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bugfix

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This commit is contained in:
yumoqing 2021-07-01 11:33:03 +08:00
parent 75c426259b
commit 077ab42ad7
1 changed files with 26 additions and 32 deletions
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58
kivyblocks/custom_camera.py
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@ -25,22 +25,29 @@ class CustomCamera(XCamera):
super(CustomCamera, self).__init__(**kwargs)
self.isAndroid = kivy.platform == "android"
self.app = App.get_running_app()
self.angle = 270
def on_tex(self, camera):
super(CustomCamera, self).on_tex(camera)
image = np.frombuffer(camera.texture.pixels, dtype='uint8')
image = image.reshape(camera.texture.height, camera.texture.width, -1)
x = 0
if self.isAndroid:
x = self.app.get_rotation()
if not x:
x = 1
angle = self.angle_map[x]
with canvas.before:
PushMatrix()
Rotate(**{
angle: angle,
axis: (0, 0, 1),
origin: self.center})
with canvas.after:
PopMatrix()
if x > 0:
image = np.rot90(image,x)
image = cv2.cvtColor(image, cv2.COLOR_RGBA2BGR)
if self.detectFaces:
_image, faceRect = face_detection(image, (0, 255, 0, 255), self.angle)
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGBA)
numpy_data = image.tostring()
self.texture.blit_buffer(numpy_data, bufferfmt="ubyte", colorfmt='rgba')
self.texture_size = list(self.texture.size)
self.canvas.ask_update()
return
def change_index(self, *args):
new_index = 1 if self.index == 0 else 0
@ -48,26 +55,16 @@ class CustomCamera(XCamera):
self.index = new_index
self.angle = -90 if self.index == 0 else 90
def on_tex(self, *l):
image = np.frombuffer(self.texture.pixels, dtype='uint8')
image = image.reshape(self.texture.height, self.texture.width, -1)
image = cv2.cvtColor(image, cv2.COLOR_RGBA2BGR)
if self.detectFaces:
image, faceRect = face_detection(image, (0, 255, 0, 255), self.angle)
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGBA)
numpy_data = image.tostring()
self.texture.blit_buffer(numpy_data, bufferfmt="ubyte", colorfmt='rgba')
super(CustomCamera, self).on_tex(self.texture)
def get_cameras_count(self):
cameras = 1
if self.isAndroid:
cameras = self._camera.get_camera_count()
return cameras
def dismiss(self, *args, **kw):
self.play = False
cv2.destroyAllWindows()
class QrReader(CustomCamera):
def __init__(self, **kw):
super(QrReader, self).__init__(**kw)
@ -84,7 +81,9 @@ class QrReader(CustomCamera):
def on_data(self, d):
print('data=',d)
def on_tex(self, *l):
def on_tex(self, camera):
print('QrReader().on_tex() ....')
super(QrReader, self).on_tex(camera)
image = np.frombuffer(self.texture.pixels, dtype='uint8')
image = image.reshape(self.texture.height, self.texture.width, -1)
image = cv2.cvtColor(image, cv2.COLOR_RGBA2BGR)
@ -92,9 +91,4 @@ class QrReader(CustomCamera):
if self.qr_result:
print('qr read done')
self.dispatch('on_data',self.qr_result)
super(QrReader, self).on_tex(self.texture)
def dismiss(self, *args, **kw):
self.play = False
cv2.destroyAllWindows()