Add scale stroke option
charlesr1971 opened this issue · comments
It would be great if we could have an option called for Group objects:
ScaleStroke: true/false
It is a little tedious having to alter the stroke value of each child object on top of scaling the parent object
Thanks for reporting this issue. Could you post some of your tedious code? I'm trying to understand how to best address this issue.
@desandro I think you have documented the fact that stroke is not scaled. I was just thinking that it might make it easier, if we could use a 'scaleStroke' option for objects that have a 'stroke' property. This would be similar to Adobe Illustrator, where there is the option to scale stroke, when scaling a shape.
OK. Here is the code, which consists of a group of objects with different strokes that make up a single entity, which I want to scale, so that all the child objects, scale relative to one another. I have included my current scaling solution:
var zdogCanvas = document.getElementById('zdog-canvas');
var ctx = zdogCanvas.getContext('2d');
zdogCanvas.setAttribute('width',window.innerWidth);
var illo = new Zdog.Illustration({
element: '.zdog-canvas',
});
var logoGroup = new Zdog.Group({
addTo: illo,
translate: { x: -200, y: -160, z: 0},
updateSort: true,
});
var ellipse = new Zdog.Ellipse({
addTo: logoGroup,
diameter: 250,
stroke: 40,
color: '#7AABBC',
fill: true,
translate: { x: 0, y: 0, z: 0 },
});
var balls = [];
var ballGroup = new Zdog.Group({
addTo: logoGroup,
translate: { x: 0, y: 0, z: 0 },
});
var ball1 = new Zdog.Shape({
addTo: ballGroup,
stroke: 30,
color: '#FFF',
translate: { x: -55, y: -88, z: 50 },
visible: true,
});
balls.push({obj: ball1, stroke: 30, z: 50});
var ball2 = ball1.copyGraph({
addTo: ballGroup,
translate: { x: 82, y: -37, z: 50 },
stroke: 28.5,
color: '#FFF',
});
balls.push({obj: ball2, stroke: 28.5, z: 50});
var ball3 = ball1.copyGraph({
addTo: ballGroup,
translate: { x: 25, y: -120, z: 50 },
stroke: 19.5,
color: '#FFF',
});
balls.push({obj: ball3, stroke: 19.5, z: 50});
var ball4 = ball1.copyGraph({
addTo: ballGroup,
translate: { x: -90, y: -12, z: 50 },
stroke: 19.5,
color: '#FFF',
});
balls.push({obj: ball4, stroke: 19.5, z: 50});
var personGroup = new Zdog.Group({
addTo: logoGroup,
scale: 0.7,
translate: { x: -88, y: -80, z: 35 },
});
var personBody = new Zdog.Shape({
addTo: personGroup,
path: makeZDogBezier([{"x":119.21,"y":281.69},{"x":119.21,"y":281.54},{"x":118.98,"y":274.64},{"x":118.94,"y":271.62},{"x":118.89,"y":268.61},{"x":118.87,"y":265.01},{"x":118.91,"y":260.98},{"x":118.94,"y":256.96},{"x":119.03,"y":252.49},{"x":119.21,"y":247.73},{"x":119.25,"y":246.43},{"x":119.49,"y":244.98},{"x":119.86,"y":243.45},{"x":120.24,"y":241.92},{"x":120.75,"y":240.3},{"x":121.38,"y":238.65},{"x":122,"y":237},{"x":125.18,"y":230.44},{"x":126.07,"y