Remove CXFA_Graphics::StretchImage() and related code.

It is never used.

Change-Id: I46c8202cb9e449317fdc1889ff9a610d5ea15d92
Reviewed-on: https://pdfium-review.googlesource.com/22910
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

4 files changed, 1 insertions, 48 deletions

diff --git a/xfa/fwl/cfwl_themebackground.h b/xfa/fwl/cfwl_themebackground.h
index 81fa0a2212..33a0e857f2 100644
--- a/xfa/fwl/cfwl_themebackground.h
+++ b/xfa/fwl/cfwl_themebackground.h
@@ -10,7 +10,6 @@
 #include "core/fxge/fx_dib.h"
 #include "xfa/fwl/cfwl_themepart.h"
 
-class CFX_DIBitmpa;
 class CXFA_Graphics;
 class CXFA_GEPath;
 
@@ -21,7 +20,6 @@ class CFWL_ThemeBackground : public CFWL_ThemePart {
 
   CXFA_Graphics* m_pGraphics;
   CXFA_GEPath* m_pPath;
-  RetainPtr<CFX_DIBitmap> m_pImage;
 };
 
 inline CFWL_ThemeBackground::CFWL_ThemeBackground()
diff --git a/xfa/fwl/theme/cfwl_listboxtp.cpp b/xfa/fwl/theme/cfwl_listboxtp.cpp
index c977b21120..6b8aa768a5 100644
--- a/xfa/fwl/theme/cfwl_listboxtp.cpp
+++ b/xfa/fwl/theme/cfwl_listboxtp.cpp
@@ -39,11 +39,6 @@ void CFWL_ListBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
                       &pParams->m_rtPart, pParams->m_pData, &pParams->m_matrix);
       break;
     }
-    case CFWL_Part::Icon: {
-      pParams->m_pGraphics->StretchImage(pParams->m_pImage, pParams->m_rtPart,
-                                         pParams->m_matrix);
-      break;
-    }
     case CFWL_Part::Check: {
       uint32_t color = 0xFF000000;
       if (pParams->m_dwStates == CFWL_PartState_Checked) {
diff --git a/xfa/fxgraphics/cxfa_graphics.cpp b/xfa/fxgraphics/cxfa_graphics.cpp
index 66a109ddaa..47517309b7 100644
--- a/xfa/fxgraphics/cxfa_graphics.cpp
+++ b/xfa/fxgraphics/cxfa_graphics.cpp
@@ -11,6 +11,7 @@
 #include "core/fxge/cfx_defaultrenderdevice.h"
 #include "core/fxge/cfx_renderdevice.h"
 #include "core/fxge/cfx_unicodeencoding.h"
+#include "core/fxge/dib/cfx_dibitmap.h"
 #include "third_party/base/ptr_util.h"
 #include "xfa/fxgraphics/cxfa_gecolor.h"
 #include "xfa/fxgraphics/cxfa_gepath.h"
@@ -194,15 +195,6 @@ void CXFA_Graphics::FillPath(CXFA_GEPath* path,
     RenderDeviceFillPath(path, fillMode, matrix);
 }
 
-void CXFA_Graphics::StretchImage(const RetainPtr<CFX_DIBSource>& source,
-                                 const CFX_RectF& rect,
-                                 const CFX_Matrix& matrix) {
-  if (!source)
-    return;
-  if (m_type == FX_CONTEXT_Device && m_renderDevice)
-    RenderDeviceStretchImage(source, rect, matrix);
-}
-
 void CXFA_Graphics::ConcatMatrix(const CFX_Matrix* matrix) {
   if (!matrix)
     return;
@@ -304,31 +296,6 @@ void CXFA_Graphics::RenderDeviceFillPath(const CXFA_GEPath* path,
   }
 }
 
-void CXFA_Graphics::RenderDeviceStretchImage(
-    const RetainPtr<CFX_DIBSource>& source,
-    const CFX_RectF& rect,
-    const CFX_Matrix& matrix) {
-  CFX_Matrix m1(m_info.CTM.a, m_info.CTM.b, m_info.CTM.c, m_info.CTM.d,
-                m_info.CTM.e, m_info.CTM.f);
-  m1.Concat(matrix);
-
-  RetainPtr<CFX_DIBitmap> bmp1 =
-      source->StretchTo(static_cast<int32_t>(rect.Width()),
-                        static_cast<int32_t>(rect.Height()), 0, nullptr);
-  CFX_Matrix m2(rect.Width(), 0.0, 0.0, rect.Height(), rect.left, rect.top);
-  m2.Concat(m1);
-
-  int32_t left;
-  int32_t top;
-  RetainPtr<CFX_DIBitmap> bmp2 = bmp1->FlipImage(false, true);
-  RetainPtr<CFX_DIBitmap> bmp3 = bmp2->TransformTo(&m2, &left, &top);
-  CFX_RectF r = GetClipRect();
-  RetainPtr<CFX_DIBitmap> bitmap = m_renderDevice->GetBitmap();
-  bitmap->CompositeBitmap(FXSYS_round(r.left), FXSYS_round(r.top),
-                          FXSYS_round(r.Width()), FXSYS_round(r.Height()), bmp3,
-                          FXSYS_round(r.left - left), FXSYS_round(r.top - top));
-}
-
 void CXFA_Graphics::FillPathWithPattern(const CXFA_GEPath* path,
                                         FX_FillMode fillMode,
                                         const CFX_Matrix& matrix) {
diff --git a/xfa/fxgraphics/cxfa_graphics.h b/xfa/fxgraphics/cxfa_graphics.h
index 16cd123fc7..c8843bc87d 100644
--- a/xfa/fxgraphics/cxfa_graphics.h
+++ b/xfa/fxgraphics/cxfa_graphics.h
@@ -15,7 +15,6 @@
 #include "core/fxge/cfx_graphstatedata.h"
 #include "core/fxge/cfx_renderdevice.h"
 #include "core/fxge/fx_dib.h"
-#include "core/fxge/fx_font.h"
 #include "xfa/fxgraphics/cxfa_gecolor.h"
 
 class CXFA_GEPath;
@@ -65,9 +64,6 @@ class CXFA_Graphics {
   void FillPath(CXFA_GEPath* path,
                 FX_FillMode fillMode,
                 const CFX_Matrix* matrix);
-  void StretchImage(const RetainPtr<CFX_DIBSource>& source,
-                    const CFX_RectF& rect,
-                    const CFX_Matrix& matrix);
   void ConcatMatrix(const CFX_Matrix* matrix);
 
  protected:
@@ -92,9 +88,6 @@ class CXFA_Graphics {
   void RenderDeviceFillPath(const CXFA_GEPath* path,
                             FX_FillMode fillMode,
                             const CFX_Matrix* matrix);
-  void RenderDeviceStretchImage(const RetainPtr<CFX_DIBSource>& source,
-                                const CFX_RectF& rect,
-                                const CFX_Matrix& matrix);
 
   void FillPathWithPattern(const CXFA_GEPath* path,
                            FX_FillMode fillMode,