Remove unused parameter from FPDFDest_GetView().

Fix a bunch of nits as well.

Change-Id: I874f9b1d4676823635aad8986fcf23a11ae6efd9
Reviewed-on: https://pdfium-review.googlesource.com/22473
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

2 files changed, 14 insertions, 20 deletions

diff --git a/fpdfsdk/fpdfdoc.cpp b/fpdfsdk/fpdfdoc.cpp
index 14e4361483..47ecf4223b 100644
--- a/fpdfsdk/fpdfdoc.cpp
+++ b/fpdfsdk/fpdfdoc.cpp
@@ -211,26 +211,20 @@ FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST pDict) {
 }
 
 FPDF_EXPORT unsigned long FPDF_CALLCONV
-FPDFDest_GetView(FPDF_DOCUMENT document,
-                 FPDF_DEST pDict,
-                 unsigned long* outNumParams,
-                 FS_FLOAT* outParams) {
+FPDFDest_GetView(FPDF_DEST pDict,
+                 unsigned long* pNumParams,
+                 FS_FLOAT* pParams) {
   if (!pDict) {
-    *outNumParams = 0;
-    return 0;
-  }
-
-  CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
-  if (!pDoc) {
-    *outNumParams = 0;
+    *pNumParams = 0;
     return 0;
   }
 
   CPDF_Dest dest(static_cast<CPDF_Array*>(pDict));
-
-  *outNumParams = dest.GetNumParams();
-  for (unsigned long i = 0; i < *outNumParams; ++i)
-    outParams[i] = dest.GetParam(i);
+  unsigned long nParams = dest.GetNumParams();
+  ASSERT(nParams <= 4);
+  *pNumParams = nParams;
+  for (unsigned long i = 0; i < nParams; ++i)
+    pParams[i] = dest.GetParam(i);
   return dest.GetZoomMode();
 }
 
diff --git a/fpdfsdk/fpdfdoc_embeddertest.cpp b/fpdfsdk/fpdfdoc_embeddertest.cpp
index 24414a1c33..d346330486 100644
--- a/fpdfsdk/fpdfdoc_embeddertest.cpp
+++ b/fpdfsdk/fpdfdoc_embeddertest.cpp
@@ -51,7 +51,7 @@ TEST_F(FPDFDocEmbeddertest, DestGetView) {
   numParams = 42;
   std::fill_n(params, 4, 42.4242f);
   EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_UNKNOWN_MODE),
-            FPDFDest_GetView(document(), nullptr, &numParams, params));
+            FPDFDest_GetView(nullptr, &numParams, params));
   EXPECT_EQ(0U, numParams);
   EXPECT_FLOAT_EQ(42.4242f, params[0]);
 
@@ -60,7 +60,7 @@ TEST_F(FPDFDocEmbeddertest, DestGetView) {
   FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
   EXPECT_TRUE(dest);
   EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
-            FPDFDest_GetView(document(), dest, &numParams, params));
+            FPDFDest_GetView(dest, &numParams, params));
   EXPECT_EQ(3U, numParams);
   EXPECT_FLOAT_EQ(0, params[0]);
   EXPECT_FLOAT_EQ(0, params[1]);
@@ -72,7 +72,7 @@ TEST_F(FPDFDocEmbeddertest, DestGetView) {
   dest = FPDF_GetNamedDestByName(document(), "Next");
   EXPECT_TRUE(dest);
   EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_FIT),
-            FPDFDest_GetView(document(), dest, &numParams, params));
+            FPDFDest_GetView(dest, &numParams, params));
   EXPECT_EQ(0U, numParams);
   EXPECT_FLOAT_EQ(42.4242f, params[0]);
 
@@ -81,7 +81,7 @@ TEST_F(FPDFDocEmbeddertest, DestGetView) {
   dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
   EXPECT_TRUE(dest);
   EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
-            FPDFDest_GetView(document(), dest, &numParams, params));
+            FPDFDest_GetView(dest, &numParams, params));
   EXPECT_EQ(3U, numParams);
   EXPECT_FLOAT_EQ(200, params[0]);
   EXPECT_FLOAT_EQ(400, params[1]);
@@ -93,7 +93,7 @@ TEST_F(FPDFDocEmbeddertest, DestGetView) {
   dest = FPDF_GetNamedDestByName(document(), "LastAlternate");
   EXPECT_TRUE(dest);
   EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
-            FPDFDest_GetView(document(), dest, &numParams, params));
+            FPDFDest_GetView(dest, &numParams, params));
   EXPECT_EQ(3U, numParams);
   EXPECT_FLOAT_EQ(0, params[0]);
   EXPECT_FLOAT_EQ(0, params[1]);