1 // Copyright 2016 The PDFium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXCODEC_TIFF_TIFF_DECODER_H_ 8 #define CORE_FXCODEC_TIFF_TIFF_DECODER_H_ 9 10 #include <memory> 11 12 #include "core/fxcodec/progressive_decoder_iface.h" 13 #include "core/fxcrt/retain_ptr.h" 14 15 #ifndef PDF_ENABLE_XFA_TIFF 16 #error "TIFF must be enabled" 17 #endif 18 19 class CFX_DIBitmap; 20 class IFX_SeekableReadStream; 21 22 namespace fxcodec { 23 24 class CFX_DIBAttribute; 25 26 class TiffDecoder { 27 public: 28 static std::unique_ptr<ProgressiveDecoderIface::Context> CreateDecoder( 29 const RetainPtr<IFX_SeekableReadStream>& file_ptr); 30 31 static bool LoadFrameInfo(ProgressiveDecoderIface::Context* ctx, 32 int32_t frame, 33 int32_t* width, 34 int32_t* height, 35 int32_t* comps, 36 int32_t* bpc, 37 CFX_DIBAttribute* pAttribute); 38 // `bitmap` must be `FXDIB_Format::kBgra`. 39 static bool Decode(ProgressiveDecoderIface::Context* ctx, 40 RetainPtr<CFX_DIBitmap> bitmap); 41 42 TiffDecoder() = delete; 43 TiffDecoder(const TiffDecoder&) = delete; 44 TiffDecoder& operator=(const TiffDecoder&) = delete; 45 }; 46 47 } // namespace fxcodec 48 49 using TiffDecoder = fxcodec::TiffDecoder; 50 51 #endif // CORE_FXCODEC_TIFF_TIFF_DECODER_H_ 52