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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-06 18:27:20 -05:00
OpenDiablo2/UI/Button.go

99 lines
2.6 KiB
Go

package UI
import (
"image/color"
"github.com/essial/OpenDiablo2/Common"
"github.com/essial/OpenDiablo2/Palettes"
"github.com/essial/OpenDiablo2/ResourcePaths"
"github.com/hajimehoshi/ebiten"
)
// Button defines a standard wide UI button
type Button struct {
enabled bool
x, y int
width, height uint32
visible bool
pressed bool
fileProvider Common.FileProvider
normalImage *ebiten.Image
pressedImage *ebiten.Image
}
// CreateButton creates an instance of Button
func CreateButton(fileProvider Common.FileProvider, text string) *Button {
result := &Button{
fileProvider: fileProvider,
width: 272,
height: 35,
visible: true,
enabled: true,
pressed: false,
}
font := GetFont(ResourcePaths.FontExocet10, Palettes.Units, fileProvider)
result.normalImage, _ = ebiten.NewImage(272, 35, ebiten.FilterNearest)
result.pressedImage, _ = ebiten.NewImage(272, 35, ebiten.FilterNearest)
textWidth, textHeight := font.GetTextMetrics(text)
textX := (272 / 2) - (textWidth / 2)
textY := (35 / 2) - (textHeight / 2) + 5
buttonSprite := fileProvider.LoadSprite(ResourcePaths.WideButtonBlank, Palettes.Units)
buttonSprite.MoveTo(0, 0)
buttonSprite.Blend = true
buttonSprite.DrawSegments(result.normalImage, 2, 1, 0)
font.Draw(int(textX), int(textY), text, color.RGBA{100, 100, 100, 255}, result.normalImage)
buttonSprite.DrawSegments(result.pressedImage, 2, 1, 1)
font.Draw(int(textX-2), int(textY+2), text, color.Black, result.pressedImage)
return result
}
// Draw renders the button
func (v *Button) Draw(target *ebiten.Image) {
opts := &ebiten.DrawImageOptions{
CompositeMode: ebiten.CompositeModeSourceAtop,
Filter: ebiten.FilterNearest,
}
opts.GeoM.Translate(float64(v.x), float64(v.y))
if v.pressed {
target.DrawImage(v.pressedImage, opts)
return
}
target.DrawImage(v.normalImage, opts)
}
// GetEnabled returns the enabled state
func (v *Button) GetEnabled() bool {
return v.enabled
}
// SetEnabled sets the enabled state
func (v *Button) SetEnabled(enabled bool) {
v.enabled = enabled
}
// GetSize returns the size of the button
func (v *Button) GetSize() (uint32, uint32) {
return v.width, v.height
}
// MoveTo moves the button
func (v *Button) MoveTo(x, y int) {
v.x = x
v.y = y
}
// GetLocation returns the location of the button
func (v *Button) GetLocation() (x, y int) {
return v.x, v.y
}
// GetVisible returns the visibility of the button
func (v *Button) GetVisible() bool {
return v.visible
}
// SetVisible sets the visibility of the button
func (v *Button) SetVisible(visible bool) {
v.visible = visible
}