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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
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 #include "SkTableMaskFilter.h" | 10 #include "SkTableMaskFilter.h" |
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75 } | 75 } |
76 | 76 |
77 SkFlattenable* SkTableMaskFilter::CreateProc(SkReadBuffer& buffer) { | 77 SkFlattenable* SkTableMaskFilter::CreateProc(SkReadBuffer& buffer) { |
78 uint8_t table[256]; | 78 uint8_t table[256]; |
79 if (!buffer.readByteArray(table, 256)) { | 79 if (!buffer.readByteArray(table, 256)) { |
80 return NULL; | 80 return NULL; |
81 } | 81 } |
82 return Create(table); | 82 return Create(table); |
83 } | 83 } |
84 | 84 |
| 85 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
| 86 SkTableMaskFilter::SkTableMaskFilter(SkReadBuffer& rb) : INHERITED(rb) { |
| 87 SkASSERT(256 == rb.getArrayCount()); |
| 88 rb.readByteArray(fTable, 256); |
| 89 } |
| 90 #endif |
| 91 |
85 /////////////////////////////////////////////////////////////////////////////// | 92 /////////////////////////////////////////////////////////////////////////////// |
86 | 93 |
87 void SkTableMaskFilter::MakeGammaTable(uint8_t table[256], SkScalar gamma) { | 94 void SkTableMaskFilter::MakeGammaTable(uint8_t table[256], SkScalar gamma) { |
88 const float dx = 1 / 255.0f; | 95 const float dx = 1 / 255.0f; |
89 const float g = SkScalarToFloat(gamma); | 96 const float g = SkScalarToFloat(gamma); |
90 | 97 |
91 float x = 0; | 98 float x = 0; |
92 for (int i = 0; i < 256; i++) { | 99 for (int i = 0; i < 256; i++) { |
93 // float ee = powf(x, g) * 255; | 100 // float ee = powf(x, g) * 255; |
94 table[i] = SkPin32(sk_float_round2int(powf(x, g) * 255), 0, 255); | 101 table[i] = SkPin32(sk_float_round2int(powf(x, g) * 255), 0, 255); |
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136 | 143 |
137 str->append("table: "); | 144 str->append("table: "); |
138 for (int i = 0; i < 255; ++i) { | 145 for (int i = 0; i < 255; ++i) { |
139 str->appendf("%d, ", fTable[i]); | 146 str->appendf("%d, ", fTable[i]); |
140 } | 147 } |
141 str->appendf("%d", fTable[255]); | 148 str->appendf("%d", fTable[255]); |
142 | 149 |
143 str->append(")"); | 150 str->append(")"); |
144 } | 151 } |
145 #endif | 152 #endif |
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