1*c8dee2aaSAndroid Build Coastguard Worker /* 2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2024 Google LLC. 3*c8dee2aaSAndroid Build Coastguard Worker * 4*c8dee2aaSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license that can be 5*c8dee2aaSAndroid Build Coastguard Worker * found in the LICENSE file. 6*c8dee2aaSAndroid Build Coastguard Worker */ 7*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkPngRustEncoder_DEFINED 8*c8dee2aaSAndroid Build Coastguard Worker #define SkPngRustEncoder_DEFINED 9*c8dee2aaSAndroid Build Coastguard Worker 10*c8dee2aaSAndroid Build Coastguard Worker #include <memory> 11*c8dee2aaSAndroid Build Coastguard Worker 12*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/base/SkAPI.h" 13*c8dee2aaSAndroid Build Coastguard Worker 14*c8dee2aaSAndroid Build Coastguard Worker class SkEncoder; 15*c8dee2aaSAndroid Build Coastguard Worker class SkPixmap; 16*c8dee2aaSAndroid Build Coastguard Worker class SkWStream; 17*c8dee2aaSAndroid Build Coastguard Worker 18*c8dee2aaSAndroid Build Coastguard Worker namespace SkPngRustEncoder { 19*c8dee2aaSAndroid Build Coastguard Worker 20*c8dee2aaSAndroid Build Coastguard Worker /** 21*c8dee2aaSAndroid Build Coastguard Worker * Encode the |src| pixels to the |dst| stream. 22*c8dee2aaSAndroid Build Coastguard Worker * |options| may be used to control the encoding behavior. 23*c8dee2aaSAndroid Build Coastguard Worker * 24*c8dee2aaSAndroid Build Coastguard Worker * Returns true on success. Returns false on an invalid or unsupported |src|. 25*c8dee2aaSAndroid Build Coastguard Worker * 26*c8dee2aaSAndroid Build Coastguard Worker * TODO(https://crbug.com/379312510): Add support for `SkPngEncoder::Options` 27*c8dee2aaSAndroid Build Coastguard Worker * like: 28*c8dee2aaSAndroid Build Coastguard Worker * * Comments - `tEXt` chunks. 29*c8dee2aaSAndroid Build Coastguard Worker * * Color profile - `iCCP` chunk. 30*c8dee2aaSAndroid Build Coastguard Worker * * Filter choice and compression level 31*c8dee2aaSAndroid Build Coastguard Worker */ 32*c8dee2aaSAndroid Build Coastguard Worker SK_API bool Encode(SkWStream* dst, const SkPixmap& src); 33*c8dee2aaSAndroid Build Coastguard Worker 34*c8dee2aaSAndroid Build Coastguard Worker /** 35*c8dee2aaSAndroid Build Coastguard Worker * Create a png encoder that will encode the |src| pixels to the |dst| stream. 36*c8dee2aaSAndroid Build Coastguard Worker * |options| may be used to control the encoding behavior. 37*c8dee2aaSAndroid Build Coastguard Worker * 38*c8dee2aaSAndroid Build Coastguard Worker * The primary use of this is incremental encoding of the pixels. 39*c8dee2aaSAndroid Build Coastguard Worker * 40*c8dee2aaSAndroid Build Coastguard Worker * |dst| is unowned but must remain valid for the lifetime of the object. 41*c8dee2aaSAndroid Build Coastguard Worker * 42*c8dee2aaSAndroid Build Coastguard Worker * This returns nullptr on an invalid or unsupported |src|. 43*c8dee2aaSAndroid Build Coastguard Worker * 44*c8dee2aaSAndroid Build Coastguard Worker * TODO(https://crbug.com/379312510): Add support for `SkPngEncoder::Options`. 45*c8dee2aaSAndroid Build Coastguard Worker */ 46*c8dee2aaSAndroid Build Coastguard Worker SK_API std::unique_ptr<SkEncoder> Make(SkWStream* dst, const SkPixmap& src); 47*c8dee2aaSAndroid Build Coastguard Worker 48*c8dee2aaSAndroid Build Coastguard Worker } // namespace SkPngRustEncoder 49*c8dee2aaSAndroid Build Coastguard Worker 50*c8dee2aaSAndroid Build Coastguard Worker #endif // SkPngRustEncoder_DEFINED 51