diff --git a/MagickCore/annotate.c b/MagickCore/annotate.c
index 2c7e40faa4..b44f2b2e28 100644
--- a/MagickCore/annotate.c
+++ b/MagickCore/annotate.c
@@ -342,10 +342,10 @@ MagickExport MagickBooleanType AnnotateImage(Image *image,
     (void) CloneString(&annotate->text,textlist[i]);
     if ((metrics.width == 0) || (annotate->gravity != NorthWestGravity))
       (void) GetTypeMetrics(image,annotate,&metrics,exception);
-    height=CastDoubleToUnsigned(metrics.ascent-metrics.descent+0.5);
+    height=CastDoubleToSizeT(metrics.ascent-metrics.descent+0.5);
     if (height == 0)
       height=draw_info->pointsize;
-    height=CastDoubleToUnsigned(floor((double) height+
+    height=CastDoubleToSizeT(floor((double) height+
       draw_info->interline_spacing+0.5));
     switch (annotate->gravity)
     {
@@ -680,7 +680,7 @@ MagickExport ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info,
     status=GetTypeMetrics(image,draw_info,metrics,exception);
     if (status == MagickFalse)
       break;
-    width=CastDoubleToUnsigned(metrics->width+draw_info->stroke_width+0.5);
+    width=CastDoubleToSizeT(metrics->width+draw_info->stroke_width+0.5);
     if (width <= image->columns)
       continue;
     if (s != (char *) NULL)
diff --git a/MagickCore/draw.c b/MagickCore/draw.c
index db555f6546..9e37dcfd1a 100644
--- a/MagickCore/draw.c
+++ b/MagickCore/draw.c
@@ -3543,14 +3543,14 @@ static MagickBooleanType RenderMVGContent(Image *image,
                 (void) GetNextToken(q,&q,extent,token);
                 if (*token == ',')
                   (void) GetNextToken(q,&q,extent,token);
-                region.width=CastDoubleToUnsigned(floor(GetDrawValue(
-                  token,&next_token)+0.5));
+                region.width=CastDoubleToSizeT(floor(GetDrawValue(token,
+                  &next_token)+0.5));
                 if (token == next_token)
                   ThrowPointExpectedException(token,exception);
                 (void) GetNextToken(q,&q,extent,token);
                 if (*token == ',')
                   (void) GetNextToken(q,&q,extent,token);
-                region.height=CastDoubleToUnsigned(GetDrawValue(token,
+                region.height=CastDoubleToSizeT(GetDrawValue(token,
                   &next_token)+0.5);
                 if (token == next_token)
                   ThrowPointExpectedException(token,exception);
@@ -3980,15 +3980,15 @@ static MagickBooleanType RenderMVGContent(Image *image,
             (void) GetNextToken(q,&q,extent,token);
             if (*token == ',')
               (void) GetNextToken(q,&q,extent,token);
-            graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
-              floor(GetDrawValue(token,&next_token)+0.5));
+            graphic_context[n]->viewbox.width=CastDoubleToSizeT(floor(
+              GetDrawValue(token,&next_token)+0.5));
             if (token == next_token)
               ThrowPointExpectedException(token,exception);
             (void) GetNextToken(q,&q,extent,token);
             if (*token == ',')
               (void) GetNextToken(q,&q,extent,token);
-            graphic_context[n]->viewbox.height=(size_t) CastDoubleToUnsigned(
-              floor(GetDrawValue(token,&next_token)+0.5));
+            graphic_context[n]->viewbox.height=CastDoubleToSizeT(floor(
+              GetDrawValue(token,&next_token)+0.5));
