Crop

# Image Crop

import appuifw as A
import graphics as G
import keyboard
import powlite_fm

class Img:
 def __init__(self):
  self.run=0
  self.cx,self.cy=W/2,H/2
  self.lebar,self.tinggi=40,40
  self.curx,self.cury=0,0
  self.posx,self.posy=0,0
  self.speed=3
  self.save,self.crop=False,False
  self.gb=None
  self.path=u''
  A.app.screen='full'
  self.c = A.Canvas(redraw_callback=self.redraw,event_callback=kb.handle_event)
  A.app.body=self.c
  A.app.menu=[(u'Open Image',self.open)]
  A.app.exit_key_handler = self.stop

 def stop(self):
  self.run=0

 def redraw(self,x):
  if img:self.c.blit(img)

 def open(self):
  path=fm.AskUser(ext=['.jpg','.png'])
  if not path:return
  try:
   del self.gb
   self.path=path
   self.gb=G.Image.open(path)
  except:
   self.gb=None
  return self.gb

 def handle(self):
  # kiri
  if kb.is_down(0xe):
   self.crop=False
   self.curx-=self.speed
   if self.curx<0:
    self.curx=0
    self.posx+=self.speed
    if self.posx>0:self.posx=0

  # kanan
  elif kb.is_down(0xf):
   self.crop=False
   self.curx+=self.speed
   if self.gb.size[0]>=W:
    if self.curx+self.lebar>W:
     self.curx=W-self.lebar
     self.posx-=self.speed
     if self.posx<-(self.gb.size[0]-W):
      self.posx=-(self.gb.size[0]-W)
   else:
    if self.curx+self.lebar>self.gb.size[0]:
     self.curx=self.gb.size[0]-self.lebar
     self.posx=0

  # atas
  elif kb.is_down(0x10):
   self.crop=False
   self.cury-=self.speed
   if self.cury<0:
    self.cury=0
    self.posy+=self.speed
    if self.posy>0:self.posy=0

  # bawah
  elif kb.is_down(0x11):
   self.crop=False
   self.cury+=self.speed
   if self.gb.size[1]>=H:
    if self.cury+self.tinggi>H:
     self.cury=H-self.tinggi
     self.posy-=self.speed
     if self.posy<-(self.gb.size[1]-H):
      self.posy=-(self.gb.size[1]-H)
   else:
    if self.cury+self.tinggi>self.gb.size[1]:
     self.cury=self.gb.size[1]-self.tinggi
     self.posy=0

  # lebar -
  elif kb.is_down(0x34):
   self.crop=False
   self.lebar-=1
   if self.lebar>10:
    if self.posx<0:
     self.posx+=1
     if self.posx>0:self.posx=0
     self.curx=W-self.lebar
   if self.lebar<10:self.lebar=10

  # lebar +
  elif kb.is_down(0x36):
   self.crop=False
   self.lebar+=1
   if self.gb.size[0]>=W:
    if self.lebar>W:
     self.posx-=1
     if self.posx<-(self.gb.size[0]-W):
      self.posx=-(self.gb.size[0]-W)
      self.lebar=self.gb.size[0]
     self.curx=W-self.lebar
   else:
    if self.curx+self.lebar>self.gb.size[0]:
     self.posx=0
     self.lebar=self.gb.size[0]-self.curx

  # tinggi -
  elif kb.is_down(0x32):
   self.crop=False
   self.tinggi-=1
   if self.tinggi>10:
    if self.posy<0:
     self.posy+=1
     if self.posy>0:
      self.posy=0
     self.cury=H-self.tinggi
   if self.tinggi<10:self.tinggi=10

  # tinggi +
  elif kb.is_down(0x38):
   self.crop=False
   self.tinggi+=1
   if self.gb.size[1]>=H:
    if self.tinggi>H:
     self.posy-=1
     if self.posy<-(self.gb.size[1]-H):
      self.posy=-(self.gb.size[1]-H)
      self.tinggi=self.gb.size[1]
     self.cury=H-self.tinggi
   else:
    if self.cury+self.tinggi>self.gb.size[1]:
     self.posy=0
     self.tinggi=self.gb.size[1]-self.cury

  # 5 preview
  elif kb.pressed(0x35):
   self.crop=True

  # hash simpan
  elif kb.pressed(0x7f):
   self.save=True

 def running(self):
  self.run=1
  while self.run:
   img.clear(0)
   if self.gb:
    img.blit(self.gb,target=(self.posx,self.posy))
    if not self.crop:
     # kursor
     img.rectangle((self.curx,self.cury,self.curx+self.lebar,self.cury+self.tinggi),0xff0000)
    else:
     img.rectangle((4,4,4+self.lebar+2,4+self.tinggi+2),0x00ff00)
     # preview
     img.blit(self.gb,target=(5,5),source=(self.curx-self.posx,self.cury-self.posy,self.curx-self.posx+self.lebar,self.cury-self.posy+self.tinggi))
    if self.save:
     new=G.Image.new((self.lebar,self.tinggi))
     new.blit(self.gb,target=(0,0),source=(self.curx-self.posx,self.cury-self.posy,self.curx-self.posx+self.lebar,self.cury-self.posy+self.tinggi))
     new.save(self.path[:-4]+'_crop_%d_x_%d.jpg' %(self.lebar,self.tinggi))
     self.save=False
     A.note(u'Save OK')
   else:
    # no image
    img.text((5,15),u'Select Image',0xffffff,'legend')
   self.redraw(0)
   A.e32.ao_sleep(1e-04)
   if self.gb:self.handle()



fm=powlite_fm.manager()
kb=keyboard.Keyboard()
W,H=G.sysinfo.display_pixels()
img=G.Image.new((W,H))
Img().running()