public override void Draw(NVGcontext ctx)
{
base.Draw(ctx);
if (0 > m_FontId)
{
return;
}
int prefFontSize = GetPreferredFontSize();
NanoVG.nvgFontFace(ctx, m_FontId);
NanoVG.nvgFontSize(ctx, prefFontSize);
NanoVG.nvgFillColor(ctx, this.color);
int fixedWidth = (int)this.fixedSize.X;
Vector2 pos = this.localPosition;
if (0 < fixedWidth)
{
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_TOP));
NanoVG.nvgTextBox(ctx, pos.X, pos.Y, fixedWidth, caption);
}
else
{
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE));
NanoVG.nvgText(ctx, pos.X, pos.Y + this.size.Y * 0.5f, caption);
}
// DEBUG: BOUNDS
//NanoVG.nvgStrokeWidth (ctx, 1.0f);
//NanoVG.nvgBeginPath (ctx);
//NanoVG.nvgRect (ctx, pos.X, pos.Y, this.size.X, this.size.Y);
//NanoVG.nvgStrokeColor (ctx, this.color);
//NanoVG.nvgStroke(ctx);
}
public override void Draw(NVGcontext ctx)
{
if (!this.enabled && this.pushed)
{
this.pushed = false;
}
if (m_Popup)
{
m_Popup.isVisible = this.pushed;
}
base.Draw(ctx);
if (0 != this.chevronIcon)
{
Theme style = this.theme;
byte[] icon = Fonts.GetIconUTF8(this.chevronIcon);
NVGcolor currTextColor = GetCurrTextColor();
int currFontSize = (0 <= this.fontSize) ? this.fontSize : style.buttonFontSize;
int fontFace = Fonts.Get(style.fontIcons);
NanoVG.nvgFontSize(ctx, currFontSize * 1.5f);
NanoVG.nvgFontFace(ctx, fontFace);
NanoVG.nvgFillColor(ctx, currTextColor);
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE));
float iw = NanoVG.nvgTextBounds(ctx, 0f, 0f, icon, null);
Vector2 iconPos = this.localPosition;
iconPos.X += this.size.X - iw - 8;
iconPos.Y += this.size.Y * 0.5f - 1;
NanoVG.nvgText(ctx, iconPos.X, iconPos.Y, icon);
}
}
public void Render()
{
var picked = Pick(_window.MouseScreenSpace.X, _window.MouseScreenSpace.Y);
var lineHeight = (int)(_window.FontLineHeight * 1.5f);
NanoVG.nvgFillColor(MainWindow.Nvg, picked ? Color.LightGray.ToNvgColor() : Color.White.ToNvgColor());
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgRect(MainWindow.Nvg, 0, lineHeight * Index, Parent.Width, lineHeight);
NanoVG.nvgFill(MainWindow.Nvg);
NanoVG.nvgSave(MainWindow.Nvg);
NanoVG.nvgFillColor(MainWindow.Nvg, Color.Black.ToNvgColor());
NanoVG.nvgTranslate(MainWindow.Nvg, 3, lineHeight * Index + 3);
if (Shortcut == null)
{
NvgHelper.RenderString(Text);
}
else
{
NvgHelper.RenderString($"{Shortcut} {Text}");
NanoVG.nvgFillColor(MainWindow.Nvg, Color.DarkGray.ToNvgColor());
NvgHelper.RenderString(Shortcut);
}
NanoVG.nvgRestore(MainWindow.Nvg);
}
public void RenderBackground()
{
var lineHeight = (int)(_window.FontLineHeight * 1.5f);
NanoVG.nvgFillColor(MainWindow.Nvg, Color.Black.ToNvgColor());
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgRect(MainWindow.Nvg, -1, lineHeight * Index - 1, Parent.Width + 2, lineHeight + 2);
NanoVG.nvgRect(MainWindow.Nvg, 1, lineHeight * Index + 1, Parent.Width + 1, lineHeight + 1);
NanoVG.nvgFill(MainWindow.Nvg);
}
public void RenderNode(Node node)
{
if (!ScreenContains(node))
{
return;
}
const int borderRadius = 6;
const int panelInset = 2;
const float halfPanelInset = panelInset / 2f;
var headerHeight = (int)(_window.FontLineHeight * 1.2f);
NanoVG.nvgSave(MainWindow.Nvg);
