dead code

[?]

Jun 15, 2022, 6:11 PM

VTYCPKNHTRN42MQ6IRGZDU6YLYXCPTUSUWVMMBOE7YC2H3UGK7EQC

Dependencies

[2] DRFE3B3Z mouse buttons are integers, not strings
[3] XNFTJHC4 split keyboard handling between Text and Drawing
[4] NVSWVPW5 move
[5] H4K2GFIL experiment: give up on changing shape mode
[6] 2WGRQI5E missing shape modes in a couple more places
[7] VFJEVPPO bugfix: function names
[8] VHQCNMAR several more modules
[9] 6UZ2JNZE yet another key conflict
[10] JAXPXLEB set current_drawing_index with current_drawing
[11] JFFUF5AL override mouse state lookups in tests
[12] LAW2O3NW extract variable Margin_left
[*] BLWAYPKV extract a module

Change contents

edit in drawing.lua at line 471

[3.9740]→[2.2554:2609](∅→∅),[2.2609]→[3.9926:10036](∅→∅),[3.3781]→[3.9926:10036](∅→∅),[3.9926]→[3.9926:10036](∅→∅)

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
edit in drawing.lua at line 651

[3.21510]→[3.21510:22172](∅→∅),[3.22172]→[3.102:134](∅→∅),[3.134]→[3.22196:22708](∅→∅),[3.22196]→[3.22196:22708](∅→∅)

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