1 /* 2 * Copyright 2006 The Android Open Source Project 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkColorFilter.h" 9 10 #include "SkFlattenableBuffers.h" 11 #include "SkShader.h" 12 #include "SkUnPreMultiply.h" 13 #include "SkString.h" 14 15 SK_DEFINE_INST_COUNT(SkColorFilter) 16 17 bool SkColorFilter::asColorMode(SkColor* color, SkXfermode::Mode* mode) const { 18 return false; 19 } 20 21 bool SkColorFilter::asColorMatrix(SkScalar matrix[20]) const { 22 return false; 23 } 24 25 bool SkColorFilter::asComponentTable(SkBitmap*) const { 26 return false; 27 } 28 29 void SkColorFilter::filterSpan16(const uint16_t s[], int count, uint16_t d[]) const { 30 SkASSERT(this->getFlags() & SkColorFilter::kHasFilter16_Flag); 31 SkDEBUGFAIL("missing implementation of SkColorFilter::filterSpan16"); 32 33 if (d != s) { 34 memcpy(d, s, count * sizeof(uint16_t)); 35 } 36 } 37 38 SkColor SkColorFilter::filterColor(SkColor c) const { 39 SkPMColor dst, src = SkPreMultiplyColor(c); 40 this->filterSpan(&src, 1, &dst); 41 return SkUnPreMultiply::PMColorToColor(dst); 42 } 43 44 GrEffectRef* SkColorFilter::asNewEffect(GrContext*) const { 45 return NULL; 46 } 47
