public override void Draw(NVGcontext ctx)
{
if (X == X1 && Y == Y1)
{
return;
}
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgMoveTo(ctx, X, Y);
NanoVG.nvgLineTo(ctx, X1, Y1);
NanoVG.nvgStroke(ctx);
}
public override void Draw(NVGcontext ctx)
{
RefreshRelativePlacement();
if (!this.isVisible)
{
return;
}
Vector2 pos = this.localPosition;
Vector2 size = this.size;
Theme style = this.theme;
int ds = style.windowDropShadowSize;
int cr = style.windowCornerRadius;
int ds2 = 2 * ds;
int cr2 = 2 * cr;
int ah = this.anchorHeight;
// draw drop shadow.
NVGpaint shadowPaint = NanoVG.nvgBoxGradient(ctx, pos.X, pos.Y, size.X, size.Y, cr2, ds2
, style.dropShadowColor
, style.transparentColor);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRect(ctx, pos.X - ds, pos.Y - ds, size.X + ds2, size.Y + ds2);
NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, size.Y, cr);
NanoVG.nvgPathWinding(ctx, (int)NVGsolidity.NVG_HOLE);
NanoVG.nvgFillPaint(ctx, shadowPaint);
NanoVG.nvgFill(ctx);
// draw window.
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, size.Y, cr);
// draw anchor triangle.
NanoVG.nvgMoveTo(ctx, pos.X - 15, pos.Y + ah);
NanoVG.nvgLineTo(ctx, pos.X + 1, pos.Y + ah - 15);
NanoVG.nvgLineTo(ctx, pos.X + 1, pos.Y + ah + 15);
NanoVG.nvgFillColor(ctx, style.windowPopupColor);
NanoVG.nvgFill(ctx);
// draw contents.
DrawChildren(ctx);
}
public void RenderConnection(Connection connection, Vector2 end)
{
var bound = connection.GetBounds();
var pos = new Vector2(bound.X, bound.Y);
var v = new Vector2((pos - end).Length / 4, 0);
if (pos == end)
{
return;
}
NanoVG.nvgSave(MainWindow.Nvg);
NanoVG.nvgLineCap(MainWindow.Nvg, (int)NvgLineCap.Round);
NanoVG.nvgStrokeColor(MainWindow.Nvg, NanoVG.nvgRGBA(128, 128, 128, 255));
var ctrl1 = connection.Side == NodeSide.Input ? pos - v : pos + v;
var ctrl2 = connection.Side == NodeSide.Input ? end + v : end - v;
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgMoveTo(MainWindow.Nvg, pos.X, pos.Y);
NanoVG.nvgBezierTo(MainWindow.Nvg, ctrl1.X, ctrl1.Y, ctrl2.X, ctrl2.Y, end.X, end.Y);
NanoVG.nvgStroke(MainWindow.Nvg);
NanoVG.nvgRestore(MainWindow.Nvg);
}
public static void RenderGraph(NVGcontext vg, float x, float y)
{
int i;
float avg, w, h;
string str;
avg = GetGraphAverage();
w = 200;
h = 35;
NanoVG.nvgBeginPath(vg);
NanoVG.nvgRect(vg, x, y, w, h);
NanoVG.nvgFillColor(vg, NanoVG.nvgRGBA(0, 0, 0, 128));
NanoVG.nvgFill(vg);
NanoVG.nvgBeginPath(vg);
NanoVG.nvgMoveTo(vg, x, y + h);
if (style == (int)GraphrenderStyle.GRAPH_RENDER_FPS)
{
for (i = 0; i < GRAPH_HISTORY_COUNT; i++)
{
float v = 1.0f / (0.00001f + values[(head + i) % GRAPH_HISTORY_COUNT]);
float vx, vy;
if (v > 80.0f)
{
v = 80.0f;
}
vx = x + ((float)i / (GRAPH_HISTORY_COUNT - 1)) * w;
vy = y + h - ((v / 80.0f) * h);
NanoVG.nvgLineTo(vg, vx, vy);
}
}
else if (style == (int)GraphrenderStyle.GRAPH_RENDER_PERCENT)
{
for (i = 0; i < GRAPH_HISTORY_COUNT; i++)
{
float v = values[(head + i) % GRAPH_HISTORY_COUNT] * 1.0f;
