}
-
-TransformationMatrix TransformationMatrix::inverse() const
-{
-    if (isInvertible())
-        return TransformationMatrix(CGAffineTransformInvert(m_transform));
-    return TransformationMatrix();
-}
-
-TransformationMatrix::operator PlatformTransformationMatrix() const
-{
-    return m_transform;
-}
-
-bool TransformationMatrix::operator== (const TransformationMatrix &m2) const
-{
-    return CGAffineTransformEqualToTransform(m_transform, CGAffineTransform(m2));
-}
-
-TransformationMatrix &TransformationMatrix::operator*= (const TransformationMatrix &m2)
-{
-    m_transform = CGAffineTransformConcat(m_transform, CGAffineTransform(m2));
-    return *this;
-}
-
-TransformationMatrix TransformationMatrix::operator* (const TransformationMatrix &m2)
-{
-    return CGAffineTransformConcat(m_transform, CGAffineTransform(m2));
+    return CGAffineTransformMake(narrowPrecisionToCGFloat(a()),
+                                 narrowPrecisionToCGFloat(b()),
+                                 narrowPrecisionToCGFloat(c()),
+                                 narrowPrecisionToCGFloat(d()),
+                                 narrowPrecisionToCGFloat(e()),
+                                 narrowPrecisionToCGFloat(f()));
 }
 
 }
 
 #endif // PLATFORM(CG)