/src/mozilla-central/layout/style/nsStyleCoord.cpp

Source (jump to first uncovered line)
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

/* representation of length values in computed style data */

#include "mozilla/HashFunctions.h"
#include "mozilla/PodOperations.h"

// nsStyleCoord.h must not be the first header in a unified source file,
// otherwise it may not build with MSVC due to a bug in our STL wrapper.
// See bug 1331102.
#include "nsStyleCoord.h"

using namespace mozilla;

nsStyleCoord::nsStyleCoord(nsStyleUnit aUnit)
  : mUnit(aUnit)
{
  NS_ASSERTION(aUnit < eStyleUnit_Percent, "not a valueless unit");
  if (aUnit >= eStyleUnit_Percent) {
    mUnit = eStyleUnit_Null;
  }
  mValue.mInt = 0;
}

nsStyleCoord::nsStyleCoord(int32_t aValue, nsStyleUnit aUnit)
  : mUnit(aUnit)
{
  //if you want to pass in eStyleUnit_Coord, don't. instead, use the
  //constructor just above this one... MMP
  NS_ASSERTION((aUnit == eStyleUnit_Enumerated) ||
               (aUnit == eStyleUnit_Integer), "not an int value");
  if ((aUnit == eStyleUnit_Enumerated) ||
      (aUnit == eStyleUnit_Integer)) {
    mValue.mInt = aValue;
  }
  else {
    mUnit = eStyleUnit_Null;
    mValue.mInt = 0;
  }
}

nsStyleCoord::nsStyleCoord(float aValue, nsStyleUnit aUnit)
  : mUnit(aUnit)
{
  if (aUnit < eStyleUnit_Percent || aUnit >= eStyleUnit_Coord) {
    MOZ_ASSERT_UNREACHABLE("not a float value");
    mUnit = eStyleUnit_Null;
    mValue.mInt = 0;
  } else {
    mValue.mFloat = aValue;
  }
}

bool nsStyleCoord::operator==(const nsStyleCoord& aOther) const
{
  if (mUnit != aOther.mUnit) {
    return false;
  }
  switch (mUnit) {
    case eStyleUnit_Null:
    case eStyleUnit_Normal:
    case eStyleUnit_Auto:
    case eStyleUnit_None:
      return true;
    case eStyleUnit_Percent:
    case eStyleUnit_Factor:
    case eStyleUnit_Degree:
    case eStyleUnit_Grad:
    case eStyleUnit_Radian:
    case eStyleUnit_Turn:
    case eStyleUnit_FlexFraction:
      return mValue.mFloat == aOther.mValue.mFloat;
    case eStyleUnit_Coord:
    case eStyleUnit_Integer:
    case eStyleUnit_Enumerated:
      return mValue.mInt == aOther.mValue.mInt;
    case eStyleUnit_Calc:
      return *this->GetCalcValue() == *aOther.GetCalcValue();
  }
  MOZ_ASSERT(false, "unexpected unit");
  return false;
}

void nsStyleCoord::Reset()
{
  Reset(mUnit, mValue);
}

void nsStyleCoord::SetCoordValue(nscoord aValue)
{
  Reset();
  mUnit = eStyleUnit_Coord;
  mValue.mInt = aValue;
}

void nsStyleCoord::SetIntValue(int32_t aValue, nsStyleUnit aUnit)
{
  NS_ASSERTION((aUnit == eStyleUnit_Enumerated) ||
               (aUnit == eStyleUnit_Integer), "not an int value");
  Reset();
  if ((aUnit == eStyleUnit_Enumerated) ||
      (aUnit == eStyleUnit_Integer)) {
    mUnit = aUnit;
    mValue.mInt = aValue;
  }
}

void nsStyleCoord::SetPercentValue(float aValue)
{
  Reset();
  mUnit = eStyleUnit_Percent;
  mValue.mFloat = aValue;
}

void nsStyleCoord::SetFactorValue(float aValue)
{
  Reset();
  mUnit = eStyleUnit_Factor;
  mValue.mFloat = aValue;
}

