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Side by Side Diff: src/effects/SkDashPathEffect.cpp

Issue 770703002: Bump min picture version. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: TODO Created 6 years ago
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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 "SkDashPathEffect.h" 8 #include "SkDashPathEffect.h"
9 9
10 #include "SkDashPathPriv.h" 10 #include "SkDashPathPriv.h"
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45 SkScalar radius = SkScalarHalf(rec.getWidth()); 45 SkScalar radius = SkScalarHalf(rec.getWidth());
46 if (0 == radius) { 46 if (0 == radius) {
47 radius = SK_Scalar1; // hairlines 47 radius = SK_Scalar1; // hairlines
48 } 48 }
49 if (SkPaint::kMiter_Join == rec.getJoin()) { 49 if (SkPaint::kMiter_Join == rec.getJoin()) {
50 radius = SkScalarMul(radius, rec.getMiter()); 50 radius = SkScalarMul(radius, rec.getMiter());
51 } 51 }
52 rect->outset(radius, radius); 52 rect->outset(radius, radius);
53 } 53 }
54 54
55 // Attempt to trim the line to minimally cover the cull rect (currently 55 // Attempt to trim the line to minimally cover the cull rect (currently
56 // only works for horizontal and vertical lines). 56 // only works for horizontal and vertical lines).
57 // Return true if processing should continue; false otherwise. 57 // Return true if processing should continue; false otherwise.
58 static bool cull_line(SkPoint* pts, const SkStrokeRec& rec, 58 static bool cull_line(SkPoint* pts, const SkStrokeRec& rec,
59 const SkMatrix& ctm, const SkRect* cullRect, 59 const SkMatrix& ctm, const SkRect* cullRect,
60 const SkScalar intervalLength) { 60 const SkScalar intervalLength) {
61 if (NULL == cullRect) { 61 if (NULL == cullRect) {
62 SkASSERT(false); // Shouldn't ever occur in practice 62 SkASSERT(false); // Shouldn't ever occur in practice
63 return false; 63 return false;
64 } 64 }
65 65
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370 return NULL; 370 return NULL;
371 } 371 }
372 372
373 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING 373 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
374 SkDashPathEffect::SkDashPathEffect(SkReadBuffer& buffer) 374 SkDashPathEffect::SkDashPathEffect(SkReadBuffer& buffer)
375 : INHERITED(buffer) 375 : INHERITED(buffer)
376 , fPhase(0) 376 , fPhase(0)
377 , fInitialDashLength(0) 377 , fInitialDashLength(0)
378 , fInitialDashIndex(0) 378 , fInitialDashIndex(0)
379 , fIntervalLength(0) { 379 , fIntervalLength(0) {
380 bool useOldPic = buffer.isVersionLT(SkReadBuffer::kDashWritesPhaseIntervals_ Version); 380 fPhase = buffer.readScalar();
381 if (useOldPic) {
382 fInitialDashIndex = buffer.readInt();
383 fInitialDashLength = buffer.readScalar();
384 fIntervalLength = buffer.readScalar();
385 buffer.readBool(); // Dummy for old ScalarToFit field
386 } else {
387 fPhase = buffer.readScalar();
388 }
389
390 fCount = buffer.getArrayCount(); 381 fCount = buffer.getArrayCount();
391 size_t allocSize = sizeof(SkScalar) * fCount; 382 size_t allocSize = sizeof(SkScalar) * fCount;
392 if (buffer.validateAvailable(allocSize)) { 383 if (buffer.validateAvailable(allocSize)) {
393 fIntervals = (SkScalar*)sk_malloc_throw(allocSize); 384 fIntervals = (SkScalar*)sk_malloc_throw(allocSize);
394 buffer.readScalarArray(fIntervals, fCount); 385 buffer.readScalarArray(fIntervals, fCount);
395 } else { 386 } else {
396 fIntervals = NULL; 387 fIntervals = NULL;
397 } 388 }
398 389
399 if (useOldPic) { 390 // set the internal data members, fPhase should have been between 0 and inte rvalLength
400 fPhase = 0; 391 // when written to buffer so no need to adjust it
401 if (fInitialDashLength != -1) { // Signal for bad dash interval 392 SkDashPath::CalcDashParameters(fPhase, fIntervals, fCount,
402 for (int i = 0; i < fInitialDashIndex; ++i) { 393 &fInitialDashLength, &fInitialDashIndex, &fIn tervalLength);
403 fPhase += fIntervals[i];
404 }
405 fPhase += fIntervals[fInitialDashIndex] - fInitialDashLength;
406 }
407 } else {
408 // set the internal data members, fPhase should have been between 0 and intervalLength
409 // when written to buffer so no need to adjust it
410 SkDashPath::CalcDashParameters(fPhase, fIntervals, fCount,
411 &fInitialDashLength, &fInitialDashIndex, &fIntervalLength);
412 }
413 } 394 }
414 #endif 395 #endif
415 396
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