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drawing.red
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Red [
Author: "Toomas Vooglaid"
Last-version: 2019-02-15
File: %drawing.red
Needs: 'View
Licence: "MIT"
]
system/view/auto-sync?: off
system/state/trace: 20
clear-reactions
ctx: context [
env: self
step: 0
last-step: 0
last-mode: none
start?: true
figure: none;'line
figures*: #()
primary: #()
secondary: #()
layers*: 1
template: object [
line: does [make deep-reactor! [
source: copy/part next selection-start selection-end
point: find/tail source 'line
length: is [sqrt add point/2/x - point/1/x ** 2 point/2/y - point/1/y ** 2]
angle: is [180 / pi * arctangent2/radians point/2/y - point/1/y point/2/x - point/1/x]
center: is [as-pair point/1/x + point/2/x / 2 point/1/y + point/2/y / 2]
;on-deep-change*: func [owner word target action new index part][probe reduce [owner word target action new index part]]
]]
;polyline: make deep-reactor! [
; source: copy []
; ;length: is
;]
;box: object [points: make block! 2]
]
obj: #()
make-obj: func [figure][
obj/:figure:
]
figure-prop: #(
line: [copy _points [pair! some pair!]]
box: [set _top-left pair! set _bottom-right pair!] ; add corner
circle: [set _center pair! set _radius [integer! | float!]]
polygon: [copy _points [pair! pair! some pair!]]
ellipse: [set _top-left pair! set _dimensions pair!]
arc: [set _center pair! set _radius pair! set _begin integer! set _sweep integer! opt 'closed]
text: [set _position pair! string!]
image: [[image! | word!] set _top-left pair! opt [set _bottom-right pair!]]
)
figure-move-points: #(
line: [all]
box: [2 3]
circle: [2]
ellipse: [2]
polygon: [all]
arc: [2]
text: [2]
image: [3 4]
curve: [all]
spline: [all]
)
figure-points: [
line: [keep some pair!]
box: [keep [pair! pair!]]
circle: [keep pair!]
ellipse: [keep pair!]
polygon: [keep some pair!]
arc: [keep pair!]
text: [keep pair!]
image: [[image! | word!] keep pair! opt [keep pair!]]
curve: [keep some pair!]
spline: [keep some pair!]
]
flatten: function [block [any-block!] /with out /local b][
out: any [out clear []]
foreach b block [either any-block? b [flatten/with b out][append out b]]
out
]
color-word: [
'Red | 'white | 'transparent | 'black | 'gray | 'aqua | 'beige | 'blue
| 'brick | 'brown | 'coal | 'coffee | 'crimson | 'cyan | 'forest | 'gold
| 'green | 'ivory | 'khaki | 'leaf | 'linen | 'magenta | 'maroon | 'mint
| 'navy | 'oldrab | 'olive | 'orange | 'papaya | 'pewter | 'pink | 'purple
| 'reblue | 'rebolor | 'sienna | 'silver | 'sky | 'snow | 'tanned | 'teal
| 'violet | 'water | 'wheat | 'yello | 'yellow | 'glass
]
system/words/transparent: 255.255.255.254 ; ????
