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//————————–（如转载，请保留版权信息）————————-//
// sevensegmentclockstyle.cs 朱继山 a3news(at)hotmail.com –//
// —————————– http://www.brawdraw.com ———————-//
// ——————– 未经书面许可，请勿用于商业用途 ———————//
using system;
namespace brawdraw.com.photoframe.net.publicfunctions.clock
{
/// <summary>
/// clocks style.时钟的样式定义
/// </summary>
public enum sevensegmentclockstyle
{
dateonly, // 只显示日期
timeonly, // 只显示时间
dateandtime //显示日期和时间
}
}
//————————–（如转载，请保留版权信息）————————-//
// sevensegmentclock.cs 朱继山 a3news(at)hotmail.com ——-//
// —————————– http://www.brawdraw.com ———————-//
// ——————– 未经书面许可，请勿用于商业用途 ———————//
using system;
using system.drawing;
using system.drawing.drawing2d;
using system.globalization;
using system.windows.forms;
using brawdraw.com.photoframe.net.publicfunctions;
using system.componentmodel;
namespace brawdraw.com.photoframe.net.publicfunctions.clock
{
//这是控件的关键代码
public class sevensegmentclock : usercontrol
{
datetime _datetime;
//默认使用同时绘制日期和时间
sevensegmentclockstyle _clockstyle = sevensegmentclockstyle.dateandtime;
color _clockcolor = color.black;
//是否绘制阴影（即残影），以摸拟真似的led时钟
bool _isdrawshadow = true;
timer _timer = null;
//是否自动更新时间
bool _istimerenable = false;
graphics g = null;
bitmap m_bitmap = null;
public bool isdrawshadow
{
get { return this._isdrawshadow; }
set
{
this._isdrawshadow = value;
this.invalidate();
}
}
[browsable(false)]
public system.windows.forms.timer timer
{
get { return this._timer; }
set
{
this._timer = value;
if(_timer != null)
{
_timer.tick += new eventhandler(timerontick);
}
}
}
public bool istimerenable
{
get { return this._istimerenable; }
set
{
if(value == true)
{
if(this._timer == null)
{
_timer = new timer();
_timer.tick += new eventhandler(timerontick);
_timer.interval = 1000;
_timer.enabled = true;
}
}
else
{
if(this._timer != null)
{
_timer.enabled = false;
}
}
this._istimerenable = value;
}
}
public void start()
{
this.istimerenable = true;
this.refresh();
}
public void stop()
{
this.istimerenable = false;
}
public system.datetime datetime
{
get { return this._datetime; }
set { this._datetime = value; }
}
//led文字的颜色
public system.drawing.color clockcolor
{
get { return this._clockcolor; }
set
{
this._clockcolor = value;
this.invalidate();
}
}
public sevensegmentclockstyle sevensegmentclockstyle
{
get { return this._clockstyle; }
set
{
this._clockstyle = value;
this.invalidate();
}
}
public sevensegmentclock()
{
text = “seven-segment clock”;
//使用双缓冲，支持透明绘制
setstyle(controlstyles.userpaint | controlstyles.doublebuffer | controlstyles.allpaintinginwmpaint
| controlstyles.resizeredraw | controlstyles.supportstransparentbackcolor, true);
this.updatestyles();
init();
_datetime = datetime.now;
}
//初始化
private void init()
{
m_bitmap = new bitmap(this.width, this.height);
g = graphics.fromimage(m_bitmap);
g.compositingquality = compositingquality.highquality;
g.textrenderinghint = system.drawing.text.textrenderinghint.antialiasgridfit;
//g.interpolationmode = interpolationmode.highqualitybicubic;
g.smoothingmode = smoothingmode.highquality;
//g.textrenderinghint = system.drawing.text.textrenderinghint.antialiasgridfit;
}
void timerontick(object obj, eventargs ea)
{
datetime dtnow = datetime.now;
dtnow = new datetime(dtnow.year, dtnow.month, dtnow.day, dtnow.hour, dtnow.minute, dtnow.second);
if (dtnow != _datetime)
{
_datetime = dtnow;
invalidate();
}
}
protected override void onpaint(painteventargs e)
