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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.fBitmap->width() - 1; | 22 const unsigned maxX = s.fPixmap.width() - 1; |
23 SkFractionalInt fx; | 23 SkFractionalInt fx; |
24 { | 24 { |
25 SkPoint pt; | 25 SkPoint pt; |
26 s.fInvProc(s.fInvMatrix, SkIntToScalar(x) + SK_ScalarHalf, | 26 s.fInvProc(s.fInvMatrix, SkIntToScalar(x) + SK_ScalarHalf, |
27 SkIntToScalar(y) + SK_ScalarHalf, &pt); | 27 SkIntToScalar(y) + SK_ScalarHalf, &pt); |
28 fx = SkScalarToFractionalInt(pt.fY); | 28 fx = SkScalarToFractionalInt(pt.fY); |
29 const unsigned maxY = s.fBitmap->height() - 1; | 29 const unsigned maxY = s.fPixmap.height() - 1; |
30 *xy++ = TileProc::Y(s, SkFractionalIntToFixed(fx), maxY); | 30 *xy++ = TileProc::Y(s, SkFractionalIntToFixed(fx), maxY); |
31 fx = SkScalarToFractionalInt(pt.fX); | 31 fx = SkScalarToFractionalInt(pt.fX); |
32 } | 32 } |
33 | 33 |
34 if (0 == maxX) { | 34 if (0 == maxX) { |
35 // all of the following X values must be 0 | 35 // all of the following X values must be 0 |
36 memset(xy, 0, count * sizeof(uint16_t)); | 36 memset(xy, 0, count * sizeof(uint16_t)); |
37 return; | 37 return; |
38 } | 38 } |
39 | 39 |
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82 | 82 |
83 SkPoint srcPt; | 83 SkPoint srcPt; |
84 s.fInvProc(s.fInvMatrix, | 84 s.fInvProc(s.fInvMatrix, |
85 SkIntToScalar(x) + SK_ScalarHalf, | 85 SkIntToScalar(x) + SK_ScalarHalf, |
86 SkIntToScalar(y) + SK_ScalarHalf, &srcPt); | 86 SkIntToScalar(y) + SK_ScalarHalf, &srcPt); |
87 | 87 |
88 SkFractionalInt fx = SkScalarToFractionalInt(srcPt.fX); | 88 SkFractionalInt fx = SkScalarToFractionalInt(srcPt.fX); |
89 SkFractionalInt fy = SkScalarToFractionalInt(srcPt.fY); | 89 SkFractionalInt fy = SkScalarToFractionalInt(srcPt.fY); |
90 SkFractionalInt dx = s.fInvSxFractionalInt; | 90 SkFractionalInt dx = s.fInvSxFractionalInt; |
91 SkFractionalInt dy = s.fInvKyFractionalInt; | 91 SkFractionalInt dy = s.fInvKyFractionalInt; |
92 int maxX = s.fBitmap->width() - 1; | 92 int maxX = s.fPixmap.width() - 1; |
93 int maxY = s.fBitmap->height() - 1; | 93 int maxY = s.fPixmap.height() - 1; |
94 | 94 |
95 for (int i = count; i > 0; --i) { | 95 for (int i = count; i > 0; --i) { |
96 *xy++ = (TileProc::Y(s, SkFractionalIntToFixed(fy), maxY) << 16) | | 96 *xy++ = (TileProc::Y(s, SkFractionalIntToFixed(fy), maxY) << 16) | |
97 TileProc::X(s, SkFractionalIntToFixed(fx), maxX); | 97 TileProc::X(s, SkFractionalIntToFixed(fx), maxX); |
98 fx += dx; fy += dy; | 98 fx += dx; fy += dy; |
99 } | 99 } |
100 } | 100 } |
101 | 101 |
102 template <typename TileProc> | 102 template <typename TileProc> |
103 void NoFilterProc_Persp(const SkBitmapProcState& s, uint32_t* SK_RESTRICT xy, | 103 void NoFilterProc_Persp(const SkBitmapProcState& s, uint32_t* SK_RESTRICT xy, |
104 int count, int x, int y) { | 104 int count, int x, int y) { |
105 SkASSERT(s.fInvType & SkMatrix::kPerspective_Mask); | 105 SkASSERT(s.fInvType & SkMatrix::kPerspective_Mask); |
106 | 106 |
107 int maxX = s.fBitmap->width() - 1; | 107 int maxX = s.fPixmap.width() - 1; |
108 int maxY = s.fBitmap->height() - 1; | 108 int maxY = s.fPixmap.height() - 1; |
109 | 109 |
110 SkPerspIter iter(s.fInvMatrix, | 110 SkPerspIter iter(s.fInvMatrix, |
111 SkIntToScalar(x) + SK_ScalarHalf, | 111 SkIntToScalar(x) + SK_ScalarHalf, |
112 SkIntToScalar(y) + SK_ScalarHalf, count); | 112 SkIntToScalar(y) + SK_ScalarHalf, count); |
113 | 113 |
114 while ((count = iter.next()) != 0) { | 114 while ((count = iter.next()) != 0) { |
115 const SkFixed* SK_RESTRICT srcXY = iter.getXY(); | 115 const SkFixed* SK_RESTRICT srcXY = iter.getXY(); |
116 while (--count >= 0) { | 116 while (--count >= 0) { |
117 *xy++ = (TileProc::Y(s, srcXY[1], maxY) << 16) | | 117 *xy++ = (TileProc::Y(s, srcXY[1], maxY) << 16) | |
118 TileProc::X(s, srcXY[0], maxX); | 118 TileProc::X(s, srcXY[0], maxX); |
119 srcXY += 2; | 119 srcXY += 2; |
120 } | 120 } |
121 } | 121 } |
122 } | 122 } |
123 | 123 |
124 #endif | 124 #endif |
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