@@ -44,8 +44,8 @@ 
 BImage::BImage(BImageControl *c, unsigned int w, unsigned int h) {
   control = c;
 
-  width = ((signed) w > 0) ? w : 1;
-  height = ((signed) h > 0) ? h : 1;
+  width = (w > 0) ? w : 1;
+  height = (h > 0) ? h : 1;
 
   red = new unsigned char[width * height];
   green = new unsigned char[width * height];
@@ -66,18 +66,18 @@ }
 
 
 BImage::~BImage(void) {
-  if (red) delete [] red;
-  if (green) delete [] green;
-  if (blue) delete [] blue;
+  delete [] red;
+  delete [] green;
+  delete [] blue;
 }
 
 
 Pixmap BImage::render(const BTexture &texture) {
-  if ((texture.texture() & BTexture::Parent_Relative))
+  if (texture.texture() & BTexture::Parent_Relative)
     return ParentRelative;
-  else if ((texture.texture() & BTexture::Solid))
+  else if (texture.texture() & BTexture::Solid)
     return render_solid(texture);
-  else if ((texture.texture() & BTexture::Gradient))
+  else if (texture.texture() & BTexture::Gradient)
     return render_gradient(texture);
   return None;
 }
@@ -103,8 +103,7 @@ XFillRectangle(display, pixmap, pen.gc(), 0, 0, width, height);
 
   if (texture.texture() & BTexture::Interlaced) {
     BPen peninterlace(texture.colorTo());
-    register unsigned int i = 0;
-    for (; i < height; i += 2)
+    for (unsigned int i = 0; i < height; i += 2)
       XDrawLine(display, pixmap, peninterlace.gc(), 0, i, width, i);
   }
 
@@ -159,7 +158,7 @@ }
 
 
 Pixmap BImage::render_gradient(const BTexture &texture) {
- int inverted = 0;
+  bool inverted = False;
 
   interlaced = texture.texture() & BTexture::Interlaced;
 
@@ -167,12 +166,12 @@ if (texture.texture() & BTexture::Sunken) {
     from = texture.colorTo();
     to = texture.color();
 
-    if (! (texture.texture() & BTexture::Invert)) inverted = 1;
+    if (! (texture.texture() & BTexture::Invert)) inverted = True;
   } else {
     from = texture.color();
     to = texture.colorTo();
 
-    if (texture.texture() & BTexture::Invert) inverted = 1;
+    if (texture.texture() & BTexture::Invert) inverted = True;
   }
 
   control->getGradientBuffers(width, height, &xtable, &ytable);
@@ -191,9 +190,7 @@ else if (texture.texture() & BTexture::Bevel2) bevel2();
 
   if (inverted) invert();
 
-  Pixmap pixmap = renderPixmap();
-
-  return pixmap;
+  return renderPixmap();
 
 }
 
@@ -461,6 +458,8 @@ 
   unsigned int o = image->bits_per_pixel +
     ((image->byte_order == MSBFirst) ? 1 : 0);
 
+  bool unsupported = False;
+
   if (control->doDither() && width > 1 && height > 1) {
     switch (control->getVisual()->c_class) {
     case TrueColor:
@@ -478,23 +477,18 @@ break;
     }
 
     default:
-      fprintf(stderr, i18n(ImageSet, ImageUnsupVisual,
-                           "BImage::renderXImage: unsupported visual\n"));
-      delete [] d;
-      XDestroyImage(image);
-      return (XImage *) 0;
+      unsupported = True;
     }
   } else {
-    register unsigned int x, y, r, g, b, offset;
-
+    unsigned int x, y, r, g, b, offset;
     unsigned char *pixel_data = d, *ppixel_data = d;
     unsigned long pixel;
 
     switch (control->getVisual()->c_class) {
     case StaticColor:
     case PseudoColor:
-      for (y = 0, offset = 0; y < height; y++) {
-        for (x = 0; x < width; x++, offset++) {
+      for (y = 0, offset = 0; y < height; ++y) {
+        for (x = 0; x < width; ++x, ++offset) {
   	  r = red_table[red[offset]];
           g = green_table[green[offset]];
 	  b = blue_table[blue[offset]];
@@ -542,15 +536,20 @@ 
       break;
 
     default:
-      fprintf(stderr, i18n(ImageSet, ImageUnsupVisual,
-                           "BImage::renderXImage: unsupported visual\n"));
-      delete [] d;
-      XDestroyImage(image);
-      return (XImage *) 0;
+      unsupported = True;
     }
   }
 
