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feat(渐变合成): 完善渐变透明合成
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xiaoqidun committed 2026-10-05 17:11:55 +08:00
1 parent 6c14eef1ee
commit 09a49b2c26
10 files changed
+282 -25
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ofdgo_pdf_group.go
+2 -2
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@@ -168,7 +168,7 @@ 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.Function != nil || color.Mesh != nil || overprint && pdfOverprintNeedsSeparation(color) {
if color.Tiling != nil || color.Shading != 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 {
@@ -615,7 +615,7 @@ func (p *pdfImporter) maskClip(mask *pdfgo.SoftMask) (pdfgo.Path, error) {
return err
}
paint := mark.Style.Fill
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) {
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.Shading != 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])