Generate & Enhance
with Gemini AI

Copy // ── IMAGE GENERATION via Gemini 2.0 Flash ────────────────────────────── const generateImage = async (prompt, apiKey, options) => { const res = await fetch( `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-preview-image-generation:generateContent?key=${apiKey}`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ contents: [{ parts: [{ text: buildPrompt(prompt, options) }] }], generationConfig: { responseModalities: ["TEXT", "IMAGE"], temperature: options.creativity ?? 0.7, } }) } ); const data = await res.json(); // Extract base64 image from response const imgPart = data.candidates[0].content.parts .find(p => p.inlineData); return `data:image/png;base64,${imgPart.inlineData.data}`; }; // ── IMAGE ENHANCEMENT (Photorealistic, Fidelity-locked) ───────────────── const enhanceImage = async (base64Image, apiKey, options) => { const FIDELITY_SYSTEM = ` You are a photorealistic image upscaler. STRICT RULES — NO exceptions: 1. Output must be a pixel-perfect upscale of the input. 2. Zero hallucinations, zero new details not in original. 3. No stylization, no perspective shifts, no text/graphics. 4. No color grading changes beyond requested enhancement. 5. Preserve all faces, textures, edges exactly. 6. Output must be photorealistic, sharp, high-resolution. `; const res = await fetch( `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-preview-image-generation:generateContent?key=${apiKey}`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ system_instruction: { parts: [{ text: FIDELITY_SYSTEM }] }, contents: [{ parts: [ { inlineData: { mimeType: 'image/jpeg', data: base64Image } }, { text: buildEnhancePrompt(options) } ] }], generationConfig: { responseModalities: ["IMAGE"], temperature: 0.1, // Very low for fidelity } }) } ); return await extractImage(res); };