/// <summary>
/// Internal rendering method.
/// </summary>
protected virtual void DrawRibbonAppButtonLowerHalf(Graphics g,
MementoRibbonAppButton memento,
PaletteState state,
Color bottomDark,
Color bottomLight,
Color bottomMedium)
{
Color[] colorsLowerHalf = new Color[] { bottomDark, bottomMedium, bottomLight, bottomLight, bottomMedium, bottomDark };
float[] posLowerHalf;
if (state == PaletteState.Pressed)
posLowerHalf = new float[] { 0.0f, 0.3f, 0.5f, 0.5f, 0.7f, 1.0f };
else
posLowerHalf = new float[] { 0.0f, 0.2f, 0.4f, 0.6f, 0.8f, 1.0f };
ColorBlend blendLowerHalf = new ColorBlend();
blendLowerHalf.Colors = colorsLowerHalf;
blendLowerHalf.Positions = posLowerHalf;
memento.brushLower.InterpolationColors = blendLowerHalf;
g.FillPie(memento.brushLower, memento.rectLower.X, memento.rectLower.Y, memento.rectLower.Width, memento.rectLower.Height, 0, 180);
}
/// <summary>
/// Internal rendering method.
/// </summary>
protected virtual void DrawRibbonAppButtonUpperHalf(Graphics g,
MementoRibbonAppButton memento,
PaletteState state,
Color topDark,
Color bottomDark,
Color topLight,
Color topMedium,
bool trackBorderAsPressed)
{
bool pressed = (state == PaletteState.Pressed);
bool tracking = (state == PaletteState.Tracking);
// Override tracking/pressed states?
if (tracking && trackBorderAsPressed)
{
pressed = true;
tracking = false;
}
if (!pressed)
{
Color[] colorsUpperHalf = new Color[] { topDark, topMedium, topLight, topLight, topMedium, topDark };
float[] posUpperHalf = new float[] { 0.0f, 0.2f, 0.4f, 0.6f, 0.8f, 1.0f };
ColorBlend blendUpperHalf = new ColorBlend();
blendUpperHalf.Colors = colorsUpperHalf;
blendUpperHalf.Positions = posUpperHalf;
memento.brushUpper1.InterpolationColors = blendUpperHalf;
g.FillPie(memento.brushUpper1, memento.rect.X, memento.rect.Y, memento.rect.Width, memento.rect.Height, 180, 180);
}
Color c1 = _whiten10;
Color c2 = Color.FromArgb(100, topDark);
if (tracking)
{
c1 = _whiten200;
c2 = Color.FromArgb(200, bottomDark);
}
if (pressed)
{
c1 = Color.White;
c2 = topDark;
}
using (LinearGradientBrush brushUpper2 = new LinearGradientBrush(memento.rect, c1, c2, LinearGradientMode.Vertical))
g.FillPie(brushUpper2, memento.rect.X, memento.rect.Y, memento.rect.Width, memento.rect.Height, 180, 180);
}
/// <summary>
/// Internal rendering method.
/// </summary>
protected virtual void DrawRibbonAppButtonGlowUpperBottom(Graphics g,
MementoRibbonAppButton memento,
PaletteState state,
Color bottomLight,
Color bottomMedium,
Color bottomDark)
{
int lightTransparency = 50;
int mediumTransparency = 50;
if (state == PaletteState.Pressed || state == PaletteState.Tracking)
{
lightTransparency = 200;
mediumTransparency = 200;
}
using (LinearGradientBrush brushUpperGlow = new LinearGradientBrush(memento.rectUpperGlow, Color.Transparent, Color.Transparent, LinearGradientMode.Horizontal))
{
Color[] colorsUpperGlow = new Color[] { Color.FromArgb(180, bottomDark),
Color.FromArgb(mediumTransparency, bottomMedium),
Color.FromArgb(lightTransparency, bottomLight),
Color.FromArgb(lightTransparency, bottomLight),
Color.FromArgb(mediumTransparency, bottomMedium),
Color.FromArgb(180, bottomDark) };
float[] posUpperGlow = new float[] { 0.0f, 0.2f, 0.4f, 0.6f, 0.8f, 1.0f };
ColorBlend blendUpperGlow = new ColorBlend();
blendUpperGlow.Colors = colorsUpperGlow;
blendUpperGlow.Positions = posUpperGlow;
brushUpperGlow.InterpolationColors = blendUpperGlow;
g.FillPie(brushUpperGlow, memento.rectUpperGlow.X, memento.rectUpperGlow.Y, memento.rectUpperGlow.Width, memento.rectUpperGlow.Height, 180, 180);
}
}
/// <summary>
/// Internal rendering method.
