This patch changes xli to no longer try to use libjpeg's scaling

functionality, handling zooming JPEGs like any other image type.

It seems there was a regression in libjpeg's scaling functionality

between libjpeg62 and libjpeg8, see: http://bugs.debian.org/677113

Index: xli-1.17.0+20061110/jpeg.c

===================================================================

--- xli-1.17.0+20061110.orig/jpeg.c

+++ xli-1.17.0+20061110/jpeg.c

@@ -248,20 +248,6 @@ Image *jpegLoad(char *fullname, ImageOpt

 	if (verbose)

 		describe_jpeg(&cinfo, fullname);

-	if (image_ops->iscale > 0 && image_ops->iscale < 4) {

-		cinfo.scale_num = 1;

-		cinfo.scale_denom = 1 << image_ops->iscale;

-	} else if (image_ops->iscale_auto) {

-		image_ops->iscale = 0;

-		while (image_ops->iscale < 3 && (cinfo.image_width >>

-				image_ops->iscale > globals.dinfo.width * .9 ||

-				cinfo.image_height >> image_ops->iscale >

-				globals.dinfo.height * .9))

-			image_ops->iscale += 1;

-		cinfo.scale_denom = 1 << image_ops->iscale;

-		if (verbose)

-			printf("auto-scaling to 1/%d\n", cinfo.scale_denom);

-	}

 	znocache(zfp);

 	jpeg_start_decompress(&cinfo);

@@ -288,8 +274,6 @@ Image *jpegLoad(char *fullname, ImageOpt

 	}

 	image->gamma = RETURN_GAMMA;

-	if (cinfo.scale_denom > 1)

-		image->flags |= FLAG_ISCALE;

 	rowbytes = cinfo.output_width * cinfo.output_components;

 	assert(image->pixlen * image->width == rowbytes);