working image compression

.gitignore

@@ -1 +1,2 @@
 keys.py
+*.pyc

image_convert.py

@@ -1,4 +1,6 @@
 from PIL import Image
+import io
+
 
 class ImageShrink:
     """Shrinks a given image (bytearray) to a given resolution (width, height)"""
@@ -7,20 +9,23 @@ class ImageShrink:
     def __init__(self) -> None:
         pass
 
-    def convert(self, image: bytearray) -> bytearray:
+    def convert(self, image: bytearray) -> Image:
+        # load image from bytearray
+        image = Image.open(io.BytesIO(image))
+        image.show()
         image = self.shrink(image)
+        image.show()
         image = self.convert_to_black_and_white(image)
         image.show()
 
 
-    def shrink(self, image: bytearray) -> bytearray:
+    def shrink(self, image: Image) -> Image:
         """"Shrinks a given image (bytearray) to a given resolution (width, height)"""
-        img = Image.frombytes()
+        image.thumbnail(self.resolution)
-        img = Image.open(image)
+        return image
-        img.thumbnail(self.resolution)
-        return img
 
-    def convert_to_black_and_white(self, image: bytearray) -> bytearray:
+
-        img = Image.open(image)
+    def convert_to_black_and_white(self, image: Image) -> Image:
-        img = img.convert("L")
+        # img = Image.open(image)
-        return img
+        image = image.convert("L")
+        return image

image_get.py

@@ -8,6 +8,7 @@ import keys
 class ImageGetException(Exception):
     pass
 
+
 class ImageGetter:
     headers = {
         "x-api-key": keys.immich_api_key
@@ -40,7 +41,6 @@ class ImageGetter:
 
 
     def get_image_file(self, image_id: str) -> bytearray:
-
         url = keys.immich_api_root_url + "asset/download/" + image_id
 
         headers = self.headers | {"Accept": "application/octet-stream"}
@@ -49,8 +49,3 @@ class ImageGetter:
             raise ImageGetException("Error in step get_image_file: " + str(response.status_code))
             
         return response.content
-
-
-T = ImageGetter()
-# print(T.get_random_image())
-T.get_random_image()

image_show.py

@@ -0,0 +1,69 @@
+import time
+from PIL import Image,ImageDraw,ImageFont
+import traceback
+
+
+epd = epd7in5_V2.EPD()
+
+logging.info("init and Clear")
+epd.init()
+epd.Clear()
+
+font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
+font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
+
+# Drawing on the Horizontal image
+logging.info("1.Drawing on the Horizontal image...")
+Himage = Image.new('1', (epd.width, epd.height), 255)  # 255: clear the frame
+draw = ImageDraw.Draw(Himage)
+draw.text((10, 0), 'hello world', font = font24, fill = 0)
+draw.text((10, 20), '7.5inch e-Paper', font = font24, fill = 0)
+draw.text((150, 0), u'微雪电子', font = font24, fill = 0)
+draw.line((20, 50, 70, 100), fill = 0)
+draw.line((70, 50, 20, 100), fill = 0)
+draw.rectangle((20, 50, 70, 100), outline = 0)
+draw.line((165, 50, 165, 100), fill = 0)
+draw.line((140, 75, 190, 75), fill = 0)
+draw.arc((140, 50, 190, 100), 0, 360, fill = 0)
+draw.rectangle((80, 50, 130, 100), fill = 0)
+draw.chord((200, 50, 250, 100), 0, 360, fill = 0)
+epd.display(epd.getbuffer(Himage))
+time.sleep(2)
+
+# Drawing on the Vertical image
+logging.info("2.Drawing on the Vertical image...")
+Limage = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame
+draw = ImageDraw.Draw(Limage)
+draw.text((2, 0), 'hello world', font = font18, fill = 0)
+draw.text((2, 20), '7.5inch epd', font = font18, fill = 0)
+draw.text((20, 50), u'微雪电子', font = font18, fill = 0)
+draw.line((10, 90, 60, 140), fill = 0)
+draw.line((60, 90, 10, 140), fill = 0)
+draw.rectangle((10, 90, 60, 140), outline = 0)
+draw.line((95, 90, 95, 140), fill = 0)
+draw.line((70, 115, 120, 115), fill = 0)
+draw.arc((70, 90, 120, 140), 0, 360, fill = 0)
+draw.rectangle((10, 150, 60, 200), fill = 0)
+draw.chord((70, 150, 120, 200), 0, 360, fill = 0)
+epd.display(epd.getbuffer(Limage))
+time.sleep(2)
+
+logging.info("3.read bmp file")
+Himage = Image.open(os.path.join(picdir, '7in5_V2.bmp'))
+epd.display(epd.getbuffer(Himage))
+time.sleep(2)
+
+logging.info("4.read bmp file on window")
+Himage2 = Image.new('1', (epd.width, epd.height), 255)  # 255: clear the frame
+bmp = Image.open(os.path.join(picdir, '100x100.bmp'))
+Himage2.paste(bmp, (50,10))
+epd.display(epd.getbuffer(Himage2))
+time.sleep(2)
+
+logging.info("Clear...")
+epd.init()
+epd.Clear()
+
+logging.info("Goto Sleep...")
+epd.sleep()
+