colors: exclude sort extract load help-string tuple! 2 [glass]
; DideC -->
pallette: [
title "Select color" origin 1x1 space 1x1
style clr: base 15x15 on-down [dn?: true] on-up [
if dn? [
either event/shift? [
append env/color-bag face/extra
][
env/color: either empty? env/color-bag [
face/extra
][
append env/color-bag face/extra
]
unview
]
]
]
]
x: 0
color: none
color-bag: copy []
dn?: none
make-pallette: has [j][
clear color-bag
foreach j colors [
append pallette compose/deep [
clr (j) extra (to-lit-word j)
]
if (x: x + 1) % 9 = 0 [append pallette 'return]
]
]
; <-- DideC
make-pallette
color: black
select-color: does [clear color-bag view/flags pallette [modal popup]]
; --> new color-picker
make-color: func [i][
sector: (to-integer i - 1 / 64) + 1
switch sector [
1 [as-rgba 255 0 i - 1 * 4 0]
2 [as-rgba 255 - (i - 1 % 64 * 4) 0 255 0]
3 [as-rgba 0 i - 1 % 64 * 4 255 0]
4 [as-rgba 0 255 255 - (i - 1 % 64 * 4) 0]
5 [as-rgba i - 1 % 64 * 4 255 0 0]
6 [as-rgba 255 255 - (i - 1 % 64 * 4) 0 0]
]
]
drw: copy [rotate -30 150x150 pen off ]
collect/into [
repeat i 6 * 64 [
keep reduce [
'rotate i - 1 * 0.9375 150x150
compose [
fill-pen (make-color i)
arc 150x150 128x128 0 1 closed
]
]
]
] drw
append drw [
fill-pen radial 0.0.0.0 0.0.0.255 150x150 128
circle 150x150 128
]
alpha-val: 0
grey-val: 0
last-color: copy "pick a color"
sz: 300x300
palette2: make image! sz
draw palette2 drw
dn?: false
request-color: has [colors value alpha grey disc disc2 found clr dn?][
colors: copy []
view/flags compose/deep [
value: text data [last-color]
text 30x24 "alpha:"
alpha: slider with [data: env/alpha-val]
react later [
found: disc2/draw
while [found: find next found block!][
found/1/2/4: to integer! alpha/data * 255
]
show disc2
]
return
grey: slider 24x300 with [data: env/grey-val]
on-up [
;palette2: make image! sz
draw palette2 disc2/draw
disc/image: palette2
]
react later [
change/part at tail disc2/draw -7 reduce [
as-rgba v: to integer! grey/data * 255 v v 0
as-rgba v v v 255
] 2
show disc2
]
disc: image palette2
at 44x44 disc2: box white 300x300 all-over
on-over [
clr: pick palette2 event/offset
attempt [clr/4: to integer! alpha/data * 255]
value/text: form clr
]
on-down [dn?: true]
on-up [
if dn? [
clr: pick palette2 event/offset
clr/4: to integer! alpha/data * 255
either event/shift? [
append colors clr
][
env/color: either empty? colors [
clr
][
append colors clr
]
env/alpha-val: alpha/data
env/grey-val: grey/data
env/last-color: form clr
unview
]
]
]
draw [(drw)]
][modal popup]
]
; <-- new color-picker
comment {
sz: 150x150
grad-palette: make image! sz
draw grad-palette compose [
pen off
fill-pen linear red orange yellow green aqua blue purple
box 0x0 (sz)
fill-pen linear white glass black 0x0 (as-pair 0 sz/y)
box 0x0 (sz)
]
request-color: has [dn? sz colors][; Adapted from @greggirwin's %red-paint-with-time-travel.red
colors: copy []
view/flags [
title "Select color"
image grad-palette on-down [dn?: true] on-up [
if dn? [
either event/shift? [
append colors pick grad-palette event/offset
][
env/color: either empty? colors [
pick grad-palette event/offset
][
append colors pick grad-palette event/offset
]
unview
]
]
]
][modal popup]
]
}
skip-colors: 0
set-gradient: func [pen type pos1][
either block? env/color [
skip-colors: length? env/color
either selection-start/2 = 'push [
either found-format: find/last/tail selection-start/3 pen [;find-deep selection-start/3 type [
switch step [
1 [
parse found-format [s: [
if (any [find color-word s/1 tuple? s/1]) skip e:
| thru ['pad | 'repeat | 'reflect] e: ; | 'tile | 'flip-x | 'flip-y | 'flip-xy | 'clamp] e:
] (
change/part s append insert env/color type reduce switch type [
linear [[pos1 pos1 'pad]]
radial [[pos1 0 pos1 'pad]]
diamond [[pos1 pos1 pos1 'pad]]
] e
)]
skip-colors: skip-colors + 4
]
2 [
found-format: find found-format pair!
change/part found-format reduce switch type [
linear [[pos1 pos1]]
radial [[pos1 0 pos1]]
diamond [[pos1 pos1 pos1]]
] pick [2 3] type = 'linear
skip-colors: 1 + index? found-format
]
]
][
insert selection-start/3 append append reduce [pen type] env/color reduce switch type [
linear [[pos1 pos1 'pad]]
radial [[pos1 0 pos1 'pad]]
diamond [[pos1 pos1 pos1 'pad]]
]
skip-colors: skip-colors + 4
]
][
change/part next selection-start
append/only copy [push]
append append append reduce [pen type] env/color reduce switch type [
linear [[pos1 pos1 'pad]]
radial [[pos1 0 pos1 'pad]]
diamond [[pos1 pos1 pos1 'pad]]
]
copy/part next selection-start selection-end
selection-end
skip-colors: skip-colors + 4
]
env/step: 2
][probe "Use shift while gathering at least two colors! Select last color w/o shift."]
