moveimage.py

moveimage.py

import ui

class MoveView(ui.View):                                   
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.current_location = None
        self.image = ui.Image('test:Mandrill')
        self.iv = ui.ImageView(image=self.image)
        self.add_subview(self.iv)
                                  
    def touch_began(self, touch):
        self.current_location = touch.location
        
    def change_size(self):
        self.remove_subview(self.iv) 
        self.iv = ui.ImageView(frame=(0,0,self.width, self.height), image=self.image)
        self.add_subview(self.iv)   
        
    def touch_moved(self, touch):
        sgindex = self.superview['segmentedcontrol1'].selected_index
        x,y = touch.location
        if self.current_location:
            x1, y1 = self.current_location 
        else:
            self.current_location = x,y
            return 
        self.current_location = x,y                              
        if sgindex == 0:
            self.x += (x-x1)
            self.y += (y-y1)
        elif sgindex == 1:
            self.x += (x-x1)
        elif sgindex == 2:
            self.y += (y-y1)  
        elif sgindex == 3:
            self.width += (x-x1)
            self.height += (y-y1) 
            self.change_size()            
        elif sgindex == 4:
            self.width += (x-x1)
            self.change_size()         
        elif sgindex == 5:
            self.height += (y-y1) 
            self.change_size()          
                                                  
    def touch_ended(self, touch):
        self.current_location = None

v = ui.load_view()
v.present('sheet')

moveimage.pyui

[
  {
    "class" : "View",
    "attributes" : {
      "background_color" : "RGBA(1.000000,1.000000,1.000000,1.000000)",
      "tint_color" : "RGBA(0.000000,0.478000,1.000000,1.000000)",
      "enabled" : true,
      "border_color" : "RGBA(0.000000,0.000000,0.000000,1.000000)",
      "flex" : ""
    },
    "frame" : "{{0, 0}, {500, 500}}",
    "selected" : false,
    "nodes" : [
      {
        "class" : "View",
        "attributes" : {
          "name" : "view1",
          "corner_radius" : 0,
          "border_width" : 1,
          "class" : "View",
          "frame" : "{{244, 222}, {100, 100}}",
          "custom_class" : "MoveView",
          "uuid" : "0F68E9E0-8A86-4CEB-ABA8-81ABB150D594"
        },
        "frame" : "{{200, 200}, {100, 100}}",
        "selected" : false,
        "nodes" : [

        ]
      },
      {
        "class" : "SegmentedControl",
        "attributes" : {
          "flex" : "LR",
          "segments" : "xy|x|y|wh|w|h",
          "name" : "segmentedcontrol1",
          "action" : "",
          "class" : "SegmentedControl",
          "frame" : "{{234, 258}, {120, 29}}",
          "uuid" : "E37907E4-B4F6-45A5-B3AD-254417A14FB8"
        },
        "frame" : "{{25, 425}, {450, 50}}",
        "selected" : true,
        "nodes" : [

        ]
      }
    ]
  }
]