From f758127362e3c1e4e926204a83ce3104af1278bb Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@herge.(none)>
Date: Thu, 11 Jul 2013 13:21:36 +0100
Subject: cvimage fully incorporated

---
 rotord/cvimage.cpp | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 rotord/cvimage.cpp

(limited to 'rotord/cvimage.cpp')

diff --git a/rotord/cvimage.cpp b/rotord/cvimage.cpp
new file mode 100644
index 0000000..3a070a9
--- /dev/null
+++ b/rotord/cvimage.cpp
@@ -0,0 +1,66 @@
+#include "cvimage.h"
+
+using namespace std;
+
+namespace Rotor {
+	//believe these still work, don't know if these optimisations are better than opencvs..
+	Image & Image::operator+=(const Image &other) {
+		if (other.w!=w||other.h!=h) {
+			cerr<<"Rotor: cannot add images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
+		}
+		else {
+			rgb+=other.rgb;
+		}
+		return *this;
+	}
+	Image & Image::operator*=(const Image &other) {
+		if (other.w!=w||other.h!=h) {
+			cerr<<"Rotor: cannot multiply images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
+		}
+		else {
+			rgb/=other.rgb; //counter intuitive!
+		}
+		return *this;
+	}
+	Image & Image::add_wrap(const Image &other) {
+		if (other.w!=w||other.h!=h) {
+			cerr<<"Rotor: cannot add images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
+		}
+		else {
+			for (int i=0;i<w*h*3;i++){
+				//creates rainbow overload
+				RGBdata[i]=(unsigned char)(((int)other.RGBdata[i]+(int)RGBdata[i]));
+			}
+		}
+		return *this;
+	}
+	//scalar operations allocate a new image.
+	//maybe this could not be the case if the data is owned by this image?
+	//need to look into auto_ptr
+	Image & Image::operator*=(const float &amount) {
+		rgb*=amount;
+		return *this;
+	}
+	Image * Image::operator*(const float &amount) {
+		Image *other=new Image(w,h);
+		other->rgb=rgb*amount;
+		return other;
+	}
+	Image * Image::operator+(const float &amount) {
+		uint8_t amt=(uint8_t)(amount*255.0f);
+		Image *other=new Image(w,h);
+		other->rgb=rgb+amt;
+		return other;
+	}
+	Image * Image::operator-(const float &amount) {
+		uint8_t amt=(uint8_t)(amount*255.0f);
+		Image *other=new Image(w,h);
+		other->rgb=rgb-amt;
+		return other;
+	}
+	Image * Image::operator/(const float &amount) {
+		Image *other=new Image(w,h);
+		other->rgb=rgb/amount;
+		return other;
+	}
+}
-- 
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