/// <summary>
/// Opens a dialog for the user to add images as frames.
/// </summary>
/// <param name="spriteSheet">
/// The sprite sheet to add files to if the user successfully adds images.
/// </param>
private void AddFiles(SpriteSheet spriteSheet)
{
OpenFileDialog dlg = new OpenFileDialog
{
CheckPathExists = true,
DefaultExt = ".png",
Filter = "png files|*.png",
Multiselect = true
};
try
{
if (dlg.ShowDialog() == true)
{
foreach (string fname in dlg.FileNames)
{
string file = System.IO.Path.GetFileNameWithoutExtension(fname);
Model.Frame newFrame = new Model.Frame($"{file}");
newFrame.SetRelativePath(new Uri(fname), new Uri(projectSaveUrl));
spriteSheet.Frames.Add(newFrame);
}
SetWorkUnsavedIndicator(true);
}
}
catch
{
MessageBox.Show(
"One or more of the indicated files could not be loaded.",
"Add files failed",
MessageBoxButton.OK,
MessageBoxImage.Error);
}
}
/// <summary>
/// Attempts to read the width and height metadata of all frames in the spritesheet, and
/// updates the associated frames' width and height dimensions.
/// </summary>
/// <exception cref="ArgumentException"/>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="PathTooLongException"/>
/// <exception cref="DirectoryNotFoundException"/>
/// <exception cref="UnauthorizedAccessException"/>
/// <exception cref="FileNotFoundException"/>
/// <exception cref="NotSupportedException"/>
/// <exception cref="IOException"/>
private void RefreshImageDimensions(SpriteSheet spriteSheet)
{
for (int i = 0; i < spriteSheet.Frames.Count; i++)
{
Model.Frame frame = spriteSheet.Frames[i];
using (FileStream imageStream = File.OpenRead(frame.GetAbsolutePath(projectSaveUrl)))
{
BitmapDecoder decoder = BitmapDecoder.Create(
imageStream,
BitmapCreateOptions.IgnoreColorProfile,
BitmapCacheOption.Default);
frame.W = decoder.Frames[0].PixelWidth;
frame.H = decoder.Frames[0].PixelHeight;
}
}
}