":228.93},{"x":122.89,"y":92.54},{"x":123.12,"y":92.54},{"x":123,"y":70.28},{"x":126.6,"y":70.28},{"x":130.03,"y":69.41},{"x":133.15,"y":67.82},{"x":136.27,"y":66.24},{"x":139.08,"y":63.94},{"x":141.45,"y":61.1},{"x":143.82,"y":58.27},{"x":145.73,"y":54.89},{"x":147.05,"y":51.15},{"x":148.37,"y":47.4},{"x":149.11,"y":43.29},{"x":149.11,"y":38.97},{"x":149.11,"y":34.66},{"x":148.38,"y":30.54},{"x":147.05,"y":26.8},{"x":145.73,"y":23.05},{"x":143.82,"y":19.68},{"x":141.45,"y":16.84},{"x":139.09,"y":14.01},{"x":136.27,"y":11.71},{"x":133.15,"y":10.12},{"x":130.03,"y":8.54},{"x":126.6,"y":7.66},{"x":123,"y":7.66},{"x":119.4,"y":7.66},{"x":115.97,"y":8.54},{"x":112.85,"y":10.12},{"x":109.73,"y":11.71},{"x":106.91,"y":14.01},{"x":104.55,"y":16.84},{"x":102.18,"y":19.68},{"x":100.27,"y":23.05},{"x":98.95,"y":26.8},{"x":97.62,"y":30.54},{"x":96.89,"y":34.66},{"x":96.89,"y":38.97},{"x":96.89,"y":43.29},{"x":97.62,"y":47.4},{"x":98.95,"y":51.15},{"x":100.27,"y":54.89},{"x":102.18,"y":58.27},{"x":104.55,"y":61.1},{"x":106.91,"y":63.94},{"x":109.73,"y":66.23},{"x":112.85,"y":67.82},{"x":115.97,"y":69.41},{"x":119.4,"y":70.28},{"x":123,"y":70.28},{"x":123,"y":70.28},{"x":123,"y":70.28},{"x":123,"y":84.65},{"x":123,"y":84.65},{"x":123,"y":84.65},{"x":123,"y":99.01},{"x":123,"y":99.01},{"x":123,"y":99.01},{"x":123,"y":113.37},{"x":123,"y":113.37},{"x":123,"y":113.37},{"x":123,"y":127.73},{"x":123,"y":127.73},{"x":123,"y":127.73},{"x":123,"y":142.09},{"x":123,"y":142.09},{"x":123,"y":142.09},{"x":123,"y":156.45},{"x":123,"y":156.45},{"x":123,"y":156.45},{"x":123,"y":170.81},{"x":123,"y":170.81},{"x":123,"y":170.81},{"x":123,"y":185.17},{"x":123,"y":185.17},{"x":123,"y":185.17},{"x":123,"y":185.17},{"x":123.22,"y":191.98},{"x":123.17,"y":194.53},{"x":123.13,"y":197.07},{"x":122.99,"y":199.82},{"x":122.68,"y":202.34},{"x":122.37,"y":204.86},{"x":121.88,"y":207.16},{"x":121.15,"y":208.8},{"x":120.5,"y":210.25},{"x":119.78,"y":211.63},{"x":119.05,"y":212.88},{"x":118.33,"y":214.12},{"x":114.73,"y":219.17},{"x":114.73,"y":219.17},{"x":114.73,"y":219.17},{"x":114.65,"y":219.23},{"x":114.65,"y":219.23},{"x":114.65,"y":219.23},{"x":106.02,"y":226.24},{"x":106.02,"y":226.24},{"x":102.07,"y":229.48},{"x":97.88,"y":232.41},{"x":93.56,"y":234.97},{"x":89.25,"y":237.52},{"x":84.81,"y":239.71},{"x":80.33,"y":241.49},{"x":75.86,"y":243.28},{"x":71.36,"y":244.65},{"x":66.92,"y":245.58},{"x":62.49,"y":246.52},{"x":58.12,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.93,"y":247},{"x":53.58,"y":247},{"x":50.13,"y":246.87},{"x":49.79,"y":246.85},{"x":45.22,"y":246.5},{"x":41.27,"y":245.44},{"x":37.93,"y":243.86},{"x":34.59,"y":242.28},{"x":31.84,"y":240.19},{"x":29.67,"y":237.79},{"x":27.5,"y":235.38},{"x":25.9,"y":232.66},{"x":24.85,"y":229.84},{"x":23.8,"y":227.01},{"x":23.29,"y":224.07},{"x":23.31,"y