100 lines
2.0 KiB
JavaScript
100 lines
2.0 KiB
JavaScript
import Base_tools_class from './../../core/base-tools.js';
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import Base_layers_class from './../../core/base-layers.js';
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class Callout_class extends Base_tools_class {
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constructor(ctx) {
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super();
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this.Base_layers = new Base_layers_class();
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this.ctx = ctx;
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this.name = 'callout';
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this.layer = {};
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this.best_ratio = 1.3;
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this.snap_line_info = {x: null, y: null};
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}
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load() {
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this.default_events();
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}
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mousedown(e) {
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this.shape_mousedown(e);
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}
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mousemove(e) {
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this.shape_mousemove(e);
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}
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mouseup(e) {
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this.shape_mouseup(e);
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}
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render_overlay(ctx){
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var ctx = this.Base_layers.ctx;
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this.render_overlay_parent(ctx);
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}
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demo(ctx, x, y, width, height) {
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ctx.fillStyle = '#aaa';
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ctx.strokeStyle = '#555';
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ctx.lineWidth = 2;
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var width_all = width + x * 2;
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width = height * this.best_ratio;
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x = (width_all - width) / 2;
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ctx.save();
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ctx.translate(x + width / 2, y + height / 2);
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this.draw_shape(ctx, -width / 2, -height / 2, width, height);
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ctx.restore();
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}
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render(ctx, layer) {
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var params = layer.params;
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var fill = params.fill;
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ctx.save();
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//set styles
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ctx.strokeStyle = 'transparent';
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ctx.fillStyle = 'transparent';
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if(params.border)
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ctx.strokeStyle = params.border_color;
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if(params.fill)
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ctx.fillStyle = params.fill_color;
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ctx.lineWidth = params.border_size;
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//draw with rotation support
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ctx.translate(layer.x + layer.width / 2, layer.y + layer.height / 2);
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ctx.rotate(layer.rotate * Math.PI / 180);
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this.draw_shape(ctx, -layer.width / 2, -layer.height / 2, layer.width, layer.height);
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ctx.restore();
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}
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draw_shape(ctx, x, y, width, height, coords) {
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ctx.lineJoin = "round";
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ctx.beginPath();
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ctx.moveTo(x, y);
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ctx.lineTo(x + width, y);
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ctx.lineTo(x + width, y + height * 0.6);
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ctx.lineTo(x + width / 2 + width / 10, y + height * 0.6);
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ctx.lineTo(x + width / 8, y + height);
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ctx.lineTo(x + width / 2 - width / 10, y + height * 0.6);
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ctx.lineTo(x, y + height * 0.6);
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ctx.lineTo(x, y);
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ctx.closePath();
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ctx.fill();
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ctx.stroke();
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}
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}
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export default Callout_class;
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