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🔍 using markers for labels that won't fit on the screen anymore

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This commit is contained in:
Michael Straßburger 2016-09-28 18:43:53 +02:00
parent a2232a53dd
commit 3f01b85e81
1 changed files with 9 additions and 7 deletions
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16
src/Renderer.coffee
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@ -48,6 +48,7 @@ module.exports = class Renderer
poi_label:
minZoom: 3
margin: 5
cluster: true
isDrawing: false
lastDrawAt: 0
@ -138,11 +139,6 @@ module.exports = class Renderer
when "Polygon"
@canvas.polygon toDraw[0], colorCode
# points = toDraw[0]
# for y in [Math.max(0,Math.floor(data.minY/scale))..Math.min(@height, Math.floor(data.maxY/scale))] by 4
# for x in [Math.max(0, Math.floor(data.minX/scale))..Math.min(@width, Math.floor(data.maxX/scale))] by 2
# if utils.pointInPolygon points, [x, y]
# @canvas.background x, y, colorCode
when "Point"
text = feature.properties["name_"+@config.language] or
@ -155,8 +151,14 @@ module.exports = class Renderer
for points in toDraw
for point in points
x = point[0] - text.length
if @labelBuffer.writeIfPossible text, x, point[1], (@config.layers[layer]?.margin or @config.labelMargin)
@canvas.text text, x, point[1], colorCode, false
margin = @config.layers[layer]?.margin or @config.labelMargin
write = (text) => @canvas.text text, x, point[1], colorCode, false
if @labelBuffer.writeIfPossible text, x, point[1],
write text
else if @config.layers[layer]?.cluster and @labelBuffer.writeIfPossible "X", x, point[1], 3
write "◉"
_scaleAndReduce: (points, scale) ->
lastX = null