本文整理汇总了C#中Xwt.DrawImage方法的典型用法代码示例。如果您正苦于以下问题：C# Xwt.DrawImage方法的具体用法？C# Xwt.DrawImage怎么用？C# Xwt.DrawImage使用的例子？那么恭喜您, 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Xwt的用法示例。
在下文中一共展示了Xwt.DrawImage方法的8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: OnDraw
protected override void OnDraw(Xwt.Drawing.Context ctx)
{
base.OnDraw (ctx);
ctx.SetLineDash (15, 10, 10, 5, 5);
ctx.Rectangle (100, 100, 100, 100);
ctx.Stroke ();
ctx.SetLineDash (0);
ImageBuilder ib = new ImageBuilder (30, 30, ImageFormat.ARGB32);
ib.Context.Arc (15, 15, 15, 0, 360);
ib.Context.SetColor (new Color (1, 0, 1));
ib.Context.Rectangle (0, 0, 5, 5);
ib.Context.Fill ();
var img = ib.ToImage ();
ctx.DrawImage (img, 90, 90);
ctx.DrawImage (img, 90, 140, 50, 10);
ctx.Arc (190, 190, 15, 0, 360);
ctx.SetColor (new Color (1, 0, 1, 0.4));
ctx.Fill ();
ctx.Save ();
ctx.Translate (90, 220);
ctx.Pattern = new ImagePattern (img);
ctx.Rectangle (0, 0, 100, 70);
ctx.Fill ();
ctx.Restore ();
ctx.Translate (30, 30);
double end = 270;
for (double n = 0; n<=end; n += 5) {
ctx.Save ();
ctx.Rotate (n);
ctx.MoveTo (0, 0);
ctx.RelLineTo (30, 0);
double c = n / end;
ctx.SetColor (new Color (c, c, c));
ctx.Stroke ();
ctx.Restore ();
}
}示例2: DrawImageSized
private void DrawImageSized(PageImage pi, Xwt.Drawing.Image im, Xwt.Drawing.Context g, Xwt.Rectangle r)
{
double height, width; // some work variables
StyleInfo si = pi.SI;
Xwt.Rectangle r2 = new Xwt.Rectangle(r.X + PixelsX(si.PaddingLeft),
r.Y + PixelsY(si.PaddingTop),
r.Width - PixelsX(si.PaddingLeft + si.PaddingRight),
r.Height - PixelsY(si.PaddingTop + si.PaddingBottom));
Xwt.Rectangle ir; // int work rectangle
switch (pi.Sizing)
{
case ImageSizingEnum.AutoSize:
float imwidth = PixelsX( (float)im.Size.Width);
float imheight = PixelsX( (float)im.Size.Height);
ir = new Xwt.Rectangle(Convert.ToInt32(r2.X), Convert.ToInt32(r2.Y),
imwidth, imheight);
im.Scale((int)r2.Width, (int)r2.Height);
g.DrawImage(im, ir);
break;
case ImageSizingEnum.Clip:
g.Save();
g.Rectangle(r2);
g.Clip();
ir = new Xwt.Rectangle(Convert.ToInt32(r2.X), Convert.ToInt32(r2.Y),
im.Size.Width, im.Size.Height);
g.DrawImage(im, ir);
g.Restore();
break;
case ImageSizingEnum.FitProportional:
double ratioIm = (float)im.Size.Height / (float)im.Size.Width;
double ratioR = r2.Height / r2.Width;
height = r2.Height;
width = r2.Width;
if (ratioIm > ratioR)
{
// this means the rectangle width must be corrected
width = height * (1 / ratioIm);
}
else if (ratioIm < ratioR)
{
// this means the ractangle height must be corrected
height = width * ratioIm;
}
r2 = new Xwt.Rectangle(r2.X, r2.Y, width, height);
g.DrawImage(im, r2);
break;
case ImageSizingEnum.Fit:
default:
g.DrawImage(im, r2);
break;
}
}示例3: OnDraw
protected override void OnDraw (Xwt.Drawing.Context ctx, Xwt.Rectangle dirtyRect)
{
base.OnDraw (ctx, dirtyRect);
if (image != null) {
ctx.DrawImage (image, 0, 0);
if (filler != null) {
int fillCount = (int)Math.Ceiling ((Bounds.Width - image.Width) / filler.Width);
double x = image.Width;
while ((fillCount--) > 0) {
ctx.DrawImage (filler, x, 0);
x += filler.Width;
}
}
}
}示例4: OnDraw
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect)
{
if (!Sensitive)
{
ctx.GlobalAlpha = .5d;
}
if (image == null)
{
ctx.SetColor(bg);
ctx.Rectangle(dirtyRect);
ctx.Fill();
}
