166 static MagickBooleanType IsBoundsCleared(const Image *image1,  in IsBoundsCleared()  argument
183     p=GetVirtualPixels(image1,bounds->x,bounds->y+y,bounds->width,1,exception);  in IsBoundsCleared()
189       if ((GetPixelAlpha(image1,p) >= (Quantum) (QuantumRange/2)) &&  in IsBoundsCleared()
192       p+=GetPixelChannels(image1);  in IsBoundsCleared()
613 static RectangleInfo CompareImagesBounds(const Image *image1,  in CompareImagesBounds()  argument
636   GetPixelInfo(image1,&pixel1);  in CompareImagesBounds()
638   for (x=0; x < (ssize_t) image1->columns; x++)  in CompareImagesBounds()
640     p=GetVirtualPixels(image1,x,0,1,image1->rows,exception);  in CompareImagesBounds()
644     for (y=0; y < (ssize_t) image1->rows; y++)  in CompareImagesBounds()
646       GetPixelInfoPixel(image1,p,&pixel1);  in CompareImagesBounds()
650       p+=GetPixelChannels(image1);  in CompareImagesBounds()
653     if (y < (ssize_t) image1->rows)  in CompareImagesBounds()
656   if (x >= (ssize_t) image1->columns)  in CompareImagesBounds()
668   for (x=(ssize_t) image1->columns-1; x >= 0; x--)  in CompareImagesBounds()
670     p=GetVirtualPixels(image1,x,0,1,image1->rows,exception);  in CompareImagesBounds()
674     for (y=0; y < (ssize_t) image1->rows; y++)  in CompareImagesBounds()
676       GetPixelInfoPixel(image1,p,&pixel1);  in CompareImagesBounds()
680       p+=GetPixelChannels(image1);  in CompareImagesBounds()
683     if (y < (ssize_t) image1->rows)  in CompareImagesBounds()
687   for (y=0; y < (ssize_t) image1->rows; y++)  in CompareImagesBounds()
689     p=GetVirtualPixels(image1,0,y,image1->columns,1,exception);  in CompareImagesBounds()
693     for (x=0; x < (ssize_t) image1->columns; x++)  in CompareImagesBounds()
695       GetPixelInfoPixel(image1,p,&pixel1);  in CompareImagesBounds()
699       p+=GetPixelChannels(image1);  in CompareImagesBounds()
702     if (x < (ssize_t) image1->columns)  in CompareImagesBounds()
706   for (y=(ssize_t) image1->rows-1; y >= 0; y--)  in CompareImagesBounds()
708     p=GetVirtualPixels(image1,0,y,image1->columns,1,exception);  in CompareImagesBounds()
712     for (x=0; x < (ssize_t) image1->columns; x++)  in CompareImagesBounds()
714       GetPixelInfoPixel(image1,p,&pixel1);  in CompareImagesBounds()
718       p+=GetPixelChannels(image1);  in CompareImagesBounds()
721     if (x < (ssize_t) image1->columns)  in CompareImagesBounds()