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Rename ColorPicker to HSVAColorPicker

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This commit is contained in:
Sasha Koshka 2024-08-15 17:05:19 -04:00
parent acec0f6222
commit 2fe433991d
1 changed files with 20 additions and 20 deletions
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40
colorpicker.go
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@ -8,13 +8,13 @@ import "git.tebibyte.media/tomo/tomo/canvas"
import "git.tebibyte.media/tomo/objects/layouts"
import "git.tebibyte.media/tomo/objects/internal"
// ColorPicker allows the user to pick a color by controlling its HSBA
// HSVAColorPicker allows the user to pick a color by controlling its HSVA
// parameters.
type ColorPicker struct {
type HSVAColorPicker struct {
tomo.ContainerBox
value internal.HSVA
pickerMap *colorPickerMap
pickerMap *hsvaColorPickerMap
hueSlider *Slider
alphaSlider *Slider
@ -23,14 +23,14 @@ type ColorPicker struct {
}
}
// NewColorPicker creates a new color picker with the specified color.
func NewColorPicker (value color.Color) *ColorPicker {
picker := &ColorPicker {
// NewHSVAColorPicker creates a new color picker with the specified color.
func NewHSVAColorPicker (value color.Color) *HSVAColorPicker {
picker := &HSVAColorPicker {
ContainerBox: tomo.NewContainerBox(),
}
picker.SetRole(tomo.R("objects", "ColorPicker"))
picker.SetAttr(tomo.ALayout(layouts.Row { true, false, false }))
picker.pickerMap = newColorPickerMap(picker)
picker.pickerMap = newHsvaColorPickerMap(picker)
picker.Add(picker.pickerMap)
picker.hueSlider = NewVerticalSlider(0.0)
@ -55,12 +55,12 @@ func NewColorPicker (value color.Color) *ColorPicker {
}
// Value returns the color of the picker.
func (this *ColorPicker) Value () color.Color {
func (this *HSVAColorPicker) Value () color.Color {
return this.value
}
// SetValue sets the color of the picker.
func (this *ColorPicker) SetValue (value color.Color) {
func (this *HSVAColorPicker) SetValue (value color.Color) {
if value == nil { value = color.Transparent }
this.value = internal.HSVAModel.Convert(value).(internal.HSVA)
this.hueSlider.SetValue(this.value.H)
@ -69,23 +69,23 @@ func (this *ColorPicker) SetValue (value color.Color) {
// OnValueChange specifies a function to be called when the user changes the
// swatch's color.
func (this *ColorPicker) OnValueChange (callback func ()) event.Cookie {
func (this *HSVAColorPicker) OnValueChange (callback func ()) event.Cookie {
return this.on.valueChange.Connect(callback)
}
// RGBA satisfies the color.Color interface
func (this *ColorPicker) RGBA () (r, g, b, a uint32) {
func (this *HSVAColorPicker) RGBA () (r, g, b, a uint32) {
return this.value.RGBA()
}
type colorPickerMap struct {
type hsvaColorPickerMap struct {
tomo.CanvasBox
dragging bool
parent *ColorPicker
parent *HSVAColorPicker
}
func newColorPickerMap (parent *ColorPicker) *colorPickerMap {
picker := &colorPickerMap {
func newHsvaColorPickerMap (parent *HSVAColorPicker) *hsvaColorPickerMap {
picker := &hsvaColorPickerMap {
CanvasBox: tomo.NewCanvasBox(),
parent: parent,
}
@ -97,26 +97,26 @@ func newColorPickerMap (parent *ColorPicker) *colorPickerMap {
return picker
}
func (this *colorPickerMap) handleButtonDown (button input.Button) bool {
func (this *hsvaColorPickerMap) handleButtonDown (button input.Button) bool {
if button != input.ButtonLeft { return false }
this.dragging = true
this.drag()
return true
}
func (this *colorPickerMap) handleButtonUp (button input.Button) bool {
func (this *hsvaColorPickerMap) handleButtonUp (button input.Button) bool {
if button != input.ButtonLeft { return false }
this.dragging = false
return true
}
func (this *colorPickerMap) handleMouseMove () bool {
func (this *hsvaColorPickerMap) handleMouseMove () bool {
if !this.dragging { return false }
this.drag()
return true
}
func (this *colorPickerMap) drag () {
func (this *hsvaColorPickerMap) drag () {
pointer := this.Window().MousePosition()
bounds := this.InnerBounds()
this.parent.value.S = float64(pointer.X - bounds.Min.X) / float64(bounds.Dx())
@ -126,7 +126,7 @@ func (this *colorPickerMap) drag () {
this.Invalidate()
}
func (this *colorPickerMap) Draw (can canvas.Canvas) {
func (this *hsvaColorPickerMap) Draw (can canvas.Canvas) {
bounds := can.Bounds()
for y := bounds.Min.Y; y < bounds.Max.Y; y ++ {
for x := bounds.Min.X; x < bounds.Max.X; x ++ {