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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
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 SkBitmapProcState_MatrixTemplates_DEFINED | 8 #ifndef SkBitmapProcState_MatrixTemplates_DEFINED |
9 #define SkBitmapProcState_MatrixTemplates_DEFINED | 9 #define SkBitmapProcState_MatrixTemplates_DEFINED |
10 | 10 |
11 #include "SkMath.h" | 11 #include "SkMath.h" |
12 #include "SkMathPriv.h" | 12 #include "SkMathPriv.h" |
13 | 13 |
14 template <typename TileProc, bool tryDecal> | 14 template <typename TileProc, bool tryDecal> |
15 void NoFilterProc_Scale(const SkBitmapProcState& s, uint32_t xy[], | 15 void NoFilterProc_Scale(const SkBitmapProcState& s, uint32_t xy[], |
16 int count, int x, int y) { | 16 int count, int x, int y) { |
17 SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | | 17 SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | |
18 SkMatrix::kScale_Mask)) == 0); | 18 SkMatrix::kScale_Mask)) == 0); |
19 | 19 |
20 // we store y, x, x, x, x, x | 20 // we store y, x, x, x, x, x |
21 | 21 |
22 const unsigned maxX = s.fPixmap.width() - 1; | 22 const unsigned maxX = s.fPixmap.width() - 1; |
23 SkFractionalInt fx; | 23 SkFractionalInt fx; |
24 { | 24 { |
25 const SkBitmapProcStateAutoMapper mapper(s, x ,y); | 25 SkPoint pt; |
| 26 s.fInvProc(s.fInvMatrix, SkIntToScalar(x) + SK_ScalarHalf, |
| 27 SkIntToScalar(y) + SK_ScalarHalf, &pt); |
| 28 fx = SkScalarToFractionalInt(pt.fY); |
26 const unsigned maxY = s.fPixmap.height() - 1; | 29 const unsigned maxY = s.fPixmap.height() - 1; |
27 *xy++ = TileProc::Y(s, mapper.y(), maxY); | 30 *xy++ = TileProc::Y(s, SkFractionalIntToFixed(fx), maxY); |
28 fx = SkFixedToFractionalInt(mapper.x()); | 31 fx = SkScalarToFractionalInt(pt.fX); |
29 } | 32 } |
30 | 33 |
31 if (0 == maxX) { | 34 if (0 == maxX) { |
32 // all of the following X values must be 0 | 35 // all of the following X values must be 0 |
33 memset(xy, 0, count * sizeof(uint16_t)); | 36 memset(xy, 0, count * sizeof(uint16_t)); |
34 return; | 37 return; |
35 } | 38 } |
36 | 39 |
37 const SkFractionalInt dx = s.fInvSxFractionalInt; | 40 const SkFractionalInt dx = s.fInvSxFractionalInt; |
38 | 41 |
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
70 // SCALE's inner loop that only looks at dx | 73 // SCALE's inner loop that only looks at dx |
71 | 74 |
72 template <typename TileProc> | 75 template <typename TileProc> |
73 void NoFilterProc_Affine(const SkBitmapProcState& s, uint32_t xy[], | 76 void NoFilterProc_Affine(const SkBitmapProcState& s, uint32_t xy[], |
74 int count, int x, int y) { | 77 int count, int x, int y) { |
75 SkASSERT(s.fInvType & SkMatrix::kAffine_Mask); | 78 SkASSERT(s.fInvType & SkMatrix::kAffine_Mask); |
76 SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | | 79 SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | |
