render

package

v0.0.8 Latest Latest Go to latest Published: Sep 8, 2026 License: Unlicense Imports: 23 Imported by: 0

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type CTColor struct {
	Value    *color.RGBA
	Gradient canvas.Gradient
}

type Document struct {
	*parser.Document
	// contains filtered or unexported fields
}

func NewDocument(background color.Color, doc *parser.Document) *Document

func (p *Document) Annot(ctx *canvas.Context, annot *models.Annot, pb models.StBox)

func (p *Document) Composite(ctx *canvas.Context, object models.CompositeObject, dp *models.DrawParam, pb models.StBox)

Composite 绘制复合图元（CompositeObject）。

CompositeGraphicUnit 的内容位于自身的 [0,Width]x[0,Height] 坐标系中，先渲染完整单元，再使用 CompositeObject 的 Boundary 和 CTM 映射到页面，保留单元内部坐标，不根据透明像素重新裁剪内容。

func (p *Document) Draw(ctx *canvas.Context, page *parser.Page) error

func (p *Document) Image(ctx *canvas.Context, object models.ImageObject, dp *models.DrawParam, pb models.StBox)

func (p *Document) Layer(ctx *canvas.Context, layer *models.Layer, pb models.StBox)

func (p *Document) Page(page *parser.Page) (*canvas.Canvas, error)

func (p *Document) PageContent(ctx *canvas.Context, page *parser.Page, seal bool)

func (p *Document) Path(ctx *canvas.Context, object models.PathObject, dp *models.DrawParam, pb models.StBox)

func (p *Document) Seal(ctx *canvas.Context, info *parser.SealInfo, pb models.StBox) error

func (p *Document) Template(ctx *canvas.Context, template models.Template, pb models.StBox)

func (p *Document) Text(ctx *canvas.Context, object models.TextObject, dp *models.DrawParam, pb models.StBox)

type Fonts struct {
	*parser.Document
	Fonts map[models.StRefID]*canvas.FontFamily
}

func NewFonts(doc *parser.Document) *Fonts

func (p *Fonts) LoadFont(id models.StRefID) (*canvas.FontFamily, error)