public static PlatformBitmap From(string filename)
{
using (FileStream stream = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
return(PlatformBitmap.From(stream, IsOpaque(filename)));
}
}
public static PlatformBitmap FromResource(string name)
{
Assembly ass = Assembly.GetCallingAssembly();
Stream stream = ass.GetManifestResourceStream(string.Format("{0}.{1}", ass.GetName().Name, name));
if (stream == null)
{
stream = ass.GetManifestResourceStream(name);
}
return(PlatformBitmap.From(stream, IsOpaque(name)));
}
protected override void OnPaint(WindowlessPaintEventArgs e)
{
PlatformBitmap bitmap = myBitmap.Value;
if (bitmap != null)
{
bitmap.Draw(e.Graphics, new Rectangle(e.Origin.X, e.Origin.Y, ClientWidth, ClientHeight), new Rectangle(0, 0, bitmap.Width, bitmap.Height));
//bitmap.Draw(e.Graphics, e.ClipRectangle,
//if (Transparent)
// e.Graphics.DrawImage(bitmap, new Rectangle(e.Origin.X, e.Origin.Y, ClientWidth, ClientHeight), 0, 0, bitmap.Width, bitmap.Height, GraphicsUnit.Pixel, WindowlessControlHost.TransparentImageAttributes);
//else
// e.Graphics.DrawImage(bitmap, new Rectangle(e.Origin.X, e.Origin.Y, ClientWidth, ClientHeight), new Rectangle(0, 0, bitmap.Width, bitmap.Height), GraphicsUnit.Pixel);
}
}
public override bool MeasureUnpadded(Size bounds, bool boundsChange)
{
PlatformBitmap bitmap = myBitmap.Value;
if (bitmap == null)
{
ClientWidth = ClientHeight = 0;
return(false);
}
// no stretch, unless it won't fit
if (Stretch == Stretch.None && bounds.Width > bitmap.Width && bounds.Height > bitmap.Height)
{
ClientWidth = bitmap.Width;
ClientHeight = bitmap.Height;
return(false);
}
else if (Stretch == Stretch.Normal && bounds.Width != Int32.MaxValue && bounds.Height != Int32.MaxValue)
{
ClientWidth = bounds.Width;
ClientHeight = bounds.Height;
return(false);
}
// uniform stretch/uniform shrink
float ratio = (float)bitmap.Width / (float)bitmap.Height;
if (bounds.Width / ratio > bounds.Height)
{
ClientHeight = bounds.Height;
ClientWidth = (int)Math.Round(bounds.Height * ratio, 0);
}
else
{
ClientWidth = bounds.Width;
ClientHeight = (int)Math.Round(bounds.Width / ratio, 0);
}
return(false);
}
void BitmapChanged(object sender, DependencyPropertyEventArgs e)
{
PlatformBitmap oldBitmap = e.OldValue as PlatformBitmap;
PlatformBitmap newBitmap = e.NewValue as PlatformBitmap;
Size originalSize = Size.Empty;
if (oldBitmap != null)
{
originalSize = new Size(oldBitmap.Width, oldBitmap.Height);
}
Size newSize = Size.Empty;
if (newBitmap != null)
{
newSize = new Size(newBitmap.Width, newBitmap.Height);
}
if (originalSize != newSize)
{
Remeasure();
}
WindowlessControlHost.WindowlessInvalidate(this);
}
public WindowlessImage(PlatformBitmap bitmap, Stretch stretch, Thickness margin)
: this(bitmap, stretch)
{
Margin = margin;
}
public WindowlessImage(PlatformBitmap bitmap, Stretch stretch)
: this(bitmap)
{
myStretch = stretch;
}
public WindowlessImage(PlatformBitmap bitmap)
: this()
{
myBitmap.Value = bitmap;
}
public ImageButton(PlatformBitmap bitmap, Stretch stretch, PlatformBitmap focusedBitmap, PlatformBitmap clickedBitmap)
: this(bitmap, stretch, focusedBitmap)
{
Control.ClickedBitmap = clickedBitmap;
}
public ImageButton(PlatformBitmap bitmap, Stretch stretch, PlatformBitmap focusedBitmap)
: this(bitmap, stretch)
{
Control.FocusedBitmap = focusedBitmap;
}
public ImageButton(PlatformBitmap bitmap, Stretch stretch)
: this()
{
Control.Bitmap = bitmap;
Control.Stretch = stretch;
}
public WindowlessImage(PlatformBitmap bitmap, Stretch stretch, Thickness margin)
: this(bitmap, stretch)
{
Margin = margin;
}
public WindowlessImage(PlatformBitmap bitmap, Stretch stretch)
: this(bitmap)
{
myStretch = stretch;
}
public WindowlessImage(PlatformBitmap bitmap)
: this()
{
myBitmap.Value = bitmap;
}
public StandardBitmap(Stream stream)
{
myBitmap = new Bitmap(PlatformBitmap.OptimizeBitmap(stream));
}
