本文整理汇总了C#中Cairo.LinearGradient.AddColorStopRgb方法的典型用法代码示例。如果您正苦于以下问题：C# LinearGradient.AddColorStopRgb方法的具体用法？C# LinearGradient.AddColorStopRgb怎么用？C# LinearGradient.AddColorStopRgb使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Cairo.LinearGradient的用法示例。
在下文中一共展示了LinearGradient.AddColorStopRgb方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DrawButton
/// <summary>Draws a button.</summary>
public void DrawButton (Context cr, Rectangle bodyAllocation, ButtonState state, double roundSize, double lineWidth, double arrowSize, double arrowPadding, bool drawSeparator, BaseButton widget)
{
double lineWidth05 = lineWidth / 2;
double lineWidth15 = lineWidth05 * 3;
bool upLeft = true, upRight = true, downRight = true, downLeft = true;
switch(widget.GroupStyle)
{
case GroupStyle.Left:
upRight = downRight = false;
break;
case GroupStyle.Center:
upLeft = downLeft = upRight = downRight = false;
break;
case GroupStyle.Right:
upLeft = downLeft = false;
break;
}
cr.LineWidth = lineWidth;
if(state == ButtonState.Pressed || state == ButtonState.Hover)
{
LinearGradient bodyPattern, innerBorderPattern;
Color borderColor;
if(state == ButtonState.Pressed)
{
bodyPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb (0.0, new Color (0.996, 0.847, 0.667));
bodyPattern.AddColorStopRgb (0.37, new Color (0.984, 0.710, 0.396));
bodyPattern.AddColorStopRgb (0.43, new Color (0.980, 0.616, 0.204));
bodyPattern.AddColorStopRgb (1.0, new Color (0.992, 0.933, 0.667));
innerBorderPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop (0.0, new Color (0.876, 0.718, 0.533, 1));
innerBorderPattern.AddColorStop (1.0, new Color (0.876, 0.718, 0.533, 0));
borderColor = new Color (0.671, 0.631, 0.549);
}
else
{
bodyPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb (0.0, new Color (1, 0.996, 0.890));
bodyPattern.AddColorStopRgb (0.37, new Color (1, 0.906, 0.592));
bodyPattern.AddColorStopRgb (0.43, new Color (1, 0.843, 0.314));
bodyPattern.AddColorStopRgb (1.0, new Color (1, 0.906, 0.588));
innerBorderPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop (0.0, new Color (1, 1, 0.969, 1));
innerBorderPattern.AddColorStop (1.0, new Color (1, 1, 0.969, 0));
borderColor = new Color (0.824, 0.753, 0.553);
}
double x0 = bodyAllocation.X + lineWidth05, y0 = bodyAllocation.Y + lineWidth05;
double x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05, y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if(upLeft) cr.MoveTo (x0 + roundSize, y0);
else cr.MoveTo (x0, y0);
if(upRight) cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
else cr.LineTo (x1, y0);
if(downRight) cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
else cr.LineTo (x1, y1);
if(downLeft) cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
else cr.LineTo (x0, y1);
if(upLeft) cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
else cr.LineTo (x0, y0);
cr.Pattern = bodyPattern;
cr.Fill ();
x0 = bodyAllocation.X + lineWidth15; y0 = bodyAllocation.Y + lineWidth15;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth15; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth15;
double roundSizeMinusLineWidth = roundSize - lineWidth;
if(widget.GroupStyle != GroupStyle.Left) x0 -= lineWidth;
if(upLeft) cr.MoveTo (x0 + roundSizeMinusLineWidth, y0);
else cr.MoveTo (x0, y0);
if(upRight) cr.Arc (x1 - roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, 1.5*Math.PI, 0);
else cr.LineTo (x1, y0);
if(downRight) cr.Arc (x1 - roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0, 0.5*Math.PI);
else cr.LineTo (x1, y1);
if(downLeft) cr.Arc (x0 + roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0.5*Math.PI, Math.PI);
else cr.LineTo (x0, y1);
if(upLeft) cr.Arc (x0 + roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, Math.PI, 1.5*Math.PI);
else cr.LineTo (x0, y0);
if(widget.GroupStyle != GroupStyle.Left) x0 += lineWidth;
cr.Pattern = innerBorderPattern;
cr.Stroke ();
x0 = bodyAllocation.X + lineWidth05; y0 = bodyAllocation.Y + lineWidth05;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if(upLeft) cr.MoveTo (x0 + roundSize, y0);
//.........这里部分代码省略.........
