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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkPathEffect_DEFINED | 10 #ifndef SkPathEffect_DEFINED |
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124 | 124 |
125 SkScalar* fIntervals; //!< Length of on/off intervals for dash
ed lines | 125 SkScalar* fIntervals; //!< Length of on/off intervals for dash
ed lines |
126 // Even values represent ons, and odds
offs | 126 // Even values represent ons, and odds
offs |
127 int32_t fCount; //!< Number of intervals in the dash. Sh
ould be even number | 127 int32_t fCount; //!< Number of intervals in the dash. Sh
ould be even number |
128 SkScalar fPhase; //!< Offset into the dashed interval pat
tern | 128 SkScalar fPhase; //!< Offset into the dashed interval pat
tern |
129 // mod the sum of all intervals | 129 // mod the sum of all intervals |
130 }; | 130 }; |
131 | 131 |
132 virtual DashType asADash(DashInfo* info) const; | 132 virtual DashType asADash(DashInfo* info) const; |
133 | 133 |
| 134 SK_TO_STRING_PUREVIRT() |
134 SK_DEFINE_FLATTENABLE_TYPE(SkPathEffect) | 135 SK_DEFINE_FLATTENABLE_TYPE(SkPathEffect) |
135 | 136 |
136 protected: | 137 protected: |
137 SkPathEffect() {} | 138 SkPathEffect() {} |
138 | 139 |
139 private: | 140 private: |
140 // illegal | 141 // illegal |
141 SkPathEffect(const SkPathEffect&); | 142 SkPathEffect(const SkPathEffect&); |
142 SkPathEffect& operator=(const SkPathEffect&); | 143 SkPathEffect& operator=(const SkPathEffect&); |
143 | 144 |
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155 virtual ~SkPairPathEffect(); | 156 virtual ~SkPairPathEffect(); |
156 | 157 |
157 protected: | 158 protected: |
158 SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1); | 159 SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1); |
159 | 160 |
160 void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 161 void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
161 | 162 |
162 // these are visible to our subclasses | 163 // these are visible to our subclasses |
163 SkPathEffect* fPE0, *fPE1; | 164 SkPathEffect* fPE0, *fPE1; |
164 | 165 |
| 166 SK_TO_STRING_OVERRIDE() |
| 167 |
165 private: | 168 private: |
166 typedef SkPathEffect INHERITED; | 169 typedef SkPathEffect INHERITED; |
167 }; | 170 }; |
168 | 171 |
169 /** \class SkComposePathEffect | 172 /** \class SkComposePathEffect |
170 | 173 |
171 This subclass of SkPathEffect composes its two arguments, to create | 174 This subclass of SkPathEffect composes its two arguments, to create |
172 a compound pathEffect. | 175 a compound pathEffect. |
173 */ | 176 */ |
174 class SkComposePathEffect : public SkPairPathEffect { | 177 class SkComposePathEffect : public SkPairPathEffect { |
175 public: | 178 public: |
176 /** Construct a pathEffect whose effect is to apply first the inner pathEffe
ct | 179 /** Construct a pathEffect whose effect is to apply first the inner pathEffe
ct |
177 and the the outer pathEffect (e.g. outer(inner(path))) | 180 and the the outer pathEffect (e.g. outer(inner(path))) |
178 The reference counts for outer and inner are both incremented in the con
structor, | 181 The reference counts for outer and inner are both incremented in the con
structor, |
179 and decremented in the destructor. | 182 and decremented in the destructor. |
180 */ | 183 */ |
181 static SkComposePathEffect* Create(SkPathEffect* outer, SkPathEffect* inner)
{ | 184 static SkComposePathEffect* Create(SkPathEffect* outer, SkPathEffect* inner)
{ |
182 return SkNEW_ARGS(SkComposePathEffect, (outer, inner)); | 185 return SkNEW_ARGS(SkComposePathEffect, (outer, inner)); |
183 } | 186 } |
184 | 187 |
