]> granicus.if.org Git - imagemagick/blobdiff - MagickCore/xwindow.c
(no commit message)
[imagemagick] / MagickCore / xwindow.c
index 99bad6718778e5754f0012b11d6c2e210e009f49..9a2b866d6bda65da040629006e58b0d98a0f5902 100644 (file)
@@ -77,6 +77,7 @@
 #include "MagickCore/string_.h"
 #include "MagickCore/string-private.h"
 #include "MagickCore/transform.h"
+#include "MagickCore/token.h"
 #include "MagickCore/utility.h"
 #include "MagickCore/utility-private.h"
 #include "MagickCore/widget.h"
@@ -205,7 +206,7 @@ static MagickBooleanType
 static const char
   *XVisualClassName(const int);
 
-static MagickRealType
+static double
   blue_gamma = 1.0,
   green_gamma = 1.0,
   red_gamma = 1.0;
@@ -484,9 +485,6 @@ MagickPrivate MagickBooleanType XAnnotateImage(Display *display,
   Pixmap
     annotate_pixmap;
 
-  Quantum
-    virtual_pixel[CompositePixelChannel];
-
   unsigned int
     depth,
     height,
@@ -559,19 +557,11 @@ MagickPrivate MagickBooleanType XAnnotateImage(Display *display,
   x=0;
   y=0;
   (void) XParseGeometry(annotate_info->geometry,&x,&y,&width,&height);
-  (void) GetOneVirtualPixel(image,(ssize_t) x,(ssize_t) y,virtual_pixel,
-    exception);
-  annotate_image->background_color.red=(double)
-    virtual_pixel[RedPixelChannel];
-  annotate_image->background_color.green=(double)
-    virtual_pixel[GreenPixelChannel];
-  annotate_image->background_color.blue=(double)
-    virtual_pixel[BluePixelChannel];
-  annotate_image->background_color.alpha=(double)
-    virtual_pixel[AlphaPixelChannel];
+  (void) GetOneVirtualPixelInfo(image,UndefinedVirtualPixelMethod,(ssize_t) x,
+    (ssize_t) y,&annotate_image->background_color,exception);
   if (annotate_info->stencil == ForegroundStencil)
     annotate_image->matte=MagickTrue;
-  annotate_view=AcquireCacheView(annotate_image);
+  annotate_view=AcquireAuthenticCacheView(annotate_image,exception);
   for (y=0; y < (int) annotate_image->rows; y++)
   {
     register int
@@ -649,7 +639,7 @@ MagickPrivate MagickBooleanType XAnnotateImage(Display *display,
       int
         rotations;
 
-      MagickRealType
+      double
         normalized_degrees;
 
       /*
@@ -706,9 +696,9 @@ MagickPrivate MagickBooleanType XAnnotateImage(Display *display,
   */
   (void) XParseGeometry(annotate_info->geometry,&x,&y,&width,&height);
   matte=image->matte;
-  (void) CompositeImage(image,annotate_image->matte != MagickFalse ?
-    OverCompositeOp : CopyCompositeOp,annotate_image,(ssize_t) x,(ssize_t) y,
-    exception);
+  (void) CompositeImage(image,annotate_image,
+    annotate_image->matte != MagickFalse ? OverCompositeOp : CopyCompositeOp,
+    MagickTrue,(ssize_t) x,(ssize_t) y,exception);
   image->matte=matte;
   annotate_image=DestroyImage(annotate_image);
   return(MagickTrue);
@@ -914,7 +904,7 @@ MagickPrivate void XBestIconSize(Display *display,XWindowInfo *window,
     i,
     number_sizes;
 