float vx, vy;
if (v > 100.0f)
{
v = 100.0f;
}
vx = x + ((float)i / (GRAPH_HISTORY_COUNT - 1)) * w;
vy = y + h - ((v / 100.0f) * h);
NanoVG.nvgLineTo(vg, vx, vy);
}
}
else
{
for (i = 0; i < GRAPH_HISTORY_COUNT; i++)
{
float v = values[(head + i) % GRAPH_HISTORY_COUNT] * 1000.0f;
float vx, vy;
if (v > 20.0f)
{
v = 20.0f;
}
vx = x + ((float)i / (GRAPH_HISTORY_COUNT - 1)) * w;
vy = y + h - ((v / 20.0f) * h);
NanoVG.nvgLineTo(vg, vx, vy);
}
}
NanoVG.nvgLineTo(vg, x + w, y + h);
NanoVG.nvgFillColor(vg, NanoVG.nvgRGBA(255, 192, 0, 128));
NanoVG.nvgFill(vg);
NanoVG.nvgFontFace(vg, "sans");
if (name[0] != '\0')
{
NanoVG.nvgFontSize(vg, 14.0f);
NanoVG.nvgTextAlign(vg, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_TOP));
NanoVG.nvgFillColor(vg, NanoVG.nvgRGBA(240, 240, 240, 192));
NanoVG.nvgText(vg, x + 3, y + 1, name);
}
if (style == (int)GraphrenderStyle.GRAPH_RENDER_FPS)
{
NanoVG.nvgFontSize(vg, 18.0f);
NanoVG.nvgTextAlign(vg, (int)(NVGalign.NVG_ALIGN_RIGHT | NVGalign.NVG_ALIGN_TOP));
NanoVG.nvgFillColor(vg, NanoVG.nvgRGBA(240, 240, 240, 255));
str = String.Format("{0:0.00} FPS", 1.0f / avg);
NanoVG.nvgText(vg, x + w - 3, y + 1, str);
NanoVG.nvgFontSize(vg, 15.0f);
NanoVG.nvgTextAlign(vg, (int)(NVGalign.NVG_ALIGN_RIGHT | NVGalign.NVG_ALIGN_BOTTOM));
NanoVG.nvgFillColor(vg, NanoVG.nvgRGBA(240, 240, 240, 160));
str = String.Format("{0:0.00} ms", avg * 1000.0f);
NanoVG.nvgText(vg, x + w - 3, y + h - 1, str);
}
else if (style == (int)GraphrenderStyle.GRAPH_RENDER_PERCENT)
{
NanoVG.nvgFontSize(vg, 18.0f);
NanoVG.nvgTextAlign(vg, (int)(NVGalign.NVG_ALIGN_RIGHT | NVGalign.NVG_ALIGN_TOP));
NanoVG.nvgFillColor(vg, NanoVG.nvgRGBA(240, 240, 240, 255));
str = String.Format("{0:0.0} %", avg * 1.0f);
NanoVG.nvgText(vg, x + w - 3, y + 1, str);
}
else
{
NanoVG.nvgFontSize(vg, 18.0f);
NanoVG.nvgTextAlign(vg, (int)(NVGalign.NVG_ALIGN_RIGHT | NVGalign.NVG_ALIGN_TOP));
NanoVG.nvgFillColor(vg, NanoVG.nvgRGBA(240, 240, 240, 255));
str = String.Format("{0:0.00} ms", avg * 1000.0f);
NanoVG.nvgText(vg, x + w - 3, y + 1, str);
}
}
public override void Draw(NVGcontext ctx)
{
Theme style = this.theme;
int ds = style.windowDropShadowSize;
int cr = style.windowCornerRadius;
int hh = style.windowHeaderHeight;
Vector2 pos = this.localPosition;
Vector2 size = this.size;
NanoVG.nvgSave(ctx);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, size.Y, cr);
NanoVG.nvgFillColor(ctx, this.mouseFocus ? style.windowFillFocusedColor
: style.windowFillUnfocusedColor);
NanoVG.nvgFill(ctx);
NVGpaint shadowPaint = NanoVG.nvgBoxGradient(ctx
, pos.X, pos.Y, size.X, size.Y
, cr * 2, ds * 2
, style.dropShadowColor
, style.transparentColor);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRect(ctx, pos.X - ds, pos.Y - ds, size.X + 2 * ds, size.Y + 2 * ds);
NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, size.Y, cr);
NanoVG.nvgPathWinding(ctx, (int)NVGsolidity.NVG_HOLE);
NanoVG.nvgFillPaint(ctx, shadowPaint);
NanoVG.nvgFill(ctx);
// draw header.