             if (token == next_token)
               ThrowPointExpectedException(token,exception);
             break;
diff --git a/MagickCore/geometry.c b/MagickCore/geometry.c
index 80df7c58aa..b92d1a1742 100644
--- a/MagickCore/geometry.c
+++ b/MagickCore/geometry.c
@@ -352,7 +352,7 @@ MagickExport MagickStatusType GetGeometry(const char *geometry,ssize_t *x,
               if (LocaleNCompare(p,"0x",2) == 0)
                 *width=(size_t) strtol(p,&p,10);
               else
-                *width=CastDoubleToUnsigned(StringToDouble(p,&p)+0.5);
+                *width=CastDoubleToSizeT(StringToDouble(p,&p)+0.5);
             }
           if (p != q)
             flags|=WidthValue;
@@ -371,7 +371,7 @@ MagickExport MagickStatusType GetGeometry(const char *geometry,ssize_t *x,
               */
               q=p;
               if (height != (size_t *) NULL)
-                *height=CastDoubleToUnsigned(StringToDouble(p,&p)+0.5);
+                *height=CastDoubleToSizeT(StringToDouble(p,&p)+0.5);
               if (p != q)
                 flags|=HeightValue;
             }
@@ -1359,8 +1359,8 @@ MagickExport MagickStatusType ParseGravityGeometry(const Image *image,
       scale.y=geometry_info.sigma;
       if ((status & SigmaValue) == 0)
         scale.y=scale.x;
-      region_info->width=CastDoubleToUnsigned(scale.x*image->columns/100.0+0.5);
-      region_info->height=CastDoubleToUnsigned(scale.y*image->rows/100.0+0.5);
+      region_info->width=CastDoubleToSizeT(scale.x*image->columns/100.0+0.5);
+      region_info->height=CastDoubleToSizeT(scale.y*image->rows/100.0+0.5);
     }
   if ((flags & AspectRatioValue) != 0)
     {
@@ -1384,18 +1384,18 @@ MagickExport MagickStatusType ParseGravityGeometry(const Image *image,
       if ((flags & MaximumValue) != 0)
         {
           if (geometry_ratio < image_ratio)
-            region_info->height=CastDoubleToUnsigned((double) image->rows*
+            region_info->height=CastDoubleToSizeT((double) image->rows*
               image_ratio/geometry_ratio+0.5);
           else
-            region_info->width=CastDoubleToUnsigned((double) image->columns*
+            region_info->width=CastDoubleToSizeT((double) image->columns*
               geometry_ratio/image_ratio+0.5);
         }
       else
         if (geometry_ratio >= image_ratio)
-          region_info->height=CastDoubleToUnsigned((double) image->rows*
+          region_info->height=CastDoubleToSizeT((double) image->rows*
             image_ratio/geometry_ratio+0.5);
         else
-          region_info->width=CastDoubleToUnsigned((double) image->columns*
+          region_info->width=CastDoubleToSizeT((double) image->columns*
             geometry_ratio/image_ratio+0.5);
     }
   /*
@@ -1519,8 +1519,8 @@ MagickExport MagickStatusType ParseMetaGeometry(const char *geometry,ssize_t *x,
       scale.y=geometry_info.sigma;
       if ((percent_flags & SigmaValue) == 0)
         scale.y=scale.x;
-      *width=CastDoubleToUnsigned(scale.x*stasis_width/100.0+0.5);
-      *height=CastDoubleToUnsigned(scale.y*stasis_height/100.0+0.5);
+      *width=CastDoubleToSizeT(scale.x*stasis_width/100.0+0.5);
+      *height=CastDoubleToSizeT(scale.y*stasis_height/100.0+0.5);
       stasis_width=(*width);
       stasis_height=(*height);
     }