-  MagickRealType
+  double
     scale_factor;
 
   unsigned int
@@ -975,9 +965,9 @@ MagickPrivate void XBestIconSize(Display *display,XWindowInfo *window,
   /*
     Look for an icon size that maintains the aspect ratio of image.
   */
-  scale_factor=(MagickRealType) icon_size->max_width/width;
-  if (scale_factor > ((MagickRealType) icon_size->max_height/height))
-    scale_factor=(MagickRealType) icon_size->max_height/height;
+  scale_factor=(double) icon_size->max_width/width;
+  if (scale_factor > ((double) icon_size->max_height/height))
+    scale_factor=(double) icon_size->max_height/height;
   icon_width=(unsigned int) icon_size->min_width;
   while ((int) icon_width < icon_size->max_width)
   {
@@ -1044,10 +1034,10 @@ MagickPrivate void XBestPixel(Display *display,const Colormap colormap,
   PixelInfo
     pixel;
 
-  MagickRealType
+  double
     min_distance;
 
-  register MagickRealType
+  register double
     distance;
 
   register int
@@ -1085,20 +1075,20 @@ MagickPrivate void XBestPixel(Display *display,const Colormap colormap,
         number_colors=256;
       (void) XQueryColors(display,colormap,colors,(int) number_colors);
     }
-  min_distance=3.0*((MagickRealType) QuantumRange+1.0)*((MagickRealType)
+  min_distance=3.0*((double) QuantumRange+1.0)*((double)
     QuantumRange+1.0);
   j=0;
   for (i=0; i < (int) number_colors; i++)
   {
-    pixel.red=colors[i].red-(MagickRealType) color->red;
+    pixel.red=colors[i].red-(double) color->red;
     distance=pixel.red*pixel.red;
     if (distance > min_distance)
       continue;
-    pixel.green=colors[i].green-(MagickRealType) color->green;
+    pixel.green=colors[i].green-(double) color->green;
     distance+=pixel.green*pixel.green;
     if (distance > min_distance)
       continue;
-    pixel.blue=colors[i].blue-(MagickRealType) color->blue;
+    pixel.blue=colors[i].blue-(double) color->blue;
     distance+=pixel.blue*pixel.blue;
     if (distance > min_distance)
       continue;
@@ -2237,7 +2227,7 @@ static void XDitherImage(Image *image,XImage *ximage,ExceptionInfo *exception)
   i=0;
   j=0;
   q=ximage->data;
-  image_view=AcquireCacheView(image);
+  image_view=AcquireVirtualCacheView(image,exception);
   for (y=0; y < (int) image->rows; y++)
   {
     p=GetCacheViewVirtualPixels(image_view,0,(ssize_t) y,image->columns,1,
@@ -2246,11 +2236,11 @@ static void XDitherImage(Image *image,XImage *ximage,ExceptionInfo *exception)
       break;
     for (x=0; x < (int) image->columns; x++)
     {
-      color.red=(double) ClampToQuantum((MagickRealType) (red_map[i][j][
+      color.red=(double) ClampToQuantum((double) (red_map[i][j][
         (int) ScaleQuantumToChar(GetPixelRed(image,p))] << 8));
-      color.green=(double) ClampToQuantum((MagickRealType) (green_map[i][j][
+      color.green=(double) ClampToQuantum((double) (green_map[i][j][
         (int) ScaleQuantumToChar(GetPixelGreen(image,p))] << 8));
-      color.blue=(double) ClampToQuantum((MagickRealType) (blue_map[i][j][
+      color.blue=(double) ClampToQuantum((double) (blue_map[i][j][
         (int) ScaleQuantumToChar(GetPixelBlue(image,p))] << 8));
       pixel=(size_t) (((size_t) color.red & 0xe0) |
         (((size_t) color.green & 0xe0) >> 3) |
@@ -2331,9 +2321,6 @@ MagickPrivate MagickBooleanType XDrawImage(Display *display,
   MagickBooleanType
     matte;
 
-  Quantum
-    virtual_pixel[CompositePixelChannel];
-
   Pixmap
     draw_pixmap;
 