void nsStyleCoord::SetAngleValue(float aValue, nsStyleUnit aUnit)
{
  Reset();
  if (aUnit == eStyleUnit_Degree ||
      aUnit == eStyleUnit_Grad ||
      aUnit == eStyleUnit_Radian ||
      aUnit == eStyleUnit_Turn) {
    mUnit = aUnit;
    mValue.mFloat = aValue;
  } else {
    MOZ_ASSERT_UNREACHABLE("not an angle value");
  }
}

void nsStyleCoord::SetFlexFractionValue(float aValue)
{
  Reset();
  mUnit = eStyleUnit_FlexFraction;
  mValue.mFloat = aValue;
}

void nsStyleCoord::SetCalcValue(Calc* aValue)
{
  Reset();
  mUnit = eStyleUnit_Calc;
  mValue.mPointer = aValue;
  aValue->AddRef();
}

void nsStyleCoord::SetNormalValue()
{
  Reset();
  mUnit = eStyleUnit_Normal;
  mValue.mInt = 0;
}

void nsStyleCoord::SetAutoValue()
{
  Reset();
  mUnit = eStyleUnit_Auto;
  mValue.mInt = 0;
}

void nsStyleCoord::SetNoneValue()
{
  Reset();
  mUnit = eStyleUnit_None;
  mValue.mInt = 0;
}

// accessors that are not inlined

double
nsStyleCoord::GetAngleValueInDegrees() const
{
  return GetAngleValueInRadians() * (180.0 / M_PI);
}

double
nsStyleCoord::GetAngleValueInRadians() const
{
  double angle = mValue.mFloat;

  switch (GetUnit()) {
  case eStyleUnit_Radian: return angle;
  case eStyleUnit_Turn:   return angle * 2 * M_PI;
  case eStyleUnit_Degree: return angle * M_PI / 180.0;
  case eStyleUnit_Grad:   return angle * M_PI / 200.0;

  default:
    MOZ_ASSERT_UNREACHABLE("unrecognized angular unit");
    return 0.0;
  }
}

nscoord
nsStyleCoord::ComputeComputedCalc(nscoord aPercentageBasis) const
{
  Calc* calc = GetCalcValue();
  return calc->mLength +
         NSToCoordFloorClamped(aPercentageBasis * calc->mPercent);
}

nscoord
nsStyleCoord::ComputeCoordPercentCalc(nscoord aPercentageBasis) const
{
  switch (GetUnit()) {
    case eStyleUnit_Coord:
      return GetCoordValue();
    case eStyleUnit_Percent:
      return NSToCoordFloorClamped(aPercentageBasis * GetPercentValue());
    case eStyleUnit_Calc:
      return ComputeComputedCalc(aPercentageBasis);
    default:
      MOZ_ASSERT_UNREACHABLE("Unexpected unit!");
      return 0;
  }
}

nsStyleSides::nsStyleSides()
{
  NS_FOR_CSS_SIDES(i) {
    mUnits[i] = eStyleUnit_Null;
  }
  mozilla::PodArrayZero(mValues);
}

nsStyleSides::nsStyleSides(const nsStyleSides& aOther)
{
  NS_FOR_CSS_SIDES(i) {
    mUnits[i] = eStyleUnit_Null;
  }
  *this = aOther;
}

nsStyleSides::~nsStyleSides()
{
  Reset();
}

nsStyleSides&
nsStyleSides::operator=(const nsStyleSides& aCopy)
{
  if (this != &aCopy) {
    NS_FOR_CSS_SIDES(i) {
      nsStyleCoord::SetValue(mUnits[i], mValues[i],
                             aCopy.mUnits[i], aCopy.mValues[i]);
    }
  }
  return *this;
}

