node factory initialiser bug repemedied

1 files changed, 8 insertions, 8 deletions

diff --git a/rotord/rotor.h b/rotord/rotor.h
index 7409f19..63ac886 100755
--- a/rotord/rotor.h
+++ b/rotord/rotor.h
@@ -546,12 +546,12 @@ namespace Rotor {
 	};
 	class Testcard: public Image_node {
 		public:
-			Testcard(){};
+			Testcard(){image=nullptr;};
 			Testcard(map<string,string> &settings) {
 				base_settings(settings);
 				image=new Image();
 			};
-			~Testcard(){ delete image;};
+			~Testcard(){ if (image) delete image;};
 			Testcard* clone(map<string,string> &_settings) { return new Testcard(_settings);};
 			Image *output(const Frame_spec &frame){
 				if (image->setup(frame.w,frame.h)) {
@@ -576,12 +576,12 @@ namespace Rotor {
 	};
 	class Invert: public Image_node {
 		public:
-			Invert(){};
+			Invert(){image=nullptr;};
 			Invert(map<string,string> &settings) {
 				base_settings(settings);
 				image=new Image();
 			};
-			~Invert(){ delete image;};
+			~Invert(){ if (image) delete image;};
 			Invert* clone(map<string,string> &_settings) { return new Invert(_settings);};
 			Image *output(const Frame_spec &frame){
 				if (image_inputs.size()) {
@@ -746,7 +746,7 @@ namespace Rotor {
 	class Image_arithmetic: public Image_node {
 		//Draws signal bars in greyscale
 		public:
-			Image_arithmetic(){};
+			Image_arithmetic(){image=nullptr;};
 			Image_arithmetic(map<string,string> &settings) {
 				base_settings(settings);
 				value=find_setting(settings,"value",0.0f);
@@ -886,7 +886,7 @@ namespace Rotor {
 
 		//or is it actually best to use alpha keying after all!
 		public:
-			Echo_trails(){};
+			Echo_trails(){image=nullptr;};
 			Echo_trails(map<string,string> &settings) {
 				base_settings(settings);
 				//duration=find_setting(settings,"duration",1.0f);
@@ -1004,7 +1004,7 @@ namespace Rotor {
 	#define BLEND_blend 3
 	class Blend: public Image_node {
 		public:
-			Blend(){};
+			Blend(){image=nullptr;};
 			Blend(map<string,string> &settings) {
 				base_settings(settings);
 				image=nullptr;
@@ -1063,7 +1063,7 @@ namespace Rotor {
 	#define MIRROR_vertR 4
 	class Mirror: public Image_node {
 		public:
-			Mirror(){};
+			Mirror(){image=nullptr;};
 			Mirror(map<string,string> &settings) {
 				base_settings(settings);
 				image=nullptr;