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3 Commits

Author SHA1 Message Date
Willem Dantuma
795e8fdf0e Fix double scaling issue
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FarmMaps.Develop/FarmMapsLib/develop This commit looks good
2020-02-26 19:29:34 +01:00
Willem Dantuma
007448878b Revert "Revert "Fix thumbnail scaling on zoomed browser""
This reverts commit ebf362e9a9.
2020-02-26 17:21:02 +01:00
Willem Dantuma
ebf362e9a9 Revert "Fix thumbnail scaling on zoomed browser"
This reverts commit 1c70e3495f.
2020-02-26 17:03:00 +01:00
3 changed files with 17 additions and 61 deletions

View File

@ -1,8 +1,10 @@
<div *ngIf="feature;let feature" class="row m-0"> <div *ngIf="feature;let feature" class="d-flex m-0">
<div #container class="col-3 p-1"> <div class="p-2">
<canvas #canvas class="thumbnail"></canvas> <div #container class="thumbnail">
<canvas #canvas ></canvas>
</div> </div>
<div class="col p-2"> </div>
<div class="flex-grow p-2 overflow-hidden">
<h1 class="card-title" title="{{feature.get('name')}}">{{feature.get('name')}}</h1> <h1 class="card-title" title="{{feature.get('name')}}">{{feature.get('name')}}</h1>
<div class="card-text"><span>{{areaInHa(feature)| number:'1.2-2'}} ha</span>&nbsp;<span>{{feature.get('cropTypeName')}}</span> </div> <div class="card-text"><span>{{areaInHa(feature)| number:'1.2-2'}} ha</span>&nbsp;<span>{{feature.get('cropTypeName')}}</span> </div>
<div class="card-text"><span>{{feature.get('datadate')|date}}</span> - <span>{{feature.get('dataenddate')|date}}</span> </div> <div class="card-text"><span>{{feature.get('datadate')|date}}</span> - <span>{{feature.get('dataenddate')|date}}</span> </div>

View File

@ -9,18 +9,10 @@
text-overflow: ellipsis; text-overflow: ellipsis;
} }
.thumbnail > img { .card-text {
width: 100%; overflow: hidden;
height: auto; white-space: nowrap;
} text-overflow: ellipsis;
.thumbnail > div {
width: 100%;
font-size: 2rem;
text-align: center;
min-height: 3rem;
color: white;
padding-top: 0.5rem;
} }
.col { .col {
@ -28,7 +20,7 @@
} }
.thumbnail { .thumbnail {
width: 100%; width: 4em;
height: 100%; height: 4em;
} }

View File

@ -35,47 +35,9 @@ export class FeatureListFeatureCropfieldComponent extends AbstractFeatureListFea
return getArea(feature.getGeometry(),{projectio:"EPSG:3857"}) / 10000; return getArea(feature.getGeometry(),{projectio:"EPSG:3857"}) / 10000;
} }
scaleCanvas(canvas, context, width, height) {
// assume the device pixel ratio is 1 if the browser doesn't specify it
const devicePixelRatio = window.devicePixelRatio || 1;
// determine the 'backing store ratio' of the canvas context
const backingStoreRatio = (
context.webkitBackingStorePixelRatio ||
context.mozBackingStorePixelRatio ||
context.msBackingStorePixelRatio ||
context.oBackingStorePixelRatio ||
context.backingStorePixelRatio || 1
);
// determine the actual ratio we want to draw at
const ratio = devicePixelRatio / backingStoreRatio;
if (devicePixelRatio !== backingStoreRatio) {
// set the 'real' canvas size to the higher width/height
canvas.width = width * ratio;
canvas.height = height * ratio;
// ...then scale it back down with CSS
canvas.style.width = width + 'px';
canvas.style.height = height + 'px';
}
else {
// this is a normal 1:1 device; just scale it simply
canvas.width = width;
canvas.height = height;
canvas.style.width = '';
canvas.style.height = '';
}
// scale the drawing context so everything will work at the higher ratio
context.scale(ratio, ratio);
}
render(canvas,width,height,feature:Feature) { render(canvas,width,height,feature:Feature) {
let canvasContext = canvas.getContext( '2d',{width:width,height:height}); let renderContext = render.toContext(canvas.getContext( '2d'),{ size: [width, height] });
this.scaleCanvas(canvas,canvasContext,width,height);
let renderContext = render.toContext(canvasContext);
let strokeStyle = new style.Style({ let strokeStyle = new style.Style({
stroke: new style.Stroke({ color: 'black',width:1.5 }) stroke: new style.Stroke({ color: 'black',width:1.5 })
@ -88,7 +50,7 @@ export class FeatureListFeatureCropfieldComponent extends AbstractFeatureListFea
let dxy = extent.getCenter(e), let dxy = extent.getCenter(e),
sxy = [ sxy = [
(width - 2 ) / extent.getWidth(e), (width - 2 ) / extent.getWidth(e),
(height -2 ) / extent.getHeight(e) (height - 2 ) / extent.getHeight(e)
]; ];
let dx = dxy[0], let dx = dxy[0],
@ -106,8 +68,8 @@ export class FeatureListFeatureCropfieldComponent extends AbstractFeatureListFea
ngAfterViewInit() { ngAfterViewInit() {
this.render(this.canvas.nativeElement, this.render(this.canvas.nativeElement,
this.container.nativeElement.offsetWidth, this.container.nativeElement.offsetWidth,
this.container.nativeElement.offsetHeight, this.container.nativeElement.offsetHeight,
this.feature); this.feature);
} }
} }