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feat(baoyu-cover-image): add screen-print rendering and duotone palette

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Add screen-print as 7th rendering style with halftone textures and limited
colors. Add duotone as 10th color palette for dramatic two-color compositions.
Update all compatibility matrices and style presets (poster-art, mondo,
art-deco, propaganda, cinematic).
This commit is contained in:
Jim Liu 宝玉
2026-03-08 13:07:10 -05:00
parent adb587439d
commit 16db99a3ef
8 changed files with 132 additions and 38 deletions
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skills/baoyu-cover-image/SKILL.md
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---
name: baoyu-cover-image
description: Generates article cover images with 5 dimensions (type, palette, rendering, text, mood) combining 9 color palettes and 6 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".
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".
---
# Cover Image Generator
@@ -35,8 +35,8 @@ Generate elegant cover images for articles with 5-dimensional customization.
| Option | Description |
|--------|-------------|
| `--type <name>` | hero, conceptual, typography, metaphor, scene, minimal |
| `--palette <name>` | warm, elegant, cool, dark, earth, vivid, pastel, mono, retro |
| `--rendering <name>` | flat-vector, hand-drawn, painterly, digital, pixel, chalk |
| `--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](references/style-presets.md)) |
| `--text <level>` | none, title-only, title-subtitle, text-rich |
| `--mood <level>` | subtle, balanced, bold |
@@ -52,8 +52,8 @@ Generate elegant cover images for articles with 5-dimensional customization.
| Dimension | Values | Default |
|-----------|--------|---------|
| **Type** | hero, conceptual, typography, metaphor, scene, minimal | auto |
| **Palette** | warm, elegant, cool, dark, earth, vivid, pastel, mono, retro | auto |
| **Rendering** | flat-vector, hand-drawn, painterly, digital, pixel, chalk | 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 |
@@ -65,10 +65,10 @@ Auto-selection rules: [references/auto-selection.md](references/auto-selection.m
**Types**: hero, conceptual, typography, metaphor, scene, minimal
→ Details: [references/types.md](references/types.md)
**Palettes**: warm, elegant, cool, dark, earth, vivid, pastel, mono, retro
**Palettes**: warm, elegant, cool, dark, earth, vivid, pastel, mono, retro, duotone
→ Details: [references/palettes/](references/palettes/)
**Renderings**: flat-vector, hand-drawn, painterly, digital, pixel, chalk
**Renderings**: flat-vector, hand-drawn, painterly, digital, pixel, chalk, screen-print
→ Details: [references/renderings/](references/renderings/)
**Text Levels**: none (pure visual) | title-only (default) | title-subtitle | text-rich (with tags)
skills/baoyu-cover-image/references/auto-selection.md
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| Fantasy, children, gentle, creative, whimsical | `pastel` |
| Zen, focus, essential, pure, simple | `mono` |
| History, vintage, retro, classic, exploration | `retro` |
| Movie poster, album cover, concert, cinematic, dramatic, two-color | `duotone` |
## Auto Rendering Selection
@@ -37,6 +38,7 @@ When a dimension is omitted, select based on content signals.
| Data, dashboard, SaaS, corporate, polished | `digital` |
| Gaming, retro, 8-bit, nostalgic | `pixel` |
| Education, tutorial, classroom, teaching | `chalk` |
| Poster, movie, album, concert, silhouette, mondo, limited-edition | `screen-print` |
## Auto Text Selection
skills/baoyu-cover-image/references/compatibility.md
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## Palette × Rendering
| | flat-vector | hand-drawn | painterly | digital | pixel | chalk |
|---|:---:|:---:|:---:|:---:|:---:|:---:|
| warm | ✓✓ | ✓✓ | ✓ | ✓ | ✓ | ✓ |
| elegant | ✓ | ✓✓ | ✓ | ✓✓ | ✗ | ✗ |
| cool | ✓✓ | ✓ | ✗ | ✓✓ | ✓ | ✓ |
| dark | ✓ | ✓ | ✓ | ✓✓ | ✓ | ✓✓ |
| earth | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✗ |
| vivid | ✓✓ | ✓ | ✓ | ✓ | ✓✓ | ✓ |
| pastel | ✓✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✗ |
