更新支持mixgo_sowl/ESP32C5的板载库

boards/default_src/micropython/origin/build/lib/image.py

@@ -0,0 +1,87 @@
+"""
+Iamge
+
+MicroPython library for the Iamge(jpeg C module)
+=======================================================
+@dahanzimin From the Mixly Team
+"""
+import gc
+import urequests
+from base64 import b64encode
+from jpeg import Encoder, Decoder
+
+class IMG:
+    def __init__(self, image, width, height):
+        self.image = image
+        self.width = width
+        self.height = height
+        self.format = "RGB565"
+
+class Image:
+    def save(self, img, path="mixly.jpg", **kwargs):
+        '''quality(1-100), rotation (0, 90, 180, 270)'''
+        _encoder = Encoder(pixel_format="RGB565_BE", width=img.width, height=img.height, **kwargs)
+        _jpeg = _encoder.encode(img.image)
+        del _encoder
+        gc.collect()
+        if isinstance(path, str):
+            with open(path, 'wb') as f:
+                f.write(_jpeg)
+        else:
+            return _jpeg
+
+    def open(self, path="mixly.jpg", scale_width=None, scale_height=None, tft_width=240, tft_height=240, **kwargs):
+        '''rotation (0, 90, 180, 270), clipper_width, clipper_height'''
+        with open(path, "rb") as f:
+            _jpeg = f.read()
+        return self._jpg_decoder(_jpeg, scale_width, scale_height, tft_width, tft_height, **kwargs)
+
+    def convert(self, img, formats=0, **kwargs):
+        if formats == 0:
+            return self.save(img, None, **kwargs)
+        elif formats == 1:
+            return b'data:image/jpg;base64,' + b64encode(self.save(img, None, **kwargs))
+
+    def download(self, url, path=None, scale_width=None, scale_height=None, tft_width=240, tft_height=240, block=1024, **kwargs):
+        '''rotation (0, 90, 180, 270), clipper_width, clipper_height'''
+        response = urequests.get(url, stream=True)
+        if path is None:
+            _image = self._jpg_decoder(response.raw.read(), scale_width, scale_height, tft_width, tft_height, **kwargs)
+            response.close()
+            return _image
+        else:
+            with open(path, 'wb') as f:
+                while True:
+                    _data = response.raw.read(block)
+                    if not _data:
+                        break
+                    else:
+                        f.write(_data)
+            response.close()
+
+    def _jpg_decoder(self, jpg, scale_width, scale_height, tft_width, tft_height, **kwargs):
+        '''Automatically zoom based on the screen'''
+        if scale_width is None or scale_height is None:
+            _width = tft_width
+            _height = tft_height
+            for i in range(min(len(jpg), 1024)):
+                if jpg[i] == 0xFF and (jpg[i + 1] & 0xF0) == 0xC0:
+                    if jpg[i + 1] not in [0xC4, 0xC8, 0xCC]:
+                        _width = jpg[i + 7] << 8 | jpg[i + 8]
+                        _height = jpg[i + 5] << 8| jpg[i + 6]
+                        break
+            if _width > tft_width or _height > tft_height:
+                _scale = max(_width / tft_width, _height / tft_height) * 8
+                _decoder = Decoder(pixel_format="RGB565_BE", scale_width=round(_width / _scale) * 8, scale_height=round(_height / _scale) * 8, **kwargs)
+            else:
+                _decoder = Decoder(pixel_format="RGB565_BE", **kwargs)
+        else:
+            _decoder = Decoder(pixel_format="RGB565_BE", scale_width=scale_width // 8 * 8, scale_height=scale_height // 8 * 8, **kwargs)
+        _info = _decoder.get_img_info(jpg)
+        _image = IMG(_decoder.decode(jpg), _info[0], _info[1])
+        del _decoder, jpg
+        gc.collect()
+        return _image
+
+#图像处理
+Image = Image()