AuroraMiddleware/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add example of using a gradient pen to the drawing sample

Browse Source
This commit is contained in:
Robin Dunn 2019-09-03 16:33:42 -07:00 committed by Robin Dunn
parent 699f019c76
commit df31204f98
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
samples/drawing/drawing.cpp
View File

@ -1638,6 +1638,29 @@ void MyCanvas::DrawGradients(wxDC& dc)
pth.GetBox(&boxX, &boxY, &boxWidth, &boxHeight);
dc.CalcBoundingBox(wxRound(boxX), wxRound(boxY));
dc.CalcBoundingBox(wxRound(boxX+boxWidth), wxRound(boxY+boxHeight));
gfr.Offset(0, gfr.height + 10);
dc.DrawText("Stroked path with a gradient pen", gfr.x, gfr.y);
gfr.Offset(0, TEXT_HEIGHT);
pth = gc->CreatePath();
pth.MoveToPoint(gfr.x + gfr.width/2, gfr.y);
pth.AddLineToPoint(gfr.x + gfr.width, gfr.y + gfr.height/2);
pth.AddLineToPoint(gfr.x + gfr.width/2, gfr.y + gfr.height);
pth.AddLineToPoint(gfr.x, gfr.y + gfr.height/2);
pth.CloseSubpath();
stops = wxGraphicsGradientStops(*wxRED, *wxBLUE);
stops.Add(wxColour(255,255,0), 0.33f);
stops.Add(*wxGREEN, 0.67f);
wxGraphicsPen pen = gc->CreatePen(
wxGraphicsPenInfo(wxColour(0,0,0)).Width(6).Join(wxJOIN_BEVEL).LinearGradient(
gfr.x + gfr.width/2, gfr.y,
gfr.x + gfr.width/2, gfr.y + gfr.height,
stops));
gc->SetPen(pen);
gc->StrokePath(pth);
}
#endif // wxUSE_GRAPHICS_CONTEXT
}