Add m-esr52 at 52.6.0

1 files changed, 343 insertions, 0 deletions

diff --git a/gfx/2d/Point.h b/gfx/2d/Point.h
new file mode 100644
index 000000000..f66967622
--- /dev/null
+++ b/gfx/2d/Point.h
@@ -0,0 +1,343 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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/. */
+
+#ifndef MOZILLA_GFX_POINT_H_
+#define MOZILLA_GFX_POINT_H_
+
+#include "mozilla/Attributes.h"
+#include "Types.h"
+#include "Coord.h"
+#include "BaseCoord.h"
+#include "BasePoint.h"
+#include "BasePoint3D.h"
+#include "BasePoint4D.h"
+#include "BaseSize.h"
+#include "mozilla/TypeTraits.h"
+
+#include <cmath>
+
+namespace mozilla {
+
+template <typename> struct IsPixel;
+
+namespace gfx {
+
+// This should only be used by the typedefs below.
+struct UnknownUnits {};
+
+} // namespace gfx
+
+template<> struct IsPixel<gfx::UnknownUnits> : TrueType {};
+
+namespace gfx {
+
+/// Use this for parameters of functions to allow implicit conversions to
+/// integer types but not floating point types.
+/// We use this wrapper to prevent IntSize and IntPoint's constructors to
+/// take foating point values as parameters, and not require their constructors
+/// to have implementations for each permutation of integer types.
+template<typename T>
+struct IntParam {
+  constexpr MOZ_IMPLICIT IntParam(char val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(unsigned char val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(short val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(unsigned short val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(int val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(unsigned int val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(long val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(unsigned long val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(long long val) : value(val) {}
+  constexpr MOZ_IMPLICIT IntParam(unsigned long long val) : value(val) {}
+  template<typename Unit>
+  constexpr MOZ_IMPLICIT IntParam(IntCoordTyped<Unit> val) : value(val) {}
+
+  // Disable the evil ones!
+  MOZ_IMPLICIT IntParam(float val) = delete;
+  MOZ_IMPLICIT IntParam(double val) = delete;
+
+  T value;
+};
+
+template<class units, class> struct PointTyped;
+template<class units, class> struct SizeTyped;
+
+template<class units>
+struct IntPointTyped :
+  public BasePoint< int32_t, IntPointTyped<units>, IntCoordTyped<units> >,
+  public units {
+  static_assert(IsPixel<units>::value,
+                "'units' must be a coordinate system tag");
+
+  typedef IntParam<int32_t> ToInt;
+  typedef IntCoordTyped<units> Coord;
+  typedef BasePoint< int32_t, IntPointTyped<units>, IntCoordTyped<units> > Super;
+
+  constexpr IntPointTyped() : Super() {}
+  constexpr IntPointTyped(ToInt aX, ToInt aY) : Super(Coord(aX.value), Coord(aY.value)) {}
+
+  static IntPointTyped<units> Round(float aX, float aY) {
+    return IntPointTyped(int32_t(floorf(aX + 0.5)), int32_t(floorf(aY + 0.5)));
+  }
+
+  static IntPointTyped<units> Ceil(float aX, float aY) {
+    return IntPointTyped(int32_t(ceil(aX)), int32_t(ceil(aY)));
+  }
+
+  static IntPointTyped<units> Floor(float aX, float aY) {
+    return IntPointTyped(int32_t(floorf(aX)), int32_t(floorf(aY)));
+  }
+
+  static IntPointTyped<units> Truncate(float aX, float aY) {
+    return IntPointTyped(int32_t(aX), int32_t(aY));
+  }
+
+  static IntPointTyped<units> Round(const PointTyped<units, float>& aPoint);
+  static IntPointTyped<units> Ceil(const PointTyped<units, float>& aPoint);
+  static IntPointTyped<units> Floor(const PointTyped<units, float>& aPoint);
+  static IntPointTyped<units> Truncate(const PointTyped<units, float>& aPoint);
+
+  // XXX When all of the code is ported, the following functions to convert to and from
+  // unknown types should be removed.
+
+  static IntPointTyped<units> FromUnknownPoint(const IntPointTyped<UnknownUnits>& aPoint) {
+    return IntPointTyped<units>(aPoint.x, aPoint.y);
+  }
+
+  IntPointTyped<UnknownUnits> ToUnknownPoint() const {
+    return IntPointTyped<UnknownUnits>(this->x, this->y);
+  }
+};
+typedef IntPointTyped<UnknownUnits> IntPoint;
+
+template<class units, class F = Float>
+struct PointTyped :
+  public BasePoint< F, PointTyped<units, F>, CoordTyped<units, F> >,
+  public units {
+  static_assert(IsPixel<units>::value,
+                "'units' must be a coordinate system tag");
+
+  typedef CoordTyped<units, F> Coord;
+  typedef BasePoint< F, PointTyped<units, F>, CoordTyped<units, F> > Super;
+
+  constexpr PointTyped() : Super() {}
+  constexpr PointTyped(F aX, F aY) : Super(Coord(aX), Coord(aY)) {}
+  // The mixed-type constructors (Float, Coord) and (Coord, Float) are needed to
+  // avoid ambiguities because Coord is implicitly convertible to Float.
