Properly scale fixed pitch fonts

6 years ago · 51437baf73
1 changed files with 3 additions and 1 deletions
--- a/src/Windows/Avalonia.Direct2D1/Direct2D1Platform.cs
+++ b/src/Windows/Avalonia.Direct2D1/Direct2D1Platform.cs
@ -238,11 +238,13 @@ namespace Avalonia.Direct2D1

            width = 0;

+            var scale = (float)(glyphRun.FontRenderingEmSize / glyphTypeface.DesignEmHeight);
+
            if (glyphRun.GlyphAdvances.IsEmpty)
            {
                for (var i = 0; i < glyphCount; i++)
                {
-                    var advance = glyphTypeface.GetGlyphAdvance(glyphRun.GlyphIndices[i]);
+                    var advance = glyphTypeface.GetGlyphAdvance(glyphRun.GlyphIndices[i]) * scale;

                    run.Advances[i] = advance;