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Fix download image and add image test for images with source and fast zsmooth #5386

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merged 4 commits into from
Jan 12, 2021
Merged

Fix download image and add image test for images with source and fast zsmooth #5386

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199418b
avoid name conflicts between fastImage and fast zsmooth
archmoj Jan 7, 2021
8743c6a
fixup download image when zsmooth is set to fast
archmoj Jan 7, 2021
03b9ef3
add image test for image trace with zsmooth
archmoj Jan 7, 2021
f83e287
When image's zsmooth is 'fast', only use a real image if it has source
antoinerg Jan 11, 2021
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13 changes: 8 additions & 5 deletions src/traces/image/plot.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,11 @@ 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._hasZ && trace._hasSource && xa.type === 'linear' && ya.type === 'linear';
trace._fastImage = fastImage;
var realImage = (
((trace.zsmooth === 'fast') || (trace.zsmooth === false && supportsPixelatedImage)) &&
!trace._hasZ && trace._hasSource && xa.type === 'linear' && ya.type === 'linear'
);
trace._realImage = realImage;

var z = cd0.z;
var x0 = cd0.x0;
Expand Down Expand Up @@ -73,7 +76,7 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
}

// Reduce image size when zoomed in to save memory
if(!fastImage) {
if(!realImage) {
var extra = 0.5; // half the axis size
left = Math.max(-extra * xa._length, left);
right = Math.min((1 + extra) * xa._length, right);
Expand Down Expand Up @@ -138,7 +141,7 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {

var style = (trace.zsmooth === false) ? constants.pixelatedStyle : '';

if(fastImage) {
if(realImage) {
var xRange = Lib.simpleMap(xa.range, xa.r2l);
var yRange = Lib.simpleMap(ya.range, ya.r2l);