+  constexpr PointTyped(F aX, Coord aY) : Super(Coord(aX), aY) {}
+  constexpr PointTyped(Coord aX, F aY) : Super(aX, Coord(aY)) {}
+  constexpr PointTyped(Coord aX, Coord aY) : Super(aX.value, aY.value) {}
+  constexpr MOZ_IMPLICIT PointTyped(const IntPointTyped<units>& point) : Super(F(point.x), F(point.y)) {}
+
+  // XXX When all of the code is ported, the following functions to convert to and from
+  // unknown types should be removed.
+
+  static PointTyped<units, F> FromUnknownPoint(const PointTyped<UnknownUnits, F>& aPoint) {
+    return PointTyped<units, F>(aPoint.x, aPoint.y);
+  }
+
+  PointTyped<UnknownUnits, F> ToUnknownPoint() const {
+    return PointTyped<UnknownUnits, F>(this->x, this->y);
+  }
+};
+typedef PointTyped<UnknownUnits> Point;
+typedef PointTyped<UnknownUnits, double> PointDouble;
+
+template<class units>
+IntPointTyped<units> RoundedToInt(const PointTyped<units>& aPoint) {
+  return IntPointTyped<units>::Round(aPoint.x, aPoint.y);
+}
+  
+template<class units>
+IntPointTyped<units> TruncatedToInt(const PointTyped<units>& aPoint) {
+  return IntPointTyped<units>::Truncate(aPoint.x, aPoint.y);
+}
+
+template<class units, class F = Float>
+struct Point3DTyped :
+  public BasePoint3D< F, Point3DTyped<units, F> > {
+  static_assert(IsPixel<units>::value,
+                "'units' must be a coordinate system tag");
+
+  typedef BasePoint3D< F, Point3DTyped<units, F> > Super;
+
+  Point3DTyped() : Super() {}
+  Point3DTyped(F aX, F aY, F aZ) : Super(aX, aY, aZ) {}
+
+  // XXX When all of the code is ported, the following functions to convert to and from
+  // unknown types should be removed.
+
+  static Point3DTyped<units, F> FromUnknownPoint(const Point3DTyped<UnknownUnits, F>& aPoint) {
+    return Point3DTyped<units, F>(aPoint.x, aPoint.y, aPoint.z);
+  }
+
+  Point3DTyped<UnknownUnits, F> ToUnknownPoint() const {
+    return Point3DTyped<UnknownUnits, F>(this->x, this->y, this->z);
+  }
+};
+typedef Point3DTyped<UnknownUnits> Point3D;
+typedef Point3DTyped<UnknownUnits, double> PointDouble3D;
+
+template<typename units>
+IntPointTyped<units>
+IntPointTyped<units>::Round(const PointTyped<units, float>& aPoint)
+{
+  return IntPointTyped::Round(aPoint.x, aPoint.y);
+}
+
+template<typename units>
+IntPointTyped<units>
+IntPointTyped<units>::Ceil(const PointTyped<units, float>& aPoint)
+{
+  return IntPointTyped::Ceil(aPoint.x, aPoint.y);
+}
+
+template<typename units>
+IntPointTyped<units>
+IntPointTyped<units>::Floor(const PointTyped<units, float>& aPoint)
+{
+  return IntPointTyped::Floor(aPoint.x, aPoint.y);
+}
+
+template<typename units>
+IntPointTyped<units>
+IntPointTyped<units>::Truncate(const PointTyped<units, float>& aPoint)
+{
+  return IntPointTyped::Truncate(aPoint.x, aPoint.y);
+}
+
+template<class units, class F = Float>
+struct Point4DTyped :
+  public BasePoint4D< F, Point4DTyped<units, F> > {
+  static_assert(IsPixel<units>::value,
+                "'units' must be a coordinate system tag");
+
+  typedef BasePoint4D< F, Point4DTyped<units, F> > Super;
+
+  Point4DTyped() : Super() {}
+  Point4DTyped(F aX, F aY, F aZ, F aW) : Super(aX, aY, aZ, aW) {}
+
+  // XXX When all of the code is ported, the following functions to convert to and from
+  // unknown types should be removed.
