Split core/include/fpdfapi/fpdf_resource.h

core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp

Index: core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
deleted file mode 100644
index 50e4f79881e7fbf6be46712777d34ba0bf57cef0..0000000000000000000000000000000000000000
--- a/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
+++ /dev/null
@@ -1,391 +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/fpdfapi/fpdf_page/include/cpdf_page.h"
-#include "core/fpdfapi/fpdf_page/pageint.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_boolean.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
-#include "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h"
-#include "core/fpdfapi/fpdf_render/render_int.h"
-#include "core/fpdfapi/include/cpdf_modulemgr.h"
-#include "core/include/fxcodec/fx_codec.h"
-
-CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, FX_DWORD size) {
-  int32_t width;
-  int32_t height;
-  int32_t num_comps;
-  int32_t bits;
-  FX_BOOL color_trans;
-  if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo(
-          pData, size, width, height, num_comps, bits, color_trans)) {
-    return NULL;
-  }
-  CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("Type", "XObject");
-  pDict->SetAtName("Subtype", "Image");
-  pDict->SetAtInteger("Width", width);
-  pDict->SetAtInteger("Height", height);
-  const FX_CHAR* csname = NULL;
-  if (num_comps == 1) {
-    csname = "DeviceGray";
-  } else if (num_comps == 3) {
-    csname = "DeviceRGB";
-  } else if (num_comps == 4) {
-    csname = "DeviceCMYK";
-    CPDF_Array* pDecode = new CPDF_Array;
-    for (int n = 0; n < 4; n++) {
-      pDecode->AddInteger(1);
-      pDecode->AddInteger(0);
-    }
-    pDict->SetAt("Decode", pDecode);
-  }
-  pDict->SetAtName("ColorSpace", csname);
-  pDict->SetAtInteger("BitsPerComponent", bits);
-  pDict->SetAtName("Filter", "DCTDecode");
-  if (!color_trans) {
-    CPDF_Dictionary* pParms = new CPDF_Dictionary;
-    pDict->SetAt("DecodeParms", pParms);
-    pParms->SetAtInteger("ColorTransform", 0);
-  }
-  m_bIsMask = FALSE;
-  m_Width = width;
-  m_Height = height;
-  if (!m_pStream) {
-    m_pStream = new CPDF_Stream(NULL, 0, NULL);
-  }
-  return pDict;
-}
-void CPDF_Image::SetJpegImage(uint8_t* pData, FX_DWORD size) {
-  CPDF_Dictionary* pDict = InitJPEG(pData, size);
-  if (!pDict) {
-    return;
-  }
-  m_pStream->InitStream(pData, size, pDict);
-}
-void CPDF_Image::SetJpegImage(IFX_FileRead* pFile) {
-  FX_DWORD size = (FX_DWORD)pFile->GetSize();
-  if (!size) {
-    return;
-  }
-  FX_DWORD dwEstimateSize = size;
-  if (dwEstimateSize > 8192) {
-    dwEstimateSize = 8192;
-  }
-  uint8_t* pData = FX_Alloc(uint8_t, dwEstimateSize);
-  pFile->ReadBlock(pData, 0, dwEstimateSize);
-  CPDF_Dictionary* pDict = InitJPEG(pData, dwEstimateSize);
-  FX_Free(pData);
-  if (!pDict && size > dwEstimateSize) {
-    pData = FX_Alloc(uint8_t, size);
-    pFile->ReadBlock(pData, 0, size);
-    pDict = InitJPEG(pData, size);
-    FX_Free(pData);
-  }
-  if (!pDict) {
-    return;
-  }
-  m_pStream->InitStreamFromFile(pFile, pDict);
-}
-void _DCTEncodeBitmap(CPDF_Dictionary* pBitmapDict,
-                      const CFX_DIBitmap* pBitmap,
-                      int quality,
-                      uint8_t*& buf,
-                      FX_STRSIZE& size) {}
-void _JBIG2EncodeBitmap(CPDF_Dictionary* pBitmapDict,
-                        const CFX_DIBitmap* pBitmap,
-                        CPDF_Document* pDoc,
-                        uint8_t*& buf,
-                        FX_STRSIZE& size,
