From 660843f9ea0e75b4efc78d17bbc5661c2d3ea2be Mon Sep 17 00:00:00 2001
From: Ryan Harrison <rharrison@chromium.org>
Date: Thu, 10 May 2018 19:11:37 +0000
Subject: Clean up post review comments

Cleaning up some nits that came in after my previous codec CL had gone
into the CQ.

BUG=pdfium:1080

Change-Id: I3845136d370f73c9c96ef732e95b8cf0c9c79d91
Reviewed-on: https://pdfium-review.googlesource.com/32351
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
---
 core/fxcodec/codec/ccodec_progressivedecoder.h |  2 +-
 core/fxcodec/codec/fx_codec.cpp                | 17 +----------------
 core/fxcodec/codec/fx_codec_progress.cpp       |  8 ++++----
 core/fxcodec/fx_codec.h                        | 18 +++++++++---------
 core/fxcodec/fx_codec_def.h                    |  2 +-
 5 files changed, 16 insertions(+), 31 deletions(-)

(limited to 'core/fxcodec')

diff --git a/core/fxcodec/codec/ccodec_progressivedecoder.h b/core/fxcodec/codec/ccodec_progressivedecoder.h
index 4eeb59d559..979de6ed25 100644
--- a/core/fxcodec/codec/ccodec_progressivedecoder.h
+++ b/core/fxcodec/codec/ccodec_progressivedecoder.h
@@ -244,13 +244,13 @@ class CCodec_ProgressiveDecoder :
   RetainPtr<IFX_SeekableReadStream> m_pFile;
   RetainPtr<CFX_DIBitmap> m_pDeviceBitmap;
   UnownedPtr<CCodec_ModuleMgr> m_pCodecMgr;
+  std::unique_ptr<CCodec_JpegModule::Context> m_pJpegContext;
 #ifdef PDF_ENABLE_XFA_BMP
   std::unique_ptr<CCodec_BmpModule::Context> m_pBmpContext;
 #endif  // PDF_ENABLE_XFA_BMP
 #ifdef PDF_ENABLE_XFA_GIF
   std::unique_ptr<CCodec_GifModule::Context> m_pGifContext;
 #endif  // PDF_ENABLE_XFA_GIF
-  std::unique_ptr<CCodec_JpegModule::Context> m_pJpegContext;
 #ifdef PDF_ENABLE_XFA_PNG
   std::unique_ptr<CCodec_PngModule::Context> m_pPngContext;
 #endif  // PDF_ENABLE_XFA_PNG
diff --git a/core/fxcodec/codec/fx_codec.cpp b/core/fxcodec/codec/fx_codec.cpp
index d81e8f756c..54245a5b99 100644
--- a/core/fxcodec/codec/fx_codec.cpp
+++ b/core/fxcodec/codec/fx_codec.cpp
@@ -1509,22 +1509,7 @@ bool CCodec_BasicModule::A85Encode(const uint8_t* src_buf,
 }
 
 #ifdef PDF_ENABLE_XFA
-CFX_DIBAttribute::CFX_DIBAttribute()
-    :
-#ifdef PDF_ENABLE_XFA_BMP
-      m_nBmpCompressType(0),
-#endif  // PDF_ENABLE_BMP
-#ifdef PDF_ENABLE_XFA_GIF
-      m_nGifLeft(0),
-      m_nGifTop(0),
-      m_pGifLocalPalette(nullptr),
-      m_nGifLocalPalNum(0),
-#endif  // PDF_ENABLE_XFA_GIF
-      m_nXDPI(-1),
-      m_nYDPI(-1),
-      m_fAspectRatio(-1.0f),
-      m_wDPIUnit(0) {
-}
+CFX_DIBAttribute::CFX_DIBAttribute() {}
 
