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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
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 SkScalerContext_DEFINED | 8 #ifndef SkScalerContext_DEFINED |
9 #define SkScalerContext_DEFINED | 9 #define SkScalerContext_DEFINED |
10 | 10 |
11 #include "SkMask.h" | 11 #include "SkMask.h" |
12 #include "SkMaskGamma.h" | 12 #include "SkMaskGamma.h" |
13 #include "SkMatrix.h" | 13 #include "SkMatrix.h" |
14 #include "SkPaint.h" | 14 #include "SkPaint.h" |
15 #include "SkTypeface.h" | 15 #include "SkTypeface.h" |
16 | 16 |
| 17 #ifdef SK_BUILD_FOR_ANDROID |
| 18 #include "SkPaintOptionsAndroid.h" |
| 19 #endif |
| 20 |
17 struct SkGlyph; | 21 struct SkGlyph; |
18 class SkDescriptor; | 22 class SkDescriptor; |
19 class SkMaskFilter; | 23 class SkMaskFilter; |
20 class SkPathEffect; | 24 class SkPathEffect; |
21 class SkRasterizer; | 25 class SkRasterizer; |
22 | 26 |
23 /* | 27 /* |
24 * To allow this to be forward-declared, it must be its own typename, rather | 28 * To allow this to be forward-declared, it must be its own typename, rather |
25 * than a nested struct inside SkScalerContext (where it started). | 29 * than a nested struct inside SkScalerContext (where it started). |
26 */ | 30 */ |
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251 * The default implementation always returns 0, indicating failure. | 255 * The default implementation always returns 0, indicating failure. |
252 */ | 256 */ |
253 virtual SkUnichar generateGlyphToChar(uint16_t glyphId); | 257 virtual SkUnichar generateGlyphToChar(uint16_t glyphId); |
254 | 258 |
255 void forceGenerateImageFromPath() { fGenerateImageFromPath = true; } | 259 void forceGenerateImageFromPath() { fGenerateImageFromPath = true; } |
256 | 260 |
257 private: | 261 private: |
258 // never null | 262 // never null |
259 SkAutoTUnref<SkTypeface> fTypeface; | 263 SkAutoTUnref<SkTypeface> fTypeface; |
260 | 264 |
| 265 #ifdef SK_BUILD_FOR_ANDROID |
| 266 SkPaintOptionsAndroid fPaintOptionsAndroid; |
| 267 #endif |
| 268 |
261 // optional object, which may be null | 269 // optional object, which may be null |
262 SkPathEffect* fPathEffect; | 270 SkPathEffect* fPathEffect; |
263 SkMaskFilter* fMaskFilter; | 271 SkMaskFilter* fMaskFilter; |
264 SkRasterizer* fRasterizer; | 272 SkRasterizer* fRasterizer; |
265 | 273 |
266 // if this is set, we draw the image from a path, rather than | 274 // if this is set, we draw the image from a path, rather than |
267 // calling generateImage. | 275 // calling generateImage. |
268 bool fGenerateImageFromPath; | 276 bool fGenerateImageFromPath; |
269 | 277 |
270 void internalGetPath(const SkGlyph& glyph, SkPath* fillPath, | 278 void internalGetPath(const SkGlyph& glyph, SkPath* fillPath, |
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282 private: | 290 private: |
283 // When there is a filter, previous steps must create a linear mask | 291 // When there is a filter, previous steps must create a linear mask |
284 // and the pre-blend applied as a final step. | 292 // and the pre-blend applied as a final step. |
285 const SkMaskGamma::PreBlend fPreBlendForFilter; | 293 const SkMaskGamma::PreBlend fPreBlendForFilter; |
286 }; | 294 }; |
287 | 295 |
288 #define kRec_SkDescriptorTag SkSetFourByteTag('s', 'r', 'e', 'c') | 296 #define kRec_SkDescriptorTag SkSetFourByteTag('s', 'r', 'e', 'c') |
289 #define kPathEffect_SkDescriptorTag SkSetFourByteTag('p', 't', 'h', 'e') | 297 #define kPathEffect_SkDescriptorTag SkSetFourByteTag('p', 't', 'h', 'e') |
290 #define kMaskFilter_SkDescriptorTag SkSetFourByteTag('m', 's', 'k', 'f') | 298 #define kMaskFilter_SkDescriptorTag SkSetFourByteTag('m', 's', 'k', 'f') |
291 #define kRasterizer_SkDescriptorTag SkSetFourByteTag('r', 'a', 's', 't') | 299 #define kRasterizer_SkDescriptorTag SkSetFourByteTag('r', 'a', 's', 't') |
| 300 #ifdef SK_BUILD_FOR_ANDROID |
| 301 #define kAndroidOpts_SkDescriptorTag SkSetFourByteTag('a', 'n', 'd', 'r') |
| 302 #endif |
292 | 303 |
293 /////////////////////////////////////////////////////////////////////////////// | 304 /////////////////////////////////////////////////////////////////////////////// |
294 | 305 |
295 enum SkAxisAlignment { | 306 enum SkAxisAlignment { |
296 kNone_SkAxisAlignment, | 307 kNone_SkAxisAlignment, |
297 kX_SkAxisAlignment, | 308 kX_SkAxisAlignment, |
298 kY_SkAxisAlignment | 309 kY_SkAxisAlignment |
299 }; | 310 }; |
300 | 311 |
301 /** | 312 /** |
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314 return static_cast<SkPaint::Hinting>(hint); | 325 return static_cast<SkPaint::Hinting>(hint); |
315 } | 326 } |
316 | 327 |
317 void SkScalerContextRec::setHinting(SkPaint::Hinting hinting) { | 328 void SkScalerContextRec::setHinting(SkPaint::Hinting hinting) { |
318 fFlags = (fFlags & ~SkScalerContext::kHinting_Mask) | | 329 fFlags = (fFlags & ~SkScalerContext::kHinting_Mask) | |
319 (hinting << SkScalerContext::kHinting_Shift); | 330 (hinting << SkScalerContext::kHinting_Shift); |
320 } | 331 } |
321 | 332 |
322 | 333 |
323 #endif | 334 #endif |
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