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@@ -108,6 +108,7 @@ type Session struct {
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pageCache map[int]*ofdgo.PageContent
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boxCache map[int]ofdgo.Box
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textCache map[int]*ofdgo.PageText
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svgFonts map[string][]byte
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signatures []SignatureInfo
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signatureError error
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signaturesRead bool
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@@ -165,6 +166,7 @@ type PageSVG struct {
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Height float64 `json:"height"`
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SVG string `json:"svg"`
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Links []ofdgo.PageLink `json:"-"`
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Fonts []ofdgo.SVGFont `json:"-"`
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}
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// ExportFormat 导出格式
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@@ -241,6 +243,7 @@ func Open(data []byte, opts OpenOptions) (*Session, error) {
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pageCache: make(map[int]*ofdgo.PageContent),
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boxCache: make(map[int]ofdgo.Box),
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textCache: make(map[int]*ofdgo.PageText),
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svgFonts: make(map[string][]byte),
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}, nil
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}
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@@ -267,6 +270,7 @@ func (s *Session) SetFonts(fonts []FontFile) error {
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s.Renderer.SetFontFS()
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}
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clear(s.textCache)
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clear(s.svgFonts)
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return nil
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}
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@@ -415,14 +419,30 @@ func (s *Session) RenderPageSVG(index int) (PageSVG, error) {
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return PageSVG{}, err
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}
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var buf bytes.Buffer
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if err := s.Renderer.RenderToSVG(page, &buf); err != nil {
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fonts, err := s.Renderer.RenderToSVGWithFonts(page, &buf)
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if err != nil {
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return PageSVG{}, err
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}
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links, err := s.Renderer.PageLinks(page)
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if err != nil {
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return PageSVG{}, err
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}
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return PageSVG{Index: index, Number: index + 1, ID: pageRef.ID, Width: box.W, Height: box.H, SVG: buf.String(), Links: links}, nil
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for i, font := range fonts {
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s.svgFonts[font.Name] = font.Data
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fonts[i].Data = nil
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}
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return PageSVG{Index: index, Number: index + 1, ID: pageRef.ID, Width: box.W, Height: box.H, SVG: buf.String(), Links: links, Fonts: fonts}, nil
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}
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// SVGFontData 获取已渲染页面引用的字体数据
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// 入参: name 字体资源标识
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// 返回: []byte 字体数据, error 错误信息
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func (s *Session) SVGFontData(name string) ([]byte, error) {
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data, ok := s.svgFonts[name]
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if !ok {
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return nil, fmt.Errorf("svg font not found: %s", name)
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}
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return data, nil
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}
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// ExportPage 导出单页
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