if (!string.IsNullOrEmpty(this.title))
{
NVGpaint headerPaint = NanoVG.nvgLinearGradient(
ctx
, pos.X, pos.Y, pos.X, pos.Y + hh
, style.windowHeaderGradientTopColor
, style.windowHeaderGradientBotColor
);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, hh, cr);
NanoVG.nvgFillPaint(ctx, headerPaint);
NanoVG.nvgFill(ctx);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, hh, cr);
NanoVG.nvgStrokeColor(ctx, style.windowHeaderSepTopColor);
NanoVG.nvgSave(ctx);
NanoVG.nvgIntersectScissor(ctx, pos.X, pos.Y, size.X, 0.5f);
NanoVG.nvgStroke(ctx);
NanoVG.nvgResetScissor(ctx);
NanoVG.nvgRestore(ctx);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgMoveTo(ctx, pos.X + 0.5f, pos.Y + hh - 1.5f);
NanoVG.nvgLineTo(ctx, pos.X + size.X - 0.5f, pos.Y + hh - 1.5f);
NanoVG.nvgStrokeColor(ctx, style.windowHeaderSepBotColor);
NanoVG.nvgStroke(ctx);
NanoVG.nvgFontSize(ctx, style.standardFontSize + 2f);
NanoVG.nvgFontFace(ctx, style.fontBold);
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_CENTER | NVGalign.NVG_ALIGN_MIDDLE));
Vector2 headerTextPos;
headerTextPos.X = pos.X + size.X * 0.5f;
headerTextPos.Y = pos.Y + hh * 0.5f;
NanoVG.nvgFontBlur(ctx, 2f);
NanoVG.nvgFillColor(ctx, style.dropShadowColor);
NanoVG.nvgText(ctx, headerTextPos.X, headerTextPos.Y, this.title);
NanoVG.nvgFontBlur(ctx, 0f);
NanoVG.nvgFillColor(ctx, this.focused ? style.windowTitleFocusedColor
: style.windowTitleUnfocusedColor);
NanoVG.nvgText(ctx, headerTextPos.X, headerTextPos.Y - 1f, this.title);
}
NanoVG.nvgRestore(ctx);
base.Draw(ctx);
}
private void Render(object sender, FrameEventArgs e)
{
// Reset the view
GL.Clear(ClearBufferMask.ColorBufferBit |
ClearBufferMask.DepthBufferBit |
ClearBufferMask.StencilBufferBit);
//GL.PushMatrix();
NanoVG.nvgBeginFrame(Nvg, Width, Height, 1);
NanoVG.nvgSave(Nvg);
NanoVG.nvgScale(Nvg, Zoom, Zoom);
//_grid.Draw();
NanoVG.nvgTranslate(Nvg, _nodeRenderer.gridOffset.X, _nodeRenderer.gridOffset.Y);
NanoVG.nvgStrokeWidth(Nvg, 2);
NanoVG.nvgStrokeColor(Nvg, NanoVG.nvgRGBA(0, 0, 0, 255));
NanoVG.nvgBeginPath(Nvg);
NanoVG.nvgMoveTo(Nvg, -_nodeRenderer.gridPitch, 0);
NanoVG.nvgLineTo(Nvg, _nodeRenderer.gridPitch, 0);
NanoVG.nvgStroke(Nvg);
NanoVG.nvgBeginPath(Nvg);
NanoVG.nvgMoveTo(Nvg, 0, -_nodeRenderer.gridPitch);
NanoVG.nvgLineTo(Nvg, 0, _nodeRenderer.gridPitch);
NanoVG.nvgStroke(Nvg);
const int cxnLineWidth = 3;
NanoVG.nvgStrokeWidth(Nvg, cxnLineWidth);
if (Selection.DraggingConnection != null)
{
var end = _mouseCanvasSpace;
if (Selection.CreatingConnectedNode)
{
end = new Vector2(_contextMenu.X, _contextMenu.Y);
}
var picked = Selection.HoveringConnection;
if (picked != null && picked.Side != Selection.DraggingConnection.Side)
{
var b = picked.GetBounds();
end = new Vector2(b.X, b.Y);
}
_nodeRenderer.RenderConnection(Selection.DraggingConnection, end);
}
foreach (var node in Graph)
{
_nodeRenderer.RenderConnections(node);
}
foreach (var node in Graph)
{
_nodeRenderer.RenderNode(node);
}
if (Selection.SelectionRectangle != null && Selection.SelectionRectangle.Width != 0 && Selection.SelectionRectangle.Height != 0)
{
NanoVG.nvgFillColor(Nvg, _selectionRectangleColor.ToNvgColor());
NanoVG.nvgBeginPath(Nvg);
var r = Selection.SelectionRectangle;
var x = Math.Min(r.X, r.X + r.Width);
var y = Math.Min(r.Y, r.Y + r.Height);
var w = Math.Abs(r.Width);
var h = Math.Abs(r.Height);
NanoVG.nvgRect(Nvg, x, y, w, h);
NanoVG.nvgFill(Nvg);
}
NanoVG.nvgRestore(Nvg);
_contextMenu.Render();
GL.Color4(0, 0, 0, 1f);
if (Keyboard[Key.D] && Focused && TextBoxHandler.TextBox == null)
{
// Static diagnostic header
NanoVG.nvgSave(Nvg);
NanoVG.nvgFillColor(Nvg, Color.Black.ToNvgColor());
NvgHelper.RenderString($"{Zoom}x Zoom");
NanoVG.nvgTranslate(Nvg, 0, FontLineHeight);
NvgHelper.RenderString($"{Graph.Count} Nodes");
// Sparklines
// GL.Translate(5, (int)(Height - Font.Common.LineHeight * 1.4f * 2), 0);
// _fpsSparkline.Render(Color.Blue, Color.LimeGreen);
// GL.Translate(0, (int)(Font.Common.LineHeight * 1.4f), 0);
// _renderTimeSparkline.Render(Color.Blue, Color.LimeGreen);
NanoVG.nvgRestore(Nvg);
}
NanoVG.nvgEndFrame(Nvg);
// Swap the graphics buffer
SwapBuffers();
}
public override void Draw(NVGcontext ctx)
{
NanoVG.nvgMoveTo(ctx, X, Y);
}