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キャプチャ映像上でのトリム画像保存機能を作成 #17

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キャプチャ映像上でのトリム画像保存機能を作成 #17

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12 changes: 9 additions & 3 deletions SerialController/Camera.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,16 +35,22 @@ def readFrame(self):
_, self.image_bgr = self.camera.read()
return self.image_bgr

def saveCapture(self):
# box(for trim) format: (left, right, up, bottom)
def saveCapture(self, box=None):
dt_now = datetime.datetime.now()
fileName = dt_now.strftime('%Y-%m-%d_%H-%M-%S')+".png"

if not os.path.exists(self.capture_dir):
os.makedirs(self.capture_dir)

save_path = os.path.join(self.capture_dir, fileName)
cv2.imwrite(save_path, self.image_bgr)
print('capture succeeded: ' + save_path)

try:
image = self.image_bgr if box is None else self.image_bgr[box[2]:box[3], box[0]:box[1]]
cv2.imwrite(save_path, image)
print('capture succeeded: ' + save_path)
except:
print('capture failed')

def destroy(self):
if self.camera is not None and self.camera.isOpened():
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20 changes: 20 additions & 0 deletions SerialController/GuiAssets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,11 @@ def __init__(self, camera, fps, is_show, master=None):
self.camera = camera
self.show_size = (640, 360)
self.is_show_var = is_show
self.is_trim_mode = False

self.setFps(fps)
self.bind("<ButtonPress-1>", self.mouseLeftDown)
self.bind("<ButtonRelease-1>", self.mouseLeftUp)

# Set disabled image first
disabled_img = cv2.imread("../Images/disabled.png", cv2.IMREAD_GRAYSCALE)
Expand All @@ -33,6 +35,24 @@ def mouseLeftDown(self, event):
ratio_x = float(self.camera.capture_size[0] / self.show_size[0])
ratio_y = float(self.camera.capture_size[1] / self.show_size[1])
print('mouse down: show ({}, {}) / capture ({}, {})'.format(x, y, int(x * ratio_x), int(y * ratio_y)))

self.is_trim_mode = True
self.down_trim_x = int(x * ratio_x)
self.down_trim_y = int(y * ratio_y)

def mouseLeftUp(self, event):
x, y = event.x, event.y
ratio_x = float(self.camera.capture_size[0] / self.show_size[0])
ratio_y = float(self.camera.capture_size[1] / self.show_size[1])
up_trim_x = int(x * ratio_x)
up_trim_y = int(y * ratio_y)
print('mouse up: show ({}, {}) / capture ({}, {})'.format(x, y, up_trim_x, up_trim_y))

if self.is_trim_mode:
self.camera.saveCapture(
(min(self.down_trim_x, up_trim_x), max(self.down_trim_x, up_trim_x),
min(self.down_trim_y, up_trim_y), max(self.down_trim_y, up_trim_y)))
self.is_trim_mode = False

def startCapture(self):
self.capture()
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