1 /* 2 * Copyright 2017 Google Inc. 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 #ifndef SkWritePixelsRec_DEFINED 9 #define SkWritePixelsRec_DEFINED 10 11 #include "SkImageInfo.h" 12 13 /** 14 * Helper class to package and trim the parameters passed to writePixels() 15 */ 16 struct SkWritePixelsRec { SkWritePixelsRecSkWritePixelsRec17 SkWritePixelsRec(const SkImageInfo& info, const void* pixels, size_t rowBytes, int x, int y) 18 : fPixels(pixels) 19 , fRowBytes(rowBytes) 20 , fInfo(info) 21 , fX(x) 22 , fY(y) 23 {} 24 25 const void* fPixels; 26 size_t fRowBytes; 27 SkImageInfo fInfo; 28 int fX; 29 int fY; 30 31 /* 32 * On true, may have modified its fields (except fRowBytes) to make it a legal subset 33 * of the specified dst width/height. 34 * 35 * On false, leaves self unchanged, but indicates that it does not overlap dst, or 36 * is not valid (e.g. bad fInfo) for writePixels(). 37 */ 38 bool trim(int dstWidth, int dstHeight); 39 }; 40 41 #endif 42