public NuklearContext(Game game)
{
ConvertConfig = new nk_convert_config
{
global_alpha = 1f,
shape_AA = NK_ANTI_ALIASING_ON,
line_AA = NK_ANTI_ALIASING_ON,
circle_segment_count = 22,
curve_segment_count = 22,
arc_segment_count = 22
};
_game = game;
_effect = new Effect(game.GraphicsDevice, Resources.EffectSource);
_textureParam = _effect.Parameters["g_texture"];
_transformParam = _effect.Parameters["g_transform"];
_techniqueColor = _effect.Techniques["Color"];
_techniqueTexture = _effect.Techniques["Texture"];
draw_list = new DrawList(game.GraphicsDevice);
this.StyleDefault();
seq = 1;
}
internal void Setup(nk_convert_config config, Buffer <DrawCommand> cmds,
Buffer <Vertex> vertices, Buffer <short> elements, int line_aa, int shape_aa)
{
if (config == null || cmds == null || vertices == null || elements == null)
{
return;
}
_buffer = cmds;
_config = config;
_elements = elements;
_vertices = vertices;
_lineAA = line_aa;
_shapeAA = shape_aa;
_clipRect = RectangleF.Null;
}
internal uint nk_convert(Buffer <DrawCommand> cmds, Buffer <Vertex> vertices,
Buffer <short> elements, nk_convert_config config)
{
var res = (uint)NK_CONVERT_SUCCESS;
if (cmds == null || vertices == null || elements == null || config == null)
{
return(NK_CONVERT_INVALID_PARAM);
}
draw_list.Setup(config, cmds, vertices, elements, config.line_AA, config.shape_AA);
var top_window = nk__begin();
var cnt = 0;
for (var cmd = top_window.Value.Buffer.First; cmd != null; cmd = cmd.Next)
{
switch (cmd.Type)
{
case CommandType.Nop:
break;
case CommandType.Scissor:
{
var s = (CommandScissor)cmd;
draw_list.AddClip(
new RectangleF(s.X, s.Y, s.Width, s.Height));
}
break;
case CommandType.Line:
{
var l = (CommandLine)cmd;
draw_list.StrokeLine(new Vector2(l.Begin.X, l.Begin.Y),
new Vector2(l.End.X, l.End.Y), l.Color, l.LineThickness);
}
break;
case CommandType.Curve:
{
var q = (CommandCurve)cmd;
draw_list.StrokeCurve(new Vector2(q.Begin.X, q.Begin.Y),
new Vector2(q.Ctrl0.X, q.Ctrl0.Y),
new Vector2(q.Ctrl1.X, q.Ctrl1.Y),
new Vector2(q.End.X, q.End.Y), q.Color,
config.curve_segment_count, q.LineThickness);
}
break;
case CommandType.Rect:
{
var r = (CommandRect)cmd;
draw_list.StrokeRect(
new RectangleF(r.X, r.Y, r.Width, r.Height), r.Color,
r.Rounding, r.LineThickness);
}
break;
case CommandType.RectFilled:
{
var r = (CommandRectFilled)cmd;
draw_list.FillRect(
new RectangleF(r.X, r.Y, r.Width, r.Height), r.Color,
r.Rounding);
}
break;
case CommandType.RectMultiColor:
{
var r = (CommandRectMultiColor)cmd;
draw_list.FillRectMultiColor(
new RectangleF(r.X, r.Y, r.Width, r.Height), r.Left,
r.Top, r.Right, r.Bottom);
}
break;
case CommandType.Circle:
{
var c = (CommandCircle)cmd;
draw_list.StrokeCircle(
new Vector2(c.X + (float)c.Width / 2, c.Y + (float)c.Height / 2),
(float)c.Width / 2, c.Color, config.circle_segment_count, c.LineThickness);
}
break;
case CommandType.CircleFilled:
{
var c = (CommandCircleFilled)cmd;
draw_list.FillCircle(
new Vector2(c.X + (float)c.Width / 2, c.Y + (float)c.Height / 2),
(float)c.Width / 2, c.Color, config.circle_segment_count);
}
break;
case CommandType.Arc:
{
var c = (CommandArc)cmd;
draw_list.PathLineTo(new Vector2(c.X, c.Y));
draw_list.PathArcTo(new Vector2(c.X, c.Y), c.Radius,
c.AngleMin, c.AngleMax, config.arc_segment_count);
draw_list.PathStroke(c.Color, NK_STROKE_CLOSED, c.LineThickness);
}
break;
case CommandType.ArcFilled:
{
var c = (CommandArcFilled)cmd;
draw_list.PathLineTo(new Vector2(c.X, c.Y));
draw_list.PathArcTo(new Vector2(c.X, c.Y), c.Radius,
c.AngleMin, c.AngleMax, config.arc_segment_count);
draw_list.PathFill(c.Color);
}
break;
case CommandType.Triangle:
{
var t = (CommandTriangle)cmd;
draw_list.StrokeTriangle(new Vector2(t.A.X, t.A.Y),
new Vector2(t.B.X, t.B.Y), new Vector2(t.C.X, t.C.Y),
t.Color, t.LineThickness);
}
break;
case CommandType.TriangleFilled:
{
var t = (CommandTriangleFilled)cmd;
draw_list.FillTriangle(new Vector2(t.A.X, t.A.Y),
new Vector2(t.B.X, t.B.Y), new Vector2(t.C.X, t.C.Y),
t.Color);
}
break;
case CommandType.Polygon:
{
int i;
var p = (CommandPolygon)cmd;
for (i = 0; i < p.Points.Length; ++i)
{
var pnt = new Vector2(p.Points[i].X, p.Points[i].Y);
draw_list.PathLineTo(pnt);
}
draw_list.PathStroke(p.Color, NK_STROKE_CLOSED, p.LineThickness);
}
break;
case CommandType.PolygonFilled:
{
int i;
var p = (CommandPolygonFilled)cmd;
for (i = 0; i < p.Points.Length; ++i)
{
var pnt = new Vector2(p.Points[i].X, p.Points[i].Y);
draw_list.PathLineTo(pnt);
}
draw_list.PathFill(p.Color);
}
break;
case CommandType.Polyline:
{
int i;
var p = (CommandPolyline)cmd;
for (i = 0; i < p.Points.Length; ++i)
{
var pnt = new Vector2(p.Points[i].X, p.Points[i].Y);
draw_list.PathLineTo(pnt);
}
draw_list.PathStroke(p.Color, NK_STROKE_OPEN, p.LineThickness);
}
break;
case CommandType.Text:
{
var t = (CommandText)cmd;
draw_list.AddText(t.Font,
new RectangleF(t.X, t.Y, t.Width, t.Height), t.Text, t.FontHeight, t.Foreground);
}
break;
case CommandType.Image:
{
var i = (CommandImage)cmd;
draw_list.AddImage(i.Image,
new RectangleF(i.X, i.Y, i.Width, i.Height), i.Color);
}
break;
case CommandType.Custom:
{
var c = (CommandCustom)cmd;
c.callback(draw_list, c.X, c.Y, c.Width, c.Height);
}
break;
}
++cnt;
}
return(res);
}