":221.23},{"x":23.33,"y":218.17},{"x":23.94,"y":215.06},{"x":25.18,"y":212.09},{"x":26.43,"y":209.13},{"x":28.3,"y":206.32},{"x":30.84,"y":203.84},{"x":33.37,"y":201.37},{"x":36.57,"y":199.24},{"x":40.46,"y":197.64},{"x":44.36,"y":196.04},{"x":48.95,"y":194.97},{"x":54.27,"y":194.63},{"x":54.5,"y":194.62},{"x":56.73,"y":194.55},{"x":56.96,"y":194.55},{"x":61.05,"y":194.55},{"x":65.14,"y":195.13},{"x":69.23,"y":196.16},{"x":73.31,"y":197.18},{"x":77.38,"y":198.65},{"x":81.42,"y":200.41},{"x":85.46,"y":202.17},{"x":89.47,"y":204.23},{"x":93.43,"y":206.45},{"x":97.4,"y":208.67},{"x":101.31,"y":211.04},{"x":105.17,"y":213.43},{"x":105.17,"y":213.43},{"x":114.55,"y":219.24},{"x":114.55,"y":219.24},{"x":127.02,"y":228.15},{"x":127.02,"y":228.15},{"x":136.29,"y":233.14},{"x":136.29,"y":233.14},{"x":140.75,"y":235.54},{"x":145.04,"y":237.61},{"x":149.19,"y":239.38},{"x":153.35,"y":241.15},{"x":157.38,"y":242.6},{"x":161.31,"y":243.75},{"x":165.24,"y":244.91},{"x":169.07,"y":245.77},{"x":172.84,"y":246.34},{"x":176.61,"y":246.91},{"x":180.32,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.01,"y":247.19},{"x":184.44,"y":247.19},{"x":188.76,"y":247.03},{"x":189.19,"y":247},{"x":195.85,"y":246.52},{"x":201.41,"y":245.39},{"x":205.99,"y":243.81},{"x":210.58,"y":242.22},{"x":214.18,"y":240.18},{"x":216.95,"y":237.86},{"x":219.71,"y":235.53},{"x":221.63,"y":232.94},{"x":222.82,"y":230.24},{"x":224.03,"y":227.55},{"x":224.5,"y":224.77},{"x":224.39,"y":222.07},{"x":224.25,"y":218.49},{"x":223.17,"y":215.08},{"x":221.33,"y":211.98},{"x":219.49,"y":208.88},{"x":216.91,"y":206.08},{"x":213.76,"y":203.73},{"x":210.61,"y":201.38},{"x":206.89,"y":199.47},{"x":202.81,"y":198.16},{"x":198.72,"y":196.84},{"x":194.26,"y":196.12},{"x":189.61,"y":196.12},{"x":189.61,"y":196.12},{"x":189.5,"y":196.12},{"x":189.5,"y":196.12},{"x":189.5,"y":196.12},{"x":189.38,"y":196.12},{"x":189.38,"y":196.12},{"x":189.38,"y":196.12},{"x":189.27,"y":196.12},{"x":189.27,"y":196.12},{"x":189.27,"y":196.12},{"x":189.16,"y":196.12},{"x":189.16,"y":196.12},{"x":182.19,"y":196.18},{"x":175.73,"y":197.3},{"x":169.85,"y":199.04},{"x":163.97,"y":200.78},{"x":158.67,"y":203.16},{"x":154.02,"y":205.75},{"x":149.37,"y":208.35},{"x":145.36,"y":211.16},{"x":142.07,"y":213.78},{"x":138.78,"y":216.4},{"x":136.2,"y":218.83},{"x":134.41,"y":220.65},{"x":134.41,"y":220.65},{"x":127.02,"y":228.15},{"x":127.02,"y":228.15},{"x":127.02,"y":228.15},{"x":120.78,"y":224.07},{"x":120.78,"y":224.07},{"x":120.78,"y":224.07},{"x":114.65,"y":219.48},{"x":114.65,"y":219.48}]),
closed: false,
stroke: 10,
color: 'hsla(0, 0%, 100%, 1)',
});
var personArms = new Zdog.Shape({
addTo: personGroup,
