layout

type BoxFragment struct {
	Source             *boxes.Box
	Path               []int
	PageNumber         int
	FragmentainerIndex int
	FragmentIndex      int
	FragmentCount      int
	IsFirst            bool
	IsLast             bool
	Repeated           bool
	PaintIndex         int
	Bounds             FragmentBounds
}

type ClipRect struct {
	X, Y, Width, Height float64
}

type FragmentBounds struct {
	X, Y, Width, Height float64
}

type FragmentNode struct {
	Fragment        BoxFragment
	Placed          PlacedBox
	Kind            FragmentNodeKind
	Parent          *FragmentNode // concrete instance of the parent fragment on this page
	OwnerPaintIndex int           // page block whose paint operation emits this decoration
	DecorationIndex int           // order inside the owning page block's decoration sequence
	Children        []*FragmentNode
	// contains filtered or unexported fields
}

type FragmentNodeKind string

type InlineBoxDecoration struct {
	Box              PlacedBox
	OffsetX, OffsetY float64
}

type OpacityGroup struct {
	ID      int
	Opacity float64
}

type Options struct {
	PageWidth, PageHeight float64
	PageBackground        [4]float64
	HasPageBackground     bool
	PageRotation          int
	PageBleed             float64
	PageMarks             css.PageMarks
	PageRules             []css.PageRule

	Margin      float64 // equal on all four sides (v0.3)
	PageMargins css.PageMargins

	FontSize     float64 // pt
	LineHeight   float64 // Global override; 0 uses the font's normal value.
	Measure      func(text string, fontSize float64) float64
	MeasureBold  func(text string, fontSize float64) float64 // nil = Measure
	Faces        map[string]*fonts.Face                      // @font-face registry (nil = Helvetica only)
	FontVariants map[string]fonts.Variants
	// contains filtered or unexported fields
}

type Page struct {
	Number       int
	Geometry     PageGeometry
	Blocks       []PlacedBox
	Fragments    []BoxFragment
	FragmentTree []*FragmentNode
	// contains filtered or unexported fields
}

type PageGeometry struct {
	Width, Height float64
	Margins       css.PageMargins
	Background    [4]float64
	HasBackground bool
	Rotation      int
	Bleed         float64
	Marks         css.PageMarks
}

type PlacedBox struct {
	FragmentainerIndex             int // 0 is page flow; columns start at 1.
	Text                           string
	Image                          *images.Raster // resolved <img> content
	SVG                            *svg.Document  // SVG inline
	HasBg                          bool
	CollapsedTableCell             bool       // Borders are centered on collapsed table-grid edges.
	CollapsedBorderPaintSuppressed [4]bool    // top, right, bottom, left
	TablePaintGroup                *boxes.Box // Source table whose cell paint is composed in phases.
	Bg                             [4]float64
	BorderWidth                    float64
	BorderCornerRadii              [4]boxes.CornerRadius
	Border                         [4]float64
	BorderTop, BorderRight         boxes.BorderSide
	BorderBottom, BorderLeft       boxes.BorderSide
	FontSize                       float64 // resolved (Options default when the box does not set one)
	HasColor                       bool
	Color                          [4]float64
	Link                           string
	Align                          string // left | center | right | justify
	PadLeft                        float64
	PadRight                       float64
	Font                           *fonts.Face // nil = Helvetica base-14
	Bold                           bool
	Italic                         bool
	Underline                      bool
	Strike                         bool
	Opacity                        float64
	HasOpacity                     bool
	OpacityGroups                  []OpacityGroup
	TablePaintUnderlays            []TablePaintLayer
	TablePaintOverlays             []TablePaintLayer
	ClipRects                      []ClipRect
	LetterSpacing                  float64
	Runs                           [][]TextRun // Inline runs per line; nil outside normal flow.
	X, Y                           float64
	Width                          float64
	Height                         float64
	// contains filtered or unexported fields
}

type TablePaintEdges uint8

type TablePaintLayer struct {
	Source *boxes.Box
	Bounds FragmentBounds
	Edges  TablePaintEdges
}

type TextRun struct {
	Text                            string
	Shaped                          fonts.ShapedText
	Image                           *images.Raster
	ImageHeight                     float64
	SVG                             *svg.Document
	SVGHeight                       float64
	X, Y                            float64 // Absolute X; Y is the line top.
	BaselineOffset                  float64 // Distance from Y to the baseline.
	Width                           float64
	LineH                           float64 // Height of the line.
	FontSize                        float64
	Bold, Italic, Underline, Strike bool
	HasColor                        bool
	Color                           [4]float64
	Link                            string
	Font                            *fonts.Face
	LetterSpacing                   float64
	Alpha                           float64 // effective alpha (color multiplied by opacity)
	GroupOpacity                    bool    // opacity comes from the composited block
	ListMarkerShape                 string
	LineY                           float64
	InlineDecorations               []InlineBoxDecoration
	// contains filtered or unexported fields
}