capture class

[imago.git] / capture.py

diff --git a/capture.py b/capture.py
index 98ad7be..963f6ed 100755 (executable)
--- a/capture.py
+++ b/capture.py
@@ -1,9 +1,11 @@
 #!/usr/bin/env python
 
-"""Go image capture."""
+"""Go image capture"""
 
+import os
 import sys
 import argparse
+import time
 
 import pygame
 from pygame.locals import QUIT, KEYDOWN
@@ -12,9 +14,9 @@ import Image
 from camera import Camera
 
 class Screen:
-    def __init__(self):
+    def __init__(self, res):
         pygame.init()
-        pygame.display.set_mode((640,480))
+        pygame.display.set_mode(res)
         pygame.display.set_caption("Go image capture")
         self._screen = pygame.display.get_surface()
 
@@ -23,37 +25,88 @@ class Screen:
         self._screen.blit(pg_img, (0,0))
         pygame.display.flip()
 
+class Capture:
+    def __init__(self, device, res):
+        self.cam = Camera(vid=device, res=res)
+        self.screen = Screen(res)
+
+        self.im_number = 0
+
+        self.saving_dir = "./captured/" + time.strftime("%Y-%m-%d %H:%M/")
+
+        if not os.path.isdir(self.saving_dir):
+            os.makedirs(self.saving_dir)
+
+    def __del__(self):
+        del self.cam
+
+    def live(self):
+        done = False
+        clock = pygame.time.Clock()
+        while not done: #live preview
+            for event in pygame.event.get():
+                if event.type == pygame.QUIT:
+                    done = True
+                    sys.exit()
+                if event.type == pygame.KEYDOWN:
+                    done = True
+
+            im = self.cam.get_image()
+            self.screen.display_picture(im)
+            clock.tick(5)
+
+    def auto(self, interval):
+        last = 0
+        clock = pygame.time.Clock()
+        done = False
+
+        while not done:
+            for event in pygame.event.get():
+                if event.type == pygame.QUIT:
+                    done = True
+            if time.time() - last > interval:
+                last = time.time()
+                im = self.cam.get_image()
+                self.screen.display_picture(im)
+                im.save(self.saving_dir + "{0:0>3}.jpg".format(self.im_number), 'JPEG')
+                self.im_number += 1
+            clock.tick(15)
+
+    def manual(self):
+        while True:
+            event = pygame.event.wait()
+            if event.type == QUIT:
+                break
+            if event.type != KEYDOWN:
+                continue
+
+            im = cam.get_image()
+            self.screen.display_picture(im)
+            im.save(self.saving_dir + "{0:0>3}.jpg".format(self.im_number), 'JPEG')
+            self.im_number += 1
+
+
 
 def main():
     parser = argparse.ArgumentParser(description=__doc__)
-    #parser.add_argument('file', metavar='file', nargs=1,
-    #                    help="image to analyse")
-    #parser.add_argument('-w', type=int, default=640,
-    #                    help="scale image to the specified width before analysis")
-    parser.add_argument('-d', '--device', type=int, default=0,
-                        help="number of video device to use")
-    #parser.add_argument('-s', '--save', dest='do_something', action='store_const',
-    #                    const=image_save, default=im_debug.show,
-    #                    help="save images instead of displaying them")
+    parser.add_argument('-d', type=int, default=0,
+                        help="video device id")
+    parser.add_argument('-a', type=int, default=0,
+                        help="take picture automaticaly every A seconds")
+    parser.add_argument('-r', type=int, nargs=2, default=[640, 480],
+                        help="set camera resolution")
     args = parser.parse_args()
 
-    cam = Camera(device=args.device)
-    screen = Screen()
-
-    im = cam.get_image()
-    screen.display_picture(im)
+    res=(args.r[0], args.r[1])
+    capture = Capture(args.d, res)
 
-    im_number = 0
+    capture.live()
 
-    while True:
-        event = pygame.event.wait()
-        if event.type == QUIT:
-            break
-        elif event.type == KEYDOWN:
-            im = cam.get_image()
-            screen.display_picture(im)
-            im.save("./captured/{0:0>3}.jpg".format(im_number), 'JPEG')
-            im_number += 1
+    if args.a > 0:
+        capture.auto(args.a)
+    else:
+        capture.manual()
+    del capture
     
 if __name__ == '__main__':
     try: