Remove OCR dependencies for Windows build - stub implementation

src-tauri/Cargo.toml

@@ -47,10 +47,11 @@ uuid = { version = "1.6", features = ["v4", "serde"] }
 # Regex
 regex = "1.10"
 
-# Image processing for OCR
+# Image processing
 image = "0.24"
-imageproc = "0.23"
+# Note: OCR requires system libraries (Tesseract)
-leptess = "0.14"
+# imageproc = "0.23"
+# leptess = "0.14"
 
 # Clipboard
 arboard = "3.3"

src-tauri/src/ocr/engine.rs

@@ -1,94 +1,49 @@
-use image::{DynamicImage, GrayImage, ImageBuffer, Luma};
+// OCR Engine - Stub implementation
-use imageproc::contrast::{stretch_contrast, threshold};
+// Full OCR requires Tesseract system libraries
-use leptess::TessBaseApi;
+// This stub allows the application to compile without OCR dependencies
+
 use std::collections::HashMap;
-use tracing::{debug, error, info};
+use tracing::{debug, info};
 
 use crate::ocr::calibration::{OCRRegion, OCRCalibration, PreprocessingConfig};
 
 pub struct OCREngine {
-    tesseract: TessBaseApi,
     calibration: OCRCalibration,
+    available: bool,
 }
 
 impl OCREngine {
     pub fn new() -> Result<Self, String> {
-        let mut tesseract = TessBaseApi::new();
+        info!("OCR Engine initialized (stub mode - Tesseract not available)");
-        
-        // Initialize with English
-        if tesseract.init(None, "eng").is_err() {
-            return Err("Failed to initialize Tesseract".to_string());
-        }
-        
-        // Set OCR engine mode to LSTM only for better accuracy
-        tesseract.set_variable("tessedit_ocr_engine_mode", "1").ok();
-        
-        // Whitelist characters for numeric/text recognition
-        tesseract.set_variable("tessedit_char_whitelist", 
-            "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.,-:()%/ ").ok();
-        
         Ok(Self {
-            tesseract,
             calibration: OCRCalibration::default(),
+            available: false,
         })
     }
     
+    pub fn is_available(&self) -> bool {
+        self.available
+    }
+    
     pub fn set_calibration(&mut self, calibration: OCRCalibration) {
         self.calibration = calibration;
     }
     
-    pub fn recognize_region(&mut self, region_name: &str, screenshot: &[u8]) -> Result<String, String> {
+    pub fn recognize_region(&mut self, _region_name: &str, _screenshot: &[u8]) -> Result<String, String> {
-        let region = self.calibration.regions.get(region_name)
+        // Stub implementation - OCR requires Tesseract system libraries
-            .ok_or_else(|| format!("Region '{}' not found", region_name))?;
+        Err("OCR not available - Tesseract system library not installed".to_string())
-        
-        // Load image
-        let mut img = image::load_from_memory(screenshot)
-            .map_err(|e| format!("Failed to load image: {}", e))?;
-        
-        // Crop to region
-        let cropped = img.crop(
-            region.x as u32,
-            region.y as u32,
-            region.width as u32,
-            region.height as u32,
-        );
-        
-        // Preprocess
-        let processed = self.preprocess_image(&cropped, &region.preprocessing);
-        
-        // Perform OCR
-        let text = self.perform_ocr(&processed)?;
-        
-        debug!("OCR result for '{}': '{}'", region_name, text);
-        
-        Ok(text.trim().to_string())
     }
     
-    pub fn recognize_hp(&mut self, screenshot: &[u8]) -> Result<(f32, f32), String> {
+    pub fn recognize_hp(&mut self, _screenshot: &[u8]) -> Result<(f32, f32), String> {
-        // Try to extract HP value and max HP
+        Err("OCR not available".to_string())
-        let text = self.recognize_region("hp_bar", screenshot)?;
-        
-        // Parse HP text (formats: "1234/5678" or "1234" or percentage)
-        if let Some((current, max)) = Self::parse_hp_text(&text) {
-            Ok((current, max))
-        } else {
-            Err(format!("Failed to parse HP from text: '{}'", text))
-        }
     }
     
-    pub fn recognize_mob_name(&mut self, screenshot: &[u8]) -> Result<String, String> {
+    pub fn recognize_mob_name(&mut self, _screenshot: &[u8]) -> Result<String, String> {
-        // Mob names appear as floating text above mobs
+        Err("OCR not available".to_string())
-        // This requires detecting text that appears temporarily
-        let text = self.recognize_region("mob_name", screenshot)?;
-        Ok(text)
     }
     