@@ -2492,16 +2479,12 @@ MagickPrivate MagickBooleanType XDrawImage(Display *display,
   x=0;
   y=0;
   (void) XParseGeometry(draw_info->geometry,&x,&y,&width,&height);
-  (void) GetOneVirtualPixel(image,(ssize_t) x,(ssize_t) y,virtual_pixel,
-    exception);
-  draw_image->background_color.red=(double) virtual_pixel[RedPixelChannel];
-  draw_image->background_color.green=(double) virtual_pixel[GreenPixelChannel];
-  draw_image->background_color.blue=(double) virtual_pixel[BluePixelChannel];
-  draw_image->background_color.alpha=(double) virtual_pixel[AlphaPixelChannel];
+  (void) GetOneVirtualPixelInfo(image,UndefinedVirtualPixelMethod,(ssize_t) x,
+    (ssize_t) y,&draw_image->background_color,exception);
   if (SetImageStorageClass(draw_image,DirectClass,exception) == MagickFalse)
     return(MagickFalse);
   draw_image->matte=MagickTrue;
-  draw_view=AcquireCacheView(draw_image);
+  draw_view=AcquireAuthenticCacheView(draw_image,exception);
   for (y=0; y < (int) draw_image->rows; y++)
   {
     register int
@@ -2572,7 +2555,7 @@ MagickPrivate MagickBooleanType XDrawImage(Display *display,
       int
         rotations;
 
-      MagickRealType
+      double
         normalized_degrees;
 
       /*
@@ -2627,7 +2610,7 @@ MagickPrivate MagickBooleanType XDrawImage(Display *display,
   /*
     Composite text onto the image.
   */
-  draw_view=AcquireCacheView(draw_image);
+  draw_view=AcquireAuthenticCacheView(draw_image,exception);
   for (y=0; y < (int) draw_image->rows; y++)
   {
     register int
@@ -2652,13 +2635,13 @@ MagickPrivate MagickBooleanType XDrawImage(Display *display,
   draw_view=DestroyCacheView(draw_view);
   (void) XParseGeometry(draw_info->geometry,&x,&y,&width,&height);
   if (draw_info->stencil == TransparentStencil)
-    (void) CompositeImage(image,CopyAlphaCompositeOp,draw_image,(ssize_t) x,
-      (ssize_t) y,exception);
+    (void) CompositeImage(image,draw_image,CopyAlphaCompositeOp,MagickTrue,
+      (ssize_t) x,(ssize_t) y,exception);
   else
     {
       matte=image->matte;
-      (void) CompositeImage(image,OverCompositeOp,draw_image,(ssize_t) x,
-        (ssize_t) y,exception);
+      (void) CompositeImage(image,draw_image,OverCompositeOp,MagickTrue,
+        (ssize_t) x,(ssize_t) y,exception);
       image->matte=matte;
     }
   draw_image=DestroyImage(draw_image);
@@ -3068,6 +3051,10 @@ MagickPrivate void XGetPixelInfo(Display *display,
   Colormap
     colormap;
 
+  extern const char
+    BorderColor[],
+    ForegroundColor[];
+
   register ssize_t
     i;
 