]
result: none
long-text: function [title-text][
view/flags/options [
title title-text
below
result: area 300x100 focus
return
button "OK" [result: result/text unview]
button "Cancel" [result: copy "" unview]
][modal popup resize][
actors: object [
on-resizing: func [f e][
result/size: f/size - 92x20
foreach-face/with f [
face/offset/x: f/size/x - face/size/x - 10
][face/type = 'button]
show result
]
]
]
either string? result [result][copy ""]
]
write-program: does [long-text "Program figure"]
ask-long-text: does [long-text "Enter text"]
short-text: function [title-text /htext hint-text][
view/flags [
title title-text
result: field 100 focus hint hint-text
on-enter [result: result/text unview]
button "OK" [result: result/text unview]
][modal popup]
result
]
ask-new-name: does [short-text/htext "Enter new name" "New name"]
ask-text: does [short-text/htext "Enter text" "Enter text"]
show-warning: func [msg][view/flags compose [title "Warning!" text (msg) button "OK" [unview]][modal popup]]
load-file: has [result][
view/flags [
title "Enter location of file"
result: field 150x20 hint "File location"
button "Local file.." [
result/text: to-red-file request-file
show result
]
return
button "OK" [
result: either url? result/data [
load result/data
][
result/data
]
unview
]
button "Cancel" [
result: none
unview
]
][modal popup]
result
]
_ws: charset " ^-^/"
_letter: charset [#"a" - #"z" #"A" - #"Z" #"_"]
_symbol: union _letter charset [#"-" #"'" #"0" - #"9"]
set-word: [_letter some _symbol #":"]
show-draw: does [
view/options/flags compose [
title "Edit draw"
below
result: area 300x200 focus (mold canvas/draw)
return
button "Show" [canvas/draw: load result/text select-figure show canvas] ;new-line/all false
button "Order" [
parse result/text [some [remove newline | skip]]
parse result/text [some [ws s: set-word (insert s newline) | skip]]
]
button "Close" [unview]
][
offset: win/offset + 600x0
actors: object [
on-resizing: func [face event][
result/size: result/parent/size - 90x20
result/parent/pane/2/offset/x: result/offset/x + result/size/x + 10
result/parent/pane/3/offset/x: result/offset/x + result/size/x + 10
result/parent/pane/4/offset/x: result/offset/x + result/size/x + 10
show result/parent
]
]
][resize]
]
show-console: does [write-clipboard mold append/only copy [view] append/only compose [box white (canvas/size) draw] canvas/draw]
action: 'draw
last-action: none
canvas: none
layers: figs: figs1: group: subgroup: subgroup2: none
sep1: sep2: sep3: sep4: none
select-layer: func [/pos selected][
selected: any [selected layers/selected]
if selected [
canvas: get to-word pick layers/data layers/selected
figs/data: canvas/extra/figs
select-figure
show [drawing-panel figs-panel]
]
]
selection-start: none
selection-end: none
selected-figure: none
select-figure: func [/pos selected /draw][; returns new `selected` for figs while deleting
either empty? figs/data [
selection-start: tail canvas/draw
selection-end: tail canvas/draw
][
selected: any [selected figs/selected]
if selected [
selected-figure/text: pick figs/data selected
show selected-figure
selection-start: find-figure selected
either selected = length? figs/data [
selection-end: length? selection-start
either 1 < selected [selected - 1][none] ;??? Check it!
