Street Graffiti Portrait Generator Prompt (JSON Format)

{ "task_description": "Create a natural street portrait of a real person standing in front of a layered, messy graffiti wall. The wall features a spontaneous, hand-painted caricature of the person.", "global_settings": { "aspect_ratio": "4:3", "camera_view": "Front-on or slight 15-degree angle; avoid extreme perspective distortion; eye-level shot", "overall_vibe": "Authentic urban street culture, raw, energetic, and candid" }, "variables": { "mural_main_text": "{argument name="涂鸦主文本" default="月入百万"}", "mural_secondary_text": "{argument name="涂鸦副文本" default="2026"}", "theme": "{argument name="主题" default="New Year Festive"}", "style_pool": ["New Year Festive", "Cyberpunk Underground", "Vintage Republican", "Traditional Zen"] }, "mural_aesthetics": { "rendering_style": "Hand-painted aerosol art, not a digital print", "messiness_factors": [ "Visible paint splatters and spontaneous drips", "Soft, blurred spray edges (no sharp digital outlines)", "Layered effect: the main portrait is painted over faint, messy background tags and scribbles", "Imperfect symmetry to enhance the 'freehand' look" ], "content": "A vibrant caricature based on the reference person's facial features and joyful expression, integrated into the chaotic beauty of the street wall." }, "style_scenarios": { "New_Year_Festive": { "setting": "An old city street during dusk", "palette": "Dominant deep reds and gold, contrasted with the reference image's colors", "details": "Faint lanterns in the distance, festive graffiti tags" }, "Cyberpunk_Underground": { "setting": "A dimly lit pedestrian tunnel with wet floors", "palette": "Neon blue and violet, mixed with the reference image's color tones", "details": "Exposed wires on the wall, industrial textures" }, "Vintage_Republican": { "setting": "A historic brick alleyway (Lilong)", "palette": "Muted earth tones, sepia, and charcoal", "details": "Old wooden window frames, textured grey bricks" }, "Traditional_Zen": { "setting": "A quiet courtyard with a stone wall", "palette": "Ink black, sage green, and white-wash", "details": "Subtle bamboo shadows, weathered limestone texture" } }, "foreground_subject": { "logic": "Mirror the gender and facial features of the reference image.", "attire_strategy": "Inherit the dominant color palette from the reference photo's clothing. For example, if the reference is wearing a black T-shirt, generate a stylish, theme-appropriate outfit in black or dark tones (e.g., a black techwear jacket for Cyberpunk theme).", "position": "Grounded in the bottom right corner, waist-up or three-quarter view.", "pose_randomization": [ "Casually leaning back against the wall", "One hand adjusting ha