akkartik
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lines.love
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finish uppercasing all globals

This commit is contained in:
Kartik K. Agaram 2022-05-17 19:33:35 -07:00
parent 45eee7ad49
commit 9ade4d2782
1 changed files with 208 additions and 208 deletions
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416
main.lua
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@ -30,88 +30,88 @@ local utf8 = require 'utf8'
-- solving for them. But for now, this is a program to create static drawings
-- once, and read them passively thereafter.
Lines = {{mode='text', data=''}}
cursor_line = 1
Cursor_line = 1
-- this is a line
-- ^cursor_pos = 1
-- ^cursor_pos = 2
-- ...
-- ^cursor_pos past end of line is 15
cursor_pos = #Lines[cursor_line].data+1
Cursor_pos = #Lines[Cursor_line].data+1
screenw, screenh, screenflags = 0, 0, nil
Screen_width, Screen_height, Screen_flags = 0, 0, nil
current_mode = 'line'
previous_mode = nil
Current_mode = 'line'
Previous_mode = nil
-- All drawings span 100% of some conceptual 'page width' and divide it up
-- into 256 parts. `drawingw` describes their width in pixels.
drawingw = nil -- pixels
-- into 256 parts. `Drawing_width` describes their width in pixels.
Drawing_width = nil -- pixels
function pixels(n) -- parts to pixels
return n*drawingw/256
return n*Drawing_width/256
end
function coord(n) -- pixels to parts
return math.floor(n*256/drawingw)
return math.floor(n*256/Drawing_width)
end
zoom = 1.5
Zoom = 1.5
filename = 'lines.txt'
Filename = 'lines.txt'
function love.load(arg)
-- maximize window
love.window.setMode(0, 0) -- maximize
screenw, screenh, screenflags = love.window.getMode()
Screen_width, Screen_height, Screen_flags = love.window.getMode()
-- shrink slightly to account for window decoration
screenw = screenw-100
screenh = screenh-100
love.window.setMode(screenw, screenh)
Screen_width = Screen_width-100
Screen_height = Screen_height-100
love.window.setMode(Screen_width, Screen_height)
love.window.setTitle('Text with Lines')
drawingw = math.floor(screenw/2/40)*40
Drawing_width = math.floor(Screen_width/2/40)*40
love.keyboard.setTextInput(true) -- bring up keyboard on touch screen
if #arg > 0 then
filename = arg[1]
Filename = arg[1]
end
Lines = load_from_disk(filename)
Lines = load_from_disk(Filename)
for i,line in ipairs(Lines) do
if line.mode == 'text' then
cursor_line = i
Cursor_line = i
end
end
love.window.setTitle('Text with Lines - '..filename)
love.window.setTitle('Text with Lines - '..Filename)
end
function love.filedropped(file)
filename = file:getFilename()
Filename = file:getFilename()
file:open('r')
Lines = load_from_file(file)
file:close()
for i,line in ipairs(Lines) do
if line.mode == 'text' then
cursor_line = i
Cursor_line = i
end
end
love.window.setTitle('Text with Lines - '..filename)
love.window.setTitle('Text with Lines - '..Filename)
end
function love.draw()
button_handlers = {}
love.graphics.setColor(1, 1, 1)
love.graphics.rectangle('fill', 0, 0, screenw-1, screenh-1)
love.graphics.rectangle('fill', 0, 0, Screen_width-1, Screen_height-1)
love.graphics.setColor(0, 0, 0)
local y = 0
for i,line in ipairs(Lines) do
y = y+15*zoom
y = y+15*Zoom
line.y = y
if line.mode == 'text' and line.data == '' then
button('draw', {x=4,y=y+4, w=12,h=12, color={1,1,0},
icon = icon.insert_drawing,
onpress1 = function()
table.insert(Lines, i, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})
if cursor_line >= i then
cursor_line = cursor_line+1
if Cursor_line >= i then
Cursor_line = Cursor_line+1
end
end})
if i == cursor_line then
if i == Cursor_line then
love.graphics.setColor(0,0,0)
love.graphics.print('_', 25, y+6) -- drop the cursor down a bit to account for the increased font size
end
@ -120,13 +120,13 @@ function love.draw()
y = y+pixels(line.h)
local pmx,pmy = love.mouse.getX(), love.mouse.getY()
if pmx < 16+drawingw and pmy > line.y and pmy < line.y+pixels(line.h) then
