internal static CssRun GetCssRunOnLocation(CssLineBox lineBox, int x, int y)
{
foreach (CssRun word in lineBox.GetRunIter())
{
// add word spacing to word width so sentance won't have hols in it when moving the mouse
var rect = word.Rectangle;
//rect.Width += word.OwnerBox.ActualWordSpacing;
if (rect.Contains(x, y))
{
return(word);
}
}
return(null);
}
internal static CssRun GetCssRunOnLocation(CssLineBox lineBox, int x, int y)
{
foreach (CssRun word in lineBox.GetRunIter())
{
// add word spacing to word width so sentance won't have hols in it when moving the mouse
var rect = word.Rectangle;
//rect.Width += word.OwnerBox.ActualWordSpacing;
if (rect.Contains(x, y))
{
return word;
}
}
return null;
}
/// <summary>
/// Applies right alignment to the text on the linebox
/// </summary>
/// <param name="g"></param>
/// <param name="line"></param>
static void ApplyRightAlignment(CssLineBox line)
{
if (line.RunCount == 0)
{
return;
}
CssRun lastRun = line.GetLastRun();
float diff = line.OwnerBox.GetClientWidth() - line.GetLastRun().Right;
if (diff > CSS_OFFSET_THRESHOLD)
{
foreach (CssRun word in line.GetRunIter())
{
word.Left += diff;
}
}
}
/// <summary>
/// Applies centered alignment to the text on the linebox
/// </summary>
/// <param name="g"></param>
/// <param name="line"></param>
static void ApplyCenterAlignment(CssLineBox line)
{
if (line.RunCount == 0) return;
CssRun lastRun = line.GetLastRun();
float diff = (line.OwnerBox.GetClientWidth() - lastRun.Right) / 2;
if (diff > CSS_OFFSET_THRESHOLD)
{
foreach (CssRun word in line.GetRunIter())
{
word.Left += diff;
}
line.CachedLineContentWidth += diff;
}
}
static void ApplyJustifyAlignment(CssLineBox lineBox)
{
if (lineBox.IsLastLine) return;
float indent = lineBox.IsFirstLine ? lineBox.OwnerBox.ActualTextIndent : 0f;
float runWidthSum = 0f;
int runCount = 0;
float availableWidth = lineBox.OwnerBox.GetClientWidth() - indent;
// Gather text sum
foreach (CssRun w in lineBox.GetRunIter())
{
runWidthSum += w.Width;
runCount++;
}
if (runCount == 0) return; //Avoid Zero division
float spaceOfEachRun = (availableWidth - runWidthSum) / runCount; //Spacing that will be used
float cX = lineBox.OwnerBox.GetClientLeft() + indent;
CssRun lastRun = lineBox.GetLastRun();
foreach (CssRun run in lineBox.GetRunIter())
{
run.Left = cX;
cX = run.Right + spaceOfEachRun;
if (run == lastRun)
{
run.Left = lineBox.OwnerBox.GetClientRight() - run.Width;
}
}
}
/// <summary>
/// Applies right to left direction to words
/// </summary>
/// <param name="blockBox"></param>
/// <param name="lineBox"></param>
static void ApplyRightToLeft(CssLineBox lineBox)
{
if (lineBox.RunCount > 0)
{
float left = lineBox.GetFirstRun().Left;
float right = lineBox.GetLastRun().Right;
foreach (CssRun run in lineBox.GetRunIter())
{
float diff = run.Left - left;
float w_right = right - diff;
run.Left = w_right - run.Width;
}
}
}