Use stdint.h types throughout PDFium.

fpdfsdk/src/pdfwindow/PWL_Signature.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/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_Icon.h"
 #include "../../include/pdfwindow/PWL_Signature.h"
@@ skipping 24 matching lines @@
 {
         CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
 
         if (m_pImage)
         {
                 CPDF_Rect rcClient = GetClientRect();
 
                 FX_FLOAT x, y;
                 pUser2Device->Transform(rcClient.left, rcClient.top, x, y);
 
-                pDevice->StretchDIBits(m_pImage, (FX_INT32)x, (FX_INT32)y, 
-                        (FX_INT32)rcClient.Width(), (FX_INT32)rcClient.Height());
+                pDevice->StretchDIBits(m_pImage, (int32_t)x, (int32_t)y, 
+                        (int32_t)rcClient.Width(), (int32_t)rcClient.Height());
         }
 }
 
 void CPWL_Signature_Image::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
 {
         sAppStream << CPWL_Image::GetImageAppStream();
 }
 
 void CPWL_Signature_Image::GetScale(FX_FLOAT & fHScale,FX_FLOAT & fVScale)
 {
@@ skipping 154 matching lines @@
         pDevice->DrawPath(&path, pUser2Device, &gsd, 0, ArgbEncode(255,255,0,0), FXFILL_ALTERNATE);
         */
 }
 
 void CPWL_Signature::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
 {
         CPWL_Wnd::GetThisAppearanceStream(sAppStream);
 }