function renderHCGChart() { const canvas = document.getElementById('hcgChart'); const ctx = canvas.getContext('2d'); const w = canvas.width, h = canvas.height; ctx.clearRect(0, 0, w, h); const dpo = [7,8,9,10,11,12,13,14,15,16,17,18,19,20,21]; const hcgLow = [0,0,5,10,25,50,100,200,400,800,1500,3000,5000,8000,12000]; const hcgHigh = [5,10,50,100,200,400,800,1500,3000,5000,8000,15000,25000,40000,60000]; const padding = 40; const chartW = w - padding * 2; const chartH = h - padding * 2; const maxHCG = 60000; ctx.fillStyle = 'rgba(232,90,138,0.15)'; ctx.beginPath(); ctx.moveTo(padding, padding + chartH); hcgHigh.forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; const y = padding + chartH - (v / maxHCG) * chartH; ctx.lineTo(x, y); }); hcgLow.slice().reverse().forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * (dpo.length - 1 - i); const y = padding + chartH - (v / maxHCG) * chartH; ctx.lineTo(x, y); }); ctx.closePath(); ctx.fill(); ctx.strokeStyle = '#e85a8a'; ctx.lineWidth = 2; ctx.beginPath(); hcgHigh.forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; const y = padding + chartH - (v / maxHCG) * chartH; if (i === 0) ctx.moveTo(x, y); else ctx.lineTo(x, y); }); ctx.stroke(); ctx.strokeStyle = '#7dd3c0'; ctx.lineWidth = 2; ctx.beginPath(); hcgLow.forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; const y = padding + chartH - (v / maxHCG) * chartH; if (i === 0) ctx.moveTo(x, y); else ctx.lineTo(x, y); }); ctx.stroke(); ctx.fillStyle = '#8a8a8a'; ctx.font = '12px Segoe UI'; ctx.textAlign = 'center'; dpo.forEach((d, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; ctx.fillText(d + 'd', x, h - 15); }); } renderHCGChart(); function renderHCGChart() { const canvas = document.getElementById('hcgChart'); const ctx = canvas.getContext('2d'); const w = canvas.width, h = canvas.height; ctx.clearRect(0, 0, w, h); const dpo = [7,8,9,10,11,12,13,14,15,16,17,18,19,20,21]; const hcgLow = [0,0,5,10,25,50,100,200,400,800,1500,3000,5000,8000,12000]; const hcgHigh = [5,10,50,100,200,400,800,1500,3000,5000,8000,15000,25000,40000,60000]; const padding = 40; const chartW = w - padding * 2; const chartH = h - padding * 2; const maxHCG = 60000; ctx.fillStyle = 'rgba(232,90,138,0.15)'; ctx.beginPath(); ctx.moveTo(padding, padding + chartH); hcgHigh.forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; const y = padding + chartH - (v / maxHCG) * chartH; ctx.lineTo(x, y); }); hcgLow.slice().reverse().forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * (dpo.length - 1 - i); const y = padding + chartH - (v / maxHCG) * chartH; ctx.lineTo(x, y); }); ctx.closePath(); ctx.fill(); ctx.strokeStyle = '#e85a8a'; ctx.lineWidth = 2; ctx.beginPath(); hcgHigh.forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; const y = padding + chartH - (v / maxHCG) * chartH; if (i === 0) ctx.moveTo(x, y); else ctx.lineTo(x, y); }); ctx.stroke(); ctx.strokeStyle = '#7dd3c0'; ctx.lineWidth = 2; ctx.beginPath(); hcgLow.forEach((v, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; const y = padding + chartH - (v / maxHCG) * chartH; if (i === 0) ctx.moveTo(x, y); else ctx.lineTo(x, y); }); ctx.stroke(); ctx.fillStyle = '#8a8a8a'; ctx.font = '12px Segoe UI'; ctx.textAlign = 'center'; dpo.forEach((d, i) => { const x = padding + (chartW / (dpo.length - 1)) * i; ctx.fillText(d + 'd', x, h - 15); }); } renderHCGChart();
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