internal void Draw(Win32DCSafeHandle hdc, int lineThickness, uint rgbColor)
{
if (lineThickness < 1)
{
lineThickness = 1;
}
Win32.LOGBRUSH lplb = default(Win32.LOGBRUSH);
lplb.lbColor = rgbColor;
lplb.lbHatch = 0;
lplb.lbStyle = 0u;
Win32ObjectSafeHandle win32ObjectSafeHandle = Win32.ExtCreatePen(66048u, (uint)lineThickness, ref lplb, 0u, null);
Win32ObjectSafeHandle win32ObjectSafeHandle2 = Win32ObjectSafeHandle.Zero;
try
{
win32ObjectSafeHandle2 = Win32.SelectObject(hdc, win32ObjectSafeHandle);
Win32.MoveToEx(hdc, m_startPoint.X, m_startPoint.Y, IntPtr.Zero);
Win32.LineTo(hdc, m_endPoint.X, m_endPoint.Y);
}
finally
{
if (!win32ObjectSafeHandle2.IsInvalid)
{
Win32.SelectObject(hdc, win32ObjectSafeHandle2).SetHandleAsInvalid();
win32ObjectSafeHandle2.SetHandleAsInvalid();
}
if (!win32ObjectSafeHandle.IsInvalid)
{
win32ObjectSafeHandle.Close();
win32ObjectSafeHandle = null;
}
}
}
internal static void Render(TextBox textBox, List <Paragraph> paragraphs, Win32DCSafeHandle hdc, FontCache fontCache, PointF offset, RectangleF layoutRectangle, float dpiX, bool unitsInMM)
{
if (paragraphs == null || paragraphs.Count == 0)
{
return;
}
Rectangle layoutRectangle2;
Point point;
if (!unitsInMM)
{
layoutRectangle2 = new Rectangle((int)layoutRectangle.X, (int)layoutRectangle.Y, (int)layoutRectangle.Width, (int)layoutRectangle.Height);
point = new Point((int)offset.X, (int)offset.Y);
}
else
{
layoutRectangle2 = new Rectangle(ConvertToPixels(layoutRectangle.X, dpiX), ConvertToPixels(layoutRectangle.Y, dpiX), ConvertToPixels(layoutRectangle.Width, dpiX), ConvertToPixels(layoutRectangle.Height, dpiX));
point = new Point(ConvertToPixels(offset.X, dpiX), ConvertToPixels(offset.Y, dpiX));
}
uint fMode = Win32.SetTextAlign(hdc, 24u);
int iBkMode = Win32.SetBkMode(hdc, 1);
Win32ObjectSafeHandle win32ObjectSafeHandle = Win32.SelectObject(hdc, Win32ObjectSafeHandle.Zero);
try
{
fontCache.WritingMode = textBox.TextBoxProps.WritingMode;
int offsetY = point.Y;
for (int i = 0; i < paragraphs.Count; i++)
{
RenderParagraph(textBox, paragraphs[i], hdc, fontCache, point.X, ref offsetY, layoutRectangle2, dpiX);
}
}
finally
{
fMode = Win32.SetTextAlign(hdc, fMode);
iBkMode = Win32.SetBkMode(hdc, iBkMode);
if (!win32ObjectSafeHandle.IsInvalid)
{
Win32.SelectObject(hdc, win32ObjectSafeHandle).SetHandleAsInvalid();
win32ObjectSafeHandle.SetHandleAsInvalid();
}
}
}
internal static List <Paragraph> Flow(TextBox textBox, Win32DCSafeHandle hdc, float dpiX, FontCache fontCache, FlowContext flowContext, bool keepLines, out float height)
{
if (flowContext.Height <= 0f || flowContext.Width <= 0f)
{
height = 0f;
return(null);
}
int num = TextBox.ConvertToPixels(flowContext.ContentOffset, dpiX);
int contentOffset = num;
TextBoxContext context = flowContext.Context;
RPLFormat.Directions direction = textBox.TextBoxProps.Direction;
List <Paragraph> list = new List <Paragraph>();
Win32ObjectSafeHandle win32ObjectSafeHandle = Win32.SelectObject(hdc, Win32ObjectSafeHandle.Zero);
SizeF flowContextSize;
if (!textBox.VerticalText)
{
flowContextSize = new SizeF(TextBox.ConvertToPixels(flowContext.Width, dpiX), TextBox.ConvertToPixels(flowContext.Height, dpiX));
}
else
{
flowContext.VerticalCanGrow = textBox.TextBoxProps.CanGrow;
flowContextSize = new SizeF(TextBox.ConvertToPixels(flowContext.Height, dpiX), TextBox.ConvertToPixels(flowContext.Width, dpiX));
}
fontCache.WritingMode = textBox.TextBoxProps.WritingMode;
try
{
while (context.ParagraphIndex < textBox.Paragraphs.Count)
{
Paragraph paragraph = textBox.Paragraphs[context.ParagraphIndex];
paragraph.OffsetY = num;
bool num2 = FlowParagraph(paragraph, direction, hdc, dpiX, fontCache, flowContext, keepLines, flowContextSize, ref contentOffset);
num += paragraph.Height;
if (!keepLines)
{
paragraph.TextLines = null;
}
if (!num2)
{
break;
}
list.Add(paragraph);
if ((float)num >= flowContextSize.Height)
{
if (paragraph.AtEndOfParagraph(context))
{
context.IncrementParagraph();
}
break;
}
context.IncrementParagraph();
}
if ((float)num < flowContextSize.Height)
{
flowContext.AtEndOfTextBox = true;
}
}
finally
{
if (!win32ObjectSafeHandle.IsInvalid)
{
Win32.SelectObject(hdc, win32ObjectSafeHandle).SetHandleAsInvalid();
win32ObjectSafeHandle.SetHandleAsInvalid();
}
}
height = TextBox.ConvertToMillimeters(num, dpiX);
flowContext.ContentOffset = TextBox.ConvertToMillimeters(contentOffset, dpiX);
return(list);
}