示例2: PaintWidget
protected override void PaintWidget (Cairo.Context ctx, int w, int h) {
ctx.SetFill (0.0d, 0.0d, 0.0d);
ctx.Rectangle (0.0d, Offset, w, h - Offset);
ctx.Fill ();
ctx.SetFill (BlueprintStyle.BluePrint);
ctx.Rectangle (0.0d, 0.0d, w, Offset);
ctx.Fill ();
double wr = w - 2.0d * Offset;
double ew = wr / (max - min + 1 + shaft * (max - min));
this.flapWidth = ew;
double xc = Offset;
for (int i = min; i <= max; i++) {
if (i != current) {
ctx.Rectangle (xc, Offset, ew, h - 2.0d * Offset);
}
xc += (1.0d + shaft) * ew;
}
ctx.FillPreserve ();
LinearGradient p = new LinearGradient (0.0d, Offset, 0.0d, Offset + 10.0d);
double fctr = 0.5d;
for (double y = 0.0d; y <= 1.0d; y += 0.1d) {
p.AddColorStopRgb (y, new Color (fctr * BlueprintStyle.BluePrintShadow.R, fctr * BlueprintStyle.BluePrintShadow.G, fctr * BlueprintStyle.BluePrintShadow.B));
fctr += 0.05d;
}
ctx.SetFill (p);
ctx.Fill ();
ctx.Rectangle (Offset + (1.0d + shaft) * ew * (current - min), Offset, ew, h - 2.0d * Offset);
ctx.SetFill (BlueprintStyle.BluePrint);
ctx.Fill ();
xc = Offset;
ctx.SetFill (BlueprintStyle.HardWhite);
ctx.MoveTo (0.0d, Offset);
ctx.LineTo (Offset, Offset);
for (int i = min; i <= max; i++) {
ctx.LineTo (xc, h - Offset);
ctx.LineTo (xc + ew, h - Offset);
ctx.LineTo (xc + ew, Offset);
xc += (1.0d + shaft) * ew;
if (i < max) {
ctx.LineTo (xc, Offset);
}
}
ctx.LineTo (w - Offset, Offset);
ctx.LineTo (w, Offset);
ctx.MoveTo (Offset, Offset);
ctx.LineTo (Offset + (1.0d + shaft) * ew * (current - min), Offset);
ctx.MoveTo (w - Offset, Offset);
ctx.LineTo (w - Offset + (1.0d + shaft) * ew * (current - max), Offset);
ctx.Stroke ();
xc = Offset + 0.5d * ew;
IEnumerable<string> namei = this.names.Skip (this.min);
IEnumerator<string> enume = namei.GetEnumerator ();
for (int i = min; i <= max && enume.MoveNext (); i++) {
string name = enume.Current;
if (name != null) {
#if PANGO
Pango.Layout pglay = Pango.CairoHelper.CreateLayout (ctx);
pglay.SetText (name);
Pango.Rectangle ra, rb;
pglay.GetExtents (out ra, out rb);
double tew = rb.Width / 1024.0d;
double teh = rb.Height / 1024.0d;
#else
TextExtents te = ctx.TextExtents (name);
double tew = te.Width;
double teh = te.Height;
#endif
ctx.MoveTo (xc - 0.5d * tew, 0.5d * (h + teh));
ctx.ShowText (name);
xc += (1.0d + shaft) * ew;
}
}
}示例3: OnExposeEvent
protected override bool OnExposeEvent(Gdk.EventExpose ev)
{
base.OnExposeEvent(ev);
// Insert drawing code here.