@@ -3172,33 +3159,33 @@ MagickPrivate void XGetPixelInfo(Display *display,
   /*
     Set shadow color.
   */
-  pixel->shadow_color.red=(unsigned short) (((MagickRealType)
+  pixel->shadow_color.red=(unsigned short) (((double)
     pixel->matte_color.red*ScaleQuantumToShort(ShadowModulate))/65535L);
-  pixel->shadow_color.green=(unsigned short) (((MagickRealType)
+  pixel->shadow_color.green=(unsigned short) (((double)
     pixel->matte_color.green*ScaleQuantumToShort(ShadowModulate))/65535L);
-  pixel->shadow_color.blue=(unsigned short) (((MagickRealType)
+  pixel->shadow_color.blue=(unsigned short) (((double)
     pixel->matte_color.blue*ScaleQuantumToShort(ShadowModulate))/65535L);
   pixel->shadow_color.pixel=XStandardPixel(map_info,&pixel->shadow_color);
   pixel->shadow_color.flags=(char) (DoRed | DoGreen | DoBlue);
   /*
     Set depth color.
   */
-  pixel->depth_color.red=(unsigned short) (((MagickRealType)
+  pixel->depth_color.red=(unsigned short) (((double)
     pixel->matte_color.red*ScaleQuantumToShort(DepthModulate))/65535L);
-  pixel->depth_color.green=(unsigned short) (((MagickRealType)
+  pixel->depth_color.green=(unsigned short) (((double)
     pixel->matte_color.green*ScaleQuantumToShort(DepthModulate))/65535L);
-  pixel->depth_color.blue=(unsigned short) (((MagickRealType)
+  pixel->depth_color.blue=(unsigned short) (((double)
     pixel->matte_color.blue*ScaleQuantumToShort(DepthModulate))/65535L);
   pixel->depth_color.pixel=XStandardPixel(map_info,&pixel->depth_color);
   pixel->depth_color.flags=(char) (DoRed | DoGreen | DoBlue);
   /*
     Set trough color.
   */
-  pixel->trough_color.red=(unsigned short) (((MagickRealType)
+  pixel->trough_color.red=(unsigned short) (((double)
     pixel->matte_color.red*ScaleQuantumToShort(TroughModulate))/65535L);
-  pixel->trough_color.green=(unsigned short) (((MagickRealType)
+  pixel->trough_color.green=(unsigned short) (((double)
     pixel->matte_color.green*ScaleQuantumToShort(TroughModulate))/65535L);
-  pixel->trough_color.blue=(unsigned short) (((MagickRealType)
+  pixel->trough_color.blue=(unsigned short) (((double)
     pixel->matte_color.blue*ScaleQuantumToShort(TroughModulate))/65535L);
   pixel->trough_color.pixel=XStandardPixel(map_info,&pixel->trough_color);
   pixel->trough_color.flags=(char) (DoRed | DoGreen | DoBlue);
@@ -3495,6 +3482,10 @@ MagickExport void XGetResourceInfo(const ImageInfo *image_info,
     *directory,
     *resource_value;
 
