From 936576e7d973751aa3f0fef4b56fa8d00db37888 Mon Sep 17 00:00:00 2001
From: meeki007 <5952964+meeki007@users.noreply.github.com>
Date: Wed, 16 Dec 2020 08:56:45 -0500
Subject: [PATCH] Add labelLocation options to node

---
 utility/annotate-image/annotate.js | 45 ++++++++++++++++++++++++++++--
 1 file changed, 43 insertions(+), 2 deletions(-)

diff --git a/utility/annotate-image/annotate.js b/utility/annotate-image/annotate.js
index 2b1b35e6..99a288ac 100644
--- a/utility/annotate-image/annotate.js
+++ b/utility/annotate-image/annotate.js
@@ -21,7 +21,7 @@ module.exports = function(RED) {
         const defaultStroke = n.stroke || "#ffC000";
         const defaultLineWidth = parseInt(n.lineWidth) || 5;
         const defaultFontSize = n.fontSize || 24;
-        const defaultFontColor = n.fontColor || "#ffC000"
+        const defaultFontColor = n.fontColor || "#ffC000";
         loadFont();
 
         this.on("input", function(msg) {
@@ -83,7 +83,46 @@ module.exports = function(RED) {
                                         ctx.fillStyle = annotation.fontColor || defaultFontColor;
                                         ctx.textBaseline = "top";
                                         ctx.textAlign = "left";
-                                        ctx.fillText(annotation.label, x+2,y)
+                                        //set offset value so txt is above or below image
+                                        if (annotation.labelLocation)
+                                        {
+                                          if (annotation.labelLocation === "top")
+                                          {
+                                            y = y - (20+((defaultLineWidth*0.5)+(Number(defaultFontSize))));
+                                            if (y < 0)
+                                            {
+                                              y = 0;
+                                            }
+                                          }
+                                          else if (annotation.labelLocation === "bottom")
+                                          {
+                                            y = y + (10+h+(((defaultLineWidth*0.5)+(Number(defaultFontSize)))));
+                                            ctx.textBaseline = "bottom";
+
+                                          }
+                                        }
+                                        //if not user defined make best guess for top or bottom based on location
+                                        else
+                                        {
+                                          //not enought room above imagebox, put label on the bottom
+                                          if (y < 0 + (20+((defaultLineWidth*0.5)+(Number(defaultFontSize)))))
+                                          {
+                                            y = y + (10+h+(((defaultLineWidth*0.5)+(Number(defaultFontSize)))));
+                                            ctx.textBaseline = "bottom";
+                                          }
+                                          //else put the label on the top
+                                          else
+                                          {
+                                            y = y - (20+((defaultLineWidth*0.5)+(Number(defaultFontSize))));
+                                            if (y < 0)
+                                            {
+                                              y = 0;
+                                            }
+                                          }
+                                        }
+
+
+                                        ctx.fillText(annotation.label, x,y);
                                     }
                                 break;
                                 case 'circle':
@@ -114,6 +153,8 @@ module.exports = function(RED) {
                         const bufferOutput = getWritableBuffer();
                         pureimage.encodeJPEGToStream(c,bufferOutput.stream,90).then(() => {
                             msg.payload = bufferOutput.getBuffer();
+                            msg.defaultFontSize = defaultFontSize;
+
                             node.send(msg);
                         })
                     }).catch(err => {