if pmx < 16+Drawing_width and pmy > line.y and pmy < line.y+pixels(line.h) then
love.graphics.setColor(0.75,0.75,0.75)
love.graphics.rectangle('line', 16,line.y, drawingw,pixels(line.h))
if icon[current_mode] then
icon[current_mode](16+drawingw-20, line.y+4)
love.graphics.rectangle('line', 16,line.y, Drawing_width,pixels(line.h))
if icon[Current_mode] then
icon[Current_mode](16+Drawing_width-20, line.y+4)
else
icon[previous_mode](16+drawingw-20, line.y+4)
icon[Previous_mode](16+Drawing_width-20, line.y+4)
end
if love.mouse.isDown('1') and love.keyboard.isDown('h') then
@ -166,10 +166,10 @@ function love.draw()
else
love.graphics.setColor(0,0,0)
local text = love.graphics.newText(love.graphics.getFont(), line.data)
love.graphics.draw(text, 25,y, 0, zoom)
if i == cursor_line then
love.graphics.draw(text, 25,y, 0, Zoom)
if i == Cursor_line then
-- cursor
love.graphics.print('_', cursor_x(line.data, cursor_pos), y+6) -- drop the cursor down a bit to account for the increased font size
love.graphics.print('_', cursor_x(line.data, Cursor_pos), y+6) -- drop the cursor down a bit to account for the increased font size
end
end
end
@ -181,7 +181,7 @@ function love.update(dt)
if Lines.current.mode == 'drawing' then
local drawing = Lines.current
local x, y = love.mouse.getX(), love.mouse.getY()
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+Drawing_width then
if drawing.pending.mode == 'freehand' then
table.insert(drawing.pending.points, {x=coord(love.mouse.getX()-16), y=coord(love.mouse.getY()-drawing.y)})
elseif drawing.pending.mode == 'move' then
@ -192,10 +192,10 @@ function love.update(dt)
end
end
end
elseif current_mode == 'move' then
elseif Current_mode == 'move' then
local drawing = Lines.current
local x, y = love.mouse.getX(), love.mouse.getY()
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+Drawing_width then
local mx,my = coord(x-16), coord(y-drawing.y)
drawing.pending.target_point.x = mx
drawing.pending.target_point.y = my
@ -209,25 +209,25 @@ function love.mousepressed(x,y, button)
for i,line in ipairs(Lines) do
if line.mode == 'text' then
-- move cursor
if x >= 16 and y >= line.y and y < y+15*zoom then
cursor_line = i
cursor_pos = nearest_cursor_pos(line.data, x, 1)
if x >= 16 and y >= line.y and y < y+15*Zoom then
Cursor_line = i
Cursor_pos = nearest_cursor_pos(line.data, x, 1)
end
elseif line.mode == 'drawing' then
local drawing = line
local x, y = love.mouse.getX(), love.mouse.getY()
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
if current_mode == 'freehand' then
drawing.pending = {mode=current_mode, points={{x=coord(x-16), y=coord(y-drawing.y)}}}
elseif current_mode == 'line' or current_mode == 'manhattan' then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+Drawing_width then
if Current_mode == 'freehand' then
drawing.pending = {mode=Current_mode, points={{x=coord(x-16), y=coord(y-drawing.y)}}}
elseif Current_mode == 'line' or Current_mode == 'manhattan' then
local j = insert_point(drawing.points, coord(x-16), coord(y-drawing.y))
drawing.pending = {mode=current_mode, p1=j}
elseif current_mode == 'polygon' then
drawing.pending = {mode=Current_mode, p1=j}
elseif Current_mode == 'polygon' then
local j = insert_point(drawing.points, coord(x-16), coord(y-drawing.y))
drawing.pending = {mode=current_mode, vertices={j}}
elseif current_mode == 'circle' then
drawing.pending = {mode=Current_mode, vertices={j}}
elseif Current_mode == 'circle' then
local j = insert_point(drawing.points, coord(x-16), coord(y-drawing.y))
drawing.pending = {mode=current_mode, center=j}
drawing.pending = {mode=Current_mode, center=j}
end
Lines.current = drawing
end
@ -236,9 +236,9 @@ function love.mousepressed(x,y, button)
end
function love.mousereleased(x,y, button)
if current_mode == 'move' then
current_mode = previous_mode
previous_mode = nil
if Current_mode == 'move' then
Current_mode = Previous_mode
Previous_mode = nil
elseif Lines.current then
if Lines.current.pending then
if Lines.current.pending.mode == 'freehand' then
