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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 SkMatrix_DEFINED | 10 #ifndef SkMatrix_DEFINED |
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553 friend bool operator!=(const SkMatrix& a, const SkMatrix& b) { | 553 friend bool operator!=(const SkMatrix& a, const SkMatrix& b) { |
554 return !(a == b); | 554 return !(a == b); |
555 } | 555 } |
556 | 556 |
557 enum { | 557 enum { |
558 // writeTo/readFromMemory will never return a value larger than this | 558 // writeTo/readFromMemory will never return a value larger than this |
559 kMaxFlattenSize = 9 * sizeof(SkScalar) + sizeof(uint32_t) | 559 kMaxFlattenSize = 9 * sizeof(SkScalar) + sizeof(uint32_t) |
560 }; | 560 }; |
561 // return the number of bytes written, whether or not buffer is null | 561 // return the number of bytes written, whether or not buffer is null |
562 uint32_t writeToMemory(void* buffer) const; | 562 uint32_t writeToMemory(void* buffer) const; |
563 // return the number of bytes read | 563 /** |
564 uint32_t readFromMemory(const void* buffer); | 564 * Reads data from the buffer parameter |
565 * | |
566 * @param buffer Memory to read from | |
567 * @param length Amount of memory available in the buffer | |
568 * @return number of bytes read or 0 if there was not enough memory availabl e | |
569 */ | |
570 uint32_t readFromMemory(const void* buffer, uint32_t length); | |
reed1
2013/10/29 19:42:58
size_t ?
sugoi1
2013/10/29 20:16:47
I assume this comment applies to all readFromMemor
| |
565 | 571 |
566 SkDEVCODE(void dump() const;) | 572 SkDEVCODE(void dump() const;) |
567 SkDEVCODE(void toString(SkString*) const;) | 573 SkDEVCODE(void toString(SkString*) const;) |
568 | 574 |
569 /** | 575 /** |
570 * Calculates the maximum stretching factor of the matrix. If the matrix has | 576 * Calculates the maximum stretching factor of the matrix. If the matrix has |
571 * perspective -1 is returned. | 577 * perspective -1 is returned. |
572 * | 578 * |
573 * @return maximum strecthing factor | 579 * @return maximum strecthing factor |
574 */ | 580 */ |
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690 static void RotTrans_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], | 696 static void RotTrans_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], |
691 int count); | 697 int count); |
692 static void Persp_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], int); | 698 static void Persp_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], int); |
693 | 699 |
694 static const MapPtsProc gMapPtsProcs[]; | 700 static const MapPtsProc gMapPtsProcs[]; |
695 | 701 |
696 friend class SkPerspIter; | 702 friend class SkPerspIter; |
697 }; | 703 }; |
698 | 704 |
699 #endif | 705 #endif |
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