-    pub fn recognize_coordinates(&mut self, screenshot: &[u8]) -> Result<(f32, f32, f32), String> {
+    pub fn recognize_coordinates(&mut self, _screenshot: &[u8]) -> Result<(f32, f32, f32), String> {
-        // Read coordinates from radar or location display
+        Err("OCR not available".to_string())
-        let text = self.recognize_region("radar", screenshot)?;
-        
-        // Parse coordinate text (format: "X: 12345.67 Y: 12345.89 Z: 123.45")
-        Self::parse_coordinates(&text)
     }
     
     pub fn detect_text_changes(
@@ -99,7 +54,6 @@ impl OCREngine {
     ) -> Vec<TextChange> {
         let mut changes = Vec::new();
         
-        // Detect added/removed/changed text
         if previous != current {
             changes.push(TextChange {
                 region: region_name.to_string(),
@@ -111,99 +65,6 @@ impl OCREngine {
         
         changes
     }
-    
-    fn preprocess_image(&self, img: &DynamicImage, config: &PreprocessingConfig) -> DynamicImage {
-        let mut processed = img.clone();
-        
-        // Convert to grayscale if needed
-        if config.grayscale {
-            processed = DynamicImage::ImageLuma8(processed.to_luma8());
-        }
-        
-        // Apply contrast and brightness
-        if config.contrast != 1.0 || config.brightness != 0.0 {
-            processed = self.adjust_contrast_brightness(&processed, config.contrast, config.brightness);
-        }
-        
-        // Apply threshold if specified
-        if let Some(thresh) = config.threshold {
-            if let DynamicImage::ImageLuma8(gray) = &processed {
-                let thresholded = threshold(gray, thresh);
-                processed = DynamicImage::ImageLuma8(thresholded);
-            }
-        }
-        
-        // Invert if needed
-        if config.invert {
-            processed.invert();
-        }
-        
-        processed
-    }
-    
-    fn adjust_contrast_brightness(&self, img: &DynamicImage, contrast: f32, brightness: f32) -> DynamicImage {
-        // Apply contrast stretch
-        if let DynamicImage::ImageLuma8(gray) = img {
-            let adjusted = stretch_contrast(gray, 
-                (brightness * 255.0) as u8, 
-                ((1.0 + contrast) * 255.0) as u8
-            );
-            DynamicImage::ImageLuma8(adjusted)
-        } else {
-            img.clone()
-        }
-    }
-    
-    fn perform_ocr(&mut self, img: &DynamicImage) -> Result<String, String> {
-        // Convert to bytes for Tesseract
-        let mut bytes: Vec<u8> = Vec::new();
-        img.write_to(&mut std::io::Cursor::new(&mut bytes), image::ImageOutputFormat::Png)
-            .map_err(|e| format!("Failed to encode image: {}", e))?;
-        
-        // Set image in Tesseract
-        self.tesseract.set_image_from_mem(&bytes)
-            .map_err(|e| format!("Failed to set image: {:?}", e))?;
-        
-        // Get text
-        let text = self.tesseract.get_utf8_text()
-            .map_err(|e| format!("OCR failed: {:?}", e))?;
-        
-        Ok(text)
-    }
-    
-    fn parse_hp_text(text: &str) -> Option<(f32, f32)> {
-        // Parse formats: "1234/5678", "1234 / 5678", "1,234/5,678"
-        let cleaned: String = text.chars()
-            .filter(|c| c.is_digit(10) || *c == '/' || *c == '.' || *c == ',')
-            .collect();
-        
-        if let Some(sep_pos) = cleaned.find('/') {
-            let current: f32 = cleaned[..sep_pos].replace(",", "").parse().ok()?;
-            let max: f32 = cleaned[sep_pos + 1..].replace(",", "").parse().ok()?;
-            Some((current, max))
-        } else {
-            // Single number - assume it's current HP
-            let current: f32 = cleaned.replace(",", "").parse().ok()?;
-            Some((current, current))
-        }
-    }
-    
-    fn parse_coordinates(text: &str) -> Result<(f32, f32, f32), String> {
-        // Parse format: "X: 12345.67 Y: 12345.89 Z: 123.45"
-        let mut coords = (0.0, 0.0, 0.0);
-        
-        for part in text.split_whitespace() {
-            if part.starts_with("X:") {
-                coords.0 = part[2..].trim().parse().unwrap_or(0.0);
-            } else if part.starts_with("Y:") {
-                coords.1 = part[2..].trim().parse().unwrap_or(0.0);
-            } else if part.starts_with("Z:") {
-                coords.2 = part[2..].trim().parse().unwrap_or(0.0);
-            }
-        }
-        
-        Ok(coords)
-    }
 }
 
 #[derive(Debug, Clone)]