From 9b31f10905a6b59fab51ceede4b1a5159840db11 Mon Sep 17 00:00:00 2001
From: cramakri <cramakri>
Date: Wed, 24 Aug 2011 13:52:28 +0000
Subject: [PATCH] LMS-2472 Initial check-in of python script to generate plate
images.
SVN: 22624
---
.../python/screening/image-generator.py | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100644 test-data/source/python/screening/image-generator.py
diff --git a/test-data/source/python/screening/image-generator.py b/test-data/source/python/screening/image-generator.py
new file mode 100644
index 00000000000..0e76ca04079
--- /dev/null
+++ b/test-data/source/python/screening/image-generator.py
@@ -0,0 +1,62 @@
+#!/usr/bin/python
+
+# image-generator.py
+#
+# Create bitmap images in python
+#
+
+from Quartz import *
+from Cocoa import *
+from LaunchServices import * # for kUTTypePNG
+import math
+
+cs = CGColorSpaceCreateDeviceRGB()
+
+def write_to_file(ctx, filename):
+ image = CGBitmapContextCreateImage(ctx)
+ fileUrl = NSURL.fileURLWithPath_(filename)
+ dest = CGImageDestinationCreateWithURL(fileUrl, kUTTypePNG, 1, None);
+ CGImageDestinationAddImage(dest, image, None);
+ CGImageDestinationFinalize(dest);
+
+
+def createBitmap(text, filename):
+ pixelsWide = 256
+ pixelsHigh = 256
+ bitmapBytesPerRow = (pixelsWide * 4);
+ bitmapByteCount = (bitmapBytesPerRow * pixelsHigh);
+
+ # Create an RGB bitmap context, transparent black background, 256x256
+ ctx = CGBitmapContextCreate(None, pixelsWide, pixelsHigh, 8, bitmapBytesPerRow, cs, kCGImageAlphaPremultipliedLast)
+
+ # Draw a yellow square with a red outline in the center
+
+ with CGSavedGState(ctx):
+ CGContextSetRGBStrokeColor(ctx, 0, 0, 0, 1) # black
+ CGContextSetRGBFillColor(ctx, 0, 0, 0, 1) # black
+ CGContextAddRect(ctx, CGRectMake(32.5, 32.5, 191, 191))
+ CGContextDrawPath(ctx, kCGPathFillStroke)
+
+ with CGSavedGState(ctx):
+ CGContextSetRGBStrokeColor(ctx, 0, 0, 0, 1) # black
+ CGContextSetRGBFillColor(ctx, 1, 1, 1, 1) # white
+ CGContextSetTextMatrix(ctx, CGAffineTransformIdentity)
+ CGContextSelectFont(ctx, "Helvetica Neue", 36, kCGEncodingMacRoman)
+ CGContextSetTextDrawingMode(ctx, kCGTextFillStroke)
+ CGContextShowTextAtPoint(ctx, 40, 118, text, len(text))
+
+ # Draw some text at an angle (or not)
+ # c.saveGState()
+ # c.setRGBStrokeColor(0,0,0,1)
+ # c.setRGBFillColor(1,1,1,1)
+ # c.selectFont("Helvetica", 36, kCGEncodingMacRoman)
+ # c.setTextPosition(40, 118)
+ # c.setTextDrawingMode(kCGTextFillStroke)
+ # c.showText(text, len(text))
+ # c.restoreGState()
+
+ # Write the bitmap to disk in PNG format
+
+ write_to_file(ctx, filename)
+
+createBitmap("hi!", "out.png")
\ No newline at end of file
--
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