clang-format all pdfium code.

core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp

 // 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 "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fpdfapi/fpdf_page.h"
 #include "../../../include/fxcodec/fx_codec.h"
 #include "../../../include/fpdfapi/fpdf_render.h"
 #include "../fpdf_page/pageint.h"
 #include "../fpdf_render/render_int.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 = CPDF_Array::Create();
-        for (int n = 0; n < 4; n ++) {
-            pDecode->AddInteger(1);
-            pDecode->AddInteger(0);
+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 = CPDF_Array::Create();
+    for (int n = 0; n < 4; n++) {
+      pDecode->AddInteger(1);
+      pDecode->AddInteger(0);
+    }
+    pDict->SetAt(FX_BSTRC("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 == NULL) {
+    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->InitStream(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(FX_BSTRC("Type"), FX_BSTRC("XObject"));
+  pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image"));
+  pDict->SetAtInteger(FX_BSTRC("Width"), BitmapWidth);
+  pDict->SetAtInteger(FX_BSTRC("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(FX_BSTRC("ImageMask"), new CPDF_Boolean(TRUE));
+      if (reset_a == 0) {
+        CPDF_Array* pArray = new CPDF_Array;
+        pArray->AddInteger(1);
+        pArray->AddInteger(0);
+        pDict->SetAt(FX_BSTRC("Decode"), pArray);
+      }
+    } else {
+      CPDF_Array* pCS = new CPDF_Array;
+      pCS->AddName(FX_BSTRC("Indexed"));
+      pCS->AddName(FX_BSTRC("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(CPDF_String::Create(ct, TRUE));
+      pDict->SetAt(FX_BSTRC("ColorSpace"), pCS);
+    }
+    pDict->SetAtInteger(FX_BSTRC("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(FX_BSTRC("Indexed"));
+      pCS->AddName(FX_BSTRC("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 = CPDF_Stream::Create(pColorTable, iPalette * 3,
+                                              CPDF_Dictionary::Create());
+      m_pDocument->AddIndirectObject(pCTS);
+      pCS->AddReference(m_pDocument, pCTS);
+      pDict->SetAtReference(FX_BSTRC("ColorSpace"), m_pDocument, pCS);
+    } else {
+      pDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceGray"));
+    }
+    pDict->SetAtInteger(FX_BSTRC("BitsPerComponent"), 8);
+    if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
+      dest_pitch = BitmapWidth;
+      opType = 1;
+    } else {
+      opType = 0;
+    }
+  } else {
+    pDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceRGB"));
+    pDict->SetAtInteger(FX_BSTRC("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;
+    CPDF_Dictionary* pMaskDict = new CPDF_Dictionary;
+    pMaskDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("XObject"));
+    pMaskDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image"));
+    pMaskDict->SetAtInteger(FX_BSTRC("Width"), maskWidth);
+    pMaskDict->SetAtInteger(FX_BSTRC("Height"), maskHeight);
+    pMaskDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceGray"));
+    pMaskDict->SetAtInteger(FX_BSTRC("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(FX_BSTRC("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(FX_BSTRC("Matte"), pMatte);
+    }
+    CPDF_Stream* pMaskStream = new CPDF_Stream(mask_buf, mask_size, pMaskDict);
+    m_pDocument->AddIndirectObject(pMaskStream);
+    pDict->SetAtReference(FX_BSTRC("SMask"), m_pDocument, pMaskStream);
+    if (bDeleteMask) {
+      delete pMaskBitmap;
+    }
+  }
+  FX_BOOL bStream = pFileWrite != NULL && pFileRead != NULL;
+  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() != NULL) {
+        CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap();
+        pNewBitmap->Copy(pBitmap);
+        pNewBitmap->ConvertFormat(FXDIB_Rgb);
+        SetImage(pNewBitmap, iCompress, pFileWrite, pFileRead);
+        if (pDict) {
+          pDict->Release();
+          pDict = NULL;
         }
-        pDict->SetAt(FX_BSTRC("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 == NULL) {
-        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) {
+        if (dest_buf) {
+          FX_Free(dest_buf);
+          dest_buf = NULL;
+        }
+        dest_size = 0;
+        delete pNewBitmap;
         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->InitStream(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(FX_BSTRC("Type"), FX_BSTRC("XObject"));
-    pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image"));
-    pDict->SetAtInteger(FX_BSTRC("Width"), BitmapWidth);