@@ -1540,12 +1540,12 @@ MagickExport MagickStatusType ParseMetaGeometry(const char *geometry,ssize_t *x,
       if (geometry_ratio >= image_ratio)
         {
           *width=stasis_width;
-          *height=CastDoubleToUnsigned((double) (PerceptibleReciprocal(
+          *height=CastDoubleToSizeT((double) (PerceptibleReciprocal(
             geometry_ratio)*stasis_height*image_ratio)+0.5);
         }
       else
         {
-          *width=CastDoubleToUnsigned(PerceptibleReciprocal(image_ratio)*
+          *width=CastDoubleToSizeT(PerceptibleReciprocal(image_ratio)*
             stasis_width*geometry_ratio+0.5);
           *height=stasis_height;
         }
@@ -1598,10 +1598,8 @@ MagickExport MagickStatusType ParseMetaGeometry(const char *geometry,ssize_t *x,
                   (scale_factor < ((double) *height/(double) stasis_width)))
                 scale_factor=(double) *height/(double) stasis_width;
             }
-      *width=CastDoubleToUnsigned(MagickMax(floor(scale_factor*stasis_width+
-        0.5),1.0));
-      *height=CastDoubleToUnsigned(MagickMax(floor(scale_factor*stasis_height+
-        0.5),1.0));
+      *width=CastDoubleToSizeT(MagickMax(floor(scale_factor*stasis_width+0.5),1.0));
+      *height=CastDoubleToSizeT(MagickMax(floor(scale_factor*stasis_height+0.5),1.0));
     }
   if ((flags & GreaterValue) != 0)
     {
@@ -1638,9 +1636,9 @@ MagickExport MagickStatusType ParseMetaGeometry(const char *geometry,ssize_t *x,
         PerceptibleReciprocal(sqrt(area)));
       if ((scale.x < (double) *width) || (scale.y < (double) *height))
         {
-          *width=CastDoubleToUnsigned((double) stasis_width*PerceptibleReciprocal(
+          *width=CastDoubleToSizeT((double) stasis_width*PerceptibleReciprocal(
             distance*PerceptibleReciprocal(sqrt(area)))+0.5);
-          *height=CastDoubleToUnsigned((double) stasis_height*PerceptibleReciprocal(
+          *height=CastDoubleToSizeT((double) stasis_height*PerceptibleReciprocal(
             distance*PerceptibleReciprocal(sqrt(area)))+0.5);
         }
     }
diff --git a/MagickCore/image-private.h b/MagickCore/image-private.h
index 4ce71c32c2..c8c080c384 100644
--- a/MagickCore/image-private.h
+++ b/MagickCore/image-private.h
@@ -115,7 +115,7 @@ static inline QuantumAny CastDoubleToQuantumAny(const double x)
   return((QuantumAny) (x+0.5));
 }
 
-static inline size_t CastDoubleToUnsigned(const double x)
+static inline size_t CastDoubleToSizeT(const double x)
 {
   double
     value;
diff --git a/MagickCore/shear.c b/MagickCore/shear.c
index 3e137d97a8..2b08f984fd 100644
--- a/MagickCore/shear.c
+++ b/MagickCore/shear.c
@@ -1762,10 +1762,9 @@ MagickExport Image *ShearRotateImage(const Image *image,const double degrees,
   */
   width=integral_image->columns;
   height=integral_image->rows;
-  bounds.width=CastDoubleToUnsigned(fabs((double) height*shear.x)+width+0.5);
-  bounds.height=CastDoubleToUnsigned(fabs((double) bounds.width*shear.y)+
-    height+0.5);
-  shear_width=CastDoubleToUnsigned(fabs((double) bounds.height*shear.x)+
+  bounds.width=CastDoubleToSizeT(fabs((double) height*shear.x)+width+0.5);
+  bounds.height=CastDoubleToSizeT(fabs((double) bounds.width*shear.y)+height+0.5);
+  shear_width=CastDoubleToSizeT(fabs((double) bounds.height*shear.x)+
     bounds.width+0.5);
   bounds.x=CastDoubleToLong(floor((double) ((shear_width > bounds.width) ?
