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2026-11-02 11:13:19 +07:00
commit 6a4c7fa4c6
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+"""Pembuat laporan PDF sederhana (reportlab) untuk ketiga lab."""
+import textwrap
+from xml.sax.saxutils import escape
+
+from reportlab.lib import colors
+from reportlab.lib.pagesizes import A4
+from reportlab.lib.styles import ParagraphStyle, getSampleStyleSheet
+from reportlab.lib.units import cm
+from reportlab.platypus import (Image, PageBreak, Paragraph, Preformatted,
+                                SimpleDocTemplate, Spacer, Table, TableStyle)
+
+
+class Laporan:
+    def __init__(self, path, judul, subjudul=""):
+        st = getSampleStyleSheet()
+        self.s = {
+            "judul": ParagraphStyle("j", parent=st["Title"], fontSize=19, spaceAfter=4),
+            "sub": ParagraphStyle("sj", parent=st["BodyText"], alignment=1, textColor=colors.grey, spaceAfter=14),
+            "h1": ParagraphStyle("h1", parent=st["Heading1"], fontSize=14, spaceBefore=12, spaceAfter=6),
+            "h2": ParagraphStyle("h2", parent=st["Heading2"], fontSize=11.5, spaceBefore=9, spaceAfter=4),
+            "p": ParagraphStyle("p", parent=st["BodyText"], fontSize=10, leading=14, spaceAfter=5),
+            "sel": ParagraphStyle("sel", parent=st["BodyText"], fontSize=8.5, leading=10.5),
+            "selb": ParagraphStyle("selb", parent=st["BodyText"], fontSize=8.5, leading=10.5, fontName="Helvetica-Bold"),
+            "kode": ParagraphStyle("k", fontName="Courier", fontSize=7.2, leading=8.6,
+                                   backColor=colors.whitesmoke, borderPadding=4),
+            "cap": ParagraphStyle("cap", parent=st["BodyText"], fontSize=8.5, textColor=colors.grey, spaceAfter=8),
+        }
+        self.doc = SimpleDocTemplate(path, pagesize=A4, leftMargin=2 * cm, rightMargin=2 * cm,
+                                     topMargin=2 * cm, bottomMargin=2 * cm, title=judul)
+        self.c = [Paragraph(escape(judul), self.s["judul"])]
+        if subjudul:
+            self.c.append(Paragraph(escape(subjudul), self.s["sub"]))
+
+    def h1(self, t): self.c.append(Paragraph(escape(t), self.s["h1"]))
+    def h2(self, t): self.c.append(Paragraph(escape(t), self.s["h2"]))
+    def p(self, t): self.c.append(Paragraph(escape(t), self.s["p"]))
+    def spasi(self, h=6): self.c.append(Spacer(1, h))
+    def halaman_baru(self): self.c.append(PageBreak())
+
+    def cap(self, t): self.c.append(Paragraph(escape(t), self.s["cap"]))
+
+    def kode(self, teks, lebar=105):
+        baris = []
+        for b in teks.expandtabs(4).split("\n"):
+            baris += textwrap.wrap(b, lebar, subsequent_indent="    ", drop_whitespace=False) or [""]
+        self.c.append(Preformatted("\n".join(baris), self.s["kode"]))
+
+    def teks_chunk(self, teks, maks=700):
+        t = teks if len(teks) <= maks else teks[:maks] + " ..."
+        self.c.append(Preformatted(t, self.s["kode"], maxLineLength=100, newLineChars="↵"))
+        self.c.append(Spacer(1, 4))
+
+    def tabel(self, data, lebar=None, header=True):
+        d = [[Paragraph(escape(str(x)), self.s["selb"] if (header and i == 0) else self.s["sel"])
+              for x in baris] for i, baris in enumerate(data)]
+        tb = Table(d, colWidths=lebar, repeatRows=1 if header else 0, hAlign="LEFT")
+        gaya = [("GRID", (0, 0), (-1, -1), 0.4, colors.grey), ("VALIGN", (0, 0), (-1, -1), "TOP")]
+        if header:
+            gaya.append(("BACKGROUND", (0, 0), (-1, 0), colors.HexColor("#e6e6e6")))
+        tb.setStyle(TableStyle(gaya))
+        self.c.append(tb)
+        self.c.append(Spacer(1, 6))
+
+    def gambar(self, path, lebar_cm=15):
+        from PIL import Image as PI
+        w, h = PI.open(path).size
+        self.c.append(Image(path, width=lebar_cm * cm, height=lebar_cm * cm * h / w))
+
+    def simpan(self):
+        def kaki(canvas, doc):
+            canvas.saveState()
+            canvas.setFont("Helvetica", 8)
+            canvas.setFillColor(colors.grey)
+            canvas.drawCentredString(A4[0] / 2, 1.1 * cm, f"Halaman {doc.page}")
+            canvas.restoreState()
+        self.doc.build(self.c, onFirstPage=kaki, onLaterPages=kaki)