119 lines
4.8 KiB
Lua
119 lines
4.8 KiB
Lua
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function draw_help_without_mouse_pressed(drawing)
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love.graphics.setColor(0,0.5,0)
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local y = drawing.y+10
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love.graphics.print("Things you can do:", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print("* Press the mouse button to start drawing a "..current_shape(), 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print("* Hover on a point and press 'ctrl+v' to start moving it,", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print("then press the mouse button to finish", 16+30+bullet_indent(),y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print("* Hover on a point or shape and press 'ctrl+d' to delete it", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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y = y+15*Zoom
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if Current_drawing_mode ~= 'freehand' then
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love.graphics.print("* Press 'ctrl+f' to switch to drawing freehand strokes", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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if Current_drawing_mode ~= 'line' then
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love.graphics.print("* Press 'ctrl+l' to switch to drawing lines", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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if Current_drawing_mode ~= 'manhattan' then
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love.graphics.print("* Press 'ctrl+m' to switch to drawing horizontal/vertical lines", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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if Current_drawing_mode ~= 'circle' then
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love.graphics.print("* Press 'ctrl+c' to switch to drawing circles/arcs", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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if Current_drawing_mode ~= 'polygon' then
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love.graphics.print("* Press 'ctrl+g' to switch to drawing polygons", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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love.graphics.print("* Press 'ctrl+=' or 'ctrl+-' to Zoom in or out", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print("* Press 'ctrl+0' to reset Zoom", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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y = y+15*Zoom
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love.graphics.print("Hit 'esc' now to hide this message", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.setColor(0,0.5,0, 0.1)
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love.graphics.rectangle('fill', 16,drawing.y, Drawing_width, math.max(Drawing.pixels(drawing.h),y-drawing.y))
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end
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function draw_help_with_mouse_pressed(drawing)
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love.graphics.setColor(0,0.5,0)
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local y = drawing.y+10
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love.graphics.print("You're currently drawing a "..current_shape(drawing.pending), 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print('Things you can do now:', 16+30,y, 0, Zoom)
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y = y+15*Zoom
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if Current_drawing_mode == 'freehand' then
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love.graphics.print('* Release the mouse button to finish drawing the stroke', 16+30,y, 0, Zoom)
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y = y+15*Zoom
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elseif Current_drawing_mode == 'line' or Current_drawing_mode == 'manhattan' then
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love.graphics.print('* Release the mouse button to finish drawing the line', 16+30,y, 0, Zoom)
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y = y+15*Zoom
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elseif Current_drawing_mode == 'circle' then
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if drawing.pending.mode == 'circle' then
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love.graphics.print('* Release the mouse button to finish drawing the circle', 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print("* Press 'a' to draw just an arc of a circle", 16+30,y, 0, Zoom)
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else
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love.graphics.print('* Release the mouse button to finish drawing the arc', 16+30,y, 0, Zoom)
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end
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y = y+15*Zoom
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elseif Current_drawing_mode == 'polygon' then
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love.graphics.print('* Release the mouse button to finish drawing the polygon', 16+30,y, 0, Zoom)
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y = y+15*Zoom
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love.graphics.print("* Press 'p' to add a vertex to the polygon", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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love.graphics.print("* Press 'esc' then release the mouse button to cancel the current shape", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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y = y+15*Zoom
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if Current_drawing_mode ~= 'line' then
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love.graphics.print("* Press 'l' to switch to drawing lines", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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if Current_drawing_mode ~= 'manhattan' then
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love.graphics.print("* Press 'm' to switch to drawing horizontal/vertical lines", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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if Current_drawing_mode ~= 'circle' then
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love.graphics.print("* Press 'c' to switch to drawing circles/arcs", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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if Current_drawing_mode ~= 'polygon' then
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love.graphics.print("* Press 'g' to switch to drawing polygons", 16+30,y, 0, Zoom)
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y = y+15*Zoom
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end
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love.graphics.setColor(0,0.5,0, 0.1)
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love.graphics.rectangle('fill', 16,drawing.y, Drawing_width, math.max(Drawing.pixels(drawing.h),y-drawing.y))
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end
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function current_shape(shape)
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if Current_drawing_mode == 'freehand' then
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return 'freehand stroke'
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elseif Current_drawing_mode == 'line' then
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return 'straight line'
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elseif Current_drawing_mode == 'manhattan' then
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return 'horizontal/vertical line'
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elseif Current_drawing_mode == 'circle' and shape and shape.start_angle then
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return 'arc'
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else
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return Current_drawing_mode
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end
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end
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_bullet_indent = nil
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function bullet_indent()
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if _bullet_indent == nil then
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local text = love.graphics.newText(love.graphics.getFont(), '* ')
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_bullet_indent = text:getWidth()
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end
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return _bullet_indent
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end
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