From 3d5588a7ead64f3b11ef132f21469b9471819850 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Wed, 21 Mar 2012 20:48:21 +0000
Subject: misc

---
 src/testApp.cpp | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

(limited to 'src/testApp.cpp')

diff --git a/src/testApp.cpp b/src/testApp.cpp
index 0e6e0d5..81b77e2 100644
--- a/src/testApp.cpp
+++ b/src/testApp.cpp
@@ -41,11 +41,41 @@ void testApp::setup(){
 
    light=true;
 
+    camWidth 		= 320;	// try to grab at this size.
+	camHeight 		= 240;
+
+	vidGrabber.setVerbose(true);
+	vidGrabber.listDevices();
+
+
+	vidGrabber.setDeviceID(0);
+	vidGrabber.initGrabber(camWidth,camHeight);
+	//printf("asked for 320 by 240 - actual size is %i by %i\n", vidGrabber.width, vidGrabber.height);
+
+	videoInverted 	= new unsigned char[camWidth*camHeight*3];
+	videoTexture.allocate(camWidth,camHeight, GL_RGB);
+
 }
 
 //--------------------------------------------------------------
 void testApp::update(){
     texture.idleMovie();
+
+    if (mode==GRAB) {
+        vidGrabber.grabFrame();
+
+        if (vidGrabber.isFrameNew()){
+            int totalPixels = camWidth*camHeight*3;
+            unsigned char * pixels = vidGrabber.getPixels();
+            for (int i = 0; i < totalPixels; i+=3){
+                unsigned int bright= (pixels[i]>>2)+ (pixels[i+1]>>1)+(pixels[i+1]>>2);  //(0.2126*R) + (0.7152*G) + (0.0722*B)
+                videoInverted[i] = (unsigned char)((226*bright)>>8);
+                videoInverted[i+1] = (unsigned char)((200*bright)>>8);
+                videoInverted[i+2] = (unsigned char)((20*bright)>>8);
+            }
+            videoTexture.loadData(videoInverted, camWidth,camHeight, GL_RGB);
+        }
+    }
 }
 
 //--------------------------------------------------------------
@@ -74,6 +104,14 @@ void testApp::draw(){
                     model.draw();
                 ofPopMatrix();
                 unbindTexture(texture);
+                break;
+            case GRAB:
+                bindTex(videoTexture);
+                ofPushMatrix();
+                    ofRotate(90,0,1,0);
+                    model.draw();
+                ofPopMatrix();
+                unbindTex(videoTexture);
                 break;
 			case NOTHING:
                 bindTexture(texture);
@@ -103,7 +141,7 @@ void testApp::keyPressed(int key){
             mode=DISPLAY;
             break;
        case '0':
-            mode=NOTHING;
+            mode=GRAB;
             break;
 		case '1':
             activeView=-1;
-- 
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