-                        FX_BOOL bLossLess) {}
-void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap,
-                          int32_t iCompress,
-                          IFX_FileWrite* pFileWrite,
-                          IFX_FileRead* pFileRead,
-                          const CFX_DIBitmap* pMask,
-                          const CPDF_ImageSetParam* pParam) {
-  int32_t BitmapWidth = pBitmap->GetWidth();
-  int32_t BitmapHeight = pBitmap->GetHeight();
-  if (BitmapWidth < 1 || BitmapHeight < 1) {
-    return;
-  }
-  uint8_t* src_buf = pBitmap->GetBuffer();
-  int32_t src_pitch = pBitmap->GetPitch();
-  int32_t bpp = pBitmap->GetBPP();
-  FX_BOOL bUseMatte =
-      pParam && pParam->pMatteColor && (pBitmap->GetFormat() == FXDIB_Argb);
-  CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("Type", "XObject");
-  pDict->SetAtName("Subtype", "Image");
-  pDict->SetAtInteger("Width", BitmapWidth);
-  pDict->SetAtInteger("Height", BitmapHeight);
-  uint8_t* dest_buf = NULL;
-  FX_STRSIZE dest_pitch = 0, dest_size = 0, opType = -1;
-  if (bpp == 1) {
-    int32_t reset_a = 0, reset_r = 0, reset_g = 0, reset_b = 0;
-    int32_t set_a = 0, set_r = 0, set_g = 0, set_b = 0;
-    if (!pBitmap->IsAlphaMask()) {
-      ArgbDecode(pBitmap->GetPaletteArgb(0), reset_a, reset_r, reset_g,
-                 reset_b);
-      ArgbDecode(pBitmap->GetPaletteArgb(1), set_a, set_r, set_g, set_b);
-    }
-    if (set_a == 0 || reset_a == 0) {
-      pDict->SetAt("ImageMask", new CPDF_Boolean(TRUE));
-      if (reset_a == 0) {
-        CPDF_Array* pArray = new CPDF_Array;
-        pArray->AddInteger(1);
-        pArray->AddInteger(0);
-        pDict->SetAt("Decode", pArray);
-      }
-    } else {
-      CPDF_Array* pCS = new CPDF_Array;
-      pCS->AddName("Indexed");
-      pCS->AddName("DeviceRGB");
-      pCS->AddInteger(1);
-      CFX_ByteString ct;
-      FX_CHAR* pBuf = ct.GetBuffer(6);
-      pBuf[0] = (FX_CHAR)reset_r;
-      pBuf[1] = (FX_CHAR)reset_g;
-      pBuf[2] = (FX_CHAR)reset_b;
-      pBuf[3] = (FX_CHAR)set_r;
-      pBuf[4] = (FX_CHAR)set_g;
-      pBuf[5] = (FX_CHAR)set_b;
-      ct.ReleaseBuffer(6);
-      pCS->Add(new CPDF_String(ct, TRUE));
-      pDict->SetAt("ColorSpace", pCS);
-    }
-    pDict->SetAtInteger("BitsPerComponent", 1);
-    dest_pitch = (BitmapWidth + 7) / 8;
-    if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
-      opType = 1;
-    } else {
-      opType = 0;
-    }
-  } else if (bpp == 8) {
-    int32_t iPalette = pBitmap->GetPaletteSize();
-    if (iPalette > 0) {
-      CPDF_Array* pCS = new CPDF_Array;
-      m_pDocument->AddIndirectObject(pCS);
-      pCS->AddName("Indexed");
-      pCS->AddName("DeviceRGB");
-      pCS->AddInteger(iPalette - 1);
-      uint8_t* pColorTable = FX_Alloc2D(uint8_t, iPalette, 3);
-      uint8_t* ptr = pColorTable;
-      for (int32_t i = 0; i < iPalette; i++) {
-        FX_DWORD argb = pBitmap->GetPaletteArgb(i);
-        ptr[0] = (uint8_t)(argb >> 16);
-        ptr[1] = (uint8_t)(argb >> 8);
-        ptr[2] = (uint8_t)argb;
-        ptr += 3;
-      }
-      CPDF_Stream* pCTS =
-          new CPDF_Stream(pColorTable, iPalette * 3, new CPDF_Dictionary);
-      m_pDocument->AddIndirectObject(pCTS);
-      pCS->AddReference(m_pDocument, pCTS);
-      pDict->SetAtReference("ColorSpace", m_pDocument, pCS);
-    } else {
-      pDict->SetAtName("ColorSpace", "DeviceGray");
-    }
-    pDict->SetAtInteger("BitsPerComponent", 8);
-    if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
-      dest_pitch = BitmapWidth;
