зеркало из https://github.com/mozilla/gecko-dev.git
691 строка
21 KiB
C++
691 строка
21 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* representation of length values in computed style data */
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#ifndef nsStyleCoord_h___
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#define nsStyleCoord_h___
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#include <type_traits>
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#include "mozilla/EnumTypeTraits.h"
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#include "mozilla/gfx/Types.h"
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#include "nsCoord.h"
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#include "nsISupportsImpl.h"
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#include "nsStyleConsts.h"
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namespace mozilla {
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class WritingMode;
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// Logical axis, edge, side and corner constants for use in various places.
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enum LogicalAxis {
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eLogicalAxisBlock = 0x0,
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eLogicalAxisInline = 0x1
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};
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enum LogicalEdge {
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eLogicalEdgeStart = 0x0,
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eLogicalEdgeEnd = 0x1
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};
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enum LogicalSide {
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eLogicalSideBStart = (eLogicalAxisBlock << 1) | eLogicalEdgeStart, // 0x0
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eLogicalSideBEnd = (eLogicalAxisBlock << 1) | eLogicalEdgeEnd, // 0x1
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eLogicalSideIStart = (eLogicalAxisInline << 1) | eLogicalEdgeStart, // 0x2
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eLogicalSideIEnd = (eLogicalAxisInline << 1) | eLogicalEdgeEnd // 0x3
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};
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enum LogicalCorner
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{
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eLogicalCornerBStartIStart = 0,
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eLogicalCornerBStartIEnd = 1,
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eLogicalCornerBEndIEnd = 2,
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eLogicalCornerBEndIStart = 3
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};
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} // namespace mozilla
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enum nsStyleUnit : uint8_t {
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eStyleUnit_Null = 0, // (no value) value is not specified
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eStyleUnit_Normal = 1, // (no value)
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eStyleUnit_Auto = 2, // (no value)
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eStyleUnit_None = 3, // (no value)
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eStyleUnit_Percent = 10, // (float) 1.0 == 100%
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eStyleUnit_Factor = 11, // (float) a multiplier
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eStyleUnit_Degree = 12, // (float) angle in degrees
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eStyleUnit_Grad = 13, // (float) angle in grads
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eStyleUnit_Radian = 14, // (float) angle in radians
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eStyleUnit_Turn = 15, // (float) angle in turns
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eStyleUnit_FlexFraction = 16, // (float) <flex> in fr units
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eStyleUnit_Coord = 20, // (nscoord) value is twips
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eStyleUnit_Integer = 30, // (int) value is simple integer
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eStyleUnit_Enumerated = 32, // (int) value has enumerated meaning
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// The following are reference counted allocated types.
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eStyleUnit_Calc = 40, // (Calc*) calc() toplevel; always present
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// to distinguish 50% from calc(50%), etc.
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eStyleUnit_MAX = 40 // highest valid nsStyleUnit value
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};
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typedef union {
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int32_t mInt; // nscoord is a int32_t for now
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float mFloat;
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// An mPointer is a reference counted pointer. Currently this can only
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// ever be an nsStyleCoord::Calc*.
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void* mPointer;
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} nsStyleUnion;
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/**
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* Class that hold a single size specification used by the style
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* system. The size specification consists of two parts -- a number
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* and a unit. The number is an integer, a floating point value, an
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* nscoord, or undefined, and the unit is an nsStyleUnit. Checking
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* the unit is a must before asking for the value in any particular
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* form.
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*/
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/** <div rustbindgen private accessor="unsafe"></div> */
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class nsStyleCoord {
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public:
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// Non-reference counted calc() value. See nsStyleStruct.h for some uses
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// of this.
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struct CalcValue {
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// Every calc() expression evaluates to a length plus a percentage.
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nscoord mLength;
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float mPercent;
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bool mHasPercent; // whether there was any % syntax, even if 0
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bool operator==(const CalcValue& aOther) const {
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return mLength == aOther.mLength &&
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mPercent == aOther.mPercent &&
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mHasPercent == aOther.mHasPercent;
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}
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bool operator!=(const CalcValue& aOther) const {
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return !(*this == aOther);
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}
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nscoord ToLength() const {
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MOZ_ASSERT(!mHasPercent);
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return mLength;
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}
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// If this returns true the value is definitely zero. It it returns false
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// it might be zero. So it's best used for conservative optimization.
