image_processor.ts•2.42 kB
/**
* Image processing utilities for construction drawings
*
* This module provides functions to extract and process images from PDF documents,
* particularly focused on construction drawings and technical plans.
*
* IMPORTANT: This is a placeholder for Phase 2 implementation.
*/
interface ImageExtractionOptions {
fullPage: boolean; // Extract full page as an image
detectSections: boolean; // Try to detect and extract logical sections
resolution: number; // DPI for image extraction
}
interface ExtractedImage {
data: Uint8Array; // Raw image data
pageNumber: number; // Source page number
metadata: {
source: string; // Source document path
section?: string; // Section identifier if applicable
width: number; // Image width in pixels
height: number; // Image height in pixels
};
}
/**
* Extract images from a PDF document
*
* @param pdfPath Path to the PDF file
* @param options Image extraction options
* @returns Array of extracted images
*/
export async function extractImagesFromPDF(
pdfPath: string,
options: ImageExtractionOptions = {
fullPage: true,
detectSections: false,
resolution: 300
}
): Promise<ExtractedImage[]> {
// This is a placeholder for future implementation
console.log(`Image extraction will be implemented in Phase 2`);
console.log(`Options: ${JSON.stringify(options)}`);
// Return empty array for now
return [];
}
/**
* Generate embedding vector for an image
*
* @param imageData Raw image data
* @param model Name of the embedding model to use
* @returns Vector embedding of the image
*/
export async function generateImageEmbedding(
imageData: Uint8Array,
model: string
): Promise<number[]> {
// This is a placeholder for future implementation
console.log(`Image embedding will be implemented in Phase 2`);
// Return empty vector for now
return [];
}
/**
* Utility function to resize an image
*
* @param imageData Raw image data
* @param width Target width
* @param height Target height
* @returns Resized image data
*/
export async function resizeImage(
imageData: Uint8Array,
width: number,
height: number
): Promise<Uint8Array> {
// This is a placeholder for future implementation
console.log(`Image resizing will be implemented in Phase 2`);
// Return original data for now
return imageData;
}