From ee25c1f2eebf057eafd436641e270658b8781b95 Mon Sep 17 00:00:00 2001
From: "Morgan 'ARR\\!' Allen" <morganrallen@gmail.com>
Date: Thu, 17 Apr 2014 14:08:02 -0700
Subject: [PATCH] putText with font and color support

---
 package.json  |  1 +
 src/Matrix.cc | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/Matrix.h  |  2 ++
 test/unit.js  | 33 +++++++++++++++++++++++++++++++++
 4 files changed, 78 insertions(+)

diff --git a/package.json b/package.json
index 01824d2..c5784f7 100755
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
   },
   "license": "MIT",
   "scripts": {
+    "build": "node-gyp build",
     "preinstall": "node-gyp clean rebuild",
     "test": "vows test/unit.js"
   },
diff --git a/src/Matrix.cc b/src/Matrix.cc
index 58822d7..51d8732 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -97,6 +97,8 @@ Matrix::Init(Handle<Object> target) {
 
 	NODE_SET_PROTOTYPE_METHOD(constructor, "pushBack", PushBack);
 
+	NODE_SET_PROTOTYPE_METHOD(constructor, "putText", PutText);
+
 	NODE_SET_METHOD(constructor, "Eye", Eye);
 
 
@@ -1650,3 +1652,43 @@ Matrix::PushBack(const v8::Arguments& args) {
 
   return scope.Close(args.This());
 }
+
+Handle<Value>
+Matrix::PutText(const v8::Arguments& args) {
+  HandleScope scope;
+
+  Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
+  
+  v8::String::AsciiValue textString(args[0]);
+  char *text = (char *) malloc(textString.length() + 1);
+  strcpy(text, *textString);
+
+  int x = args[1]->IntegerValue();
+  int y = args[2]->IntegerValue();
+
+  v8::String::AsciiValue fontString(args[3]);
+  char *font = (char *) malloc(fontString.length() + 1);
+  strcpy(font, *fontString);
+  int constFont = cv::FONT_HERSHEY_SIMPLEX;
+
+  if (!strcmp(font, "HERSEY_SIMPLEX")) { constFont = cv::FONT_HERSHEY_SIMPLEX; }
+  else if (!strcmp(font, "HERSEY_PLAIN")) { constFont = cv::FONT_HERSHEY_PLAIN; }
+  else if (!strcmp(font, "HERSEY_DUPLEX")) { constFont = cv::FONT_HERSHEY_DUPLEX; }
+  else if (!strcmp(font, "HERSEY_COMPLEX")) { constFont = cv::FONT_HERSHEY_COMPLEX; }
+  else if (!strcmp(font, "HERSEY_TRIPLEX")) { constFont = cv::FONT_HERSHEY_TRIPLEX; }
+  else if (!strcmp(font, "HERSEY_COMPLEX_SMALL")) { constFont = cv::FONT_HERSHEY_COMPLEX_SMALL; }
+  else if (!strcmp(font, "HERSEY_SCRIPT_SIMPLEX")) { constFont = cv::FONT_HERSHEY_SCRIPT_SIMPLEX; }
+  else if (!strcmp(font, "HERSEY_SCRIPT_COMPLEX")) { constFont = cv::FONT_HERSHEY_SCRIPT_COMPLEX; }
+  else if (!strcmp(font, "HERSEY_SCRIPT_SIMPLEX")) { constFont = cv::FONT_HERSHEY_SCRIPT_SIMPLEX; }
+
+  cv::Scalar color(0, 0, 255);
+
+  if(args[4]->IsArray()) {
+    Local<Object> objColor = args[4]->ToObject();
+    color = setColor(objColor);
+  }
+
+  cv::putText(self->mat, text, cv::Point(x, y), constFont, 1, color, 2);
+
+  return scope.Close(Undefined());
+}
diff --git a/src/Matrix.h b/src/Matrix.h
index 33f723c..0e948a7 100755
--- a/src/Matrix.h
+++ b/src/Matrix.h
@@ -90,6 +90,8 @@ class Matrix: public node::ObjectWrap {
     JSFUNC(MinMaxLoc)
 
     JSFUNC(PushBack)
+
+    JSFUNC(PutText)
 /*
 	static Handle<Value> Val(const Arguments& args);
 	static Handle<Value> RowRange(const Arguments& args);
diff --git a/test/unit.js b/test/unit.js
index a9c3058..763ae2f 100755
--- a/test/unit.js
+++ b/test/unit.js
@@ -351,6 +351,39 @@ vows.describe('Smoke Tests OpenCV').addBatch({
   
   }
 
+  , "putText": {
+    topic: function() {
+      var cv = require('../lib/opencv')
+        , self = this
+      
+      cv.readImage('./examples/coin1.jpg', function(e, im){
+        self.callback(null, im);
+      });
+    },
+    "fonts": function(im) {
+      function rnd() {
+        return Math.round(Math.random() * 255);
+      };
+
+      var y = 0;
+
+      ([
+        "HERSEY_SIMPLEX",
+        "HERSEY_PLAIN",
+        "HERSEY_DUPLEX",
+        "HERSEY_COMPLEX",
+        "HERSEY_TRIPLEX",
+        "HERSEY_COMPLEX_SMALL",
+        "HERSEY_SCRIPT_SIMPLEX",
+        "HERSEY_SCRIPT_COMPLEX",
+        "HERSEY_SCRIPT_SIMPLEX"
+      ]).forEach(function(font) {
+        im.putText("Some text", 0, y += 20, font, [rnd(), rnd(), rnd()]);
+      });
+
+      im.save("./examples/coin1-with-text.jpg");
+    }
+  }
 
 
 }).export(module);