WMF/EMF Convert all index type of Objects to unsigned

Based on WMF and EMF documentation, all indexes should be unsigned.
With this commit it was applied, which simplifies code.

Change-Id: I3257da7e595ace45622c6d865fd4b034dc605cb8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113039
Tested-by: Jenkins
Reviewed-by: Bartosz Kosiorek <gang65@poczta.onet.pl>

3 files changed, 26 insertions, 14 deletions

diff --git a/emfio/inc/mtftools.hxx b/emfio/inc/mtftools.hxx
index 286442767d3a..2d31fe4ef4ad 100644
--- a/emfio/inc/mtftools.hxx
+++ b/emfio/inc/mtftools.hxx
@@ -605,11 +605,11 @@ namespace emfio
         void                SetTextAlign(sal_uInt32 nAlign);
 
         void                CreateObject(std::unique_ptr<GDIObj> pObject);
-        void                CreateObjectIndexed(sal_Int32 nIndex, std::unique_ptr<GDIObj> pObject);
+        void                CreateObjectIndexed(sal_uInt32 nIndex, std::unique_ptr<GDIObj> pObject);
         void                CreateObject();
 
-        void                DeleteObject(sal_Int32 nIndex);
-        void                SelectObject(sal_Int32 nIndex);
+        void                DeleteObject(sal_uInt32 nIndex);
+        void                SelectObject(sal_uInt32 nIndex);
         rtl_TextEncoding    GetCharSet() const { return maFont.GetCharSet(); };
         const vcl::Font&    GetFont() const { return maFont; }
         void                SetTextLayoutMode(ComplexTextLayoutFlags nLayoutMode);
diff --git a/emfio/source/reader/mtftools.cxx b/emfio/source/reader/mtftools.cxx
index fdb8496f1563..5a2f5d1ca806 100644
--- a/emfio/source/reader/mtftools.cxx
+++ b/emfio/source/reader/mtftools.cxx
@@ -782,10 +782,11 @@ namespace emfio
         return rPolyPolygon;
     }
 
-    void MtfTools::SelectObject( sal_Int32 nIndex )
+    void MtfTools::SelectObject( sal_uInt32 nIndex )
     {
         if ( nIndex & ENHMETA_STOCK_OBJECT )
         {
+            SAL_INFO ( "emfio", "\t\t ENHMETA_STOCK_OBJECT, StockObject Enumeration: 0x" << std::hex  << nIndex );
             sal_uInt16 nStockId = static_cast<sal_uInt8>(nIndex);
             switch( nStockId )
             {
@@ -802,12 +803,17 @@ namespace emfio
                 }
                 break;
                 case GRAY_BRUSH :
-                case DKGRAY_BRUSH :
                 {
                     maFillStyle = WinMtfFillStyle( COL_GRAY );
                     mbFillStyleSelected = true;
                 }
                 break;
+                case DKGRAY_BRUSH :
+                {
+                    maFillStyle = WinMtfFillStyle( COL_GRAY7 );
+                    mbFillStyleSelected = true;
+                }
+                break;
                 case BLACK_BRUSH :
                 {
                     maFillStyle = WinMtfFillStyle( COL_BLACK );
@@ -845,13 +851,19 @@ namespace emfio
 
             GDIObj *pGDIObj = nullptr;
 
-            if ( o3tl::make_unsigned(nIndex) < mvGDIObj.size() )
+            if ( nIndex < mvGDIObj.size() )
                 pGDIObj = mvGDIObj[ nIndex ].get();
 
             if ( pGDIObj )
             {
+
+                SAL_INFO ( "emfio", "\t\t Index: " << nIndex );
                 if (const auto pen = dynamic_cast<WinMtfLineStyle*>(pGDIObj))
+                {
                     maLineStyle = *pen;
+                    SAL_INFO ( "emfio", "\t Line Style, Color: 0x" << std::hex << maLineStyle.aLineColor
+                                        << ", Weight: " << maLineStyle.aLineInfo.GetWidth() );
+                }
                 else if (const auto brush = dynamic_cast<WinMtfFillStyle*>(
                              pGDIObj))
                 {
@@ -958,7 +970,7 @@ namespace emfio
         mvGDIObj[ nIndex ] = std::move(pObject);
     }
 
-    void MtfTools::CreateObjectIndexed( sal_Int32 nIndex, std::unique_ptr<GDIObj> pObject )
+    void MtfTools::CreateObjectIndexed( sal_uInt32 nIndex, std::unique_ptr<GDIObj> pObject )
     {
         if ( ( nIndex & ENHMETA_STOCK_OBJECT ) != 0 )
             return;
@@ -989,7 +1001,7 @@ namespace emfio
                 }
             }
         }
-        if ( o3tl::make_unsigned(nIndex) >= mvGDIObj.size() )
+        if ( nIndex >= mvGDIObj.size() )
             ImplResizeObjectArry( nIndex + 16 );
 
         mvGDIObj[ nIndex ] = std::move(pObject);
@@ -1000,11 +1012,11 @@ namespace emfio
         CreateObject(std::make_unique<GDIObj>());
     }
 
-    void MtfTools::DeleteObject( sal_Int32 nIndex )
+    void MtfTools::DeleteObject( sal_uInt32 nIndex )
     {
         if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 )
         {
-            if ( o3tl::make_unsigned(nIndex) < mvGDIObj.size() )
+            if ( nIndex < mvGDIObj.size() )
             {
                 mvGDIObj[ nIndex ].reset();
             }
diff --git a/emfio/source/reader/wmfreader.cxx b/emfio/source/reader/wmfreader.cxx
index 0d79b19a33ae..1da3eda3fb1d 100644
--- a/emfio/source/reader/wmfreader.cxx
+++ b/emfio/source/reader/wmfreader.cxx
@@ -775,8 +775,8 @@ namespace emfio
 
             case W_META_SELECTOBJECT:
             {
-                sal_Int16   nObjIndex = 0;
-                mpInputStream->ReadInt16( nObjIndex );
+                sal_uInt16   nObjIndex = 0;
+                mpInputStream->ReadUInt16( nObjIndex );
                 SelectObject( nObjIndex );
             }
             break;
@@ -943,8 +943,8 @@ namespace emfio
 
             case W_META_DELETEOBJECT:
             {
-                sal_Int16 nIndex = 0;
-                mpInputStream->ReadInt16( nIndex );
+                sal_uInt16 nIndex = 0;
+                mpInputStream->ReadUInt16( nIndex );
                 DeleteObject( nIndex );
             }
             break;