else
ctx.DrawImage(image, new Rectangle(0, 0, WidthRequest, HeightRequest));
if (mOver && Sensitive)
{
ctx.SetColor(mOverColor);
ctx.Rectangle(dirtyRect);
ctx.Fill();
}
if (mDown)
{
ctx.SetColor(mOverColor);
ctx.Rectangle(dirtyRect);
ctx.Fill();
}
//ctx.SetColor(Colors.Red);
//ctx.Rectangle(0, 0, WidthRequest, HeightRequest);
//ctx.Stroke();
}示例5: OnDraw
protected override void OnDraw(Xwt.Drawing.Context ctx, Xwt.Rectangle dirtyRect)
{
int width = (int)this.Size.Width, height = (int)this.Size.Height;
ctx.DrawImage(Build(width, height), new Xwt.Point(0, 0), this.ParentWindow.Screen.ScaleFactor);
}示例6: OnDraw
protected override void OnDraw(Xwt.Drawing.Context ctx)
{
base.OnDraw (ctx);
// Simple rectangles
ctx.SetLineWidth (1);
ctx.Rectangle (100, 5, 10, 10);
ctx.SetColor (Color.Black);
ctx.Fill ();
ctx.Rectangle (115, 5, 10, 10);
ctx.SetColor (Color.Black);
ctx.Stroke ();
//
ctx.SetLineWidth (3);
ctx.Rectangle (100, 20, 10, 10);
ctx.SetColor (Color.Black);
ctx.Fill ();
ctx.Rectangle (115, 20, 10, 10);
ctx.SetColor (Color.Black);
ctx.Stroke ();
// Rectangle with hole
ctx.Rectangle (10, 100, 40, 40);
ctx.MoveTo (45, 135);
ctx.RelLineTo (0, -20);
ctx.RelLineTo (-20, 0);
ctx.RelLineTo (0, 20);
ctx.ClosePath ();
ctx.SetColor (Color.Black);
ctx.Fill ();
// Dashed lines
ctx.SetLineDash (15, 10, 10, 5, 5);
ctx.Rectangle (100, 100, 100, 100);
ctx.Stroke ();
ctx.SetLineDash (0);
ImageBuilder ib = new ImageBuilder (30, 30, ImageFormat.ARGB32);
ib.Context.Arc (15, 15, 15, 0, 360);
ib.Context.SetColor (new Color (1, 0, 1));
ib.Context.Rectangle (0, 0, 5, 5);
ib.Context.Fill ();
var img = ib.ToImage ();
ctx.DrawImage (img, 90, 90);
ctx.DrawImage (img, 90, 140, 50, 10);
ctx.Arc (190, 190, 15, 0, 360);
ctx.SetColor (new Color (1, 0, 1, 0.4));
ctx.Fill ();
ctx.Save ();
ctx.Translate (90, 220);
ctx.Pattern = new ImagePattern (img);
ctx.Rectangle (0, 0, 100, 70);
ctx.Fill ();
ctx.Restore ();
ctx.Translate (30, 30);
double end = 270;
for (double n = 0; n<=end; n += 5) {
ctx.Save ();
ctx.Rotate (n);
ctx.MoveTo (0, 0);
ctx.RelLineTo (30, 0);
double c = n / end;
ctx.SetColor (new Color (c, c, c));
ctx.Stroke ();
ctx.Restore ();
}
ctx.ResetTransform ();
}示例7: OnDraw
protected override void OnDraw(Xwt.Drawing.Context ctx, Xwt.Rectangle dirtyRect)
{
if (ParentWindow.Visible)
{
System.Drawing.Bitmap B = new System.Drawing.Bitmap((int)(dirtyRect.Width * this.ParentWindow.Screen.ScaleFactor), (int)(dirtyRect.Height * this.ParentWindow.Screen.ScaleFactor));
System.Drawing.Graphics G = System.Drawing.Graphics.FromImage(B);
G.FillRectangle(
new System.Drawing.SolidBrush(System.Drawing.Color.White),
new System.Drawing.Rectangle(0, 0, B.Width - 1, B.Height - 1)
);
List<GradientButton> S = this.Buttons.OrderBy(X => X.CurrentMode).ToList();
S.ForEach(X =>
{
X.DrawDescription = (X.Size.Width != this.ButtonSize);
X.DrawImg = true;
X.Draw(G, new System.Drawing.PointF((float)X.Position.X, (float)X.Position.Y), this.ParentWindow.Screen.ScaleFactor);
});
ctx.DrawImage(B, new Point(0, 0), this.ParentWindow.Screen.ScaleFactor);
}
}示例8: OnDraw
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect)
{
if (Bounds.IsEmpty)
return;
// Copy plotCache to on-screen display
ctx.DrawImage (plotImage, dirtyRect);
// draw some overlay over this
DrawFocus (ctx, cursorX, cursorY);
}