Book cover generator tool 5578540518674954994 - #55
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- Core layout engine in cover_engine.py for A3/A4 spread cover generation - Support spine calculation, custom spine title (vertical/horizontal CJK), and colors - Support prepress annotations: corner crop marks, fold lines, and 3mm bleed - Tkinter GUI with interactive controls and real-time spread preview - High-resolution 300 DPI image (PNG/JPG) and vector PDF export support - PyInstaller packaging scripts (build_exe.py, build_exe.bat) for Windows EXE - Unit tests for cover layout engine and PDF export Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
…over generator - Add automatic spine thickness calculation based on page count and paper weight/type (70g/80g offset, art paper, bulky paper) - Add image brightness, contrast, and custom text overlays (title, subtitle, price/ISBN) to front and back covers - Update Tkinter GUI with "页数厚度计算器" and "图片修饰与文字" control tabs - Add unit tests for spine thickness formula, image editing, and text overlay rendering Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
…, DPI check, and Presets - Add Softcover & Hardcover (精装包壳) binding modes with wrap margins (包边 15-20mm) and hinge grooves (沟槽 6-10mm) - Add back-cover Barcode / ISBN / QR Code generation and overlay - Add Image Resolution & DPI Quality Checker with alert warnings for low-res input images - Add Mirrored Bleed Extension (镜像自动出血) to prevent white borders when images lack bleed - Add Print Shop Presets Manager for saving and loading custom JSON print template configurations - Update Tkinter GUI with tabbed workflow and real-time preview canvas - Update unit test suite covering hardcover dimensions, barcode generation, and DPI checks Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
…r/book sizes, and custom named templates - Distinguish Cover Paper Stock (封面用纸/卡纸: 200g-350g铜版纸, 珠光纸, 灰板纸) from Inner Page Stock (内页用纸: 双胶纸, 轻型纸) - Expand paper sheet sizes (A3, SRA3, A3+, A4, A2, B4, B3, 8开, 4开, 16开) and finished book sizes (A4, A5, B5, 16开正度/大度, 32开正度/大度, 24开, 20开, 正方形) - Add Custom Named Preset Template Management (save, load, edit, delete user templates in user_presets/) - Fix DPI calculation parameter units in DPI quality checker label Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
- Comprehensive documentation for Softcover vs. Hardcover binding modes and wrap margins - Document Cover Stock vs. Inner Page paper distinctions - Document Spine Thickness Calculator formula, Barcode/ISBN generator, DPI checker, and Mirrored Bleed Extension - Document Custom Named Preset Templates management and PyInstaller packaging build steps Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
- Rewrite README.md into a structured, step-by-step User Manual (操作小手册) - Detail all 12+ paper spread sizes (A3, SRA3, A3+, A2, B4, B3, 8开, 4开, 16开, etc.) and 13+ finished book sizes (A5, A4, B5, 16开, 32开, 24开, 20开, 方形等) - Detail Cover Paper Stock (200g-350g铜版/哑粉纸, 白卡纸, 特种纸, 灰板纸) vs. Inner Page Stock (双胶纸, 轻型纸, 道林纸) - Detail Image Editing (Brightness/Contrast), Spine CJK vertical text, Title/Text overlays, Barcode/ISBN generator, Mirrored Bleed Extension, and Custom Presets - Document PyInstaller packaging and PDF export workflow Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
- Add PDF rendering support (PyMuPDF / pypdfium2) with page selection (e.g. Page 1 for Front, Last Page for Back) - Add PDF page controls to Tkinter GUI and automatic preview refresh - Fixed vertical text overlay variable name typo (char_imgs) - Update README.md operator manual with PDF extraction instructions - Add unit test for PDF page extraction and rendering Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
…ator - Add Asynchronous Background Threading (threading.Thread) to keep Tkinter GUI responsive during preview renders - Add Debounced UI Input Triggering (150ms timer) for sliders and entry fields - Add Low-DPI thumbnail downsampling and global image caching (_IMAGE_CACHE) for low RAM usage - Add proactive Python garbage collection (gc.collect()) - Ensure Python 3.8.10 compatibility for Windows 7 targets - Update PyInstaller packaging scripts and README.md manual with Win7 packaging guidelines Co-authored-by: garfieldtool <191646942+garfieldtool@users.noreply.github.com>
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