+  if (unsupported) {
+    fprintf(stderr, i18n(ImageSet, ImageUnsupVisual,
+                         "BImage::renderXImage: unsupported visual\n"));
+    delete [] d;
+    XDestroyImage(image);
+    return (XImage *) 0;
+  }
+
   image->data = (char *) d;
+
   return image;
 }
 
@@ -571,7 +570,9 @@ 
   if (! image) {
     XFreePixmap(control->getBaseDisplay()->getXDisplay(), pixmap);
     return None;
-  } else if (! image->data) {
+  }
+
+  if (! image->data) {
     XDestroyImage(image);
     XFreePixmap(control->getBaseDisplay()->getXDisplay(), pixmap);
     return None;

@@ -37,7 +37,6 @@ #include "Color.hh"
 
 class BImageControl;
 class BTexture;
-class BImageCache;
 
 class BImage {
 private:
@@ -59,6 +58,8 @@ void OrderedPseudoColorDither(int bytes_per_line, unsigned char *pixel_data);
 #endif
 
   Pixmap renderPixmap(void);
+  Pixmap render_solid(const BTexture &texture);
+  Pixmap render_gradient(const BTexture &texture);
 
   XImage *renderXImage(void);
 
@@ -80,19 +81,6 @@ BImage(BImageControl *c, unsigned int w, unsigned int h);
   ~BImage(void);
 
   Pixmap render(const BTexture &texture);
-  Pixmap render_solid(const BTexture &texture);
-  Pixmap render_gradient(const BTexture &texture);
-
-  // static methods for the builtin cache
-  static unsigned long maximumCacheSize(void);
-  static void setMaximumCacheSize(const unsigned long cache_max);
-
-  static unsigned long cacheTimeout(void);
-  static void setCacheTimeout(const unsigned long cache_timeout);
-
-private:
-  // global image cache
-  static BImageCache *imagecache;
 };
 
 

@@ -65,8 +65,7 @@ 
 BImageControl::BImageControl(BaseDisplay *dpy, const ScreenInfo *scrn,
                              bool _dither, int _cpc,
                              unsigned long cache_timeout,
-                             unsigned long cmax)
-{
+                             unsigned long cmax) {
   if (! ctrl) ctrl = this;
 
   basedisplay = dpy;
@@ -364,8 +363,7 @@ 
   if (colors) {
     unsigned long *pixels = new unsigned long [ncolors];
 
-    int i;
-    for (i = 0; i < ncolors; i++)
+    for (int i = 0; i < ncolors; i++)
       *(pixels + i) = (*(colors + i)).pixel;
 
     XFreeColors(basedisplay->getXDisplay(), colormap, pixels, ncolors, 0);
@@ -381,9 +379,8 @@ "releasing %d pixmaps\n"), cache.size());
     //#endif
     CacheContainer::iterator it = cache.begin();
     const CacheContainer::iterator end = cache.end();
-    for (; it != end; ++it) {
-      XFreePixmap(basedisplay->getXDisplay(), (*it).pixmap);
-    }
+    for (; it != end; ++it)
+      XFreePixmap(basedisplay->getXDisplay(), it->pixmap);
   }
 #ifdef    TIMEDCACHE
   if (timer) {
@@ -405,8 +402,8 @@ CacheContainer::iterator it = cache.begin();
   const CacheContainer::iterator end = cache.end();
   for (; it != end; ++it) {
     CachedImage& tmp = *it;
-    if ((tmp.width == width) && (tmp.height == height) &&
-        (tmp.texture == texture) && (tmp.pixel1 == c1.pixel()))
+    if (tmp.width == width && tmp.height == height &&
+        tmp.texture == texture && tmp.pixel1 == c1.pixel())
       if (texture & BTexture::Gradient) {
         if (tmp.pixel2 == c2.pixel()) {
           tmp.count++;
@@ -514,9 +511,8 @@ unsigned int **xbuf,
 				       unsigned int **ybuf)
 {
   if (w > grad_buffer_width) {
-    if (grad_xbuffer) {
+    if (grad_xbuffer)
       delete [] grad_xbuffer;
-    }
 
     grad_buffer_width = w;
 