@ -292,8 +292,8 @@ function love.mousereleased(x,y, button)
Lines.current = nil
end
end
if filename then
save_to_disk(Lines, filename)
if Filename then
save_to_disk(Lines, Filename)
end
end
@ -506,17 +506,17 @@ end
function love.textinput(t)
if love.mouse.isDown('1') then return end
if Lines[cursor_line].mode == 'drawing' then return end
if Lines[Cursor_line].mode == 'drawing' then return end
local byteoffset
if cursor_pos > 1 then
byteoffset = utf8.offset(Lines[cursor_line].data, cursor_pos-1)
if Cursor_pos > 1 then
byteoffset = utf8.offset(Lines[Cursor_line].data, Cursor_pos-1)
else
byteoffset = 0
end
Lines[cursor_line].data = string.sub(Lines[cursor_line].data, 1, byteoffset)..t..string.sub(Lines[cursor_line].data, byteoffset+1)
cursor_pos = cursor_pos+1
if filename then
save_to_disk(Lines, filename)
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byteoffset)..t..string.sub(Lines[Cursor_line].data, byteoffset+1)
Cursor_pos = Cursor_pos+1
if Filename then
save_to_disk(Lines, Filename)
end
end
@ -524,104 +524,104 @@ function keychord_pressed(chord)
-- Don't handle any keys here that would trigger love.textinput above.
-- shortcuts for text
if chord == 'return' then
table.insert(Lines, cursor_line+1, {mode='text', data=''})
cursor_line = cursor_line+1
cursor_pos = 1
table.insert(Lines, Cursor_line+1, {mode='text', data=''})
Cursor_line = Cursor_line+1
Cursor_pos = 1
elseif chord == 'backspace' then
if cursor_pos > 1 then
local byte_start = utf8.offset(Lines[cursor_line].data, cursor_pos-1)
local byte_end = utf8.offset(Lines[cursor_line].data, cursor_pos)
if Cursor_pos > 1 then
local byte_start = utf8.offset(Lines[Cursor_line].data, Cursor_pos-1)
local byte_end = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
if byte_start then
if byte_end then
Lines[cursor_line].data = string.sub(Lines[cursor_line].data, 1, byte_start-1)..string.sub(Lines[cursor_line].data, byte_end)
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)..string.sub(Lines[Cursor_line].data, byte_end)
else
Lines[cursor_line].data = string.sub(Lines[cursor_line].data, 1, byte_start-1)
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)
end
cursor_pos = cursor_pos-1
Cursor_pos = Cursor_pos-1
end
elseif cursor_line > 1 then
if Lines[cursor_line-1].mode == 'drawing' then
table.remove(Lines, cursor_line-1)
elseif Cursor_line > 1 then
if Lines[Cursor_line-1].mode == 'drawing' then
table.remove(Lines, Cursor_line-1)
else
-- join Lines
cursor_pos = utf8.len(Lines[cursor_line-1].data)+1
Lines[cursor_line-1].data = Lines[cursor_line-1].data..Lines[cursor_line].data
table.remove(Lines, cursor_line)
Cursor_pos = utf8.len(Lines[Cursor_line-1].data)+1
Lines[Cursor_line-1].data = Lines[Cursor_line-1].data..Lines[Cursor_line].data
table.remove(Lines, Cursor_line)
end
cursor_line = cursor_line-1
Cursor_line = Cursor_line-1
end
elseif chord == 'left' then
if cursor_pos > 1 then
cursor_pos = cursor_pos - 1
if Cursor_pos > 1 then
Cursor_pos = Cursor_pos-1
end
elseif chord == 'right' then
if cursor_pos <= #Lines[cursor_line].data then
cursor_pos = cursor_pos + 1
if Cursor_pos <= #Lines[Cursor_line].data then
Cursor_pos = Cursor_pos+1
end
elseif chord == 'home' then
cursor_pos = 1
Cursor_pos = 1
elseif chord == 'end' then
cursor_pos = #Lines[cursor_line].data+1
Cursor_pos = #Lines[Cursor_line].data+1
elseif chord == 'delete' then
if cursor_pos <= #Lines[cursor_line].data then
local byte_start = utf8.offset(Lines[cursor_line].data, cursor_pos)
local byte_end = utf8.offset(Lines[cursor_line].data, cursor_pos+1)
if Cursor_pos <= #Lines[Cursor_line].data then
local byte_start = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
local byte_end = utf8.offset(Lines[Cursor_line].data, Cursor_pos+1)
if byte_start then
if byte_end then
Lines[cursor_line].data = string.sub(Lines[cursor_line].data, 1, byte_start-1)..string.sub(Lines[cursor_line].data, byte_end)
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)..string.sub(Lines[Cursor_line].data, byte_end)
