package d2gui import ( "image/color" "log" "time" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset" ) // Constants defining the main shades of basic colors // found in the game const ( ColorWhite = 0xffffffff ColorRed = 0xdb3f3dff ColorGreen = 0x00d000ff ColorBlue = 0x5450d1ff ColorBrown = 0xa1925dff ColorGrey = 0x555555ff ) // Label is renderable text type Label struct { widgetBase renderer d2interface.Renderer text string font *d2asset.Font surface d2interface.Surface color color.RGBA hoverColor color.RGBA isHovered bool isBlinking bool isDisplayed bool blinkTimer time.Time } func createLabel(renderer d2interface.Renderer, text string, font *d2asset.Font, col color.RGBA) *Label { label := &Label{ font: font, renderer: renderer, color: col, hoverColor: col, } err := label.setText(text) if err != nil { log.Print(err) return nil } label.SetVisible(true) return label } // SetHoverColor will set the value of hoverColor func (l *Label) SetHoverColor(col color.RGBA) { l.hoverColor = col } // SetIsBlinking will set the isBlinking value func (l *Label) SetIsBlinking(isBlinking bool) { l.isBlinking = isBlinking } // SetIsHovered will set the isHovered value func (l *Label) SetIsHovered(isHovered bool) error { l.isHovered = isHovered return l.setText(l.text) } func (l *Label) render(target d2interface.Surface) { if l.isBlinking && time.Since(l.blinkTimer) >= 200*time.Millisecond { l.isDisplayed = !l.isDisplayed l.blinkTimer = time.Now() } if l.isBlinking && !l.isDisplayed { return } target.Render(l.surface) } func (l *Label) getSize() (width, height int) { return l.surface.GetSize() } // GetText returns the label text func (l *Label) GetText() string { return l.text } // SetColor sets the label text func (l *Label) SetColor(col color.RGBA) error { l.color = col return l.setText(l.text) } // SetText sets the label text func (l *Label) SetText(text string) error { if text == l.text { return nil } return l.setText(text) } func (l *Label) setText(text string) error { width, height := l.font.GetTextMetrics(text) surface := l.renderer.NewSurface(width, height) col := l.color if l.isHovered { col = l.hoverColor } l.font.SetColor(col) if err := l.font.RenderText(text, surface); err != nil { return err } l.surface = surface l.text = text return nil }