本文整理汇总了C#中Rect.ToCairo方法的典型用法代码示例。如果您正苦于以下问题：C# Rect.ToCairo方法的具体用法？C# Rect.ToCairo怎么用？C# Rect.ToCairo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Rect的用法示例。
在下文中一共展示了Rect.ToCairo方法的11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: DrawImage
public void DrawImage(IBitmap bitmap, double opacity, Rect sourceRect, Rect destRect)
{
var impl = bitmap.PlatformImpl as BitmapImpl;
var size = new Size(impl.PixelWidth, impl.PixelHeight);
var scaleX = destRect.Size.Width / sourceRect.Size.Width;
var scaleY = destRect.Size.Height / sourceRect.Size.Height;
_context.Save();
_context.Scale(scaleX, scaleY);
Gdk.CairoHelper.SetSourcePixbuf(_context, impl.Surface, (int)sourceRect.X, (int)sourceRect.Y);
_context.Rectangle(sourceRect.ToCairo());
_context.Fill();
_context.Restore();
}示例2: DrawImage
/// <summary>
/// Draws a bitmap image.
/// </summary>
/// <param name="source">The bitmap image.</param>
/// <param name="opacity">The opacity to draw with.</param>
/// <param name="sourceRect">The rect in the image to draw.</param>
/// <param name="destRect">The rect in the output to draw to.</param>
public void DrawImage(IBitmap bitmap, double opacity, Rect sourceRect, Rect destRect)
{
var impl = bitmap.PlatformImpl as BitmapImpl;
var size = new Size(impl.PixelWidth, impl.PixelHeight);
var scale = new Vector(destRect.Width / sourceRect.Width, destRect.Height / sourceRect.Height);
_context.Save();
_context.Scale(scale.X, scale.Y);
destRect /= scale;
if (opacityOverride < 1.0f) {
_context.PushGroup ();
Gdk.CairoHelper.SetSourcePixbuf (
_context,
impl.Surface,
-sourceRect.X + destRect.X,
-sourceRect.Y + destRect.Y);
_context.Rectangle (destRect.ToCairo ());
_context.Fill ();
_context.PopGroupToSource ();
_context.PaintWithAlpha (opacityOverride);
} else {
_context.PushGroup ();
Gdk.CairoHelper.SetSourcePixbuf (
_context,
impl.Surface,
-sourceRect.X + destRect.X,
-sourceRect.Y + destRect.Y);
_context.Rectangle (destRect.ToCairo ());
_context.Fill ();
_context.PopGroupToSource ();
_context.PaintWithAlpha (opacityOverride);
}
_context.Restore();
}示例3: DrawImage
/// <summary>
/// Draws a bitmap image.
/// </summary>
/// <param name="source">The bitmap image.</param>
/// <param name="opacity">The opacity to draw with.</param>
/// <param name="sourceRect">The rect in the image to draw.</param>
/// <param name="destRect">The rect in the output to draw to.</param>
public void DrawImage(IBitmap bitmap, double opacity, Rect sourceRect, Rect destRect)
{
var impl = bitmap.PlatformImpl as BitmapImpl;
var size = new Size(impl.PixelWidth, impl.PixelHeight);
var scale = new Vector(destRect.Width / sourceRect.Width, destRect.Height / sourceRect.Height);
_context.Save();
Gdk.CairoHelper.SetSourcePixbuf (
_context,
impl,
-sourceRect.X + destRect.X,
-sourceRect.Y + destRect.Y);
impl.Scale (impl, (int)destRect.X, (int)destRect.Y, (int)destRect.Width, (int)destRect.Height, 0, 0, scale.X, scale.Y, Gdk.InterpType.Bilinear);
_context.PushGroup ();
_context.Rectangle (destRect.ToCairo ());
_context.Fill ();
_context.PopGroupToSource ();
_context.PaintWithAlpha (opacityOverride);
_context.Restore();
}示例4: PushClip
/// <summary>
/// Pushes a clip rectange.
/// </summary>
/// <param name="clip">The clip rectangle.</param>
/// <returns>A disposable used to undo the clip rectangle.</returns>
public void PushClip(Rect clip)
{
_context.Save();
_context.Rectangle(clip.ToCairo());
_context.Clip();
}示例5: FillRectangle
/// <summary>
/// Draws a filled rectangle.
/// </summary>
/// <param name="brush">The brush.</param>
/// <param name="rect">The rectangle bounds.</param>
public void FillRectangle(IBrush brush, Rect rect, float cornerRadius)
{
using (var b = SetBrush(brush, rect.Size))
{
_context.Rectangle(rect.ToCairo ());
_context.Fill();
}
}示例6: DrawRectangle
/// <summary>
/// Draws the outline of a rectangle.
/// </summary>
/// <param name="pen">The pen.</param>
/// <param name="rect">The rectangle bounds.</param>
public void DrawRectangle(Pen pen, Rect rect, float cornerRadius)
{
using (var p = SetPen(pen, rect.Size))
{
_context.Rectangle(rect.ToCairo ());
_context.Stroke();
}
}示例7: PushClip
/// <summary>
/// Pushes a clip rectange.
/// </summary>
/// <param name="clip">The clip rectangle.</param>
/// <returns>A disposable used to undo the clip rectangle.</returns>
public IDisposable PushClip(Rect clip)
{
_context.Rectangle(clip.ToCairo());
_context.Clip();
return Disposable.Create(() => _context.ResetClip());
}示例8: FillRectange
/// <summary>
/// Draws a filled rectangle.
/// </summary>
/// <param name="brush">The brush.</param>
/// <param name="rect">The rectangle bounds.</param>
public void FillRectange(Brush brush, Rect rect, float cornerRadius)
{
SetBrush(brush, rect.Size);
_context.Rectangle(rect.ToCairo());
_context.Fill();
}示例9: FillRectange
/// <summary>
/// Draws a filled rectangle.
/// </summary>
/// <param name="brush">The brush.</param>
/// <param name="rect">The rectangle bounds.</param>
public void FillRectange(Perspex.Media.Brush brush, Rect rect, float cornerRadius)
{
this.SetBrush(brush);
this.context.Rectangle(rect.ToCairo());
this.context.Fill();
}示例10: DrawRectange
/// <summary>
/// Draws the outline of a rectangle.
/// </summary>
/// <param name="pen">The pen.</param>
/// <param name="rect">The rectangle bounds.</param>
public void DrawRectange(Pen pen, Rect rect, float cornerRadius)
{
this.SetPen(pen);
this.context.Rectangle(rect.ToCairo());
this.context.Stroke();
}示例11: DrawRectange
/// <summary>
/// Draws the outline of a rectangle.
/// </summary>
/// <param name="pen">The pen.</param>
/// <param name="rect">The rectangle bounds.</param>
public void DrawRectange(Pen pen, Rect rect)
{
this.SetPen(pen);
this.context.Rectangle(rect.ToCairo());
this.context.Stroke();
}