+  extern const char
+    BorderColor[],
+    ForegroundColor[];
+
   /*
     Initialize resource info fields.
   */
@@ -3510,7 +3501,7 @@ MagickExport void XGetResourceInfo(const ImageInfo *image_info,
   resource_info->client_name=AcquireString(client_name);
   resource_value=XGetResourceClass(database,client_name,"backdrop",
     (char *) "False");
-  resource_info->backdrop=IsMagickTrue(resource_value);
+  resource_info->backdrop=IsStringTrue(resource_value);
   resource_info->background_color=XGetResourceInstance(database,client_name,
     "background",(char *) "#d6d6d6d6d6d6");
   resource_info->border_color=XGetResourceInstance(database,client_name,
@@ -3531,20 +3522,20 @@ MagickExport void XGetResourceInfo(const ImageInfo *image_info,
       resource_value);
   resource_value=XGetResourceClass(database,client_name,
     "colorRecovery",(char *) "False");
-  resource_info->color_recovery=IsMagickTrue(resource_value);
+  resource_info->color_recovery=IsStringTrue(resource_value);
   resource_value=XGetResourceClass(database,client_name,"confirmExit",
     (char *) "False");
-  resource_info->confirm_exit=IsMagickTrue(resource_value);
+  resource_info->confirm_exit=IsStringTrue(resource_value);
   resource_value=XGetResourceClass(database,client_name,"confirmEdit",
     (char *) "False");
-  resource_info->confirm_edit=IsMagickTrue(resource_value);
+  resource_info->confirm_edit=IsStringTrue(resource_value);
   resource_value=XGetResourceClass(database,client_name,"delay",(char *) "1");
   resource_info->delay=(unsigned int) StringToUnsignedLong(resource_value);
   resource_info->display_gamma=XGetResourceClass(database,client_name,
     "displayGamma",(char *) "2.2");
   resource_value=XGetResourceClass(database,client_name,"displayWarnings",
     (char *) "True");
-  resource_info->display_warnings=IsMagickTrue(resource_value);
+  resource_info->display_warnings=IsStringTrue(resource_value);
   resource_info->font=XGetResourceClass(database,client_name,"font",
     (char *) NULL);
   resource_info->font=XGetResourceClass(database,client_name,"fontList",
@@ -3574,8 +3565,8 @@ MagickExport void XGetResourceInfo(const ImageInfo *image_info,
   resource_info->foreground_color=XGetResourceInstance(database,client_name,
     "foreground",ForegroundColor);
   resource_value=XGetResourceClass(database,client_name,"gammaCorrect",
-    (char *) "True");
-  resource_info->gamma_correct=IsMagickTrue(resource_value);
+    (char *) "False");
+  resource_info->gamma_correct=IsStringTrue(resource_value);
   resource_info->image_geometry=ConstantString(XGetResourceClass(database,
     client_name,"geometry",(char *) NULL));
   resource_value=XGetResourceClass(database,client_name,"gravity",
@@ -3588,11 +3579,11 @@ MagickExport void XGetResourceInfo(const ImageInfo *image_info,
     "iconGeometry",(char *) NULL);
   resource_value=XGetResourceClass(database,client_name,"iconic",
     (char *) "False");
-  resource_info->iconic=IsMagickTrue(resource_value);
+  resource_info->iconic=IsStringTrue(resource_value);
   resource_value=XGetResourceClass(database,client_name,"immutable",
     LocaleCompare(client_name,"PerlMagick") == 0 ? (char *) "True" :
     (char *) "False");
-  resource_info->immutable=IsMagickTrue(resource_value);
+  resource_info->immutable=IsStringTrue(resource_value);
   resource_value=XGetResourceClass(database,client_name,"magnify",
     (char *) "3");
   resource_info->magnify=(unsigned int) StringToUnsignedLong(resource_value);
@@ -3639,13 +3630,13 @@ MagickExport void XGetResourceInfo(const ImageInfo *image_info,
   resource_info->undo_cache=(unsigned int) StringToUnsignedLong(resource_value);
   resource_value=XGetResourceClass(database,client_name,"update",
     (char *) "False");
-  resource_info->update=IsMagickTrue(resource_value);
+  resource_info->update=IsStringTrue(resource_value);
   resource_value=XGetResourceClass(database,client_name,"usePixmap",
     (char *) "True");
-  resource_info->use_pixmap=IsMagickTrue(resource_value);
+  resource_info->use_pixmap=IsStringTrue(resource_value);
   resource_value=XGetResourceClass(database,client_name,"sharedMemory",
     (char *) "True");
-  resource_info->use_shared_memory=IsMagickTrue(resource_value);
+  resource_info->use_shared_memory=IsStringTrue(resource_value);
   resource_info->visual_type=XGetResourceClass(database,client_name,"visual",
     (char *) NULL);
   resource_info->window_group=XGetResourceClass(database,client_name,