Expand Down Expand Up @@ -194,7 +197,7 @@ module.exports = function plot(gd, plotinfo, cdimage, imageLayer) {
canvas = drawMagnifiedPixelsOnCanvas(function(i, j) {return z[j][i];});
href = canvas.toDataURL('image/png');
} else if(trace._hasSource) {
if(fastImage) {
if(realImage) {
href = trace.source;
} else {
var context = trace._canvas.el.getContext('2d');
Expand Down
Binary file added test/image/baselines/image_source_axis_reverse_zsmooth.png
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64 changes: 64 additions & 0 deletions test/image/mocks/image_source_axis_reverse_zsmooth.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
{
"data": [
{
"zsmooth": "fast",
"colormodel": "rgba",
"type": "image",
"source": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAlCAYAAAAA7LqSAAADmklEQVR4nO2XUWhTVxjHfyfdmKMN1oelK9QSLUVY2RWHrEKtLw66KQX30Ifpg0qxz31wb8O0UNjL1I3h09iDAy000D0Z0DJhEdslBXN7SwZBJmmbErKwNuU2UXDes4d4r700bib33KflD+Ge8+We78sv3/fdcy401VRTTTXVVFMIvxwnEhG5c97fP+lbLPARZHz8qBwY+AAA0zTp69MA/4B8cTo+flRq2n4MY42dMMFgEICRkZ+Uxw2odgigafudq2majn3nWLV8ATGMNdf44cPfd9lVyxeQwcF3MIw1gsEgY2OLzM9fYmDgPebnLzlQquVLj1y//pFcWan+R1eujLm+KxYTHDr0o/K4b6l2GI2efPnY3eTUqSMUiwmgBQDD+ANNC6sOCSgurUxmVAKUSpfp6tpHLJYiFksBL4AXaFr45Vy9lGUkkxmVhpEll9ukra1q6+raB+D68d3d76oK6ZKSjGQyozIWS5HLbVIujwCQyz0jHL4LVIHsT3f3r0xNfS3/zV8jUlpaNsT6eoS2tq/Q9TnSaZOZmRAzMyFKpcvo+hz5fEE5jGcQOxt2GeXzBQC2t6fY3p5y3bu+HnFsqmE8gdh9AThlZGtr67kzDoU6CIU6nPnGxioXLnzD0NCXLC7+rQTGE4jd3MePJ9H1OQBu3PjW2SO2tp6TTvfQ2dnhWjc9PSvs++2rVyl7aun6XTY2Vl22dLqHw4erp97Ozg6WlnqIRqfFqzVqIMADiL3x7cyGrb1733bGds8ArvK6f/+HRkPXVMNHhWj0pMzlNkkmw46tvT1NofAUTXtfPnnyrKbvgwf3yImJpPIznufSOns2C8Dt22EKhafMzq6KfL7XKpfZ1cStrUEeP/YasbY8Hd6KxS/kvXvfkc3eQdO+Z3j4kTh27BMrELCoVCpYlvUqkBBIKWltrb5cLSz8ojQrnpzZEOHwaYaHHwkAISSVSgWAlpYWDCMZMIxkwLIshBAIoXxTBzyA3Lr1p8xm7zA4+DnnzoUEwNWrnzkpEEKQSi04/peXFwMA5XKZoSGT8+c/tHZ7bVwNgcTjJQfixIl2AXDt2qeWlILe3iKAC8LW0lIicOZMdXzggNrDY90g8XhJPnjwswsCqiVlmn8hhETXf3ut38nJhC9vpXU5fR2ErWy2ws2by//pc2WlXE/YN9Ibg9gQ4fDpmhCgvlx8UTxekvF4qeYjJxLptyYmPq6reS9e7Kt7zf9C/wDLc4opp/2WUgAAAABJRU5ErkJggg=="
},
{
"zsmooth": "fast",
"colormodel": "rgba",
"type": "image",
"xaxis": "x2",
"yaxis": "y2",
"source": "data:image/png;base64,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"
},
{
"zsmooth": "fast",
"colormodel": "rgba",
"type": "image",
"xaxis": "x3",
"yaxis": "y3",
"source": "data:image/png;base64,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"
},
{
"zsmooth": "fast",
"colormodel": "rgba",
"type": "image",
"xaxis": "x4",
"yaxis": "y4",
"source": "data:image/png;base64,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"
}
],
"layout": {
"grid": {
"rows": 2,
"columns": 2,
"pattern": "independent"
},
"width": 600,
"height": 600,
"margin": {
"t": 35,
"l": 35,
"b": 35,
"r": 35
},
"xaxis2": {
"autorange": "reversed"
},
"yaxis3": {
"range": [
"8",
"32"
]
},
"yaxis4": {
"autorange": true
},
"xaxis4": {
"autorange": "reversed"
}
}
}
6 changes: 3 additions & 3 deletions test/jasmine/tests/image_test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -410,7 +410,7 @@ describe('image plot', function() {
var mockCopy = Lib.extendDeep({}, mock);
Plotly.newPlot(gd, mockCopy)
.then(function(gd) {
expect(gd.calcdata[0][0].trace._fastImage).toBeTruthy();
expect(gd.calcdata[0][0].trace._realImage).toBeTruthy();
})
.then(done, done.fail);
});
Expand All @@ -424,11 +424,11 @@ describe('image plot', function() {
var mockCopy = Lib.extendDeep({}, mock);
Plotly.newPlot(gd, mockCopy)
.then(function(gd) {
expect(gd.calcdata[0][0].trace._fastImage).toBe(true);
expect(gd.calcdata[0][0].trace._realImage).toBe(true);
return Plotly.relayout(gd, attr[0], attr[1]);
})
.then(function(gd) {
expect(gd.calcdata[0][0].trace._fastImage).toBe(false, 'when ' + attr[0] + ' is ' + attr[1]);
expect(gd.calcdata[0][0].trace._realImage).toBe(false, 'when ' + attr[0] + ' is ' + attr[1]);
})
.then(done, done.fail);
});
Expand Down
2 changes: 2 additions & 0 deletions test/jasmine/tests/mock_test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -655,6 +655,7 @@ var list = [
'image_non_numeric',
'image_opacity',
'image_source_axis_reverse',
'image_source_axis_reverse_zsmooth',
'image_with_gaps',
'image_with_heatmap',
'image_zmin_zmax',
Expand Down Expand Up @@ -1746,6 +1747,7 @@ figs['image_colormodel'] = require('@mocks/image_colormodel');
figs['image_non_numeric'] = require('@mocks/image_non_numeric');
figs['image_opacity'] = require('@mocks/image_opacity');
figs['image_source_axis_reverse'] = require('@mocks/image_source_axis_reverse');
figs['image_source_axis_reverse_zsmooth'] = require('@mocks/image_source_axis_reverse_zsmooth');
figs['image_with_gaps'] = require('@mocks/image_with_gaps');
figs['image_with_heatmap'] = require('@mocks/image_with_heatmap');
figs['image_zmin_zmax'] = require('@mocks/image_zmin_zmax');
Expand Down