     width : bounds.width-shear_width+2)/2.0+0.5));
diff --git a/MagickCore/transform.c b/MagickCore/transform.c
index 1b5c9abdee..3bbe112ea4 100644
--- a/MagickCore/transform.c
+++ b/MagickCore/transform.c
@@ -615,28 +615,24 @@ MagickExport Image *CropImage(const Image *image,const RectangleInfo *geometry,
     }
   if ((page.x < 0) && (bounding_box.x >= 0))
     {
-      page.width=CastDoubleToUnsigned((double) page.width+page.x-
-        bounding_box.x);
+      page.width=CastDoubleToSizeT((double) page.width+page.x-bounding_box.x);
       page.x=0;
     }
   else
     {
-      page.width=CastDoubleToUnsigned((double) page.width-(bounding_box.x-
-        page.x));
+      page.width=CastDoubleToSizeT((double) page.width-(bounding_box.x-page.x));
       page.x-=bounding_box.x;
       if (page.x < 0)
         page.x=0;
     }
   if ((page.y < 0) && (bounding_box.y >= 0))
     {
-      page.height=CastDoubleToUnsigned((double) page.height+page.y-
-        bounding_box.y);
+      page.height=CastDoubleToSizeT((double) page.height+page.y-bounding_box.y);
       page.y=0;
     }
   else
     {
-      page.height=CastDoubleToUnsigned((double) page.height-(bounding_box.y-
-        page.y));
+      page.height=CastDoubleToSizeT((double) page.height-(bounding_box.y-page.y));
       page.y-=bounding_box.y;
       if (page.y < 0)
         page.y=0;
diff --git a/MagickCore/visual-effects.c b/MagickCore/visual-effects.c
index 3fc82e07c7..9115a1ea47 100644
--- a/MagickCore/visual-effects.c
+++ b/MagickCore/visual-effects.c
@@ -2067,8 +2067,8 @@ MagickExport Image *ShadowImage(const Image *image,const double alpha,
     (void) SetImageColorspace(clone_image,sRGBColorspace,exception);
   (void) SetImageVirtualPixelMethod(clone_image,EdgeVirtualPixelMethod,
     exception);
-  border_info.width=CastDoubleToUnsigned(2.0*sigma+0.5);
-  border_info.height=CastDoubleToUnsigned(2.0*sigma+0.5);
+  border_info.width=CastDoubleToSizeT(2.0*sigma+0.5);
+  border_info.height=CastDoubleToSizeT(2.0*sigma+0.5);
   border_info.x=0;
   border_info.y=0;
   (void) QueryColorCompliance("none",AllCompliance,&clone_image->border_color,
diff --git a/coders/caption.c b/coders/caption.c
index 88f7152e9f..b39b5a06e3 100644
--- a/coders/caption.c
+++ b/coders/caption.c
@@ -169,7 +169,7 @@ static Image *ReadCAPTIONImage(const ImageInfo *image_info,
     return(DestroyImageList(image));
   (void) SetImageProperty(image,"caption",caption,exception);
   draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
-  width=CastDoubleToUnsigned(0.5*draw_info->pointsize*strlen(caption)+0.5);
+  width=CastDoubleToSizeT(0.5*draw_info->pointsize*strlen(caption)+0.5);
   if (AcquireMagickResource(WidthResource,width) == MagickFalse)
     {
       caption=DestroyString(caption);
@@ -277,10 +277,8 @@ static Image *ReadCAPTIONImage(const ImageInfo *image_info,
             if (status == MagickFalse)
               break;
             AdjustTypeMetricBounds(&metrics);
-            width=CastDoubleToUnsigned(metrics.width+draw_info->stroke_width+
-              0.5);
-            height=CastDoubleToUnsigned(
-              metrics.height-metrics.underline_position+
+            width=CastDoubleToSizeT(metrics.width+draw_info->stroke_width+0.5);
+            height=CastDoubleToSizeT(metrics.height-metrics.underline_position+
               draw_info->interline_spacing+draw_info->stroke_width+0.5);
             if ((image->columns != 0) && (image->rows != 0))
               {