@@ -4375,7 +4366,7 @@ static Image *XGetWindowImage(Display *display,const Window window,
           composite_image->storage_class=PseudoClass;
         composite_image->columns=(size_t) ximage->width;
         composite_image->rows=(size_t) ximage->height;
-        composite_view=AcquireCacheView(composite_image);
+        composite_view=AcquireAuthenticCacheView(composite_image,exception);
         switch (composite_image->storage_class)
         {
           case DirectClass:
@@ -4540,8 +4531,9 @@ static Image *XGetWindowImage(Display *display,const Window window,
         y_offset-=(int) crop_info.y;
         if (y_offset < 0)
           y_offset=0;
-        (void) CompositeImage(image,CopyCompositeOp,composite_image,(ssize_t)
-          x_offset,(ssize_t) y_offset,exception);
+        (void) CompositeImage(image,composite_image,CopyCompositeOp,MagickTrue,
+          (ssize_t) x_offset,(ssize_t) y_offset,exception);
+        composite_image=DestroyImage(composite_image);
       }
       /*
         Relinquish resources.
@@ -5951,8 +5943,8 @@ static void XMakeImageLSBFirst(const XResourceInfo *resource_info,
         {
           canvas=CloneImage(image,0,0,MagickTrue,exception);
           if (canvas != (Image *) NULL)
-            (void) CompositeImage(canvas,DstOverCompositeOp,pattern,0,0,
-              exception);
+            (void) CompositeImage(canvas,pattern,DstOverCompositeOp,MagickTrue,
+              0,0,exception);
           pattern=DestroyImage(pattern);
         }
     }
@@ -5962,7 +5954,7 @@ static void XMakeImageLSBFirst(const XResourceInfo *resource_info,
   pixels=window->pixel_info->pixels;
   q=(unsigned char *) ximage->data;
   x=0;
-  canvas_view=AcquireCacheView(canvas);
+  canvas_view=AcquireVirtualCacheView(canvas,exception);
   if (ximage->format == XYBitmap)
     {
       register unsigned short
@@ -5982,7 +5974,7 @@ static void XMakeImageLSBFirst(const XResourceInfo *resource_info,
         (XPixelIntensity(&window->pixel_info->background_color) <
          XPixelIntensity(&window->pixel_info->foreground_color) ? 0x80 : 0x00);
       polarity=(unsigned short) ((GetPixelInfoIntensity(
-        &canvas->colormap[0])) < ((Quantum) QuantumRange/2) ? 1 : 0);
+        &canvas->colormap[0])) < (QuantumRange/2) ? 1 : 0);
       if (canvas->colors == 2)
         polarity=GetPixelInfoIntensity(&canvas->colormap[0]) <
           GetPixelInfoIntensity(&canvas->colormap[1]);
@@ -6118,7 +6110,7 @@ static void XMakeImageLSBFirst(const XResourceInfo *resource_info,
             Convert to 8 bit color-mapped X canvas.
           */
           if (resource_info->color_recovery &&
-              resource_info->quantize_info->dither)
+              resource_info->quantize_info->dither_method != NoDitherMethod)
             {
               XDitherImage(canvas,ximage,exception);
               break;
@@ -6281,7 +6273,7 @@ static void XMakeImageLSBFirst(const XResourceInfo *resource_info,
             Convert to contiguous 8 bit continuous-tone X canvas.
           */
           if (resource_info->color_recovery &&
-              resource_info->quantize_info->dither)
+              resource_info->quantize_info->dither_method != NoDitherMethod)
             {
               XDitherImage(canvas,ximage,exception);
               break;
@@ -6339,12 +6331,9 @@ static void XMakeImageLSBFirst(const XResourceInfo *resource_info,
                   }
                 for (x=(int) canvas->columns-1; x >= 0; x--)
                 {
-                  *q++=ScaleQuantumToChar((Quantum)
-                    GetPixelBlue(canvas,p));
-                  *q++=ScaleQuantumToChar((Quantum)
-                    GetPixelGreen(canvas,p));
-                  *q++=ScaleQuantumToChar((Quantum)
-                    GetPixelRed(canvas,p));
+                  *q++=ScaleQuantumToChar((Quantum) GetPixelBlue(canvas,p));
+                  *q++=ScaleQuantumToChar((Quantum) GetPixelGreen(canvas,p));
+                  *q++=ScaleQuantumToChar((Quantum) GetPixelRed(canvas,p));
                   *q++=0;
                   p+=GetPixelChannels(canvas);
                 }
@@ -6386,12 +6375,9 @@ static void XMakeImageLSBFirst(const XResourceInfo *resource_info,
                     }
                   for (x=(int) canvas->columns-1; x >= 0; x--)
                   {
-                    *q++=ScaleQuantumToChar((Quantum)
-                      GetPixelRed(canvas,p));
-                    *q++=ScaleQuantumToChar((Quantum)
