Preview windows changes

src/preview/PreviewConfig.h

@@ -4,7 +4,7 @@
 
 namespace RenderCadenceCompositor
 {
-constexpr double kDefaultPreviewFps = 30.0;
+constexpr double kDefaultPreviewFps = 60.0;
 constexpr double kMinimumPreviewFps = 1.0;
 
 struct PreviewWindowConfig

src/preview/PreviewWindowThread.cpp

@@ -210,6 +210,10 @@ void PreviewWindowThread::Paint(HWND window)
 		frame.height > 0;
 	if (canPaintFrame)
 	{
+		const int previousStretchMode = SetStretchBltMode(dc, HALFTONE);
+		POINT previousBrushOrigin = {};
+		SetBrushOrgEx(dc, 0, 0, &previousBrushOrigin);
+
 		BITMAPINFO bitmapInfo = {};
 		bitmapInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 		bitmapInfo.bmiHeader.biWidth = static_cast<LONG>(frame.width);
@@ -232,6 +236,10 @@ void PreviewWindowThread::Paint(HWND window)
 			&bitmapInfo,
 			DIB_RGB_COLORS,
 			SRCCOPY);
+
+		if (previousStretchMode != 0)
+			SetStretchBltMode(dc, previousStretchMode);
+		SetBrushOrgEx(dc, previousBrushOrigin.x, previousBrushOrigin.y, nullptr);
 	}
 	else
 	{