@@ -312,8 +310,8 @@ static Image *ReadCAPTIONImage(const ImageInfo *image_info,
         if (status == MagickFalse)
           break;
         AdjustTypeMetricBounds(&metrics);
-        width=CastDoubleToUnsigned(metrics.width+draw_info->stroke_width+0.5);
-        height=CastDoubleToUnsigned(metrics.height-metrics.underline_position+
+        width=CastDoubleToSizeT(metrics.width+draw_info->stroke_width+0.5);
+        height=CastDoubleToSizeT(metrics.height-metrics.underline_position+
           draw_info->interline_spacing+draw_info->stroke_width+0.5);
         if ((image->columns != 0) && (image->rows != 0))
           {
diff --git a/coders/label.c b/coders/label.c
index 7b22944095..f428d21d6d 100644
--- a/coders/label.c
+++ b/coders/label.c
@@ -151,7 +151,7 @@ static Image *ReadLABELImage(const ImageInfo *image_info,
     return(DestroyImageList(image));
   (void) SetImageProperty(image,"label",label,exception);
   draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
-  width=CastDoubleToUnsigned(0.5*draw_info->pointsize*strlen(label)+0.5);
+  width=CastDoubleToSizeT(0.5*draw_info->pointsize*strlen(label)+0.5);
   if (AcquireMagickResource(WidthResource,width) == MagickFalse)
     {
       label=DestroyString(label);
@@ -214,10 +214,8 @@ static Image *ReadLABELImage(const ImageInfo *image_info,
               if (status == MagickFalse)
                 break;
               AdjustTypeMetricBounds(&metrics);
-              width=CastDoubleToUnsigned(metrics.width+draw_info->stroke_width+
-                0.5);
-              height=CastDoubleToUnsigned(
-                metrics.height-metrics.underline_position+
+              width=CastDoubleToSizeT(metrics.width+draw_info->stroke_width+0.5);
+              height=CastDoubleToSizeT(metrics.height-metrics.underline_position+
                 draw_info->stroke_width+0.5);
               if ((image->columns != 0) && (image->rows != 0))
                 {
@@ -251,8 +249,8 @@ static Image *ReadLABELImage(const ImageInfo *image_info,
           if (status == MagickFalse)
             break;
           AdjustTypeMetricBounds(&metrics);
-          width=CastDoubleToUnsigned(metrics.width+draw_info->stroke_width+0.5);
-          height=CastDoubleToUnsigned(metrics.height-metrics.underline_position+
+          width=CastDoubleToSizeT(metrics.width+draw_info->stroke_width+0.5);
+          height=CastDoubleToSizeT(metrics.height-metrics.underline_position+
             draw_info->stroke_width+0.5);
           if ((image->columns != 0) && (image->rows != 0))
             {
diff --git a/coders/mvg.c b/coders/mvg.c
index 3d1c5946a6..3c36e0b7d6 100644
--- a/coders/mvg.c
+++ b/coders/mvg.c
@@ -177,8 +177,8 @@ static Image *ReadMVGImage(const ImageInfo *image_info,ExceptionInfo *exception)
           &bounds.x2,&bounds.y2);
         if (count != 4)
           continue;
-        image->columns=CastDoubleToUnsigned(floor((bounds.x2-bounds.x1)+0.5));
-        image->rows=CastDoubleToUnsigned(floor((bounds.y2-bounds.y1)+0.5));
+        image->columns=CastDoubleToSizeT(floor((bounds.x2-bounds.x1)+0.5));
+        image->rows=CastDoubleToSizeT(floor((bounds.y2-bounds.y1)+0.5));
         break;
       }
     }
@@ -191,8 +191,8 @@ static Image *ReadMVGImage(const ImageInfo *image_info,ExceptionInfo *exception)
     96.0;
   draw_info->affine.sy=image->resolution.y == 0.0 ? 1.0 : image->resolution.y/
     96.0;
-  image->columns=CastDoubleToUnsigned(draw_info->affine.sx*image->columns);