bool nsStyleSides::operator==(const nsStyleSides& aOther) const
{
  NS_FOR_CSS_SIDES(i) {
    if (nsStyleCoord(mValues[i], (nsStyleUnit)mUnits[i]) !=
        nsStyleCoord(aOther.mValues[i], (nsStyleUnit)aOther.mUnits[i])) {
      return false;
    }
  }
  return true;
}

void nsStyleSides::Reset()
{
  NS_FOR_CSS_SIDES(i) {
    nsStyleCoord::Reset(mUnits[i], mValues[i]);
  }
}

nsStyleCorners::nsStyleCorners()
{
  NS_FOR_CSS_HALF_CORNERS(i) {
    mUnits[i] = eStyleUnit_Null;
  }
  mozilla::PodArrayZero(mValues);
}

nsStyleCorners::nsStyleCorners(const nsStyleCorners& aOther)
{
  NS_FOR_CSS_HALF_CORNERS(i) {
    mUnits[i] = eStyleUnit_Null;
  }
  *this = aOther;
}

nsStyleCorners::~nsStyleCorners()
{
  Reset();
}

nsStyleCorners&
nsStyleCorners::operator=(const nsStyleCorners& aCopy)
{
  if (this != &aCopy) {
    NS_FOR_CSS_HALF_CORNERS(i) {
      nsStyleCoord::SetValue(mUnits[i], mValues[i],
                             aCopy.mUnits[i], aCopy.mValues[i]);
    }
  }
  return *this;
}

bool
nsStyleCorners::operator==(const nsStyleCorners& aOther) const
{
  NS_FOR_CSS_HALF_CORNERS(i) {
    if (nsStyleCoord(mValues[i], (nsStyleUnit)mUnits[i]) !=
        nsStyleCoord(aOther.mValues[i], (nsStyleUnit)aOther.mUnits[i])) {
      return false;
    }
  }
  return true;
}

void nsStyleCorners::Reset()
{
  NS_FOR_CSS_HALF_CORNERS(i) {
    nsStyleCoord::Reset(mUnits[i], mValues[i]);
  }
}

// Validation of SideIsVertical.
#define CASE(side, result)                                                    \
  static_assert(SideIsVertical(side) == result,                               \
                "SideIsVertical is wrong")
CASE(eSideTop,    false);
CASE(eSideRight,  true);
CASE(eSideBottom, false);
CASE(eSideLeft,   true);
#undef CASE

// Validation of HalfCornerIsX.
#define CASE(corner, result)                                                  \
  static_assert(HalfCornerIsX(corner) == result,                              \
                "HalfCornerIsX is wrong")
CASE(eCornerTopLeftX,     true);
CASE(eCornerTopLeftY,     false);
CASE(eCornerTopRightX,    true);
CASE(eCornerTopRightY,    false);
CASE(eCornerBottomRightX, true);
CASE(eCornerBottomRightY, false);
CASE(eCornerBottomLeftX,  true);
CASE(eCornerBottomLeftY,  false);
#undef CASE

// Validation of HalfToFullCorner.
#define CASE(corner, result)                                                  \
  static_assert(HalfToFullCorner(corner) == result,                           \
                "HalfToFullCorner is wrong")
CASE(eCornerTopLeftX,     eCornerTopLeft);
CASE(eCornerTopLeftY,     eCornerTopLeft);
CASE(eCornerTopRightX,    eCornerTopRight);
CASE(eCornerTopRightY,    eCornerTopRight);
CASE(eCornerBottomRightX, eCornerBottomRight);
CASE(eCornerBottomRightY, eCornerBottomRight);
CASE(eCornerBottomLeftX,  eCornerBottomLeft);
CASE(eCornerBottomLeftY,  eCornerBottomLeft);
#undef CASE

