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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrClip_DEFINED | 8 #ifndef GrClip_DEFINED |
9 #define GrClip_DEFINED | 9 #define GrClip_DEFINED |
10 | 10 |
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122 constexpr static SkScalar kBoundsTolerance = 1e-3f; | 122 constexpr static SkScalar kBoundsTolerance = 1e-3f; |
123 | 123 |
124 /** | 124 /** |
125 * Returns true if the given query bounds count as entirely inside the clip. | 125 * Returns true if the given query bounds count as entirely inside the clip. |
126 * | 126 * |
127 * @param innerClipBounds device-space rect contained by the clip (SkRect or SkIRect). | 127 * @param innerClipBounds device-space rect contained by the clip (SkRect or SkIRect). |
128 * @param queryBounds device-space bounds of the query region. | 128 * @param queryBounds device-space bounds of the query region. |
129 */ | 129 */ |
130 template<typename TRect> constexpr static bool IsInsideClip(const TRect& inn erClipBounds, | 130 template<typename TRect> constexpr static bool IsInsideClip(const TRect& inn erClipBounds, |
131 const SkRect& qu eryBounds) { | 131 const SkRect& qu eryBounds) { |
132 return innerClipBounds.fRight - innerClipBounds.fLeft >= kBoundsToleranc e && | 132 return innerClipBounds.fRight - innerClipBounds.fLeft > kBoundsTolerance && |
133 innerClipBounds.fBottom - innerClipBounds.fTop >= kBoundsToleranc e && | 133 innerClipBounds.fBottom - innerClipBounds.fTop > kBoundsTolerance && |
134 innerClipBounds.fLeft <= queryBounds.fLeft + kBoundsTolerance && | 134 innerClipBounds.fLeft < queryBounds.fLeft + kBoundsTolerance && |
135 innerClipBounds.fTop <= queryBounds.fTop + kBoundsTolerance && | 135 innerClipBounds.fTop < queryBounds.fTop + kBoundsTolerance && |
136 innerClipBounds.fRight >= queryBounds.fRight - kBoundsTolerance & & | 136 innerClipBounds.fRight > queryBounds.fRight - kBoundsTolerance && |
137 innerClipBounds.fBottom >= queryBounds.fBottom - kBoundsTolerance ; | 137 innerClipBounds.fBottom > queryBounds.fBottom - kBoundsTolerance; |
138 } | 138 } |
139 | 139 |
140 /** | 140 /** |
141 * Returns true if the given query bounds count as entirely outside the clip . | 141 * Returns true if the given query bounds count as entirely outside the clip . |
142 * | 142 * |
143 * @param outerClipBounds device-space rect that contains the clip (SkRect or SkIRect). | 143 * @param outerClipBounds device-space rect that contains the clip (SkRect or SkIRect). |
144 * @param queryBounds device-space bounds of the query region. | 144 * @param queryBounds device-space bounds of the query region. |
145 */ | 145 */ |
146 template<typename TRect> constexpr static bool IsOutsideClip(const TRect& ou terClipBounds, | 146 template<typename TRect> constexpr static bool IsOutsideClip(const TRect& ou terClipBounds, |
147 const SkRect& q ueryBounds) { | 147 const SkRect& q ueryBounds) { |
148 return outerClipBounds.fRight - outerClipBounds.fLeft < kBoundsTolerance || | 148 return outerClipBounds.fRight - outerClipBounds.fLeft <= kBoundsToleranc e || |
149 outerClipBounds.fBottom - outerClipBounds.fTop < kBoundsTolerance || | 149 outerClipBounds.fBottom - outerClipBounds.fTop <= kBoundsToleranc e || |
150 outerClipBounds.fLeft > queryBounds.fRight - kBoundsTolerance || | 150 outerClipBounds.fLeft >= queryBounds.fRight - kBoundsTolerance || |
151 outerClipBounds.fTop > queryBounds.fBottom - kBoundsTolerance || | 151 outerClipBounds.fTop >= queryBounds.fBottom - kBoundsTolerance || |
152 outerClipBounds.fRight < queryBounds.fLeft + kBoundsTolerance || | 152 outerClipBounds.fRight <= queryBounds.fLeft + kBoundsTolerance || |
153 outerClipBounds.fBottom < queryBounds.fTop + kBoundsTolerance; | 153 outerClipBounds.fBottom <= queryBounds.fTop + kBoundsTolerance; |
csmartdalton
2016/08/08 05:26:55
Switching to <= and >= ought to remove the case wh
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154 } | 154 } |
155 | 155 |
156 /** | 156 /** |
157 * Returns the minimal integer rect that counts as containing a given set of bounds. | 157 * Returns the minimal integer rect that counts as containing a given set of bounds. |
158 */ | 158 */ |
159 static SkIRect GetPixelIBounds(const SkRect& bounds) { | 159 static SkIRect GetPixelIBounds(const SkRect& bounds) { |
160 return SkIRect::MakeLTRB(SkScalarFloorToInt(bounds.fLeft + kBoundsTolera nce), | 160 return SkIRect::MakeLTRB(SkScalarFloorToInt(bounds.fLeft + kBoundsTolera nce), |
161 SkScalarFloorToInt(bounds.fTop + kBoundsToleran ce), | 161 SkScalarFloorToInt(bounds.fTop + kBoundsToleran ce), |
162 SkScalarCeilToInt(bounds.fRight - kBoundsTolera nce), | 162 SkScalarCeilToInt(bounds.fRight - kBoundsTolera nce), |
163 SkScalarCeilToInt(bounds.fBottom - kBoundsToler ance)); | 163 SkScalarCeilToInt(bounds.fBottom - kBoundsToler ance)); |
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263 bool useHWAA, | 263 bool useHWAA, |
264 bool hasUserStencilSettings, | 264 bool hasUserStencilSettings, |
265 GrAppliedClip* out) const final; | 265 GrAppliedClip* out) const final; |
266 | 266 |
267 GrScissorState fScissorState; | 267 GrScissorState fScissorState; |
268 SkRect fDeviceBounds; | 268 SkRect fDeviceBounds; |
269 bool fHasStencilClip; | 269 bool fHasStencilClip; |
270 }; | 270 }; |
271 | 271 |
272 #endif | 272 #endif |
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