From c1018cb1ada7a3c7ac634cb5885bc5b558865e04 Mon Sep 17 00:00:00 2001
From: Matt Hill <matthill@openalpr.com>
Date: Mon, 14 Mar 2016 22:28:08 -0400
Subject: [PATCH] Added toString function to prewarp

---
 src/openalpr/prewarp.cpp | 12 ++++++++++++
 src/openalpr/prewarp.h   |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/src/openalpr/prewarp.cpp b/src/openalpr/prewarp.cpp
index ece8783..0ec9108 100644
--- a/src/openalpr/prewarp.cpp
+++ b/src/openalpr/prewarp.cpp
@@ -111,6 +111,18 @@ namespace alpr
   PreWarp::~PreWarp() {
   }
   
+  std::string PreWarp::toString() {
+    
+    if (!this->valid)
+      return "";
+    
+    stringstream sstream;
+    sstream << "planar," << w << "," << h << "," << rotationx << "," << rotationy << "," << rotationz << ","
+            << panX << "," << panY << "," << stretchX << "," << dist;
+    
+    return sstream.str();
+  }
+
   void PreWarp::setTransform(float w, float h, float rotationx, float rotationy, float rotationz, float panX, float panY, float stretchX, float dist)
   {
     this->w = w;
diff --git a/src/openalpr/prewarp.h b/src/openalpr/prewarp.h
index e41f6b5..439a5f7 100644
--- a/src/openalpr/prewarp.h
+++ b/src/openalpr/prewarp.h
@@ -46,6 +46,8 @@ namespace alpr
     
     bool valid;
     
+    std::string toString();
+    
   private:
     Config* config;
     cv::Mat transform;