// Validation of FullToHalfCorner.
#define CASE(corner, vert, result)                                            \
  static_assert(FullToHalfCorner(corner, vert) == result,                     \
                "FullToHalfCorner is wrong")
CASE(eCornerTopLeft,     false, eCornerTopLeftX);
CASE(eCornerTopLeft,     true,  eCornerTopLeftY);
CASE(eCornerTopRight,    false, eCornerTopRightX);
CASE(eCornerTopRight,    true,  eCornerTopRightY);
CASE(eCornerBottomRight, false, eCornerBottomRightX);
CASE(eCornerBottomRight, true,  eCornerBottomRightY);
CASE(eCornerBottomLeft,  false, eCornerBottomLeftX);
CASE(eCornerBottomLeft,  true,  eCornerBottomLeftY);
#undef CASE

// Validation of SideToFullCorner.
#define CASE(side, second, result)                                            \
  static_assert(SideToFullCorner(side, second) == result,                     \
                "SideToFullCorner is wrong")
CASE(eSideTop,    false, eCornerTopLeft);
CASE(eSideTop,    true,  eCornerTopRight);

CASE(eSideRight,  false, eCornerTopRight);
CASE(eSideRight,  true,  eCornerBottomRight);

CASE(eSideBottom, false, eCornerBottomRight);
CASE(eSideBottom, true,  eCornerBottomLeft);

CASE(eSideLeft,   false, eCornerBottomLeft);
CASE(eSideLeft,   true,  eCornerTopLeft);
#undef CASE

// Validation of SideToHalfCorner.
#define CASE(side, second, parallel, result)                                  \
  static_assert(SideToHalfCorner(side, second, parallel) == result,           \
                "SideToHalfCorner is wrong")
CASE(eSideTop,    false, true,  eCornerTopLeftX);
CASE(eSideTop,    false, false, eCornerTopLeftY);
CASE(eSideTop,    true,  true,  eCornerTopRightX);
CASE(eSideTop,    true,  false, eCornerTopRightY);

CASE(eSideRight,  false, false, eCornerTopRightX);
CASE(eSideRight,  false, true,  eCornerTopRightY);
CASE(eSideRight,  true,  false, eCornerBottomRightX);
CASE(eSideRight,  true,  true,  eCornerBottomRightY);

CASE(eSideBottom, false, true,  eCornerBottomRightX);
CASE(eSideBottom, false, false, eCornerBottomRightY);
CASE(eSideBottom, true,  true,  eCornerBottomLeftX);
CASE(eSideBottom, true,  false, eCornerBottomLeftY);

CASE(eSideLeft,   false, false, eCornerBottomLeftX);
CASE(eSideLeft,   false, true,  eCornerBottomLeftY);
CASE(eSideLeft,   true,  false, eCornerTopLeftX);
CASE(eSideLeft,   true,  true,  eCornerTopLeftY);
#undef CASE