| mono | ✓✓ | ✓ | ✗ | ✓✓ | ✓ | ✓ |
| retro | ✓✓ | ✓✓ | ✓ | ✓✓ | ✓ | ✗ |
| | flat-vector | hand-drawn | painterly | digital | pixel | chalk | screen-print |
|---|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
| warm | ✓✓ | ✓✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| elegant | ✓ | ✓✓ | ✓ | ✓✓ | ✗ | ✗ | ✓ |
| cool | ✓✓ | ✓ | ✗ | ✓✓ | ✓ | ✓ | ✓ |
| dark | ✓ | ✓ | ✓ | ✓✓ | ✓ | ✓✓ | ✓✓ |
| earth | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✗ | ✓ |
| vivid | ✓✓ | ✓ | ✓ | ✓ | ✓✓ | ✓ | ✓✓ |
| pastel | ✓✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✗ | ✗ |
| mono | ✓✓ | ✓ | ✗ | ✓✓ | ✓ | ✓ | ✓✓ |
| retro | ✓✓ | ✓✓ | ✓ | ✓✓ | ✓ | ✗ | ✓✓ |
| duotone | ✓ | ✗ | ✗ | ✓ | ✗ | ✗ | ✓✓ |
## Type × Rendering
| | flat-vector | hand-drawn | painterly | digital | pixel | chalk |
|---|:---:|:---:|:---:|:---:|:---:|:---:|
| hero | ✓ | ✓✓ | ✓✓ | ✓✓ | ✓ | ✓ |
| conceptual | ✓✓ | ✓ | ✗ | ✓✓ | ✓ | ✓ |
| typography | ✓✓ | ✓ | ✓ | ✓✓ | ✓ | ✓ |
| metaphor | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✓ |
| scene | ✗ | ✓ | ✓✓ | ✓ | ✓ | ✗ |
| minimal | ✓✓ | ✓ | ✓ | ✓✓ | ✗ | ✗ |
| | flat-vector | hand-drawn | painterly | digital | pixel | chalk | screen-print |
|---|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
| hero | ✓ | ✓✓ | ✓✓ | ✓✓ | ✓ | ✓ | ✓✓ |
| conceptual | ✓✓ | ✓ | ✗ | ✓✓ | ✓ | ✓ | ✓ |
| typography | ✓✓ | ✓ | ✓ | ✓✓ | ✓ | ✓ | ✓✓ |
| metaphor | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✓ | ✓✓ |
| scene | ✗ | ✓ | ✓✓ | ✓ | ✓ | ✗ | ✓ |
| minimal | ✓✓ | ✓ | ✓ | ✓✓ | ✗ | ✗ | ✓✓ |
## Type × Text
@@ -51,9 +52,9 @@
## Font × Rendering
| | flat-vector | hand-drawn | painterly | digital | pixel | chalk |
|---|:---:|:---:|:---:|:---:|:---:|:---:|
| clean | ✓✓ | ✗ | ✗ | ✓✓ | ✓ | ✗ |
| handwritten | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✓✓ |
| serif | ✓ | ✗ | ✓ | ✓✓ | ✗ | ✗ |
| display | ✓✓ | ✓ | ✓ | ✓✓ | ✓✓ | ✓ |
| | flat-vector | hand-drawn | painterly | digital | pixel | chalk | screen-print |
|---|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
| clean | ✓✓ | ✗ | ✗ | ✓✓ | ✓ | ✗ | ✓ |
| handwritten | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✓✓ | ✗ |
| serif | ✓ | ✗ | ✓ | ✓✓ | ✗ | ✗ | ✓ |
| display | ✓✓ | ✓ | ✓ | ✓✓ | ✓✓ | ✓ | ✓✓ |
skills/baoyu-cover-image/references/dimensions/font.md
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## Rendering Compatibility
| Font × Rendering | flat-vector | hand-drawn | painterly | digital | pixel | chalk |
|------------------|:-----------:|:----------:|:---------:|:-------:|:-----:|:-----:|
| clean | ✓✓ | ✗ | ✗ | ✓✓ | ✓ | ✗ |
| handwritten | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✓✓ |
| serif | ✓ | ✗ | ✓ | ✓✓ | ✗ | ✗ |
| display | ✓✓ | ✓ | ✓ | ✓✓ | ✓✓ | ✓ |
| Font × Rendering | flat-vector | hand-drawn | painterly | digital | pixel | chalk | screen-print |
|------------------|:-----------:|:----------:|:---------:|:-------:|:-----:|:-----:|:------------:|
| clean | ✓✓ | ✗ | ✗ | ✓✓ | ✓ | ✗ | ✓ |
| handwritten | ✓ | ✓✓ | ✓✓ | ✓ | ✗ | ✓✓ | ✗ |
| serif | ✓ | ✗ | ✓ | ✓✓ | ✗ | ✗ | ✓ |
| display | ✓✓ | ✓ | ✓ | ✓✓ | ✓✓ | ✓ | ✓✓ |
✓✓ = highly recommended | ✓ = compatible | ✗ = not recommended
@@ -148,6 +148,7 @@ Font style adapts to palette characteristics:
| Cool (cool, mono, elegant) | Perfect match | Contrast | Classic pairing | Bold statement |
| Dark (dark, vivid) | High contrast | Glow effects | Dramatic | Maximum impact |
| Vintage (retro) | Modern contrast | Nostalgic fit | Period-appropriate | Retro headlines |
| Duotone (duotone) | Sharp contrast | Not recommended | Dramatic pairing | Cinematic impact |
## Auto Selection
skills/baoyu-cover-image/references/dimensions/mood.md
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@@ -112,6 +112,7 @@ Mood modifies the base palette characteristics:
| Cool palettes (cool, mono, elegant) | Lighter lines, muted colors | Standard colors | Stronger contrast, sharper definition |
| Dark palettes (dark, vivid) | Reduced contrast, softer glow | Standard colors | Maximum impact, vivid saturation |
| Vintage palettes (retro) | More faded, sepia-heavy | Standard colors | Bolder retro contrasts |
