termdash/terminal/termbox/cell_options.go

61 lines
1.8 KiB
Go

// Copyright 2018 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package termbox
// cell_options.go converts termdash cell options to the termbox format.
import (
"fmt"
"github.com/mum4k/termdash/cell"
tbx "github.com/nsf/termbox-go"
)
// cellColor converts termdash cell color to the termbox format.
func cellColor(c cell.Color) (tbx.Attribute, error) {
switch c {
case cell.ColorDefault:
return tbx.ColorDefault, nil
case cell.ColorBlack:
return tbx.ColorBlack, nil
case cell.ColorRed:
return tbx.ColorRed, nil
case cell.ColorGreen:
return tbx.ColorGreen, nil
case cell.ColorYellow:
return tbx.ColorYellow, nil
case cell.ColorBlue:
return tbx.ColorBlue, nil
case cell.ColorMagenta:
return tbx.ColorMagenta, nil
case cell.ColorCyan:
return tbx.ColorCyan, nil
case cell.ColorWhite:
return tbx.ColorWhite, nil
default:
return 0, fmt.Errorf("don't know how to convert cell color %v to the termbox format", c)
}
}
// cellOptsToFg converts the cell options to the termbox foreground attribute.
func cellOptsToFg(opts *cell.Options) (tbx.Attribute, error) {
return cellColor(opts.FgColor)
}
// cellOptsToBg converts the cell options to the termbox background attribute.
func cellOptsToBg(opts *cell.Options) (tbx.Attribute, error) {
return cellColor(opts.BgColor)
}