Color wheel: Difference between revisions
→{{header|Ring}}
Line 908:
<lang ring>
#===================================================================#
# Sample: Color Wheel
#
#===================================================================#
load "guilib.ring"
paint
xWidth
yHeight
{
{
setWindowTitle("Color wheel")
setGeometry(500,150,xWidth,yHeight)
oCanvas = new QLabel(oWin)
{
### daVinci paints the MonaLisa on the Canvas
MonaLisa = new QPixMap2( xWidth, yHeight)
color = new QColor() { setrgb(255,255,255,0) }
MonaLisa.fill(color)
daVinci = new QPainter()
{
begin(MonaLisa)
}
setPixMap(MonaLisa)
}
show()
}
colorWheel()
exec()
}
func colorWheel
#=====================================================================#
? "Start Processing..."
t1 = clock()
? "Clock : " + t1
#=====================================================================#
aList = []
pi = 3.14
radius = 150
color = new QColor()
pen1 = new QPen()
for i = 1 to xWidth
p = pow(i-radius,2)
for j = 1 to yHeight
h = (atan2(i-radius,j-radius)+pi)/(2*pi)
s = sqrt(p+pow(j-radius,2))/radius
if s < = 1 and h < = 1
aList + [i,j,h,s,1,1]
ok
next
next
#=====================================================================#
? "Start drawing..."
t2 = clock()
? "Clock : " + t2
#=====================================================================#
daVinci.drawHSVFList(aList)
oCanvas.setPixMap(MonaLisa)
#=====================================================================#
? "Done..."
t3 = clock()
? "Clock : " + t3
#=====================================================================#
? "Processing Time: " + ( (t2-t1)/ClocksPerSecond() ) + " seconds "
? "Drawing Time: " + ( (t3-t2)/ClocksPerSecond() ) + " seconds "
? "Total Time: " + ( (t3-t1)/ClocksPerSecond() ) + " seconds "
#=====================================================================#
</lang>
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