99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
package render
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import (
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"image"
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"tuxpa.in/t/erm/app/darktile/font"
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"tuxpa.in/t/erm/app/darktile/gui/popup"
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termutil2 "tuxpa.in/t/erm/app/darktile/termutil"
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imagefont "golang.org/x/image/font"
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)
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type Render struct {
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frame *ebiten.Image
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screen *ebiten.Image
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terminal *termutil2.Terminal
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buffer *termutil2.Buffer
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theme *termutil2.Theme
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fontManager *font.Manager
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pixelWidth int
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pixelHeight int
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font Font
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opacity float64
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popups []popup.Message
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enableLigatures bool
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cursorImage *ebiten.Image
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}
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type Font struct {
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Regular imagefont.Face
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Bold imagefont.Face
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Italic imagefont.Face
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BoldItalic imagefont.Face
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CellSize image.Point
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DotDepth int
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}
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func New(screen *ebiten.Image, terminal *termutil2.Terminal, fontManager *font.Manager, popups []popup.Message, opacity float64, enableLigatures bool, cursorImage *ebiten.Image) *Render {
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w, h := screen.Size()
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return &Render{
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screen: screen,
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frame: ebiten.NewImage(w, h),
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terminal: terminal,
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buffer: terminal.GetActiveBuffer(),
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theme: terminal.Theme(),
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fontManager: fontManager,
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pixelWidth: w,
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pixelHeight: h,
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font: Font{
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Regular: fontManager.RegularFontFace(),
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Bold: fontManager.BoldFontFace(),
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Italic: fontManager.ItalicFontFace(),
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BoldItalic: fontManager.BoldItalicFontFace(),
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CellSize: fontManager.CharSize(),
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DotDepth: fontManager.DotDepth(),
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},
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opacity: opacity,
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popups: popups,
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enableLigatures: enableLigatures,
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cursorImage: cursorImage,
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}
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}
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func (r *Render) Draw() {
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r.terminal.Lock()
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defer r.terminal.Unlock()
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// 1. fill frame with default background colour
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r.frame.Fill(r.theme.DefaultBackground())
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// 2. draw content (each row, each cell)
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r.drawContent()
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// 3. draw cursor
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r.drawCursor()
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// // 4. draw sixels
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r.drawSixels()
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// // 5. draw selection
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r.drawSelection()
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// // 6. draw highlight/annotations
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r.drawAnnotation()
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// // 7. draw popups
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r.drawPopups()
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// // 8. apply effects (e.g. transparency)
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r.finalise()
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}
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func (r *Render) finalise() {
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defer r.frame.Dispose()
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opt := &ebiten.DrawImageOptions{}
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opt.ColorM.Scale(1, 1, 1, r.opacity)
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r.screen.DrawImage(r.frame, opt)
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}
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