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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 #include "SkScan.h" | 8 #include "SkScan.h" |
9 #include "SkBlitter.h" | 9 #include "SkBlitter.h" |
10 #include "SkRasterClip.h" | 10 #include "SkRasterClip.h" |
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226 | 226 |
227 SkPoint tmp[(1 << kMaxQuadSubdivideLevel) + 1]; | 227 SkPoint tmp[(1 << kMaxQuadSubdivideLevel) + 1]; |
228 SkASSERT((unsigned)lines < SK_ARRAY_COUNT(tmp)); | 228 SkASSERT((unsigned)lines < SK_ARRAY_COUNT(tmp)); |
229 | 229 |
230 tmp[0] = pts[0]; | 230 tmp[0] = pts[0]; |
231 Sk2s A = coeff.fA; | 231 Sk2s A = coeff.fA; |
232 Sk2s B = coeff.fB; | 232 Sk2s B = coeff.fB; |
233 Sk2s C = coeff.fC; | 233 Sk2s C = coeff.fC; |
234 for (int i = 1; i < lines; ++i) { | 234 for (int i = 1; i < lines; ++i) { |
235 t = t + dt; | 235 t = t + dt; |
236 ((A * t + B) * t + C).store(&tmp[i].fX); | 236 ((A * t + B) * t + C).store(&tmp[i]); |
237 } | 237 } |
238 tmp[lines] = pts[2]; | 238 tmp[lines] = pts[2]; |
239 lineproc(tmp, lines + 1, clip, blitter); | 239 lineproc(tmp, lines + 1, clip, blitter); |
240 } | 240 } |
241 | 241 |
242 static inline Sk2s abs(const Sk2s& value) { | 242 static inline Sk2s abs(const Sk2s& value) { |
243 return Sk2s::Max(value, Sk2s(0)-value); | 243 return Sk2s::Max(value, Sk2s(0)-value); |
244 } | 244 } |
245 | 245 |
246 static inline SkScalar max_component(const Sk2s& value) { | 246 static inline SkScalar max_component(const Sk2s& value) { |
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303 SkPoint tmp[(1 << kMaxCubicSubdivideLevel) + 1]; | 303 SkPoint tmp[(1 << kMaxCubicSubdivideLevel) + 1]; |
304 SkASSERT((unsigned)lines < SK_ARRAY_COUNT(tmp)); | 304 SkASSERT((unsigned)lines < SK_ARRAY_COUNT(tmp)); |
305 | 305 |
306 tmp[0] = pts[0]; | 306 tmp[0] = pts[0]; |
307 Sk2s A = coeff.fA; | 307 Sk2s A = coeff.fA; |
308 Sk2s B = coeff.fB; | 308 Sk2s B = coeff.fB; |
309 Sk2s C = coeff.fC; | 309 Sk2s C = coeff.fC; |
310 Sk2s D = coeff.fD; | 310 Sk2s D = coeff.fD; |
311 for (int i = 1; i < lines; ++i) { | 311 for (int i = 1; i < lines; ++i) { |
312 t = t + dt; | 312 t = t + dt; |
313 (((A * t + B) * t + C) * t + D).store(&tmp[i].fX); | 313 (((A * t + B) * t + C) * t + D).store(&tmp[i]); |
314 } | 314 } |
315 tmp[lines] = pts[3]; | 315 tmp[lines] = pts[3]; |
316 lineproc(tmp, lines + 1, clip, blitter); | 316 lineproc(tmp, lines + 1, clip, blitter); |
317 } | 317 } |
318 | 318 |
319 static SkRect compute_nocheck_cubic_bounds(const SkPoint pts[4]) { | 319 static SkRect compute_nocheck_cubic_bounds(const SkPoint pts[4]) { |
320 SkASSERT(SkScalarsAreFinite(&pts[0].fX, 8)); | 320 SkASSERT(SkScalarsAreFinite(&pts[0].fX, 8)); |
321 | 321 |
322 Sk2s min = Sk2s::Load(&pts[0].fX); | 322 Sk2s min = Sk2s::Load(pts); |
323 Sk2s max = min; | 323 Sk2s max = min; |
324 for (int i = 1; i < 4; ++i) { | 324 for (int i = 1; i < 4; ++i) { |
325 Sk2s pair = Sk2s::Load(&pts[i].fX); | 325 Sk2s pair = Sk2s::Load(pts+i); |
326 min = Sk2s::Min(min, pair); | 326 min = Sk2s::Min(min, pair); |
327 max = Sk2s::Max(max, pair); | 327 max = Sk2s::Max(max, pair); |
328 } | 328 } |
329 return { min.kth<0>(), min.kth<1>(), max.kth<0>(), max.kth<1>() }; | 329 return { min.kth<0>(), min.kth<1>(), max.kth<0>(), max.kth<1>() }; |
330 } | 330 } |
331 | 331 |
332 static bool is_inverted(const SkRect& r) { | 332 static bool is_inverted(const SkRect& r) { |
333 return r.fLeft > r.fRight || r.fTop > r.fBottom; | 333 return r.fLeft > r.fRight || r.fTop > r.fBottom; |
334 } | 334 } |
335 | 335 |
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679 | 679 |
680 SkAAClipBlitterWrapper wrap; | 680 SkAAClipBlitterWrapper wrap; |
681 if (!clip.quickContains(r.roundOut().makeOutset(1, 1))) { | 681 if (!clip.quickContains(r.roundOut().makeOutset(1, 1))) { |
682 wrap.init(clip, blitter); | 682 wrap.init(clip, blitter); |
683 blitter = wrap.getBlitter(); | 683 blitter = wrap.getBlitter(); |
684 clipRgn = &wrap.getRgn(); | 684 clipRgn = &wrap.getRgn(); |
685 } | 685 } |
686 AntiHairLineRgn(pts, count, clipRgn, blitter); | 686 AntiHairLineRgn(pts, count, clipRgn, blitter); |
687 } | 687 } |
688 } | 688 } |
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