{
m_bitmap = drawclock();
graphics gg = e.graphics;
gg.compositingquality = compositingquality.highquality;
gg.drawimageunscaled(m_bitmap, 0, 0);
//g.dispose();
}
public bitmap drawclock()
{
return this.drawclock(this.clientrectangle);
}
private void sevensegmentclock_resize(object sender, system.eventargs e)
{
init();
this.refresh();
}
private void initializecomponent()
{
//
// sevensegmentclock
//
this.name = “sevensegmentclock”;
this.size = new system.drawing.size(448, 64);
this.resize += new system.eventhandler(this.sevensegmentclock_resize);
}
int _clockstringwidth;
int _clockstringheight;
public int clockstringwidth
{
get
{
return _clockstringwidth;
}
}
public int clockstringheight
{
get
{
return _clockstringheight;
}
}
//绘制时钟
public bitmap drawclock(rectangle destrect)
{
m_bitmap = new bitmap(destrect.width, destrect.height);
//m_bitmap = new bitmap(destrect.x + this.width, destrect.y + this.height);
graphics grfx = graphics.fromimage(m_bitmap);
//设置绘图面板的绘制质量等
grfx.compositingquality = compositingquality.highquality;
grfx.textrenderinghint = system.drawing.text.textrenderinghint.antialiasgridfit;
grfx.smoothingmode = smoothingmode.highquality;
sevensegmentdisplay ssd = new sevensegmentdisplay(grfx);
ssd.isdrawshadow = this._isdrawshadow;
graphicsstate gs = grfx.save();
grfx.translatetransform(destrect.x, destrect.y);
string strtime = string.empty;
if(this._clockstyle == sevensegmentclockstyle.timeonly)
{
strtime = _datetime.tostring(“t”, datetimeformatinfo.invariantinfo);
}
else if(this._clockstyle == sevensegmentclockstyle.dateonly)
{
//设置日期格式
strtime = _datetime.tostring(“yyyy-mm-dd”, datetimeformatinfo.invariantinfo);
}
else
{
strtime = _datetime.tostring(“yyyy-mm-dd”, datetimeformatinfo.invariantinfo) + ” ” + _datetime.tostring(“t”, datetimeformatinfo.invariantinfo);
}
sizef sizef = ssd.measurestring(strtime, font);
float fscale = math.min(destrect.width / sizef.width, destrect.height / sizef.height);
font font = new font(font.fontfamily, fscale * font.sizeinpoints);
sizef = ssd.measurestring(strtime, font);
_clockstringwidth = (int)sizef.width;
_clockstringheight = (int)sizef.height;
ssd.drawstring(strtime, font, new solidbrush(this._clockcolor),
(destrect.width – sizef.width) / 2,
(destrect.height – sizef.height) / 2);
grfx.restore(gs);
return m_bitmap;
}
}
}
//————————–（如转载，请保留版权信息）————————-//
// sevensegmentdisplay.cs 2001 by charles petzold //
//————————改编：朱继山 a3news(at)hotmail.com ———–//
using system;
using system.drawing;
using system.windows.forms;
namespace brawdraw.com.photoframe.net.publicfunctions.clock
{
//字符绘制的算法
class sevensegmentdisplay
{
graphics grfx;
brush _brush = brushes.black;
bool _isdrawshadow = true;
color _shadowcolor = color.fromargb(60, color.white);
brush _shadowbrush = null;
// indicates what segments are illuminated for all 10 digits
static byte[,] bysegment = {
{1, 1, 1, 0, 1, 1, 1}, // 0
{0, 0, 1, 0, 0, 1, 0}, // 1
{1, 0, 1, 1, 1, 0, 1}, // 2
{1, 0, 1, 1, 0, 1, 1}, // 3
{0, 1, 1, 1, 0, 1, 0}, // 4
{1, 1, 0, 1, 0, 1, 1}, // 5
{1, 1, 0, 1, 1, 1, 1}, // 6
{1, 0, 1, 0, 0, 1, 0}, // 7
{1, 1, 1, 1, 1, 1, 1}, // 8
{1, 1, 1, 1, 0, 1, 1} // 9
};
// points that define each of the seven segments
readonly point[][] apt = new point[7][];
public bool isdrawshadow
{
get { return this._isdrawshadow; }
set { this._isdrawshadow = value; }
}
public sevensegmentdisplay(graphics grfx)
{
this.grfx = grfx;
// initialize jagged point array.
