// Flatten image
public void FlattenImage()
{
if (UserLayers.Count < 2)
{
throw new InvalidOperationException("Cannot flatten image because there is only one layer.");
}
// Find the "bottom" layer
var bottom_layer = UserLayers[0];
var old_surf = bottom_layer.Surface;
// Replace the bottom surface with the flattened image,
// and dispose the old surface
bottom_layer.Surface = GetFlattenedImage();
(old_surf as IDisposable).Dispose();
// Reset our layer pointer to the only remaining layer
current_layer = 0;
// Delete all other layers
while (UserLayers.Count > 1)
{
UserLayers.RemoveAt(1);
}
PintaCore.Layers.OnLayerRemoved();
Workspace.Invalidate();
}
// Clean up any native resources we had
public void Close()
{
// Dispose all of our layers
while (UserLayers.Count > 0)
{
Layer l = UserLayers[UserLayers.Count - 1];
UserLayers.RemoveAt(UserLayers.Count - 1);
(l.Surface as IDisposable).Dispose();
}
current_layer = -1;
if (tool_layer != null)
{
(tool_layer.Surface as IDisposable).Dispose();
}
if (selection_layer != null)
{
(selection_layer.Surface as IDisposable).Dispose();
}
Selection.DisposeSelection();
Workspace.History.Clear();
}
public void Clear()
{
while (UserLayers.Count > 0)
{
Layer l = UserLayers[UserLayers.Count - 1];
UserLayers.RemoveAt(UserLayers.Count - 1);
(l.Surface as IDisposable).Dispose();
}
current_layer = -1;
PintaCore.Layers.OnLayerRemoved();
}
// Move current layer up
public void MoveCurrentLayerUp()
{
if (current_layer == UserLayers.Count)
{
throw new InvalidOperationException("Cannot move layer up because current layer is the top layer.");
}
UserLayer layer = CurrentUserLayer;
UserLayers.RemoveAt(current_layer);
UserLayers.Insert(++current_layer, layer);
PintaCore.Layers.OnSelectedLayerChanged();
Workspace.Invalidate();
}
// Move current layer down
public void MoveCurrentLayerDown()
{
if (current_layer == 0)
{
throw new InvalidOperationException("Cannot move layer down because current layer is the bottom layer.");
}
UserLayer layer = CurrentUserLayer;
UserLayers.RemoveAt(current_layer);
UserLayers.Insert(--current_layer, layer);
PintaCore.Layers.OnSelectedLayerChanged();
Workspace.Invalidate();
}
// Delete the current layer
public void DeleteCurrentLayer()
{
Layer layer = CurrentUserLayer;
UserLayers.RemoveAt(current_layer);
// Only change this if this wasn't already the bottom layer
if (current_layer > 0)
{
current_layer--;
}
layer.PropertyChanged -= RaiseLayerPropertyChangedEvent;
PintaCore.Layers.OnLayerRemoved();
}
// Delete the layer
public void DeleteLayer(int index, bool dispose)
{
Layer layer = UserLayers[index];
UserLayers.RemoveAt(index);
if (dispose)
{
(layer.Surface as IDisposable).Dispose();
}
// Only change this if this wasn't already the bottom layer
if (current_layer > 0)
{
current_layer--;
}
layer.PropertyChanged -= RaiseLayerPropertyChangedEvent;
PintaCore.Layers.OnLayerRemoved();
}