-    pDict->SetAtInteger(FX_BSTRC("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);
+      } 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 (set_a == 0 || reset_a == 0) {
-            pDict->SetAt(FX_BSTRC("ImageMask"), new CPDF_Boolean(TRUE));
-            if (reset_a == 0) {
-                CPDF_Array* pArray = new CPDF_Array;
-                pArray->AddInteger(1);
-                pArray->AddInteger(0);
-                pDict->SetAt(FX_BSTRC("Decode"), pArray);
-            }
-        } else {
-            CPDF_Array* pCS = new CPDF_Array;
-            pCS->AddName(FX_BSTRC("Indexed"));
-            pCS->AddName(FX_BSTRC("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(CPDF_String::Create(ct, TRUE));
-            pDict->SetAt(FX_BSTRC("ColorSpace"), pCS);
-        }
-        pDict->SetAtInteger(FX_BSTRC("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(FX_BSTRC("Indexed"));
-            pCS->AddName(FX_BSTRC("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 = CPDF_Stream::Create(pColorTable, iPalette * 3, CPDF_Dictionary::Create());
-            m_pDocument->AddIndirectObject(pCTS);
-            pCS->AddReference(m_pDocument, pCTS);
-            pDict->SetAtReference(FX_BSTRC("ColorSpace"), m_pDocument, pCS);
-        } else {
-            pDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceGray"));
-        }
-        pDict->SetAtInteger(FX_BSTRC("BitsPerComponent"), 8);
-        if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
-            dest_pitch = BitmapWidth;
-            opType = 1;
-        } else {
-            opType = 0;
-        }
-    } else {
-        pDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceRGB"));
-        pDict->SetAtInteger(FX_BSTRC("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;
-        CPDF_Dictionary* pMaskDict = new CPDF_Dictionary;
-        pMaskDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("XObject"));
-        pMaskDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image"));
-        pMaskDict->SetAtInteger(FX_BSTRC("Width"), maskWidth);
-        pMaskDict->SetAtInteger(FX_BSTRC("Height"), maskHeight);
-        pMaskDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceGray"));
-        pMaskDict->SetAtInteger(FX_BSTRC("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(FX_BSTRC("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(FX_BSTRC("Matte"), pMatte);
-        }
-        CPDF_Stream* pMaskStream = new CPDF_Stream(mask_buf, mask_size, pMaskDict);
-        m_pDocument->AddIndirectObject(pMaskStream);
-        pDict->SetAtReference(FX_BSTRC("SMask"), m_pDocument, pMaskStream);
-        if (bDeleteMask) {
-            delete pMaskBitmap;
-        }
-    }
-    FX_BOOL bStream = pFileWrite != NULL && pFileRead != NULL;
-    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() != NULL) {
-                CFX_DIBitmap *pNewBitmap = new CFX_DIBitmap();
-                pNewBitmap->Copy(pBitmap);
-                pNewBitmap->ConvertFormat(FXDIB_Rgb);
-                SetImage(pNewBitmap, iCompress, pFileWrite, pFileRead);
-                if (pDict) {
-                    pDict->Release();
-                    pDict = NULL;
-                }
-                if (dest_buf) {
-                    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 == NULL) {
-        m_pStream = new CPDF_Stream(NULL, 0, NULL);
-    }
+      }
+    }
+    if (bStream) {
+      pFileWrite->WriteBlock(dest_buf, dest_size);
+      FX_Free(dest_buf);
+      dest_buf = NULL;
+    }
+  } else if (opType == 1) {
     if (!bStream) {
-        m_pStream->InitStream(dest_buf, dest_size, pDict);
-    } else {
-        pFileWrite->Flush();
-        m_pStream->InitStream(pFileRead, pDict);
-    }
-    m_bIsMask = pBitmap->IsAlphaMask();
-    m_Width = BitmapWidth;
-    m_Height = BitmapHeight;
-    if (dest_buf) {
-        FX_Free(dest_buf);
-    }
-}
-void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap)
-{
-    pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap);
-}
+      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 == NULL) {
+    m_pStream = new CPDF_Stream(NULL, 0, NULL);
+  }
+  if (!bStream) {
+    m_pStream->InitStream(dest_buf, dest_size, pDict);
+  } else {
+    pFileWrite->Flush();
+    m_pStream->InitStream(pFileRead, pDict);
+  }
+  m_bIsMask = pBitmap->IsAlphaMask();
+  m_Width = BitmapWidth;
+  m_Height = BitmapHeight;
+  if (dest_buf) {
+    FX_Free(dest_buf);
+  }
+}
+void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap) {
+  pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap);
+}