Merge pull request #41 from ncarrillo/feat-cairo-fontweight

Implemented FontWeight for Cairo/Pango

Cairo/Perspex.Cairo/CairoExtensions.cs

@@ -33,5 +33,28 @@ namespace Perspex.Cairo
                 Pango.Units.ToDouble(rect.Width),
                 Pango.Units.ToDouble(rect.Height));
         }
+
+        public static Pango.Weight ToCairo(this Perspex.Media.FontWeight weight)
+        {
+            if (weight == Perspex.Media.FontWeight.Light)
+                return Pango.Weight.Light;
+
+            if (weight == Perspex.Media.FontWeight.Normal || weight == Perspex.Media.FontWeight.Regular)
+                return Pango.Weight.Normal;
+
+            if (weight == Perspex.Media.FontWeight.DemiBold || weight == Perspex.Media.FontWeight.Medium)
+                return Pango.Weight.Semibold;
+
+            if (weight == Perspex.Media.FontWeight.Bold)
+                return Pango.Weight.Bold;
+
+            if (weight == Perspex.Media.FontWeight.UltraBold || weight == Perspex.Media.FontWeight.ExtraBold)
+                return Pango.Weight.Ultrabold;
+
+            if (weight == Perspex.Media.FontWeight.Black || weight == Perspex.Media.FontWeight.Heavy || weight == Perspex.Media.FontWeight.UltraBlack)
+                return Pango.Weight.Heavy;
+
+            return Pango.Weight.Ultralight;
+        }
     }
 }

Cairo/Perspex.Cairo/Media/FormattedTextImpl.cs

@@ -30,6 +30,7 @@ namespace Perspex.Cairo.Media
                 Family = fontFamily,
                 Size = Pango.Units.FromDouble(fontSize),
                 Style = (Pango.Style)fontStyle,
+                Weight = fontWeight.ToCairo()
             };
         }