#!/usr/bin/env python3 """ Build a KDP-ready coloring book PDF from images and copy text. Format: 8.5x11 inches (612x792 points), 300 DPI images. """ import os from reportlab.lib.pagesizes import letter from reportlab.lib.units import inch from reportlab.pdfgen import canvas from reportlab.lib.utils import ImageReader from PIL import Image BOOK_DIR = "/home/node/.openclaw/workspace/books/animali-della-fattoria" IMAGES_DIR = os.path.join(BOOK_DIR, "images") COPY_FILE = os.path.join(BOOK_DIR, "copy.md") OUTPUT_PDF = os.path.join(BOOK_DIR, "Animali-della-Fattoria-Libro-da-Colorare.pdf") WIDTH, HEIGHT = letter # 612 x 792 points (8.5 x 11 inches) DPI = 300 def parse_copy(): """Extract sections from copy.md.""" with open(COPY_FILE, "r", encoding="utf-8") as f: text = f.read() sections = {} # Extract dedication if "## 6. Testo Pagina Dedica" in text: dedica = text.split("## 6. Testo Pagina Dedica")[1].split("##")[0].strip() sections["dedica"] = dedica # Extract intro for parents if "## 7. Testo Introduzione per Genitori" in text: intro = text.split("## 7. Testo Introduzione per Genitori")[1].split("##")[0].strip() sections["intro"] = intro # Extract CTA if "## 8. Testo Pagina Finale" in text: cta = text.split("## 8. Testo Pagina Finale")[1].split("##")[0].strip() sections["cta"] = cta return sections def add_centered_text(c, text, x, y, font_size=14, max_width=500, line_spacing=1.5): """Add centered text with word wrap.""" c.setFont("Helvetica", font_size) words = text.split() lines = [] current_line = "" for word in words: test_line = current_line + " " + word if current_line else word if c.stringWidth(test_line, "Helvetica", font_size) < max_width: current_line = test_line else: lines.append(current_line) current_line = word if current_line: lines.append(current_line) for line in lines: c.drawCentredString(WIDTH / 2, y, line) y -= font_size * line_spacing return y def build_pdf(): sections = parse_copy() c = canvas.Canvas(OUTPUT_PDF, pagesize=letter) # ============ PAGE 1: COVER ============ # Background cover image (first image if available) cover_img = os.path.join(IMAGES_DIR, "page-01.png") if os.path.exists(cover_img): img = Image.open(cover_img) img_gray = img.convert("L") img_rgb = img_gray.convert("RGB") # keep it B&W line art style temp_cover = os.path.join(IMAGES_DIR, "_cover_temp.png") img_rgb.save(temp_cover) c.drawImage(temp_cover, 0, 0, width=WIDTH, height=HEIGHT, preserveAspectRatio=False) os.remove(temp_cover) # Title on cover c.setFillColorRGB(0, 0, 0) c.setFont("Helvetica-Bold", 36) c.drawCentredString(WIDTH / 2, HEIGHT - 120, "Animali della Fattoria") c.setFont("Helvetica", 20) c.drawCentredString(WIDTH / 2, HEIGHT - 160, "Libro da Colorare per Bambini 3-5 Anni") c.setFont("Helvetica", 14) c.drawCentredString(WIDTH / 2, HEIGHT - 200, "20 illustrazioni semplici e divertenti") # Decorative text at bottom c.setFont("Helvetica-Oblique", 12) c.drawCentredString(WIDTH / 2, 80, "Un mondo di animali da colorare!") c.showPage() # ============ PAGE 2: DEDICATION ============ c.setFont("Helvetica-Bold", 24) c.drawCentredString(WIDTH / 2, HEIGHT - 150, "Dedica") if "dedica" in sections: c.setFont("Helvetica", 16) lines = sections["dedica"].split("\n") y = HEIGHT - 220 for line in lines: line = line.strip() if line: c.drawCentredString(WIDTH / 2, y, line) y -= 30 else: c.setFont("Helvetica", 14) c.drawCentredString(WIDTH / 2, HEIGHT - 250, "A tutti i piccoli artisti che amano colorare!") c.showPage() # ============ PAGE 3: INTRODUCTION FOR PARENTS ============ c.setFont("Helvetica-Bold", 20) c.drawCentredString(WIDTH / 2, HEIGHT - 100, "Caro Genitore,") if "intro" in sections: c.setFont("Helvetica", 13) # Split intro into paragraphs paragraphs = sections["intro"].split("\n\n") y = HEIGHT - 160 for para in paragraphs: para = para.strip() if para: y = add_centered_text(c, para, WIDTH / 2, y, font_size=13, max_width=480) y -= 20 else: c.setFont("Helvetica", 14) c.drawCentredString(WIDTH / 2, HEIGHT - 180, "Questo libro aiuta il tuo bambino a sviluppare creatività e manualità.") c.showPage() # ============ PAGES 4-23: COLORING PAGES ============ for i in range(1, 21): page_file = os.path.join(IMAGES_DIR, f"page-{i:02d}.png") if os.path.exists(page_file): # Open and ensure it's suitable for coloring book img = Image.open(page_file) # Convert to grayscale then back to RGB for clean B&W img_gray = img.convert("L") img_rgb = img_gray.convert("RGB") # Resize to fit the page with proper aspect ratio img_w, img_h = img_rgb.size page_w = int(WIDTH * 0.92) # Leave margins page_h = int(HEIGHT * 0.92) # Calculate scaling to fit scale = min(page_w / img_w, page_h / img_h) new_w = int(img_w * scale) new_h = int(img_h * scale) img_rgb = img_rgb.resize((new_w, new_h), Image.LANCZOS) # Convert to 300 DPI temp_path = os.path.join(IMAGES_DIR, f"_page_{i:02d}_temp.png") img_rgb.save(temp_path, dpi=(DPI, DPI)) # Center on page x_offset = (WIDTH - new_w * 72 / DPI) / 2 # Use the image at actual size (scaled already) c.drawImage(temp_path, x_offset, (HEIGHT - new_h * 72 / DPI) / 2, width=new_w * 72 / DPI, height=new_h * 72 / DPI) os.remove(temp_path) else: c.setFont("Helvetica", 16) c.drawCentredString(WIDTH / 2, HEIGHT / 2, f"Pagina {i}") c.showPage() # ============ PAGE 24: FINAL CTA ============ c.setFont("Helvetica-Bold", 22) c.drawCentredString(WIDTH / 2, HEIGHT - 150, "Grazie!") if "cta" in sections: c.setFont("Helvetica", 14) # Split CTA into paragraphs paragraphs = sections["cta"].split("\n\n") y = HEIGHT - 220 for para in paragraphs: para = para.strip() if para: y = add_centered_text(c, para, WIDTH / 2, y, font_size=14, max_width=500) y -= 15 # Handle the emoji line specially if "🖍️" in para: c.setFont("Helvetica-Bold", 16) else: c.setFont("Helvetica", 14) c.drawCentredString(WIDTH / 2, HEIGHT - 250, "Ci aiuti a migliorare? Lascia una recensione su Amazon!") c.save() print(f"✅ PDF salvato: {OUTPUT_PDF}") print(f" Dimensione: {os.path.getsize(OUTPUT_PDF) / 1024:.0f} KB") print(f" Pagine: 24 (copertina + dedica + intro + 20 disegni + ringraziamento)") if __name__ == "__main__": build_pdf()