private static void SetupOpenGl()
{
// Set up caps
GL.Disable(EnableCap.DepthTest);
GL.Enable(EnableCap.RescaleNormal);
// Set up blending
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
// Set background color
GL.ClearColor(Color.White);
GlNanoVG.nvgCreateGL(ref Nvg, (int)NvgCreateFlags.AntiAlias | (int)NvgCreateFlags.StencilStrokes);
var rSans = NanoVG.nvgCreateFont(Nvg, "sans",
$"Resources{Path.DirectorySeparatorChar}Fonts{Path.DirectorySeparatorChar}latosemi.ttf");
if (rSans == -1)
{
Lumberjack.Error("Unable to load sans");
}
}
private void LoadHandler(object sender, EventArgs e)
{
// Set up caps
GL.Disable(EnableCap.DepthTest);
GL.Enable(EnableCap.RescaleNormal);
// Set up blending
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
// Set background color
GL.ClearColor(Color.White);
// Init keyboard to ensure first frame won't NPE
_keyboard = Keyboard.GetState();
_mouse = Mouse.GetState();
GlNanoVG.nvgCreateGL(ref _nvg, (int)NvgCreateFlags.AntiAlias | (int)NvgCreateFlags.StencilStrokes);
NanoVG.nvgStrokeWidth(_nvg, 1);
NanoVG.nvgStrokeColor(_nvg, NanoVG.nvgRGBA(0, 0, 0, 255));
_simulator = new Simulator();
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
GL.ClearColor(Color.Cornsilk);
GlNanoVG.nvgCreateGL(ref ctx, (int)NVGcreateFlags.NVG_ANTIALIAS |
(int)NVGcreateFlags.NVG_STENCIL_STROKES |
(int)NVGcreateFlags.NVG_DEBUG);
Fonts.Load(ctx, "sans", "Roboto-Regular.ttf");
Fonts.Load(ctx, "sans-bold", "Roboto-Bold.ttf");
Fonts.Load(ctx, "icons", "entypo.ttf");
screen = new Widget()
.WithLocalPosition(Vector2.Zero)
.WithSize(new Vector2(this.Width, this.Height));
{
Window window = screen.AddNewWidget <Window> ();
window.WithTitle("Button demo")
.WithLocalPosition(new Vector2(15f, 50f))
.WithSize(new Vector2(250f, 400f))
.WithLayout(new GroupLayout());
// -- Push buttons
window.AddNewWidget <Label> ()
.WithCaption("Push buttons")
.WithFont("sans-bold");
window.AddNewWidget <Button> ()
.WithCaption("Plain button")
.WithClickCallback((btn) => Console.WriteLine("Click!"));
window.AddNewWidget <Button> ()
.WithCaption("Styled")
.WithIcon((int)MonoNanoGUI.Font.Entypo.ICON_ROCKET, Button.IconAnchorType.LeftCentered);
// -- Toggle buttons
window.AddNewWidget <Label> ()
.WithCaption("Toggle buttons")
.WithFont("sans-bold");
window.AddNewWidget <Button> ()
.WithFlags(Button.Flags.ToggleButton)
.WithCaption("Toggle me");
// -- Radio buttons
window.AddNewWidget <Label> ()
.WithCaption("Radio buttons")
.WithFont("sans-bold");
window.AddNewWidget <Button> ()
.WithCaption("Radio button 1")
.WithFlags(Button.Flags.RadioButton);
window.AddNewWidget <Button> ()
.WithCaption("Radio button 2")
.WithFlags(Button.Flags.RadioButton);
// -- Tool buttons palette
window.AddNewWidget <Label> ()
.WithCaption("A tool palette")
.WithFont("sans-bold");
Widget tools = window.AddNewWidget <Widget> ()
.WithLayout(new BoxLayout(Layout.Orientation.Horizontal, Layout.Alignment.Middle, 0, 6));
tools.AddChild(Button.MakeToolButton((int)MonoNanoGUI.Font.Entypo.ICON_CLOUD));
tools.AddChild(Button.MakeToolButton((int)MonoNanoGUI.Font.Entypo.ICON_FF));
tools.AddChild(Button.MakeToolButton((int)MonoNanoGUI.Font.Entypo.ICON_COMPASS));
tools.AddChild(Button.MakeToolButton((int)MonoNanoGUI.Font.Entypo.ICON_INSTALL));
// -- Popup buttons
window.AddNewWidget <Label> ()
.WithCaption("Popup buttons")
.WithFont("sans-bold");
PopupButton pButton = window.AddNewWidget <PopupButton> ()
.WithIcon((int)MonoNanoGUI.Font.Entypo.ICON_EXPORT)
.WithCaption("Popup")
as PopupButton;
pButton.popup.WithLayout(new GroupLayout());
pButton.popup.AddNewWidget <Label> ()
.WithCaption("Arbitrary widgets can be placed here");
pButton.popup.AddNewWidget <CheckBox> ()
.WithCaption("A check box");
PopupButton rpButton = pButton.popup.AddNewWidget <PopupButton> ()
.WithIcon((int)MonoNanoGUI.Font.Entypo.ICON_FLASH)
.WithCaption("Recursive popup")
as PopupButton;
rpButton.popup.WithLayout(new GroupLayout());
rpButton.popup.AddNewWidget <CheckBox> ()
.WithCaption("Another check box");
}
screen.PerformLayout(ctx);
PerfGraph.InitGraph((int)GraphrenderStyle.GRAPH_RENDER_FPS, "FPS");
Console.WriteLine("Load");
//Console.WriteLine ("Test Unicode to UTF8 = " + Fonts.UnicodeToUTF8 (0).Length);
}
