Add tests of gradients with stops to the drawing sample.

This shows inconsistency in handling of radial gradients with and without
stops in current wxMSW GDI+-based wxGraphicsContext implementation.

See #16443.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77473 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2014-08-24 15:32:01 +00:00
parent e6cb2e4f8d
commit 018183a4d8

View File

@@ -1351,8 +1351,31 @@ void MyCanvas::DrawGradients(wxDC& dc)
pth.CloseSubpath();
gc->FillPath(pth);
wxGraphicsGradientStops simpleStops(*wxRED, *wxBLUE);
gfr.Offset(0, gfr.height + 10);
dc.DrawText(wxT("Radial Gradient with Stops"), gfr.x, gfr.y);
dc.DrawText(wxT("Radial Gradient from Red to Blue without intermediary Stops"),
gfr.x, gfr.y);
gfr.Offset(0, TEXT_HEIGHT);
gc->SetBrush(gc->CreateRadialGradientBrush(gfr.x + gfr.width / 2,
gfr.y + gfr.height / 2,
gfr.x + gfr.width / 2,
gfr.y + gfr.height / 2,
gfr.width / 2,
simpleStops));
pth = gc->CreatePath();
pth.MoveToPoint(gfr.x,gfr.y);
pth.AddLineToPoint(gfr.x + gfr.width,gfr.y);
pth.AddLineToPoint(gfr.x + gfr.width,gfr.y+gfr.height);
pth.AddLineToPoint(gfr.x,gfr.y+gfr.height);
pth.CloseSubpath();
gc->FillPath(pth);
gfr.Offset(0, gfr.height + 10);
dc.DrawText(wxT("Radial Gradient from Red to Blue with Yellow and Green Stops"),
gfr.x, gfr.y);
gfr.Offset(0, TEXT_HEIGHT);
gc->SetBrush(gc->CreateRadialGradientBrush(gfr.x + gfr.width / 2,