Fix else-after-returns throughout pdfium.

core/src/fpdfapi/fpdf_page/fpdf_page_colors.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/fpdfapi/fpdf_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fxcodec/fx_codec.h"
 #include "pageint.h"
@@ skipping 85 matching lines @@
     k = pBuf[3];
     return TRUE;
 }
 FX_BOOL CPDF_DeviceCS::SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const
 {
     if (m_Family == PDFCS_DEVICERGB) {
         pBuf[0] = R;
         pBuf[1] = G;
         pBuf[2] = B;
         return TRUE;
-    } else if (m_Family == PDFCS_DEVICEGRAY) {
+    }
+    if (m_Family == PDFCS_DEVICEGRAY) {
         if (R == G && R == B) {
             *pBuf = R;
             return TRUE;
-        } else {
-            return FALSE;
         }
-    } else if (m_Family == PDFCS_DEVICECMYK) {
+        return FALSE;
+    }
+    if (m_Family == PDFCS_DEVICECMYK) {
         sRGB_to_AdobeCMYK(R, G, B, pBuf[0], pBuf[1], pBuf[2], pBuf[3]);
         return TRUE;
     }
     return FALSE;
 }
 FX_BOOL CPDF_DeviceCS::v_SetCMYK(FX_FLOAT* pBuf, FX_FLOAT c, FX_FLOAT m, FX_FLOAT y, FX_FLOAT k) const
 {
     if (m_Family == PDFCS_DEVICERGB) {
         AdobeCMYK_to_sRGB(c, m, y, k, pBuf[0], pBuf[1], pBuf[2]);
         return TRUE;
-    } else if (m_Family == PDFCS_DEVICEGRAY) {
-        return FALSE;
-    } else if (m_Family == PDFCS_DEVICECMYK) {
+    }
+    if (m_Family == PDFCS_DEVICECMYK) {
         pBuf[0] = c;
         pBuf[1] = m;
         pBuf[2] = y;
         pBuf[3] = k;
         return TRUE;
     }
     return FALSE;
 }
 static void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels)
 {
@@ skipping 170 matching lines @@
 FX_BOOL CPDF_CalGray::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
 {
     R = G = B = *pBuf;
     return TRUE;
 }
 FX_BOOL CPDF_CalGray::SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const
 {
     if (R == G && R == B) {
         *pBuf = R;
         return TRUE;
-    } else {
-        return FALSE;
     }
+    return FALSE;
 }
 void CPDF_CalGray::TranslateImageLine(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
 {
     for (int i = 0; i < pixels; i ++) {
         *pDestBuf ++ = pSrcBuf[i];
         *pDestBuf ++ = pSrcBuf[i];
         *pDestBuf ++ = pSrcBuf[i];
     }
 }
 class CPDF_CalRGB : public CPDF_ColorSpace
@@ skipping 656 matching lines @@
     }
     CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
     int nresults = 0;
     m_pFunc->Call(pBuf, 1, results, nresults);
     if (nresults == 0) {
         return FALSE;
     }
     if (m_pAltCS) {
         m_pAltCS->GetRGB(results, R, G, B);
         return TRUE;
-    } else {
-        R = G = B = 0;
-        return FALSE;
     }
+    R = G = B = 0;
+    return FALSE;
 }
 void CPDF_SeparationCS::EnableStdConversion(FX_BOOL bEnabled)
 {
     CPDF_ColorSpace::EnableStdConversion(bEnabled);
     if (m_pAltCS) {
         m_pAltCS->EnableStdConversion(bEnabled);
     }
 }
 class CPDF_DeviceNCS : public CPDF_ColorSpace
 {
@@ skipping 430 matching lines @@
     PatternValue* pvalue = (PatternValue*)m_pBuffer;
     return pvalue->m_nComps ? pvalue->m_Comps : NULL;
 }
 FX_BOOL CPDF_Color::IsEqual(const CPDF_Color& other) const
 {
     if (m_pCS != other.m_pCS || m_pCS == NULL) {
         return FALSE;
     }
     return FXSYS_memcmp(m_pBuffer, other.m_pBuffer, m_pCS->GetBufSize()) == 0;
 }