-                      GetPixelGreen(canvas,p));
-                    *q++=ScaleQuantumToChar((Quantum)
-                      GetPixelBlue(canvas,p));
+                    *q++=ScaleQuantumToChar((Quantum) GetPixelRed(canvas,p));
+                    *q++=ScaleQuantumToChar((Quantum) GetPixelGreen(canvas,p));
+                    *q++=ScaleQuantumToChar((Quantum) GetPixelBlue(canvas,p));
                     *q++=0;
                     p+=GetPixelChannels(canvas);
                   }
@@ -6583,8 +6569,8 @@ static void XMakeImageMSBFirst(const XResourceInfo *resource_info,
         {
           canvas=CloneImage(image,0,0,MagickTrue,exception);
           if (canvas != (Image *) NULL)
-            (void) CompositeImage(canvas,DstOverCompositeOp,pattern,0,0,
-              exception);
+            (void) CompositeImage(canvas,pattern,DstOverCompositeOp,MagickFalse,
+              0,0,exception);
           pattern=DestroyImage(pattern);
         }
     }
@@ -6594,7 +6580,7 @@ static void XMakeImageMSBFirst(const XResourceInfo *resource_info,
   pixels=window->pixel_info->pixels;
   q=(unsigned char *) ximage->data;
   x=0;
-  canvas_view=AcquireCacheView(canvas);
+  canvas_view=AcquireVirtualCacheView(canvas,exception);
   if (ximage->format == XYBitmap)
     {
       register unsigned short
@@ -6614,7 +6600,7 @@ static void XMakeImageMSBFirst(const XResourceInfo *resource_info,
         (XPixelIntensity(&window->pixel_info->background_color) <
          XPixelIntensity(&window->pixel_info->foreground_color) ?  0x01 : 0x00);
       polarity=(unsigned short) ((GetPixelInfoIntensity(
-        &canvas->colormap[0])) < ((Quantum) QuantumRange/2) ? 1 : 0);
+        &canvas->colormap[0])) < (QuantumRange/2) ? 1 : 0);
       if (canvas->colors == 2)
         polarity=GetPixelInfoIntensity(&canvas->colormap[0]) <
           GetPixelInfoIntensity(&canvas->colormap[1]);
@@ -6752,7 +6738,7 @@ static void XMakeImageMSBFirst(const XResourceInfo *resource_info,
             Convert to 8 bit color-mapped X canvas.
           */
           if (resource_info->color_recovery &&
-              resource_info->quantize_info->dither)
+              resource_info->quantize_info->dither_method != NoDitherMethod)
             {
               XDitherImage(canvas,ximage,exception);
               break;
@@ -6916,7 +6902,7 @@ static void XMakeImageMSBFirst(const XResourceInfo *resource_info,
             Convert to 8 bit continuous-tone X canvas.
           */
           if (resource_info->color_recovery &&
-              resource_info->quantize_info->dither)
+              resource_info->quantize_info->dither_method != NoDitherMethod)
             {
               XDitherImage(canvas,ximage,exception);
               break;
@@ -6975,12 +6961,9 @@ static void XMakeImageMSBFirst(const XResourceInfo *resource_info,
                 for (x=(int) canvas->columns-1; x >= 0; x--)
                 {
                   *q++=0;
-                  *q++=ScaleQuantumToChar((Quantum)
-                    GetPixelRed(canvas,p));
-                  *q++=ScaleQuantumToChar((Quantum)
-                    GetPixelGreen(canvas,p));
-                  *q++=ScaleQuantumToChar((Quantum)
-                    GetPixelBlue(canvas,p));
+                  *q++=ScaleQuantumToChar((Quantum) GetPixelRed(canvas,p));
+                  *q++=ScaleQuantumToChar((Quantum) GetPixelGreen(canvas,p));
+                  *q++=ScaleQuantumToChar((Quantum) GetPixelBlue(canvas,p));
                   p+=GetPixelChannels(canvas);
                 }
               }
@@ -7022,12 +7005,9 @@ static void XMakeImageMSBFirst(const XResourceInfo *resource_info,
                   for (x=(int) canvas->columns-1; x >= 0; x--)
                   {
                     *q++=0;
-                    *q++=ScaleQuantumToChar((Quantum)
-                      GetPixelBlue(canvas,p));
-                    *q++=ScaleQuantumToChar((Quantum)
-                      GetPixelGreen(canvas,p));
-                    *q++=ScaleQuantumToChar((Quantum)
-                      GetPixelRed(canvas,p));
+                    *q++=ScaleQuantumToChar((Quantum) GetPixelBlue(canvas,p));
+                    *q++=ScaleQuantumToChar((Quantum) GetPixelGreen(canvas,p));
+                    *q++=ScaleQuantumToChar((Quantum) GetPixelRed(canvas,p));
                     p+=GetPixelChannels(canvas);
                   }
                 }
@@ -7715,13 +7695,13 @@ static MagickBooleanType XMakePixmap(Display *display,
 extern "C" {
 #endif
 
