mirror of
https://github.com/xiaoqidun/ofdgo.git
synced 2026-10-29 15:06:46 +08:00
330 lines
11 KiB
Go
330 lines
11 KiB
Go
// Copyright 2025-2026 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
|
|
|
|
import (
|
|
"encoding/xml"
|
|
"fmt"
|
|
)
|
|
|
|
// PageContent 页面内容
|
|
type PageContent struct {
|
|
XMLName xml.Name `xml:"Page"`
|
|
ID string `xml:"-"`
|
|
Area PageArea `xml:"Area"`
|
|
Template []Template `xml:"Template"`
|
|
PageRes []string `xml:"PageRes"`
|
|
Content Content `xml:"Content"`
|
|
Actions []Action `xml:"Actions>Action"`
|
|
}
|
|
|
|
// Template 页面模板引用
|
|
type Template struct {
|
|
TemplateID string `xml:"TemplateID,attr"`
|
|
ZOrder string `xml:"ZOrder,attr"`
|
|
}
|
|
|
|
// Content 页面内容节点
|
|
type Content struct {
|
|
Layer []Layer `xml:"Layer"`
|
|
}
|
|
|
|
// Layer 图层
|
|
// Objects非空时按其顺序渲染，图元修改应作用于Objects中的对象
|
|
type Layer struct {
|
|
ID string `xml:"ID,attr"`
|
|
Type string `xml:"Type,attr"`
|
|
DrawParam string `xml:"DrawParam,attr"`
|
|
Objects []GraphicObject `xml:"-"`
|
|
TextObject []TextObject `xml:"TextObject"`
|
|
PathObject []PathObject `xml:"PathObject"`
|
|
ImageObject []ImageObject `xml:"ImageObject"`
|
|
CompositeGraphicUnit []CompositeGraphicUnit `xml:"CompositeGraphicUnit"`
|
|
}
|
|
|
|
// GraphicObject 图形对象
|
|
type GraphicObject struct {
|
|
Type string
|
|
TextObject TextObject
|
|
PathObject PathObject
|
|
ImageObject ImageObject
|
|
CompositeGraphicUnit CompositeGraphicUnit
|
|
origin *editorObjectOrigin
|
|
state editorCompositeState
|
|
richText *richTextMetadata
|
|
}
|
|
|
|
// Clips 相对于对象外接矩形的裁剪集合
|
|
// TransFlag仅兼容旧式扩展，写入时折算为Area的CTM
|
|
type Clips struct {
|
|
TransFlag *bool `xml:"TransFlag,attr"`
|
|
Clip []Clip `xml:"Clip"`
|
|
}
|
|
|
|
// Clip 裁剪
|
|
type Clip struct {
|
|
Area []ClipArea `xml:"Area"`
|
|
}
|
|
|
|
// ClipArea 裁剪区域
|
|
type ClipArea struct {
|
|
DrawParam string `xml:"DrawParam,attr"`
|
|
CTM string `xml:"CTM,attr"`
|
|
Path []PathObject `xml:"Path"`
|
|
Text []TextObject `xml:"Text"`
|
|
}
|
|
|
|
// TextObject 文本对象
|
|
// MiterLimitSet为true时，零截断值覆盖继承值，否则零值表示未指定
|
|
type TextObject struct {
|
|
ID string `xml:"ID,attr"`
|
|
Boundary string `xml:"Boundary,attr"`
|
|
DrawParam string `xml:"DrawParam,attr"`
|
|
LineWidth float64 `xml:"LineWidth,attr"`
|
|
Cap string `xml:"Cap,attr"`
|
|
DashPattern string `xml:"DashPattern,attr"`
|
|
DashOffset *float64 `xml:"DashOffset,attr"`
|
|
Join string `xml:"Join,attr"`
|
|
MiterLimit float64 `xml:"MiterLimit,attr"`
|
|
Font string `xml:"Font,attr"`
|
|
Size float64 `xml:"Size,attr"`
|
|
Weight int `xml:"Weight,attr"`
|
|
Italic bool `xml:"Italic,attr"`
|
|
Decoration string `xml:"Decoration,attr"`
|
|
HScale float64 `xml:"HScale,attr"`
|
|
VScale float64 `xml:"VScale,attr"`
|
|
ReadDirection int `xml:"ReadDirection,attr"`
|
|
CharDirection int `xml:"CharDirection,attr"`
|
|
CTM string `xml:"CTM,attr"`
|
|
Alpha *int `xml:"Alpha,attr"`
|
|
Visible *bool `xml:"Visible,attr"`
|
|
Fill *bool `xml:"Fill,attr"`
|
|
Stroke *bool `xml:"Stroke,attr"`
|
|
StrokeColor *StrokeColor `xml:"StrokeColor"`
|
|
FillColor *FillColor `xml:"FillColor"`
|
|
CGTransform []CGTransform `xml:"CGTransform"`
|
|
TextCode []TextCode `xml:"TextCode"`
|
|
Clips *Clips `xml:"Clips"`
|
|
Actions []Action `xml:"Actions>Action"`
|
|
LineWidthSet bool `xml:"-"`
|
|