Context ctx = Gdk.CairoHelper.Create(this.GdkWindow);
ctx.FillRule = FillRule.EvenOdd;
int w, h;
this.GdkWindow.GetSize(out w, out h);
ctx.Color = new Color(0.0d, 0.0d, 0.0d);
ctx.Rectangle(0.0d, Offset, w, h-Offset);
ctx.Fill();
ctx.Color = BlueprintStyle.BluePrint;
ctx.Rectangle(0.0d, 0.0d, w, Offset);
ctx.Fill();
double wr = w-2.0d*Offset;
double ew = wr/(max-min+1+shaft*(max-min));
this.flapWidth = ew;
double xc = Offset;
for(int i = min; i <= max; i++) {
if(i != current) {
ctx.Rectangle(xc, Offset, ew, h-2.0d*Offset);
}
xc += (1.0d+shaft)*ew;
}
ctx.FillPreserve();
LinearGradient p = new LinearGradient(0.0d, Offset, 0.0d, Offset+10.0d);
double fctr = 0.5d;
for(double y = 0.0d; y <= 1.0d; y += 0.1d) {
p.AddColorStopRgb(y, new Color(fctr*BlueprintStyle.BluePrintShadow.R, fctr*BlueprintStyle.BluePrintShadow.G, fctr*BlueprintStyle.BluePrintShadow.B));
fctr += 0.05d;
}
ctx.Pattern = p;
ctx.Fill();
ctx.Rectangle(Offset+(1.0d+shaft)*ew*(current-min), Offset, ew, h-2.0d*Offset);
ctx.Color = BlueprintStyle.BluePrint;
ctx.Fill();
xc = Offset;
ctx.Color = BlueprintStyle.HardWhite;
ctx.MoveTo(0.0d, Offset);
ctx.LineTo(Offset, Offset);
for(int i = min; i <= max; i++) {
ctx.LineTo(xc, h-Offset);
ctx.LineTo(xc+ew, h-Offset);
ctx.LineTo(xc+ew, Offset);
xc += (1.0d+shaft)*ew;
if(i < max) {
ctx.LineTo(xc, Offset);
}
}
ctx.LineTo(w-Offset, Offset);
ctx.LineTo(w, Offset);
ctx.MoveTo(Offset, Offset);
ctx.LineTo(Offset+(1.0d+shaft)*ew*(current-min), Offset);
ctx.MoveTo(w-Offset, Offset);
ctx.LineTo(w-Offset+(1.0d+shaft)*ew*(current-max), Offset);
ctx.Stroke();
xc = Offset+0.5d*ew;
for(int i = min; i <= max; i++) {
TextExtents te = ctx.TextExtents(i.ToString());
ctx.MoveTo(xc-0.5d*te.Width, 0.5d*(h+te.Height));
ctx.ShowText(i.ToString());
xc += (1.0d+shaft)*ew;
}
((IDisposable)ctx.Target).Dispose();
((IDisposable)ctx).Dispose();
return true;
}示例4: GenerateGraph
public static void GenerateGraph (List <ResultDbEntry> resultList, string filename)
{
// FIXME Exception if more than 50 results...