-  image->rows=CastDoubleToUnsigned(draw_info->affine.sy*image->rows);
+  image->columns=CastDoubleToSizeT(draw_info->affine.sx*image->columns);
+  image->rows=CastDoubleToSizeT(draw_info->affine.sy*image->rows);
   status=SetImageExtent(image,image->columns,image->rows,exception);
   if (status == MagickFalse)
     {
diff --git a/coders/pcl.c b/coders/pcl.c
index 9eef4e7c6d..6c1b402989 100644
--- a/coders/pcl.c
+++ b/coders/pcl.c
@@ -337,8 +337,8 @@ static Image *ReadPCLImage(const ImageInfo *image_info,ExceptionInfo *exception)
     image->resolution.x,image->resolution.y);
   if (image_info->ping != MagickFalse)
     (void) FormatLocaleString(density,MagickPathExtent,"2.0x2.0");
-  page.width=CastDoubleToUnsigned(page.width*image->resolution.x/delta.x+0.5);
-  page.height=CastDoubleToUnsigned(page.height*image->resolution.y/delta.y+0.5);
+  page.width=CastDoubleToSizeT(page.width*image->resolution.x/delta.x+0.5);
+  page.height=CastDoubleToSizeT(page.height*image->resolution.y/delta.y+0.5);
   (void) FormatLocaleString(options,MagickPathExtent,"-g%.20gx%.20g ",(double)
     page.width,(double) page.height);
   image=DestroyImage(image);
diff --git a/coders/pdf.c b/coders/pdf.c
index 2079252deb..257410553f 100644
--- a/coders/pdf.c
+++ b/coders/pdf.c
@@ -1867,9 +1867,9 @@ static MagickBooleanType WritePDFImage(const ImageInfo *image_info,Image *image,
     (void) ParseMetaGeometry(temp,&geometry.x,&geometry.y,
       &geometry.width,&geometry.height);
     scale.x=(double) (geometry.width*delta.x)/resolution.x;
-    geometry.width=CastDoubleToUnsigned(scale.x+0.5);
+    geometry.width=CastDoubleToSizeT(scale.x+0.5);
     scale.y=(double) (geometry.height*delta.y)/resolution.y;
-    geometry.height=CastDoubleToUnsigned(scale.y+0.5);
+    geometry.height=CastDoubleToSizeT(scale.y+0.5);
     (void) ParseAbsoluteGeometry(temp,&media_info);
     (void) ParseGravityGeometry(image,temp,&page_info,exception);
     if (image->gravity != UndefinedGravity)
diff --git a/coders/png.c b/coders/png.c
index 23a96e4d00..c3e8b073fe 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -9530,27 +9530,27 @@ static MagickBooleanType WriteOnePNGImage(MngWriteInfo *mng_info,
       if (image->units == PixelsPerInchResolution)
         {
           ping_pHYs_unit_type=PNG_RESOLUTION_METER;
-          ping_pHYs_x_resolution=(png_uint_32) CastDoubleToUnsigned((100.0*
+          ping_pHYs_x_resolution=(png_uint_32) CastDoubleToSizeT((100.0*
             image->resolution.x)/2.54);
-          ping_pHYs_y_resolution=(png_uint_32) CastDoubleToUnsigned((100.0*
+          ping_pHYs_y_resolution=(png_uint_32) CastDoubleToSizeT((100.0*
             image->resolution.y+0.5)/2.54);
         }
 
       else if (image->units == PixelsPerCentimeterResolution)
         {
           ping_pHYs_unit_type=PNG_RESOLUTION_METER;
-          ping_pHYs_x_resolution=(png_uint_32) CastDoubleToUnsigned(100.0*
+          ping_pHYs_x_resolution=(png_uint_32) CastDoubleToSizeT(100.0*
             image->resolution.x);
-          ping_pHYs_y_resolution=(png_uint_32) CastDoubleToUnsigned(100.0*
+          ping_pHYs_y_resolution=(png_uint_32) CastDoubleToSizeT(100.0*
             image->resolution.y);
         }
 
       else
         {
           ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN;
-          ping_pHYs_x_resolution=(png_uint_32) CastDoubleToUnsigned(
+          ping_pHYs_x_resolution=(png_uint_32) CastDoubleToSizeT(
             image->resolution.x);
