Pass rect by const reference in SetClip_Rect().

core/src/fpdfapi/fpdf_render/fpdf_render_pattern.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 "core/src/fpdfapi/fpdf_render/render_int.h"
 
 #include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfapi/fpdf_render.h"
@@ skipping 896 matching lines @@
   if (!pattern->Load()) {
     return;
   }
   m_pDevice->SaveState();
   if (pPageObj->IsPath()) {
     if (!SelectClipPath(pPageObj->AsPath(), pObj2Device, bStroke)) {
       m_pDevice->RestoreState();
       return;
     }
   } else if (pPageObj->IsImage()) {
-    FX_RECT rect = pPageObj->GetBBox(pObj2Device);
-    m_pDevice->SetClip_Rect(&rect);
+    m_pDevice->SetClip_Rect(pPageObj->GetBBox(pObj2Device));
   } else {
     return;
   }
   FX_RECT rect;
   if (GetObjectClippedRect(pPageObj, pObj2Device, FALSE, rect)) {
     m_pDevice->RestoreState();
     return;
   }
   CFX_Matrix matrix = pattern->m_Pattern2Form;
   matrix.Concat(*pObj2Device);
@@ skipping 60 matching lines @@
   if (!pPattern->Load()) {
     return;
   }
   m_pDevice->SaveState();
   if (pPageObj->IsPath()) {
     if (!SelectClipPath(pPageObj->AsPath(), pObj2Device, bStroke)) {
       m_pDevice->RestoreState();
       return;
     }
   } else if (pPageObj->IsImage()) {
-    FX_RECT rect = pPageObj->GetBBox(pObj2Device);
-    m_pDevice->SetClip_Rect(&rect);
+    m_pDevice->SetClip_Rect(pPageObj->GetBBox(pObj2Device));
   } else {
     return;
   }
   FX_RECT clip_box = m_pDevice->GetClipBox();
   if (clip_box.IsEmpty()) {
     m_pDevice->RestoreState();
     return;
   }
   CFX_Matrix dCTM = m_pDevice->GetCTM();
   FX_FLOAT sa = FXSYS_fabs(dCTM.a);
@@ skipping 187 matching lines @@
     }
   }
   if (bStroke) {
     CPDF_Color& StrokeColor = *pPathObj->m_ColorState.GetStrokeColor();
     if (StrokeColor.m_pCS && StrokeColor.m_pCS->GetFamily() == PDFCS_PATTERN) {
       DrawPathWithPattern(pPathObj, pObj2Device, &StrokeColor, TRUE);
       bStroke = FALSE;
     }
   }
 }