thank fuk

1 files changed, 179 insertions, 0 deletions

diff --git a/basedProject/src/audioGlitcher.h b/basedProject/src/audioGlitcher.h
new file mode 100644
index 0000000..8f48288
--- /dev/null
+++ b/basedProject/src/audioGlitcher.h
@@ -0,0 +1,179 @@
+#pragma once
+
+#include "ofMain.h"
+#include "ofxOpenCv.h"
+
+class audioGlitcher {
+	public:
+
+		ofxCvColorImage buffer;
+		ofFbo renderFBO;
+		IplImage tmp;
+		vector<float> *samples;
+		int interp_x,interp_y;
+		float trans_x,trans_y;
+		float scale;
+		float rotation;
+		float origin_x,origin_y;
+
+		void setup(int w,int h,vector<float> *s){
+			buffer.allocate(w,h);
+			renderFBO.allocate(w,h,GL_RGB);
+			samples=s;
+			origin_x=origin_y=0.5f;
+			trans_x=trans_y=0.0f;
+			scale=1.0f;
+			rotation=0.0f;
+			interp_x=16;
+			interp_y=12;
+		}
+		void set_interp(int ix,int iy){
+			interp_x=ix;
+			interp_y=iy;
+		}
+		void set_trans(float x,float y){
+			trans_x=x;
+			trans_y=y;
+		}
+		void set_scale(float s){
+			scale=s;
+		}
+		void set_origin(float x,float y){
+			origin_x=x;
+			origin_y=y;
+		}
+		void draw(int x,int y){
+			renderFBO.draw(x,y);
+		}
+		void update(){
+
+		    renderFBO.readToPixels(buffer.getPixelsRef());
+		    buffer.flagImageChanged();
+
+		    //create low res remap target
+
+		    cv::Mat dstX(interp_x,interp_y,CV_32FC1);
+		    cv::Mat dstY(interp_x,interp_y,CV_32FC1);
+		    cv::Mat srcX(interp_x,interp_y,CV_32FC1);
+		    cv::Mat srcY(interp_x,interp_y,CV_32FC1);
+
+		    float xFactor=renderFBO.getWidth()/srcX.cols;
+		    float yFactor=renderFBO.getHeight()/srcX.rows;
+		    for (int i=0;i<srcX.cols;i++){
+		    	for (int j=0;j<srcX.rows;j++){
+		    		srcX.at<float>(j,i)=i*xFactor;
+		    		srcY.at<float>(j,i)=j*yFactor;
+		    	}
+		    }
+
+		    //transform the low res matrix
+		    float tX=trans_x-.05; //fraction of image
+		    float tY=trans_y-.04; //fraction of image
+		    float oX=origin_x; //fraction of image
+		    float oY=origin_y; //fraction of image
+		    float s=scale;
+		    float r=rotation;
+
+		    cv::Point2f srcTri[3], dstTri[3];
+			
+			// Compute matrix by creating triangle and transforming
+			srcTri[0].x=0;
+			srcTri[0].y=0;
+			srcTri[1].x=dstX.rows-1;
+			srcTri[1].y=0;
+			srcTri[2].x=0;
+			srcTri[2].y=dstX.cols-1;
+
+			for (int i=0;i<3;i++){
+
+				dstTri[i].x=srcTri[i].x+(tX*dstX.cols);
+				dstTri[i].y=srcTri[i].y+(tY*dstX.cols); //use cols for equiv coords
+				//rotate and scale around centre
+				//transform to centre
+				dstTri[i].x-=(oX*dstX.cols);
+				dstTri[i].y-=(oY*dstX.cols);
+
+				dstTri[i].x*=s;
+				dstTri[i].y*=s;
+
+				double dx=(dstTri[i].x*cos(r))-(dstTri[i].y*sin(r));
+				double dy=(dstTri[i].x*sin(r))+(dstTri[i].y*cos(r));
+
+				dstTri[i].x=dx;
+				dstTri[i].y=dy;
+
+				//transform back
+				dstTri[i].x+=(oX*dstX.cols);
+				dstTri[i].y+=(oY*dstX.cols);
+			}
+
+			cv::Mat trans_mat=getAffineTransform(srcTri,dstTri);
+			warpAffine(srcX,dstX,trans_mat, srcX.size(), cv::INTER_LINEAR, cv::BORDER_WRAP);
+			warpAffine(srcY,dstY,trans_mat, srcY.size(), cv::INTER_LINEAR, cv::BORDER_WRAP);
+
+			cv::Mat scaledstX;
+			cv::Mat scaledstY;
+
+			cv::resize(dstX,scaledstX, cv::Size(renderFBO.getWidth(),renderFBO.getHeight()), 0, 0, cv::INTER_LINEAR);
+			cv::resize(dstY,scaledstY, cv::Size(renderFBO.getWidth(),renderFBO.getHeight()), 0, 0, cv::INTER_LINEAR);
+
+			cv::Mat buf = buffer.getCvImage();
+		    cv::Mat dstbuf;
+
+			cv::remap(buf,dstbuf,scaledstX,scaledstY, cv::INTER_NEAREST, cv::BORDER_WRAP); //, cv::Scalar(0,0, 0) );
+			tmp = IplImage(dstbuf);
+
+			//buffer=tmp;
+			//buffer.remap(scaledstX,scaledstY);
+			buffer=&tmp;
+
+			renderFBO.begin();
+
+			//
+			ofSetColor(255,255,255);
+
+			buffer-=1;
+			buffer.draw(0,0);
+			//
+
+			//ofEnableAlphaBlending();
+			//ofSetColor(0,0,0,128);
+			//ofRect(0,0,ofGetWidth(),ofGetHeight());
+			//ofDisableAlphaBlending();
+
+			if (false){
+				ofNoFill();
+				ofPushMatrix();
+				ofTranslate(renderFBO.getWidth()/2,renderFBO.getHeight()/2);   
+			    ofRect(-20,-20,40,40);
+			    ofPopMatrix();
+			}
+
+		    if (true) {
+			    ofPushMatrix();
+			    ofTranslate(0,renderFBO.getHeight()/2);
+
+
+			    ofSetColor(0,0,0);
+			    ofFill();
+			    ofBeginShape();
+			    for (int i=0;i<samples->size();i++){
+			    	ofVertex(i,(*samples)[i]*renderFBO.getHeight());
+			    }
+			    ofEndShape();
+
+			    ofSetColor(255,255,255);
+			    ofNoFill();
+			    ofBeginShape();
+			    for (int i=0;i<samples->size();i++){
+			    	ofVertex(i,(*samples)[i]*renderFBO.getHeight());
+			    }
+			    ofEndShape();
+
+			    ofPopMatrix();
+		    }
+
+		    renderFBO.end();
+		    //renderFBO.flagImageChanged();
+		}
+};
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