/// <summary>
/// 获取文字大小
/// </summary>
/// <param name="text">文字</param>
/// <param name="font">字体</param>
/// <returns>字体大小</returns>
public SIZE TextSize(string text, FONT font)
{
SIZE size = new SIZE();
IntPtr hFont = CreateFont
(
font.FontSize, 0,
0, 0,
font.Bold ? FW_BOLD : FW_REGULAR,
font.Italic ? 1 : 0,
font.Underline ? 1 : 0,
0,
GB2312_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SWISS,
font.FontFamily
);
IntPtr hOldFont = SelectObject(m_hDC, hFont);
GetTextExtentPoint32(m_hDC, text, text.Length, ref size);
SelectObject(m_hDC, hOldFont);
DeleteObject(hFont);
return(size);
}
/// <summary>
/// 绘制文字
/// </summary>
/// <param name="text">文字</param>
/// <param name="font">字体</param>
/// <param name="color">颜色</param>
/// <param name="rect">矩形区域</param>
public void DrawText(string text, FONT font, double dwPenColor, RECT rect)
{
if (dwPenColor == COLOR.Empty())
{
return;
}
if (dwPenColor < 0)
{
dwPenColor = Math.Abs(dwPenColor);
}
IntPtr hFont = CreateFont
(
font.FontSize, 0,
0, 0,
font.Bold ? FW_BOLD : FW_REGULAR,
font.Italic ? 1 : 0,
font.Underline ? 1 : 0,
0,
GB2312_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SWISS,
font.FontFamily
);
RECT newRect = new RECT(rect.left + m_offsetX, rect.top + m_offsetY, rect.right + m_offsetX, rect.bottom + m_offsetY);
SetBkMode(m_hDC, TRANSPARENT);
SetTextColor(m_hDC, (int)dwPenColor);
IntPtr hOldFont = SelectObject(m_hDC, hFont);
DrawText(m_hDC, text, -1, ref newRect, 0 | DT_NOPREFIX);
SelectObject(m_hDC, hOldFont);
DeleteObject(hFont);
}
/// <summary>
/// 绘制文字
/// </summary>
/// <param name="text">文字</param>
/// <param name="font">字体</param>
/// <param name="color">颜色</param>
/// <param name="mp">坐标</param>
public void DrawText(string text, FONT font, double dwPenColor, POINT mp)
{
if (dwPenColor == COLOR.Empty())
{
return;
}
if (dwPenColor < 0)
{
dwPenColor = Math.Abs(dwPenColor);
}
IntPtr hFont = CreateFont
(
font.FontSize, 0,
0, 0,
font.Bold ? FW_BOLD : FW_REGULAR,
0, 0, 0,
GB2312_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SWISS,
font.FontFamily
);
SIZE size = TextSize(text, font);
RECT newRect = new RECT(mp.x + m_offsetX, mp.y + m_offsetY, mp.x + m_offsetX + size.cx, mp.y + m_offsetY + size.cy);
SetBkMode(m_hDC, TRANSPARENT);
SetTextColor(m_hDC, (int)dwPenColor);
IntPtr hOldFont = SelectObject(m_hDC, hFont);
DrawText(m_hDC, text, -1, ref newRect, 0 | DT_NOPREFIX);
SelectObject(m_hDC, hOldFont);
DeleteObject(hFont);
}
/// <summary>
/// 获取文字大小
/// </summary>
/// <param name="text">文字</param>
/// <param name="font">字体</param>
/// <returns>字体大小</returns>
public SIZE TextSize(string text, FONT font)
{
if (m_emptyStringFormat == null)
{
m_emptyStringFormat = StringFormat.GenericTypographic;
}
Size gdiPlusSize = m_g.MeasureString(text, MCommon.Instance.GetFont(font), Int32.MaxValue, m_emptyStringFormat).ToSize();
return(new SIZE(gdiPlusSize.Width, gdiPlusSize.Height));
}
/// <summary>
/// 绘制文字
/// </summary>
/// <param name="text">文字</param>
/// <param name="font">字体</param>
/// <param name="color">颜色</param>
/// <param name="mp">坐标</param>