/// </summary>
protected virtual void DrawRibbonAppButtonGlowCenter(Graphics g,
MementoRibbonAppButton memento,
PaletteState state,
Color topLight,
Color bottomLight)
{
using (LinearGradientBrush brushBottomGlow = new LinearGradientBrush(memento.rectBottomGlow, Color.FromArgb(50, Color.White), Color.FromArgb(30, Color.White), LinearGradientMode.Vertical))
{
RectangleF rectBottomGlow = memento.rectBottomGlow;
rectBottomGlow.X = memento.rect.X + (memento.rect.Width - rectBottomGlow.Width) / 2;
rectBottomGlow.Y = memento.rect.Y + (memento.rect.Height - rectBottomGlow.Height - 2);
if (state != PaletteState.Pressed)
g.FillPie(brushBottomGlow, rectBottomGlow.X, rectBottomGlow.Y, rectBottomGlow.Width, rectBottomGlow.Height, 0, 360);
if (state == PaletteState.Pressed)
{
rectBottomGlow.Height = memento.rect.Height * 0.2f;
rectBottomGlow.Width = memento.rect.Width * 0.4f;
rectBottomGlow.X = memento.rect.X + (memento.rect.Width - rectBottomGlow.Width) / 2;
rectBottomGlow.Y = memento.rect.Y + (memento.rect.Height - rectBottomGlow.Height);
using (GraphicsPath path = new GraphicsPath())
{
path.AddEllipse(rectBottomGlow);
using (PathGradientBrush pathGradient = new PathGradientBrush(path))
{
pathGradient.CenterColor = topLight;
pathGradient.SurroundColors = new Color[] { Color.FromArgb(100, bottomLight) };
g.FillEllipse(pathGradient, rectBottomGlow);
}
}
}
}
}
/// <summary>
/// Internal rendering method.
/// </summary>
protected virtual void DrawRibbonAppButtonBorder2(Graphics g,
MementoRibbonAppButton memento,
PaletteState state,
Color bottomLight,
bool trackBorderAsPressed)
{
bool pressed = (state == PaletteState.Pressed);
bool tracking = (state == PaletteState.Tracking);
// Override tracking/pressed states?
if (tracking && trackBorderAsPressed)
{
pressed = true;
tracking = false;
}
Color borderGlowColor;
if (pressed)
borderGlowColor = _whiten80;
else if (tracking && !pressed)
borderGlowColor = Color.FromArgb(200, bottomLight);
else
borderGlowColor = _whiten120;
using (Pen p = new Pen(borderGlowColor))
g.DrawEllipse(p, memento.borderMain1);
using (Pen p = new Pen(Color.FromArgb(100, 52, 59, 64)))
g.DrawEllipse(p, memento.rect);
if (pressed)
{
borderGlowColor = _whiten60;
using (Pen p = new Pen(borderGlowColor))
g.DrawEllipse(p, memento.borderMain3);
}
borderGlowColor = (pressed ? _whiten50 : _whiten80);
using (Pen p = new Pen(borderGlowColor))
g.DrawArc(p, memento.borderMain2, 180, 180);
if (!pressed)
{
borderGlowColor = _whiten30;
using (Pen p = new Pen(borderGlowColor))
g.DrawArc(p, memento.borderMain4, 180, 180);
}
if (tracking && !pressed)
using (Pen p = new Pen(Color.FromArgb(100, borderGlowColor)))
g.DrawEllipse(p, memento.rect);
}
/// <summary>
/// Internal rendering method.
/// </summary>
protected virtual void DrawRibbonAppButtonBorder1(Graphics g,
MementoRibbonAppButton memento)
{
g.FillEllipse(_buttonBorder1Brush, memento.borderShadow1);
g.FillEllipse(_buttonBorder2Brush, memento.borderShadow2);
}
/// <summary>
/// Internal rendering method.
