basic nc paint, moving, resizing for views_examples_exe on win non-aero

Pull over some code from native_widget_win to get aura drawing a bit better on Windows. There's still lots of things not working, but the sizing and painting work better now.


Review URL: https://chromiumcodereview.appspot.com/10662037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@147255 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 20 insertions, 0 deletions

diff --git a/ui/gfx/gdi_util.cc b/ui/gfx/gdi_util.cc
index 5ba5d72..f548628 100644
--- a/ui/gfx/gdi_util.cc
+++ b/ui/gfx/gdi_util.cc
@@ -4,6 +4,8 @@
 
 #include "ui/gfx/gdi_util.h"
 
+#include "base/memory/scoped_ptr.h"
+
 namespace gfx {
 
 void CreateBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr) {
@@ -76,6 +78,24 @@ void SubtractRectanglesFromRegion(HRGN hrgn,
   }
 }
 
+HRGN ConvertPathToHRGN(const gfx::Path& path) {
+#if defined(USE_AURA)
+  int point_count = path.getPoints(NULL, 0);
+  scoped_array<SkPoint> points(new SkPoint[point_count]);
+  path.getPoints(points.get(), point_count);
+  scoped_array<POINT> windows_points(new POINT[point_count]);
+  for (int i = 0; i < point_count; ++i) {
+    windows_points[i].x = SkScalarRound(points[i].fX);
+    windows_points[i].y = SkScalarRound(points[i].fY);
+  }
+
+  return ::CreatePolygonRgn(windows_points.get(), point_count, ALTERNATE);
+#elif defined(OS_WIN)
+  return path.CreateNativeRegion();
+#endif
+}
+
+
 double CalculatePageScale(HDC dc, int page_width, int page_height) {
   int dc_width = GetDeviceCaps(dc, HORZRES);
   int dc_height = GetDeviceCaps(dc, VERTRES);