public void DrawText(string text, FONT font, double dwPenColor, POINT mp)
{
if (dwPenColor == COLOR.Empty())
{
return;
}
if (m_emptyStringFormat == null)
{
m_emptyStringFormat = StringFormat.GenericTypographic;
}
m_g.DrawString(text, MCommon.Instance.GetFont(font), MCommon.Instance.GetBrush(dwPenColor), mp.x + m_offsetX, mp.y + m_offsetY, m_emptyStringFormat);
}
/// <summary>
/// 绘制文字
/// </summary>
/// <param name="text">文字</param>
/// <param name="font">字体</param>
/// <param name="color">颜色</param>
/// <param name="rect">矩形区域</param>
public void DrawText(string text, FONT font, double dwPenColor, RECT rect)
{
if (dwPenColor == COLOR.Empty())
{
return;
}
if (m_emptyStringFormat == null)
{
m_emptyStringFormat = StringFormat.GenericTypographic;
}
Rectangle gdiPlusRect = new Rectangle(rect.left + m_offsetX, rect.top + m_offsetY, rect.right - rect.left, rect.bottom - rect.top);
m_g.DrawString(text, MCommon.Instance.GetFont(font), MCommon.Instance.GetBrush(dwPenColor), gdiPlusRect, m_emptyStringFormat);
}
/// <summary>
/// 获取Gdi字体
/// </summary>
/// <param name="font">字体</param>
/// <returns>Gdi字体</returns>
public Font GetFont(FONT font)
{
string key = font.ToString();
if (!dy.ContainsKey(key))
{
Font f;
if (font.Bold && font.Underline && font.Italic)
{
f = new Font(font.FontFamily, font.FontSize, FontStyle.Bold | FontStyle.Underline | FontStyle.Italic, GraphicsUnit.Pixel);
}
else if (font.Bold && font.Underline)
{
f = new Font(font.FontFamily, font.FontSize, FontStyle.Bold | FontStyle.Underline, GraphicsUnit.Pixel);
}
else if (font.Bold && font.Italic)
{
f = new Font(font.FontFamily, font.FontSize, FontStyle.Bold | FontStyle.Italic, GraphicsUnit.Pixel);
}
else if (font.Underline && font.Italic)
{
f = new Font(font.FontFamily, font.FontSize, FontStyle.Underline | FontStyle.Italic, GraphicsUnit.Pixel);
}
else if (font.Bold)
{
f = new Font(font.FontFamily, font.FontSize, FontStyle.Bold, GraphicsUnit.Pixel);
}
else if (font.Underline)
{
f = new Font(font.FontFamily, font.FontSize, FontStyle.Underline, GraphicsUnit.Pixel);
}
else if (font.Italic)
{
f = new Font(font.FontFamily, font.FontSize, FontStyle.Italic, GraphicsUnit.Pixel);
}
else
{
f = new Font(font.FontFamily, font.FontSize, GraphicsUnit.Pixel);
}
dy.Add(key, f);
}
return(dy[key]);
}
/// <summary>
/// 开始绘图
/// </summary>
/// <param name="hdc">HDC</param>
/// <param name="wRect">窗体区域</param>
/// <param name="pRect">刷新区域</param>
public void BeginPaint(Graphics g, RECT wRect, RECT pRect)
{
if (m_bitmap != null)
{
DeleteObject(m_hDC);
m_bitmap.Dispose();
m_bitmap = null;
m_hDC = IntPtr.Zero;
m_g.Dispose();
m_g = null;
}
graphics = g;
if (m_wndHdc == IntPtr.Zero)
{
m_wndHdc = graphics.GetHdc();
}
m_rect = pRect;
int imageW = wRect.right - wRect.left;
int imageH = wRect.bottom - wRect.top;
if (imageW == 0)
{
imageW = 1;
}
if (imageH == 0)
{
imageH = 1;
}
m_bitmap = new Bitmap(imageW, imageH);
m_g = Graphics.FromImage(m_bitmap);
m_hDC = m_g.GetHdc();
RECT rc = new RECT(-1, -1, 1, 1);
FONT font = new FONT();
DrawText(" ", font, 0, rc);
}
