public void OpenDimensionsDialog()
{
dimensionsDialog = new DimensionsDialog();
dimensionsDialog.SetInputRange(500, 6000);
dimensionsDialog.SetData(3000, editData.Collage.AspectRatio);
dimensionsDialog.Start();
}
public bool Update()
{
// adjust the size
if(step == 1)
{
if (dimensionsDialog == null && !dataAccess.GuiThread.WaitsToInvoke) dataAccess.GuiThread.Invoke(OpenDimensionsDialog);
if (!dataAccess.GuiThread.WaitsToInvoke)
{
if (dimensionsDialog.Response == Gtk.ResponseType.Cancel) {
dimensionsDialog.Destroy();
dimensionsDialog = null;
return false;
}
if (dimensionsDialog.Response == Gtk.ResponseType.Ok)
{
width = dimensionsDialog.InputWidth;
height = dimensionsDialog.InputHeight;
dimensionsDialog.Destroy();
dimensionsDialog = null;
step = 2;
}
}
}
// select a path where to save
if(step == 2)
{
if(sfw == null && !dataAccess.GuiThread.WaitsToInvoke) dataAccess.GuiThread.Invoke(OpenFileBrowser);
if(!dataAccess.GuiThread.IsBlockedByDialog)
{
fileName = sfw.SelectedPath;
sfw.Destroy();
sfw = null;
if (fileName == null) return false;
step = 3;
}
}
// render the image and size
if (step == 3)
{
// setup progress bar
dataAccess.GuiThread.Invoke(StartProgressBar);
while (progressBar == null) ; // wait until the bar is setup
progressBar.TotalSteps = editData.Collage.Images.Count + 2;
Rectangle dimensions = new Rectangle(0, 0, width, height);
Texture2D render = Render(dimensions, width, height);
// correct alpha
progressBar.StepUp("correct alpha");
Color[] colors = new Color[width * height];
render.GetData<Color>(colors);
for (int i = 0; i < colors.Length; i++)
{
colors[i].A = 255;
}
render.SetData<Color>(colors);
colors = null;
GC.Collect();
System.Drawing.Bitmap bitmap = Utils.ToBitmap(render);
progressBar.StepUp("Save");
bitmap.Save(fileName);
bitmap.Dispose();
render.Dispose();
GC.Collect();
progressBar.Destroy();
step = 4;
}
return step < 4;
}