public static Size GetTextSize(Graphics graphics, string text, Font font)
{
if (text == null)
{
return(new Size(0, 0));
}
IntPtr hdc = graphics.GetHdc();
IntPtr fontHandle = font.ToHfont();
IntPtr currentFontHandle = WindowsAPI.SelectObject(hdc, fontHandle);
Win32.RECT rect = new Win32.RECT();
rect.left = 0;
rect.right = 0;
rect.top = 0;
rect.bottom = 0;
WindowsAPI.DrawText(hdc, text, text.Length, ref rect,
(int)(DrawTextFormatFlags.DT_SINGLELINE | DrawTextFormatFlags.DT_LEFT | DrawTextFormatFlags.DT_CALCRECT));
WindowsAPI.SelectObject(hdc, currentFontHandle);
WindowsAPI.DeleteObject(fontHandle);
graphics.ReleaseHdc(hdc);
return(new Size(rect.right - rect.left, rect.bottom - rect.top));
}
public static Size GetTextSize(Graphics g, string text, Font font)
{
IntPtr hdc = GetGraphicsHDC(g);
IntPtr hFont = font.ToHfont();
IntPtr hOldFont = WindowsAPI.SelectObject(hdc, hFont);
RECT rect = new RECT();
WindowsAPI.DrawText(hdc, text, text.Length, ref rect, DEF_TEXTFORMAT);
WindowsAPI.SelectObject(hdc, hOldFont);
WindowsAPI.DeleteObject(hFont);
ReleaseGraphicHDC(g, hdc);
return(( Size )rect);
}
public static Size GetTextSize(Graphics graphics, string text, Font font)
{
#if !__MonoCS__
IntPtr hdc = IntPtr.Zero;
if (graphics != null)
{
// Get device context from the graphics passed in
hdc = graphics.GetHdc();
}
else
{
// Get screen device context
hdc = WindowsAPI.GetDC(IntPtr.Zero);
}
IntPtr fontHandle = font.ToHfont();
IntPtr currentFontHandle = WindowsAPI.SelectObject(hdc, fontHandle);
Win32.RECT rect = new Win32.RECT();
rect.left = 0;
rect.right = 0;
rect.top = 0;
rect.bottom = 0;
WindowsAPI.DrawText(hdc, text, text.Length, ref rect,
(int)(DrawTextFormatFlags.DT_SINGLELINE | DrawTextFormatFlags.DT_LEFT | DrawTextFormatFlags.DT_CALCRECT));
WindowsAPI.SelectObject(hdc, currentFontHandle);
WindowsAPI.DeleteObject(fontHandle);
if (graphics != null)
{
graphics.ReleaseHdc(hdc);
}
else
{
WindowsAPI.ReleaseDC(IntPtr.Zero, hdc);
}
return(new Size(rect.right - rect.left, rect.bottom - rect.top));
#else
// TODO-Linux: Implement this using a portable method.
return(new Size(10, 10));
#endif
}
public static Size GetTextSize(Graphics g, string text, Font font, ref Rectangle rc, DrawTextFormatFlags drawFlags)
{
IntPtr hdc = GetGraphicsHDC(g);
IntPtr hFont = font.ToHfont();
IntPtr hOldFont = WindowsAPI.SelectObject(hdc, hFont);
NWin32.RECT rect = new NWin32.RECT();
rect.left = rc.Left;
rect.right = rc.Right;
rect.top = rc.Top;
rect.bottom = rc.Bottom;
WindowsAPI.DrawText(hdc, text, text.Length, ref rect, (int)drawFlags);
WindowsAPI.SelectObject(hdc, hOldFont);
WindowsAPI.DeleteObject(hFont);
ReleaseGraphicHDC(g, hdc);
return(( Size )rect);
}
public static Size GetTextSize(Graphics graphics, string text, Font font, ref Rectangle rc, DrawTextFormatFlags drawFlags)
{
IntPtr hdc = IntPtr.Zero;
if (graphics != null)
{
// Get device context from the graphics passed in
hdc = graphics.GetHdc();
}
else
{
// Get screen device context
hdc = WindowsAPI.GetDC(IntPtr.Zero);
}
IntPtr fontHandle = font.ToHfont();
IntPtr currentFontHandle = WindowsAPI.SelectObject(hdc, fontHandle);
Win32.RECT rect = new Win32.RECT();
rect.left = rc.Left;
rect.right = rc.Right;
rect.top = rc.Top;
rect.bottom = rc.Bottom;
WindowsAPI.DrawText(hdc, text, text.Length, ref rect, (int)drawFlags);
WindowsAPI.SelectObject(hdc, currentFontHandle);
WindowsAPI.DeleteObject(fontHandle);
if (graphics != null)
{
graphics.ReleaseHdc(hdc);
}
else
{
WindowsAPI.ReleaseDC(IntPtr.Zero, hdc);
}
return(new Size(rect.right - rect.left, rect.bottom - rect.top));
}
public static void DrawText(Graphics graphics, string text, Font font, Rectangle rect)
{
IntPtr hdc = graphics.GetHdc();
IntPtr fontHandle = font.ToHfont();
IntPtr currentFontHandle = WindowsAPI.SelectObject(hdc, fontHandle);
WindowsAPI.SetBkMode(hdc, BackgroundMode.TRANSPARENT);
RECT rc = new RECT();
rc.left = rect.Left;
rc.top = rect.Top;
rc.right = rc.left + rect.Width;
rc.bottom = rc.top + rect.Height;
WindowsAPI.DrawText(hdc, text, text.Length, ref rc,
(int)(DrawTextFormatFlags.DT_SINGLELINE | DrawTextFormatFlags.DT_LEFT
| DrawTextFormatFlags.DT_MODIFYSTRING | DrawTextFormatFlags.DT_WORD_ELLIPSIS));
WindowsAPI.SelectObject(hdc, currentFontHandle);
WindowsAPI.DeleteObject(fontHandle);
graphics.ReleaseHdc(hdc);
}