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https://github.com/xiaoqidun/ofdgo.git
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65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
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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 font
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import (
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"path"
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"strings"
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)
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// fontNameReplacer 移除字体名称匹配时忽略的分隔符
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var fontNameReplacer = strings.NewReplacer(" ", "", "-", "", "_", "", "(", "", ")", "", "（", "", "）", "")
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// NormalizeName 规范化字体名称
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// 入参: name 字体名称
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// 返回: string 规范化后的字体名称
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func NormalizeName(name string) string {
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name = strings.ReplaceAll(name, "\\", "/")
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name = path.Base(strings.TrimSpace(name))
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if IsFontFileName(name) {
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name = strings.TrimSuffix(name, path.Ext(name))
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}
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name = strings.ToLower(strings.TrimSpace(name))
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return fontNameReplacer.Replace(name)
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}
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// IsFontFileName 判断是否为字体文件名
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// 入参: name 文件名
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// 返回: bool 是否为字体文件
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func IsFontFileName(name string) bool {
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switch strings.ToLower(path.Ext(name)) {
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case ".ttf", ".otf", ".ttc":
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return true
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default:
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return false
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}
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}
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// AppendFontName 追加字体名称
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// 入参: names 字体名称列表, seen 去重映射, name 字体名称
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// 返回: []string 字体名称列表
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func AppendFontName(names []string, seen map[string]bool, name string) []string {
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name = strings.TrimSpace(name)
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if name == "" {
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return names
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}
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key := NormalizeName(name)
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if key == "" || seen[key] {
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return names
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}
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seen[key] = true
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return append(names, name)
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}
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