bug fix in wbutton.c, made mouse pointer go invisible when typing in

textfield, added option to Smooth workspaceBack

wrlib/context.c

@@ -2,7 +2,7 @@
  * 
  *  Raster graphics library
  * 
- *  Copyright (c) 1997 Alfredo K. Kojima
+ *  Copyright (c) 1997, 1998, 1999 Alfredo K. Kojima
  * 
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
@@ -34,6 +34,10 @@
 
 #include "wraster.h"
 
+
+extern void _wraster_change_filter(int type);
+
+
 static Bool bestContext(Display *dpy, int screen_number, RContext *context);
 
 static RContextAttributes DEFAULT_CONTEXT_ATTRIBS = {
@@ -44,7 +48,8 @@ static RContextAttributes DEFAULT_CONTEXT_ATTRIBS = {
 	0,
 	0,
 	0,
-	True				   /* use_shared_memory */
+	True,				   /* use_shared_memory */
+	RMitchellFilter
 };
 
 
@@ -409,7 +414,9 @@ RCreateContext(Display *dpy, int screen_number, RContextAttributes *attribs)
 
     /* get configuration from environment variables */
     gatherconfig(context, screen_number);
-    
+
+    _wraster_change_filter(context->attribs->scaling_filter);
+
     if ((context->attribs->flags & RC_VisualID)) {
 	XVisualInfo *vinfo, templ;
 	int nret;

wrlib/scale.c

@@ -275,6 +275,42 @@ double t;
     return(0.0);
 }
 
+static double (*filterf)() = Mitchell_filter;
+static double fwidth = Mitchell_support;
+
+void
+_wraster_change_filter(int type)
+{
+    switch (type) {
+     case RBoxFilter:
+	filterf = box_filter;
+	fwidth = box_support;
+	break;
+     case RTriangleFilter:
+	filterf = triangle_filter;
+	fwidth = triangle_support;
+	break;
+     case RBellFilter:
+	filterf = bell_filter;
+	fwidth = bell_support;
+	break;
+     case RBSplineFilter:
+	filterf = B_spline_filter;
+	fwidth = B_spline_support;
+	break;
+     case RLanczos3Filter:
+	filterf = Lanczos3_filter;
+	fwidth = Lanczos3_support;
+	break;
+     default:
+     case RMitchellFilter:
+	filterf = Mitchell_support;
+	fwidth = Mitchell_filter;
+	break;
+    }
+}
+
+
 /*
  *	image rescaling routine
  */
@@ -295,14 +331,9 @@ CLIST	*contrib;		/* array of contribution lists */
 #define CLAMP(v,l,h)    ((v)<(l) ? (l) : (v) > (h) ? (h) : v)
 
 
-static double (*filterf)() = Mitchell_filter;
-static double fwidth = Mitchell_support;
-
-
 RImage*
 RSmoothScaleImage(RImage *src, int newWidth, int newHeight)
-{
-    
+{    
     RImage *tmp;		       /* intermediate image */
     double xscale, yscale;	       /* zoom scale factors */
     int i, j, k;		       /* loop variables */

wrlib/wraster.h

@@ -68,6 +68,9 @@
 /* use default instead of best visual */
 #define RC_DefaultVisual	(1<<5)
 
+/* filter type for smoothed scaling */
+#define RC_ScalingFilter	(1<<6)
+
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */
@@ -81,6 +84,7 @@ typedef struct RContextAttributes {
     float bgamma;		       /* and blue */
     VisualID visualid;		       /* visual ID to use */
     int use_shared_memory;	       /* True of False */
+    int scaling_filter;
 } RContextAttributes;
 
 
@@ -174,6 +178,25 @@ typedef struct RXImage {
 #endif
 } RXImage;
 
+    
+
+/* image display modes */
+enum {
+    RDitheredRendering = 0,
+    RBestMatchRendering = 1
+};
+
+
+/* smoothed scaling filter types */
+enum {
+    RBoxFilter,
+	RTriangleFilter,
+	RBellFilter,
+	RBSplineFilter,
+	RLanczos3Filter,
+	RMitchellFilter
+};
+
 
 /* note that not all operations are supported in all functions */
 enum {
@@ -185,16 +208,6 @@ enum {
 };
 
 
-/* image display modes */
-enum {
-    RDitheredRendering = 0,
-    RBestMatchRendering = 1
-};
-
-/* bw compat */
-#define RM_DITHER RDitheredRendering
-#define RM_MATCH  RBestMatchRendering
-
 enum {
     RAbsoluteCoordinates = 0,
     RRelativeCoordinates = 1