path: makeZDogBezier([{"x":9.41,"y":143.32},{"x":9.68,"y":144.34},{"x":10.26,"y":147.03},{"x":11.38,"y":150.47},{"x":12.5,"y":153.91},{"x":14.16,"y":158.08},{"x":16.57,"y":162.06},{"x":18.99,"y":166.04},{"x":22.16,"y":169.83},{"x":26.31,"y":172.49},{"x":30.47,"y":175.15},{"x":35.6,"y":176.69},{"x":41.94,"y":176.17},{"x":45.91,"y":175.85},{"x":49.24,"y":174.41},{"x":52,"y":172.09},{"x":54.76,"y":169.78},{"x":56.95,"y":166.57},{"x":58.65,"y":162.69},{"x":60.34,"y":158.82},{"x":61.54,"y":154.27},{"x":62.32,"y":149.28},{"x":63.1,"y":144.29},{"x":63.45,"y":138.84},{"x":63.45,"y":133.16},{"x":63.45,"y":132.81},{"x":63.84,"y":122.17},{"x":64.8,"y":117.59},{"x":65.76,"y":113},{"x":67.24,"y":107.97},{"x":69.32,"y":103.21},{"x":71.41,"y":98.45},{"x":74.09,"y":93.95},{"x":77.46,"y":90.44},{"x":80.83,"y":86.92},{"x":84.89,"y":84.38},{"x":89.71,"y":83.54},{"x":90.39,"y":83.42},{"x":93.09,"y":83.11},{"x":93.77,"y":83.08},{"x":94.44,"y":83.05},{"x":95.12,"y":83.04},{"x":95.79,"y":83.05},{"x":96.46,"y":83.06},{"x":97.13,"y":83.1},{"x":97.8,"y":83.15},{"x":100.11,"y":83.35},{"x":102.19,"y":83.71},{"x":104.07,"y":84.18},{"x":105.95,"y":84.66},{"x":107.62,"y":85.24},{"x":109.09,"y":85.88},{"x":110.57,"y":86.52},{"x":111.86,"y":87.21},{"x":112.97,"y":87.91},{"x":114.09,"y":88.6},{"x":115.03,"y":89.3},{"x":115.81,"y":89.93},{"x":116.71,"y":90.66},{"x":117.6,"y":91.19},{"x":118.43,"y":91.57},{"x":118.95,"y":91.8},{"x":120.56,"y":92.13},{"x":121.7,"y":92.34},{"x":121.7,"y":92.33},{"x":122.38,"y":92.46},{"x":122.89,"y":92.54},{"x":122.89,"y":92.54},{"x":123.12,"y":92.54},{"x":123.12,"y":92.54},{"x":123.4,"y":92.5},{"x":123.82,"y":92.42},{"x":123.82,"y":92.42},{"x":124.92,"y":92.23},{"x":126.98,"y":91.84},{"x":127.58,"y":91.56},{"x":128.41,"y":91.18},{"x":129.3,"y":90.65},{"x":130.2,"y":89.93},{"x":130.98,"y":89.29},{"x":131.92,"y":88.6},{"x":133.04,"y":87.91},{"x":134.15,"y":87.21},{"x":135.44,"y":86.52},{"x":136.92,"y":85.88},{"x":138.39,"y":85.24},{"x":140.06,"y":84.65},{"x":141.94,"y":84.18},{"x":143.82,"y":83.7},{"x":145.9,"y":83.34},{"x":148.21,"y":83.15},{"x":148.88,"y":83.09},{"x":149.55,"y":83.06},{"x":150.22,"y":83.04},{"x":150.9,"y":83.03},{"x":151.57,"y":83.04},{"x":152.24,"y":83.08},{"x":152.92,"y":83.11},{"x":155.62,"y":83.41},{"x":156.3,"y":83.53},{"x":161.12,"y":84.38},{"x":165.18,"y":86.92},{"x":168.55,"y":90.43},{"x":171.92,"y":93.95},{"x":174.6,"y":98.44},{"x":176.69,"y":103.21},{"x":178.77,"y":107.97},{"x":180.25,"y":113},{"x":181.21,"y":117.59},{"x":182.17,"y":122.17},{"x":182.56,"y":132.8},{"x":182.56,"y":133.16},{"x":182.56,"y":138.83},{"x":182.91,"y":144.28},{"x":183.69,"y":149.28},{"x":184.46,"y":154.27},{"x":185.67,"y":158.81},{"x":187.36,"y":162.69},{"x":189.06,"y":166.57},{"x":191.25,"y":169.77},{"x":194.01,"y":172.09},{"x":196.77,"y":174.41},{"x":200.1,"y":175.84},{"x":204.07,"y":176.17},{"x":210.41,"y":176.68},{"x":215.55,"y":175.15},{"x":219.7,"y":172.49},{"x":223.85,"y":169.82},{"x":227.03,"y":166.04},{"x":229.44,"y":162.05},{"x":231.85,"y":158.07},{"x":233.51,"y":153.9},{"x":234.63,"y":150.46},{"x":235.75,"y":147.03},{"x":236.33,"y":144.33},{"x":236.6,"y":143.31}]),
