Changeset 439 for pkpgcounter/trunk/pkpgpdls/inkcoverage.py

Timestamp:

12/10/06 19:15:07 (18 years ago)

Author:

jerome

Message:

Now recognizes the GC pseudo colorspace to differentiate
between grayscale and coloured pages.

Files:

• pkpgcounter/trunk/pkpgpdls/inkcoverage.py (modified) (3 diffs)

pkpgcounter/trunk/pkpgpdls/inkcoverage.py

@@ -64 +64 @@
            }
         
+def getPercentGC(img, nbpix) :        
+    """Determines if a page is in grayscale or colour mode."""
+    result = getPercentCMYK(img, nbpix)
+    if result["C"] == result["M"] == result["Y"] == 0.0 :
+        return { "G" : 100.0, "C" : 0.0 }
+    else :    
+        return { "G" : 0.0, "C" : 100.0 }
+    
 def getPercentBW(img, nbpix) :
     """Extracts the percents of Black from a picture, once converted to gray levels."""
@@ -92 +100 @@
     colorspace = colorspace.upper()
     computation = globals()["getPercent%s" % colorspace]
-    if colorspace == "CMYK" : # faster with psyco on my machine
+    if colorspace in ("CMYK", "GC") : # faster with psyco on my machine
         try :
             import psyco
@@ -98 +106 @@
             pass
         else :    
-            psyco.bind(computation)
+            psyco.bind(getPercentCMYK)
     
     index = 0