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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 |
11 #define SkMatrix_DEFINED | 11 #define SkMatrix_DEFINED |
12 | 12 |
13 #include "SkDynamicAnnotations.h" | |
14 #include "SkRect.h" | 13 #include "SkRect.h" |
15 | 14 |
16 class SkString; | 15 class SkString; |
17 | 16 |
18 // TODO: can we remove these 3 (need to check chrome/android) | 17 // TODO: can we remove these 3 (need to check chrome/android) |
19 typedef SkScalar SkPersp; | 18 typedef SkScalar SkPersp; |
20 #define SkScalarToPersp(x) (x) | 19 #define SkScalarToPersp(x) (x) |
21 #define SkPerspToScalar(x) (x) | 20 #define SkPerspToScalar(x) (x) |
22 | 21 |
23 /** \class SkMatrix | 22 /** \class SkMatrix |
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641 kPerspective_Mask, | 640 kPerspective_Mask, |
642 | 641 |
643 kAllMasks = kTranslate_Mask | | 642 kAllMasks = kTranslate_Mask | |
644 kScale_Mask | | 643 kScale_Mask | |
645 kAffine_Mask | | 644 kAffine_Mask | |
646 kPerspective_Mask | | 645 kPerspective_Mask | |
647 kRectStaysRect_Mask | 646 kRectStaysRect_Mask |
648 }; | 647 }; |
649 | 648 |
650 SkScalar fMat[9]; | 649 SkScalar fMat[9]; |
651 mutable SkTRacy<uint32_t> fTypeMask; | 650 mutable uint32_t fTypeMask; |
652 | 651 |
653 void setScaleTranslate(SkScalar sx, SkScalar sy, SkScalar tx, SkScalar ty) { | 652 void setScaleTranslate(SkScalar sx, SkScalar sy, SkScalar tx, SkScalar ty) { |
654 fMat[kMScaleX] = sx; | 653 fMat[kMScaleX] = sx; |
655 fMat[kMSkewX] = 0; | 654 fMat[kMSkewX] = 0; |
656 fMat[kMTransX] = tx; | 655 fMat[kMTransX] = tx; |
657 | 656 |
658 fMat[kMSkewY] = 0; | 657 fMat[kMSkewY] = 0; |
659 fMat[kMScaleY] = sy; | 658 fMat[kMScaleY] = sy; |
660 fMat[kMTransY] = ty; | 659 fMat[kMTransY] = ty; |
661 | 660 |
662 fMat[kMPersp0] = 0; | 661 fMat[kMPersp0] = 0; |
663 fMat[kMPersp1] = 0; | 662 fMat[kMPersp1] = 0; |
664 fMat[kMPersp2] = 1; | 663 fMat[kMPersp2] = 1; |
665 | 664 |
666 unsigned mask = 0; | 665 unsigned mask = 0; |
667 if (sx != 1 || sy != 1) { | 666 if (sx != 1 || sy != 1) { |
668 mask |= kScale_Mask; | 667 mask |= kScale_Mask; |
669 } | 668 } |
670 if (tx || ty) { | 669 if (tx || ty) { |
671 mask |= kTranslate_Mask; | 670 mask |= kTranslate_Mask; |
672 } | 671 } |
673 this->setTypeMask(mask | kRectStaysRect_Mask); | 672 this->setTypeMask(mask | kRectStaysRect_Mask); |
674 } | 673 } |
675 | 674 |
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738 static void RotTrans_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], | 737 static void RotTrans_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], |
739 int count); | 738 int count); |
740 static void Persp_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], int); | 739 static void Persp_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], int); |
741 | 740 |
742 static const MapPtsProc gMapPtsProcs[]; | 741 static const MapPtsProc gMapPtsProcs[]; |
743 | 742 |
744 friend class SkPerspIter; | 743 friend class SkPerspIter; |
745 }; | 744 }; |
746 | 745 |
747 #endif | 746 #endif |
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