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feat(强化兼容): 优化Pattern渲染

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xiaoqidun
2026-07-01 09:42:31 +08:00
parent b778ab9d90
commit 074706a72c
1 changed files with 4 additions and 4 deletions
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ofdgo_renderer.go
+4 -4
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@@ -657,7 +657,7 @@ func (r *Renderer) renderPath(ctx *canvas.Context, obj PathObject, pageH float64
fp.Close() fp.Close()
fp = fp.And(clipPath) fp = fp.And(clipPath)
} }
r.renderPattern(ctx, fillPattern, fillPatternColor, pageH, fp, ctm) r.renderPattern(ctx, fillPattern, fillPatternColor, pageH, fp, ctm, bx, by)
} else if shouldFill && fillPaint != nil { } else if shouldFill && fillPaint != nil {
ctx.SetFill(fillPaint) ctx.SetFill(fillPaint)
ctx.SetStrokeColor(canvas.Transparent) ctx.SetStrokeColor(canvas.Transparent)
@@ -706,8 +706,8 @@ func (r *Renderer) renderPath(ctx *canvas.Context, obj PathObject, pageH float64
} }
// renderPattern 渲染图案填充 // renderPattern 渲染图案填充
// 入参: ctx 画布上下文, pattern 图案对象, defaultColor 默认颜色, pageH 页面高度, clip 填充区域, parentCTM 父级CTM // 入参: ctx 画布上下文, pattern 图案对象, defaultColor 默认颜色, pageH 页面高度, clip 填充区域, parentCTM 父级CTM, bx 边界X坐标, by 边界Y坐标
func (r *Renderer) renderPattern(ctx *canvas.Context, pattern *Pattern, defaultColor color.Color, pageH float64, clip *canvas.Path, parentCTM Matrix) { func (r *Renderer) renderPattern(ctx *canvas.Context, pattern *Pattern, defaultColor color.Color, pageH float64, clip *canvas.Path, parentCTM Matrix, bx, by float64) {
if pattern == nil || clip == nil || len(pattern.CellContent.Objects) == 0 { if pattern == nil || clip == nil || len(pattern.CellContent.Objects) == 0 {
return return
} }
@@ -721,7 +721,7 @@ func (r *Renderer) renderPattern(ctx *canvas.Context, pattern *Pattern, defaultC
if xStep <= 0 || yStep <= 0 { if xStep <= 0 || yStep <= 0 {
return return
} }
patternCTM := parentCTM.Multiply(NewMatrix(pattern.CTM)) patternCTM := TranslationMatrix(bx, by).Multiply(parentCTM).Multiply(NewMatrix(pattern.CTM))
invCTM, ok := patternCTM.Invert() invCTM, ok := patternCTM.Invert()
if !ok { if !ok {
return return