else
Lines[cursor_line].data = string.sub(Lines[cursor_line].data, 1, byte_start-1)
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)
end
-- no change to cursor_pos
-- no change to Cursor_pos
end
end
-- transitioning between drawings and text
elseif chord == 'up' then
assert(Lines[cursor_line].mode == 'text')
local new_cursor_line = cursor_line
assert(Lines[Cursor_line].mode == 'text')
local new_cursor_line = Cursor_line
while new_cursor_line > 1 do
new_cursor_line = new_cursor_line-1
if Lines[new_cursor_line].mode == 'text' then
local old_x = cursor_x(Lines[new_cursor_line].data, cursor_pos)
cursor_line = new_cursor_line
cursor_pos = nearest_cursor_pos(Lines[cursor_line].data, old_x, cursor_pos)
local old_x = cursor_x(Lines[new_cursor_line].data, Cursor_pos)
Cursor_line = new_cursor_line
Cursor_pos = nearest_cursor_pos(Lines[Cursor_line].data, old_x, Cursor_pos)
break
end
end
elseif chord == 'down' then
assert(Lines[cursor_line].mode == 'text')
local new_cursor_line = cursor_line
assert(Lines[Cursor_line].mode == 'text')
local new_cursor_line = Cursor_line
while new_cursor_line < #Lines do
new_cursor_line = new_cursor_line+1
if Lines[new_cursor_line].mode == 'text' then
local old_x = cursor_x(Lines[new_cursor_line].data, cursor_pos)
cursor_line = new_cursor_line
cursor_pos = nearest_cursor_pos(Lines[cursor_line].data, old_x, cursor_pos)
local old_x = cursor_x(Lines[new_cursor_line].data, Cursor_pos)
Cursor_line = new_cursor_line
Cursor_pos = nearest_cursor_pos(Lines[Cursor_line].data, old_x, Cursor_pos)
break
end
end
elseif chord == 'C-=' then
drawingw = drawingw/zoom
zoom = zoom+0.5
drawingw = drawingw*zoom
Drawing_width = Drawing_width/Zoom
Zoom = Zoom+0.5
Drawing_width = Drawing_width*Zoom
elseif chord == 'C--' then
drawingw = drawingw/zoom
zoom = zoom-0.5
drawingw = drawingw*zoom
Drawing_width = Drawing_width/Zoom
Zoom = Zoom-0.5
Drawing_width = Drawing_width*Zoom
elseif chord == 'C-0' then
drawingw = drawingw/zoom
zoom = 1.5
drawingw = drawingw*zoom
Drawing_width = Drawing_width/Zoom
Zoom = 1.5
Drawing_width = Drawing_width*Zoom
-- shortcuts for drawings
elseif chord == 'escape' and love.mouse.isDown('1') then
local drawing = current_drawing()
drawing.pending = {}
elseif chord == 'C-f' and not love.mouse.isDown('1') then
current_mode = 'freehand'
Current_mode = 'freehand'
elseif chord == 'C-g' and not love.mouse.isDown('1') then
current_mode = 'polygon'
Current_mode = 'polygon'
elseif love.mouse.isDown('1') and chord == 'g' then
current_mode = 'polygon'
Current_mode = 'polygon'
local drawing = current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.vertices = {insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)}
@ -633,14 +633,14 @@ function keychord_pressed(chord)
drawing.pending.vertices = {drawing.pending.center}
end
drawing.pending.mode = 'polygon'
elseif love.mouse.isDown('1') and chord == 'p' and current_mode == 'polygon' then
elseif love.mouse.isDown('1') and chord == 'p' and Current_mode == 'polygon' then
local drawing = current_drawing()
local mx,my = coord(love.mouse.getX()-16), coord(love.mouse.getY()-drawing.y)
local j = insert_point(drawing.points, mx,my)
table.insert(drawing.pending.vertices, j)
elseif chord == 'C-c' and not love.mouse.isDown('1') then
current_mode = 'circle'
elseif love.mouse.isDown('1') and chord == 'a' and current_mode == 'circle' then
Current_mode = 'circle'
elseif love.mouse.isDown('1') and chord == 'a' and Current_mode == 'circle' then
local drawing = current_drawing()
drawing.pending.mode = 'arc'
local mx,my = coord(love.mouse.getX()-16), coord(love.mouse.getY()-drawing.y)
@ -649,7 +649,7 @@ function keychord_pressed(chord)
drawing.pending.radius = math.dist(center.x,center.y, mx,my)
drawing.pending.start_angle = math.angle(center.x,center.y, mx,my)
elseif love.mouse.isDown('1') and chord == 'c' then
current_mode = 'circle'
Current_mode = 'circle'