MiterLimitSet bool `xml:"-"`
|
|
dashPatternSet bool
|
|
layout *textLayout
|
|
}
|
|
|
|
// FillColor 填充颜色
|
|
type FillColor struct {
|
|
Value string `xml:"Value,attr"`
|
|
Index *int `xml:"Index,attr"`
|
|
ColorSpace string `xml:"ColorSpace,attr"`
|
|
Alpha *int `xml:"Alpha,attr"`
|
|
Pattern *Pattern `xml:"Pattern"`
|
|
AxialShd *AxialShd `xml:"AxialShd"`
|
|
RadialShd *RadialShd `xml:"RadialShd"`
|
|
GouraudShd *GouraudShd `xml:"GouraudShd"`
|
|
LaGouraudShd *LaGouraudShd `xml:"LaGouraudShd"`
|
|
unsupported bool
|
|
}
|
|
|
|
// Pattern 图案填充
|
|
type Pattern struct {
|
|
Width float64 `xml:"Width,attr"`
|
|
Height float64 `xml:"Height,attr"`
|
|
XStep float64 `xml:"XStep,attr"`
|
|
YStep float64 `xml:"YStep,attr"`
|
|
ReflectMethod string `xml:"ReflectMethod,attr"`
|
|
RelativeTo string `xml:"RelativeTo,attr"`
|
|
CTM string `xml:"CTM,attr"`
|
|
CellContent PatternContent `xml:"CellContent"`
|
|
}
|
|
|
|
// PatternContent 图案单元内容
|
|
// Objects非空时保留绘制顺序，否则依次使用文字、路径、图片和复合图元数组
|
|
type PatternContent struct {
|
|
Thumbnail string `xml:"Thumbnail,attr"`
|
|
Objects []GraphicObject `xml:"-"`
|
|
TextObject []TextObject `xml:"TextObject"`
|
|
PathObject []PathObject `xml:"PathObject"`
|
|
ImageObject []ImageObject `xml:"ImageObject"`
|
|
CompositeGraphicUnit []CompositeGraphicUnit `xml:"CompositeGraphicUnit"`
|
|
}
|
|
|
|
// TextCode 文本内容节点
|
|
type TextCode struct {
|
|
X string `xml:"X,attr"`
|
|
Y string `xml:"Y,attr"`
|
|
DeltaX string `xml:"DeltaX,attr"`
|
|
DeltaY string `xml:"DeltaY,attr"`
|
|
Index string `xml:"Index,attr"`
|
|
Value string `xml:",chardata"`
|
|
}
|
|
|
|
// CGTransform 字符到字形的映射
|
|
// CodePosition在内存中为整个TextObject的字符索引，保存时转换为所在TextCode的局部索引
|
|
type CGTransform struct {
|
|
CodePosition int `xml:"CodePosition,attr"`
|
|
CodeCount int `xml:"CodeCount,attr"`
|
|
GlyphCount int `xml:"GlyphCount,attr"`
|
|
Glyphs string `xml:"Glyphs"`
|
|
}
|
|
|
|
// PathObject 路径对象
|
|
// MiterLimitSet为true时，零截断值覆盖继承值，否则零值表示未指定
|
|
type PathObject struct {
|
|
ID string `xml:"ID,attr"`
|
|
Boundary string `xml:"Boundary,attr"`
|
|
DrawParam string `xml:"DrawParam,attr"`
|
|
LineWidth float64 `xml:"LineWidth,attr"`
|
|
Join string `xml:"Join,attr"`
|
|
Cap string `xml:"Cap,attr"`
|
|
DashOffset *float64 `xml:"DashOffset,attr"`
|
|
DashPattern string `xml:"DashPattern,attr"`
|
|
MiterLimit float64 `xml:"MiterLimit,attr"`
|
|
CTM string `xml:"CTM,attr"`
|
|
Alpha *int `xml:"Alpha,attr"`
|
|
Visible *bool `xml:"Visible,attr"`
|
|
Stroke *bool `xml:"Stroke,attr"`
|
|
Fill *bool `xml:"Fill,attr"`
|
|
Rule string `xml:"Rule,attr"`
|
|
StrokeColor *StrokeColor `xml:"StrokeColor"`
|
|
FillColor *FillColor `xml:"FillColor"`
|
|
AbbreviatedData string `xml:"AbbreviatedData"`
|
|
Clips *Clips `xml:"Clips"`
|
|
Actions []Action `xml:"Actions>Action"`
|
|
LineWidthSet bool `xml:"-"`
|
|
MiterLimitSet bool `xml:"-"`
|
|
dashPatternSet bool
|
|
}
|
|
|
|
// StrokeColor 勾边颜色
|
|
type StrokeColor FillColor
|
|
|
|
// AxialShd 轴向渐变
|
|
type AxialShd struct {
|
|
MapType string `xml:"MapType,attr"`
|
|
MapUnit float64 `xml:"MapUnit,attr"`
|
|
Extend string `xml:"Extend,attr"`
|
|
StartPoint string `xml:"StartPoint,attr"`
|
|
EndPoint string `xml:"EndPoint,attr"`
|
|
Segment []ShdSegment `xml:"Segment"`
|
|
}
|
|
|
|
// RadialShd 径向渐变
|
|
type RadialShd struct {
|
|