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bool IsDefinitelyZero() const { return mLength == 0 && mPercent == 0; }
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};
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// Reference counted calc() value. This is the type that is used to store
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// the calc() value in nsStyleCoord.
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struct Calc final : public CalcValue {
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(Calc)
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Calc() {}
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private:
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Calc(const Calc&) = delete;
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~Calc() {}
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Calc& operator=(const Calc&) = delete;
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};
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explicit nsStyleCoord(nsStyleUnit aUnit = eStyleUnit_Null);
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enum CoordConstructorType { CoordConstructor };
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inline nsStyleCoord(nscoord aValue, CoordConstructorType);
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nsStyleCoord(int32_t aValue, nsStyleUnit aUnit);
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nsStyleCoord(float aValue, nsStyleUnit aUnit);
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inline nsStyleCoord(const nsStyleCoord& aCopy);
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inline nsStyleCoord(const nsStyleUnion& aValue, nsStyleUnit aUnit);
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~nsStyleCoord() { Reset(); }
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nsStyleCoord& operator=(const nsStyleCoord& aOther)
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{
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if (this != &aOther) {
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SetValue(mUnit, mValue, aOther);
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}
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return *this;
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}
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bool operator==(const nsStyleCoord& aOther) const;
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bool operator!=(const nsStyleCoord& aOther) const;
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nsStyleUnit GetUnit() const {
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NS_ASSERTION(mUnit != eStyleUnit_Null, "reading uninitialized value");
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return mUnit;
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}
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bool IsAngleValue() const {
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return eStyleUnit_Degree <= mUnit && mUnit <= eStyleUnit_Turn;
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}
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static bool IsCalcUnit(nsStyleUnit aUnit) {
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return aUnit == eStyleUnit_Calc;
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}
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static bool IsPointerUnit(nsStyleUnit aUnit) {
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return IsCalcUnit(aUnit);
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}
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bool IsCalcUnit() const {
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return IsCalcUnit(mUnit);
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}
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bool IsPointerValue() const {
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return IsPointerUnit(mUnit);
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}
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bool IsCoordPercentCalcUnit() const {
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return mUnit == eStyleUnit_Coord ||
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mUnit == eStyleUnit_Percent ||
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IsCalcUnit();
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}
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// Does this calc() expression have any percentages inside it? Can be
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// called only when IsCalcUnit() is true.
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bool CalcHasPercent() const {
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return GetCalcValue()->mHasPercent;
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}
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bool HasPercent() const {
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return mUnit == eStyleUnit_Percent ||
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(IsCalcUnit() && CalcHasPercent());
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}
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static bool ConvertsToLength(const nsStyleUnit aUnit,
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const nsStyleUnion aValue) {
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return aUnit == eStyleUnit_Coord ||
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(IsCalcUnit(aUnit) && !AsCalcValue(aValue)->mHasPercent);
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}
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bool ConvertsToLength() const {
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return ConvertsToLength(mUnit, mValue);
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}
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static nscoord ToLength(nsStyleUnit aUnit, nsStyleUnion aValue) {
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MOZ_ASSERT(ConvertsToLength(aUnit, aValue));
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if (IsCalcUnit(aUnit)) {
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return AsCalcValue(aValue)->ToLength(); // Note: This asserts !mHasPercent
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}
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MOZ_ASSERT(aUnit == eStyleUnit_Coord);
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return aValue.mInt;
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}
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nscoord ToLength() const {
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return ToLength(GetUnit(), mValue);
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}
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// Callers must verify IsCalcUnit before calling this function.
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static Calc* AsCalcValue(nsStyleUnion aValue) {
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return static_cast<Calc*>(aValue.mPointer);
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}
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// Compute the value that IsCalcUnit().
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// @note the caller is expected to handle percentage of an indefinite size
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// and NOT call this method with aPercentageBasis == NS_UNCONSTRAINEDSIZE.
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// @note the return value may be negative, e.g. for "calc(a - b%)"
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nscoord ComputeComputedCalc(nscoord aPercentageBasis) const;
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// Compute the value that is either a coord, a percent, or a calc expression.
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// @note the caller is expected to handle percentage of an indefinite size
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// and NOT call this method with aPercentageBasis == NS_UNCONSTRAINEDSIZE.
