# Copyright (c) 2014 Adafruit Industries
# Author: Tony DiCola
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import sys

from PIL import Image
import ST7735 as ST7735

print("""
image.py - Display an image on the LCD.

If you're using Breakout Garden, plug the 0.96" LCD (SPI)
breakout into the rear slot.
""")

if len(sys.argv) < 2:
    print("Usage: {} <image_file>".format(sys.argv[0]))
    sys.exit(1)

image_file = sys.argv[1]

# Create ST7735 LCD display class.
disp = ST7735.ST7735(
    port=0,
    cs=ST7735.BG_SPI_CS_FRONT,  # BG_SPI_CSB_BACK or BG_SPI_CS_FRONT
    dc=9,
    backlight=19,               # 18 for back BG slot, 19 for front BG slot.
    rotation=90,
    spi_speed_hz=4000000
)

WIDTH = disp.width
HEIGHT = disp.height

# Initialize display.
disp.begin()

# Load an image.
print('Loading image: {}...'.format(image_file))
image = Image.open(image_file)

# Resize the image
image = image.resize((WIDTH, HEIGHT))

# Draw the image on the display hardware.
print('Drawing image')

disp.display(image)