MapType string `xml:"MapType,attr"`
|
|
MapUnit float64 `xml:"MapUnit,attr"`
|
|
Eccentricity float64 `xml:"Eccentricity,attr"`
|
|
Angle float64 `xml:"Angle,attr"`
|
|
Extend string `xml:"Extend,attr"`
|
|
StartPoint string `xml:"StartPoint,attr"`
|
|
StartRadius float64 `xml:"StartRadius,attr"`
|
|
EndPoint string `xml:"EndPoint,attr"`
|
|
EndRadius float64 `xml:"EndRadius,attr"`
|
|
Segment []ShdSegment `xml:"Segment"`
|
|
}
|
|
|
|
// ShdSegment 渐变分段
|
|
type ShdSegment struct {
|
|
Position float64 `xml:"Position,attr"`
|
|
Color ShdColor `xml:"Color"`
|
|
positionMissing bool
|
|
}
|
|
|
|
// ShdColor 渐变颜色
|
|
type ShdColor struct {
|
|
Value string `xml:"Value,attr"`
|
|
Index *int `xml:"Index,attr"`
|
|
ColorSpace string `xml:"ColorSpace,attr"`
|
|
Alpha *int `xml:"Alpha,attr"`
|
|
}
|
|
|
|
// ImageObject 图片对象
|
|
type ImageObject struct {
|
|
ID string `xml:"ID,attr"`
|
|
Boundary string `xml:"Boundary,attr"`
|
|
ResourceID string `xml:"ResourceID,attr"`
|
|
Substitution string `xml:"Substitution,attr"`
|
|
ImageMask string `xml:"ImageMask,attr"`
|
|
CTM string `xml:"CTM,attr"`
|
|
Alpha *int `xml:"Alpha,attr"`
|
|
Visible *bool `xml:"Visible,attr"`
|
|
Border *ImageBorder `xml:"Border"`
|
|
Clips *Clips `xml:"Clips"`
|
|
Actions []Action `xml:"Actions>Action"`
|
|
}
|
|
|
|
// ImageBorder 图像边框
|
|
type ImageBorder struct {
|
|
LineWidth *float64 `xml:"LineWidth,attr"`
|
|
HorizonalCornerRadius float64 `xml:"HorizonalCornerRadius,attr"`
|
|
VerticalCornerRadius float64 `xml:"VerticalCornerRadius,attr"`
|
|
DashOffset float64 `xml:"DashOffset,attr"`
|
|
DashPattern string `xml:"DashPattern,attr"`
|
|
BorderColor *StrokeColor `xml:"BorderColor"`
|
|
}
|
|
|
|
// UnmarshalXML 读取页面直接子节点，扩展内容不作为页面区域、资源或图层使用
|
|
// 入参: d XML解码器, start 起始节点
|
|
// 返回: error 解析错误
|
|
func (page *PageContent) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
|
if start.Name.Local != "Page" {
|
|
return fmt.Errorf("expected Page root, got %s", start.Name.Local)
|
|
}
|
|
*page = PageContent{XMLName: start.Name}
|
|
return decodeOFDChildren(d, start, func(d *xml.Decoder, node xml.StartElement) error {
|
|
switch node.Name.Local {
|
|
case "Area":
|
|
return d.DecodeElement(&page.Area, &node)
|
|
case "Template":
|
|
var template Template
|
|
if err := d.DecodeElement(&template, &node); err != nil {
|
|
return err
|
|
}
|
|
page.Template = append(page.Template, template)
|
|
case "PageRes":
|
|
var location string
|
|
if err := d.DecodeElement(&location, &node); err != nil {
|
|
return err
|
|
}
|
|
page.PageRes = append(page.PageRes, location)
|
|
case "Content":
|
|
return d.DecodeElement(&page.Content, &node)
|
|
case "Actions":
|
|
return decodeOFDActions(d, node, &page.Actions)
|
|
default:
|
|
return d.Skip()
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
// UnmarshalXML 读取页面图层，不将外部命名空间中的Layer作为图层
|
|
// 入参: d XML解码器, start 起始节点
|
|
// 返回: error 解析错误
|
|
func (content *Content) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
|
*content = Content{}
|
|
return decodeOFDChildren(d, start, func(d *xml.Decoder, node xml.StartElement) error {
|
|
if node.Name.Local != "Layer" {
|
|
return d.Skip()
|
|
}
|
|
var layer Layer
|
|
if err := d.DecodeElement(&layer, &node); err != nil {
|
|
return err
|
|
}
|
|
content.Layer = append(content.Layer, layer)
|
|
return nil
|
|
})
|
|
}
|