feat(正式发布): 实现了OFD渲染和导出为PDF、图片、矢量图等

ofdgo_text.go

@@ -0,0 +1,48 @@
+// Copyright 2025 肖其顿 (XIAO QI DUN)
+//
+// 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 ofdgo 首款原生、全平台兼容的纯 Go 语言 OFD 渲染库
+package ofdgo
+
+import (
+	"image/color"
+	"strconv"
+	"strings"
+)
+
+// parseColor 解析颜色字符串
+// 入参: val 颜色值(R G B)
+// 返回: color.Color 颜色对象
+func parseColor(val string) color.Color {
+	parts := strings.Fields(val)
+	if len(parts) >= 3 {
+		r, _ := strconv.Atoi(parts[0])
+		g, _ := strconv.Atoi(parts[1])
+		b, _ := strconv.Atoi(parts[2])
+		return color.RGBA{R: uint8(r), G: uint8(g), B: uint8(b), A: 255}
+	}
+	return color.Black
+}
+
+// GetDeltaX 获取X轴偏移量数组
+// 返回: []float64 偏移量数组
+func (tc *TextCode) GetDeltaX() []float64 {
+	return parseFloats(tc.DeltaX)
+}
+
+// GetDeltaY 获取Y轴偏移量数组
+// 返回: []float64 偏移量数组
+func (tc *TextCode) GetDeltaY() []float64 {
+	return parseFloats(tc.DeltaY)
+}