From df5f84d13cdf994240b9d83f9add2319a9146714 Mon Sep 17 00:00:00 2001
From: John Buckley <nhoj.buckley@gmail.com>
Date: Thu, 10 Aug 2017 10:29:02 +0100
Subject: [PATCH] Window no longer draws shadow if shadow size == 0. (#242)

---
 src/window.cpp | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/window.cpp b/src/window.cpp
index 2aaf48050a..c7a5cc8350 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -78,19 +78,21 @@ void Window::draw(NVGcontext *ctx) {
 
 
     /* Draw a drop shadow */
-    NVGpaint shadowPaint = nvgBoxGradient(
-        ctx, mPos.x(), mPos.y(), mSize.x(), mSize.y(), cr*2, ds*2,
-        mTheme->mDropShadow, mTheme->mTransparent);
+    if (ds > 0) {
+        NVGpaint shadowPaint = nvgBoxGradient(
+            ctx, mPos.x(), mPos.y(), mSize.x(), mSize.y(), cr*2, ds*2,
+            mTheme->mDropShadow, mTheme->mTransparent);
 
-    nvgSave(ctx);
-    nvgResetScissor(ctx);
-    nvgBeginPath(ctx);
-    nvgRect(ctx, mPos.x()-ds,mPos.y()-ds, mSize.x()+2*ds, mSize.y()+2*ds);
-    nvgRoundedRect(ctx, mPos.x(), mPos.y(), mSize.x(), mSize.y(), cr);
-    nvgPathWinding(ctx, NVG_HOLE);
-    nvgFillPaint(ctx, shadowPaint);
-    nvgFill(ctx);
-    nvgRestore(ctx);
+        nvgSave(ctx);
+        nvgResetScissor(ctx);
+        nvgBeginPath(ctx);
+        nvgRect(ctx, mPos.x()-ds,mPos.y()-ds, mSize.x()+2*ds, mSize.y()+2*ds);
+        nvgRoundedRect(ctx, mPos.x(), mPos.y(), mSize.x(), mSize.y(), cr);
+        nvgPathWinding(ctx, NVG_HOLE);
+        nvgFillPaint(ctx, shadowPaint);
+        nvgFill(ctx);
+        nvgRestore(ctx);
+    }
 
     if (!mTitle.empty()) {
         /* Draw header */