local drawing = current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.center = insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
@ -660,7 +660,7 @@ function keychord_pressed(chord)
end
drawing.pending.mode = 'circle'
elseif love.mouse.isDown('1') and chord == 'l' then
current_mode = 'line'
Current_mode = 'line'
local drawing = current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.p1 = insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
@ -671,13 +671,13 @@ function keychord_pressed(chord)
end
drawing.pending.mode = 'line'
elseif chord == 'C-l' then
current_mode = 'line'
Current_mode = 'line'
local drawing,i,shape = select_shape_at_mouse()
if drawing then
convert_line(drawing, shape)
end
elseif love.mouse.isDown('1') and chord == 'm' then
current_mode = 'manhattan'
Current_mode = 'manhattan'
local drawing = select_drawing_at_mouse()
if drawing.pending.mode == 'freehand' then
drawing.pending.p1 = insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
@ -690,7 +690,7 @@ function keychord_pressed(chord)
end
drawing.pending.mode = 'manhattan'
elseif chord == 'C-m' and not love.mouse.isDown('1') then
current_mode = 'manhattan'
Current_mode = 'manhattan'
local drawing,i,shape = select_shape_at_mouse()
if drawing then
convert_horvert(drawing, shape)
@ -703,17 +703,17 @@ function keychord_pressed(chord)
elseif chord == 'C-v' and not love.mouse.isDown('1') then
local drawing,_,p = select_point_at_mouse()
if drawing then
previous_mode = current_mode
current_mode = 'move'
drawing.pending = {mode=current_mode, target_point=p}
Previous_mode = Current_mode
Current_mode = 'move'
drawing.pending = {mode=Current_mode, target_point=p}
Lines.current = drawing
end
elseif love.mouse.isDown('1') and chord == 'v' then
local drawing,_,p = select_point_at_mouse()
if drawing then
previous_mode = current_mode
current_mode = 'move'
drawing.pending = {mode=current_mode, target_point=p}
Previous_mode = Current_mode
Current_mode = 'move'
drawing.pending = {mode=Current_mode, target_point=p}
Lines.current = drawing
end
elseif chord == 'C-d' and not love.mouse.isDown('1') then
@ -756,7 +756,7 @@ end
function cursor_x(line, cursor_pos)
local line_before_cursor = line:sub(1, cursor_pos-1)
local text_before_cursor = love.graphics.newText(love.graphics.getFont(), line_before_cursor)
return 25+text_before_cursor:getWidth()*zoom
return 25+text_before_cursor:getWidth()*Zoom
end
function nearest_cursor_pos(line, x, hint)
@ -797,7 +797,7 @@ function current_drawing()
local x, y = love.mouse.getX(), love.mouse.getY()
for _,drawing in ipairs(Lines) do
if drawing.mode == 'drawing' then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+Drawing_width then
return drawing
end
end
@ -809,7 +809,7 @@ function select_shape_at_mouse()
for _,drawing in ipairs(Lines) do
if drawing.mode == 'drawing' then
local x, y = love.mouse.getX(), love.mouse.getY()
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+Drawing_width then
local mx,my = coord(love.mouse.getX()-16), coord(love.mouse.getY()-drawing.y)
for i,shape in ipairs(drawing.shapes) do
assert(shape)
@ -826,7 +826,7 @@ function select_point_at_mouse()
for _,drawing in ipairs(Lines) do
if drawing.mode == 'drawing' then
local x, y = love.mouse.getX(), love.mouse.getY()
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+Drawing_width then
local mx,my = coord(love.mouse.getX()-16), coord(love.mouse.getY()-drawing.y)
for i,point in ipairs(drawing.points) do
assert(point)
@ -843,7 +843,7 @@ function select_drawing_at_mouse()
for _,drawing in ipairs(Lines) do
if drawing.mode == 'drawing' then
local x, y = love.mouse.getX(), love.mouse.getY()
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+Drawing_width then
return drawing
end
end
@ -1083,110 +1083,110 @@ end
function draw_help_without_mouse_pressed(drawing)
love.graphics.setColor(0,0.5,0)
local y = drawing.y+10
