| 发表于：2007-04-20 17:02:12 楼主 |
void cnewbutton::drawitem（lpdrawitemstruct lpdrawitemstruct)
{
cdc* pdc = cdc::fromhandle（lpdrawitemstruct-> hdc);
uint nstate = lpdrawitemstruct-> itemstate;
crect buttonrect;
getclientrect（buttonrect);
if （iswindowenabled（))
nstate &= ~ods_disabled;
else
nstate ¦= ods_disabled;
drawbutton（pdc, nstate, buttonrect);
drawcolorlight（pdc);
drawtext（pdc);
}
void cnewbutton::drawbutton（cdc* pdc, uint nstate, crect rect)
{
/* cbrush brush（rgb（212,223,243)),*oldbrush=null;
brush.createobject（);
oldbrush=pdc-> selectobject（&brush);
pdc-> fillrect（rect,&brush);
pdc-> selectobject（oldbrush);
brush.deleteobject（);
*/
colorref upcol,downcol,edgecol;//////////////////////
edgecol=rgb（0,0,0);
bool brevers = false;
if （（nstate & ods_selected) == ods_selected)
{
// pressed
upcol=rgb（128,128,128);
edgecol=rgb（128,128,128);
downcol=rgb（255,255,255);
brevers = true;
}
else if （（nstate & ods_disabled) == ods_disabled)
{
// disabled// in the future maybe
}
else
{ // normal
upcol=rgb（255,255,255);
downcol=rgb（128,128,128);
}
cpen* poldpen = null;
cpen pen1;
cpen pen2;
pen1.createpen（ps_solid, 1, upcol);
poldpen=pdc-> selectobject（ &pen1 );
pdc-> moveto（1,rect.height（)-1);
pdc-> lineto（1,1);
pdc-> lineto（rect.width（)-1,1);
pdc-> moveto（0,rect.height（)-1);
pdc-> lineto（0,0);
pdc-> lineto（rect.width（)-1,0);
pdc-> selectobject（ poldpen );
pen1.deleteobject（);
pen2.createpen（ps_solid, 1, downcol);
poldpen =pdc-> selectobject（ &pen2 );
pdc-> moveto（rect.width（)-1,0);
pdc-> lineto（rect.width（)-1,rect.height（)-1);
pdc-> lineto（0,rect.height（)-1);
pdc-> moveto（rect.width（)-2,1);
pdc-> lineto（rect.width（)-2,rect.height（)-2);
pdc-> lineto（0,rect.height（)-2);
pdc-> selectobject（ poldpen );
pen2.deleteobject（);
pen1.createpen（ps_solid, 1, edgecol);
poldpen = pdc-> selectobject（&pen1);
if （brevers)
{
pdc-> moveto（1,rect.height（)-2);
pdc-> lineto（1,1);
pdc-> lineto（rect.width（)-2,1);
}
else
{
pdc-> moveto（rect.width（)-1,0);
pdc-> lineto（rect.width（)-1,rect.height（)-1);
pdc-> lineto（-1,rect.height（)-1);
}
pdc-> selectobject（ poldpen );
pen1.deleteobject（);
}
void cnewbutton::drawcolorlight（cdc* pdc)//绘制带白底的绿色灯
{
crect rect;
int h,w;
getclientrect（rect);
h=rect.height（)/10;
w=rect.width（)/4;
if （（m_txtcaption!= " "))
{
cpen penwhite;
penwhite.createpen（ps_solid,1,rgb（255,255,255));//白
cpen *oldpen=pdc-> selectobject（&penwhite);
cbrush *oldbr=null;
cbrush brgreen（rgb（0,255,0));//绿
brgreen.createobject（);
oldbr=pdc-> selectobject（&brgreen);
pdc-> ellipse（rect.left+w,rect.top+h,rect.left+w*3,rect.top+h+2*w);//绿色灯
pdc-> selectobject（oldbr);
brgreen.deleteobject（);
pdc-> selectobject（oldpen);
penwhite.deleteobject（);
penwhite.createpen（ps_solid,5,rgb（255,255,255));
oldpen=pdc-> selectobject（&penwhite);
pdc-> moveto（rect.left+w+6,rect.top+h+6);
pdc-> lineto（rect.left+w+6,rect.top+h+6);
pdc-> selectobject（oldpen);
penwhite.deleteobject（);
}
}
void cnewbutton::ontimer（uint nidevent)
{
crect rect;
int h,w;
cbrush *oldbrush=null;
getclientrect（rect);
h=rect.height（)/10;
w=rect.width（)/4;
cclientdc dc（this);
if（!bon)
{
cpen penwhite;
penwhite.createpen（ps_solid,1,rgb（255,255,255));
cpen *oldpen=dc.selectobject（&penwhite);
cbrush brdarkred（rgb（255,0,128));
brdarkred.createobject（);
oldbrush=dc.selectobject（&brdarkred);
dc.ellipse（rect.left+w,rect.top+h,rect.left+w*3,rect.top+h+2*w);//红色灯
dc.selectobject（oldbrush);
brdarkred.deleteobject（);
dc.selectobject（oldpen);
penwhite.deleteobject（);
penwhite.createpen（ps_solid,5,rgb（255,255,255));
oldpen=dc.selectobject（&penwhite);
dc.moveto（rect.left+w+6,rect.top+h+5);
dc.lineto（rect.left+w+7,rect.top+h+5);
dc.selectobject（oldpen);
penwhite.deleteobject（);
}
else
{
cpen penwhite;
penwhite.createpen（ps_solid,1,rgb（192,192,192));//灰
cpen *oldpen=dc.selectobject（&penwhite);
cbrush brred（rgb（255,0,0));
oldbrush=dc.selectobject（&brred);
dc.ellipse（rect.left+w,rect.top+h,rect.left+w*3,rect.top+h+2*w);//红色灯
dc.selectobject（oldbrush);
brred.deleteobject（);
dc.selectobject（oldpen);
penwhite.deleteobject（);
penwhite.createpen（ps_solid,5,rgb（192,192,192));
oldpen=dc.selectobject（&penwhite);
dc.moveto（rect.left+w+6,rect.top+h+5);
dc.lineto（rect.left+w+7,rect.top+h+5);
dc.selectobject（oldpen);
penwhite.deleteobject（);
}
bon=!bon;
cbutton::ontimer（nidevent);
}
在另一sdh_devicedlg.cpp如何清除drawcolorlight（pdc);和ontimer绘制告警灯．
//光盘a开关按钮
void csdh_devicedlg::onga（)
{
hbitmap hbitmap1 = ::loadbitmap（afxgetinstancehandle（),makeintresource （idb_red));
hbitmap hbitmap2 = ::loadbitmap（afxgetinstancehandle（),makeintresource （idb_green));
switch（num%2)
{
case 0 ://关
m_switch.setwindowtext（ "光盘a关闭... ");
send_a_frame_to_device（device_addr,0x08,3,0x64,0xa0,1);
m_ga.setbitmap（hbitmap1);
//////清除语句写在这里
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