Coverage Report

Created: 2018-09-25 14:53

Line	Count	Source (jump to first uncovered line)
1		/* -- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -- */
2		/* vim: set ts=8 sts=2 et sw=2 tw=80: */
3		/* This Source Code Form is subject to the terms of the Mozilla Public
4		* License, v. 2.0. If a copy of the MPL was not distributed with this
5		* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7		/* representation of length values in computed style data */
8
9		#include "mozilla/HashFunctions.h"
10		#include "mozilla/PodOperations.h"
11
12		// nsStyleCoord.h must not be the first header in a unified source file,
13		// otherwise it may not build with MSVC due to a bug in our STL wrapper.
14		// See bug 1331102.
15		#include "nsStyleCoord.h"
16
17		using namespace mozilla;
18
19		nsStyleCoord::nsStyleCoord(nsStyleUnit aUnit)
20		: mUnit(aUnit)
21	0	{
22	0	NS_ASSERTION(aUnit < eStyleUnit_Percent, "not a valueless unit");
23	0	if (aUnit >= eStyleUnit_Percent) {
24	0	mUnit = eStyleUnit_Null;
25	0	}
26	0	mValue.mInt = 0;
27	0	}
28
29		nsStyleCoord::nsStyleCoord(int32_t aValue, nsStyleUnit aUnit)
30		: mUnit(aUnit)
31	0	{
32	0	//if you want to pass in eStyleUnit_Coord, don't. instead, use the
33	0	//constructor just above this one... MMP
34	0	NS_ASSERTION((aUnit == eStyleUnit_Enumerated) \|\|
35	0	(aUnit == eStyleUnit_Integer), "not an int value");
36	0	if ((aUnit == eStyleUnit_Enumerated) \|\|
37	0	(aUnit == eStyleUnit_Integer)) {
38	0	mValue.mInt = aValue;
39	0	}
40	0	else {
41	0	mUnit = eStyleUnit_Null;
42	0	mValue.mInt = 0;
43	0	}
44	0	}
45
46		nsStyleCoord::nsStyleCoord(float aValue, nsStyleUnit aUnit)
47		: mUnit(aUnit)
48	0	{
49	0	if (aUnit < eStyleUnit_Percent \|\| aUnit >= eStyleUnit_Coord) {
50	0	MOZ_ASSERT_UNREACHABLE("not a float value");
51	0	mUnit = eStyleUnit_Null;
52	0	mValue.mInt = 0;
53	0	} else {
54	0	mValue.mFloat = aValue;
55	0	}
56	0	}
57
58		bool nsStyleCoord::operator==(const nsStyleCoord& aOther) const
59	0	{
60	0	if (mUnit != aOther.mUnit) {
61	0	return false;
62	0	}
63	0	switch (mUnit) {
64	0	case eStyleUnit_Null:
65	0	case eStyleUnit_Normal:
66	0	case eStyleUnit_Auto:
67	0	case eStyleUnit_None:
68	0	return true;
69	0	case eStyleUnit_Percent:
70	0	case eStyleUnit_Factor:
71	0	case eStyleUnit_Degree:
72	0	case eStyleUnit_Grad:
73	0	case eStyleUnit_Radian:
74	0	case eStyleUnit_Turn:
75	0	case eStyleUnit_FlexFraction:
76	0	return mValue.mFloat == aOther.mValue.mFloat;
77	0	case eStyleUnit_Coord:
78	0	case eStyleUnit_Integer:
79	0	case eStyleUnit_Enumerated:
80	0	return mValue.mInt == aOther.mValue.mInt;
81	0	case eStyleUnit_Calc:
82	0	return this->GetCalcValue() == aOther.GetCalcValue();
83	0	}
84	0	MOZ_ASSERT(false, "unexpected unit");
85	0	return false;
86	0	}
87
88		void nsStyleCoord::Reset()
89	0	{
90	0	Reset(mUnit, mValue);
91	0	}
92
93		void nsStyleCoord::SetCoordValue(nscoord aValue)
94	0	{
95	0	Reset();
96	0	mUnit = eStyleUnit_Coord;
97	0	mValue.mInt = aValue;
98	0	}
99
100		void nsStyleCoord::SetIntValue(int32_t aValue, nsStyleUnit aUnit)
