@@ -139,7 +139,19 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
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// Pixelated image rendering
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// http://phrogz.net/tmp/canvas_image_zoom.html
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// https://developer.mozilla.org/en-US/docs/Web/CSS/image-rendering
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- var initialStyle = '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;' ;
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+ var 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;' ;
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+ if ( fastImage ) {
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+ // Flip the SVG image as needed (around the proper center location)
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+ var axisScale = [
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+ ( xa . range [ 0 ] < xa . range [ 1 ] ) ? 1 : - 1 ,
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+ ( ya . range [ 0 ] < ya . range [ 1 ] ) ? - 1 : 1
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+ ] ;
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+ style += 'transform:' +
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+ strTranslate ( left + imageWidth / 2 + 'px' , top + imageHeight / 2 + 'px' ) +
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+ 'scale(' + axisScale [ 0 ] + ',' + axisScale [ 1 ] + ')' +
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+ strTranslate ( - left - imageWidth / 2 + 'px' , - top - imageHeight / 2 + 'px' ) + ';' ;
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+ }
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+ image3 . attr ( 'style' , style ) ;
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var p = new Promise ( function ( resolve ) {
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if ( trace . _hasZ ) {
@@ -175,23 +187,13 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
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}
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} )
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. then ( function ( ) {
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- var href , canvas , localStyle ;
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- localStyle = initialStyle ;
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+ var href , canvas ;
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if ( trace . _hasZ ) {
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canvas = drawMagnifiedPixelsOnCanvas ( function ( i , j ) { return z [ j ] [ i ] ; } ) ;
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href = canvas . toDataURL ( 'image/png' ) ;
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} else if ( trace . _hasSource ) {
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if ( fastImage ) {
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href = trace . source ;
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- // Flip the SVG image as needed (around the proper center location)
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- var axisScale = [
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- ( xa . range [ 0 ] < xa . range [ 1 ] ) ? 1 : - 1 ,
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- ( ya . range [ 0 ] < ya . range [ 1 ] ) ? - 1 : 1
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- ] ;
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- localStyle += 'transform:' +
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- strTranslate ( left + imageWidth / 2 + 'px' , top + imageHeight / 2 + 'px' ) +
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- 'scale(' + axisScale [ 0 ] + ',' + axisScale [ 1 ] + ')' +
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- strTranslate ( - left - imageWidth / 2 + 'px' , - top - imageHeight / 2 + 'px' ) + ';' ;
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} else {
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var context = trace . _canvas . el . getContext ( '2d' ) ;
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var data = context . getImageData ( 0 , 0 , w , h ) . data ;
@@ -213,8 +215,7 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
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height : imageHeight ,
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width : imageWidth ,
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x : left ,
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- y : top ,
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- style : localStyle
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+ y : top
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} ) ;
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} ) ;
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