bool addSubitem(ImagesRow r, StackableImage image, int maxHeight)
{
for (int i = 0; i < r.Count; ++i)
{
if (r[i].GetItemType() == RowType.Rows)
{
if (Add(r[i] as ImagesRows, image, r[i].Width, r.Height, false, true))
{
return(true);
}
}
else
{
StackableImage desc = r[i] as StackableImage;
if (r.Height - desc.Height < image.Height || desc.Width < image.Width)
{
continue;
}
if (desc != null)
{
ImagesRows subrows = new ImagesRows();
Add(subrows, desc, desc.Width, maxHeight, false, true);
Add(subrows, image, desc.Width, maxHeight, false, true);
r.Insert(subrows, i);
r.Remove(desc);
return(true);
}
}
}
return(false);
}
void reuseRows(ImagesRows rows)
{
for (int i = 0; i < rows.RowCount; ++i)
{
reuseRow(rows[i] as ImagesRow);
}
}
public void updateImages(ImageAction action)
{
ImagesLayout oldLayout = mLayout;
mLayout = mScreenComposer.GetNextLayout();
if (mLayout != null)
{
ImagesRows rows = mLayout.Rows;
int i = 0;
showRows(rows, 0, 0, Size.Height, Size.Width, action, ref i);
for (int picture = i; picture < mPictures.Count; ++picture)
{
mPictures[picture].mPictureBox.Hide();
showNextImage(mPictures[picture], action, null);
}
}
else
{
for (int picture = 0; picture < mPictures.Count; ++picture)
{
mPictures[picture].mPictureBox.Hide();
showNextImage(mPictures[picture], action, null);
}
}
if (oldLayout != null)
{
oldLayout.Dispose();
}
}
void showRows(ImagesRows rows, int top, int left, int height, int width, ImageAction action, ref int i)
{
if (rows.RowCount == 0)
{
return;
}
double vgap = ((double)(height - rows.Height) / (double)rows.RowCount);
for (int row = 0; row < rows.RowCount; ++row)
{
IRowItem item = rows[row];
showRow(item as ImagesRow, top, left, width, vgap, action, ref i);
top += (int)Math.Round(item.Height + vgap);
}
}
bool Add(ImagesRows target, StackableImage image, int maxWidth, int maxHeight, bool addSubRows, bool useFind)
{
if (image.Width > maxWidth)
{
return(false);
}
int rowsHeight = 0;
for (int row = 0; row < target.RowCount; ++row)
{
if (addSubRows && addSubitem(target[row] as ImagesRow, image, maxHeight))
{
return(true);
}
int rowHeight = target[row].Height;
int rowWidth = target[row].Width;
rowsHeight += rowHeight;
int heightDiff = rowHeight - image.Height;
bool widthFits = maxWidth - rowWidth >= image.Width;
bool heightFits = heightDiff >= 0 || maxHeight - GetRowsHeight() >= Math.Abs(heightDiff);
if (heightFits && widthFits)
{
ImagesRow imagesRow = target[row] as ImagesRow;
imagesRow.Add(image);
return(true);
}
}
if (maxHeight - rowsHeight >= image.Height)
{
ImagesRow newRow = new ImagesRow();
newRow.Add(image);
target.Add(newRow);
return(true);
}
return(false);
}