public Size GetRequiredSize(int avalibleWidth)
{
Lines = new List <List <Item.Section> > [Items.Count];
int y = 0;
int width = 0;
int height = 0;
int itemNr = -1;
foreach (Item item in Items)
{
itemNr++;
if (y != 0)
{
y += 4;
}
Lines[itemNr] = new List <List <Item.Section> >();
Lines[itemNr].Add(new List <Item.Section>());
Lines[itemNr][0].AddRange(item.Sections);
for (int lineNr = 0; lineNr < Lines[itemNr].Count; lineNr++)
{
int x = 7;
for (int sectionNr = 0; sectionNr < Lines[itemNr][lineNr].Count; sectionNr++)
{
Item.Section section = Lines[itemNr][lineNr][sectionNr];
SizeF size = CreateGraphics().MeasureString(section.Text, new Font(Font, section.Style));
Bitmap bitmap = new Bitmap((int)size.Width + 10, (int)size.Height + 1);
Graphics g = Graphics.FromImage(bitmap);
g.Clear(Color.White);
g.DrawString(section.Text + "|", new Font(Font, section.Style), Brushes.Black, 0, 0);
g.Flush();
for (int nx = bitmap.Width - 1; nx >= 0; nx--)
{
Color cl = Color.White;
for (int ny = 0; ny < bitmap.Height; ny++)
{
cl = bitmap.GetPixel(nx, ny);
if (cl.R != 255)
{
x += nx - 4;
break;
}
}
if (cl.R != 255)
{
break;
}
}
if (x > avalibleWidth)
{
//Look for a space in current section (i,j), split that section into 2, and move the right part to next line, along with
//all following sections on current line. Then restart parsing this line.
//If no spaces could be found, look in previous section.
//If no spaces could be found at all, let it be wider than the screen.
bool restartLine = false;
int oldSectionNumber = sectionNr;
while (true)
{
int index = Lines[itemNr][lineNr][sectionNr].Text.LastIndexOf(' ');
if (index >= 0)
{
Item.Section left =
new Item.Section(Lines[itemNr][lineNr][sectionNr].Text.Substring(0, index),
Lines[itemNr][lineNr][sectionNr].Style);
Item.Section right =
new Item.Section(Lines[itemNr][lineNr][sectionNr].Text.Substring(index + 1),
Lines[itemNr][lineNr][sectionNr].Style);
Lines[itemNr][lineNr][sectionNr] = left;
if (Lines[itemNr].Count == lineNr + 1)
{
Lines[itemNr].Add(new List <Item.Section>());
for (int i = Lines[itemNr][lineNr].Count - 1; i > sectionNr; i--)
{
Lines[itemNr][lineNr + 1].Add(Lines[itemNr][lineNr][i]);
Lines[itemNr][lineNr].RemoveAt(i);
}
Lines[itemNr][lineNr + 1].Insert(0, right);
}
else
{
//move this section down
//If the section down there is using same formatting, join em.
if (Lines[itemNr][lineNr + 1][0].Style == right.Style)
{
Lines[itemNr][lineNr + 1][0].Text = right.Text + " " + Lines[itemNr][lineNr + 1][0].Text;
}
else
{
right.Text += " ";
Lines[itemNr][lineNr + 1].Insert(0, right);
}
}
//Restart on current line
restartLine = true;
break;
}
else
{
//Look in previous section
if (sectionNr == 0)
{
sectionNr = oldSectionNumber;
break;
}
sectionNr--;
}
}
if (restartLine)
{
sectionNr = -1;
x = 7;
continue;
}
}
width = Math.Max(width, x);
}
y += Font.Height;
}
}
height = y;
//width += 5;
return(new Size(width, height + 2));
}
public Size GetRequiredSize(int avalibleWidth)
{
Lines = new List<List<Item.Section>>[Items.Count];
int y = 0;
int width = 0;
int height = 0;
int itemNr = -1;
foreach (Item item in Items)
{
itemNr++;
if (y != 0)
{
y += 4;
}
Lines[itemNr] = new List<List<Item.Section>>();
Lines[itemNr].Add(new List<Item.Section>());
Lines[itemNr][0].AddRange(item.Sections);
for (int lineNr = 0; lineNr < Lines[itemNr].Count; lineNr++)
{
int x = 7;
for (int sectionNr = 0; sectionNr < Lines[itemNr][lineNr].Count; sectionNr++)
{
Item.Section section = Lines[itemNr][lineNr][sectionNr];
SizeF size = CreateGraphics().MeasureString(section.Text, new Font(Font, section.Style));
Bitmap bitmap = new Bitmap((int)size.Width + 10, (int)size.Height + 1);
Graphics g = Graphics.FromImage(bitmap);
g.Clear(Color.White);
g.DrawString(section.Text + "|", new Font(Font, section.Style), Brushes.Black, 0, 0);
g.Flush();
for (int nx = bitmap.Width - 1; nx >= 0; nx--)
{
Color cl = Color.White;
for (int ny = 0; ny < bitmap.Height; ny++)
{
cl = bitmap.GetPixel(nx, ny);
if (cl.R != 255)
{
x += nx - 4;
break;
}
}
if (cl.R != 255)
{
break;
}
}
if (x > avalibleWidth)
{
//Look for a space in current section (i,j), split that section into 2, and move the right part to next line, along with
//all following sections on current line. Then restart parsing this line.
//If no spaces could be found, look in previous section.
//If no spaces could be found at all, let it be wider than the screen.
bool restartLine = false;
int oldSectionNumber = sectionNr;
while (true)
{
int index = Lines[itemNr][lineNr][sectionNr].Text.LastIndexOf(' ');
if (index >= 0)
{
Item.Section left =
new Item.Section(Lines[itemNr][lineNr][sectionNr].Text.Substring(0, index),
Lines[itemNr][lineNr][sectionNr].Style);
Item.Section right =
new Item.Section(Lines[itemNr][lineNr][sectionNr].Text.Substring(index + 1),
Lines[itemNr][lineNr][sectionNr].Style);
Lines[itemNr][lineNr][sectionNr] = left;
if (Lines[itemNr].Count == lineNr + 1)
{
Lines[itemNr].Add(new List<Item.Section>());
for (int i = Lines[itemNr][lineNr].Count - 1; i > sectionNr; i--)
{
Lines[itemNr][lineNr + 1].Add(Lines[itemNr][lineNr][i]);
Lines[itemNr][lineNr].RemoveAt(i);
}
Lines[itemNr][lineNr + 1].Insert(0, right);
}
else
{
//move this section down
//If the section down there is using same formatting, join em.
if (Lines[itemNr][lineNr + 1][0].Style == right.Style)
Lines[itemNr][lineNr + 1][0].Text = right.Text + " " + Lines[itemNr][lineNr + 1][0].Text;
else
{
right.Text += " ";
Lines[itemNr][lineNr + 1].Insert(0, right);
}
}
//Restart on current line
restartLine = true;
break;
}
else
{
//Look in previous section
if (sectionNr == 0)
{
sectionNr = oldSectionNumber;
break;
}
sectionNr--;
}
}
if (restartLine)
{
sectionNr = -1;
x = 7;
continue;
}
}
width = Math.Max(width, x);
}
y += Font.Height;
}
}
height = y;
//width += 5;
return new Size(width, height + 2);
}