if (_window.Selection.SelectedNodes.Contains(node))
{
NanoVG.nvgFillColor(MainWindow.Nvg, Color.Black.ToNvgColor());
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgRoundedRect(MainWindow.Nvg, node.X - panelInset - 2, node.Y - 2, node.Width + 2 * (2 + panelInset), node.Height + 4, borderRadius + 2);
NanoVG.nvgFill(MainWindow.Nvg);
}
NanoVG.nvgFillColor(MainWindow.Nvg, _colorMap.ContainsKey(node.NodeInfo) ? _colorMap[node.NodeInfo] : NanoVG.nvgRGBA(0, 0, 0, 255));
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgRoundedRect(MainWindow.Nvg, node.X - panelInset, node.Y, node.Width + 2 * panelInset, node.Height, borderRadius);
NanoVG.nvgFill(MainWindow.Nvg);
NanoVG.nvgFillColor(MainWindow.Nvg, Color.DarkSlateGray.ToNvgColor());
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgRoundedRect(MainWindow.Nvg, node.X, node.Y + headerHeight + panelInset,
node.Width, node.Height - headerHeight - 2 * panelInset,
borderRadius - halfPanelInset);
NanoVG.nvgFill(MainWindow.Nvg);
NanoVG.nvgFillColor(MainWindow.Nvg, Color.White.ToNvgColor());
NanoVG.nvgSave(MainWindow.Nvg);
var headerOffset = (headerHeight + panelInset) / 2f - NvgHelper.MeasureString(node.Name).Height / 2;
NanoVG.nvgTranslate(MainWindow.Nvg, (int)(node.X + 2 * panelInset), (int)(node.Y + headerOffset));
NvgHelper.RenderString(node.Name);
NanoVG.nvgRestore(MainWindow.Nvg);
if (node.Input != null)
{
RenderConnector(node.Input);
}
foreach (var nodeOutput in node.Outputs)
{
RenderConnector(nodeOutput);
}
NanoVG.nvgRestore(MainWindow.Nvg);
}
public override void Draw(NVGcontext ctx)
{
base.Draw(ctx);
Theme style = this.theme;
Vector2 pos = this.localPosition;
Vector2 size = this.size;
if (!string.IsNullOrEmpty(this.caption))
{
int currFontSize = GetPreferredFontSize();
if (0 < currFontSize)
{
int currFontFace = Fonts.Get(this.theme.fontNormal);
NVGcolor currTextColor = this.enabled ? style.textColor : style.disabledTextColor;
NanoVG.nvgFontSize(ctx, currFontSize);
NanoVG.nvgFontFace(ctx, currFontFace);
NanoVG.nvgFillColor(ctx, currTextColor);
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE));
NanoVG.nvgText(ctx, pos.X + size.Y * 1.2f + 5, pos.Y + this.size.Y * 0.5f, this.caption);
}
}
Color4f col = Color4f.Black;
Color4f icol = this.pushed ? col.WithAlpha(100) : col.WithAlpha(32);
Color4f ocol = col.WithAlpha(180);
NVGpaint bg = NanoVG.nvgBoxGradient(ctx, pos.X + 1.5f, pos.Y + 1.5f
, size.X - 2f, size.Y - 2f, 3f, 3f
, icol.ToNVGColor()
, ocol.ToNVGColor());
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRoundedRect(ctx, pos.X + 1f, pos.Y + 1f, size.Y - 2f, size.Y - 2f, 3f);
NanoVG.nvgFillPaint(ctx, bg);
NanoVG.nvgFill(ctx);
if (this.check)
{
int fontIcons = Fonts.Get(style.fontIcons);
NVGcolor iconColor = this.enabled ? style.iconColor : style.disabledTextColor;
NanoVG.nvgFontSize(ctx, 1.8f * size.Y);
NanoVG.nvgFontFace(ctx, fontIcons);
NanoVG.nvgFillColor(ctx, iconColor);
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_CENTER | NVGalign.NVG_ALIGN_MIDDLE));
byte[] icon = Fonts.GetIconUTF8((int)Font.Entypo.ICON_CHECK);
NanoVG.nvgText(ctx, pos.X + size.Y * 0.5f + 1f, pos.Y + size.Y * 0.5f, icon);
}
}
