| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkReadPixelsRec_DEFINED |
| #define SkReadPixelsRec_DEFINED |
| |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkPixmap.h" |
| |
| #include <cstddef> |
| |
| /** |
| * Helper class to package and trim the parameters passed to readPixels() |
| */ |
| struct SkReadPixelsRec { |
| SkReadPixelsRec(const SkImageInfo& info, void* pixels, size_t rowBytes, int x, int y) |
| : fPixels(pixels) |
| , fRowBytes(rowBytes) |
| , fInfo(info) |
| , fX(x) |
| , fY(y) |
| {} |
| |
| SkReadPixelsRec(const SkPixmap& pm, int x, int y) |
| : fPixels(pm.writable_addr()) |
| , fRowBytes(pm.rowBytes()) |
| , fInfo(pm.info()) |
| , fX(x) |
| , fY(y) |
| {} |
| |
| void* fPixels; |
| size_t fRowBytes; |
| SkImageInfo fInfo; |
| int fX; |
| int fY; |
| |
| /* |
| * On true, may have modified its fields (except fRowBytes) to make it a legal subset |
| * of the specified src width/height. |
| * |
| * On false, leaves self unchanged, but indicates that it does not overlap src, or |
| * is not valid (e.g. bad fInfo) for readPixels(). |
| */ |
| bool trim(int srcWidth, int srcHeight); |
| }; |
| |
| #endif |