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Diffstat (limited to 'core/fxcodec/codec/codec_module_iface.h')
-rw-r--r-- | core/fxcodec/codec/codec_module_iface.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/core/fxcodec/codec/codec_module_iface.h b/core/fxcodec/codec/codec_module_iface.h new file mode 100644 index 0000000000..08469726aa --- /dev/null +++ b/core/fxcodec/codec/codec_module_iface.h @@ -0,0 +1,35 @@ +// Copyright 2018 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FXCODEC_CODEC_CODEC_MODULE_IFACE_H_ +#define CORE_FXCODEC_CODEC_CODEC_MODULE_IFACE_H_ + +#include "core/fxcrt/fx_system.h" +#include "third_party/base/span.h" + +class CFX_DIBAttribute; + +class CodecModuleIface { + public: + class Context { + public: + virtual ~Context() {} + }; + + virtual ~CodecModuleIface() {} + + // Returns the number of unprocessed bytes remaining in the input buffer. + virtual FX_FILESIZE GetAvailInput(Context* pContext) const = 0; + + // Provides a new input buffer to the codec. Returns true on success, + // setting details about the image extracted from the buffer into |pAttribute| + // (if provided and the codec is capable providing that information). + virtual bool Input(Context* pContext, + pdfium::span<uint8_t> src_buf, + CFX_DIBAttribute* pAttribute) = 0; +}; + +#endif // CORE_FXCODEC_CODEC_CODEC_MODULE_IFACE_H_ |