From 3717cbe7429e1266be24a19ce406f601f3718410 Mon Sep 17 00:00:00 2001
From: Antoine Roy-Gobeil <antoine@plot.ly>
Date: Wed, 19 Aug 2020 11:48:29 -0400
Subject: [PATCH] Rename _isFrom(Z|Source) to _has(Z|Source)

---
 src/traces/image/calc.js     |  4 ++--
 src/traces/image/defaults.js | 10 +++++-----
 src/traces/image/hover.js    |  4 ++--
 src/traces/image/plot.js     | 10 +++++-----
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/src/traces/image/calc.js b/src/traces/image/calc.js
index 26638511f5c..7a21300ed72 100644
--- a/src/traces/image/calc.js
+++ b/src/traces/image/calc.js
@@ -20,10 +20,10 @@ var Buffer = require('buffer/').Buffer;  // note: the trailing slash is importan
 module.exports = function calc(gd, trace) {
     var h;
     var w;
-    if(trace._isFromZ) {
+    if(trace._hasZ) {
         h = trace.z.length;
         w = maxRowLength(trace.z);
-    } else if(trace._isFromSource) {
+    } else if(trace._hasSource) {
         var size = getImageSize(trace.source);
         h = size.height;
         w = size.width;
diff --git a/src/traces/image/defaults.js b/src/traces/image/defaults.js
index 132f94476ba..dba4fc5711c 100644
--- a/src/traces/image/defaults.js
+++ b/src/traces/image/defaults.js
@@ -20,11 +20,11 @@ module.exports = function supplyDefaults(traceIn, traceOut) {
     coerce('source');
     // sanitize source to only allow for data URI representing images
     if(traceOut.source && !traceOut.source.match(dataUri)) delete traceOut.source;
-    traceOut._isFromSource = !!traceOut.source;
+    traceOut._hasSource = !!traceOut.source;
 
     var z = coerce('z');
-    traceOut._isFromZ = !(z === undefined || !z.length || !z[0] || !z[0].length);
-    if(!traceOut._isFromZ && !traceOut._isFromSource) {
+    traceOut._hasZ = !(z === undefined || !z.length || !z[0] || !z[0].length);
+    if(!traceOut._hasZ && !traceOut._hasSource) {
         traceOut.visible = false;
         return;
     }
@@ -34,11 +34,11 @@ module.exports = function supplyDefaults(traceIn, traceOut) {
     coerce('dx');
     coerce('dy');
 
-    if(traceOut._isFromZ) {
+    if(traceOut._hasZ) {
         coerce('colormodel');
         coerce('zmin', constants.colormodel[traceOut.colormodel].min);
         coerce('zmax', constants.colormodel[traceOut.colormodel].max);
-    } else if(traceOut._isFromSource) {
+    } else if(traceOut._hasSource) {
         traceOut.colormodel = 'rgba';
         traceOut.zmin = constants.colormodel[traceOut.colormodel].min;
         traceOut.zmax = constants.colormodel[traceOut.colormodel].max;
diff --git a/src/traces/image/hover.js b/src/traces/image/hover.js
index 92b49ab090d..9e977d88c83 100644
--- a/src/traces/image/hover.js
+++ b/src/traces/image/hover.js
@@ -29,9 +29,9 @@ module.exports = function hoverPoints(pointData, xval, yval) {
     var ny = Math.floor(Math.abs(yval - cd0.y0) / trace.dy);
 
     var pixel;
-    if(trace._isFromZ) {
+    if(trace._hasZ) {
         pixel = cd0.z[ny][nx];
-    } else if(trace._isFromSource) {
+    } else if(trace._hasSource) {
         pixel = trace._canvas.el.getContext('2d').getImageData(nx, ny, 1, 1).data;
     }
 
diff --git a/src/traces/image/plot.js b/src/traces/image/plot.js
index 1c37aa0033f..21b8b5e2eab 100644
--- a/src/traces/image/plot.js
+++ b/src/traces/image/plot.js
@@ -31,7 +31,7 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
         var plotGroup = d3.select(this);
         var cd0 = cd[0];
         var trace = cd0.trace;
-        var fastImage = supportsPixelatedImage && trace._isFromSource && compatibleAxis(xa) && compatibleAxis(ya);
+        var fastImage = supportsPixelatedImage && trace._hasSource && compatibleAxis(xa) && compatibleAxis(ya);
         trace._fastImage = fastImage;
 
         var z = cd0.z;
@@ -147,9 +147,9 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
             .attr('style', 'image-rendering: optimizeSpeed; image-rendering: -moz-crisp-edges; image-rendering: -o-crisp-edges; image-rendering: -webkit-optimize-contrast; image-rendering: optimize-contrast; image-rendering: crisp-edges; image-rendering: pixelated;');
 
         var p = new Promise(function(resolve) {
-            if(trace._isFromZ) {
+            if(trace._hasZ) {
                 resolve();
-            } else if(trace._isFromSource) {
+            } else if(trace._hasSource) {
                 // Check if canvas already exists and has the right data
                 if(
                     trace._canvas &&
@@ -185,9 +185,9 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
                 href = trace.source;
             } else {
                 var canvas;
-                if(trace._isFromZ) {
+                if(trace._hasZ) {
                     canvas = drawMagnifiedPixelsOnCanvas(function(i, j) {return z[j][i];});
-                } else if(trace._isFromSource) {
+                } else if(trace._hasSource) {
                     var context = trace._canvas.el.getContext('2d');
                     var data = context.getImageData(0, 0, w, h).data;
                     canvas = drawMagnifiedPixelsOnCanvas(function(i, j) {