func cls() {
//
Colours(col.ScreenF, col.ScreenB)
if underX {
xker.Clr(0, 0, nX[mode], nY[mode])
return
}
if !visible {
return
}
B := cc(col.Code(col.ScreenB))
l := int(colourdepth) * int(nX[mode])
a := 0
for y := 0; y < int(nY[mode]); y++ {
for x := 0; x < int(nX[mode]); x++ {
copy(emptyBackground[a:a+int(colourdepth)], B)
a += int(colourdepth)
}
}
a = 0
for y := 0; y < int(nY[mode]); y++ {
copy(fbmem[a:a+l], emptyBackground)
copy(fbcop[a:a+l], emptyBackground)
a += int(XX) * int(colourdepth)
}
setColours(col.ScreenB)
}
func clear(L, C, W, H uint) {
//
Colours(col.ScreenF, col.ScreenB)
x := C * actualCharwidth
y := L * actualCharheight
if underX {
xker.Clr(x, y, W*actualCharwidth, H*actualCharheight)
} else {
ClearGr(x, y, x+W*actualCharwidth-0 /* 0 ? */, y+H*actualCharheight-1)
}
}
func clearGr(x, y, x1, y1 uint) {
//
if !rectangleOk(&x, &y, &x1, &y1) {
return
}
if underX {
xker.Clr(x, y, x1-x+1, y1-y+1)
} else {
if !visible {
return
}
dx := int(x1-x) * int(colourdepth)
dy := int(nX[maxMode]) * int(colourdepth)
a := int(y*nX[maxMode]+x) * int(colourdepth)
for z := uint(0); z <= y1-y; z++ {
copy(fbmem[a:a+dx], emptyBackground[0:dx])
a += dy
}
}
}
func initX() {
//
visible = true
mode = defaultMode
XX, YY, colourdepth = xker.Init(nX[mode], nY[mode], col.ScreenF, col.ScreenB)
maxMode = Mode(0)
for {
if XX == nX[maxMode] && YY == nY[maxMode] {
break
} else if maxMode+1 < NModes {
maxMode++
} else {
mode = defaultMode
XX, YY = nX[mode], nY[mode]
break
}
}
xker.Colours(col.ScreenF, col.ScreenB) // !
xker.Clr(0, 0, nX[mode], nY[mode])
swFontsize(font.Normal)
go blink()
// ker.InstallTerm (terminateX ())
}