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feat(转换能力): 修复蒙版转换并优化性能
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xiaoqidun committed 2026-09-30 18:44:16 +08:00
1 parent 59a2c4d8fe
commit 91aa711dfc
4 files changed
+19 -8
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ofdgo_pdf_composite.go
+9 -4
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@@ -119,13 +119,18 @@ func (c *pdfCompositor) coverage(node pdfCompositeNode, stroke bool) (image.Imag
func (p *pdfImporter) compositeTextBounds(mark pdfgo.TextMark, stroke bool) Box {
b := mark.Font.BoundingBox
matrix := p.matrix.Mul(mark.Matrix)
var points []pdfgo.Point
minX, minY, maxX, maxY := math.Inf(1), math.Inf(1), math.Inf(-1), math.Inf(-1)
for _, origin := range mark.Positions {
for _, point := range []pdfgo.Point{{X: b.XMin, Y: b.YMin}, {X: b.XMax, Y: b.YMin}, {X: b.XMax, Y: b.YMax}, {X: b.XMin, Y: b.YMax}} {
points = append(points, matrix.Apply(pdfgo.Point{X: origin.X + point.X*mark.Size*mark.HorizontalScale/1000, Y: origin.Y + point.Y*mark.Size/1000}))
for _, point := range [4]pdfgo.Point{{X: b.XMin, Y: b.YMin}, {X: b.XMax, Y: b.YMin}, {X: b.XMax, Y: b.YMax}, {X: b.XMin, Y: b.YMax}} {
point = matrix.Apply(pdfgo.Point{X: origin.X + point.X*mark.Size*mark.HorizontalScale/1000, Y: origin.Y + point.Y*mark.Size/1000})
minX, minY = math.Min(minX, point.X), math.Min(minY, point.Y)
maxX, maxY = math.Max(maxX, point.X), math.Max(maxY, point.Y)
}
}
box := pdfBounds(points)
box := Box{}
if len(mark.Positions) != 0 {
box = Box{X: minX, Y: minY, W: maxX - minX, H: maxY - minY}
}
marginX, marginY := 25.4/p.rasterDPI, 25.4/p.rasterDPI
if stroke {
m := mark.StrokeMatrix