public void InitializePages()
{
RedoChangeList.Clear();
UndoChangeList.Clear();
CurrentSignatures.Clear();
var bigImageHeight = 0;
foreach (var b in Images)
{
bigImageHeight += b.PixelHeight;
}
CurrentCropsAndSkips = new CropsAndSkips(new List <int>(), new List <Skip>());
var positionY = 0;
var first = true;
while (positionY + MaxCropHeight < bigImageHeight)
{
var page = CreateNewPage(null);
page.CropShift = positionY;
positionY += page.CropHeight;
CurrentCropsAndSkips.Crops.Add(page.CropHeight);
Pages.Add(page);
if (first)
{
MaxCropHeight = page.MaxCropHeight;
first = false;
}
}
// add last crop
var lastPage = CreateNewPage(null);
lastPage.CropShift = positionY;
lastPage.CropHeight = bigImageHeight - positionY;
CurrentCropsAndSkips.Crops.Add(bigImageHeight - positionY);
Pages.Add(lastPage);
var document = new FixedDocument();
foreach (var p in Pages)
{
document.Pages.Add(p.Page);
}
Document = document;
}
public void DeleteArea(int pageToEdit, double _start, double _end)
{
var start = CalculatePixelPosY_WholeImage(_start, pageToEdit);
var end = CalculatePixelPosY_WholeImage(_end, pageToEdit);
var newCropsAndSkips = CurrentCropsAndSkips.Copy();
newCropsAndSkips.Crops[pageToEdit] = newCropsAndSkips.Crops[pageToEdit] - (Pages[pageToEdit].CalculatePixelPosY(_end) - Pages[pageToEdit].CalculatePixelPosY(_start));
newCropsAndSkips.InsertSkip(new Skip()
{
SkipType = SkipType.Y, SkipStart = start, SkipEnd = end
});
UndoChangeList.Add(CurrentCropsAndSkips);
CurrentCropsAndSkips = newCropsAndSkips;
UpdatePages();
}
public void MergePages(int from, int to)
{
var newCropsAndSkips = CurrentCropsAndSkips.Copy();
var newCropHeight = CurrentCropsAndSkips.Crops[from];
for (int i = to; i > from; i--)
{
newCropHeight += CurrentCropsAndSkips.Crops[i];
newCropsAndSkips.Crops.RemoveAt(i);
}
newCropsAndSkips.Crops[from] = newCropHeight;
UndoChangeList.Add(CurrentCropsAndSkips);
CurrentCropsAndSkips = newCropsAndSkips;
UpdatePages();
}
public void UndoChange()
{
if (UndoChangeList.Count > 0)
{
if (UndoChangeList[UndoChangeList.Count - 1] is CropsAndSkips cropsAndSkips)
{
CurrentCropsAndSkips = cropsAndSkips;
UpdatePages();
}
else if (UndoChangeList[UndoChangeList.Count - 1] is SignatureChanges signatureChanges)
{
ProcessSignatureChanges(signatureChanges, true);
}
RedoChangeList.Add(UndoChangeList[UndoChangeList.Count - 1]);
UndoChangeList.RemoveAt(UndoChangeList.Count - 1);
}
}
public void SkipPage(int pageToSkip)
{
if (Pages.Count > 1)
{
var newCropsAndSkips = CurrentCropsAndSkips.Copy();
newCropsAndSkips.Crops.RemoveAt(pageToSkip);
var skipStart = CalculatePixelPosY_WholeImage(0, pageToSkip);
var skipEnd = CalculatePixelPosY_WholeImage(CurrentCropsAndSkips.Crops[pageToSkip], pageToSkip);
newCropsAndSkips.InsertSkip(new Skip()
{
SkipType = SkipType.Y, SkipStart = skipStart, SkipEnd = skipEnd
});
UndoChangeList.Add(CurrentCropsAndSkips);
CurrentCropsAndSkips = newCropsAndSkips;
UpdatePages();
}
}
public void RedoChange()
{
if (RedoChangeList.Count > 0)
{
if (RedoChangeList[RedoChangeList.Count - 1] is CropsAndSkips cropsAndSkips)
{
UndoChangeList.Add(CurrentCropsAndSkips);
CurrentCropsAndSkips = cropsAndSkips;
UpdatePages();
}
else if (RedoChangeList[RedoChangeList.Count - 1] is SignatureChanges signatureChanges)
{
ProcessSignatureChanges(signatureChanges, false);
}
UndoChangeList.Add(RedoChangeList[RedoChangeList.Count - 1]);
RedoChangeList.RemoveAt(RedoChangeList.Count - 1);
}
}
/// <param name="percentage">the vertical position percentage relative to the page (with margin)</param>
public void SplitPageAt(int pageToEdit, double percentage)
{
var splitAt = Pages[pageToEdit].CalculatePixelPosY(percentage);
if (splitAt != Pages[pageToEdit].CropHeight)
{
var newCropsAndSkips = CurrentCropsAndSkips.Copy();
if (newCropsAndSkips.Crops.Count - 1 > pageToEdit)
{
newCropsAndSkips.Crops[pageToEdit + 1] = CurrentCropsAndSkips.Crops[pageToEdit + 1] + (CurrentCropsAndSkips.Crops[pageToEdit] - splitAt);
}
else
{
newCropsAndSkips.Crops.Add(CurrentCropsAndSkips.Crops[pageToEdit] - splitAt);
}
newCropsAndSkips.Crops[pageToEdit] = splitAt;
UndoChangeList.Add(CurrentCropsAndSkips);
CurrentCropsAndSkips = newCropsAndSkips;
UpdatePages();
}
}