Update customePaint.js
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@ -30,63 +30,53 @@ export const paintNodeFunction = function (ctx, onlyShape) {
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this.drawShape(ctx, onlyShape)
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this.drawShape(ctx, onlyShape)
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}
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}
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//按节点类型绘制节点边框
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// ctx.beginPath()
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if (this.properties.type != "normal") {
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// ctx.arc(0, 0, this.radius + 6, 0, Math.PI * 2)
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// ctx.beginPath()
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// ctx.lineWidth = 8
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// ctx.arc(0, 0, this.radius + 6, 0, Math.PI * 2)
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// ctx.strokeStyle = `rgba(${this.fillColor},${this.alpha * 0.4})`
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// ctx.lineWidth = 8
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// ctx.stroke()
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// ctx.strokeStyle = `rgba(${this.fillColor},${this.alpha * 0.4})`
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// 半径 & 样式参数(按需调整)
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// ctx.stroke()
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// ===== 三层:实心圆 + 半透明边框 + 外圈虚线 =====
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// 半径 & 样式参数(按需调整)
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const rFill = this.radius // 实心圆半径
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// ===== 三层:实心圆 + 半透明边框 + 外圈虚线 =====
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const ringWidth = 15 // 半透明边框的宽度
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const rFill = this.radius; // 实心圆半径
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const ringGap = 0 // 实心与半透明边框之间的间隙(需要留缝就调大)
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const ringWidth = 15; // 半透明边框的宽度
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const outerGap = 0 // 半透明边框与虚线之间的间隙
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const ringGap = 0; // 实心与半透明边框之间的间隙(需要留缝就调大)
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const dashWidth = 2 // 虚线线宽
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const outerGap = 0; // 半透明边框与虚线之间的间隙
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const dash = 2,
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const dashWidth = 2; // 虚线线宽
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gap = 4 // 虚线样式
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const dash = 2, gap = 4; // 虚线样式
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const ringAlphaFactor = 0.5 // 半透明边框的相对透明度(相对于 this.alpha)
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const ringAlphaFactor = 0.5; // 半透明边框的相对透明度(相对于 this.alpha)
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// 1) 中间实心圆(填充)
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// 1) 中间实心圆(填充)
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ctx.save();
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ctx.save()
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ctx.beginPath();
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ctx.beginPath()
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ctx.arc(0, 0, rFill, 0, Math.PI * 2);
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ctx.arc(0, 0, rFill, 0, Math.PI * 2)
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ctx.fillStyle = `rgba(${this.fillColor}, ${this.alpha})`;
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ctx.fillStyle = `rgba(${this.fillColor}, ${this.alpha})`
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ctx.fill();
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ctx.fill()
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ctx.restore();
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ctx.restore()
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// 2) 同色半透明边框(描边,不是挖空)
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// 2) 同色半透明边框(描边,不是挖空)
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ctx.save();
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ctx.save()
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ctx.beginPath();
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ctx.beginPath()
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const rRing = rFill + ringGap + ringWidth / 2;
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const rRing = rFill + ringGap + ringWidth / 2
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ctx.arc(0, 0, rRing, 0, Math.PI * 2);
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ctx.arc(0, 0, rRing, 0, Math.PI * 2)
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ctx.lineWidth = ringWidth;
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ctx.lineWidth = ringWidth
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ctx.setLineDash([]); // 确保这里是实线
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ctx.setLineDash([]) // 确保这里是实线
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ctx.strokeStyle = `rgba(${this.fillColor}, ${this.alpha * ringAlphaFactor})`;
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ctx.strokeStyle = `rgba(${this.fillColor}, ${this.alpha * ringAlphaFactor})`
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ctx.stroke();
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ctx.stroke()
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ctx.restore();
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ctx.restore()
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// 3) 外圈虚线(同色)
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// 3) 外圈虚线(同色)
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ctx.save();
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ctx.save()
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ctx.beginPath();
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ctx.beginPath()
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const rDash = rRing + ringWidth / 2 + outerGap + dashWidth / 2;
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const rDash = rRing + ringWidth / 2 + outerGap + dashWidth / 2
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ctx.arc(0, 0, rDash, 0, Math.PI * 2);
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ctx.arc(0, 0, rDash, 0, Math.PI * 2)
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ctx.lineWidth = dashWidth;
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ctx.lineWidth = dashWidth
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ctx.setLineDash([dash, gap]);
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ctx.setLineDash([dash, gap])
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ctx.lineCap = 'round';
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ctx.lineCap = "round"
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ctx.strokeStyle = `rgba(${this.fillColor}, ${this.alpha})`;
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ctx.strokeStyle = `rgba(${this.fillColor}, ${this.alpha})`
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ctx.stroke();
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ctx.stroke()
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ctx.setLineDash([]); // 清理,避免影响后续绘制
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ctx.setLineDash([]) // 清理,避免影响后续绘制
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ctx.restore();
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ctx.restore()
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} else {
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ctx.beginPath()
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ctx.arc(0, 0, this.radius + 8, 0, Math.PI * 2)
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ctx.lineWidth = 12
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ctx.setLineDash([4, 4])
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ctx.strokeStyle = `rgba(${this.fillColor},${this.alpha * 0.6})`
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ctx.stroke()
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}
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this.paintText(ctx) //调用内部方法绘制文字
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this.paintText(ctx) //调用内部方法绘制文字
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}
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}
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