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Clean up Renderer (still uses bluejay)

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This commit is contained in:
Christian Paul 2017-12-22 22:40:02 -08:00
parent f236f95383
commit bf8ebfd3df
1 changed files with 54 additions and 52 deletions
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102
src/Renderer.js
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@ -12,7 +12,6 @@ const simplify = require('simplify-js');
const Canvas = require('./Canvas');
const LabelBuffer = require('./LabelBuffer');
const Styler = require('./Styler');
const Tile = require('./Tile');
const utils = require('./utils');
const config = require('./config');
@ -44,7 +43,7 @@ class Renderer {
let ref;
const color = ((ref = this.styler.styleById['background']) !== null ?
ref.paint['background-color']
:
:
void 0
);
if (color) {
@ -110,11 +109,11 @@ class Renderer {
_getTile(tile) {
return this.tileSource
.getTile(tile.xyz.z, tile.xyz.x, tile.xyz.y)
.then((data) => {
tile.data = data;
return tile;
});
.getTile(tile.xyz.z, tile.xyz.x, tile.xyz.y)
.then((data) => {
tile.data = data;
return tile;
});
}
_getTileFeatures(tile, zoom) {
@ -143,8 +142,7 @@ class Renderer {
}
_renderTiles(tiles) {
var drawn, feature, i, j, k, l, label, labels, layer, layerId, len, len1, len2, len3, ref, ref1, tile;
drawn = {};
var feature, i, j, k, labels, layer, layerId, len, len1, len2, ref, ref1, tile;
labels = [];
ref = this._generateDrawOrder(tiles[0].xyz.z);
for (i = 0, len = ref.length; i < len; i++) {
@ -204,49 +202,53 @@ class Renderer {
}
switch (feature.style.type) {
case 'line':
let width = feature.style.paint['line-width'];
if (width instanceof Object) {
// TODO: apply the correct zoom based value
width = width.stops[0][1];
}
points = this._scaleAndReduce(tile, feature, feature.points, scale);
if (points.length) {
this.canvas.polyline(points, feature.color, width);
}
break;
case 'fill':
points = feature.points.map((p) => {
return this._scaleAndReduce(tile, feature, p, scale, false);
});
this.canvas.polygon(points, feature.color);
break;
case 'symbol':
const text = feature.label || (genericSymbol = config.poiMarker);
case 'line': {
let width = feature.style.paint['line-width'];
if (width instanceof Object) {
// TODO: apply the correct zoom based value
width = width.stops[0][1];
}
points = this._scaleAndReduce(tile, feature, feature.points, scale);
if (points.length) {
this.canvas.polyline(points, feature.color, width);
}
break;
}
case 'fill': {
points = feature.points.map((p) => {
return this._scaleAndReduce(tile, feature, p, scale, false);
});
this.canvas.polygon(points, feature.color);
break;
}
case 'symbol': {
const text = feature.label || (genericSymbol = config.poiMarker);
if (this._seen[text] && !genericSymbol) {
return false;
}
if (this._seen[text] && !genericSymbol) {
return false;
}
placed = false;
const points2 = this._scaleAndReduce(tile, feature, feature.points, scale);
for (const point of points2) {
let ref1, ref2;
const x = point.x - text.length;
const margin = ((ref1 = config.layers[feature.layer]) != null ? ref1.margin : void 0) || config.labelMargin;
if (this.labelBuffer.writeIfPossible(text, x, point.y, feature, margin)) {
this.canvas.text(text, x, point.y, feature.color);
placed = true;
break;
} else if (((ref2 = config.layers[feature.layer]) != null ? ref2.cluster : void 0) && this.labelBuffer.writeIfPossible(config.poiMarker, point.x, point.y, feature, 3)) {
this.canvas.text(config.poiMarker, point.x, point.y, feature.color);
placed = true;
break;
}
}
if (placed) {
this._seen[text] = true;
placed = false;
const points2 = this._scaleAndReduce(tile, feature, feature.points, scale);
for (const point of points2) {
let ref1, ref2;
const x = point.x - text.length;
const margin = ((ref1 = config.layers[feature.layer]) != null ? ref1.margin : void 0) || config.labelMargin;
if (this.labelBuffer.writeIfPossible(text, x, point.y, feature, margin)) {
this.canvas.text(text, x, point.y, feature.color);
placed = true;
break;
} else if (((ref2 = config.layers[feature.layer]) != null ? ref2.cluster : void 0) && this.labelBuffer.writeIfPossible(config.poiMarker, point.x, point.y, feature, 3)) {
this.canvas.text(config.poiMarker, point.x, point.y, feature.color);
placed = true;
break;
}
}
if (placed) {
this._seen[text] = true;
}
break;
}
}
return true;
}
@ -324,7 +326,7 @@ class Renderer {
'road_label',
'housenum_label',
];
}
}
}
}