Remove unused PS generation code.

core/fpdfapi/fpdf_page/cpdf_image.cpp

 // Copyright 2016 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_image.h"
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
@@ skipping 61 matching lines @@
   m_Height = pDict->GetIntegerBy("Height");
   m_Width = pDict->GetIntegerBy("Width");
   return TRUE;
 }
 
 CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, uint32_t size) {
   int32_t width;
   int32_t height;
   int32_t num_comps;
   int32_t bits;
-  FX_BOOL color_trans;
+  bool color_trans;
   if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo(
-          pData, size, width, height, num_comps, bits, color_trans)) {
-    return NULL;
+          pData, size, &width, &height, &num_comps, &bits, &color_trans)) {
+    return nullptr;
   }
+
   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;
+  const FX_CHAR* csname = nullptr;
   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);
-  }
+  if (!m_pStream)
+    m_pStream = new CPDF_Stream(nullptr, 0, nullptr);
   return pDict;
 }
 
 void CPDF_Image::SetJpegImage(uint8_t* pData, uint32_t size) {
   CPDF_Dictionary* pDict = InitJPEG(pData, size);
   if (!pDict) {
     return;
   }
   m_pStream->InitStream(pData, size, pDict);
 }
@@ skipping 283 matching lines @@
   }
   if (!ret) {
     delete m_pDIBSource;
     m_pDIBSource = nullptr;
     return FALSE;
   }
   m_pMask = pSource->DetachMask();
   m_MatteColor = pSource->GetMatteColor();
   return FALSE;
 }