diff options
Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_tiff.cpp')
-rw-r--r-- | core/src/fxcodec/codec/fx_codec_tiff.cpp | 544 |
1 files changed, 0 insertions, 544 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_tiff.cpp b/core/src/fxcodec/codec/fx_codec_tiff.cpp deleted file mode 100644 index 38c2af6287..0000000000 --- a/core/src/fxcodec/codec/fx_codec_tiff.cpp +++ /dev/null @@ -1,544 +0,0 @@ -// Copyright 2014 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 - -#include "core/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/codec_int.h" - -extern "C" { -#include "third_party/libtiff/tiffiop.h" -} - -void* IccLib_CreateTransform_sRGB(const unsigned char* pProfileData, - unsigned int dwProfileSize, - int nComponents, - int intent, - FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT); -void IccLib_TranslateImage(void* pTransform, - unsigned char* pDest, - const unsigned char* pSrc, - int pixels); -void IccLib_DestroyTransform(void* pTransform); -class CCodec_TiffContext { - public: - CCodec_TiffContext(); - ~CCodec_TiffContext(); - - FX_BOOL InitDecoder(IFX_FileRead* file_ptr); - void GetFrames(int32_t& frames); - FX_BOOL LoadFrameInfo(int32_t frame, - FX_DWORD& width, - FX_DWORD& height, - FX_DWORD& comps, - FX_DWORD& bpc, - CFX_DIBAttribute* pAttribute); - FX_BOOL Decode(CFX_DIBitmap* pDIBitmap); - - union { - IFX_FileRead* in; - IFX_FileStream* out; - } io; - - FX_DWORD offset; - - TIFF* tif_ctx; - void* icc_ctx; - int32_t frame_num; - int32_t frame_cur; - FX_BOOL isDecoder; - - private: - FX_BOOL isSupport(CFX_DIBitmap* pDIBitmap); - void SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps); - FX_BOOL Decode1bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp); - FX_BOOL Decode8bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp); - FX_BOOL Decode24bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp); -}; -CCodec_TiffContext::CCodec_TiffContext() { - offset = 0; - frame_num = 0; - frame_cur = 0; - io.in = NULL; - tif_ctx = NULL; - icc_ctx = NULL; - isDecoder = TRUE; -} -CCodec_TiffContext::~CCodec_TiffContext() { - if (icc_ctx) { - IccLib_DestroyTransform(icc_ctx); - icc_ctx = NULL; - } - if (tif_ctx) { - TIFFClose(tif_ctx); - } -} -static tsize_t _tiff_read(thandle_t context, tdata_t buf, tsize_t length) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - FX_BOOL ret = FALSE; - if (pTiffContext->isDecoder) { - ret = pTiffContext->io.in->ReadBlock(buf, pTiffContext->offset, length); - } else { - ret = pTiffContext->io.out->ReadBlock(buf, pTiffContext->offset, length); - } - if (!ret) { - return 0; - } - pTiffContext->offset += (FX_DWORD)length; - return length; -} -static tsize_t _tiff_write(thandle_t context, tdata_t buf, tsize_t length) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - ASSERT(!pTiffContext->isDecoder); - if (!pTiffContext->io.out->WriteBlock(buf, pTiffContext->offset, length)) { - return 0; - } - pTiffContext->offset += (FX_DWORD)length; - return length; -} -static toff_t _tiff_seek(thandle_t context, toff_t offset, int whence) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - switch (whence) { - case 