-      opType = 1;
-    } else {
-      opType = 0;
-    }
-  } else {
-    pDict->SetAtName("ColorSpace", "DeviceRGB");
-    pDict->SetAtInteger("BitsPerComponent", 8);
-    if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
-      dest_pitch = BitmapWidth * 3;
-      opType = 2;
-    } else {
-      opType = 0;
-    }
-  }
-  const CFX_DIBitmap* pMaskBitmap = NULL;
-  FX_BOOL bDeleteMask = FALSE;
-  if (pBitmap->HasAlpha()) {
-    pMaskBitmap = pBitmap->GetAlphaMask();
-    bDeleteMask = TRUE;
-  }
-  if (!pMaskBitmap && pMask) {
-    FXDIB_Format maskFormat = pMask->GetFormat();
-    if (maskFormat == FXDIB_1bppMask || maskFormat == FXDIB_8bppMask) {
-      pMaskBitmap = pMask;
-    }
-  }
-  if (pMaskBitmap) {
-    int32_t maskWidth = pMaskBitmap->GetWidth();
-    int32_t maskHeight = pMaskBitmap->GetHeight();
-    uint8_t* mask_buf = NULL;
-    FX_STRSIZE mask_size = 0;
-    CPDF_Dictionary* pMaskDict = new CPDF_Dictionary;
-    pMaskDict->SetAtName("Type", "XObject");
-    pMaskDict->SetAtName("Subtype", "Image");
-    pMaskDict->SetAtInteger("Width", maskWidth);
-    pMaskDict->SetAtInteger("Height", maskHeight);
-    pMaskDict->SetAtName("ColorSpace", "DeviceGray");
-    pMaskDict->SetAtInteger("BitsPerComponent", 8);
-    if (pMaskBitmap->GetBPP() == 8 &&
-        (iCompress & PDF_IMAGE_MASK_LOSSY_COMPRESS) != 0) {
-      _DCTEncodeBitmap(pMaskDict, pMaskBitmap, pParam ? pParam->nQuality : 75,
-                       mask_buf, mask_size);
-    } else if (pMaskBitmap->GetFormat() == FXDIB_1bppMask) {
-      _JBIG2EncodeBitmap(pMaskDict, pMaskBitmap, m_pDocument, mask_buf,
-                         mask_size, TRUE);
-    } else {
-      mask_buf = FX_Alloc2D(uint8_t, maskHeight, maskWidth);
-      mask_size = maskHeight * maskWidth;  // Safe since checked alloc returned.
-      for (int32_t a = 0; a < maskHeight; a++) {
-        FXSYS_memcpy(mask_buf + a * maskWidth, pMaskBitmap->GetScanline(a),
-                     maskWidth);
-      }
-    }
-    pMaskDict->SetAtInteger("Length", mask_size);
-    if (bUseMatte) {
-      int a, r, g, b;
-      ArgbDecode(*(pParam->pMatteColor), a, r, g, b);
-      CPDF_Array* pMatte = new CPDF_Array;
-      pMatte->AddInteger(r);
-      pMatte->AddInteger(g);
-      pMatte->AddInteger(b);
-      pMaskDict->SetAt("Matte", pMatte);
-    }
-    CPDF_Stream* pMaskStream = new CPDF_Stream(mask_buf, mask_size, pMaskDict);
-    m_pDocument->AddIndirectObject(pMaskStream);
-    pDict->SetAtReference("SMask", m_pDocument, pMaskStream);
-    if (bDeleteMask) {
-      delete pMaskBitmap;
-    }
-  }
-  FX_BOOL bStream = pFileWrite && pFileRead;
-  if (opType == 0) {
-    if (iCompress & PDF_IMAGE_LOSSLESS_COMPRESS) {
-      if (pBitmap->GetBPP() == 1) {
-        _JBIG2EncodeBitmap(pDict, pBitmap, m_pDocument, dest_buf, dest_size,
-                           TRUE);
-      }
-    } else {
-      if (pBitmap->GetBPP() == 1) {
-        _JBIG2EncodeBitmap(pDict, pBitmap, m_pDocument, dest_buf, dest_size,
-                           FALSE);
-      } else if (pBitmap->GetBPP() >= 8 && pBitmap->GetPalette()) {
-        CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap();
-        pNewBitmap->Copy(pBitmap);
-        pNewBitmap->ConvertFormat(FXDIB_Rgb);
-        SetImage(pNewBitmap, iCompress, pFileWrite, pFileRead);
-        if (pDict) {
-          pDict->Release();
-          pDict = NULL;
-        }
-        FX_Free(dest_buf);
-        dest_buf = NULL;
-        dest_size = 0;
-        delete pNewBitmap;
-        return;
-      } else {
-        if (bUseMatte) {