closed: false,
stroke: 10,
color: 'hsla(0, 0%, 100%, 1)',
});
function scaleLogo(n){
var n = arguments[0] != null ? n: 0;
logoGroup.scale = n;
ellipse.stroke *= n;
personBody.stroke *= n;
personArms.stroke *= n;
for (var i = 0; i < balls.length; i++) {
var ball = balls[i]['obj'];
ball.stroke *= n;
}
}
scaleLogo(0.5);
// update & render
illo.updateRenderGraph();
And this is what I would like to do, instead:
var zdogCanvas = document.getElementById('zdog-canvas');
var ctx = zdogCanvas.getContext('2d');
zdogCanvas.setAttribute('width',window.innerWidth);
var illo = new Zdog.Illustration({
element: '.zdog-canvas',
});
var logoGroup = new Zdog.Group({
addTo: illo,
translate: { x: -200, y: -160, z: 0},
updateSort: true,
});
var ellipse = new Zdog.Ellipse({
addTo: logoGroup,
diameter: 250,
stroke: 40,
color: '#7AABBC',
fill: true,
translate: { x: 0, y: 0, z: 0 },
scaleStroke: true,
});
var balls = [];
var ballGroup = new Zdog.Group({
addTo: logoGroup,
translate: { x: 0, y: 0, z: 0 },
});
var ball1 = new Zdog.Shape({
addTo: ballGroup,
stroke: 30,
color: '#FFF',
translate: { x: -55, y: -88, z: 50 },
visible: true,
scaleStroke: true,
});
balls.push({obj: ball1, stroke: 30, z: 50});
var ball2 = ball1.copyGraph({
addTo: ballGroup,
translate: { x: 82, y: -37, z: 50 },
stroke: 28.5,
color: '#FFF',
scaleStroke: true,
});
balls.push({obj: ball2, stroke: 28.5, z: 50});
var ball3 = ball1.copyGraph({
addTo: ballGroup,
translate: { x: 25, y: -120, z: 50 },
stroke: 19.5,
color: '#FFF',
scaleStroke: true,
});
balls.push({obj: ball3, stroke: 19.5, z: 50});
var ball4 = ball1.copyGraph({
addTo: ballGroup,
translate: { x: -90, y: -12, z: 50 },
stroke: 19.5,
color: '#FFF',
scaleStroke: true,
});
balls.push({obj: ball4, stroke: 19.5, z: 50});
var personGroup = new Zdog.Group({
addTo: logoGroup,
scale: 0.7,
translate: { x: -88, y: -80, z: 35 },
});
var personBody = new Zdog.Shape({
addTo: personGroup,
path: 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stroke: 10,
color: 'hsla(0, 0%, 100%, 1)',
scaleStroke: true,
});
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stroke: 10,
color: 'hsla(0, 0%, 100%, 1)',
scaleStroke: true,
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logoGroup.scale = 0.5;
// update & render
illo.updateRenderGraph();
I think you can resolve this request by using zoom. This will scale up everything in the illustration — so its a bit more broad usage than just on a Group. Outside of that, the problem with applying scale to stroke is that scale doesn't have to be a uniform value. It could be on one axis like { x: 2 }. But, my feel is that this feature is a niche that's already covered by zoom or copy. I'll pass on this one.