diff --git a/patches/opencv-2.4.13.7-drawing-mono-font.patch b/patches/opencv-2.4.13.7-drawing-mono-font.patch
index 4d9aa7c1..a8c0fdff 100644
--- a/patches/opencv-2.4.13.7-drawing-mono-font.patch
+++ b/patches/opencv-2.4.13.7-drawing-mono-font.patch
@@ -29,8 +29,8 @@ diff -Nuarp opencv-2.4.13.7.orig/modules/core/src/drawing.cpp opencv-2.4.13.7/mo
                int thickness, int line_type, bool bottomLeftOrigin )
  
  {
-+    const int fontpixelsize = 8 * fontScale;
-+    const int base_line = 4 * fontScale;
++    const int fontpixelsize = (fontFace == 1 ? 8 : (fontFace == 5 ? 12 : 20)) * fontScale;
++    const int base_line = 0;
 +    const int yoffset = bottomLeftOrigin ? img.rows - org.y - fontpixelsize * 2 + base_line : org.y - fontpixelsize * 2 + base_line;
 +
 +    unsigned int _color = 0;
@@ -69,13 +69,13 @@ diff -Nuarp opencv-2.4.13.7.orig/modules/core/src/drawing.cpp opencv-2.4.13.7/mo
  
  Size getTextSize( const string& text, int fontFace, double fontScale, int thickness, int* _base_line)
  {
-+    const int fontpixelsize = 8 * fontScale;
++    const int fontpixelsize = (fontFace == 1 ? 8 : (fontFace == 5 ? 12 : 20)) * fontScale;
 +
 +    int w;
 +    int h;
 +    get_text_drawing_size(text.c_str(), fontpixelsize, &w, &h);
 +
-+    *_base_line = 4 * fontScale;
++    *_base_line = 0;
 +
 +    return Size(w, h);
 +#if 0
diff --git a/patches/opencv-3.4.20-drawing-mono-font.patch b/patches/opencv-3.4.20-drawing-mono-font.patch
index 06517bc1..165daca4 100644
--- a/patches/opencv-3.4.20-drawing-mono-font.patch
+++ b/patches/opencv-3.4.20-drawing-mono-font.patch
@@ -31,8 +31,8 @@ diff -Nuarp opencv-3.4.20.orig/modules/imgproc/src/drawing.cpp opencv-3.4.20/mod
      }
      Mat img = _img.getMat();
 +
-+    const int fontpixelsize = 8 * fontScale;
-+    const int base_line = 4 * fontScale;
++    const int fontpixelsize = (fontFace == 1 ? 8 : (fontFace == 5 ? 12 : 20)) * fontScale;
++    const int base_line = 0;
 +    const int yoffset = bottomLeftOrigin ? img.rows - org.y - fontpixelsize * 2 + base_line : org.y - fontpixelsize * 2 + base_line;
 +
 +    unsigned int _color = 0;
@@ -71,13 +71,13 @@ diff -Nuarp opencv-3.4.20.orig/modules/imgproc/src/drawing.cpp opencv-3.4.20/mod
  
  Size getTextSize( const String& text, int fontFace, double fontScale, int thickness, int* _base_line)
  {
-+    const int fontpixelsize = 8 * fontScale;
++    const int fontpixelsize = (fontFace == 1 ? 8 : (fontFace == 5 ? 12 : 20)) * fontScale;
 +
 +    int w;
 +    int h;
 +    get_text_drawing_size(text.c_str(), fontpixelsize, &w, &h);
 +
-+    *_base_line = 4 * fontScale;
++    *_base_line = 0;
 +
 +    return Size(w, h);
 +#if 0
diff --git a/patches/opencv-4.8.1-drawing-mono-font.patch b/patches/opencv-4.8.1-drawing-mono-font.patch
index c17d6b80..145392cb 100644
--- a/patches/opencv-4.8.1-drawing-mono-font.patch
+++ b/patches/opencv-4.8.1-drawing-mono-font.patch
@@ -31,8 +31,8 @@ diff -Nuarp opencv-4.8.1.orig/modules/imgproc/src/drawing.cpp opencv-4.8.1/modul
      }
      Mat img = _img.getMat();
 +
-+    const int fontpixelsize = 8 * fontScale;
-+    const int base_line = 4 * fontScale;
++    const int fontpixelsize = (fontFace == 1 ? 8 : (fontFace == 5 ? 12 : 20)) * fontScale;
++    const int base_line = 0;
 +    const int yoffset = bottomLeftOrigin ? img.rows - org.y - fontpixelsize * 2 + base_line : org.y - fontpixelsize * 2 + base_line;
 +
 +    unsigned int _color = 0;
@@ -71,13 +71,13 @@ diff -Nuarp opencv-4.8.1.orig/modules/imgproc/src/drawing.cpp opencv-4.8.1/modul
  
  Size getTextSize( const String& text, int fontFace, double fontScale, int thickness, int* _base_line)
  {
-+    const int fontpixelsize = 8 * fontScale;
++    const int fontpixelsize = (fontFace == 1 ? 8 : (fontFace == 5 ? 12 : 20)) * fontScale;
 +
 +    int w;
 +    int h;
 +    get_text_drawing_size(text.c_str(), fontpixelsize, &w, &h);
 +
-+    *_base_line = 4 * fontScale;
++    *_base_line = 0;
 +
 +    return Size(w, h);
 +#if 0