internal static void Render(TextBox textBox, List <Paragraph> paragraphs, Graphics g, FontCache fontCache, PointF offset, RectangleF layoutRectangle)
{
float dpiX = g.DpiX;
Win32DCSafeHandle win32DCSafeHandle = new Win32DCSafeHandle(g.GetHdc(), ownsHandle: false);
try
{
Render(textBox, paragraphs, win32DCSafeHandle, fontCache, offset, layoutRectangle, dpiX);
}
finally
{
fontCache.ResetGraphics();
if (!win32DCSafeHandle.IsInvalid)
{
g.ReleaseHdc();
}
}
}
internal static List <Paragraph> Flow(TextBox textBox, Graphics g, FontCache fontCache, FlowContext flowContext, bool keepLines, out float height)
{
List <Paragraph> list = null;
float dpiX = g.DpiX;
Win32DCSafeHandle win32DCSafeHandle = new Win32DCSafeHandle(g.GetHdc(), ownsHandle: false);
try
{
return(Flow(textBox, win32DCSafeHandle, dpiX, fontCache, flowContext, keepLines, out height));
}
finally
{
fontCache.ResetGraphics();
if (!win32DCSafeHandle.IsInvalid)
{
g.ReleaseHdc();
}
}
}
internal static float FlowVertical(TextBox textBox, Graphics g, FontCache fontCache, FlowContext flowContext, out float width, out float nextWidth)
{
width = (nextWidth = 0f);
List <Paragraph> list = null;
int num = 0;
int val = int.MaxValue;
int num2 = 0;
float height = 0f;
int num3 = 0;
List <TextLine> list2 = null;
float dpiX = g.DpiX;
Win32DCSafeHandle win32DCSafeHandle = new Win32DCSafeHandle(g.GetHdc(), ownsHandle: false);
if (textBox.VerticalText)
{
flowContext.VerticalCanGrow = textBox.TextBoxProps.CanGrow;
num3 = TextBox.ConvertToPixels(flowContext.Height, dpiX);
}
else
{
num3 = TextBox.ConvertToPixels(flowContext.Width, dpiX);
}
try
{
list = Flow(textBox, win32DCSafeHandle, dpiX, fontCache, flowContext, keepLines: true, out height);
if (list != null)
{
for (int i = 0; i < list.Count; i++)
{
list2 = list[i].TextLines;
if (list2 != null)
{
float leftIndent = 0f;
float rightIndent = 0f;
float hangingIndent = 0f;
float num4 = 0f;
RPLFormat.Directions direction = textBox.TextBoxProps.Direction;
list[i].GetParagraphIndents(direction, dpiX, out leftIndent, out rightIndent, out hangingIndent);
num4 = leftIndent + rightIndent;
if (list2[0].FirstLine)
{
num4 += hangingIndent;
}
num2 = Math.Max(num2, (int)num4);
for (int j = 0; j < list2.Count; j++)
{
num = Math.Max(num, list2[j].GetWidth(win32DCSafeHandle, fontCache, useVisualRunsIfAvailable: false) + (int)num4);
val = Math.Min(val, list2[j].GetWidth(win32DCSafeHandle, fontCache, useVisualRunsIfAvailable: false) + (int)num4);
}
list[i].TextLines = null;
}
}
}
val = Math.Max(val, num2);
if (num > 0)
{
int num5 = 0;
if (flowContext.VerticalCanGrow && flowContext.ForcedCharTrim)
{
num5 = flowContext.CharTrimmedRunWidth;
}
else
{
num5 = (num - val) / 2;
if (num5 == 0)
{
num5 = num / 2;
}
else
{
num5 += val;
if (num5 >= num3)
{
num5 /= 2;
}
}
}
width = TextBox.ConvertToMillimeters(num, dpiX);
nextWidth = TextBox.ConvertToMillimeters(num5, dpiX);
return(height);
}
return(height);
}
finally
{
fontCache.ResetGraphics();
if (!win32DCSafeHandle.IsInvalid)
{
g.ReleaseHdc();
}
}
}