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// @note the return value may be negative, e.g. for "calc(a - b%)"
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nscoord ComputeCoordPercentCalc(nscoord aPercentageBasis) const;
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nscoord GetCoordValue() const;
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int32_t GetIntValue() const;
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float GetPercentValue() const;
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float GetFactorValue() const;
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float GetFactorOrPercentValue() const;
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float GetAngleValue() const;
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double GetAngleValueInDegrees() const;
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double GetAngleValueInRadians() const;
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float GetFlexFractionValue() const;
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Calc* GetCalcValue() const;
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template<typename T,
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typename = typename std::enable_if<std::is_enum<T>::value>::type>
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T GetEnumValue() const
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{
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MOZ_ASSERT(GetUnit() == eStyleUnit_Enumerated,
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"The unit must be eStyleUnit_Enumerated!");
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return static_cast<T>(GetIntValue());
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}
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// Sets to null and releases any refcounted objects. Only use this if the
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// object is initialized (i.e. don't use it in nsStyleCoord constructors).
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void Reset();
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void SetCoordValue(nscoord aValue);
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void SetIntValue(int32_t aValue, nsStyleUnit aUnit);
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void SetPercentValue(float aValue);
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void SetFactorValue(float aValue);
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void SetAngleValue(float aValue, nsStyleUnit aUnit);
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void SetFlexFractionValue(float aValue);
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void SetNormalValue();
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void SetAutoValue();
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void SetNoneValue();
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void SetCalcValue(Calc* aValue);
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template<typename T,
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typename = typename std::enable_if<std::is_enum<T>::value>::type>
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void SetEnumValue(T aValue)
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{
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static_assert(mozilla::EnumTypeFitsWithin<T, int32_t>::value,
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"aValue must be an enum that fits within mValue.mInt!");
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SetIntValue(static_cast<int32_t>(aValue), eStyleUnit_Enumerated);
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}
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// Resets a coord represented by a unit/value pair.
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static inline void Reset(nsStyleUnit& aUnit, nsStyleUnion& aValue);
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// Sets a coord represented by a unit/value pair from a second
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// unit/value pair.
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static inline void SetValue(nsStyleUnit& aUnit,
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nsStyleUnion& aValue,
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nsStyleUnit aOtherUnit,
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const nsStyleUnion& aOtherValue);
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// Sets a coord represented by a unit/value pair from an nsStyleCoord.
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static inline void SetValue(nsStyleUnit& aUnit, nsStyleUnion& aValue,
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const nsStyleCoord& aOther);
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// Like the above, but do not reset before setting.
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static inline void InitWithValue(nsStyleUnit& aUnit,
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nsStyleUnion& aValue,
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nsStyleUnit aOtherUnit,
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const nsStyleUnion& aOtherValue);
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static inline void InitWithValue(nsStyleUnit& aUnit, nsStyleUnion& aValue,
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const nsStyleCoord& aOther);
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private:
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nsStyleUnit mUnit;
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nsStyleUnion mValue;
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};
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/**
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* Class that represents a set of top/right/bottom/left nsStyleCoords.
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* This is commonly used to hold the widths of the borders, margins,
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* or paddings of a box.
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*/
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/** <div rustbindgen private accessor="unsafe"></div> */
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class nsStyleSides {
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public:
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nsStyleSides();
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nsStyleSides(const nsStyleSides&);
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~nsStyleSides();
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nsStyleSides& operator=(const nsStyleSides& aCopy);
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bool operator==(const nsStyleSides& aOther) const;
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bool operator!=(const nsStyleSides& aOther) const;
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inline nsStyleUnit GetUnit(mozilla::Side aSide) const;
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inline nsStyleUnit GetLeftUnit() const;
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inline nsStyleUnit GetTopUnit() const;
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inline nsStyleUnit GetRightUnit() const;
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inline nsStyleUnit GetBottomUnit() const;
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inline nsStyleCoord Get(mozilla::Side aSide) const;
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inline nsStyleCoord GetLeft() const;
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inline nsStyleCoord GetTop() const;
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inline nsStyleCoord GetRight() const;
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inline nsStyleCoord GetBottom() const;
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// Methods to access the units and values in terms of logical sides
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// for a given writing mode.
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// NOTE: The definitions are in WritingModes.h (after we have the full
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// declaration of WritingMode available).
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inline nsStyleUnit GetUnit(mozilla::WritingMode aWritingMode,
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mozilla::LogicalSide aSide) const;
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inline nsStyleUnit GetIStartUnit(mozilla::WritingMode aWritingMode) const;
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inline nsStyleUnit GetBStartUnit(mozilla::WritingMode aWritingMode) const;
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inline nsStyleUnit GetIEndUnit(mozilla::WritingMode aWritingMode) const;
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inline nsStyleUnit GetBEndUnit(mozilla::WritingMode aWritingMode) const;
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// Return true if either the start or end side in the axis is 'auto'.
