Package gaphas :: Module painter

Module painter

The painter module provides different painters for parts of the canvas.

Painters can be swapped in and out.

Each painter takes are of a layer in the canvas (such as grid, items and handles).

Version: $Revision: 1715 $

Classes
	Painter Painter interface.
	PainterChain Chain up a set of painters.
	DrawContext Special context for draw()'ing the item.
	ItemPainter
	CairoBoundingBoxContext Delegate all calls to the wrapped CairoBoundingBoxContext, intercept stroke(), fill() and a few others so the bounding box of the item involved can be calculated.
	BoundingBoxPainter This specific case of an ItemPainter is used to calculate the bounding boxes (in canvas coordinates) for the items.
	HandlePainter Draw handles of items that are marked as selected in the view.
	ToolPainter ToolPainter allows the Tool defined on a view to do some special drawing.

Functions

DefaultPainter()
Default painter, containing item, handle and tool painters.

source code

Variables
	DEBUG_DRAW_BOUNDING_BOX = `False`
	TOLERANCE = `0.8`