0: - pTiffContext->offset = (FX_DWORD)offset; - break; - case 1: - pTiffContext->offset += (FX_DWORD)offset; - break; - case 2: - if (pTiffContext->isDecoder) { - if (pTiffContext->io.in->GetSize() < (FX_FILESIZE)offset) { - return -1; - } - pTiffContext->offset = - (FX_DWORD)(pTiffContext->io.in->GetSize() - offset); - } else { - if (pTiffContext->io.out->GetSize() < (FX_FILESIZE)offset) { - return -1; - } - pTiffContext->offset = - (FX_DWORD)(pTiffContext->io.out->GetSize() - offset); - } - break; - default: - return -1; - } - ASSERT(pTiffContext->isDecoder ? (pTiffContext->offset <= - (FX_DWORD)pTiffContext->io.in->GetSize()) - : TRUE); - return pTiffContext->offset; -} -static int _tiff_close(thandle_t context) { - return 0; -} -static toff_t _tiff_get_size(thandle_t context) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - return pTiffContext->isDecoder ? (toff_t)pTiffContext->io.in->GetSize() - : (toff_t)pTiffContext->io.out->GetSize(); -} -static int _tiff_map(thandle_t context, tdata_t*, toff_t*) { - return 0; -} -static void _tiff_unmap(thandle_t context, tdata_t, toff_t) {} -TIFF* _tiff_open(void* context, const char* mode) { - TIFF* tif = TIFFClientOpen("Tiff Image", mode, (thandle_t)context, _tiff_read, - _tiff_write, _tiff_seek, _tiff_close, - _tiff_get_size, _tiff_map, _tiff_unmap); - if (tif) { - tif->tif_fd = (int)(intptr_t)context; - } - return tif; -} -void* _TIFFmalloc(tmsize_t size) { - return FXMEM_DefaultAlloc(size, 0); -} -void _TIFFfree(void* ptr) { - FXMEM_DefaultFree(ptr, 0); -} -void* _TIFFrealloc(void* ptr, tmsize_t size) { - return FXMEM_DefaultRealloc(ptr, size, 0); -} -void _TIFFmemset(void* ptr, int val, tmsize_t size) { - FXSYS_memset(ptr, val, (size_t)size); -} -void _TIFFmemcpy(void* des, const void* src, tmsize_t size) { - FXSYS_memcpy(des, src, (size_t)size); -} -int _TIFFmemcmp(const void* ptr1, const void* ptr2, tmsize_t size) { - return FXSYS_memcmp(ptr1, ptr2, (size_t)size); -} - -TIFFErrorHandler _TIFFwarningHandler = nullptr; -TIFFErrorHandler _TIFFerrorHandler = nullptr; - -int TIFFCmyk2Rgb(thandle_t context, - uint8 c, - uint8 m, - uint8 y, - uint8 k, - uint8* r, - uint8* g, - uint8* b) { - if (context == NULL) { - return 0; - } - CCodec_TiffContext* p = (CCodec_TiffContext*)context; - if (p->icc_ctx) { - unsigned char cmyk[4], bgr[3]; - cmyk[0] = c, cmyk[1] = m, cmyk[2] = y, cmyk[3] = k; - IccLib_TranslateImage(p->icc_ctx, bgr, cmyk, 1); - *r = bgr[2], *g = bgr[1], *b = bgr[0]; - } else { - AdobeCMYK_to_sRGB1(c, m, y, k, *r, *g, *b); - } - return 1; -} -FX_BOOL CCodec_TiffContext::InitDecoder(IFX_FileRead* file_ptr) { - io.in = file_ptr; - tif_ctx = _tiff_open(this, "r"); - if (tif_ctx == NULL) { - return FALSE; - } - return TRUE; -} -void CCodec_TiffContext::GetFrames(int32_t& frames) { - frames = frame_num = TIFFNumberOfDirectories(tif_ctx); -} -#define TIFF_EXIF_GETINFO(key, T, tag) \ - { \ - T val = (T)0; \ - TIFFGetField(tif_ctx, tag, &val); \ - if (val) { \ - (key) = FX_Alloc(uint8_t, sizeof(T)); \ - if ((key)) { \ - T* ptr = (T*)(key); \ - *ptr = val; \ - pExif->m_TagVal.SetAt(tag, (key)); \ - } \ - } \ - } \ - (key) = NULL; -#define TIFF_EXIF_GETSTRINGINFO(key, tag) \ - { \ - FX_DWORD size = 0; \ - uint8_t* buf = NULL; \ - TIFFGetField(tif_ctx, tag, &size, &buf); \ - if (size && buf) { \ - (key) = FX_Alloc(uint8_t, size); \ - if ((key)) { \ - FXSYS_memcpy((key), buf, size); \ - pExif->m_TagVal.SetAt(tag, (key)); \ - } \ - } \ - } \ - (key) = NULL; - -namespace { - -template <class T> -FX_BOOL Tiff_Exif_GetInfo(TIFF* tif_ctx, ttag_t tag, CFX_DIBAttribute* pAttr) { - T val = 0; - TIFFGetField(tif_ctx, tag, &val); - if (!val) - return FALSE; - T* ptr = FX_Alloc(T, 1); - *ptr = val; - pAttr->m_Exif[tag] = (void*)ptr; - return TRUE; -} -void Tiff_Exif_GetStringInfo(TIFF* tif_ctx, - ttag_t tag, - CFX_DIBAttribute* pAttr) { - FX_CHAR* buf = nullptr; - TIFFGetField(tif_ctx, tag, &buf); - if (!buf) - return; - FX_STRSIZE size = FXSYS_strlen(buf); - uint8_t* ptr = FX_Alloc(uint8_t, size + 1); - FXSYS_memcpy(ptr, buf, size); - ptr[size] = 0; - pAttr->m_Exif[tag] = ptr; -} - -} // namespace - -FX_BOOL CCodec_TiffContext::LoadFrameInfo(int32_t frame, - FX_DWORD& width, - FX_DWORD& height, - FX_DWORD& comps, - FX_DWORD& bpc, - CFX_DIBAttribute* pAttribute) { - if (!TIFFSetDirectory(tif_ctx, (uint16)frame)) { - return FALSE; - } - FX_WORD tif_cs; - FX_DWORD tif_icc_size = 0; - uint8_t* tif_icc_buf = NULL; - FX_WORD tif_bpc = 0; - FX_WORD tif_cps; - FX_DWORD tif_rps; - width = height = comps = 0; - TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width); - TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &comps); - TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &tif_bpc); - TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &tif_cs); - TIFFGetField(tif_ctx, TIFFTAG_COMPRESSION, &tif_cps); - TIFFGetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, &tif_rps); - TIFFGetField(tif_ctx, TIFFTAG_ICCPROFILE, &tif_icc_size, &tif_icc_buf); - if (pAttribute) { - pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_INCH; - if (TIFFGetField(tif_ctx, TIFFTAG_RESOLUTIONUNIT, - &pAttribute->m_wDPIUnit)) { - pAttribute->m_wDPIUnit -= 1; - } - Tiff_Exif_GetInfo<FX_WORD>(tif_ctx, TIFFTAG_ORIENTATION, pAttribute); - if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_XRESOLUTION, pAttribute)) { - void* val = pAttribute->m_Exif[TIFFTAG_XRESOLUTION]; - FX_FLOAT fDpi = val ? *reinterpret_cast<FX_FLOAT*>(val) : 0; - pAttribute->m_nXDPI = (int32_t)(fDpi + 0.5f); - } - if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_YRESOLUTION, pAttribute)) { - void* val = pAttribute->m_Exif[TIFFTAG_YRESOLUTION]; - FX_FLOAT fDpi = val ? *reinterpret_cast<FX_FLOAT*>(val) : 0; - pAttribute->m_nYDPI = (int32_t)(fDpi + 0.5f); - } - Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_IMAGEDESCRIPTION, pAttribute); - Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MAKE, pAttribute); - Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MODEL, pAttribute); - } - bpc = tif_bpc; - if (tif_rps > height) { - TIFFSetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, tif_rps = height); - } - return TRUE; -} -void _TiffBGRA2RGBA(uint8_t* pBuf, int32_t pixel, int32_t spp) { - for (int32_t n = 0; n < pixel; n++) { - uint8_t tmp = pBuf[0]; - pBuf[0] = pBuf[2]; - pBuf[2] = tmp; - pBuf += spp; - } -} -FX_BOOL CCodec_TiffContext::isSupport(CFX_DIBitmap* pDIBitmap) { - if (TIFFIsTiled(tif_ctx)) { - return FALSE; - } - uint16_t photometric; - if (!TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &photometric)) { - return FALSE; - } - switch (pDIBitmap->GetBPP()) { - case 1: - case 8: - if (photometric != PHOTOMETRIC_PALETTE) { - return FALSE; - } - break; - case 24: - if (photometric != PHOTOMETRIC_RGB) { - return FALSE; - } - break; - default: - return FALSE; - } - uint16_t planarconfig; - if (!TIFFGetFieldDefaulted(tif_ctx, TIFFTAG_PLANARCONFIG, &planarconfig)) { - return FALSE; - } - if (planarconfig == PLANARCONFIG_SEPARATE) { - return FALSE; - } - return TRUE; -} -void CCodec_TiffContext::SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps) { - uint16_t *red_orig, *green_orig, *blue_orig; - TIFFGetField(tif_ctx, TIFFTAG_COLORMAP, &red_orig, &green_orig, &blue_orig); - for (int32_t i = (1L << bps) - 1; i >= 0; i--) { -#define CVT(x) ((uint16_t)((x) >> 8)) - red_orig[i] = CVT(red_orig[i]); - green_orig[i] = CVT(green_orig[i]); - blue_orig[i] = CVT(blue_orig[i]); -#undef CVT - } - int32_t len = 1 << bps; - for (int32_t index = 0; index < len; index++) { - FX_DWORD r = red_orig[index] & 0xFF; - FX_DWORD g = green_orig[index] & 0xFF; - FX_DWORD b = blue_orig[index] & 0xFF; - FX_DWORD color = (uint32_t)b | ((uint32_t)g << 8) | ((uint32_t)r << 16) | - (((uint32)0xffL) << 24); - pDIBitmap->SetPaletteEntry(index, color); - } -} -FX_BOOL CCodec_TiffContext::Decode1bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp) { - if (pDIBitmap->GetBPP() != 1 || spp != 1 || bps != 1 || - !isSupport(pDIBitmap)) { - return FALSE; - } - SetPalette(pDIBitmap, bps); - int32_t size = (int32_t)TIFFScanlineSize(tif_ctx); - uint8_t* buf = (uint8_t*)_TIFFmalloc(size); - if (buf == NULL) { - TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer"); - return FALSE; - } - uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer(); - FX_DWORD pitch = pDIBitmap->GetPitch(); - for (int32_t row = 0; row < height; row++) { - TIFFReadScanline(tif_ctx, buf, row, 0); - for (int32_t j = 0; j < size; j++) { - bitMapbuffer[row * pitch + j] = buf[j]; - } - } - _TIFFfree(buf); - return TRUE; -} -FX_BOOL CCodec_TiffContext::Decode8bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp) { - if (pDIBitmap->GetBPP() != 8 || spp != 1 || (bps != 4 && bps != 8) || - !isSupport(pDIBitmap)) { - return FALSE; - } - SetPalette(pDIBitmap, bps); - int32_t size = (int32_t)TIFFScanlineSize(tif_ctx); - uint8_t* buf = (uint8_t*)_TIFFmalloc(size); - if (buf == NULL) { - TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer"); - return FALSE; - } - uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer(); - FX_DWORD pitch = pDIBitmap->GetPitch(); - for (int32_t row = 0; row < height; row++) { - TIFFReadScanline(tif_ctx, buf, row, 0); - for (int32_t j = 0; j < size; j++) { - switch (bps) { - case 4: - bitMapbuffer[row * pitch + 2 * j + 0] = (buf[j] & 0xF0) >> 4; - bitMapbuffer[row * pitch + 2 * j + 1] = (buf[j] & 0x0F) >> 