Estiliza pagina de upload externo - responsiva (novo47)

document_processor.php

@@ -0,0 +1,139 @@
+<?php
+class DocumentProcessor {
+    private $srcImage;
+    private $processedImage;
+    private $outputPath;
+    
+    public function __construct() {
+        if (!extension_loaded('gd')) {
+            throw new Exception('GD extension is required');
+        }
+    }
+
+    public function processDocument($imagePath, $outputPath) {
+        $this->outputPath = $outputPath;
+        
+        // Detecta o tipo da imagem e carrega
+        $imageInfo = getimagesize($imagePath);
+        if ($imageInfo === false) {
+            throw new Exception('Failed to load image');
+        }
+
+        switch ($imageInfo[2]) {
+            case IMAGETYPE_JPEG:
+                $this->srcImage = imagecreatefromjpeg($imagePath);
+                break;
+            case IMAGETYPE_PNG:
+                $this->srcImage = imagecreatefrompng($imagePath);
+                break;
+            default:
+                throw new Exception('Unsupported image type');
+        }
+
+        if ($this->srcImage === false) {
+            throw new Exception('Failed to create image resource');
+        }
+
+        // Pipeline de processamento
+        $this->detectEdges()
+             ->autoRotate()
+             ->enhanceImage()
+             ->saveResult();
+
+        return $this->outputPath;
+    }
+
+    private function detectEdges() {
+        $width = imagesx($this->srcImage);
+        $height = imagesy($this->srcImage);
+        
+        // Cria imagem temporária
+        $temp = imagecreatetruecolor($width, $height);
+        imagecopy($temp, $this->srcImage, 0, 0, 0, 0, $width, $height);
+        
+        // Converte para escala de cinza
+        imagefilter($temp, IMG_FILTER_GRAYSCALE);
+        
+        // Aplica detecção de bordas
+        imagefilter($temp, IMG_FILTER_EDGEDETECT);
+        
+        $this->processedImage = $temp;
+        return $this;
+    }
+
+    private function autoRotate() {
+        if (!isset($this->processedImage)) {
+            $this->processedImage = $this->srcImage;
+        }
+
+        $width = imagesx($this->processedImage);
+        $height = imagesy($this->processedImage);
+
+        // Detecta ângulo baseado em bordas horizontais/verticais
+        $angle = $this->detectRotationAngle();
+        
+        if ($angle != 0) {
+            $rotated = imagerotate($this->processedImage, $angle, 0);
+            if ($rotated !== false) {
+                $this->processedImage = $rotated;
+            }
+        }
+
+        return $this;
+    }
+
+    private function enhanceImage() {
+        if (!isset($this->processedImage)) {
+            $this->processedImage = $this->srcImage;
+        }
+
+        // Ajusta contraste
+        imagefilter($this->processedImage, IMG_FILTER_CONTRAST, -10);
+        
+        // Ajusta brilho
+        imagefilter($this->processedImage, IMG_FILTER_BRIGHTNESS, 10);
+        
+        // Ajusta nitidez
+        imagefilter($this->processedImage, IMG_FILTER_SMOOTH, -7);
+        
+        // Ajusta saturação
+        imagefilter($this->processedImage, IMG_FILTER_COLORIZE, 0, 0, 0, 10);
+
+        return $this;
+    }
+
+    private function detectRotationAngle() {
+        // Implementação simplificada de detecção de ângulo
+        // Baseado na análise de bordas horizontais e verticais
+        return 0; // Por enquanto retorna 0 (sem rotação)
+    }
+
+    private function saveResult() {
+        if (!isset($this->processedImage)) {
+            throw new Exception('No processed image to save');
+        }
+
+        $extension = strtolower(pathinfo($this->outputPath, PATHINFO_EXTENSION));
+        
+        switch ($extension) {
+            case 'jpg':
+            case 'jpeg':
+                imagejpeg($this->processedImage, $this->outputPath, 90);
+                break;
+            case 'png':
+                imagepng($this->processedImage, $this->outputPath, 9);
+                break;
+            default:
+                throw new Exception('Unsupported output image type');
+        }
+
+        if (is_resource($this->srcImage)) {
+            imagedestroy($this->srcImage);
+        }
+        if (is_resource($this->processedImage)) {
+            imagedestroy($this->processedImage);
+        }
+
+        return $this;
+    }
+}