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 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);
}
}
private void RenderConnector(Connection connection)
{
NanoVG.nvgSave(MainWindow.Nvg);
var pickedForDeletion =
_window.Selection.HoveringConnection == connection && _window.Keyboard[Key.ShiftLeft];
var bound = connection.GetBounds();
var r = bound.Radius;
var twor = 2 * r;
var halfr = r / 2;
const int cxnBorderWidth = 2;
NanoVG.nvgFillColor(MainWindow.Nvg, Color.White.ToNvgColor());
NanoVG.nvgSave(MainWindow.Nvg);
if (connection != TextBoxHandler.EditingConnection)
{
switch (connection.Side)
{
case NodeSide.Input:
NanoVG.nvgTranslate(MainWindow.Nvg, bound.X + twor, bound.Y - r);
NvgHelper.RenderString(connection.Text);
break;
case NodeSide.Output:
var s = connection.Text;
NanoVG.nvgTranslate(MainWindow.Nvg, bound.X - twor - NvgHelper.MeasureString(s).Width, bound.Y - r);
NvgHelper.RenderString(s);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
TextBoxHandler.TextBox.RenderBackground();
TextBoxHandler.TextBox.RenderForeground();
}
NanoVG.nvgRestore(MainWindow.Nvg);
NanoVG.nvgFillColor(MainWindow.Nvg, Color.DarkSlateGray.ToNvgColor());
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgCircle(MainWindow.Nvg, bound.X, bound.Y, r + cxnBorderWidth);
NanoVG.nvgFill(MainWindow.Nvg);
NanoVG.nvgFillColor(MainWindow.Nvg, connection.Side == NodeSide.Input ? Color.DeepSkyBlue.ToNvgColor() : Color.LimeGreen.ToNvgColor());
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgCircle(MainWindow.Nvg, bound.X, bound.Y, r);
NanoVG.nvgFill(MainWindow.Nvg);
NanoVG.nvgBeginPath(MainWindow.Nvg);
if (_window.Selection.HoveringConnection != null && _window.Selection.DraggingConnection == connection &&
_window.Selection.HoveringConnection.Side != _window.Selection.DraggingConnection.Side)
{
NanoVG.nvgFillColor(MainWindow.Nvg, Color.SlateGray.ToNvgColor());
}
else if (connection.ConnectedNode != null)
{
NanoVG.nvgFillColor(MainWindow.Nvg, Color.DarkSlateGray.ToNvgColor());
}
NanoVG.nvgCircle(MainWindow.Nvg, bound.X, bound.Y, halfr);
NanoVG.nvgFill(MainWindow.Nvg);
if (pickedForDeletion)
{
NanoVG.nvgFillColor(MainWindow.Nvg, Color.Red.ToNvgColor());
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgCircle(MainWindow.Nvg, bound.X, bound.Y, halfr);
NanoVG.nvgFill(MainWindow.Nvg);
}
NanoVG.nvgRestore(MainWindow.Nvg);
}
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)
{
base.Draw(ctx);
Theme style = this.theme;
NVGcolor gradTopColor = style.buttonGradientTopUnfocusedColor;
NVGcolor gradBotColor = style.buttonGradientBotUnfocusedColor;
if (this.pushed)
{
gradTopColor = style.buttonGradientTopPushedColor;
gradBotColor = style.buttonGradientBotPushedColor;
}
else
{
gradTopColor = style.buttonGradientTopFocusedColor;
gradBotColor = style.buttonGradientBotFocusedColor;
}
Vector2 pos = this.localPosition;
Vector2 size = this.size;
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRoundedRect(ctx, pos.X + 1f, pos.Y + 1f, size.X - 2f, size.Y - 2f
, style.buttonCornerRadius - 1f);
NanoVG.nvgFillColor(ctx, gradTopColor);
NanoVG.nvgFill(ctx);
if (0f < this.backgroundColor.a)
{
// fill background.
