39 lines
770 B
Go
39 lines
770 B
Go
// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
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// Use of this source code is governed by a GPLv3 license that can
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// be found in the LICENSE file.
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package termui
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import (
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"image"
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"sync"
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tb "github.com/nsf/termbox-go"
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)
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type Drawable interface {
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GetRect() image.Rectangle
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SetRect(int, int, int, int)
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Draw(*Buffer)
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sync.Locker
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}
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func Render(items ...Drawable) {
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for _, item := range items {
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buf := NewBuffer(item.GetRect())
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item.Lock()
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item.Draw(buf)
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item.Unlock()
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for point, cell := range buf.CellMap {
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if point.In(buf.Rectangle) {
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tb.SetCell(
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point.X, point.Y,
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cell.Rune,
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tb.Attribute(cell.Style.Fg+1)|tb.Attribute(cell.Style.Modifier), tb.Attribute(cell.Style.Bg+1),
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)
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}
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}
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}
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tb.Flush()
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}
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