diff options
| -rw-r--r-- | drawing.lua | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/drawing.lua b/drawing.lua index 9011d86..9bf06c7 100644 --- a/drawing.lua +++ b/drawing.lua @@ -468,11 +468,6 @@ function Drawing.keychord_pressed(chord) drawing.pending.center = drawing.pending.vertices[1] end drawing.pending.mode = 'circle' - elseif chord == 'C-s' and not App.mouse_down(1) then - local drawing,_,shape = Drawing.select_shape_at_mouse() - if drawing then - smoothen(shape) - end elseif chord == 'C-u' and not App.mouse_down(1) then local drawing_index,drawing,_,p = Drawing.select_point_at_mouse() if drawing then @@ -653,46 +648,6 @@ function Drawing.contains_point(shape, p) end end -function Drawing.convert_line(drawing, shape) - -- Perhaps we should do a more sophisticated "simple linear regression" - -- here: - -- https://en.wikipedia.org/wiki/Linear_regression#Simple_and_multiple_linear_regression - -- But this works well enough for close-to-linear strokes. - assert(shape.mode == 'freehand') - shape.mode = 'line' - shape.p1 = insert_point(drawing.points, shape.points[1].x, shape.points[1].y) - local n = #shape.points - shape.p2 = insert_point(drawing.points, shape.points[n].x, shape.points[n].y) -end - --- turn a line either horizontal or vertical -function Drawing.convert_horvert(drawing, shape) - if shape.mode == 'freehand' then - Drawing.convert_line(shape) - end - assert(shape.mode == 'line') - local p1 = drawing.points[shape.p1] - local p2 = drawing.points[shape.p2] - if math.abs(p1.x-p2.x) > math.abs(p1.y-p2.y) then - p2.y = p1.y - else - p2.x = p1.x - end -end - -function Drawing.smoothen(shape) - assert(shape.mode == 'freehand') - for _=1,7 do - for i=2,#shape.points-1 do - local a = shape.points[i-1] - local b = shape.points[i] - local c = shape.points[i+1] - b.x = (a.x + b.x + c.x)/3 - b.y = (a.y + b.y + c.y)/3 - end - end -end - function Drawing.insert_point(points, x,y) for i,point in ipairs(points) do if Drawing.near(point, x,y) then |