}
NVGpaint gradient = NanoVG.nvgLinearGradient(ctx, pos.X, pos.Y, pos.X, pos.Y + size.Y
, gradTopColor, gradBotColor);
NanoVG.nvgFillPaint(ctx, gradient);
NanoVG.nvgFill(ctx);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgStrokeWidth(ctx, 1f);
NanoVG.nvgRoundedRect(ctx, pos.X + 0.5f, pos.Y + (this.pushed ? 0.5f : 1.5f)
, size.X - 1f, size.Y - 1 - (this.pushed ? 0f : 1f)
, style.buttonCornerRadius);
NanoVG.nvgStrokeColor(ctx, style.borderLightColor);
NanoVG.nvgStroke(ctx);
NanoVG.nvgBeginPath(ctx);
NanoVG.nvgRoundedRect(ctx, pos.X + 0.5f, pos.Y + 0.5f
, size.X - 1f, size.Y - 2f
, style.buttonCornerRadius);
NanoVG.nvgStrokeColor(ctx, style.borderDarkColor);
NanoVG.nvgStroke(ctx);
int currFontSize = 0 > this.fontSize ? style.buttonFontSize : this.fontSize;
NanoVG.nvgFontSize(ctx, currFontSize);
NanoVG.nvgFontFace(ctx, style.fontBold);
float tw = NanoVG.nvgTextBounds(ctx, 0f, 0f, this.caption, null);
Vector2 center = pos + size * 0.5f;
Vector2 textPos = new Vector2(center.X - tw * 0.5f, center.Y - 1f);
NVGcolor currTextColor = GetCurrTextColor();
int btnIcon = this.icon;
if (0 != btnIcon)
{
float iw, ih;
iw = 0f;
ih = currFontSize;
byte[] icon = Fonts.GetIconUTF8(btnIcon);
if (NanoVG.nvgIsFontIcon(btnIcon))
{
ih *= 1.5f;
NanoVG.nvgFontSize(ctx, ih);
NanoVG.nvgFontFace(ctx, style.fontIcons);
iw = NanoVG.nvgTextBounds(ctx, 0, 0, icon, null);
}
else
{
int w, h;
w = h = 1;
ih *= 0.9f;
NanoVG.nvgImageSize(ctx, btnIcon, ref w, ref h);
if (0 < h)
{
iw = w * ih / h;
}
}
if (!string.IsNullOrEmpty(this.caption))
{
iw += size.Y * 0.15f;
}
NanoVG.nvgFillColor(ctx, currTextColor);
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE));
Vector2 iconPos = center;
iconPos.Y -= 1f;
switch (this.iconAnchorType)
{
case IconAnchorType.LeftCentered:
{
iconPos.X -= (tw + iw) * 0.5f;
textPos.X += iw * 0.5f;
}
break;
case IconAnchorType.RightCentered:
{
textPos.X -= iw * 0.5f;
iconPos.X += tw * 0.5f;
}
break;
case IconAnchorType.Left:
{
iconPos.X = pos.X + 8f;
}
break;
case IconAnchorType.Right:
{
iconPos.X = pos.X + size.X - iw - 8f;
}
break;
default:
break;
}
if (NanoVG.nvgIsFontIcon(btnIcon))
{
// NOTE: icon rendering bug, any unicode > 0x10000 not being rendered correctly.
// e.g. 0x1F680 (Font.Entypo.ICON_ROCKET).
NanoVG.nvgText(ctx, iconPos.X, iconPos.Y + 1f, icon);
}
else
{
float imgAlpha = this.enabled ? 0.5f : 0.25f;
NVGpaint imgPaint = NanoVG.nvgImagePattern(
ctx
, iconPos.X, iconPos.Y - ih * 0.5f, iw, ih
, 0f, btnIcon, imgAlpha);
NanoVG.nvgFillPaint(ctx, imgPaint);
NanoVG.nvgFill(ctx);
}
// DEBUG: ICON BOUNDS
//NanoVG.nvgStrokeWidth (ctx, 1.0f);
//NanoVG.nvgBeginPath (ctx);
//NanoVG.nvgRect (ctx, iconPos.X, iconPos.Y - ih * 0.5f, iw, ih);
//NanoVG.nvgStrokeColor (ctx, textColor);
//NanoVG.nvgStroke(ctx);
}
NanoVG.nvgFontSize(ctx, currFontSize);
NanoVG.nvgFontFace(ctx, style.fontBold);
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE));
NanoVG.nvgFillColor(ctx, style.textShadowColor);
NanoVG.nvgText(ctx, textPos.X, textPos.Y, this.caption);
NanoVG.nvgFillColor(ctx, currTextColor);
NanoVG.nvgText(ctx, textPos.X, textPos.Y + 1f, this.caption);
}
public override void Execute(NVGcontext ctx)
{
NanoVG.nvgFillColor(ctx, NanoVG.nvgRGBA(R, G, B, A));
}