-          CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap();
-          pNewBitmap->Create(BitmapWidth, BitmapHeight, FXDIB_Argb);
-          uint8_t* dst_buf = pNewBitmap->GetBuffer();
-          int32_t src_offset = 0;
-          for (int32_t row = 0; row < BitmapHeight; row++) {
-            src_offset = row * src_pitch;
-            for (int32_t column = 0; column < BitmapWidth; column++) {
-              FX_FLOAT alpha = src_buf[src_offset + 3] / 255.0f;
-              dst_buf[src_offset] = (uint8_t)(src_buf[src_offset] * alpha);
-              dst_buf[src_offset + 1] =
-                  (uint8_t)(src_buf[src_offset + 1] * alpha);
-              dst_buf[src_offset + 2] =
-                  (uint8_t)(src_buf[src_offset + 2] * alpha);
-              dst_buf[src_offset + 3] = (uint8_t)(src_buf[src_offset + 3]);
-              src_offset += 4;
-            }
-          }
-          _DCTEncodeBitmap(pDict, pNewBitmap, pParam ? pParam->nQuality : 75,
-                           dest_buf, dest_size);
-          delete pNewBitmap;
-        } else {
-          _DCTEncodeBitmap(pDict, pBitmap, pParam ? pParam->nQuality : 75,
-                           dest_buf, dest_size);
-        }
-      }
-    }
-    if (bStream) {
-      pFileWrite->WriteBlock(dest_buf, dest_size);
-      FX_Free(dest_buf);
-      dest_buf = NULL;
-    }
-  } else if (opType == 1) {
-    if (!bStream) {
-      dest_buf = FX_Alloc2D(uint8_t, dest_pitch, BitmapHeight);
-      dest_size =
-          dest_pitch * BitmapHeight;  // Safe since checked alloc returned.
-    }
-    uint8_t* pDest = dest_buf;
-    for (int32_t i = 0; i < BitmapHeight; i++) {
-      if (!bStream) {
-        FXSYS_memcpy(pDest, src_buf, dest_pitch);
-        pDest += dest_pitch;
-      } else {
-        pFileWrite->WriteBlock(src_buf, dest_pitch);
-      }
-      src_buf += src_pitch;
-    }
-  } else if (opType == 2) {
-    if (!bStream) {
-      dest_buf = FX_Alloc2D(uint8_t, dest_pitch, BitmapHeight);
-      dest_size =
-          dest_pitch * BitmapHeight;  // Safe since checked alloc returned.
-    } else {
-      dest_buf = FX_Alloc(uint8_t, dest_pitch);
-    }
-    uint8_t* pDest = dest_buf;
-    int32_t src_offset = 0;
-    int32_t dest_offset = 0;
-    for (int32_t row = 0; row < BitmapHeight; row++) {
-      src_offset = row * src_pitch;
-      for (int32_t column = 0; column < BitmapWidth; column++) {
-        FX_FLOAT alpha = bUseMatte ? src_buf[src_offset + 3] / 255.0f : 1;
-        pDest[dest_offset] = (uint8_t)(src_buf[src_offset + 2] * alpha);
-        pDest[dest_offset + 1] = (uint8_t)(src_buf[src_offset + 1] * alpha);
-        pDest[dest_offset + 2] = (uint8_t)(src_buf[src_offset] * alpha);
-        dest_offset += 3;
-        src_offset += bpp == 24 ? 3 : 4;
-      }
-      if (bStream) {
-        pFileWrite->WriteBlock(pDest, dest_pitch);
-        pDest = dest_buf;
-      } else {
-        pDest += dest_pitch;
-      }
-      dest_offset = 0;
-    }
-    if (bStream) {
-      FX_Free(dest_buf);
-      dest_buf = NULL;
-    }
-  }
-  if (!m_pStream) {
-    m_pStream = new CPDF_Stream(NULL, 0, NULL);
-  }
-  if (!bStream) {
-    m_pStream->InitStream(dest_buf, dest_size, pDict);
-  } else {
-    pFileWrite->Flush();
-    m_pStream->InitStreamFromFile(pFileRead, pDict);
-  }
-  m_bIsMask = pBitmap->IsAlphaMask();
-  m_Width = BitmapWidth;
-  m_Height = BitmapHeight;
-  FX_Free(dest_buf);
-}
-void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap) {
-  pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap);
-}