77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
package d2gui
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import (
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"log"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
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"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
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)
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// Label is renderable text
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type Label struct {
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widgetBase
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renderer d2interface.Renderer
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text string
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font *d2asset.Font
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surface d2interface.Surface
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}
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func createLabel(renderer d2interface.Renderer, text string, font *d2asset.Font) *Label {
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label := &Label{
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font: font,
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renderer: renderer,
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}
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err := label.setText(text)
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if err != nil {
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log.Print(err)
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return nil
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}
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label.SetVisible(true)
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return label
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}
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func (l *Label) render(target d2interface.Surface) error {
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return target.Render(l.surface)
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}
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func (l *Label) getSize() (width, height int) {
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return l.surface.GetSize()
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}
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// GetText returns the label text
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func (l *Label) GetText() string {
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return l.text
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}
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// SetText sets the label text
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func (l *Label) SetText(text string) error {
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if text == l.text {
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return nil
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}
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return l.setText(text)
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}
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func (l *Label) setText(text string) error {
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width, height := l.font.GetTextMetrics(text)
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surface, err := l.renderer.NewSurface(width, height, d2enum.FilterNearest)
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if err != nil {
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return err
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}
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if err := l.font.RenderText(text, surface); err != nil {
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return err
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}
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l.surface = surface
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l.text = text
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return nil
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}
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