Windows: Use TextRenderingHint_AntiAlias, fixes #83

2 files changed, 3 insertions, 0 deletions

diff --git a/src/nigui/private/windows/platform_impl.nim b/src/nigui/private/windows/platform_impl.nim
index 80368c6..4799126 100755
--- a/src/nigui/private/windows/platform_impl.nim
+++ b/src/nigui/private/windows/platform_impl.nim
@@ -766,6 +766,7 @@ method resize(image: Image, width, height: int) =
   pCheckGdiplusStatus(GdipGetImageGraphicsContext(canvas.fBitmap, canvas.fGraphics)) # it's a new Graphic
   image.canvas.fWidth = width
   image.canvas.fHeight = height
+  pCheckGdiplusStatus(GdipSetTextRenderingHint(canvas.fGraphics, TextRenderingHint_AntiAlias))
 
 method loadFromFile(image: Image, filePath: string) =
   let canvas = cast[CanvasImpl](image.canvas)
diff --git a/src/nigui/private/windows/windows.nim b/src/nigui/private/windows/windows.nim
index 634af9c..dab2d2d 100755
--- a/src/nigui/private/windows/windows.nim
+++ b/src/nigui/private/windows/windows.nim
@@ -216,6 +216,7 @@ const
   PROCESS_PER_MONITOR_DPI_AWARE* = 2
   FontStyleRegular* = 0
   FontStyleBold* = 1
+  TextRenderingHint_AntiAlias* = 4
 
 
 # ----------------------------------------------------------------------------------------
@@ -536,6 +537,7 @@ proc GdipCreateFontFamilyFromName*(name: cstring, fontCollection: pointer, fontF
 proc GdipDeleteFontFamily*(fontFamily: pointer): int32 {.importc, libGdiplus.}
 proc GdipBitmapLockBits*(bitmap: pointer, rect: var Rect, flags: int32, format: int32, lockedBitmapData: var BitmapData): int32 {.importc, libGdiplus.}
 proc GdipBitmapUnlockBits*(bitmap: pointer, lockedBitmapData: var BitmapData): int32 {.importc, libGdiplus.}
+proc GdipSetTextRenderingHint*(graphics: pointer, mode: int32): int32 {.importc, libGdiplus.}
 
 
 # ----------------------------------------------------------------------------------------