public Flipbook(Color backgroundColor)
{
ColorHistory = new Color[]
{
Colors.Black, Colors.White, Colors.Gray,
Colors.Blue, Colors.Green, Colors.Red,
Colors.Pink, Colors.Orange, Colors.Orchid
};
_background = new SolidColorBrush();
BackgroundColor = backgroundColor;
_tools = new Dictionary<string, ITool>
{
{"Pencil", new Pencil()},
{"Pen", new Pen()},
{"Highlighter", new Highlighter()},
{"Eraser", new Eraser(ref _background)},
};
CurrentTool = _tools["Pen"];
CurrentPage = new Page(this);
_pages = new List<Page> {CurrentPage};
}
public int GetPageNumber(Page page)
{
return _pages.IndexOf(page) + 1;
}
private Page GetPreviousPage(Page p)
{
Page prev = null;
if (_pages != null)
{
int index = _pages.IndexOf(p);
if (index > 0)
{
prev = _pages[index - 1];
}
}
return prev;
}
public void DeletePage(Page page)
{
int pageIndex = _pages.IndexOf(page);
if (page == CurrentPage)
{
if (PageCount == 1)
{
CurrentPage = new Page(this);
_pages = new List<Page> { CurrentPage };
}
else
{
MoveToPage(pageIndex - 1);
}
}
_pages.Remove(page);
RefreshPage();
HasUnsavedChanges = true;
}