Remove useless CGdiDisplayDriver::StretchDIBits() params

- Remove the clip rect pointer that is unused by StretchDIBits().
- Remove the option that is always empty from the only caller. Then
  code in StretchDIBits() that handles options can be removed.

Change-Id: I87a55d844af4ccd070688f06eab0bf00e6ab1dec
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/122352
Reviewed-by: Tom Sepez <tsepez@google.com>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

core/fxge/win32/cgdi_display_driver.cpp

diff --git a/core/fxge/win32/cgdi_display_driver.cpp b/core/fxge/win32/cgdi_display_driver.cpp
index 0d4dd43..f5aefcb 100644
--- a/core/fxge/win32/cgdi_display_driver.cpp
+++ b/core/fxge/win32/cgdi_display_driver.cpp
@@ -203,9 +203,9 @@
     auto* pPlatform =
         static_cast<CWin32Platform*>(CFX_GEModule::Get()->GetPlatform());
     if (pPlatform->m_GdiplusExt.IsAvailable()) {
-      return pPlatform->m_GdiplusExt.StretchDIBits(
-          m_hDC, std::move(bitmap), dest_left, dest_top, dest_width,
-          dest_height, pClipRect, FXDIB_ResampleOptions());
+      return pPlatform->m_GdiplusExt.StretchDIBits(m_hDC, std::move(bitmap),
+                                                   dest_left, dest_top,
+                                                   dest_width, dest_height);
     }
     return UseFoxitStretchEngine(std::move(bitmap), color, dest_left, dest_top,
                                  dest_width, dest_height, pClipRect,

core/fxge/win32/cgdi_plus_ext.cpp

diff --git a/core/fxge/win32/cgdi_plus_ext.cpp b/core/fxge/win32/cgdi_plus_ext.cpp
index 716ef5a..1cfe68e 100644
--- a/core/fxge/win32/cgdi_plus_ext.cpp
+++ b/core/fxge/win32/cgdi_plus_ext.cpp
@@ -546,19 +546,14 @@
                                 int dest_left,
                                 int dest_top,
                                 int dest_width,
-                                int dest_height,
-                                const FX_RECT* pClipRect,
-                                const FXDIB_ResampleOptions& options) {
+                                int dest_height) {
   CHECK(source->IsAlphaFormat());
   Gdiplus::GpGraphics* pGraphics;
   const CGdiplusExt& GdiplusExt = GetGdiplusExt();
   CallFunc(GdipCreateFromHDC)(hDC, &pGraphics);
   CallFunc(GdipSetPageUnit)(pGraphics, Gdiplus::UnitPixel);
-  if (options.bNoSmoothing) {
-    CallFunc(GdipSetInterpolationMode)(
-        pGraphics, Gdiplus::InterpolationModeNearestNeighbor);
-  } else if (source->GetWidth() > abs(dest_width) / 2 ||
-             source->GetHeight() > abs(dest_height) / 2) {
+  if (source->GetWidth() > abs(dest_width) / 2 ||
+      source->GetHeight() > abs(dest_height) / 2) {
     CallFunc(GdipSetInterpolationMode)(pGraphics,
                                        Gdiplus::InterpolationModeHighQuality);
   } else {

core/fxge/win32/cgdi_plus_ext.h

diff --git a/core/fxge/win32/cgdi_plus_ext.h b/core/fxge/win32/cgdi_plus_ext.h
index bb8fd8e..8f8e754 100644
--- a/core/fxge/win32/cgdi_plus_ext.h
+++ b/core/fxge/win32/cgdi_plus_ext.h
@@ -20,8 +20,6 @@
 class CFX_Matrix;
 class CFX_Path;
 struct CFX_FillRenderOptions;
-struct FXDIB_ResampleOptions;
-struct FX_RECT;
 
 class CGdiplusExt {
  public:
@@ -35,9 +33,7 @@
                      int dest_left,
                      int dest_top,
                      int dest_width,
-                     int dest_height,
-                     const FX_RECT* pClipRect,
-                     const FXDIB_ResampleOptions& options);
+                     int dest_height);
   bool DrawPath(HDC hDC,
                 const CFX_Path& path,
                 const CFX_Matrix* pObject2Device,