GridPaper class
A widget that draws a rectilinear grid of lines. The grid is drawn over the child widget.
- Inheritance
-
- Object
- Widget
- SingleChildWidget
- GridPaper
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