From d9d478a55088f8d5c6355d8c17859f931bb3dd8d Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Fri, 2 May 2014 18:31:35 +0200
Subject: [PATCH] Added default texture automatic generation

---
 example/src/ofApp.cpp  |  2 +-
 src/ofxBaseSurface.cpp | 33 +++++++++++++++++++++++++++++++++
 src/ofxBaseSurface.h   |  3 +++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/example/src/ofApp.cpp b/example/src/ofApp.cpp
index 3fb042d..db054b4 100644
--- a/example/src/ofApp.cpp
+++ b/example/src/ofApp.cpp
@@ -6,7 +6,7 @@ void ofApp::setup()
     image.loadImage("TestPatternInvert.jpg");
     
     // Create a triangle surface
-    triangleSurface.setup( ofVec2f(30,40), ofVec2f(500,500), ofVec2f(0,600), ofVec2f(0,0), ofVec2f(1,1), ofVec2f(0,1), &image.getTextureReference() );
+    //triangleSurface.setup( ofVec2f(30,40), ofVec2f(500,500), ofVec2f(0,600), ofVec2f(0,0), ofVec2f(1,1), ofVec2f(0,1), &image.getTextureReference() );
 }
 
 void ofApp::update()
diff --git a/src/ofxBaseSurface.cpp b/src/ofxBaseSurface.cpp
index be62503..e97938a 100644
--- a/src/ofxBaseSurface.cpp
+++ b/src/ofxBaseSurface.cpp
@@ -3,4 +3,37 @@
 ofxBaseSurface::ofxBaseSurface()
 {
     ofEnableNormalizedTexCoords();
+    createDefaultTexture();
+}
+
+void ofxBaseSurface::createDefaultTexture()
+{
+    ofPixels pixels;
+    pixels.allocate(500, 500, 1);
+    for ( int i=0; i<pixels.size(); i++ ) {
+        pixels[i] = 255;
+    }
+    int squareSize = 10; // size of each test pattern square
+    bool sy = false;
+    for ( int y=0; y<pixels.getWidth(); y+=squareSize ) {
+        bool sx = false;
+        for ( int x=0; x<pixels.getHeight(); x+=squareSize ) {
+            for ( int yi=0; yi<squareSize; yi++ ) {
+                for ( int xi=0; xi<squareSize; xi++ ){
+                    if ( sx && sy ) pixels[(y+yi)*pixels.getWidth()+x+xi] = 255;
+                    else if ( sx && !sy ) pixels[(y+yi)*pixels.getWidth()+x+xi] = 0;
+                    else if ( !sx && sy ) pixels[(y+yi)*pixels.getWidth()+x+xi] = 0;
+                    else pixels[(y+yi)*pixels.getWidth()+x+xi] = 255;
+                }
+            }
+            sx = !sx;
+        }
+        sy = !sy;
+    }
+    
+    // load pixels into texture
+    defaultTexture.loadData(pixels);
+    
+    // Assign default texture to texture pointer
+    texture = &defaultTexture;
 }
\ No newline at end of file
diff --git a/src/ofxBaseSurface.h b/src/ofxBaseSurface.h
index f54517a..c57816e 100644
--- a/src/ofxBaseSurface.h
+++ b/src/ofxBaseSurface.h
@@ -13,6 +13,9 @@ public:
 protected:
     ofMesh mesh;
     ofTexture* texture;
+    ofTexture defaultTexture;
+    
+    void createDefaultTexture();
 };
 
 #endif
\ No newline at end of file