From 21533b6b90e724a72891418b607862a61dd31b1d Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Tue, 8 Nov 2016 17:51:23 +0100
Subject: [PATCH] Add tex coord polling in case texture not loaded yet

---
 src/Gui/Widgets/TextureEditorWidget.cpp | 14 ++++++++++++++
 src/Gui/Widgets/TextureEditorWidget.h   |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/src/Gui/Widgets/TextureEditorWidget.cpp b/src/Gui/Widgets/TextureEditorWidget.cpp
index 2f0a3c0..6ce0a88 100644
--- a/src/Gui/Widgets/TextureEditorWidget.cpp
+++ b/src/Gui/Widgets/TextureEditorWidget.cpp
@@ -4,6 +4,8 @@ namespace ofx {
 namespace piMapper {
 
 TextureEditorWidget::TextureEditorWidget(){
+	_pollCreateJoints = false;
+	
 	clear();
 }
 
@@ -15,6 +17,10 @@ void TextureEditorWidget::update(){
 	if(surface == 0){
 		return;
 	}
+	
+	if(_pollCreateJoints){
+		createJoints();
+	}
 
 	// update surface if one of the joints is being dragged
 	ofVec2f textureSize = ofVec2f(surface->getSource()->getTexture()->getWidth(),
@@ -127,6 +133,14 @@ void TextureEditorWidget::createJoints(){
 	}
 	clearJoints();
 	vector <ofVec2f> & texCoords = surface->getTexCoords();
+	
+	if(surface->getSource()->getTexture()->isAllocated()){
+		_pollCreateJoints = false;
+	}else{
+		_pollCreateJoints = true;
+		return;
+	}
+	
 	ofVec2f textureSize = ofVec2f(surface->getSource()->getTexture()->getWidth(),
 								  surface->getSource()->getTexture()->getHeight());
 	
diff --git a/src/Gui/Widgets/TextureEditorWidget.h b/src/Gui/Widgets/TextureEditorWidget.h
index 2495ad6..ded19a8 100644
--- a/src/Gui/Widgets/TextureEditorWidget.h
+++ b/src/Gui/Widgets/TextureEditorWidget.h
@@ -50,7 +50,9 @@ class TextureEditorWidget : public GuiBaseWidget {
 	private:
 		BaseSurface * surface;
 		vector <CircleJoint *> joints;
+	
 		bool bShiftKeyDown;
+		bool _pollCreateJoints;
 
 };