Adding upstream version 0.23.93.upstream/0.23.93upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 95 insertions, 0 deletions

diff --git a/python/examples/processor.py b/python/examples/processor.py
new file mode 100644
index 0000000..b8f20f0
--- /dev/null
+++ b/python/examples/processor.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+from sys import argv
+import zbar
+
+# create a Processor
+proc = zbar.Processor()
+
+# configure the Processor
+proc.parse_config('enable')
+
+# initialize the Processor
+device = '/dev/video0'
+if len(argv) > 1:
+    device = argv[1]
+proc.init(device)
+
+# setup a callback
+def my_handler(proc, image, closure):
+    # extract results
+    for symbol in image.symbols:
+        # do something useful with results
+        print('decoded', symbol.type, 'symbol', '"%s"' % symbol.data)
+
+proc.set_data_handler(my_handler)
+
+# enable the preview window
+proc.visible = True
+
+# initiate scanning
+proc.active = True
+try:
+    # keep scanning until user provides key/mouse input
+    proc.user_wait()
+except zbar.WindowClosed as e:
+    pass
diff --git a/python/examples/read_one.py b/python/examples/read_one.py
new file mode 100644
index 0000000..7a18c99
--- /dev/null
+++ b/python/examples/read_one.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+from sys import argv
+import zbar
+
+# create a Processor
+proc = zbar.Processor()
+
+# configure the Processor
+proc.parse_config('enable')
+
+# initialize the Processor
+device = '/dev/video0'
+if len(argv) > 1:
+    device = argv[1]
+proc.init(device)
+
+# enable the preview window
+proc.visible = True
+
+# read at least one barcode (or until window closed)
+proc.process_one()
+
+# hide the preview window
+proc.visible = False
+
+# extract results
+for symbol in proc.results:
+    # do something useful with results
+    print('decoded', symbol.type, 'symbol', '"%s"' % symbol.data)
diff --git a/python/examples/scan_image.py b/python/examples/scan_image.py
new file mode 100644
index 0000000..e26cb42
--- /dev/null
+++ b/python/examples/scan_image.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+from sys import argv
+import zbar
+from PIL import Image
+
+if len(argv) < 2: exit(1)
+
+# create a reader
+scanner = zbar.ImageScanner()
+
+# configure the reader
+scanner.parse_config('enable')
+
+# obtain image data
+pil = Image.open(argv[1]).convert('L')
+width, height = pil.size
+raw = pil.tobytes()
+
+# wrap image data
+image = zbar.Image(width, height, 'Y800', raw)
+
+# scan the image for barcodes
+scanner.scan(image)
+
+# extract results
+for symbol in image:
+    # do something useful with results
+    print('decoded', symbol.type, 'symbol', '"%s"' % symbol.data)
+
+# clean up
+del(image)