101	0	{
102	0	NS_ASSERTION((aUnit == eStyleUnit_Enumerated) \|\|
103	0	(aUnit == eStyleUnit_Integer), "not an int value");
104	0	Reset();
105	0	if ((aUnit == eStyleUnit_Enumerated) \|\|
106	0	(aUnit == eStyleUnit_Integer)) {
107	0	mUnit = aUnit;
108	0	mValue.mInt = aValue;
109	0	}
110	0	}
111
112		void nsStyleCoord::SetPercentValue(float aValue)
113	0	{
114	0	Reset();
115	0	mUnit = eStyleUnit_Percent;
116	0	mValue.mFloat = aValue;
117	0	}
118
119		void nsStyleCoord::SetFactorValue(float aValue)
120	0	{
121	0	Reset();
122	0	mUnit = eStyleUnit_Factor;
123	0	mValue.mFloat = aValue;
124	0	}
125
126		void nsStyleCoord::SetAngleValue(float aValue, nsStyleUnit aUnit)
127	0	{
128	0	Reset();
129	0	if (aUnit == eStyleUnit_Degree \|\|
130	0	aUnit == eStyleUnit_Grad \|\|
131	0	aUnit == eStyleUnit_Radian \|\|
132	0	aUnit == eStyleUnit_Turn) {
133	0	mUnit = aUnit;
134	0	mValue.mFloat = aValue;
135	0	} else {
136	0	MOZ_ASSERT_UNREACHABLE("not an angle value");
137	0	}
138	0	}
139
140		void nsStyleCoord::SetFlexFractionValue(float aValue)
141	0	{
142	0	Reset();
143	0	mUnit = eStyleUnit_FlexFraction;
144	0	mValue.mFloat = aValue;
145	0	}
146
147		void nsStyleCoord::SetCalcValue(Calc* aValue)
148	0	{
149	0	Reset();
150	0	mUnit = eStyleUnit_Calc;
151	0	mValue.mPointer = aValue;
152	0	aValue->AddRef();
153	0	}
154
155		void nsStyleCoord::SetNormalValue()
156	0	{
157	0	Reset();
158	0	mUnit = eStyleUnit_Normal;
159	0	mValue.mInt = 0;
160	0	}
161
162		void nsStyleCoord::SetAutoValue()
163	0	{
164	0	Reset();
165	0	mUnit = eStyleUnit_Auto;
166	0	mValue.mInt = 0;
167	0	}
168
169		void nsStyleCoord::SetNoneValue()
170	0	{
171	0	Reset();
172	0	mUnit = eStyleUnit_None;
173	0	mValue.mInt = 0;
174	0	}
175
176		// accessors that are not inlined
177
178		double
179		nsStyleCoord::GetAngleValueInDegrees() const
180	0	{
181	0	return GetAngleValueInRadians() * (180.0 / M_PI);
182	0	}
183
184		double
185		nsStyleCoord::GetAngleValueInRadians() const
186	0	{
187	0	double angle = mValue.mFloat;
188	0
189	0	switch (GetUnit()) {
190	0	case eStyleUnit_Radian: return angle;
191	0	case eStyleUnit_Turn: return angle * 2 * M_PI;
192	0	case eStyleUnit_Degree: return angle * M_PI / 180.0;
193	0	case eStyleUnit_Grad: return angle * M_PI / 200.0;
194	0
195	0	default:
196	0	MOZ_ASSERT_UNREACHABLE("unrecognized angular unit");
197	0	return 0.0;
198	0	}
199	0	}
200
201		nscoord
202		nsStyleCoord::ComputeComputedCalc(nscoord aPercentageBasis) const
203	0	{
204	0	Calc* calc = GetCalcValue();
205	0	return calc->mLength +
206	0	NSToCoordFloorClamped(aPercentageBasis * calc->mPercent);
207	0	}
208
209		nscoord
210		nsStyleCoord::ComputeCoordPercentCalc(nscoord aPercentageBasis) const
211	0	{
212	0	switch (GetUnit()) {
213	0	case eStyleUnit_Coord:
214	0	return GetCoordValue();
215	0	case eStyleUnit_Percent:
216	0	return NSToCoordFloorClamped(aPercentageBasis * GetPercentValue());
217	0	case eStyleUnit_Calc:
218	0	return ComputeComputedCalc(aPercentageBasis);
219	0	default:
220	0	MOZ_ASSERT_UNREACHABLE("Unexpected unit!");
221	0	return 0;
222	0	}
223	0	}
224
225		nsStyleSides::nsStyleSides()
226	0	{
227	0	NS_FOR_CSS_SIDES(i) {
228	0	mUnits[i] = eStyleUnit_Null;
229	0	}
230	0	mozilla::PodArrayZero(mValues);
231	0	}
232
233		nsStyleSides::nsStyleSides(const nsStyleSides& aOther)
234	0	{
235	0	NS_FOR_CSS_SIDES(i) {
236	0	mUnits[i] = eStyleUnit_Null;
237	0	}
238	0	*this = aOther;
239	0	}
240
241		nsStyleSides::~nsStyleSides()
242	0	{
243	0	Reset();
244	0	}
245
246		nsStyleSides&
247		nsStyleSides::operator=(const nsStyleSides& aCopy)
248	0	{
249	0	if (this != &aCopy) {
250	0	NS_FOR_CSS_SIDES(i) {
251	0	nsStyleCoord::SetValue(mUnits[i], mValues[i],
252	0	aCopy.mUnits[i], aCopy.mValues[i]);
253	0	}
254	0	}
255	0	return *this;
256	0	}
257
258		bool nsStyleSides::operator==(const nsStyleSides& aOther) const
259	0	{
260	0	NS_FOR_CSS_SIDES(i) {
261	0	if (nsStyleCoord(mValues[i], (nsStyleUnit)mUnits[i]) !=
262	0	nsStyleCoord(aOther.mValues[i], (nsStyleUnit)aOther.mUnits[i])) {
263	0	return false;
264	0	}
265	0	}
266	0	return true;
267	0	}
268
269		void nsStyleSides::Reset()
270	0	{
271	0	NS_FOR_CSS_SIDES(i) {
272	0	nsStyleCoord::Reset(mUnits[i], mValues[i]);
273	0	}
274	0	}
275
276		nsStyleCorners::nsStyleCorners()
277	0	{
278	0	NS_FOR_CSS_HALF_CORNERS(i) {
279	0	mUnits[i] = eStyleUnit_Null;
280	0	}
281	0	mozilla::PodArrayZero(mValues);
282	0	}
283
284		nsStyleCorners::nsStyleCorners(const nsStyleCorners& aOther)
285	0	{
286	0	NS_FOR_CSS_HALF_CORNERS(i) {
287	0	mUnits[i] = eStyleUnit_Null;
288	0	}
289	0	*this = aOther;
290	0	}
291
292		nsStyleCorners::~nsStyleCorners()
293	0	{
294	0	Reset();
295	0	}
296
297		nsStyleCorners&
298		nsStyleCorners::operator=(const nsStyleCorners& aCopy)
299	0	{
300	0	if (this != &aCopy) {
301	0	NS_FOR_CSS_HALF_CORNERS(i) {
302	0	nsStyleCoord::SetValue(mUnits[i], mValues[i],
303	0	aCopy.mUnits[i], aCopy.mValues[i]);
304	0	}
305	0	}
306	0	return *this;
307	0	}
308
309		bool
310		nsStyleCorners::operator==(const nsStyleCorners& aOther) const
311	0	{
312	0	NS_FOR_CSS_HALF_CORNERS(i) {
313	0	if (nsStyleCoord(mValues[i], (nsStyleUnit)mUnits[i]) !=
314	0	nsStyleCoord(aOther.mValues[i], (nsStyleUnit)aOther.mUnits[i])) {
315	0	return false;
316	0	}
317	0	}
318	0	return true;
319	0	}
320
321		void nsStyleCorners::Reset()
322	0	{
323	0	NS_FOR_CSS_HALF_CORNERS(i) {
324	0	nsStyleCoord::Reset(mUnits[i], mValues[i]);
325	0	}
326	0	}
327
328		// Validation of SideIsVertical.
329		#define CASE(side, result) \
330		static_assert(SideIsVertical(side) == result, \
331		"SideIsVertical is wrong")
332		CASE(eSideTop, false);
333		CASE(eSideRight, true);
334		CASE(eSideBottom, false);
335		CASE(eSideLeft, true);
336		#undef CASE
337
338		// Validation of HalfCornerIsX.
339		#define CASE(corner, result) \
340		static_assert(HalfCornerIsX(corner) == result, \
341		"HalfCornerIsX is wrong")
342		CASE(eCornerTopLeftX, true);
343		CASE(eCornerTopLeftY, false);
344		CASE(eCornerTopRightX, true);
345		CASE(eCornerTopRightY, false);
346		CASE(eCornerBottomRightX, true);