apt[0] = new point[] {
new point( 3, 2), new point(39, 2),
new point(31, 10), new point(11, 10)
};
apt[1] = new point[] {
new point( 2, 3), new point(10, 11),
new point(10, 31), new point( 2, 35)
};
apt[2] = new point[] {
new point(40, 3), new point(40, 35),
new point(32, 31), new point(32, 11)
};
apt[3] = new point[] {
new point( 3, 36), new point(11, 32),
new point(31, 32), new point(39, 36),
new point(31, 40), new point(11, 40)
};
apt[4] = new point[] {
new point( 2, 37), new point(10, 41),
new point(10, 61), new point( 2, 69)
};
apt[5] = new point[] {
new point(40, 37), new point(40, 69),
new point(32, 61), new point(32, 41)
};
apt[6] = new point[] {
new point(11, 62), new point(31, 62),
new point(39, 70), new point( 3, 70)
};
}
public sizef measurestring(string str, font font)
{
sizef sizef = new sizef(0, grfx.dpix * font.sizeinpoints / 72);
for (int i = 0; i < str.length; i++)
{
if (char.isdigit(str[i]))
{
sizef.width += 42 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
else if (str[i] == -)
{
sizef.width += 42 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
else if (str[i] == 🙂
{
sizef.width += 20 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
else if (str[i] == )
{
sizef.width += 36 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
}
return sizef;
}
public void drawstring(string str, font font, brush brush, float x, float y)
{
this._brush = brush;
this._shadowbrush = new solidbrush(color.fromargb(40, ((solidbrush)this._brush).color));
for (int i = 0; i < str.length; i++)
{
if (char.isdigit(str[i]))
{
x = number(str[i] – 0, font, brush, x, y);
}
else if (str[i] == -)
{
x = minussign(font, brush, x, y);
}
else if (str[i] == 🙂
{
x = colon(font, brush, x, y);
}
else if (str[i] == )
{
x = drawspace(font, brush, x, y);
}
}
}
private float number(int num, font font, brush brush, float x, float y)
{
for (int i = 0; i < apt.length; i++)
{
if(_isdrawshadow)
{
fill(apt[i], font, _shadowbrush, x, y);
}
if (bysegment[num, i] == 1)
{
fill(apt[i], font, brush, x, y);
}
}
return x + 42 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
private float minussign(font font, brush brush, float x, float y)
{
fill(apt[3], font, brush, x, y);
return x + 42 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
private float drawspace(font font, brush brush, float x, float y)
{
return x + 36 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
private float colon(font font, brush brush, float x, float y)
{
point[][] apt = new point[2][];
apt[0] = new point[] {
new point( 4, 12), new point( 16, 12),
new point(16, 24), new point( 4, 24)
};
apt[1] = new point[] {
new point( 4, 50), new point( 16, 50),
new point(16, 62), new point( 4, 62)
};
for (int i = 0; i < apt.length; i++)
{
fill(apt[i], font, brush, x, y);
}
return x + 20 * grfx.dpix * font.sizeinpoints / 72 / 72;
}
private void fill(point[] apt, font font, brush brush, float x, float y)
{
pointf[] aptf = new pointf[apt.length];
for (int i = 0; i < apt.length; i++)
{
aptf[i].x = x + apt[i].x * grfx.dpix * font.sizeinpoints / 72 / 72;
aptf[i].y = y + apt[i].y * grfx.dpiy * font.sizeinpoints / 72 / 72;
}
grfx.fillpolygon(brush, aptf);
}
}
}
