//paint me event
protected override bool OnExposeEvent(EventExpose evnt)
{
//deseneaza poza daca este cazul
if (BackgroundImage != null && Allocation.Width > 5 && Allocation.Height > 5)
{
if (BackgroundImageLayout == ImageLayout.None)
{
//draw the pixbuf normally
GdkWindow.DrawPixbuf(this.Style.BaseGC(State), BackgroundImage, 0, 0, 0, 0, BackgroundImage.Width, BackgroundImage.Height, Gdk.RgbDither.Normal, 0, 0);
}
else if (backgroundImageLayout == ImageLayout.Stretch)
{
//draw pixbuf stretched
Gdk.Pixbuf buf = BackgroundImage.ScaleSimple(Allocation.Width, Allocation.Height, Gdk.InterpType.Bilinear);
GdkWindow.DrawPixbuf(this.Style.WhiteGC, buf, 0, 0, 0, 0, Allocation.Width, Allocation.Height, Gdk.RgbDither.Normal, 0, 0);
}
else if (BackgroundImageLayout == ImageLayout.Center)
{
//draw the pixbuf on center
int x = (Allocation.Width / 2) - (BackgroundImage.Width / 2);
int y = (Allocation.Height / 2) - (BackgroundImage.Height / 2);
GdkWindow.DrawPixbuf(this.Style.BaseGC(State), BackgroundImage, 0, 0, x, y, BackgroundImage.Width, BackgroundImage.Height, Gdk.RgbDither.Normal, 0, 0);
}
else if (BackgroundImageLayout == ImageLayout.Tile)
{
//draw backgorund image as tiles
int nr_rows = (int)Math.Ceiling((double)(Allocation.Height / backgroundImage.Height)) + 1;
int nr_cols = (int)Math.Ceiling((double)(Allocation.Width / backgroundImage.Width)) + 1;
int x = 0, y = 0;
for (int i = 0; i < nr_rows; i++)
{
for (int j = 0; j < nr_cols; j++)
{
GdkWindow.DrawPixbuf(this.Style.WhiteGC, BackgroundImage, 0, 0, x, y, BackgroundImage.Width, BackgroundImage.Height, Gdk.RgbDither.Normal, x, y);
x += BackgroundImage.Width;
}
y += BackgroundImage.Height;
x = 0;
}
}
else if (BackgroundImageLayout == ImageLayout.Zoom)
{
//draw the zoomed image
int sx = Allocation.Width, sy = Allocation.Height;
int sizeX, sizeY;
if (((sx + 1.0f) / (sy + 1.0f)) < ((BackgroundImage.Width + 1.0f) / (1.0f + BackgroundImage.Height)))
{
sizeX = sx;
sizeY = (int)(BackgroundImage.Height * ((float)sx) / BackgroundImage.Width);
}
else
{
sizeY = sy;
sizeX = (int)(BackgroundImage.Width * ((float)sy) / BackgroundImage.Height);
}
Gdk.Pixbuf buf = BackgroundImage.ScaleSimple(sizeX, sizeY, Gdk.InterpType.Bilinear);
int x = (Allocation.Width / 2) - (buf.Width / 2);
int y = (Allocation.Height / 2) - (buf.Height / 2);
GdkWindow.DrawPixbuf(this.Style.WhiteGC, buf, 0, 0, x, y, buf.Width, buf.Height, Gdk.RgbDither.Normal, 0, 0);
}
}
base.OnExposeEvent(evnt);
//draw border
DrawBorder();
return(true);
}
