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Merge pull request #15 from bl8/fix-draw-samples

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Fix drawing samples
This commit is contained in:
Mike Kestner 2011-07-29 09:50:30 -07:00
parent da1481b23d 6e6d448cf2
commit c7657fcab4
2 changed files with 5 additions and 16 deletions
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17
sample/GtkDemo/DemoColorSelection.cs
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@ -30,7 +30,6 @@ namespace GtkDemo
vbox.PackStart (frame, true, true, 0); vbox.PackStart (frame, true, true, 0);
drawingArea = new DrawingArea (); drawingArea = new DrawingArea ();
drawingArea.Drawn += new DrawnHandler (DrawnCallback);
// set a minimum size // set a minimum size
drawingArea.SetSizeRequest (200,200); drawingArea.SetSizeRequest (200,200);
// set the color // set the color
@ -56,18 +55,6 @@ namespace GtkDemo
return true; return true;
} }
// Drawn callback for the drawing area
private void DrawnCallback (object o, DrawnArgs args)
{
Cairo.Context cr = args.Cr;
Gdk.RGBA rgba = StyleContext.GetBackgroundColor (StateFlags.Normal);
cr.SetSourceRGBA (rgba.Red, rgba.Green, rgba.Blue, rgba.Alpha);
cr.Paint ();
args.RetVal = true;
}
private void ChangeColorCallback (object o, EventArgs args) private void ChangeColorCallback (object o, EventArgs args)
{ {
using (ColorSelectionDialog colorSelectionDialog = new ColorSelectionDialog ("Changing color")) { using (ColorSelectionDialog colorSelectionDialog = new ColorSelectionDialog ("Changing color")) {
@ -77,8 +64,8 @@ namespace GtkDemo
colorSelectionDialog.ColorSelection.HasPalette = true; colorSelectionDialog.ColorSelection.HasPalette = true;
if (colorSelectionDialog.Run () == (int) ResponseType.Ok) { if (colorSelectionDialog.Run () == (int) ResponseType.Ok) {
Gdk.RGBA selected = colorSelectionDialog.ColorSelection.CurrentRgba; color = colorSelectionDialog.ColorSelection.CurrentRgba;
drawingArea.OverrideBackgroundColor (StateFlags.Normal, selected); drawingArea.OverrideBackgroundColor (StateFlags.Normal, color);
} }
colorSelectionDialog.Hide (); colorSelectionDialog.Hide ();

4
sample/GtkDemo/DemoDrawingArea.cs
View file

@ -112,6 +112,7 @@ namespace GtkDemo
cr.SetSourceRGB (1, 1, 1); cr.SetSourceRGB (1, 1, 1);
// If we're outside the clip, this will do nothing. // If we're outside the clip, this will do nothing.
cr.Rectangle (i, j, CheckSize, CheckSize); cr.Rectangle (i, j, CheckSize, CheckSize);
cr.Fill ();
j += CheckSize + Spacing; j += CheckSize + Spacing;
++ycount; ++ycount;
@ -146,6 +147,7 @@ namespace GtkDemo
surface = widget.Window.CreateSimilarSurface (Cairo.Content.Color, allocation.Width, allocation.Height); surface = widget.Window.CreateSimilarSurface (Cairo.Content.Color, allocation.Width, allocation.Height);
var cr = new Cairo.Context (surface); var cr = new Cairo.Context (surface);
cr.SetSourceRGB (1, 1, 1);
cr.Paint (); cr.Paint ();
((IDisposable)cr).Dispose (); ((IDisposable)cr).Dispose ();
@ -186,8 +188,8 @@ namespace GtkDemo
var update_rect = new Gdk.Rectangle ((int)x - 3, (int)y - 3, 6, 6); var update_rect = new Gdk.Rectangle ((int)x - 3, (int)y - 3, 6, 6);
var cr = new Cairo.Context (surface); var cr = new Cairo.Context (surface);
cr.Fill ();
Gdk.CairoHelper.Rectangle (cr, update_rect); Gdk.CairoHelper.Rectangle (cr, update_rect);
cr.Fill ();
((IDisposable)cr).Dispose (); ((IDisposable)cr).Dispose ();