185 virtual bool filterPath(SkPath* dst, const SkPath& src, | 188 virtual bool filterPath(SkPath* dst, const SkPath& src, |
186 SkStrokeRec*, const SkRect*) const SK_OVERRIDE; | 189 SkStrokeRec*, const SkRect*) const SK_OVERRIDE; |
187 | 190 |
| 191 SK_TO_STRING_OVERRIDE() |
188 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposePathEffect) | 192 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposePathEffect) |
189 | 193 |
190 protected: | 194 protected: |
191 SkComposePathEffect(SkPathEffect* outer, SkPathEffect* inner) | 195 SkComposePathEffect(SkPathEffect* outer, SkPathEffect* inner) : INHERITED(ou
ter, inner) {} |
192 : INHERITED(outer, inner) {} | |
193 | 196 |
194 private: | 197 private: |
195 // illegal | 198 // illegal |
196 SkComposePathEffect(const SkComposePathEffect&); | 199 SkComposePathEffect(const SkComposePathEffect&); |
197 SkComposePathEffect& operator=(const SkComposePathEffect&); | 200 SkComposePathEffect& operator=(const SkComposePathEffect&); |
198 | 201 |
199 typedef SkPairPathEffect INHERITED; | 202 typedef SkPairPathEffect INHERITED; |
200 }; | 203 }; |
201 | 204 |
202 /** \class SkSumPathEffect | 205 /** \class SkSumPathEffect |
203 | 206 |
204 This subclass of SkPathEffect applies two pathEffects, one after the other. | 207 This subclass of SkPathEffect applies two pathEffects, one after the other. |
205 Its filterPath() returns true if either of the effects succeeded. | 208 Its filterPath() returns true if either of the effects succeeded. |
206 */ | 209 */ |
207 class SkSumPathEffect : public SkPairPathEffect { | 210 class SkSumPathEffect : public SkPairPathEffect { |
208 public: | 211 public: |
209 /** Construct a pathEffect whose effect is to apply two effects, in sequence
. | 212 /** Construct a pathEffect whose effect is to apply two effects, in sequence
. |
210 (e.g. first(path) + second(path)) | 213 (e.g. first(path) + second(path)) |
211 The reference counts for first and second are both incremented in the co
nstructor, | 214 The reference counts for first and second are both incremented in the co
nstructor, |
212 and decremented in the destructor. | 215 and decremented in the destructor. |
213 */ | 216 */ |
214 static SkSumPathEffect* Create(SkPathEffect* first, SkPathEffect* second) { | 217 static SkSumPathEffect* Create(SkPathEffect* first, SkPathEffect* second) { |
215 return SkNEW_ARGS(SkSumPathEffect, (first, second)); | 218 return SkNEW_ARGS(SkSumPathEffect, (first, second)); |
216 } | 219 } |
217 | 220 |
218 virtual bool filterPath(SkPath* dst, const SkPath& src, | 221 virtual bool filterPath(SkPath* dst, const SkPath& src, |
219 SkStrokeRec*, const SkRect*) const SK_OVERRIDE; | 222 SkStrokeRec*, const SkRect*) const SK_OVERRIDE; |
220 | 223 |
| 224 SK_TO_STRING_OVERRIDE() |
221 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSumPathEffect) | 225 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSumPathEffect) |
222 | 226 |
223 protected: | 227 protected: |
224 SkSumPathEffect(SkPathEffect* first, SkPathEffect* second) | 228 SkSumPathEffect(SkPathEffect* first, SkPathEffect* second) : INHERITED(first
, second) {} |
225 : INHERITED(first, second) {} | |
226 | 229 |
227 private: | 230 private: |
228 // illegal | 231 // illegal |
229 SkSumPathEffect(const SkSumPathEffect&); | 232 SkSumPathEffect(const SkSumPathEffect&); |
230 SkSumPathEffect& operator=(const SkSumPathEffect&); | 233 SkSumPathEffect& operator=(const SkSumPathEffect&); |
231 | 234 |
232 typedef SkPairPathEffect INHERITED; | 235 typedef SkPairPathEffect INHERITED; |
233 }; | 236 }; |
234 | 237 |
235 #endif | 238 #endif |
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