/// </summary>
protected virtual IDisposable DrawRibbonAppButton(PaletteRibbonShape shape,
RenderContext context,
Rectangle rect,
PaletteState state,
IPaletteRibbonBack palette,
bool trackBorderAsPressed,
IDisposable memento)
{
// Reduce the area of the actual button as the extra space is used for shadow
rect.Width -= 3;
rect.Height -= 3;
if ((rect.Width > 0) && (rect.Height > 0))
{
// Get the colors from the palette
Color topLight = palette.GetRibbonBackColor1(state);
Color topMedium = palette.GetRibbonBackColor2(state);
Color topDark = palette.GetRibbonBackColor3(state);
Color bottomLight = palette.GetRibbonBackColor4(state);
Color bottomMedium = palette.GetRibbonBackColor5(state);
Color bottomDark = CommonHelper.MergeColors(topDark, 0.78f, Color.Empty, 0.22f);
bool generate = true;
MementoRibbonAppButton cache;
// Access a cache instance and decide if cache resources need generating
if ((memento == null) || !(memento is MementoRibbonAppButton))
{
if (memento != null)
memento.Dispose();
cache = new MementoRibbonAppButton(rect, topLight, topMedium,
topDark, bottomLight, bottomMedium);
memento = cache;
}
else
{
cache = (MementoRibbonAppButton)memento;
generate = !cache.UseCachedValues(rect, topLight, topMedium,
topDark, bottomLight, bottomMedium);
}
// Do we need to generate the contents of the cache?
if (generate)
{
// Dispose of existing values
cache.Dispose();
cache.borderShadow1 = new RectangleF(rect.X, rect.Y, rect.Width + 2, rect.Height + 2);
cache.borderShadow2 = new RectangleF(rect.X, rect.Y, rect.Width + 1, rect.Height + 1);
cache.borderMain1 = new RectangleF(rect.X + 1, rect.Y + 1, rect.Width - 2, rect.Height - 2);
cache.borderMain2 = new RectangleF(cache.borderMain1.X + 1, cache.borderMain1.Y + 1, cache.borderMain1.Width - 2, cache.borderMain1.Height - 2);
cache.borderMain3 = new RectangleF(cache.borderMain1.X + 1, cache.borderMain1.Y + 1, cache.borderMain1.Width - 2, cache.borderMain1.Height - 2);
cache.borderMain4 = new RectangleF(cache.borderMain2.X, cache.borderMain2.Y + 1, cache.borderMain2.Width, cache.borderMain2.Height - 2);
cache.rectBottomGlow = new RectangleF(0, 0, rect.Width * 0.75f, rect.Height * 0.75f);
cache.rectLower = new RectangleF(rect.X, rect.Y - 1, rect.Width, rect.Height + 1);
cache.rectUpperGlow = new RectangleF();
cache.rectUpperGlow.Width = rect.Width - 4;
cache.rectUpperGlow.Height = rect.Height / 8;
cache.rectUpperGlow.Y = rect.Y + (rect.Height - cache.rectUpperGlow.Height) / 2;
cache.rectUpperGlow.X = rect.X + (rect.Width - cache.rectUpperGlow.Width) / 2;
cache.brushUpper1 = new LinearGradientBrush(rect, Color.Transparent, Color.Transparent, LinearGradientMode.Horizontal);
cache.brushLower = new LinearGradientBrush(cache.rectLower, Color.Transparent, Color.Transparent, LinearGradientMode.Horizontal);
}
using (AntiAlias aa = new AntiAlias(context.Graphics))
{
DrawRibbonAppButtonBorder1(context.Graphics, cache);
DrawRibbonAppButtonUpperHalf(context.Graphics, cache, state, topDark, bottomDark, topLight, topMedium, trackBorderAsPressed);
DrawRibbonAppButtonLowerHalf(context.Graphics, cache, state, bottomDark, bottomLight, bottomMedium);
DrawRibbonAppButtonGlowCenter(context.Graphics, cache, state, topLight, bottomLight);
DrawRibbonAppButtonGlowUpperBottom(context.Graphics, cache, state, bottomLight, bottomMedium, bottomDark);
DrawRibbonAppButtonBorder2(context.Graphics, cache, state, bottomLight, trackBorderAsPressed);
}
}
return memento;
}