@@ -524,9 +520,8 @@ grad_xbuffer = new unsigned int[grad_buffer_width * 3];
   }
 
   if (h > grad_buffer_height) {
-    if (grad_ybuffer) {
+    if (grad_ybuffer)
       delete [] grad_ybuffer;
-    }
 
     grad_buffer_height = h;
 

@@ -116,8 +116,6 @@ else if (descr.find("pipecross") != string::npos)
         addTexture(BTexture::PipeCross);
       else if (descr.find("elliptic") != string::npos)
         addTexture(BTexture::Elliptic);
-      else if (descr.find("diagonal") != string::npos)
-        addTexture(BTexture::Diagonal);
       else if (descr.find("horizontal") != string::npos)
         addTexture(BTexture::Horizontal);
       else if (descr.find("vertical") != string::npos)
@@ -128,9 +126,7 @@ } else {
       addTexture(BTexture::Solid);
     }
 
-    if (descr.find("raised") != string::npos)
-      addTexture(BTexture::Raised);
-    else if (descr.find("sunken") != string::npos)
+    if (descr.find("sunken") != string::npos)
       addTexture(BTexture::Sunken);
     else if (descr.find("flat") != string::npos)
       addTexture(BTexture::Flat);

@@ -39,6 +39,8 @@ #  include <stdio.h>
 #endif // HAVE_STDIO_H
 }
 
+#include <cctype>
+
 #include "../src/i18n.hh"
 #include "../src/GCCache.hh"
 #include "../src/Texture.hh"
@@ -50,8 +52,6 @@ I18n i18n;
 
 bsetroot::bsetroot(int argc, char **argv, char *dpy_name)
   : BaseDisplay(argv[0], dpy_name) {
-
-  grad = fore = back = (char *) 0;
 
   bool mod = False, sol = False, grd = False;
   int mod_x = 0, mod_y = 0;
@@ -115,9 +115,12 @@ img_ctrl = new BImageControl*[getNumberOfScreens()];
   for (unsigned int s = 0; s < getNumberOfScreens(); ++s)
     img_ctrl[s] = new BImageControl(this, getScreenInfo(s), True);
 
-  if (sol && fore) solid();
-  else if (mod && mod_x && mod_y && fore && back) modula(mod_x, mod_y);
-  else if (grd && grad && fore && back) gradient();
+  if (sol && ! fore.empty())
+    solid();
+  else if (mod && mod_x && mod_y && ! (fore.empty() || back.empty()))
+    modula(mod_x, mod_y);
+  else if (grd && ! (grad.empty() || fore.empty() || back.empty()))
+    gradient();
   else usage();
 }
 
@@ -289,8 +292,31 @@ }
 
 
 void bsetroot::gradient(void) {
+  /*
+    we have to be sure that neither raised nor sunken is specified otherwise
+    odd looking borders appear.  So we convert to lowercase then look for
+    'raised' or 'sunken' in the description and erase them.  To be paranoid
+    the search is done in a loop.
+  */
+  std::string descr;
+  descr.reserve(grad.size());
+
+  std::string::const_iterator it = grad.begin(), end = grad.end();
+  for (; it != end; ++it)
+    descr += std::tolower(*it);
+
+  std::string::size_type pos;
+  while ((pos = descr.find("raised")) != std::string::npos)
+    descr.erase(pos, 6); // 6 is strlen raised
+
+  while ((pos = descr.find("sunken")) != std::string::npos)
+    descr.erase(pos, 6);
+
+  // now add on 'flat' to prevent the bevels from being added
+  descr += "flat";
+
   for (unsigned int screen = 0; screen < getNumberOfScreens(); screen++) {
-    BTexture texture(grad, this, screen, img_ctrl[screen]);
+    BTexture texture(descr, this, screen, img_ctrl[screen]);
     const ScreenInfo *screen_info = getScreenInfo(screen);
 
     texture.setColor(BColor(fore, this, screen));

@@ -27,12 +27,13 @@ 
 #include "../src/BaseDisplay.hh"
 #include "../src/Image.hh"
 
+#include <string>
 
 class bsetroot : public BaseDisplay {
 private:
   BImageControl **img_ctrl;
 
-  char *fore, *back, *grad;
+  std::string fore, back, grad;
 
   // no copying!!
   bsetroot(const bsetroot &);