| public static GetBestSizeFit ( double size, Gtk availablesizes = null ) : Gtk.IconSize | ||
| size | double | |
| availablesizes | Gtk | |
| return | Gtk.IconSize | |
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height, double scaleFactor)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault(stockId);
if (iconset != null)
{
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit(width);
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null, scaleFactor);
if (result == null || result.Width < width * scaleFactor)
{
var gsize2x = Util.GetBestSizeFit(width * scaleFactor, iconset.Sizes);
if (gsize2x != Gtk.IconSize.Invalid && gsize2x != gsize)
{
// Don't dispose the previous result since the icon is owned by the IconSet
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize2x, null, null);
}
}
}
if (result == null && Gtk.IconTheme.Default.HasIcon(stockId))
{
result = Gtk.IconTheme.Default.LoadIcon(stockId, (int)width, (Gtk.IconLookupFlags) 0);
}
if (result == null)
{
return(CreateBitmap(Gtk.Stock.MissingImage, width, height, scaleFactor));
}
return(result);
}
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height, double scaleFactor)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault(stockId);
if (iconset != null)
{
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit(width);
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null, scaleFactor);
if (result == null || result.Width < width * scaleFactor)
{
var gsize2x = Util.GetBestSizeFit(width * scaleFactor, iconset.Sizes);
if (gsize2x != Gtk.IconSize.Invalid && gsize2x != gsize)
{
// Don't dispose the previous result since the icon is owned by the IconSet
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize2x, null, null);
}
}
}
if (result == null && Gtk.IconTheme.Default.HasIcon(stockId))
{
result = Gtk.IconTheme.Default.LoadIcon(stockId, (int)width, (Gtk.IconLookupFlags) 0);
}
if (result == null)
{
#if XWT_GTK3
// TODO: GTK3: render a custom gtk-missing-image icon if the stock icon
// if Gtk.Stock.MissingImage can not be loaded
return(CreateBitmap(Gtk.Stock.MissingImage, width, height, scaleFactor));
#else
int w = (int)width;
int h = (int)height;
Gdk.Pixmap pmap = new Gdk.Pixmap(Gdk.Screen.Default.RootWindow, w, h);
Gdk.GC gc = new Gdk.GC(pmap);
gc.RgbFgColor = new Gdk.Color(255, 255, 255);
pmap.DrawRectangle(gc, true, 0, 0, w, h);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
pmap.DrawRectangle(gc, false, 0, 0, (w - 1), (h - 1));
gc.SetLineAttributes(3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color(255, 0, 0);
pmap.DrawLine(gc, (w / 4), (h / 4), ((w - 1) - (w / 4)), ((h - 1) - (h / 4)));
pmap.DrawLine(gc, ((w - 1) - (w / 4)), (h / 4), (w / 4), ((h - 1) - (h / 4)));
return(Gdk.Pixbuf.FromDrawable(pmap, pmap.Colormap, 0, 0, 0, 0, w, h));
#endif
}
return(result);
}
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault(stockId);
if (iconset != null)
{
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit(width);
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null);
}
if (result == null && Gtk.IconTheme.Default.HasIcon(stockId))
{
result = Gtk.IconTheme.Default.LoadIcon(stockId, (int)width, (Gtk.IconLookupFlags) 0);
}
return(result);
}
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height, double scaleFactor)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault(stockId);
if (iconset != null)
{
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit(width);
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null, scaleFactor);
if (result == null || result.Width < width * scaleFactor)
{
var gsize2x = Util.GetBestSizeFit(width * scaleFactor, iconset.Sizes);
if (gsize2x != Gtk.IconSize.Invalid && gsize2x != gsize)
{
// Don't dispose the previous result since the icon is owned by the IconSet
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize2x, null, null);
}
}
}
if (result == null && Gtk.IconTheme.Default.HasIcon(stockId))
{
result = Gtk.IconTheme.Default.LoadIcon(stockId, (int)width, (Gtk.IconLookupFlags) 0);
}
if (result == null)
{
// render a custom gtk-missing-image icon
// if Gtk.Stock.MissingImage is not found
int w = (int)width;
int h = (int)height;
#if XWT_GTK3
Cairo.ImageSurface s = new Cairo.ImageSurface(Cairo.Format.ARGB32, w, h);
Cairo.Context cr = new Cairo.Context(s);
cr.SetSourceRGB(255, 255, 255);
cr.Rectangle(0, 0, w, h);
cr.Fill();
cr.SetSourceRGB(0, 0, 0);
cr.LineWidth = 1;
cr.Rectangle(0.5, 0.5, w - 1, h - 1);
cr.Stroke();
cr.SetSourceRGB(255, 0, 0);
cr.LineWidth = 3;
cr.LineCap = Cairo.LineCap.Round;
cr.LineJoin = Cairo.LineJoin.Round;
cr.MoveTo(w / 4, h / 4);
cr.LineTo((w - 1) - w / 4, (h - 1) - h / 4);
cr.MoveTo(w / 4, (h - 1) - h / 4);
cr.LineTo((w - 1) - w / 4, h / 4);
cr.Stroke();
result = Gtk3Extensions.GetFromSurface(s, 0, 0, w, h);
#else
using (Gdk.Pixmap pmap = new Gdk.Pixmap(Gdk.Screen.Default.RootWindow, w, h))
using (Gdk.GC gc = new Gdk.GC(pmap)) {
gc.RgbFgColor = new Gdk.Color(255, 255, 255);
pmap.DrawRectangle(gc, true, 0, 0, w, h);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
pmap.DrawRectangle(gc, false, 0, 0, (w - 1), (h - 1));
gc.SetLineAttributes(3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color(255, 0, 0);
pmap.DrawLine(gc, (w / 4), (h / 4), ((w - 1) - (w / 4)), ((h - 1) - (h / 4)));
pmap.DrawLine(gc, ((w - 1) - (w / 4)), (h / 4), (w / 4), ((h - 1) - (h / 4)));
result = Gdk.Pixbuf.FromDrawable(pmap, pmap.Colormap, 0, 0, 0, 0, w, h);
}
#endif
}
return(result);
}
