public static Bitmap LoadBitmap(string filename, ref bool isSaveSupported)
{
if (string.IsNullOrEmpty(filename))
{
return(null);
}
Bitmap fileBitmap = null;
LOG.InfoFormat("Loading image from file {0}", filename);
// Fixed lock problem Bug #3431881
using (Stream imageFileStream = File.OpenRead(filename)) {
// And fixed problem that the bitmap stream is disposed... by Cloning the image
// This also ensures the bitmap is correctly created
if (filename.EndsWith(".ico"))
{
// Icon logic, try to get the Vista icon, else the biggest possible
using (Image tmpImage = ExtractVistaIcon(imageFileStream)) {
if (tmpImage != null)
{
fileBitmap = CloneImageToBitmap(tmpImage);
isSaveSupported = false;
}
}
if (fileBitmap == null)
{
// No vista icon, try normal icon
imageFileStream.Position = 0;
// We create a copy of the bitmap, so everything else can be disposed
using (Icon tmpIcon = new Icon(imageFileStream, new Size(1024, 1024))) {
using (Image tmpImage = tmpIcon.ToBitmap()) {
fileBitmap = ImageHelper.CloneImageToBitmap(tmpImage);
isSaveSupported = false;
}
}
}
}
if (fileBitmap == null)
{
// We create a copy of the bitmap, so everything else can be disposed
using (Image tmpImage = Image.FromStream(imageFileStream, true, true)) {
if (tmpImage is Metafile)
{
isSaveSupported = false;
}
fileBitmap = ImageHelper.CloneImageToBitmap(tmpImage);
}
}
}
return(fileBitmap);
}
