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Merge pull request #2400 from PySimpleGUI/Dev-latest

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Added a bunch more options for drawing stuff and move abililties to m…
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PySimpleGUI 2019-12-18 22:44:08 -05:00 • committed by GitHub
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1 changed files with 19 additions and 6 deletions
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25
DemoPrograms/Demo_Graph_Drawing_And_Dragging_Figures.py
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@ -13,11 +13,16 @@ def main():
col = [[sg.R('Draw Rectangles', 1, key='-RECT-')], col = [[sg.R('Draw Rectangles', 1, key='-RECT-')],
[sg.R('Draw Circle', 1, True, key='-CIRCLE-')], [sg.R('Draw Circle', 1, True, key='-CIRCLE-')],
[sg.R('Draw Line', 1, True, key='-LINE-')],
[sg.R('Draw point', 1, True, key='-POINT-')],
[sg.R('Erase item', 1, True, key='-ERASE-')],
[sg.R('Erase all', 1, True, key='-CLEAR-')],
[sg.R('Move Everything', 1, True, key='-MOVEALL-')],
[sg.R('Move Stuff', 1, True, key='-MOVE-')], [sg.R('Move Stuff', 1, True, key='-MOVE-')],
] ]
layout = [[sg.Graph( layout = [[sg.Graph(
canvas_size=(400, 400), canvas_size=(1200,1200),
graph_bottom_left=(0, 0), graph_bottom_left=(0, 0),
graph_top_right=(400, 400), graph_top_right=(400, 400),
key="-GRAPH-", key="-GRAPH-",
@ -26,7 +31,7 @@ def main():
drag_submits=True), sg.Col(col) ], drag_submits=True), sg.Col(col) ],
[sg.Text(key='info', size=(60, 1))]] [sg.Text(key='info', size=(60, 1))]]
window = sg.Window("draw rect on image", layout, finalize=True) window = sg.Window("Drawing and Moving Stuff Around", layout, finalize=True)
# get the graph element for ease of use later # get the graph element for ease of use later
graph = window["-GRAPH-"] # type: sg.Graph graph = window["-GRAPH-"] # type: sg.Graph
@ -50,20 +55,28 @@ def main():
end_point = (x, y) end_point = (x, y)
if prior_rect: if prior_rect:
graph.delete_figure(prior_rect) graph.delete_figure(prior_rect)
delta_x = x - lastxy[0] delta_x, delta_y = x - lastxy[0], y - lastxy[1]
delta_y = y - lastxy[1]
lastxy = x,y lastxy = x,y
if None not in (start_point, end_point): if None not in (start_point, end_point):
if values['-MOVE-']: if values['-MOVE-']:
for fig in drag_figures: for fig in drag_figures:
location = graph.get_bounding_box(fig)
graph.move_figure(fig, delta_x, delta_y) graph.move_figure(fig, delta_x, delta_y)
graph.update() graph.update()
elif values['-RECT-']: elif values['-RECT-']:
prior_rect = graph.draw_rectangle(start_point, end_point,fill_color='green', line_color='red') prior_rect = graph.draw_rectangle(start_point, end_point,fill_color='green', line_color='red')
elif values['-CIRCLE-']: elif values['-CIRCLE-']:
prior_rect = graph.draw_circle(start_point, end_point[0]-start_point[0], fill_color='red', line_color='green') prior_rect = graph.draw_circle(start_point, end_point[0]-start_point[0], fill_color='red', line_color='green')
elif values['-LINE-']:
prior_rect = graph.draw_line(start_point, end_point, width=4)
elif values['-POINT-']:
prior_rect = graph.draw_point(start_point, size=1)
elif values['-ERASE-']:
for figure in drag_figures:
graph.delete_figure(figure)
elif values['-CLEAR-']:
graph.erase()
elif values['-MOVEALL-']:
graph.move(delta_x, delta_y)
elif event.endswith('+UP'): # The drawing has ended because mouse up elif event.endswith('+UP'): # The drawing has ended because mouse up
info = window["info"] info = window["info"]
info.update(value=f"grabbed rectangle from {start_point} to {end_point}") info.update(value=f"grabbed rectangle from {start_point} to {end_point}")