61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
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import io
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from reportlab.lib.colors import Color
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from reportlab.lib.pagesizes import A6
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from reportlab.lib.units import mm
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from reportlab.lib.utils import ImageReader
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from reportlab.pdfgen.canvas import Canvas
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from .qrcode_gen import generate_qr_png
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def generate_qr_pdf(
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url: str, couple_names: str, event_date: str | None = None
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) -> bytes:
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buf = io.BytesIO()
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width, height = A6
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c = Canvas(buf, pagesize=A6)
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ink = Color(0.18, 0.16, 0.14)
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muted = Color(0.45, 0.42, 0.38)
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# Title
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title_size = 28
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c.setFillColor(ink)
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c.setFont("Times-Italic", title_size)
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title_y = height - 28 * mm
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title_w = c.stringWidth(couple_names, "Times-Italic", title_size)
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c.drawString((width - title_w) / 2, title_y, couple_names)
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# Date
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if event_date:
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c.setFillColor(muted)
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c.setFont("Helvetica", 11)
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dw = c.stringWidth(event_date, "Helvetica", 11)
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c.drawString((width - dw) / 2, title_y - 7 * mm, event_date)
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# QR
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qr_png = generate_qr_png(url, 800)
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qr_img = ImageReader(io.BytesIO(qr_png))
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qr_size = 70 * mm
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qr_x = (width - qr_size) / 2
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qr_y = (height - qr_size) / 2 - 8 * mm
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c.drawImage(qr_img, qr_x, qr_y, qr_size, qr_size, preserveAspectRatio=True)
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# CTA
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cta = "Aponte a câmera do celular"
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c.setFillColor(ink)
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c.setFont("Helvetica-Bold", 12)
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cw = c.stringWidth(cta, "Helvetica-Bold", 12)
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c.drawString((width - cw) / 2, qr_y - 9 * mm, cta)
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sub = "para enviar fotos e mensagem"
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c.setFillColor(muted)
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c.setFont("Helvetica", 10)
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sw = c.stringWidth(sub, "Helvetica", 10)
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c.drawString((width - sw) / 2, qr_y - 14 * mm, sub)
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c.showPage()
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c.save()
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return buf.getvalue()
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