# compatibility with Casio fx-CG / USB Power Graphic 3

from casioplot import get_pixel, set_pixel, draw_string, show_screen, clear_screen

try:
  from ppn_all import *

  ppn_w, ppn_h, ppn_need_show = 384, 192, True

  # for TI-83P/84+ CE scripts
  ppn_conf_ce = [(0, 0, 0), 1, (1, 1), 30]
  def getPixel(x, y): return getPixel(x, y - ppn_conf_ce[3])
  def setPixel(x, y, c): setPixel(x, y - ppn_conf_ce[3], c)
  def setPen(s, t):
    s, t = int(s), int(t)
    ppn_conf_ce[1], ppn_conf_ce[2] = (s < 0 or s > 3) and 2 or s, t == 0 and (1, 1) or t == 1 and (2, 4) or t == 3 and (1, 4) or (4, 6)
  def setColor(c): ppn_conf_ce[0] = c
  def drawLine(x1, y1, x2, y2):
    x1, y1, x2, y2 = int(x1), int(y1), int(x2), int(y2)
    if (x2 - x1) ** 2 >= (y2 - y1) ** 2:
      if min(x1, x2) != x1: x1, y1, x2, y2 = x2, y2, x1, y1
      for k in range(x2 - x1 + 1):
        x = x1 + k
        if x % (ppn_conf_ce[2][1] * (ppn_conf_ce[1] + 1)) < ppn_conf_ce[2][0] * (ppn_conf_ce[1] + 1):
          y = int(y1 + (y2 - y1)*k/(x2 - x1))
          for i in range(-ppn_conf_ce[1], ppn_conf_ce[1] + 1, 1): set_pixel(x, y + i - ppn_conf_ce[3], ppn_conf_ce[0])
    else:
      if min(y1, y2) != y1: x1, y1, x2, y2 = x2, y2, x1, y1
      for k in range(y2 - y1 + 1):
        y = y1 + k
        if y % (ppn_conf_ce[2][1] * (ppn_conf_ce[1] + 1)) < ppn_conf_ce[2][0] * (ppn_conf_ce[1] + 1):
          x = int(x1 + (x2 - x1)*k/(y2 - y1))
          for i in range(-ppn_conf_ce[1], ppn_conf_ce[1] + 1, 1): set_pixel(x + i, y - ppn_conf_ce[3], ppn_conf_ce[0])
  def drawPolyLine(l):
    for k in range(len(l) - 1): drawLine(l[k][0], l[k][1], l[k + 1][0], l[k + 1][1])
  def drawRect(x, y, w, h):
    drawLine(x, y, x + w - 1, y)
    drawLine(x, y + h - 1, x + w - 1, y + h - 1)
    drawLine(x, y + 1, x, y + h - 2)
    drawLine(x + w - 1, y + 1, x + w - 1, y + h - 2)
  def fillRect(x, y, w, h):
    for i in range(h):
      for j in range(w): set_pixel(x + j, y + i - ppn_conf_ce[3], ppn_conf_ce[0])
  def drawString(s, x, y): draw_string(x, y - ppn_conf_ce[3], s, ppn_conf_ce[0], 'small')
  cls = clear_screen

  # for TI-Nspire Ndless scripts
  def getPx(x, y): return col_lst2int(get_pixel(x, y))
  def setPx(x, y, c): set_pixel(x, y, col_int2lst(c))
  def fill(c):
    c = col_int2lst(c)
    for i in range(ppn_h):
      for j in range(ppn_w): set_pixel(x + j, y + i, c)
  display = show_screen

  # for NumWorks scripts
  def fill_rect(x, y, w, h, c):
    for i in range(h):
      for j in range(w): set_pixel(x + j, y + i, c)

  def _has_color():
    set_pixel(0, 0, (0, 127, 255))
    _col = get_pixel(0, 0)
    return _col[0] != _col[1] or _col[1] != _col[2]

  ppn_has_color = _has_color()
  if not ppn_has_color and ppn_w == 384:
    ppn_w, ppn_h = 128, 64

except: myInternalException('Casio Graph 90/35+E II / fx-CG50 / fx-9750/9860GIII')