本文整理汇总了C#中Cairo.Context.SetSourceColor方法的典型用法代码示例。如果您正苦于以下问题：C# Cairo.Context.SetSourceColor方法的具体用法？C# Cairo.Context.SetSourceColor怎么用？C# Cairo.Context.SetSourceColor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.Context的用法示例。
在下文中一共展示了Cairo.Context.SetSourceColor方法的2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: RedrawText
/// <summary>
/// Draws the text.
/// </summary>
/// <param name="showCursor">Whether or not to show the mouse cursor in the drawing.</param>
/// <param name="useTextLayer">Whether or not to use the TextLayer (as opposed to the Userlayer).</param>
private void RedrawText(bool showCursor, bool useTextLayer)
{
Rectangle r = CurrentTextLayout.GetLayoutBounds();
r.Inflate(10 + OutlineWidth, 10 + OutlineWidth);
InflateAndInvalidate(r);
CurrentTextBounds = r;
Rectangle cursorBounds = Rectangle.Zero;
Cairo.ImageSurface surf;
if (!useTextLayer)
{
//Draw text on the current UserLayer's surface as finalized text.
surf = PintaCore.Workspace.ActiveDocument.CurrentUserLayer.Surface;
}
else
{
//Draw text on the current UserLayer's TextLayer's surface as re-editable text.
surf = PintaCore.Workspace.ActiveDocument.CurrentUserLayer.TextLayer.Layer.Surface;
ClearTextLayer();
}
using (var g = new Cairo.Context (surf)) {
g.Save ();
// Show selection if on text layer
if (useTextLayer) {
// Selected Text
Cairo.Color c = new Cairo.Color (0.7, 0.8, 0.9, 0.5);
foreach (Rectangle rect in CurrentTextLayout.SelectionRectangles)
g.FillRectangle (rect.ToCairoRectangle (), c);
}
if (selection != null) {
g.AppendPath (selection.SelectionPath);
g.FillRule = Cairo.FillRule.EvenOdd;
g.Clip ();
}
g.MoveTo (new Cairo.PointD (CurrentTextEngine.Origin.X, CurrentTextEngine.Origin.Y));
g.SetSourceColor (PintaCore.Palette.PrimaryColor);
//Fill in background
if (BackgroundFill) {
using (var g2 = new Cairo.Context (surf)) {
g2.FillRectangle(CurrentTextLayout.GetLayoutBounds().ToCairoRectangle(), PintaCore.Palette.SecondaryColor);
}
}
// Draw the text
if (FillText)
Pango.CairoHelper.ShowLayout (g, CurrentTextLayout.Layout);
if (FillText && StrokeText) {
g.SetSourceColor (PintaCore.Palette.SecondaryColor);
g.LineWidth = OutlineWidth;
Pango.CairoHelper.LayoutPath (g, CurrentTextLayout.Layout);
g.Stroke ();
} else if (StrokeText) {
g.SetSourceColor (PintaCore.Palette.PrimaryColor);
g.LineWidth = OutlineWidth;
Pango.CairoHelper.LayoutPath (g, CurrentTextLayout.Layout);
g.Stroke ();
}
if (showCursor) {
var loc = CurrentTextLayout.GetCursorLocation ();
var color = PintaCore.Palette.PrimaryColor;
g.Antialias = Cairo.Antialias.None;
g.DrawLine (new Cairo.PointD (loc.X, loc.Y),
new Cairo.PointD (loc.X, loc.Y + loc.Height),
color, 1);
cursorBounds = Rectangle.Inflate (loc, 2, 10);
}
g.Restore ();
if (useTextLayer && (is_editing || ctrlKey) && !CurrentTextEngine.IsEmpty())
{
//Draw the text edit rectangle.
g.Save();
g.Translate(.5, .5);
using (Cairo.Path p = g.CreateRectanglePath(CurrentTextBounds.ToCairoRectangle ()))
{
g.AppendPath(p);
//.........这里部分代码省略.........
示例2: BgBufferUpdate
public BgBufferUpdate (Minimpap mode)
{
this.mode = mode;
cr = Gdk.CairoHelper.Create (mode.backgroundBuffer);
cr.LineWidth = 1;
int w = mode.backgroundBuffer.ClipRegion.Clipbox.Width;
int h = mode.backgroundBuffer.ClipRegion.Clipbox.Height;
cr.Rectangle (0, 0, w, h);
if (mode.TextEditor.ColorStyle != null)
cr.SetSourceColor (mode.TextEditor.ColorStyle.PlainText.Background);
cr.Fill ();
maxLine = mode.TextEditor.GetTextEditorData ().VisibleLineCount;
sx = w / (double)mode.TextEditor.Allocation.Width;
sy = Math.Min (1, lineHeight * maxLine / (double)mode.TextEditor.GetTextEditorData ().TotalHeight );
cr.Scale (sx, sy);
handler = GLib.Idle.Add (BgBufferUpdater);
}