+
+  static Point4DTyped<units, F> FromUnknownPoint(const Point4DTyped<UnknownUnits, F>& aPoint) {
+    return Point4DTyped<units, F>(aPoint.x, aPoint.y, aPoint.z, aPoint.w);
+  }
+
+  Point4DTyped<UnknownUnits, F> ToUnknownPoint() const {
+    return Point4DTyped<UnknownUnits, F>(this->x, this->y, this->z, this->w);
+  }
+
+  PointTyped<units, F> As2DPoint() {
+    return PointTyped<units, F>(this->x / this->w, this->y / this->w);
+  }
+};
+typedef Point4DTyped<UnknownUnits> Point4D;
+typedef Point4DTyped<UnknownUnits, double> PointDouble4D;
+
+template<class units>
+struct IntSizeTyped :
+  public BaseSize< int32_t, IntSizeTyped<units> >,
+  public units {
+  static_assert(IsPixel<units>::value,
+                "'units' must be a coordinate system tag");
+
+  typedef IntParam<int32_t> ToInt;
+  typedef BaseSize< int32_t, IntSizeTyped<units> > Super;
+
+  constexpr IntSizeTyped() : Super() {}
+  constexpr IntSizeTyped(ToInt aWidth, ToInt aHeight) : Super(aWidth.value, aHeight.value) {}
+
+  static IntSizeTyped<units> Round(float aWidth, float aHeight) {
+    return IntSizeTyped(int32_t(floorf(aWidth + 0.5)), int32_t(floorf(aHeight + 0.5)));
+  }
+
+  static IntSizeTyped<units> Truncate(float aWidth, float aHeight) {
+    return IntSizeTyped(int32_t(aWidth), int32_t(aHeight));
+  }
+
+  static IntSizeTyped<units> Ceil(float aWidth, float aHeight) {
+    return IntSizeTyped(int32_t(ceil(aWidth)), int32_t(ceil(aHeight)));
+  }
+
+  static IntSizeTyped<units> Floor(float aWidth, float aHeight) {
+    return IntSizeTyped(int32_t(floorf(aWidth)), int32_t(floorf(aHeight)));
+  }
+
+  static IntSizeTyped<units> Round(const SizeTyped<units, float>& aSize);
+  static IntSizeTyped<units> Ceil(const SizeTyped<units, float>& aSize);
+  static IntSizeTyped<units> Floor(const SizeTyped<units, float>& aSize);
+  static IntSizeTyped<units> Truncate(const SizeTyped<units, float>& aSize);
+
+  // XXX When all of the code is ported, the following functions to convert to and from
+  // unknown types should be removed.
+
+  static IntSizeTyped<units> FromUnknownSize(const IntSizeTyped<UnknownUnits>& aSize) {
+    return IntSizeTyped<units>(aSize.width, aSize.height);
+  }
+
+  IntSizeTyped<UnknownUnits> ToUnknownSize() const {
+    return IntSizeTyped<UnknownUnits>(this->width, this->height);
+  }
+};
+typedef IntSizeTyped<UnknownUnits> IntSize;
+
+template<class units, class F = Float>
+struct SizeTyped :
+  public BaseSize< F, SizeTyped<units> >,
+  public units {
+  static_assert(IsPixel<units>::value,
+                "'units' must be a coordinate system tag");
+
+  typedef BaseSize< F, SizeTyped<units, F> > Super;
+
+  constexpr SizeTyped() : Super() {}
+  constexpr SizeTyped(F aWidth, F aHeight) : Super(aWidth, aHeight) {}
+  explicit SizeTyped(const IntSizeTyped<units>& size) :
+    Super(F(size.width), F(size.height)) {}
+
+  // XXX When all of the code is ported, the following functions to convert to and from
+  // unknown types should be removed.
+
+  static SizeTyped<units, F> FromUnknownSize(const SizeTyped<UnknownUnits, F>& aSize) {
+    return SizeTyped<units, F>(aSize.width, aSize.height);
+  }
+
+  SizeTyped<UnknownUnits, F> ToUnknownSize() const {
+    return SizeTyped<UnknownUnits, F>(this->width, this->height);
+  }
+};
+typedef SizeTyped<UnknownUnits> Size;
+typedef SizeTyped<UnknownUnits, double> SizeDouble;
+
+template<class units>
+IntSizeTyped<units> RoundedToInt(const SizeTyped<units>& aSize) {
+  return IntSizeTyped<units>(int32_t(floorf(aSize.width + 0.5f)),
+                             int32_t(floorf(aSize.height + 0.5f)));
+}
+
+template<typename units> IntSizeTyped<units>
+IntSizeTyped<units>::Round(const SizeTyped<units, float>& aSize) {
+  return IntSizeTyped::Round(aSize.width, aSize.height);
+}
+
+template<typename units> IntSizeTyped<units>
+IntSizeTyped<units>::Ceil(const SizeTyped<units, float>& aSize) {
+  return IntSizeTyped::Ceil(aSize.width, aSize.height);
+}
+
+template<typename units> IntSizeTyped<units>
+IntSizeTyped<units>::Floor(const SizeTyped<units, float>& aSize) {
+  return IntSizeTyped::Floor(aSize.width, aSize.height);
+}
+
+template<typename units> IntSizeTyped<units>
+IntSizeTyped<units>::Truncate(const SizeTyped<units, float>& aSize) {
+  return IntSizeTyped::Truncate(aSize.width, aSize.height);
+}
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif /* MOZILLA_GFX_POINT_H_ */