xiaoqidun/ofdgo
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feat(渲染编辑): 完善渲染编辑验签并优化性能
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xiaoqidun committed 2026-10-02 13:08:34 +08:00
1 parent 9c5ce1d66f
commit ac198f3351
56 files changed
+3029 -825
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ofdgo_pdf_group.go
+8 -4
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@@ -155,7 +155,7 @@ func (p *pdfImporter) groupPaths(mark pdfgo.GroupMark, walk func(pdfgo.Visitor)
if stroke {
color, overprint = path.Style.Stroke, path.Style.StrokeOverprint
}
if color.Tiling != nil || color.Axial != nil || color.Radial != nil || color.Mesh != nil || overprint && pdfOverprintNeedsSeparation(color) {
if color.Tiling != nil || color.Axial != nil || color.Radial != nil || color.Function != nil || color.Mesh != nil || overprint && pdfOverprintNeedsSeparation(color) {
return fmt.Errorf("%w: patterned or overprinted group content", errPDFGroupRaster)
}
if color.Alpha == 0 {
@@ -165,7 +165,7 @@ func (p *pdfImporter) groupPaths(mark pdfgo.GroupMark, walk func(pdfgo.Visitor)
if paint == nil {
paint, clips = &color, path.Style.Clips
} else if !reflect.DeepEqual(clips, path.Style.Clips) {
return &pdfgo.UnsupportedError{Feature: "independently clipped transparent group"}
return fmt.Errorf("%w: independently clipped group content", errPDFGroupRaster)
} else if color.Alpha != 1 || !reflect.DeepEqual(*paint, color) {
regions = append(regions, pdfPaintRegion{*paint, combined})
combined = nil
@@ -335,7 +335,10 @@ func (p *pdfImporter) compileGroup(build func(*pdfImporter) error) (*RasterPage,
if _, err := editor.AddPage(p.pageWidth, p.pageHeight); err != nil {
return nil, box, err
}
local := pdfImporter{ctx: p.ctx, reader: p.reader, editor: editor, renderer: p.renderer, matrix: p.matrix, pageBox: p.pageBox, pageWidth: p.pageWidth, pageHeight: p.pageHeight, rasterDPI: p.rasterDPI, warning: p.warning, rasterWarned: true, fontIDs: map[*pdfgo.Font]string{}, fontMetrics: map[string]FontMetrics{}}
if p.fonts == nil {
p.fonts = make(map[*pdfgo.Font]*pdfImportedFont)
}
local := pdfImporter{ctx: p.ctx, reader: p.reader, editor: editor, renderer: p.renderer, matrix: p.matrix, pageBox: p.pageBox, pageWidth: p.pageWidth, pageHeight: p.pageHeight, rasterDPI: p.rasterDPI, warning: p.warning, rasterWarned: true, fontIDs: map[*pdfgo.Font]string{}, fonts: p.fonts}
if err := build(&local); err != nil {
return nil, box, err
}
@@ -387,6 +390,7 @@ func (p *pdfImporter) compileGroup(build func(*pdfImporter) error) (*RasterPage,
// 返回: image.Image 透明图像, error 后端渲染错误
func (p *pdfImporter) renderGroupScene(source *RasterPage, box Box) (image.Image, error) {
scene := *source
scene.DPI = p.rasterDPI
scene.Commands = append([]RasterCommand(nil), source.Commands...)
scene.Width, scene.Height = box.W, box.H
for i := range scene.Commands {
@@ -567,7 +571,7 @@ func (p *pdfImporter) maskClip(mask *pdfgo.SoftMask) (pdfgo.Path, error) {
}
visitor.Path = func(mark pdfgo.PathMark) error {
paint := mark.Style.Fill
if !mark.Fill || mark.Stroke || paint.Alpha != 1 || paint.CMYK != nil || paint.Axial != nil || paint.Radial != nil || paint.Mesh != nil || paint.Tiling != nil || paint.Space != nil && paint.Space.Calibrated() || paint.RGB[0] != paint.RGB[1] || paint.RGB[1] != paint.RGB[2] || mark.Style.SoftMask != nil || !pdfNormalBlend(mark.Style.BlendMode) {
if !mark.Fill || mark.Stroke || paint.Alpha != 1 || paint.CMYK != nil || paint.Axial != nil || paint.Radial != nil || paint.Function != nil || paint.Mesh != nil || paint.Tiling != nil || paint.Space != nil && paint.Space.Calibrated() || paint.RGB[0] != paint.RGB[1] || paint.RGB[1] != paint.RGB[2] || mark.Style.SoftMask != nil || !pdfNormalBlend(mark.Style.BlendMode) {
return &pdfgo.UnsupportedError{Feature: "nonbinary mask graphic"}
}
visible, err := opacity(paint.RGB[0])