][
selection-end: find next selection-start load pick figs/data selected + 1
selected
]
]
figure: secondary/(selected-figure/text)
;current-drawing/text: figure recalc-info
if select-fig/data [show-selected/sel]
if edit/data [either draw [][edit-selection/new]]
]
]
load-figure: func [fig][load pick figs/data fig]; Can be word! or block! (in case it is `pen`, `fill-pen` or `line-width`)
find-figure: func [selected /tail /local figure found][
either word? figure: load-figure selected [
either tail [
skip find-deep canvas/draw figure figure-length/pos selected
][
find-deep canvas/draw figure
]
][
either found: find/reverse at figs/data selected form figure [
n: 1
while [found: find/reverse found form figure][n: n + 1]
found: next find canvas/draw figure
loop n [found: next find found figure]
either tail [skip back found length? figure][back found]
][
found: find canvas/draw figure
either tail [skip found length? figure][found]
]
]
]
find-deep: func [block needle /local found s][
unless found: find block needle [
parse block [
some [to block! s: if (found: find-deep s/1 needle) break | skip]
]
]
found
]
offset: func [_1 _2][offset? find-figure _1 find-figure _2]
first-selected?: func [list /pos selected][selected: any [selected list/selected] selected = 1]
second-selected?: func [list /pos selected][selected: any [selected list/selected] selected = 2]
last-selected?: func [list /pos selected][selected: any [selected list/selected] selected = length? list/data]
last-but-one-selected?: func [list /pos selected][selected: any [selected list/selected] (length? list/data) = (selected + 1)]
next-figure: none
redraw: does [canvas/draw: canvas/draw show canvas]
figure-length: func [/pos selected /local figure selection][
selected: any [selected figs/selected]
figure: load first selection: at figs/data selected
any [
all [word? figure last-selected?/pos figs selected length? find-figure selected]
all [word? figure offset selected selected + 1]
length? figure
]
]
adjust-pens: has [found][
if found: find/last canvas/draw 'line-width [pen-width/data: found/2 show pen-width]
if found: find/last canvas/draw 'pen [pen-color/color: found/2 show pen-color]
if found: find/last canvas/draw 'fill-pen [fill-color/color: found/2 show fill-color]
]
join: cap: none
line-joins: copy []
format-local: func [param value][
either selection-start/2 = 'push [
either found-format: find/last selection-start/3 param [
either all [
find [pen fill-pen] param
not any [find color-word found-format/2 tuple? found-format/2]
][
parse next found-format [s: thru ['pad | 'repeat | 'reflect] e: (change/part s value e)]
][
change next found-format value
]
][
insert selection-start/3 reduce [param value]
]
][
change/part next selection-start
append/only copy [push]
append reduce [param value]
copy/part next selection-start selection-end
selection-end
]
env/action: 'draw
recalc-info
redraw
]
foreach join [miter bevel round] [
append line-joins compose/deep [
box 22x22 with [extra: (to-lit-word join)] draw [
pen gray box 0x0 21x21 pen black line-join (join) anti-alias off line-width 5 line 4x4 15x15 4x15
][
switch/default action [
insert [] ; TBD
line-join [format-local 'line-join face/extra]
][
append canvas/draw [line-join (join)]
append figs/data form [line-join (join)]
figs/selected: length? figs/data
select-figure
show figs
]
]
]
]
line-caps: copy []
foreach cap [flat square round] [
append line-caps compose/deep [
box 22x22 with [extra: (to-lit-word cap)] draw [
pen gray box 0x0 21x21 pen black line-cap (cap) anti-alias off line-width 5 line 5x10 16x10
][
switch/default action [
insert [] ; TBD
line-cap [format-local 'line-cap face/extra]
][
append canvas/draw [line-cap (cap)]
append figs/data form [line-cap (cap)]
figs/selected: length? figs/data
select-figure
show figs
]
]
]
]
move-in-list: func [list to-position][
;selected: list/selected
in-list: at list/data list/selected
switch/default to-position [
front [unless last-selected? list [move in-list tail in-list] list/selected: length? list/data]
forward [unless last-selected? list [move in-list next in-list] list/selected: list/selected + 1]
backward [unless first-selected? list [move in-list back in-list] list/selected: list/selected - 1]
back [unless first-selected? list [move in-list head in-list] list/selected: 1]
][
move in-list at list/data to-position
]
]
move-selection: func [position /from pos1 /to pos2 /local tmp][
switch position [
front [
unless last-selected? figs [