love.graphics.print("Things you can do:", 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Press the mouse button to start drawing a "..current_shape(), 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Hover on a point and press 'ctrl+v' to start moving it,", 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("then press the mouse button to finish", 16+30+bullet_indent(),y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Hover on a point or shape and press 'ctrl+d' to delete it", 16+30,y, 0, zoom)
y = y+15*zoom
y = y+15*zoom
if current_mode ~= 'freehand' then
love.graphics.print("* Press 'ctrl+f' to switch to drawing freehand strokes", 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("Things you can do:", 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.print("* Press the mouse button to start drawing a "..current_shape(), 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.print("* Hover on a point and press 'ctrl+v' to start moving it,", 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.print("then press the mouse button to finish", 16+30+bullet_indent(),y, 0, Zoom)
y = y+15*Zoom
love.graphics.print("* Hover on a point or shape and press 'ctrl+d' to delete it", 16+30,y, 0, Zoom)
y = y+15*Zoom
y = y+15*Zoom
if Current_mode ~= 'freehand' then
love.graphics.print("* Press 'ctrl+f' to switch to drawing freehand strokes", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
if current_mode ~= 'line' then
love.graphics.print("* Press 'ctrl+l' to switch to drawing lines", 16+30,y, 0, zoom)
y = y+15*zoom
if Current_mode ~= 'line' then
love.graphics.print("* Press 'ctrl+l' to switch to drawing lines", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
if current_mode ~= 'manhattan' then
love.graphics.print("* Press 'ctrl+m' to switch to drawing horizontal/vertical lines", 16+30,y, 0, zoom)
y = y+15*zoom
if Current_mode ~= 'manhattan' then
love.graphics.print("* Press 'ctrl+m' to switch to drawing horizontal/vertical lines", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
if current_mode ~= 'circle' then
love.graphics.print("* Press 'ctrl+c' to switch to drawing circles/arcs", 16+30,y, 0, zoom)
y = y+15*zoom
if Current_mode ~= 'circle' then
love.graphics.print("* Press 'ctrl+c' to switch to drawing circles/arcs", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
if current_mode ~= 'polygon' then
love.graphics.print("* Press 'ctrl+g' to switch to drawing polygons", 16+30,y, 0, zoom)
y = y+15*zoom
if Current_mode ~= 'polygon' then
love.graphics.print("* Press 'ctrl+g' to switch to drawing polygons", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
love.graphics.print("* Press 'ctrl+=' or 'ctrl+-' to zoom in or out", 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Press 'ctrl+0' to reset zoom", 16+30,y, 0, zoom)
y = y+15*zoom
y = y+15*zoom
love.graphics.print("Hit 'esc' now to hide this message", 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Press 'ctrl+=' or 'ctrl+-' to Zoom in or out", 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.print("* Press 'ctrl+0' to reset Zoom", 16+30,y, 0, Zoom)
y = y+15*Zoom
y = y+15*Zoom
love.graphics.print("Hit 'esc' now to hide this message", 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.setColor(0,0.5,0, 0.1)
love.graphics.rectangle('fill', 16,drawing.y, drawingw, math.max(pixels(drawing.h),y-drawing.y))
love.graphics.rectangle('fill', 16,drawing.y, Drawing_width, math.max(pixels(drawing.h),y-drawing.y))
end
function draw_help_with_mouse_pressed(drawing)
love.graphics.setColor(0,0.5,0)
local y = drawing.y+10
love.graphics.print("You're currently drawing a "..current_shape(drawing.pending), 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print('Things you can do now:', 16+30,y, 0, zoom)
y = y+15*zoom
if current_mode == 'freehand' then
love.graphics.print('* Release the mouse button to finish drawing the stroke', 16+30,y, 0, zoom)
y = y+15*zoom
elseif current_mode == 'line' or current_mode == 'manhattan' then
love.graphics.print('* Release the mouse button to finish drawing the line', 16+30,y, 0, zoom)
y = y+15*zoom
