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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 #include "SkEmbossMaskFilter.h" | 10 #include "SkEmbossMaskFilter.h" |
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| 42 | 42 |
| 43 // specular should be 0..15.99 as a scalar | 43 // specular should be 0..15.99 as a scalar |
| 44 int sp = pin2byte(SkScalarToFixed(specular) >> 12); | 44 int sp = pin2byte(SkScalarToFixed(specular) >> 12); |
| 45 | 45 |
| 46 SkEmbossMaskFilter::Light light; | 46 SkEmbossMaskFilter::Light light; |
| 47 | 47 |
| 48 memcpy(light.fDirection, direction, sizeof(light.fDirection)); | 48 memcpy(light.fDirection, direction, sizeof(light.fDirection)); |
| 49 light.fAmbient = SkToU8(am); | 49 light.fAmbient = SkToU8(am); |
| 50 light.fSpecular = SkToU8(sp); | 50 light.fSpecular = SkToU8(sp); |
| 51 | 51 |
| 52 return SkNEW_ARGS(SkEmbossMaskFilter, (blurSigma, light)); | 52 return SkEmbossMaskFilter::Create(blurSigma, light); |
| 53 } | 53 } |
| 54 | 54 |
| 55 /////////////////////////////////////////////////////////////////////////////// | 55 /////////////////////////////////////////////////////////////////////////////// |
| 56 | 56 |
| 57 static void normalize(SkScalar v[3]) { | 57 static void normalize(SkScalar v[3]) { |
| 58 SkScalar mag = SkScalarSquare(v[0]) + SkScalarSquare(v[1]) + SkScalarSquare(
v[2]); | 58 SkScalar mag = SkScalarSquare(v[0]) + SkScalarSquare(v[1]) + SkScalarSquare(
v[2]); |
| 59 mag = SkScalarSqrt(mag); | 59 mag = SkScalarSqrt(mag); |
| 60 | 60 |
| 61 for (int i = 0; i < 3; i++) { | 61 for (int i = 0; i < 3; i++) { |
| 62 v[i] = SkScalarDiv(v[i], mag); | 62 v[i] = SkScalarDiv(v[i], mag); |
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| 160 str->append(") "); | 160 str->append(") "); |
| 161 | 161 |
| 162 str->appendf("ambient: %d specular: %d ", | 162 str->appendf("ambient: %d specular: %d ", |
| 163 fLight.fAmbient, fLight.fSpecular); | 163 fLight.fAmbient, fLight.fSpecular); |
| 164 | 164 |
| 165 str->append("blurSigma: "); | 165 str->append("blurSigma: "); |
| 166 str->appendScalar(fBlurSigma); | 166 str->appendScalar(fBlurSigma); |
| 167 str->append(")"); | 167 str->append(")"); |
| 168 } | 168 } |
| 169 #endif | 169 #endif |
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