move/part selection-start tail selection-start figure-length
move-in-list figs 'front
]
]
forward [
unless last-selected? figs [
move/part selection-start either last-but-one-selected? figs [
tail selection-start
][
back find-figure/tail figs/selected + 1
]
figure-length
move-in-list figs 'forward
]
]
backward [
unless first-selected? figs [
move/part selection-start find-figure figs/selected - 1 figure-length
move-in-list figs 'backward
]
]
back [
unless first-selected? figs [
either canvas/draw/1 = 'matrix [
move/part selection-start at canvas/draw 3 figure-length
][
move/part selection-start head selection-start figure-length
]
move-in-list figs 'back
]
]
before [
case [
pos1 + 1 = pos2 [
move/part selection-start find-figure/tail pos2 figure-length/pos pos1
move at figs/data pos1 at figs/data pos2 + 1
]
pos2 = length? figs/data [
move/part selection-start tail selection-start figure-length/pos pos1
move at figs/data pos1 tail figs/data
]
'else [
move/part selection-start find-figure/tail pos2 figure-length/pos pos1
move at figs/data pos1 at figs/data pos2 + 1
]
]
figs/selected: pos2
]
swap [
if pos1 < pos2 [tmp: pos2 pos2: pos1 pos1: tmp]
select-figure/pos pos1
figs/selected: pos2
move/part selection-start find-figure pos2 figure-length/pos pos1
select-figure
either pos1 = length? figs/data [
move/part selection-start tail selection-start figure-length
][
move/part selection-start skip find-figure pos1 + 1 -1 figure-length
]
swap at figs/data pos1 at figs/data pos2
]
]
select-figure
show [figs canvas]
adjust-pens
]
move-layer: func [position /from pos1 /to pos2 /local tmp nope][
switch position [
front [
unless nope: last-selected? layers [
move at drawing-panel/pane layers/selected at drawing-panel/pane pos2: length? layers/data
move-in-list layers 'front
]
]
forward [
unless nope: last-selected? layers [
move at drawing-panel/pane layers/selected at drawing-panel/pane pos2: layers/selected + 1
move-in-list layers 'forward
]
]
backward [
unless nope: first-selected? layers [
move at drawing-panel/pane layers/selected at drawing-panel/pane pos2: layers/selected - 1
move-in-list layers 'backward
]
]
back [
unless nope: first-selected? layers [
move at drawing-panel/pane layers/selected head drawing-panel/pane
move-in-list layers 'back
pos2: 1
]
]
before [
if pos1 > pos2 [pos2: pos2 + 1]
move at drawing-panel/pane pos1 at drawing-panel/pane pos2
move at layers/data pos1 at layers/data pos2
]
swap [
if pos1 < pos2 [tmp: pos2 pos2: pos1 pos1: tmp]
swap at drawing-panel/pane pos1 at drawing-panel/pane pos2
swap at layers/data pos1 at layers/data pos2
]
]
unless nope [
env/layers/selected: pos2
env/canvas: drawing-panel/pane/:pos2
env/figs/data: canvas/extra/figs
show [drawing-panel figs-panel]
]
]
insert-manipulation: func [type][
either selection-start/2 = 'push [
insert selection-start/3 switch type [
translate [[translate 0x0]]
scale [[scale 1 1]]
skew [[skew 0 0]]
rotate [[rotate 0 0x0]]
transform [if integer? selection-end [selection-end: selection-end + 6] [transform 0x0 0 1 1 0x0]]
]
][
change/part next selection-start
append/only copy [push]
append copy switch type [
translate [[translate 0x0]]
scale [[scale 1 1]]
skew [[skew 0 0]]
rotate [[rotate 0 0x0]]
transform [if integer? selection-end [selection-end: selection-end + 6] [transform 0x0 0 1 1 0x0]]
] copy/part next selection-start selection-end
selection-end
]
]
;insert-grid: func [][]
;new-manipulation: func [type][
; insert-manipulation type
; action: type
; step: 1
;]
new-transformation: does [
unless all [selection-start/2 = 'push selection-start/3/1 = 'transform] [
insert-manipulation 'transform
]
]
in-group?: false
show-group-rule: [
[['transform | 'translate | 'scale | 'skew | 'rotate] to block! | ahead block!] (in-group?: true) into show-group-rule to end
| if (in-group?) collect some [
s: set-word! keep (to-string s/1) | ['line-width | 'fill-pen | 'pen] keep (form copy/part s 2) | skip
] (in-group?: false)
]
show-figs-rule: [
; [['transform | 'translate | 'scale | 'skew | 'rotate] to block! | ahead block!] (in-group?: true) into show-group-rule to end
;| if (in-group?)
collect some [
s: set-word! keep (to-string s/1) | ['line-width | 'fill-pen | 'pen] keep (form copy/part s 2) | skip
]
; (in-group?: false)
;]
]
get-group-elements: does [] ;???
remove-transformations: does [
while [
find/match [transform translate scale skew] first next selection-start
][
change/part next selection-start first find selection-start block! find/tail selection-start block!
