From d635c297a2cc0cd7ea8c43c3823cf1e876bea9b6 Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Sat, 3 May 2014 22:14:21 +0100
Subject: [PATCH] Replace use of deprecated libvips conv method.

Ensure unref of mask to fix minor memory leak of ~150 bytes/image.
---
 src/sharp.cc | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/sharp.cc b/src/sharp.cc
index c468e37b..70392353 100755
--- a/src/sharp.cc
+++ b/src/sharp.cc
@@ -241,14 +241,16 @@ class ResizeWorker : public NanAsyncWorker {
     // Mild sharpen
     VipsImage *sharpened = vips_image_new();
     if (baton->sharpen) {
-      INTMASK* sharpen = im_create_imaskv("sharpen", 3, 3,
-        -1, -1, -1,
-        -1, 32, -1,
-        -1, -1, -1);
-      sharpen->scale = 24;
-      if (im_conv(canvased, sharpened, sharpen)) {
+      VipsImage *sharpen = vips_image_new_matrixv(3, 3,
+        -1.0, -1.0, -1.0,
+        -1.0, 32.0, -1.0,
+        -1.0, -1.0, -1.0);
+      vips_image_set_double(sharpen, "scale", 24);
+      if (vips_conv(canvased, &sharpened, sharpen, NULL)) {
+        g_object_unref(sharpen);
         return resize_error(baton, canvased);
       }
+      g_object_unref(sharpen);
     } else {
       vips_copy(canvased, &sharpened, NULL);
     }