From abd6679f58dc7d22a7ab9b3c5e9eff0edb25c62e Mon Sep 17 00:00:00 2001
From: Tomas Aparicio <tomas@aparicio.me>
Date: Tue, 7 Apr 2015 23:28:38 +0200
Subject: [PATCH] feat(#19): maximum image size

---
 options.go | 5 ++++-
 vips.go    | 4 ++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/options.go b/options.go
index 7b55734..d93cfaa 100644
--- a/options.go
+++ b/options.go
@@ -6,7 +6,10 @@ package bimg
 */
 import "C"
 
-const QUALITY = 80
+const (
+	QUALITY  = 80
+	MAX_SIZE = 16383
+)
 
 type Gravity int
 
diff --git a/vips.go b/vips.go
index fbd7b80..33f8933 100644
--- a/vips.go
+++ b/vips.go
@@ -113,6 +113,10 @@ func vipsExtract(image *C.struct__VipsImage, left, top, width, height int) (*C.s
 	var buf *C.struct__VipsImage
 	defer C.g_object_unref(C.gpointer(image))
 
+	if width > MAX_SIZE || height > MAX_SIZE {
+		return nil, errors.New("Maximum image size exceeded")
+	}
+
 	err := C.vips_extract_area_bridge(image, &buf, C.int(left), C.int(top), C.int(width), C.int(height))
 	if err != 0 {
 		return nil, catchVipsError()