]
]
unwrap-group: does [
remove-transformations
head selection-start
selection-start/2
]
count: 0
; Grid-layer
grid-layer: none
; Edit-layer
;found-transformations: found-formatting:
;found-figures: make block! 10
drawing-layer: selection-layer: edit-layer: edit-points-panel: none
copied-fig: copy []
figure-points2: [
some [s:
set-word!
| keep 'transform keep [pair! number! number! number! pair!] into figure-points2
| keep 'translate keep pair! into figure-points2
| keep 'scale keep [number! number!] into figure-points2
| keep 'skew keep [number! number!] into figure-points2
| keep 'rotate keep [number! pair!] into figure-points2
| keep 'line keep [pair! some pair!]
| keep 'box keep pair! keep pair! opt keep integer!
| keep 'polygon keep [pair! pair! some pair!]
| keep 'circle keep [pair! 1 2 number!]
| keep 'ellipse keep [pair! pair!]
| keep 'arc keep [pair! pair! integer! integer!] opt 'closed
| keep 'curve keep [pair! pair! 1 2 pair!]
| keep 'spline keep [pair! some pair! opt 'closed]
| keep 'image [image! | word!] keep [pair! opt pair!]
| keep 'text keep pair! string!
| skip
]
]
bind-figure-points: does [
clear copied-fig
;foreach [fig points] parse copied-fig: copy/part selection-start selection-end [collect figure-points] [
; probe reduce [fig points]
;append drawing-panel/pane layout/only compose [
; at (point - 5) box 11x11 loose draw [pen blue fill-pen 254.254.254.254 circle 5x5 5]
;]
;]
parse copy/part selection-start selection-end [collect into copied-fig figure-points2]
insert drawing-layer/draw flatten head insert copied-fig [pen blue]
;append drawing-panel/pane layout/only compose/deep [
; at 0x0 box (drawing-panel/size) draw [(drw)]
;]
show drawing-panel
]
remove-pen: func [blk /local rule][
parse blk rule: [some [
remove [
;['line-width integer!]
;|
['pen [
color-word
| tuple!
| word! thru ['pad | 'repeat | 'reflect]
]]
]
| ahead block! into rule
| skip
]]
blk
]
show-selected: func [/new /sel /local found len pos][
if any [new sel][clear at selection-layer/draw 4]
case [
new [append selection-layer/draw copy/deep/part next selection-start selection-end]
sel [append selection-layer/draw remove-pen copy/deep/part next selection-start selection-end]
'else [change/part at selection-layer/draw 4 remove-pen copy/deep/part next selection-start selection-end tail selection-layer/draw]
]
selection-layer/draw: selection-layer/draw
show selection-layer
]
a-rate: none
tick: 0
phase: 1
tab-pan: none
drawing-panel-tab: none
animations: scenes: none
info-panel: options-panel: drawing-panel: figs-panel: anim-panel: none
over-xy: over-params: current-drawing: current-action: current-step: none
current-zoom: none
recalc-info: has [i p][
repeat i length? p: info-panel/pane [
j: i - 1
if i > 1 [p/:i/offset/x: p/(i - 1)/offset/x + p/(i - 1)/size/x + 5]
if x: attempt [pick size-text p/:i 1][p/:i/size: as-pair x 35]
]
show info-panel
]
ortho?: cx: cy: none
grid: g-size: g-angle: none
select-fig: points: none
imag: none
_Matrix: none
format: 1 ; line-width
found-format: none
drawing-on-grid?: func [shift?][any [all [grid/data not shift?] all [not grid/data shift?]]]
current-pen: current-type: current-gradient: none ; for gradients
pen-width: pen-color: pen-color2: fill-color: fill-color2: none
format-params: [pen fill-pen line-width line-join line-cap]
manipulation-params: [transform translate scale skew rotate]
format-or-manipulation-params: append copy format-params copy manipulation-params
figure-proper: none
move?: none
move-points: copy []
moveable: none
find-figure-proper: func [/in block][
block: any [block selection-start]
find-deep block select primary pick figs/data figs/selected
]
ff: none
delete: func [face][
put primary pick face/data face/selected none
sel: select-figure
remove at face/data face/selected
remove/part selection-start selection-end
face/selected: sel
select-figure
show [face canvas]
]
rename: func [face][
new-name: ask-new-name
either find face/data new-name [
show-warning "Name should be unique!"