0; - break; - case 8: - bitMapbuffer[row * pitch + j] = buf[j]; - break; - } - } - } - _TIFFfree(buf); - return TRUE; -} -FX_BOOL CCodec_TiffContext::Decode24bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp) { - if (pDIBitmap->GetBPP() != 24 || !isSupport(pDIBitmap)) { - return FALSE; - } - int32_t size = (int32_t)TIFFScanlineSize(tif_ctx); - uint8_t* buf = (uint8_t*)_TIFFmalloc(size); - if (buf == NULL) { - TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer"); - return FALSE; - } - uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer(); - FX_DWORD pitch = pDIBitmap->GetPitch(); - for (int32_t row = 0; row < height; row++) { - TIFFReadScanline(tif_ctx, buf, row, 0); - for (int32_t j = 0; j < size - 2; j += 3) { - bitMapbuffer[row * pitch + j + 0] = buf[j + 2]; - bitMapbuffer[row * pitch + j + 1] = buf[j + 1]; - bitMapbuffer[row * pitch + j + 2] = buf[j + 0]; - } - } - _TIFFfree(buf); - return TRUE; -} -FX_BOOL CCodec_TiffContext::Decode(CFX_DIBitmap* pDIBitmap) { - FX_DWORD img_wid = pDIBitmap->GetWidth(); - FX_DWORD img_hei = pDIBitmap->GetHeight(); - FX_DWORD width = 0; - FX_DWORD height = 0; - TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width); - TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height); - if (img_wid != width || img_hei != height) { - return FALSE; - } - if (pDIBitmap->GetBPP() == 32) { - FX_WORD rotation = ORIENTATION_TOPLEFT; - TIFFGetField(tif_ctx, TIFFTAG_ORIENTATION, &rotation); - if (TIFFReadRGBAImageOriented(tif_ctx, img_wid, img_hei, - (uint32*)pDIBitmap->GetBuffer(), rotation, - 1)) { - for (FX_DWORD row = 0; row < img_hei; row++) { - uint8_t* row_buf = (uint8_t*)pDIBitmap->GetScanline(row); - _TiffBGRA2RGBA(row_buf, img_wid, 4); - } - return TRUE; - } - } - uint16_t spp, bps; - TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &spp); - TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &bps); - FX_DWORD bpp = bps * spp; - if (bpp == 1) { - return Decode1bppRGB(pDIBitmap, height, width, bps, spp); - } else if (bpp <= 8) { - return Decode8bppRGB(pDIBitmap, height, width, bps, spp); - } else if (bpp <= 24) { - return Decode24bppRGB(pDIBitmap, height, width, bps, spp); - } - return FALSE; -} -void* CCodec_TiffModule::CreateDecoder(IFX_FileRead* file_ptr) { - CCodec_TiffContext* pDecoder = new CCodec_TiffContext; - if (!pDecoder->InitDecoder(file_ptr)) { - delete pDecoder; - return NULL; - } - return pDecoder; -} -void CCodec_TiffModule::GetFrames(void* ctx, int32_t& frames) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - pDecoder->GetFrames(frames); -} -FX_BOOL CCodec_TiffModule::LoadFrameInfo(void* ctx, - int32_t frame, - FX_DWORD& width, - FX_DWORD& height, - FX_DWORD& comps, - FX_DWORD& bpc, - CFX_DIBAttribute* pAttribute) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - return pDecoder->LoadFrameInfo(frame, width, height, comps, bpc, pAttribute); -} -FX_BOOL CCodec_TiffModule::Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - return pDecoder->Decode(pDIBitmap); -} -void CCodec_TiffModule::DestroyDecoder(void* ctx) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - delete pDecoder; -} |