From c853ffb5b2f75f5a889ed2e3ef89b818a736e87a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 13:50:49 +0200 Subject: Adding upstream version 1.3+ds. Signed-off-by: Daniel Baumann --- src/display/README | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 src/display/README (limited to 'src/display/README') diff --git a/src/display/README b/src/display/README new file mode 100644 index 0000000..0482a4e --- /dev/null +++ b/src/display/README @@ -0,0 +1,26 @@ + + +This directory contains code for: rendering graphics on the canvas, +"picking" objects on the canvas based on closeness to cursor, directing +events (mouse button, key press, etc.) to the correct object. + +The code can be divided into two types: handling SVG elements +(DrawingItem and derived classes) and handling controlled items +(SPCanvasItem and derived structures/classes). + +Currently we rely on the "Cairo" graphics library for rendering. + +DrawingItem: + + Item belonging to the drawing. These are rendered via the + CanvasArena canvas item. + +CanvasItem: + + See README in control sub-directory. + +To do: + +* Split into three directories: drawing, control, common (partially done). +* Rename control directory to canvas directory. +* Remove SPCurve. -- cgit v1.2.3