From 4c9a24bf71799966ef838f8e85ef65e660c6b2a2 Mon Sep 17 00:00:00 2001
From: Elena Subbotina <Elena.Subbotina@onlyoffice.com>
Date: Mon, 15 Dec 2025 21:07:19 +0300
Subject: [PATCH] fix bug #78986

---
 MsBinaryFile/PptFile/Drawing/Attributes.h           |  2 ++
 MsBinaryFile/PptFile/PPTXWriter/ShapeWriter.cpp     | 13 +++++++------
 .../PptFile/Records/Drawing/ShapeContainer.cpp      |  1 +
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/MsBinaryFile/PptFile/Drawing/Attributes.h b/MsBinaryFile/PptFile/Drawing/Attributes.h
index 7029dedc8d..be84015200 100644
--- a/MsBinaryFile/PptFile/Drawing/Attributes.h
+++ b/MsBinaryFile/PptFile/Drawing/Attributes.h
@@ -730,6 +730,7 @@ namespace ODRAW
         Gdiplus::RectF	Rect;
 
         double			LinearAngle;
+        int             Focus;
 
         std::vector<std::pair<CColor, double>> ColorsPosition;
 
@@ -815,6 +816,7 @@ namespace ODRAW
             TextureMode = c_BrushTextureModeStretch;
 
             LinearAngle = 0;
+            Focus = 0;
 
             TexturePath = L"";
 
diff --git a/MsBinaryFile/PptFile/PPTXWriter/ShapeWriter.cpp b/MsBinaryFile/PptFile/PPTXWriter/ShapeWriter.cpp
index c22e19b8f0..a933d28545 100644
--- a/MsBinaryFile/PptFile/PPTXWriter/ShapeWriter.cpp
+++ b/MsBinaryFile/PptFile/PPTXWriter/ShapeWriter.cpp
@@ -349,17 +349,18 @@ std::wstring PPT::CShapeWriter::ConvertBrush(CBrush & brush)
         brush_writer.WriteString(L"</a:gsLst>");
         brush_writer.WriteString(L"<a:lin ang=\"");
         {
-            if (brush.LinearAngle < -180)	brush.LinearAngle += 180;
-            if (brush.LinearAngle > 180)	brush.LinearAngle -= 180;
+            double val = 360 - brush.LinearAngle;
+            val += 90;
 
-            double val = (90 - brush.LinearAngle) ;
-            if (val < 0)	val = 0;
-            if (val > 360)	val -= 360;
+            if (val < 0)	val += 360;
+            if (val >= 360)	val -= 360;
 
             std::wstring str = std::to_wstring((int)(val * 60000));
             brush_writer.WriteString(str);
         }
-        brush_writer.WriteString(L"\" scaled=\"1\"/>");
+        brush_writer.WriteString(L"\"");
+        //brush_writer.WriteString(L" scaled = \"1\"");
+        brush_writer.WriteString(L"/>");
         brush_writer.WriteString(L"</a:gradFill>");
     }
     else if(brush.Type == c_BrushTypePattern)
diff --git a/MsBinaryFile/PptFile/Records/Drawing/ShapeContainer.cpp b/MsBinaryFile/PptFile/Records/Drawing/ShapeContainer.cpp
index 943c00f334..8922864748 100644
--- a/MsBinaryFile/PptFile/Records/Drawing/ShapeContainer.cpp
+++ b/MsBinaryFile/PptFile/Records/Drawing/ShapeContainer.cpp
@@ -513,6 +513,7 @@ void CPPTElement::SetUpProperty(CElementPtr pElement, CTheme* pTheme, CSlideInfo
     }break;
     case fillFocus://relative position of the last color in the shaded fill
     {
+        pElement->m_oBrush.Focus = pProperty->m_lValue;
     }break;
     case fillShadePreset:
     {//value (int) from 0x00000088 through 0x0000009F or complex