# HG changeset patch
# User Claus Gittinger <cg@exept.de>
# Date 1079789745 -3600
# Node ID 47f8b9588f175bcb55d1fe4ba1560814d57e68a9
# Parent  eedeb5ed8e91a06ea6e5d27b17166310cdfa6d36
rgb

diff -r eedeb5ed8e91 -r 47f8b9588f17 Depth24Image.st
--- a/Depth24Image.st	Sat Mar 20 14:28:14 2004 +0100
+++ b/Depth24Image.st	Sat Mar 20 14:35:45 2004 +0100
@@ -88,13 +88,7 @@
     gVal := bytes at:(index + 1).
     bVal := bytes at:(index + 2).
 
-    photometric ~~ #rgb ifTrue:[
-        ^ super colorAtX:x y:y
-    ].
     ^ Color redByte:rVal greenByte:gVal blueByte:bVal
-
-    "Created: 24.4.1997 / 17:32:47 / cg"
-    "Modified: 24.4.1997 / 21:32:37 / cg"
 !
 
 colorAtX:x y:y put:aColor
@@ -152,6 +146,13 @@
     "Created: 24.4.1997 / 17:06:33 / cg"
 !
 
+rgbValueAtX:x y:y
+    "retrieve a pixels rgb value at x/y; return a 24bit rgbValue (rrggbb, red is MSB).
+     Pixels start at 0@0 for upper left pixel, end at (width-1)@(height-1) for lower right pixel."
+
+    ^ self pixelAtX:x y:y.
+!
+
 rowAt:y putAll:pixelArray startingAt:startIndex
     "store a single rows bits from bits in the pixelArray argument;
      Return the pixelArray.
@@ -3002,6 +3003,12 @@
     ^ -16
 !
 
+rgbFromValue:pixelValue
+    "given a pixel value, return the corresponding 24bit rgbValue (rrggbb, red is MSB)."
+
+    ^ pixelValue
+!
+
 samplesPerPixel
     "return the number of samples per pixel in the image."
 
@@ -3018,5 +3025,5 @@
 !Depth24Image class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libview/Depth24Image.st,v 1.82 2003-07-04 14:19:27 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libview/Depth24Image.st,v 1.83 2004-03-20 13:35:45 cg Exp $'
 ! !