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inline bool HasBlockAxisAuto(mozilla::WritingMode aWritingMode) const;
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inline bool HasInlineAxisAuto(mozilla::WritingMode aWritingMode) const;
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inline nsStyleCoord Get(mozilla::WritingMode aWritingMode,
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mozilla::LogicalSide aSide) const;
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inline nsStyleCoord GetIStart(mozilla::WritingMode aWritingMode) const;
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inline nsStyleCoord GetBStart(mozilla::WritingMode aWritingMode) const;
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inline nsStyleCoord GetIEnd(mozilla::WritingMode aWritingMode) const;
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inline nsStyleCoord GetBEnd(mozilla::WritingMode aWritingMode) const;
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// Sets each side to null and releases any refcounted objects. Only use this
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// if the object is initialized (i.e. don't use it in nsStyleSides
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// constructors).
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void Reset();
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inline void Set(mozilla::Side aSide, const nsStyleCoord& aCoord);
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inline void SetLeft(const nsStyleCoord& aCoord);
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inline void SetTop(const nsStyleCoord& aCoord);
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inline void SetRight(const nsStyleCoord& aCoord);
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inline void SetBottom(const nsStyleCoord& aCoord);
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nscoord ToLength(mozilla::Side aSide) const {
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return nsStyleCoord::ToLength(mUnits[aSide], mValues[aSide]);
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}
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bool ConvertsToLength() const {
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NS_FOR_CSS_SIDES(side) {
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if (!nsStyleCoord::ConvertsToLength(mUnits[side], mValues[side])) {
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return false;
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}
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}
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return true;
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}
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protected:
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nsStyleUnit mUnits[4];
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nsStyleUnion mValues[4];
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};
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/**
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* Class that represents a set of top-left/top-right/bottom-right/bottom-left
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* nsStyleCoord pairs. This is used to hold the dimensions of the
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* corners of a box (for, e.g., border-radius and outline-radius).
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*/
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/** <div rustbindgen private accessor="unsafe"></div> */
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class nsStyleCorners {
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public:
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nsStyleCorners();
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nsStyleCorners(const nsStyleCorners&);
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~nsStyleCorners();
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// use compiler's version
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nsStyleCorners& operator=(const nsStyleCorners& aCopy);
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bool operator==(const nsStyleCorners& aOther) const;
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bool operator!=(const nsStyleCorners& aOther) const;
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// aHalfCorner is always one of enum HalfCorner in gfx/2d/Types.h.
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inline nsStyleUnit GetUnit(uint8_t aHalfCorner) const;
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inline nsStyleCoord Get(uint8_t aHalfCorner) const;
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// Sets each corner to null and releases any refcounted objects. Only use
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// this if the object is initialized (i.e. don't use it in nsStyleCorners
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// constructors).
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void Reset();
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inline void Set(uint8_t aHalfCorner, const nsStyleCoord& aCoord);
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protected:
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// Stored as:
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// top-left.x, top-left.y,
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// top-right.x, top-right.y,
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// bottom-right.x, bottom-right.y,
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// bottom-left.x, bottom-left.y
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nsStyleUnit mUnits[8];
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nsStyleUnion mValues[8];
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};
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// -------------------------
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// nsStyleCoord inlines
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//
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inline nsStyleCoord::nsStyleCoord(nscoord aValue, CoordConstructorType)
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: mUnit(eStyleUnit_Coord)
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{
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mValue.mInt = aValue;
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}
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inline nsStyleCoord::nsStyleCoord(const nsStyleCoord& aCopy)
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: mUnit(eStyleUnit_Null)
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{
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InitWithValue(mUnit, mValue, aCopy);
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}
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inline nsStyleCoord::nsStyleCoord(const nsStyleUnion& aValue, nsStyleUnit aUnit)
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: mUnit(eStyleUnit_Null)
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{
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InitWithValue(mUnit, mValue, aUnit, aValue);
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}
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inline bool nsStyleCoord::operator!=(const nsStyleCoord& aOther) const
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{
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return !((*this) == aOther);
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}
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inline nscoord nsStyleCoord::GetCoordValue() const
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{
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NS_ASSERTION((mUnit == eStyleUnit_Coord), "not a coord value");
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if (mUnit == eStyleUnit_Coord) {
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return mValue.mInt;
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}
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return 0;
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}
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inline int32_t nsStyleCoord::GetIntValue() const
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{
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NS_ASSERTION((mUnit == eStyleUnit_Enumerated) ||
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(mUnit == eStyleUnit_Integer), "not an int value");
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if ((mUnit == eStyleUnit_Enumerated) ||
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(mUnit == eStyleUnit_Integer)) {
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return mValue.mInt;
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}
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return 0;
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}
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inline float nsStyleCoord::GetPercentValue() const
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{
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NS_ASSERTION(mUnit == eStyleUnit_Percent, "not a percent value");
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if (mUnit == eStyleUnit_Percent) {
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return mValue.mFloat;
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}
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return 0.0f;
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}
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inline float nsStyleCoord::GetFactorValue() const
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{
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NS_ASSERTION(mUnit == eStyleUnit_Factor, "not a factor value");
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if (mUnit == eStyleUnit_Factor) {
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return mValue.mFloat;
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}
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return 0.0f;
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}
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inline float nsStyleCoord::GetFactorOrPercentValue() const
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{
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NS_ASSERTION(mUnit == eStyleUnit_Factor || mUnit == eStyleUnit_Percent,
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"not a percent or factor value");
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if (mUnit == eStyleUnit_Factor || mUnit == eStyleUnit_Percent) {
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return mValue.mFloat;
