Fix more FX_BOOL / int noise in core/fpdfsdk

core/fxcodec/codec/fx_codec_jpeg.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 <setjmp.h>
 
 #include "core/fxcodec/codec/codec_int.h"
 #include "core/fxcodec/fx_codec.h"
@@ skipping 431 matching lines @@
 
   *width = ctx->m_Info.image_width;
   *height = ctx->m_Info.image_height;
   *nComps = ctx->m_Info.num_components;
 #ifdef PDF_ENABLE_XFA
   JpegLoadAttribute(&ctx->m_Info, pAttribute);
 #endif
   return 0;
 }
 
-int CCodec_JpegModule::StartScanline(FXJPEG_Context* ctx, int down_scale) {
+FX_BOOL CCodec_JpegModule::StartScanline(FXJPEG_Context* ctx, int down_scale) {
   if (setjmp(ctx->m_JumpMark) == -1)
-    return 0;
+    return FALSE;
 
   ctx->m_Info.scale_denom = down_scale;
-  return jpeg_start_decompress(&ctx->m_Info);
+  return !!jpeg_start_decompress(&ctx->m_Info);
 }
 
 FX_BOOL CCodec_JpegModule::ReadScanline(FXJPEG_Context* ctx,
                                         unsigned char* dest_buf) {
   if (setjmp(ctx->m_JumpMark) == -1)
     return FALSE;
 
   int nlines = jpeg_read_scanlines(&ctx->m_Info, &dest_buf, 1);
   return nlines == 1;
 }
 
 uint32_t CCodec_JpegModule::GetAvailInput(FXJPEG_Context* ctx,
                                           uint8_t** avail_buf_ptr) {
   if (avail_buf_ptr) {
     *avail_buf_ptr = nullptr;
     if (ctx->m_SrcMgr.bytes_in_buffer > 0) {
       *avail_buf_ptr = (uint8_t*)ctx->m_SrcMgr.next_input_byte;
     }
   }
   return (uint32_t)ctx->m_SrcMgr.bytes_in_buffer;
 }