64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkEncoder_DEFINED
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#define SkEncoder_DEFINED
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#include "include/core/SkPixmap.h"
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#include "include/private/base/SkAPI.h"
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#include "include/private/base/SkNoncopyable.h"
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#include "include/private/base/SkTemplates.h"
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#include <cstddef>
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#include <cstdint>
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class SK_API SkEncoder : SkNoncopyable {
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public:
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/**
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* A single frame to be encoded into an animated image.
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*
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* If a frame does not fit in the canvas size, this is an error.
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* TODO(skia:13705): Add offsets when we have support for an encoder that supports using
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* offsets.
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*/
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struct SK_API Frame {
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/**
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* Pixmap of the frame.
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*/
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SkPixmap pixmap;
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/**
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* Duration of the frame in millseconds.
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*/
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int duration;
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};
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/**
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* Encode |numRows| rows of input. If the caller requests more rows than are remaining
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* in the src, this will encode all of the remaining rows. |numRows| must be greater
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* than zero.
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*/
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bool encodeRows(int numRows);
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virtual ~SkEncoder() {}
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protected:
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virtual bool onEncodeRows(int numRows) = 0;
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SkEncoder(const SkPixmap& src, size_t storageBytes)
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: fSrc(src)
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, fCurrRow(0)
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, fStorage(storageBytes)
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{}
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const SkPixmap& fSrc;
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int fCurrRow;
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skia_private::AutoTMalloc<uint8_t> fStorage;
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};
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#endif
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