347		CASE(eCornerBottomRightY, false);
348		CASE(eCornerBottomLeftX, true);
349		CASE(eCornerBottomLeftY, false);
350		#undef CASE
351
352		// Validation of HalfToFullCorner.
353		#define CASE(corner, result) \
354		static_assert(HalfToFullCorner(corner) == result, \
355		"HalfToFullCorner is wrong")
356		CASE(eCornerTopLeftX, eCornerTopLeft);
357		CASE(eCornerTopLeftY, eCornerTopLeft);
358		CASE(eCornerTopRightX, eCornerTopRight);
359		CASE(eCornerTopRightY, eCornerTopRight);
360		CASE(eCornerBottomRightX, eCornerBottomRight);
361		CASE(eCornerBottomRightY, eCornerBottomRight);
362		CASE(eCornerBottomLeftX, eCornerBottomLeft);
363		CASE(eCornerBottomLeftY, eCornerBottomLeft);
364		#undef CASE
365
366		// Validation of FullToHalfCorner.
367		#define CASE(corner, vert, result) \
368		static_assert(FullToHalfCorner(corner, vert) == result, \
369		"FullToHalfCorner is wrong")
370		CASE(eCornerTopLeft, false, eCornerTopLeftX);
371		CASE(eCornerTopLeft, true, eCornerTopLeftY);
372		CASE(eCornerTopRight, false, eCornerTopRightX);
373		CASE(eCornerTopRight, true, eCornerTopRightY);
374		CASE(eCornerBottomRight, false, eCornerBottomRightX);
375		CASE(eCornerBottomRight, true, eCornerBottomRightY);
376		CASE(eCornerBottomLeft, false, eCornerBottomLeftX);
377		CASE(eCornerBottomLeft, true, eCornerBottomLeftY);
378		#undef CASE
379
380		// Validation of SideToFullCorner.
381		#define CASE(side, second, result) \
382		static_assert(SideToFullCorner(side, second) == result, \
383		"SideToFullCorner is wrong")
384		CASE(eSideTop, false, eCornerTopLeft);
385		CASE(eSideTop, true, eCornerTopRight);
386
387		CASE(eSideRight, false, eCornerTopRight);
388		CASE(eSideRight, true, eCornerBottomRight);
389
390		CASE(eSideBottom, false, eCornerBottomRight);
391		CASE(eSideBottom, true, eCornerBottomLeft);
392
393		CASE(eSideLeft, false, eCornerBottomLeft);
394		CASE(eSideLeft, true, eCornerTopLeft);
395		#undef CASE
396
397		// Validation of SideToHalfCorner.
398		#define CASE(side, second, parallel, result) \
399		static_assert(SideToHalfCorner(side, second, parallel) == result, \
400		"SideToHalfCorner is wrong")
401		CASE(eSideTop, false, true, eCornerTopLeftX);
402		CASE(eSideTop, false, false, eCornerTopLeftY);
403		CASE(eSideTop, true, true, eCornerTopRightX);
404		CASE(eSideTop, true, false, eCornerTopRightY);
405
406		CASE(eSideRight, false, false, eCornerTopRightX);
407		CASE(eSideRight, false, true, eCornerTopRightY);
408		CASE(eSideRight, true, false, eCornerBottomRightX);
409		CASE(eSideRight, true, true, eCornerBottomRightY);
410
411		CASE(eSideBottom, false, true, eCornerBottomRightX);
412		CASE(eSideBottom, false, false, eCornerBottomRightY);
413		CASE(eSideBottom, true, true, eCornerBottomLeftX);
414		CASE(eSideBottom, true, false, eCornerBottomLeftY);
415
416		CASE(eSideLeft, false, false, eCornerBottomLeftX);
417		CASE(eSideLeft, false, true, eCornerBottomLeftY);
418		CASE(eSideLeft, true, false, eCornerTopLeftX);
419		CASE(eSideLeft, true, true, eCornerTopLeftY);
420		#undef CASE