][
primary/:new-name: primary/(pick face/data face/selected)
put primary pick face/data face/selected none
change at face/data face/selected new-name
change selection-start to-set-word new-name
selected-figure/text: new-name
show selected-figure
show face
]
]
edit-selection: func [/new][
;either event/type = over
either new [
if figure-proper: find-figure-proper [
moveable: select figure-move-points figure-proper/1
clear move-points
parse next figure-proper reduce [
'collect 'into 'move-points
either find [parachain paratriple] figure [
[some [keep pair! | 'polygon]]
][
select figure-points figure-proper/1
]
]
if block? move-points/1 [move-points: move-points/1]
;probe move-points
clear edit-layer/pane
found: selection-start
forall move-points [
found: find next found move-points/1
append edit-layer/pane layout/only head insert at copy/deep [
at base 10x10 loose glass draw [line-width 2 fill-pen transparent pen 80.150.255 circle 5x5 4]
with [
extra: make map! reduce ['ref 1 + offset? selection-start found]
actors: object [
me: none
;pos-tmp: none
on-down: func [face event][
face/draw/4: 80.150.255
foreach-face/with face/parent [
face/extra/pos1: face/offset
;either grid/data [
; as-pair round/to face/offset/x g-size/data/x round/to face/offset/y g-size/data/y
;][face/offset]
][face/draw/4 = 80.150.255]
me: face
show face
'done
]
on-up: func [face event][
unless event/shift? [
face/draw/4: 'transparent
show face
]
'done
]
;on-over: func [face event]['done]
;on-alt-down: func [face event][
; face/draw/4: either face/draw/4 = 'transparent [80.150.255]['transparent]
; show face
; 'done
;]
;on-alt-up: func [face event]['done]
on-drag: func [face event /local diff][
face/extra/pos2: either grid/data [
face/offset: subtract as-pair round/to face/offset/x + 5 g-size/data/x round/to face/offset/y + 5 g-size/data/y 5x5
][face/offset]
if face/extra/pos2 <> face/extra/pos1 [ ;probe reduce [face/extra/pos2 face/extra/pos1]
selection-start/(face/extra/ref): face/extra/pos2 + 5x5
diff: face/extra/pos2 - face/extra/pos1
face/extra/pos1: face/extra/pos2
foreach-face/with face/parent [
face/offset: face/extra/pos1 + diff
selection-start/(face/extra/ref): face/offset + 5x5
face/extra/pos1: face/offset
][
all [
face <> me
face/draw/4 = 80.150.255
]
]
;probe reduce [selection-start face/extra/ref selection-start/(face/extra/ref)]
show [edit-layer canvas]
show-selected/sel
]
'done
]
]
]
] 2 move-points/1 - 5x5
]
;probe edit-layer/pane/1/draw
;probe edit-layer/pane
comment {
either moveable/1 = 'all [
either find [parachain paratriple] figure [
forall move-points [
x: divide -1 + index? move-points 4
poke figure-proper x + 1 + index? move-points move-points/1 + diff
]
][
forall move-points [poke figure-proper 1 + index? move-points move-points/1 + diff]
]
][
either figure-proper/1 = 'arc [
forall move-points [poke figure-proper -1 move-points/1 + diff poke figure-proper pick moveable index? move-points move-points/1 + diff]
][
forall move-points [poke figure-proper pick moveable index? move-points move-points/1 + diff]
]
]
}
show edit-layer
]
][
]
]
win: layout/options compose/deep [
title "Drawing pad"
size 600x510
tab-pan: tab-panel snow 580x490 [
"Drawing" [;backdrop green
;drawing-panel-tab: panel snow [origin 0x0 space 0x0
across
info-panel: panel snow 560x25 [
origin 0x0
space 4x0