77 SkMatrix::kScale_Mask | | 80 SkMatrix::kScale_Mask | |
78 SkMatrix::kAffine_Mask)) == 0); | 81 SkMatrix::kAffine_Mask)) == 0); |
79 | 82 |
80 const SkBitmapProcStateAutoMapper mapper(s, x ,y); | 83 SkPoint srcPt; |
81 SkFractionalInt fx = SkFixedToFractionalInt(mapper.x()); | 84 s.fInvProc(s.fInvMatrix, |
82 SkFractionalInt fy = SkFixedToFractionalInt(mapper.y()); | 85 SkIntToScalar(x) + SK_ScalarHalf, |
| 86 SkIntToScalar(y) + SK_ScalarHalf, &srcPt); |
| 87 |
| 88 SkFractionalInt fx = SkScalarToFractionalInt(srcPt.fX); |
| 89 SkFractionalInt fy = SkScalarToFractionalInt(srcPt.fY); |
83 SkFractionalInt dx = s.fInvSxFractionalInt; | 90 SkFractionalInt dx = s.fInvSxFractionalInt; |
84 SkFractionalInt dy = s.fInvKyFractionalInt; | 91 SkFractionalInt dy = s.fInvKyFractionalInt; |
85 int maxX = s.fPixmap.width() - 1; | 92 int maxX = s.fPixmap.width() - 1; |
86 int maxY = s.fPixmap.height() - 1; | 93 int maxY = s.fPixmap.height() - 1; |
87 | 94 |
88 for (int i = count; i > 0; --i) { | 95 for (int i = count; i > 0; --i) { |
89 *xy++ = (TileProc::Y(s, SkFractionalIntToFixed(fy), maxY) << 16) | | 96 *xy++ = (TileProc::Y(s, SkFractionalIntToFixed(fy), maxY) << 16) | |
90 TileProc::X(s, SkFractionalIntToFixed(fx), maxX); | 97 TileProc::X(s, SkFractionalIntToFixed(fx), maxX); |
91 fx += dx; fy += dy; | 98 fx += dx; fy += dy; |
92 } | 99 } |
93 } | 100 } |
94 | 101 |
95 template <typename TileProc> | 102 template <typename TileProc> |
96 void NoFilterProc_Persp(const SkBitmapProcState& s, uint32_t* SK_RESTRICT xy, | 103 void NoFilterProc_Persp(const SkBitmapProcState& s, uint32_t* SK_RESTRICT xy, |
97 int count, int x, int y) { | 104 int count, int x, int y) { |
98 SkASSERT(s.fInvType & SkMatrix::kPerspective_Mask); | 105 SkASSERT(s.fInvType & SkMatrix::kPerspective_Mask); |
99 | 106 |
100 int maxX = s.fPixmap.width() - 1; | 107 int maxX = s.fPixmap.width() - 1; |
101 int maxY = s.fPixmap.height() - 1; | 108 int maxY = s.fPixmap.height() - 1; |
102 | 109 |
103 // TODO: inv bias support | |
104 SkPerspIter iter(s.fInvMatrix, | 110 SkPerspIter iter(s.fInvMatrix, |
105 SkIntToScalar(x) + SK_ScalarHalf, | 111 SkIntToScalar(x) + SK_ScalarHalf, |
106 SkIntToScalar(y) + SK_ScalarHalf, count); | 112 SkIntToScalar(y) + SK_ScalarHalf, count); |
107 | 113 |
108 while ((count = iter.next()) != 0) { | 114 while ((count = iter.next()) != 0) { |
109 const SkFixed* SK_RESTRICT srcXY = iter.getXY(); | 115 const SkFixed* SK_RESTRICT srcXY = iter.getXY(); |
110 while (--count >= 0) { | 116 while (--count >= 0) { |
111 *xy++ = (TileProc::Y(s, srcXY[1], maxY) << 16) | | 117 *xy++ = (TileProc::Y(s, srcXY[1], maxY) << 16) | |
112 TileProc::X(s, srcXY[0], maxX); | 118 TileProc::X(s, srcXY[0], maxX); |
113 srcXY += 2; | 119 srcXY += 2; |
114 } | 120 } |
115 } | 121 } |
116 } | 122 } |
117 | 123 |
118 #endif | 124 #endif |
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