From ca0895b72212a1662604c81cd4b7454e9e94d03f Mon Sep 17 00:00:00 2001
From: = <=>
Date: Sat, 29 Nov 2014 09:30:16 +0800
Subject: [PATCH] 	Fixes CanvasFrame not display pictures of BUG in MAC
 OS environment and java 1.7.0+

---
 src/main/java/org/bytedeco/javacv/CanvasFrame.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/org/bytedeco/javacv/CanvasFrame.java b/src/main/java/org/bytedeco/javacv/CanvasFrame.java
index 76da5cd9..218b7bc7 100644
--- a/src/main/java/org/bytedeco/javacv/CanvasFrame.java
+++ b/src/main/java/org/bytedeco/javacv/CanvasFrame.java
@@ -196,6 +196,9 @@ protected void initCanvas(boolean fullScreen, DisplayMode displayMode, double ga
                 // NullPointerException or IllegalStateException,
                 // but otherwise seems to work fine.
                 try {
+                    if (canvas.getWidth() <= 0 || canvas.getHeight() <= 0) {
+                        return;
+                    }
                     BufferStrategy strategy = canvas.getBufferStrategy();
                     do {
                         do {