-static inline MagickRealType DiversityPixelIntensity(
+static inline double DiversityPixelIntensity(
   const DiversityPacket *pixel)
 {
-  MagickRealType
+  double
     intensity;
 
-  intensity=0.299*pixel->red+0.587*pixel->green+0.114*pixel->blue;
+  intensity=0.298839*pixel->red+0.586811*pixel->green+0.114350*pixel->blue;
   return(intensity);
 }
 
@@ -7759,7 +7739,7 @@ static int PopularityCompare(const void *x,const void *y)
 static inline Quantum ScaleXToQuantum(const size_t x,
   const size_t scale)
 {
-  return((Quantum) (((MagickRealType) QuantumRange*x)/scale+0.5));
+  return((Quantum) (((double) QuantumRange*x)/scale+0.5));
 }
 
 MagickPrivate void XMakeStandardColormap(Display *display,
@@ -7805,7 +7785,7 @@ MagickPrivate void XMakeStandardColormap(Display *display,
       if ((map_info->red_max*map_info->green_max*map_info->blue_max) != 0)
         if ((image->matte == MagickFalse) &&
             (resource_info->color_recovery == MagickFalse) &&
-            resource_info->quantize_info->dither &&
+            (resource_info->quantize_info->dither_method != NoDitherMethod) &&
             (number_colors < MaxColormapSize))
           {
             Image
@@ -8021,7 +8001,7 @@ MagickPrivate void XMakeStandardColormap(Display *display,
             diversity[i].index=(unsigned short) i;
             diversity[i].count=0;
           }
-          image_view=AcquireCacheView(image);
+          image_view=AcquireAuthenticCacheView(image,exception);
           for (y=0; y < (int) image->rows; y++)
           {
             register int
@@ -9385,7 +9365,8 @@ MagickPrivate void XUserPreferences(XResourceInfo *resource_info)
   value=resource_info->display_warnings ? "True" : "False";
   XrmPutStringResource(&preferences_database,specifier,(char *) value);
   (void) FormatLocaleString(specifier,MaxTextExtent,"%s.dither",client_name);
-  value=resource_info->quantize_info->dither ? "True" : "False";
+  value=resource_info->quantize_info->dither_method != NoDitherMethod ?
+    "True" : "False";
   XrmPutStringResource(&preferences_database,specifier,(char *) value);
   (void) FormatLocaleString(specifier,MaxTextExtent,"%s.gammaCorrect",
     client_name);