diff options
| -rw-r--r-- | main.lua | 416 |
1 files changed, 208 insertions, 208 deletions
diff --git a/main.lua b/main.lua index 478446e..688c4e8 100644 --- a/main.lua +++ b/main.lua @@ -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 |