[Plplot-cvs] SF.net SVN: plplot:[11708] trunk

[<hez...@us...>]

Revision: 11708
          http://plplot.svn.sourceforge.net/plplot/?rev=11708&view=rev
Author:   hezekiahcarty
Date:     2011-04-17 22:00:13 +0000 (Sun, 17 Apr 2011)

Log Message:
-----------
Add plscmap1_range and plgcmap1_range

These functions set/get the recently added color map 1 range stream
attributes.

Modified Paths:
--------------
    trunk/include/plplot.h
    trunk/src/plctrl.c

Modified: trunk/include/plplot.h
===================================================================
--- trunk/include/plplot.h	2011-04-17 21:59:08 UTC (rev 11707)
+++ trunk/include/plplot.h	2011-04-17 22:00:13 UTC (rev 11708)
@@ -732,6 +732,8 @@
 #define    plscmap1l                c_plscmap1l
 #define    plscmap1la               c_plscmap1la
 #define    plscmap1n                c_plscmap1n
+#define    plscmap1_range           c_plscmap1_range
+#define    plgcmap1_range           c_plgcmap1_range
 #define    plscol0                  c_plscol0
 #define    plscol0a                 c_plscol0a
 #define    plscolbg                 c_plscolbg
@@ -1531,6 +1533,16 @@
 PLDLLIMPEXP void
 c_plscmap1n( PLINT ncol1 );
 
+// Set the color map 1 range used in continuous plots
+
+PLDLLIMPEXP void
+c_plscmap1_range( PLFLT min_color, PLFLT max_color );
+
+// Get the color map 1 range used in continuous plots
+
+PLDLLIMPEXP void
+c_plgcmap1_range( PLFLT *min_color, PLFLT *max_color );
+
 // Set a given color from color map 0 by 8 bit RGB value
 
 PLDLLIMPEXP void

Modified: trunk/src/plctrl.c
===================================================================
--- trunk/src/plctrl.c	2011-04-17 21:59:08 UTC (rev 11707)
+++ trunk/src/plctrl.c	2011-04-17 22:00:13 UTC (rev 11708)
@@ -782,6 +782,56 @@
 }
 
 //--------------------------------------------------------------------------
+//! Set the color map 1 value range to use in continuous color plots.
+//!
+//! @param min_color Specifies the minimum color to use.  A value of 0.0 or
+//! less indicates that the range should start at the lowest color map 1
+//! value available.
+//! @param max_color Specifies the maximum color to use.  A value of 1.0 or
+//! greater indicates that the range should exten to the highest color map 1
+//! value available.
+//!
+//! If min_color > max_color or min_color is greater than 1.0 or max_color is
+//! less than 0.0 then no change is made.
+//--------------------------------------------------------------------------
+
+void
+c_plscmap1_range( PLFLT min_color, PLFLT max_color )
+{
+    if ( min_color > max_color || max_color < 0.0 || min_color > 1.0 )
+    {
+        plwarn( "plscmap1_range called with invalid color range" );
+        return;
+    }
+    if ( min_color < 0.0 )
+    {
+        plwarn( "plscmap1_range called with a negative minimum color value" );
+        min_color = 0.0;
+    }
+    if ( max_color > 1.0 )
+    {
+        plwarn( "plscmap1_range called with an out of range maximum color value" );
+        max_color = 1.0;
+    }
+    plsc->cmap1_min = min_color;
+    plsc->cmap1_max = max_color;
+}
+
+//--------------------------------------------------------------------------
+//! Get the color map 1 value range used in continuous color plots.
+//!
+//! @param min_color Specifies the minimum color used.
+//! @param max_color Specifies the maximum color used.
+//--------------------------------------------------------------------------
+
+void
+c_plgcmap1_range( PLFLT *min_color, PLFLT *max_color )
+{
+    *min_color = plsc->cmap1_min;
+    *max_color = plsc->cmap1_max;
+}
+
+//--------------------------------------------------------------------------
 // plscmap0n()
 //
 // Set number of colors in cmap 0, (re-)allocate cmap 0, and fill with


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.