-          ping_pHYs_y_resolution=(png_uint_32) CastDoubleToUnsigned(
+          ping_pHYs_y_resolution=(png_uint_32) CastDoubleToSizeT(
             image->resolution.y);
         }
 
diff --git a/coders/ps.c b/coders/ps.c
index 8af2af7c86..da91adc7ec 100644
--- a/coders/ps.c
+++ b/coders/ps.c
@@ -1534,9 +1534,9 @@ static MagickBooleanType WritePSImage(const ImageInfo *image_info,Image *image,
     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
       &geometry.width,&geometry.height);
     scale.x=PerceptibleReciprocal(resolution.x)*geometry.width*delta.x;
-    geometry.width=CastDoubleToUnsigned(scale.x+0.5);
+    geometry.width=CastDoubleToSizeT(scale.x+0.5);
     scale.y=PerceptibleReciprocal(resolution.y)*geometry.height*delta.y;
-    geometry.height=CastDoubleToUnsigned(scale.y+0.5);
+    geometry.height=CastDoubleToSizeT(scale.y+0.5);
     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
     if (image->gravity != UndefinedGravity)
diff --git a/coders/ps2.c b/coders/ps2.c
index f8407828e1..b446ce90b2 100644
--- a/coders/ps2.c
+++ b/coders/ps2.c
@@ -527,9 +527,9 @@ static MagickBooleanType WritePS2Image(const ImageInfo *image_info,Image *image,
     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
       &geometry.width,&geometry.height);
     scale.x=PerceptibleReciprocal(resolution.x)*geometry.width*delta.x;
-    geometry.width=CastDoubleToUnsigned(scale.x+0.5);
+    geometry.width=CastDoubleToSizeT(scale.x+0.5);
     scale.y=PerceptibleReciprocal(resolution.y)*geometry.height*delta.y;
-    geometry.height=CastDoubleToUnsigned(scale.y+0.5);
+    geometry.height=CastDoubleToSizeT(scale.y+0.5);
     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
     if (image->gravity != UndefinedGravity)
diff --git a/coders/ps3.c b/coders/ps3.c
index d3e870cb2f..744961dd0d 100644
--- a/coders/ps3.c
+++ b/coders/ps3.c
@@ -985,9 +985,9 @@ static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image,
     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
       &geometry.width,&geometry.height);
     scale.x=PerceptibleReciprocal(resolution.x)*geometry.width*delta.x;
-    geometry.width=CastDoubleToUnsigned(scale.x+0.5);
+    geometry.width=CastDoubleToSizeT(scale.x+0.5);
     scale.y=PerceptibleReciprocal(resolution.y)*geometry.height*delta.y;
-    geometry.height=CastDoubleToUnsigned(scale.y+0.5);
+    geometry.height=CastDoubleToSizeT(scale.y+0.5);
     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
     if (image->gravity != UndefinedGravity)
diff --git a/coders/svg.c b/coders/svg.c
index b1ac0783d4..186d75006d 100644
--- a/coders/svg.c
+++ b/coders/svg.c
@@ -2499,10 +2499,10 @@ static void SVGStartElement(void *context,const xmlChar *name,
             svg_info->view_box=svg_info->bounds;
           svg_info->width=0;
           if (svg_info->bounds.width >= MagickEpsilon)
-            svg_info->width=CastDoubleToUnsigned(svg_info->bounds.width+0.5);
+            svg_info->width=CastDoubleToSizeT(svg_info->bounds.width+0.5);
           svg_info->height=0;
           if (svg_info->bounds.height >= MagickEpsilon)
-            svg_info->height=CastDoubleToUnsigned(svg_info->bounds.height+0.5);
+            svg_info->height=CastDoubleToSizeT(svg_info->bounds.height+0.5);
           (void) FormatLocaleFile(svg_info->file,"viewbox 0 0 %.20g %.20g\n",
             (double) svg_info->width,(double) svg_info->height);
           sx=PerceptibleReciprocal(svg_info->view_box.width)*svg_info->width;