Documentation
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Overview ¶
Package utils provide some helpers functions for other packages
Index ¶
- Constants
- func AppendStrUnique(slice []string, s string) []string
- func Bool2Obox(b bool) int
- func Bool2str(b bool) string
- func ChangeSignF(n float64) float64
- func ChangeSignN(n int) int
- func CircleRange(n int, x, y, radius float64, f interpolate.Interp) (nums []float64)
- func Deg(r float64) float64
- func DivMod(a, b int) (q, r int)
- func Hex2int(hexStr string) int
- func LenString(text string) int
- func LoadFont(fontName string, fontSize int) (face font.Face, err error)
- func MeasureString(ff font.Face, s string) (w float64, h float64)
- func Obox2bool(s string) bool
- func Polar2Rect(radius, angle float64) (x, y int)
- func Rad(d float64) float64
- func RandomChoiceFloat(list []float64) float64
- func RandomChoiceInt(list []int) int
- func RandomChoiceString(list []string) string
- func RandomFloat(min, max float64) float64
- func RandomFloatRange(n int, min, max float64) (nums []float64)
- func RandomInt(min, max int) int
- func RandomIntRange(n, min, max int) (nums []int)
- func Rect2Polar(px, py int) (angle, r float64)
- func Round(f float64, places int) float64
- func Str2bool(s string) bool
- func Str2float(s string) float64
- func Str2int(s string) int
- func TrimSpaceCount(text string) (string, int, int)
Constants ¶
const ( // RadToDeg Radians to Degrees RadToDeg = 180 / math.Pi // DegToRad Degrees to Radians DegToRad = math.Pi / 180 )
Variables ¶
This section is empty.
Functions ¶
func AppendStrUnique ¶
AppendStrUnique append to a string slice if the value doesn't already exist
func ChangeSignF ¶
ChangeSignF convert possitive to negative and back (float)
func ChangeSignN ¶
ChangeSignN convert possitive to negative and back (integer)
func CircleRange ¶
func CircleRange( n int, x, y, radius float64, f interpolate.Interp) (nums []float64)
CircleRange generate x, y coords of a circle.
func MeasureString ¶
MeasureString returns the rendered width and height of the specified text given the current font face.
func Polar2Rect ¶
Polar2Rect convert polar coords to rectangular.
func RandomChoiceFloat ¶
RandomChoiceFloat select a random choice in a float64 slice
func RandomChoiceInt ¶
RandomChoiceInt select a random choice in a int slice
func RandomChoiceString ¶
RandomChoiceString select a random choice in a string slice
func RandomFloat ¶
RandomFloat random decimal number between min and max
func RandomFloatRange ¶
RandomFloatRange random n numbers between min and max (float)
func RandomIntRange ¶
RandomIntRange random n numbers between min and max (integer)
func Rect2Polar ¶
Rect2Polar convert rectangolar coords to rectangular.
Types ¶
This section is empty.
Source Files