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}
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return 0.0f;
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}
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inline float nsStyleCoord::GetAngleValue() const
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|
{
|
|
NS_ASSERTION(mUnit >= eStyleUnit_Degree &&
|
|
mUnit <= eStyleUnit_Turn, "not an angle value");
|
|
if (mUnit >= eStyleUnit_Degree && mUnit <= eStyleUnit_Turn) {
|
|
return mValue.mFloat;
|
|
}
|
|
return 0.0f;
|
|
}
|
|
|
|
inline float nsStyleCoord::GetFlexFractionValue() const
|
|
{
|
|
NS_ASSERTION(mUnit == eStyleUnit_FlexFraction, "not a fr value");
|
|
if (mUnit == eStyleUnit_FlexFraction) {
|
|
return mValue.mFloat;
|
|
}
|
|
return 0.0f;
|
|
}
|
|
|
|
inline nsStyleCoord::Calc* nsStyleCoord::GetCalcValue() const
|
|
{
|
|
NS_ASSERTION(IsCalcUnit(), "not a pointer value");
|
|
if (IsCalcUnit()) {
|
|
return AsCalcValue(mValue);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
/* static */ inline void
|
|
nsStyleCoord::Reset(nsStyleUnit& aUnit, nsStyleUnion& aValue)
|
|
{
|
|
MOZ_ASSERT(aUnit <= eStyleUnit_MAX,
|
|
"calling Reset on uninitialized nsStyleCoord?");
|
|
|
|
switch (aUnit) {
|
|
case eStyleUnit_Calc:
|
|
static_cast<Calc*>(aValue.mPointer)->Release();
|
|
break;
|
|
default:
|
|
MOZ_ASSERT(!IsPointerUnit(aUnit), "check pointer refcounting logic");
|
|
}
|
|
|
|
aUnit = eStyleUnit_Null;
|
|
aValue.mInt = 0;
|
|
}
|
|
|
|
/* static */ inline void
|
|
nsStyleCoord::SetValue(nsStyleUnit& aUnit,
|
|
nsStyleUnion& aValue,
|
|
nsStyleUnit aOtherUnit,
|
|
const nsStyleUnion& aOtherValue)
|
|
{
|
|
Reset(aUnit, aValue);
|
|
InitWithValue(aUnit, aValue, aOtherUnit, aOtherValue);
|
|
}
|
|
|
|
/* static */ inline void
|
|
nsStyleCoord::InitWithValue(nsStyleUnit& aUnit,
|
|
nsStyleUnion& aValue,
|
|
nsStyleUnit aOtherUnit,
|
|
const nsStyleUnion& aOtherValue)
|
|
{
|
|
aUnit = aOtherUnit;
|
|
aValue = aOtherValue;
|
|
|
|
switch (aUnit) {
|
|
case eStyleUnit_Calc:
|
|
static_cast<Calc*>(aValue.mPointer)->AddRef();
|
|
break;
|
|
default:
|
|
MOZ_ASSERT(!IsPointerUnit(aUnit), "check pointer refcounting logic");
|
|
}
|
|
}
|
|
|
|
/* static */ inline void
|
|
nsStyleCoord::SetValue(nsStyleUnit& aUnit, nsStyleUnion& aValue,
|
|
const nsStyleCoord& aOther)
|
|
{
|
|
SetValue(aUnit, aValue, aOther.mUnit, aOther.mValue);
|
|
}
|
|
|
|
/* static */ inline void
|
|
nsStyleCoord::InitWithValue(nsStyleUnit& aUnit, nsStyleUnion& aValue,
|
|
const nsStyleCoord& aOther)
|
|
{
|
|
InitWithValue(aUnit, aValue, aOther.mUnit, aOther.mValue);
|
|
}
|
|
|
|
|
|
// -------------------------
|
|
// nsStyleSides inlines
|
|
//
|
|
inline bool nsStyleSides::operator!=(const nsStyleSides& aOther) const
|
|
{
|
|
return !((*this) == aOther);
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetUnit(mozilla::Side aSide) const
|
|
{
|
|
return (nsStyleUnit)mUnits[aSide];
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetLeftUnit() const
|
|
{
|
|
return GetUnit(mozilla::eSideLeft);
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetTopUnit() const
|
|
{
|
|
return GetUnit(mozilla::eSideTop);
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetRightUnit() const
|
|
{
|
|
return GetUnit(mozilla::eSideRight);
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetBottomUnit() const
|
|
{
|
|
return GetUnit(mozilla::eSideBottom);
|
|
}
|
|
|
|
inline nsStyleCoord nsStyleSides::Get(mozilla::Side aSide) const
|
|
{
|
|
return nsStyleCoord(mValues[aSide], nsStyleUnit(mUnits[aSide]));
|
|
}
|
|
|
|
inline nsStyleCoord nsStyleSides::GetLeft() const
|
|
{
|
|
return Get(mozilla::eSideLeft);
|
|
}
|
|
|
|
inline nsStyleCoord nsStyleSides::GetTop() const
|
|
{
|
|
return Get(mozilla::eSideTop);
|
|
}
|
|
|
|
inline nsStyleCoord nsStyleSides::GetRight() const
|
|
{
|
|
return Get(mozilla::eSideRight);
|
|
}
|
|
|
|
inline nsStyleCoord nsStyleSides::GetBottom() const
|
|
{
|
|
return Get(mozilla::eSideBottom);
|
|
}
|
|
|
|
inline void nsStyleSides::Set(mozilla::Side aSide, const nsStyleCoord& aCoord)
|
|
{
|
|
nsStyleCoord::SetValue(mUnits[aSide], mValues[aSide], aCoord);
|
|
}
|
|
|
|
inline void nsStyleSides::SetLeft(const nsStyleCoord& aCoord)
|
|
{
|
|
Set(mozilla::eSideLeft, aCoord);
|
|
}
|
|
|
|
inline void nsStyleSides::SetTop(const nsStyleCoord& aCoord)
|
|
{
|
|
Set(mozilla::eSideTop, aCoord);
|
|
}
|
|
|
|
inline void nsStyleSides::SetRight(const nsStyleCoord& aCoord)
|
|
{
|
|
Set(mozilla::eSideRight, aCoord);
|
|
}
|
|
|
|
inline void nsStyleSides::SetBottom(const nsStyleCoord& aCoord)
|
|
{
|
|
Set(mozilla::eSideBottom, aCoord);
|
|
}
|
|
|
|
// -------------------------
|
|
// nsStyleCorners inlines
|
|
//
|
|
inline bool nsStyleCorners::operator!=(const nsStyleCorners& aOther) const
|
|
{
|
|
return !((*this) == aOther);
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleCorners::GetUnit(uint8_t aCorner) const
|
|
{
|
|
return (nsStyleUnit)mUnits[aCorner];
|
|
}
|
|
|
|
inline nsStyleCoord nsStyleCorners::Get(uint8_t aCorner) const
|
|
{
|
|
return nsStyleCoord(mValues[aCorner], nsStyleUnit(mUnits[aCorner]));
|
|
}
|
|
|
|
inline void nsStyleCorners::Set(uint8_t aCorner, const nsStyleCoord& aCoord)
|
|
{
|
|
nsStyleCoord::SetValue(mUnits[aCorner], mValues[aCorner], aCoord);
|
|
}
|
|
|
|
#endif /* nsStyleCoord_h___ */
|