ImageSurface surface = new ImageSurface (Format.Rgb24, 103, 52);
Context context = new Context (surface);
// Fill with grad
LinearGradient grad = new LinearGradient (0.0, 0.0, 0.0, 52.0);
grad.AddColorStopRgb (0.0, new Color (1.0, 1.0, 1.0));
grad.AddColorStopRgb (1.0, new Color (0.8, 0.8, 0.9));
context.Pattern = grad;
context.Paint ();
// Frame
context.SetSourceRGB (0, 0, 0);
context.LineWidth = 1.0;
context.Rectangle (0.5, 0.5, 102.0, 51.0);
context.Stroke ();
long denominator = (long) (FindBiggestResult (resultList) * 1.2);
context.LineWidth = 1.5;
// FIXME Reverse to copy
resultList.Reverse ();
double x = 100.5 - ((resultList.Count - 1) * 2.0);
bool hasPrevResult = false;
long prevResult = 0;
foreach (ResultDbEntry entry in resultList) {
if (entry.Failure) {
x += 2.0;
continue;
}
double sz = ((double) entry.Time / denominator) * 50.0;
if (hasPrevResult && UtilFu.GetValueDifference (prevResult, entry.Time) > 0.1)
context.SetSourceRGB (1.0, 0.0, 0.0);
else if (hasPrevResult && UtilFu.GetValueDifference (prevResult, entry.Time) < -0.1)
context.SetSourceRGB (0.0, 1.0, 0.0);
else
context.SetSourceRGB (0.4, 0.4, 0.4);
context.MoveTo (x, 51);
context.LineTo (x, 51 - sz);
context.Stroke ();
x += 2.0;
hasPrevResult = true;
prevResult = entry.Time;
}
surface.WriteToPng (filename);
resultList.Reverse ();
((IDisposable) context).Dispose ();
((IDisposable) surface).Dispose ();
}示例5: DrawApplicationMenuItem
internal void DrawApplicationMenuItem(Context cr, Rectangle bodyAllocation, MenuItemState state, double roundSize, double lineWidth, double arrowSize, double arrowPadding, bool drawSeparator, ApplicationMenuItem widget)
{
double lineWidth05 = lineWidth / 2;
double lineWidth15 = lineWidth05 * 3;
double separatorX = bodyAllocation.X + bodyAllocation.Width - 2 * lineWidth - arrowSize - 2 * arrowPadding;
cr.LineWidth = lineWidth;
if(state != MenuItemState.Default)
{
LinearGradient bodyPattern, innerBorderPattern;
Color borderColor;
bodyPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb (0.0, new Color (1, 0.996, 0.890));
bodyPattern.AddColorStopRgb (0.37, new Color (1, 0.906, 0.592));
bodyPattern.AddColorStopRgb (0.43, new Color (1, 0.843, 0.314));
bodyPattern.AddColorStopRgb (1.0, new Color (1, 0.906, 0.588));
innerBorderPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop (0.0, new Color (1, 1, 0.969, 1));
innerBorderPattern.AddColorStop (1.0, new Color (1, 1, 0.969, 0));
borderColor = new Color (0.824, 0.753, 0.553);
double x0 = bodyAllocation.X + lineWidth05, y0 = bodyAllocation.Y + lineWidth05;
double x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05, y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
cr.MoveTo (x0 + roundSize, y0);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
cr.Pattern = bodyPattern;
cr.Fill ();
bodyPattern.Destroy ();
if(state == MenuItemState.HilightAction)
{
cr.Color = new Color (1, 1, 1, 0.7);
cr.MoveTo (x0 + roundSize, y0);
cr.LineTo (separatorX, y0);
cr.LineTo (separatorX, y1);
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
cr.Fill ();
}
else if(state == MenuItemState.HilightMenu)
{
cr.Color = new Color (1, 1, 1, 0.7);
cr.MoveTo (separatorX, y0);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
cr.LineTo (separatorX, y1);
cr.LineTo (separatorX, y0);
cr.Fill ();
}
x0 = bodyAllocation.X + lineWidth15; y0 = bodyAllocation.Y + lineWidth15;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth15; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth15;
double roundSizeMinusLineWidth = roundSize - lineWidth;
x0 -= lineWidth;
cr.MoveTo (x0 + roundSizeMinusLineWidth, y0);
cr.Arc (x1 - roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0, 0.5*Math.PI);
cr.Arc (x0 + roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0.5*Math.PI, Math.PI);
cr.Arc (x0 + roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, Math.PI, 1.5*Math.PI);
x0 += lineWidth;
cr.Pattern = innerBorderPattern;
cr.Stroke ();
innerBorderPattern.Destroy ();
x0 = bodyAllocation.X + lineWidth05; y0 = bodyAllocation.Y + lineWidth05;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
cr.MoveTo (x0 + roundSize, y0);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
cr.Color = borderColor;
cr.Stroke ();
}
if(arrowSize > 0)
{
double x, y;
x = separatorX;
y = bodyAllocation.Y + (bodyAllocation.Height - arrowSize) / 2.0;
if(drawSeparator)
{
double top = bodyAllocation.Y + 2 * lineWidth, bottom = bodyAllocation.Y + bodyAllocation.Height - 2 * lineWidth;
//.........这里部分代码省略.........