| Duotone palettes (duotone) | Softer contrast between pair | Standard two-color split | Maximum contrast, stark separation |
## Rendering Interaction
@@ -125,6 +126,7 @@ Mood adjusts rendering characteristics:
| digital | Reduced shadows, lower contrast | Standard rendering | Stronger shadows, sharper edges |
| pixel | Fewer colors, simpler shapes | Standard palette | More colors, denser pixel detail |
| chalk | Lighter chalk, more board showing | Standard chalk | Heavy chalk, vivid colors, dense marks |
| screen-print | Fewer colors (2), lighter halftone | Standard 3-4 colors, medium halftone | More colors (4-5), dense halftone, stronger misregistration |
## Auto Selection
skills/baoyu-cover-image/references/palettes/duotone.md
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# duotone
Dramatic, cinematic, two-color high contrast
## Color Palette
| Role | Color | Hex |
|------|-------|-----|
| Primary 1 | Burnt Orange | #E8751A |
| Primary 2 | Deep Teal | #0A6E6E |
| Background | Off-Black | #121212 |
| Background Alt | Dark Charcoal | #1E1E1E |
| Accent 1 | Warm Cream | #F5E6D0 |
| Accent 2 | Amber Highlight | #F4A623 |
## Duotone Pair Options
Choose ONE pair based on content mood. The two colors dominate the entire image:
| Pair | Color A | Color B | Feel |
|------|---------|---------|------|
| Orange + Teal | #E8751A | #0A6E6E | Cinematic, action |
| Red + Cream | #C0392B | #F5E6D0 | Bold, classic |
| Blue + Gold | #1A3A5C | #D4A843 | Prestigious, premium |
| Purple + Green | #6B3FA0 | #2ECC71 | Futuristic, contrast |
| Magenta + Cyan | #C2185B | #00BCD4 | Vibrant, pop |
| Crimson + Navy | #DC143C | #0D1B2A | Dramatic, noir |
## Decorative Hints
- Stark two-color separation across entire composition
- Halftone transitions between the two colors
- Silhouettes in one color against the other
- Minimal use of third color (only for small highlights)
- High contrast figure-ground relationships
## Best For
Movie posters, album covers, concert prints, dramatic announcements, cinematic content, bold branding, editorial covers, artistic campaigns
skills/baoyu-cover-image/references/renderings/screen-print.md
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# screen-print
Bold, limited-color poster art with print texture
## Core Characteristics
Screen print / silkscreen aesthetic with flat color blocks, halftone textures, and deliberate print imperfections. Think Mondo limited-edition posters, vintage concert prints, and alternative movie poster art.
## Lines
- Clean, sharp edges between color blocks
- No outlines — shapes defined by color boundaries
- Stencil-cut quality, bold silhouettes
- Geometric shapes with precise registration
## Texture
- Halftone dot patterns within color fills
- Slight color layer misregistration (offset between print layers)
- Paper grain texture beneath colors
- Risograph / screen print imperfections (ink spread, dot gain)
## Depth
- Flat color planes layered front to back
- Depth through silhouette overlap and color layering
- No gradients — tonal variation via halftone density
- Negative space as active compositional element
## Element Vocabulary
- Bold silhouettes and symbolic shapes
- Geometric framing (circles, arches, triangles)
- Figure-ground inversion (negative space forms secondary image)
- Limited icon vocabulary: key props, symbolic objects
- Typography integrated as design element, not overlay
- Vintage poster border treatments
## Typography Approach
- Bold condensed sans-serif or hand-drawn lettering
- Art Deco influences, vintage poster typography
- Typography as integral part of composition (not separate layer)
- Strong readability through high contrast with background
skills/baoyu-cover-image/references/style-presets.md
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| `warm` | `warm` | `hand-drawn` |
| `warm-flat` | `warm` | `flat-vector` |
| `watercolor` | `earth` | `painterly` |
| `poster-art` | `retro` | `screen-print` |
| `mondo` | `mono` | `screen-print` |
| `art-deco` | `elegant` | `screen-print` |
| `propaganda` | `vivid` | `screen-print` |
| `cinematic` | `duotone` | `screen-print` |
## Override Examples