GridPaper class

A widget that draws a rectilinear grid of lines. The grid is drawn over the child widget.

Inheritance

Constructors

GridPaper({PdfColor color = lineColor, double interval = 100, int divisions = 5, int subdivisions = 2, Widget? child})
Creates a widget that draws a rectilinear grid lines.
GridPaper.collegeRuled({EdgeInsetsGeometry margin = const EdgeInsets.only(top: 1 * PdfPageFormat.inch, bottom: 0.6 * PdfPageFormat.inch, left: 1.25 * PdfPageFormat.inch, right: 0), Widget? child})
GridPaper.engineering({PdfColor color = lineColor, Widget? child})
GridPaper.millimeter({PdfColor color = lineColor, Widget? child})
GridPaper.quad({PdfColor color = lineColor, Widget? child})
GridPaper.seyes({EdgeInsetsGeometry margin = const EdgeInsets.only(top: 20 * PdfPageFormat.mm, bottom: 10 * PdfPageFormat.mm, left: 36 * PdfPageFormat.mm, right: 0), Widget? child})

Properties

border → BoxBorder
final
box ↔ PdfRect?
The bounding box of this widget, calculated at layout time
getter/setter pairinherited
canSpan → bool
no setterinherited
child → Widget?
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
hasMoreWidgets → bool
no setterinherited
horizontalColor → PdfColor
The color to draw the horizontal lines in the grid.
final
horizontalDivisions → int
The number of major horizontal divisions within each primary grid cell.
final
horizontalInterval → double
The distance between the primary horizontal lines in the grid, in logical pixels.
final
horizontalOffset → int
final
horizontalSubdivisions → int
The number of minor horizontal divisions within each major division, including the major division itself.
final
margin → EdgeInsetsGeometry
The margin to apply to the horizontal and vertical lines
final
opacity → double
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scale → double
final
verticalColor → PdfColor
The color to draw the vertical lines in the grid.
final
verticalDivisions → int
The number of major vertical divisions within each primary grid cell.
final
verticalInterval → double
The distance between the primary vertical lines in the grid, in logical pixels.
final
verticalOffset → int
final
verticalSubdivisions → int
The number of minor vertical divisions within each major division, including the major division itself.
final

Methods

applyContext(covariant WidgetContext context) → void
Called before relayout to restore the saved state and restart the layout in the same conditions
inherited
cloneContext() → WidgetContext
Called after layout to save the state
inherited
debugPaint(Context context) → void
inherited
layout(Context context, BoxConstraints constraints, {bool parentUsesSize = false}) → void
First widget pass to calculate the children layout and bounding box
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
paint(Context context) → void
Draw itself and its children, according to the calculated box.offset
override
paintChild(Context context) → void
inherited
restoreContext(covariant WidgetContext context) → void
Apply the context for next page layout. Called before layout to prepare for next page
inherited
saveContext() → WidgetContext
Get unmodified mutable context object
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Constants

lineColor → const PdfColor