public Layout GenerateLayout()
{
int minFontSize = Settings.Default.MinFontHeight;
int maxFontSize = Settings.Default.Font.Height;
Size size = View.Default.Size;
DOIValue[] weights = Model.Default.DOIStrategy.Weights;
FocusArea focus = Model.Default.Focus;
Layout layout = new Layout(size, Model.Default.Length);
int centerPoint = View.Default.Size.Height / 2;
if (maxFontSize * focus.Center < centerPoint || size.Height > maxFontSize * weights.Length)
centerPoint = (int)(maxFontSize * focus.Center);
else if (maxFontSize * (weights.Length - focus.Center - 1) < centerPoint)
centerPoint = (int)(size.Height - maxFontSize - maxFontSize * (weights.Length - focus.Center - 1));
for (int i = 0; i < weights.Length; i++)
{
layout.lines[i].y = centerPoint + maxFontSize * (i - focus.Center);
layout.lines[i].x = Model.Default.Indentation[i] * Settings.Default.WhitespaceWidth;
layout.lines[i].shown = (layout.lines[i].y + maxFontSize < 0 || layout.lines[i].y > size.Height) ? false : true;
layout.lines[i].height = layout.lines[i].shown ? maxFontSize : 0f;
layout.lines[i].focus = focus.IsInside(i) ? 1f : 0f;
}
return layout;
}
public static Layout Blend(Layout l1, Layout l2, float a)
{
Debug.Assert(l1.lines.Length == l2.lines.Length);
Layout layout = new Layout(l1.size, l1.lines.Length);
LineLayout[] lines = layout.lines;
float y = 0;
int lastshown1 = -1;
int lastshown2 = -1;
for (int i = 0; i < l1.lines.Length; i++)
{
lines[i] = Blend(l1.lines[i], l2.lines[i], a);
if (layout.lines[i].shown)
{
if (l1.lines[i].shown)
{
if (lastshown1 == -1)
{
y += (int)(l1.lines[i].y * (1f - a));
lastshown1 = i;
}
else
{
float space = (l1.lines[i].y - l1.lines[lastshown1].y - l1.lines[lastshown1].height) * (1f - a);
y += space;
lastshown1 = i;
}
}
if (l2.lines[i].shown)
{
if (lastshown2 == -1)
{
y += (int)(l2.lines[i].y * a);
lastshown2 = i;
}
else
{
float space = (l2.lines[i].y - l2.lines[lastshown2].y - l2.lines[lastshown2].height) * a;
y += space;
lastshown2 = i;
}
}
lines[i].y = y;
y += lines[i].height;
}
}
return layout;
}
public void UpdateLayout(bool animateTransition)
{
_oldLayout = _layout;
_layoutUpdateTime = DateTime.Now;
if (Model.Default.DOIStrategy != null)
_newLayout = Model.Default.RenderStrategy.GenerateLayout();
_animateTransition = animateTransition;
}
private void RefreshLayout()
{
float a = (float)((TimeSpan)(DateTime.Now - _layoutUpdateTime)).TotalSeconds / _transitionSeconds;
if (_oldLayout != null && _newLayout != null && a < 1f && _animateTransition)
{
_layout = Layout.Blend(_oldLayout, _newLayout, a);
}
else
{
_layout = _newLayout;
}
}
public void ClearLayout()
{
_layout = null;
_oldLayout = null;
_newLayout = null;
}
protected override void OnPaint(PaintEventArgs e)
{
if (Model.Default.DOIStrategy == null || Model.Default.RenderStrategy == null || Model.Default.Document == null || View.Default.Layout == null)
{
//base.OnPaint(e);
return;
}
_layout = View.Default.Layout;
Graphics g = e.Graphics;
Size s = this.Size;
// Draw background
using (Brush backBrush = new SolidBrush(Settings.Default.OverviewBackgroundColor))
{
Rectangle u = Rectangle.Union(_overviewRectangle, _connectionsRectangle);
g.FillRectangle(backBrush, u);
g.FillRectangle(backBrush, _slackRectangle);
}
// Drawing focus area rectangle in overview
int fTop = TransformToScaled(Model.Default.Focus.Start);
Rectangle focusAreaRectangle = new Rectangle(_overviewRectangle.X, fTop, Settings.OverviewWidth - 1, TransformToScaled(Model.Default.Focus.End) - fTop);
g.FillRectangle(new SolidBrush(Settings.Default.FocusColor), focusAreaRectangle);
DrawConnectors(g);
if (_overviewSelectedLine != -1)
{
g.DrawLine(_selectedPen, _overviewRectangle.X, _overviewSelectedLine, this.Width, _overviewSelectedLine);
}
DrawOverview(e);
}
public void Render(float apptime)
{
if (device == null)
return;
// Clear the backbuffer to our backgrounds color
device.Clear(ClearFlags.Target, Settings.Default.BackgroundColor, 1.0f, 0);
// Make device ready for drawing
device.BeginScene();
_layout = View.Default.Layout;
if (_layout != null)
DrawCodeview();
// End drawing
device.EndScene();
// Flip backbuffers
device.Present();
}