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Added direct link to GoDoc and specified a range of values for the colour button inputs and outputs

This commit is contained in:
Nadav R 2020-05-05 17:49:01 +01:00
parent 867a9e5a49
commit 5b52463b74
2 changed files with 5 additions and 3 deletions
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2
README.md
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@ -30,7 +30,7 @@ should suffice.
# Documentation
The in-code documentation is sufficient to get started, but needs improvement.
The in-code documentation is sufficient to get started, but needs improvement. The GoDoc documentation can be found [here](https://godoc.org/github.com/andlabs/ui).
Some simple example programs are in the `examples` directory. You can `go build` each of them individually.

6
colorbutton.go
View File

@ -13,8 +13,8 @@ import "C"
// click to select a color.
type ColorButton struct {
ControlBase
b *C.uiColorButton
onChanged func(*ColorButton)
b *C.uiColorButton
onChanged func(*ColorButton)
}
// NewColorButton creates a new ColorButton.
@ -31,6 +31,7 @@ func NewColorButton() *ColorButton {
// Color returns the color currently selected in the ColorButton.
// Colors are not alpha-premultiplied.
// The output values are between 0 and 1, they map to between 0 and 255. E.g. 1 --> 255, 0.2 --> 51
// TODO rename b or bl
func (b *ColorButton) Color() (r, g, bl, a float64) {
c := C.pkguiAllocColorDoubles()
@ -41,6 +42,7 @@ func (b *ColorButton) Color() (r, g, bl, a float64) {
// SetColor sets the currently selected color in the ColorButton.
// Colors are not alpha-premultiplied.
// The input values are between 0 and 1, they map to between 0 and 255. E.g. 1 --> 255, 0.2 --> 51
// TODO rename b or bl
func (b *ColorButton) SetColor(r, g, bl, a float64) {
C.uiColorButtonSetColor(b.b, C.double(r), C.double(g), C.double(bl), C.double(a))