 CFX_DIBAttribute::~CFX_DIBAttribute() {
   for (const auto& pair : m_Exif)
diff --git a/core/fxcodec/codec/fx_codec_progress.cpp b/core/fxcodec/codec/fx_codec_progress.cpp
index e45dff6682..6b91e864ab 100644
--- a/core/fxcodec/codec/fx_codec_progress.cpp
+++ b/core/fxcodec/codec/fx_codec_progress.cpp
@@ -1737,6 +1737,8 @@ bool CCodec_ProgressiveDecoder::DetectImageType(FXCODEC_IMAGE_TYPE imageType,
   memset(m_pSrcBuf, 0, size);
   m_SrcSize = size;
   switch (imageType) {
+    case FXCODEC_IMAGE_JPG:
+      return JpegDetectImageType(pAttribute, size);
 #ifdef PDF_ENABLE_XFA_BMP
     case FXCODEC_IMAGE_BMP:
       return BmpDetectImageType(pAttribute, size);
@@ -1745,8 +1747,6 @@ bool CCodec_ProgressiveDecoder::DetectImageType(FXCODEC_IMAGE_TYPE imageType,
     case FXCODEC_IMAGE_GIF:
       return GifDetectImageType(pAttribute, size);
 #endif  // PDF_ENABLE_XFA_GIF
-    case FXCODEC_IMAGE_JPG:
-      return JpegDetectImageType(pAttribute, size);
 #ifdef PDF_ENABLE_XFA_PNG
     case FXCODEC_IMAGE_PNG:
       return PngDetectImageType(pAttribute, size);
@@ -2444,6 +2444,8 @@ FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode() {
     return FXCODEC_STATUS_ERROR;
 
   switch (m_imagType) {
+    case FXCODEC_IMAGE_JPG:
+      return JpegContinueDecode();
 #ifdef PDF_ENABLE_XFA_BMP
     case FXCODEC_IMAGE_BMP:
       return BmpContinueDecode();
@@ -2452,8 +2454,6 @@ FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode() {
     case FXCODEC_IMAGE_GIF:
       return GifContinueDecode();
 #endif  // PDF_ENABLE_XFA_GIF
-    case FXCODEC_IMAGE_JPG:
-      return JpegContinueDecode();
 #ifdef PDF_ENABLE_XFA_PNG
     case FXCODEC_IMAGE_PNG:
       return PngContinueDecode();
diff --git a/core/fxcodec/fx_codec.h b/core/fxcodec/fx_codec.h
index 91d9f2fb32..458358085a 100644
--- a/core/fxcodec/fx_codec.h
+++ b/core/fxcodec/fx_codec.h
@@ -57,19 +57,19 @@ class CFX_DIBAttribute {
   ~CFX_DIBAttribute();
 
 #ifdef PDF_ENABLE_XFA_BMP
-  int32_t m_nBmpCompressType;
+  int32_t m_nBmpCompressType = 0;
 #endif  // PDF_ENABLE_XFA_BMP
 #ifdef PDF_ENABLE_XFA_GIF
-  int32_t m_nGifLeft;
-  int32_t m_nGifTop;
-  uint32_t* m_pGifLocalPalette;
-  uint32_t m_nGifLocalPalNum;
+  int32_t m_nGifLeft = 0;
+  int32_t m_nGifTop = 0;
+  uint32_t* m_pGifLocalPalette = nullptr;
+  uint32_t m_nGifLocalPalNum = 0;
 #endif  // PDF_ENABLE_XFA_GIF
 
-  int32_t m_nXDPI;
-  int32_t m_nYDPI;
-  float m_fAspectRatio;
-  uint16_t m_wDPIUnit;
+  int32_t m_nXDPI = -1;
+  int32_t m_nYDPI = -1;
+  float m_fAspectRatio = -1.0f;
+  uint16_t m_wDPIUnit = 0;
   std::map<uint32_t, void*> m_Exif;
 };
 #endif  // PDF_ENABLE_XFA
diff --git a/core/fxcodec/fx_codec_def.h b/core/fxcodec/fx_codec_def.h
index 154fe967ee..2d6b5ed937 100644
--- a/core/fxcodec/fx_codec_def.h
+++ b/core/fxcodec/fx_codec_def.h
@@ -26,10 +26,10 @@ enum FXCODEC_STATUS {
 #ifdef PDF_ENABLE_XFA
 enum FXCODEC_IMAGE_TYPE {
   FXCODEC_IMAGE_UNKNOWN = 0,
+  FXCODEC_IMAGE_JPG,
 #ifdef PDF_ENABLE_XFA_BMP
   FXCODEC_IMAGE_BMP,
 #endif  // PDF_ENABLE_XFA_BMP
-  FXCODEC_IMAGE_JPG,
 #ifdef PDF_ENABLE_XFA_PNG
   FXCODEC_IMAGE_PNG,
 #endif  // PDF_ENABLE_XFA_PNG
-- 
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