Áp Phích Chân Dung Nghiêng In Lưới Halftone Cổ Điển

{
  "task": "Convert the reference photo or well-known subject into a vintage halftone bold poster-art style portrait illustration.",
  "input": {
    "subject_name": "[Jane Doe]",
    "reference_image": "the reference photo",
    "instruction": "Translate facial features faithfully into bold graphic poster art."
  },
  "output_exclusions": [
    "Do NOT include any inset photo, thumbnail, or rounded corner preview of the real reference image — full-bleed illustration only."
  ],
  "art_style": {
    "medium": "digital screen-printed offset-lithograph poster art",
    "influences": [
      "1960s-1970s bold political protest poster art",
      "stencil-style graphic illustration",
      "risograph print texture",
      "vintage retro concert and magazine poster design"
    ],
    "line_work": "high-contrast ink linework with fine cross-hatching and stippling for shading, visible brush strokes in hair strands",
    "rendering": "flat color blocking paired with engraving-style fine line shading, no photorealism, no airbrushing, no smooth gradients"
  },
  "composition": {
    "pose": "head and shoulders in strict 90-degree side profile facing left, eyes looking forward, chin slightly raised, confident neutral expression",
    "framing": "portrait orientation, filling 70-85% of vertical frame, cropped at mid-chest",
    "focal_backdrop": "large solid-color circular halo centered behind the head, 60-70% canvas width, overlapping with hair contours",
    "hair_treatment": "highly detailed directional flowing hair with graphic highlight streaks and strong linework"
  },
  "background": {
    "base_texture": "subtle coarse woven linen paper texture overlaid across the canvas",
    "layout": "asymmetric geometric color-block panels and halftone dot textures surrounding the circular motif",
    "grain": "fine screen-print analog grain and visible halftone screen patterns"
  },
  "color_palette": {
    "background_base": "warm aged cream paper (#e8dcc4)",
    "accent_circle": "bold poster red (#c1272d)",
    "linework_and_shadow": "rich near-black ink (#1a1512)",
    "highlights": "cream base tone"
  },
  "typography": {
    "headline": {
      "content": "[JANE DOE]",
      "placement": "top-left corner, inset from edge",
      "font_style": "extra-bold condensed grotesque sans-serif, all-caps, tightly tracked, stacked",
      "color": "matching linework ink"
    },
    "subheadline": {
      "content": "[VISIONARY LEADER]",
      "placement": "directly below headline",
      "font_style": "bold condensed sans-serif, all-caps, single line",
      "color": "matching accent poster red"
    }
  },
  "lighting": {
    "style": "single hard directional raking light forming sharp graphic cast shadows",
    "shadow_rendering": "rendered strictly via hatching, cross-hatching, and halftone dot arrays"
  }
}