From 91b8302dec04ca4ddc1f91545d192350665580cf Mon Sep 17 00:00:00 2001
From: Tom Sepez <tsepez@chromium.org>
Date: Wed, 25 Jul 2018 22:56:45 +0000
Subject: Use incomplete type CFX_BmpContext in place of void*

Allows killing off static_cast<> in two places.

Change-Id: I467b69d92e8cbda5c2916b6ed2e97c173d8b4f2f
Reviewed-on: https://pdfium-review.googlesource.com/38897
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
---
 core/fxcodec/bmp/cfx_bmpdecompressor.cpp | 6 ++----
 core/fxcodec/bmp/cfx_bmpdecompressor.h   | 8 +++-----
 2 files changed, 5 insertions(+), 9 deletions(-)

(limited to 'core/fxcodec')

diff --git a/core/fxcodec/bmp/cfx_bmpdecompressor.cpp b/core/fxcodec/bmp/cfx_bmpdecompressor.cpp
index b490004853..c56d17d15d 100644
--- a/core/fxcodec/bmp/cfx_bmpdecompressor.cpp
+++ b/core/fxcodec/bmp/cfx_bmpdecompressor.cpp
@@ -66,13 +66,11 @@ void CFX_BmpDecompressor::Error() {
 
 void CFX_BmpDecompressor::ReadScanline(uint32_t row_num_,
                                        const std::vector<uint8_t>& row_buf) {
-  auto* p = static_cast<CFX_BmpContext*>(context_ptr_);
-  p->m_pDelegate->BmpReadScanline(row_num_, row_buf);
+  context_ptr_->m_pDelegate->BmpReadScanline(row_num_, row_buf);
 }
 
 bool CFX_BmpDecompressor::GetDataPosition(uint32_t rcd_pos) {
-  auto* p = reinterpret_cast<CFX_BmpContext*>(context_ptr_);
-  return p->m_pDelegate->BmpInputImagePositionBuf(rcd_pos);
+  return context_ptr_->m_pDelegate->BmpInputImagePositionBuf(rcd_pos);
 }
 
 int32_t CFX_BmpDecompressor::ReadHeader() {
diff --git a/core/fxcodec/bmp/cfx_bmpdecompressor.h b/core/fxcodec/bmp/cfx_bmpdecompressor.h
index 152a2bd0ee..2f1585e649 100644
--- a/core/fxcodec/bmp/cfx_bmpdecompressor.h
+++ b/core/fxcodec/bmp/cfx_bmpdecompressor.h
@@ -16,6 +16,8 @@
 
 #include "core/fxcrt/cfx_memorystream.h"
 
+class CFX_BmpContext;
+
 class CFX_BmpDecompressor {
  public:
   CFX_BmpDecompressor();
@@ -28,12 +30,9 @@ class CFX_BmpDecompressor {
   FX_FILESIZE GetAvailInput(uint8_t** avail_buf);
 
   jmp_buf jmpbuf_;
-
-  void* context_ptr_;
-
+  CFX_BmpContext* context_ptr_;
   std::vector<uint8_t> out_row_buffer_;
   std::vector<uint32_t> palette_;
-
   uint32_t header_offset_;
   uint32_t width_;
   uint32_t height_;
@@ -56,7 +55,6 @@ class CFX_BmpDecompressor {
   uint32_t mask_red_;
   uint32_t mask_green_;
   uint32_t mask_blue_;
-
   int32_t decode_status_;
 
  private:
-- 
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