Estiliza pagina de upload externo - responsiva (novo47)

document_processor.php

@@ -0,0 +1,109 @@
+<?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->enhanceImage()
+             ->saveResult();
+
+        return $this->outputPath;
+    }
+
+    private function enhanceImage() {
+        // Obtém dimensões originais
+        $width = imagesx($this->srcImage);
+        $height = imagesy($this->srcImage);
+        
+        // Cria nova imagem
+        $this->processedImage = imagecreatetruecolor($width, $height);
+        
+        // Preserva transparência para PNGs
+        imagealphablending($this->processedImage, false);
+        imagesavealpha($this->processedImage, true);
+        
+        // Copia imagem original
+        imagecopy($this->processedImage, $this->srcImage, 0, 0, 0, 0, $width, $height);
+        
+        // Ajusta contraste
+        imagefilter($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 $this;
+    }
+
+    private function saveResult() {
+        if (!isset($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, $this->outputPath);
+                break;
+            case 'png':
+                imagepng($this->processedImage, $this->outputPath);
+                break;
+            default:
+                throw new Exception('Unsupported output image type');
+        }
+
+        return $this;
+    }
+
+    private function orderPoints($pts) {
+        // Ordena pontos para transformação de perspectiva
+        $rect = array_fill(0, 4, [0, 0]);
+        $s = array_map(function($p) { return $p[0] + $p[1]; }, $pts);
+        $d = array_map(function($p) { return $p[0] - $p[1]; }, $pts);
+        
+        $rect[0] = $pts[array_search(min($s), $s)]; // top-left
+        $rect[2] = $pts[array_search(max($s), $s)]; // bottom-right
+        $rect[1] = $pts[array_search(min($d), $d)]; // top-right
+        $rect[3] = $pts[array_search(max($d), $d)]; // bottom-left
+        
+        return $rect;
+    }
+}