xiaoqidun/ofdgo
1
0 Fork 0
mirror of https://github.com/xiaoqidun/ofdgo.git synced 2026-10-29 08:46:55 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

feat(转换渲染): 完善转换能力与图像渲染
build.yaml / build (push) Successful in 44s
Details

Browse Source
This commit is contained in:
xiaoqidun committed 2026-09-27 19:28:58 +08:00
1 parent 052e34a4e6
commit 1739303f5e
17 files changed
+658 -130
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

ofdgo_pdf_annot.go
+18 -4
View File
@@ -30,10 +30,13 @@ import (
)
// appearanceAnnotation 将PDF静态外观转换为对应类型的OFD注解
// 入参: ctx取消上下文, page PDF页面, annotation PDF注解
// 入参: ctx取消上下文, page PDF页面, annotation PDF注解, actions 外观区域的动作
// 返回: error 外观或转换错误
func (p *pdfImporter) appearanceAnnotation(ctx context.Context, page *pdfgo.Page, annotation pdfgo.Annotation) error {
for _, key := range []pdfgo.Name{"AA", "OC"} {
func (p *pdfImporter) appearanceAnnotation(ctx context.Context, page *pdfgo.Page, annotation pdfgo.Annotation, actions ...Action) error {
for _, key := range []pdfgo.Name{"AA", "OC", "A"} {
if key == "A" && (annotation.Subtype == "Link" || annotation.Subtype == "Movie") {
continue
}
if annotation.Dictionary[key] != nil {
return &pdfgo.UnsupportedError{Feature: fmt.Sprintf("annotation field %q", key)}
}
@@ -66,6 +69,7 @@ func (p *pdfImporter) appearanceAnnotation(ctx context.Context, page *pdfgo.Page
stamp.report = PDFImportReport{}
var darkenImages []pdfgo.ImageMark
visitor := pdfgo.Visitor{
Warning: p.warning,
Path: func(mark pdfgo.PathMark) error {
if mark.Style.BlendMode == "Darken" {
return &pdfgo.UnsupportedError{Feature: "darken stamp path"}
@@ -108,6 +112,15 @@ func (p *pdfImporter) appearanceAnnotation(ctx context.Context, page *pdfgo.Page
p.report.Warnings = append(p.report.Warnings, pdfgo.Diagnostic{Page: p.page + 1, Message: "PDF darken stamp appearance flattened over page content"})
}
converted := Annotation{Type: pdfAnnotationType(annotation.Subtype), Subtype: string(annotation.Subtype), Appearance: Appearance{Boundary: pdfBoundary(box), Objects: stamp.objects}}
if len(actions) != 0 {
region, err := NewShape(ShapeRectangle, Box{W: box.W, H: box.H})
if err != nil {
return err
}
no := false
region.Fill, region.Stroke, region.Actions = &no, &no, actions
converted.Appearance.Objects = append(converted.Appearance.Objects, GraphicObject{Type: "PathObject", PathObject: region})
}
if value, err := p.reader.Resolve(annotation.Dictionary["Contents"]); err != nil {
return err
} else if value != nil {
@@ -189,6 +202,7 @@ func (p *pdfImporter) appearanceAnnotation(ctx context.Context, page *pdfgo.Page
p.report.TextObjects += stamp.report.TextObjects
p.report.PathObjects += stamp.report.PathObjects
p.report.ImageObjects += stamp.report.ImageObjects
p.report.Warnings = append(p.report.Warnings, stamp.report.Warnings...)
if flags&64 != 0 {
p.report.Warnings = append(p.report.Warnings, pdfgo.Diagnostic{Page: p.page + 1, Message: "PDF annotation read-only flag not transferred"})
}
@@ -206,7 +220,7 @@ func pdfAnnotationType(subtype pdfgo.Name) string {
return "Watermark"
case "Highlight", "Underline", "Squiggly", "StrikeOut":
return "Highlight"
case "Text", "FreeText", "Line", "Square", "Circle", "Polygon", "PolyLine", "Caret", "Ink":
case "Text", "FreeText", "Line", "Square", "Circle", "Polygon", "PolyLine", "Caret", "Ink", "FileAttachment", "Sound", "Movie", "Screen", "Link":
return "Path"
}
return ""