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POTooltip is not able to view on Translate position after panning Image on Canvas?
 

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  1. POTooltip is not able to view on Translate position after panning Image on Canvas?
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    <p>Following is my Code for reference.</p> <ol> <li>One main image is display on Canvas.</li> <li>On that image with <strong>dataJSON</strong> object I am passing x and y co-ordinates and drawing ball images there.</li> <li>Then tooltip is added. <strong>(function tooltipFunc)</strong></li> <li>But when I am panning image then tooltip is not visible on those balls images on hover.**</li> <li>In <strong>tooltipFunc</strong> function, <strong>if</strong> code is for default position when page loads first time. And <strong>else</strong> code is for translate positions when we are panning the image to show the tooltip.</li> <li>But after panning, when mousehover on balls images then tooltip is not visible. When I click on those ball images then tooltip is visible but not on the translate position.</li> </ol> <p><strong>Any suggestions?</strong></p> <p>//Following is Code for reference</p> <pre><code>var isDown = false; var startCoords = []; var last = [0, 0]; canvas.onmousedown = function(e){ isDown = true; startCoords = [ e.offsetX - last[0], e.offsetY - last[1] ]; }; canvas.onmouseup = function(e){ isDown = false; last = [ e.offsetX - startCoords[0], // set last coordinates e.offsetY - startCoords[1] ]; //tooltipFunc(e); }; canvas.onmousemove = function(e){ tooltipFunc(e); //tooltip function if(!isDown) return; var x = e.offsetX; var y = e.offsetY; context.setTransform(1, 0, 0, 1, x - startCoords[0], y - startCoords[1]); draw1(scaleValue);//redrawing image on canvas while panning image } function tooltipFunc(e){ var translationX, translationY; var r = canvas.getBoundingClientRect(), x = e.clientX - r.left, y = e.clientY - r.top, i = 0, r, inTooltip = false; if((typeof startCoords[0] === 'undefined' || startCoords[0] === 'NaN') &amp;&amp; (typeof startCoords[1] === 'undefined' || startCoords[1] === 'NaN')){ for (; r = dataJSON[i]; i++) { if (x &gt;= parseInt(dataJSON[i].x[0] * scaleValue) + parseInt(scaleValue) &amp;&amp; x &lt;= parseInt(dataJSON[i].x[0] * scaleValue) + parseInt(20/scaleValue) &amp;&amp; y &gt;= parseInt(dataJSON[i].y[0] * scaleValue) &amp;&amp; y &lt;= parseInt(dataJSON[i].y[0] * scaleValue) + parseInt(20/scaleValue)) { clearTooltip(); showTooltip(e.clientX, e.clientY, i); inTooltip = true; } } } else{ for (; r = dataJSON[i]; i++) { translationX = parseInt(x) - parseInt(startCoords[0]); translationY = parseInt(y) - parseInt(startCoords[1]); if (x &gt;= parseInt(dataJSON[i].x[0] * scaleValue) + parseInt(translationX) + parseInt(scaleValue) &amp;&amp; x &lt;= parseInt(dataJSON[i].x[0] * scaleValue) + parseInt(translationX) + parseInt(20/scaleValue) &amp;&amp; y &gt;= parseInt(dataJSON[i].y[0] * scaleValue) + parseInt(translationY) &amp;&amp; y &lt;= parseInt(dataJSON[i].y[0] * scaleValue) + parseInt(translationY) + parseInt(20/scaleValue)) { clearTooltip(); var newX = e.clientX - translationX; var newY = e.clientY - translationY showTooltip(newX, newY, i); inTooltip = true; } } } } </code></pre>
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