Adapt display to windows dimension.

1 files changed, 14 insertions, 2 deletions

diff --git a/src/argaze/__main__.py b/src/argaze/__main__.py
index 2091bfd..091b660 100644
--- a/src/argaze/__main__.py
+++ b/src/argaze/__main__.py
@@ -34,6 +34,7 @@ parser = argparse.ArgumentParser(description=__doc__.split('-')[0])
 parser.add_argument('context_file', metavar='CONTEXT_FILE', type=str, help='JSON context filepath')
 parser.add_argument('-v', '--verbose', action='store_true', default=False, help='enable verbose mode to print information in console')
 parser.add_argument('-p', '--pipe_path', metavar='PIPE_PATH', type=str, default=None, help='enable pipe communication to execute external commands')
+parser.add_argument('-x', '--display', metavar='DISPLAY', nargs="+", type=int, default=[1920, 1080], help='adapt windows to display dimension')
 parser.add_argument('--no-window', action='store_true', default=False, help='disable window mode')
 
 args = parser.parse_args()
@@ -53,6 +54,17 @@ if args.pipe_path is not None:
 
 	logging.info('%s pipe opened', args.pipe_path)
 
+def display(name, image, factor):
+	"""Adapt image to display dimension."""
+
+	display_size = tuple(args.display)
+	height, width, _ = image.shape
+	image_ratio = width/height
+
+	new_image_size = (int(display_size[1] * factor * image_ratio), int(display_size[1] * factor))
+
+	cv2.imshow(name, cv2.resize(image, dsize=new_image_size, interpolation=cv2.INTER_LINEAR))
+
 # Load context from JSON file
 with load(args.context_file) as context:
 
@@ -97,14 +109,14 @@ with load(args.context_file) as context:
 			if not args.no_window:
 
 				# Display context
-				cv2.imshow(context.name, context.image())
+				display(context.name, context.image(), 0.75)
 
 				# Head-mounted eye tracker case: display environment frames image
 				if issubclass(type(context.pipeline), ArCamera):
 
 					for scene_frame in context.pipeline.scene_frames():
 
-						cv2.imshow(scene_frame.name, scene_frame.image())
+						display(scene_frame.name, scene_frame.image(), 0.5)
 
 				# Key interaction
 				key_pressed = cv2.waitKey(10)