mirror of
https://github.com/mum4k/termdash.git
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55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package termbox
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// cell_options.go converts termdash cell options to the termbox format.
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import (
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"errors"
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"github.com/mum4k/termdash/cell"
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tbx "github.com/nsf/termbox-go"
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)
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// cellColor converts termdash cell color to the termbox format.
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func cellColor(c cell.Color) tbx.Attribute {
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return tbx.Attribute(c)
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}
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// cellOptsToFg converts the cell options to the termbox foreground attribute.
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func cellOptsToFg(opts *cell.Options) (tbx.Attribute, error) {
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a := cellColor(opts.FgColor)
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if opts.Bold {
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a |= tbx.AttrBold
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}
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// FIXME: Termbox doesn't have an italics attribute
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if opts.Italic {
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return 0, errors.New("Termbox: Unsupported attribute: Italic")
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}
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if opts.Underline {
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a |= tbx.AttrUnderline
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}
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// FIXME: Termbox doesn't have a strikethrough attribute
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if opts.Strikethrough {
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return 0, errors.New("Termbox: Unsupported attribute: Strikethrough")
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}
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return a, nil
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}
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// cellOptsToBg converts the cell options to the termbox background attribute.
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func cellOptsToBg(opts *cell.Options) tbx.Attribute {
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return cellColor(opts.BgColor)
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}
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