Defines
|
#define |
TimeToScreen(t,
scale,
scroll) (int(floor((t)*(scale)+0.5))
- (scroll)) |
|
Given a TimeValue t, if you have the time
scale and time scroll factors, this macro returns the screen space
X for that time.
|
#define |
ScreenToTime(s,
scale,
scroll) ((int)floor((s)/(scale) +
(scroll)/(scale)+0.5)) |
|
Given a screen coordinate s, if you have the
scale and scroll factors, this macro will return a TimeValue for
that screen position.
|
#define |
ValueToScreen(v,
h, scale,
scroll) (h-int(floor((v)*(scale)+0.5))
- (scroll)) |
|
Given a Value v, if you have the value scale and
value scroll factors, this macro returns the screen space Y for
that value.
|
#define |
ScreenToValue(s,
h, scale,
scroll) ((float(h)-(float(s)+float(scroll)))/(scale)) |
|
Given a screen coordinate s, if you have the
scale and scroll factors, this macro will return a value for that
screen position.
|
#define |
ScaleAboutOrigin(val,
origin, scale) ((((val)-(origin))*(scale))+(origin)) |