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baoyu-cover-image Generates article cover images with 5 dimensions (type, palette, rendering, text, mood) combining 10 color palettes and 7 rendering styles. Supports cinematic (2.35:1), widescreen (16:9), and square (1:1) aspects. Use when user asks to "generate cover image", "create article cover", or "make cover".
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name baoyu-cover-image description Generates article cover images with 5 dimensions (type, palette, rendering, text, mood) combining 10 color palettes and 7 rendering styles. Supports cinematic (2.35:1), widescreen (16:9), and square (1:1) aspects. Use when user asks to "generate cover image", "create article cover", or "make cover". version 1.56.1 metadata {"openclaw":{"homepage":"https://github.com/JimLiu/baoyu-skills#baoyu-cover-image"}}
Cover Image Generator
Generate elegant cover images for articles with 5-dimensional customization.
Usage
/baoyu-cover-image path/to/article.md
/baoyu-cover-image article.md --quick
/baoyu-cover-image article.md --type conceptual --palette warm --rendering flat-vector
/baoyu-cover-image article.md --style blueprint
/baoyu-cover-image article.md --ref style-ref.png
/baoyu-cover-image --palette mono --aspect 1:1 --quick
[paste content]
Options
--type <name>hero, conceptual, typography, metaphor, scene, minimal --palette <name>warm, elegant, cool, dark, earth, vivid, pastel, mono, retro, duotone --rendering <name>flat-vector, hand-drawn, painterly, digital, pixel, chalk, screen-print --style <name>Preset shorthand (see Style Presets ) --text <level>none, title-only, title-subtitle, text-rich --mood <level>subtle, balanced, bold --font <name>clean, handwritten, serif, display --aspect <ratio>16:9 (default), 2.35:1, 4:3, 3:2, 1:1, 3:4 --lang <code>Title language (en, zh, ja, etc.) --no-titleAlias for --text none --quickSkip confirmation, use auto-selection --ref <files...>Reference images for style/composition guidance
Five Dimensions Dimension Values Default Type hero, conceptual, typography, metaphor, scene, minimal auto Palette warm, elegant, cool, dark, earth, vivid, pastel, mono, retro, duotone auto Rendering flat-vector, hand-drawn, painterly, digital, pixel, chalk, screen-print auto Text none, title-only, title-subtitle, text-rich title-only Mood subtle, balanced, bold balanced Font clean, handwritten, serif, display clean
Galleries Palettes : warm, elegant, cool, dark, earth, vivid, pastel, mono, retro, duotone
→ Details: references/palettes/
Renderings : flat-vector, hand-drawn, painterly, digital, pixel, chalk, screen-print
→ Details: references/renderings/
File Structure Output directory per default_output_dir preference:
same-dir: {article-dir}/imgs-subdir: {article-dir}/imgs/independent (default): cover-image/{topic-slug}/ <output-dir>/
├── source-{slug}.{ext} # Source files
├── refs/ # Reference images (if provided)
│ ├── ref-01-{slug}.{ext}
│ └── ref-01-{slug}.md # Description file
├── prompts/cover.md # Generation prompt
└── cover.png # Output image
Slug : 2-4 words, kebab-case. Conflict: append -YYYYMMDD-HHMMSS
Workflow
Progress Checklist Cover Image Progress:
- [ ] Step 0: Check preferences (EXTEND.md) ⛔ BLOCKING
- [ ] Step 1: Analyze content + save refs + determine output dir
- [ ] Step 2: Confirm options (6 dimensions) ⚠️ unless --quick
- [ ] Step 3: Create prompt
- [ ] Step 4: Generate image
- [ ] Step 5: Completion report
Flow Input → [Step 0: Preferences] ─┬─ Found → Continue
└─ Not found → First-Time Setup ⛔ BLOCKING → Save EXTEND.md → Continue
↓
Analyze + Save Refs → [Output Dir] → [Confirm: 6 Dimensions] → Prompt → Generate → Complete
↓
(skip if --quick or all specified)
Step 0: Load Preferences ⛔ BLOCKING Check EXTEND.md existence (priority: project → user):
test -f .baoyu-skills/baoyu-cover-image/EXTEND.md && echo "project"
test -f "${XDG_CONFIG_HOME:-$HOME /.config} /baoyu-skills/baoyu-cover-image/EXTEND.md" && echo "xdg"
test -f "$HOME /.baoyu-skills/baoyu-cover-image/EXTEND.md" && echo "user"
# PowerShell (Windows)
if (Test-Path .baoyu-skills/baoyu-cover-image/EXTEND.md) { "project" }
$xdg = if ($env:XDG_CONFIG_HOME) { $env:XDG_CONFIG_HOME } else { "$HOME/.config" }
if (Test-Path "$xdg/baoyu-skills/baoyu-cover-image/EXTEND.md") { "xdg" }
if (Test-Path "$HOME/.baoyu-skills/baoyu-cover-image/EXTEND.md") { "user" }
CRITICAL : If not found, complete setup BEFORE any other steps or questions.
Step 1: Analyze Content
Save reference images (if provided) → references/workflow/reference-images.md Save source content (if pasted, save to source.md)Analyze content : topic, tone, keywords, visual metaphorsDeep analyze references ⚠️: Extract specific, concrete elements (see reference-images.md)
If references contain people → set usage: direct so model sees reference image, describe character features for stylized preservation (see reference-images.md § Character Analysis)
Detect language : Compare source, user input, EXTEND.md preferenceDetermine output directory : Per File Structure rules
Step 2: Confirm Options ⚠️ Condition Skipped Still Asked --quick or quick_mode: true6 dimensions Aspect ratio (unless --aspect) All 6 + --aspect specified All None
Step 3: Create Prompt CRITICAL - References in Frontmatter :
Files saved to refs/ → Add to frontmatter references list
Style extracted verbally (no file) → Omit references, describe in body
Before writing → Verify: test -f refs/ref-NN-{slug}.{ext}
Reference elements in body MUST be detailed, prefixed with "MUST"/"REQUIRED", with integration approach.
Step 4: Generate Image
Backup existing cover.png if regeneratingCheck image generation skills ; if multiple, ask preferenceProcess references from prompt frontmatter:
direct usage → pass via --ref (use ref-capable backend)style/palette → extract traits, append to prompt
Generate : Call skill with prompt file, output path, aspect ratioOn failure: auto-retry once
Step 5: Completion Report Cover Generated!
Topic: [topic]
Type: [type] | Palette: [palette] | Rendering: [rendering]
Text: [text] | Mood: [mood] | Font: [font] | Aspect: [ratio]
Title: [title or "visual only"]
Language: [lang] | Watermark: [enabled/disabled]
References: [N images or "extracted style" or "none"]
Location: [directory path]
Files:
✓ source-{slug}.{ext}
✓ prompts/cover.md
✓ cover.png
Image Modification Action Steps Regenerate Backup → Update prompt file FIRST → Regenerate Change dimension Backup → Confirm new value → Update prompt → Regenerate
Composition Principles
Whitespace : 40-60% breathing roomVisual anchor : Main element centered or offset leftCharacters : Simplified silhouettes; NO realistic humansTitle : Use exact title from user/source; never invent
Extension Support Custom configurations via EXTEND.md. See Step 0 for paths.
Supports: Watermark | Preferred dimensions | Default aspect/output | Quick mode | Custom palettes | Language
References 