xiaoqidun/ofdgo
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feat(渲染能力): 支持椭圆渐变，修正虚线长度及短线显示
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xiaoqidun committed 2026-09-09 13:54:34 +08:00
1 parent f27c5b666e
commit 3cd6cb3afd
10 files changed
+136 -111
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ofdgo_renderer_text.go
+9 -6
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@@ -89,10 +89,11 @@ func (r *Renderer) renderText(ctx *canvas.Context, obj TextObject, pageH float64
if fillPaint == nil {
fillPaint = fillColor
}
fillPaint, shadingClip := resolveShdPaint(ctx, fillPaint)
fillPaint, shadingClip, fillView := resolveShdPaint(ctx, fillPaint)
fillClip := intersectClipPath(clipPath, shadingClip)
strokeStyle := newPathStyle(nil, defaultStroke, 0, obj.Alpha)
strokeClip := clipPath
strokeView := canvas.Identity
if shouldStroke {
if dp != nil {
strokeStyle.applyDrawParam(dp, bx, by, pageH, obj.Alpha)
@@ -107,7 +108,7 @@ func (r *Renderer) renderText(ctx *canvas.Context, obj TextObject, pageH float64
strokeStyle.strokePaint = colorWithAlpha(canvas.Black, obj.Alpha)
}
strokeStyle.scale(ctm)
strokeStyle.strokePaint, shadingClip = resolveShdPaint(ctx, strokeStyle.strokePaint)
strokeStyle.strokePaint, shadingClip, strokeView = resolveShdPaint(ctx, strokeStyle.strokePaint)
strokeClip = intersectClipPath(strokeClip, shadingClip)
}
fontStyle := canvas.FontRegular
@@ -240,7 +241,7 @@ func (r *Renderer) renderText(ctx *canvas.Context, obj TextObject, pageH float64
if shouldFill && fillPaint != nil {
ctx.SetFill(fillPaint)
ctx.SetStrokeColor(canvas.Transparent)
ctx.DrawPath(0, 0, applyClipPath(path.Copy(), fillClip))
drawShdPath(ctx, applyClipPath(path.Copy(), fillClip), fillView)
}
if len(strokeStyle.dashPattern) > 0 {
path = path.Dash(strokeStyle.dashOffset, strokeStyle.dashPattern...)
@@ -248,7 +249,7 @@ func (r *Renderer) renderText(ctx *canvas.Context, obj TextObject, pageH float64
path = path.Stroke(strokeStyle.lineWidth, strokeStyle.lineCap, strokeStyle.lineJoin, canvas.Tolerance)
ctx.SetFill(strokeStyle.strokePaint)
ctx.SetStrokeColor(canvas.Transparent)
ctx.DrawPath(0, 0, applyClipPath(path, strokeClip))
drawShdPath(ctx, applyClipPath(path, strokeClip), strokeView)
if hasUnderline {
underline := &canvas.Path{}
underline.MoveTo(0, -sizeMM*0.1)
@@ -256,8 +257,10 @@ func (r *Renderer) renderText(ctx *canvas.Context, obj TextObject, pageH float64
underline = underline.Stroke(sizeMM*0.05, canvas.ButtCap, canvas.MiterJoin, canvas.Tolerance)
if shouldFill {
ctx.SetFillColor(fillColor)
ctx.DrawPath(0, 0, applyClipPath(underline.Transform(transform), clipPath))
} else {
drawShdPath(ctx, applyClipPath(underline.Transform(transform), strokeClip), strokeView)
}
ctx.DrawPath(0, 0, applyClipPath(underline.Transform(transform), clipPath))
}
continue
}
@@ -274,7 +277,7 @@ func (r *Renderer) renderText(ctx *canvas.Context, obj TextObject, pageH float64
textTransform = textTransform.Mul(glyphMatrix)
}
glyphPath = applyClipPath(glyphPath.Copy().Transform(textTransform.Scale(scaleX, 1)), fillClip)
ctx.DrawPath(0, 0, glyphPath)
drawShdPath(ctx, glyphPath, fillView)
if hasUnderline {
uw := sizeMM * 0.05
off := sizeMM * 0.1