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 "SkReadBuffer.h" 11 #include "SkWriteBuffer.h" 12 #include "SkShader.h" 13 #include "SkUnPreMultiply.h" 14 #include "SkString.h" 15 16 bool SkColorFilter::asColorMode(SkColor* color, SkXfermode::Mode* mode) const { 17 return false; 18 } 19 20 bool SkColorFilter::asColorMatrix(SkScalar matrix[20]) const { 21 return false; 22 } 23 24 bool SkColorFilter::asComponentTable(SkBitmap*) const { 25 return false; 26 } 27 28 void SkColorFilter::filterSpan16(const uint16_t s[], int count, uint16_t d[]) const { 29 SkASSERT(this->getFlags() & SkColorFilter::kHasFilter16_Flag); 30 SkDEBUGFAIL("missing implementation of SkColorFilter::filterSpan16"); 31 32 if (d != s) { 33 memcpy(d, s, count * sizeof(uint16_t)); 34 } 35 } 36 37 SkColor SkColorFilter::filterColor(SkColor c) const { 38 SkPMColor dst, src = SkPreMultiplyColor(c); 39 this->filterSpan(&src, 1, &dst); 40 return SkUnPreMultiply::PMColorToColor(dst); 41 } 42 43 GrFragmentProcessor* SkColorFilter::asFragmentProcessor(GrContext*) const { 44 return NULL; 45 } 46