elseif current_mode == 'circle' then
love.graphics.print("You're currently drawing a "..current_shape(drawing.pending), 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.print('Things you can do now:', 16+30,y, 0, Zoom)
y = y+15*Zoom
if Current_mode == 'freehand' then
love.graphics.print('* Release the mouse button to finish drawing the stroke', 16+30,y, 0, Zoom)
y = y+15*Zoom
elseif Current_mode == 'line' or Current_mode == 'manhattan' then
love.graphics.print('* Release the mouse button to finish drawing the line', 16+30,y, 0, Zoom)
y = y+15*Zoom
elseif Current_mode == 'circle' then
if drawing.pending.mode == 'circle' then
love.graphics.print('* Release the mouse button to finish drawing the circle', 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Press 'a' to draw just an arc of a circle", 16+30,y, 0, zoom)
love.graphics.print('* Release the mouse button to finish drawing the circle', 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.print("* Press 'a' to draw just an arc of a circle", 16+30,y, 0, Zoom)
else
love.graphics.print('* Release the mouse button to finish drawing the arc', 16+30,y, 0, zoom)
love.graphics.print('* Release the mouse button to finish drawing the arc', 16+30,y, 0, Zoom)
end
y = y+15*zoom
elseif current_mode == 'polygon' then
love.graphics.print('* Release the mouse button to finish drawing the polygon', 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Press 'p' to add a vertex to the polygon", 16+30,y, 0, zoom)
y = y+15*zoom
y = y+15*Zoom
elseif Current_mode == 'polygon' then
love.graphics.print('* Release the mouse button to finish drawing the polygon', 16+30,y, 0, Zoom)
y = y+15*Zoom
love.graphics.print("* Press 'p' to add a vertex to the polygon", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
love.graphics.print("* Press 'esc' then release the mouse button to cancel the current shape", 16+30,y, 0, zoom)
y = y+15*zoom
y = y+15*zoom
if current_mode ~= 'line' then
love.graphics.print("* Press 'l' to switch to drawing lines", 16+30,y, 0, zoom)
y = y+15*zoom
love.graphics.print("* Press 'esc' then release the mouse button to cancel the current shape", 16+30,y, 0, Zoom)
y = y+15*Zoom
y = y+15*Zoom
if Current_mode ~= 'line' then
love.graphics.print("* Press 'l' to switch to drawing lines", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
if current_mode ~= 'manhattan' then
love.graphics.print("* Press 'm' to switch to drawing horizontal/vertical lines", 16+30,y, 0, zoom)
y = y+15*zoom
if Current_mode ~= 'manhattan' then
love.graphics.print("* Press 'm' to switch to drawing horizontal/vertical lines", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
if current_mode ~= 'circle' then
love.graphics.print("* Press 'c' to switch to drawing circles/arcs", 16+30,y, 0, zoom)
y = y+15*zoom
if Current_mode ~= 'circle' then
love.graphics.print("* Press 'c' to switch to drawing circles/arcs", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
if current_mode ~= 'polygon' then
love.graphics.print("* Press 'g' to switch to drawing polygons", 16+30,y, 0, zoom)
y = y+15*zoom
if Current_mode ~= 'polygon' then
love.graphics.print("* Press 'g' to switch to drawing polygons", 16+30,y, 0, Zoom)
y = y+15*Zoom
end
love.graphics.setColor(0,0.5,0, 0.1)
love.graphics.rectangle('fill', 16,drawing.y, drawingw, math.max(pixels(drawing.h),y-drawing.y))
love.graphics.rectangle('fill', 16,drawing.y, Drawing_width, math.max(pixels(drawing.h),y-drawing.y))
end
function current_shape(shape)
if current_mode == 'freehand' then
if Current_mode == 'freehand' then
return 'freehand stroke'
elseif current_mode == 'line' then
elseif Current_mode == 'line' then
return 'straight line'
elseif current_mode == 'manhattan' then
elseif Current_mode == 'manhattan' then
return 'horizontal/vertical line'
elseif current_mode == 'circle' and shape and shape.start_angle then
elseif Current_mode == 'circle' and shape and shape.start_angle then
return 'arc'
else
return current_mode
return Current_mode
end
end