frame engine with alpha channel and blending

1 files changed, 131 insertions, 20 deletions

diff --git a/liveengineUnmapped/src/layers.cpp b/liveengineUnmapped/src/layers.cpp
index 4ac0c59..36f9b14 100755
--- a/liveengineUnmapped/src/layers.cpp
+++ b/liveengineUnmapped/src/layers.cpp
@@ -63,7 +63,7 @@ void svglayer::draw(float a,unsigned char* controllers,int cx,int cy,bool transp
 	getCentre(cx,cy);

         //draw layers grouped by controllers

 	float layerspercontroller=((float)svg.getNumPath())/6.0f;

-	

+

 	for (int i=0;i<6;i++) {

 		for (int j=(int)(i*layerspercontroller);j<(int)((i+1)*layerspercontroller);j++) {

 			    svg.getPathAt(j).setFillColor(fills[i]*a*controllers[i]);

@@ -78,38 +78,149 @@ void svglayer::draw(float a,unsigned char* controllers,int cx,int cy,bool transp
 svglayer::~svglayer()

 {

     //dtor

-}

-

+}
+
+//------------------------------------------------------------------------
 imglayer::imglayer() {
-    //img.setUseTexture(false);
+    //sprite.setUseTexture(false);
 }

-imglayer::imglayer(string _f)

-{

-	load(_f);

+imglayer::imglayer(string _filename,int _frames,int _start,float _rate,int n, int e){

+	load(_filename,_frames,_start,_rate,n,e);

 }

 

-void imglayer::load(string _f){

-	bool success=img.loadImage(_f);

-	printf("%s\n",success?"loaded":"not loaded");

+void imglayer::load(string _filename,int _frames,int _start,float _rate,int n, int e){
+    startNote=n;
+    endNote=e;

+	sprite.load(_filename,_frames,_start);

+	sprite.setFrameRate(_rate);

 }

 
-/*
-WTF is going on with the image drawing
-
-
-*/

+

 void imglayer::draw(float a,int cx,int cy,float colShift) {
-    //if (img.isAllocated()) if (!img.isUsingTexture()) img.setUseTexture(true); //has to be done from the main thread? still doesn't work

-	img.draw(0,0,ofGetWidth(),ofGetHeight());
-	printf("drawing %f\n",ofGetElapsedTimef());

+    //if (sprite.isAllocated()) if (!sprite.isUsingTexture()) sprite.setUseTexture(true); //has to be done from the main thread? still doesn't work

+	sprite.update();

+	int x,y,w,h;

+	if ((((float)cx)/cy)<(((float)sprite.getWidth())/sprite.getHeight())){

+		x=0;

+		w=cx;

+		h=((float)cx)*(((float)sprite.getHeight())/sprite.getWidth());

+		y=(cy-h)/2;

+	}

+	else {

+		y=0;

+		h=cy;

+		w=((float)cy)*(((float)sprite.getWidth())/sprite.getHeight());

+		x=(cx-w)/2;

+	}

+	ofEnableAlphaBlending();
+	sprite.draw(x,y,w,h);

+	ofDisableAlphaBlending();

 }
 
 void imglayer::draw(float a,unsigned char* controllers,int cx,int cy,bool transparentBlack=false,float colShift=0.0f) {
     imglayer::draw(a,cx,cy,colShift);

-}
+}

+

+void imglayer::setNote(int note)

+{
+    //is called rerpeatedly no startNote,endNote
+    //printf("note %i (%i - %i)\n",note,startNote,endNote);

+	if ((startNote<=note)&&(endNote>=note)) {

+		if (!sprite.getIsPlaying()) {

+

+			sprite.play();

+			

+		}
+		//printf("triggered frame %i of %i\n",(int)(((((float)note-startNote)/((float)endNote-startNote)))*sprite.getTotalFrames()),sprite.getTotalFrames());

+		sprite.setCurrentFrame((int)(((((float)note-startNote)/((float)endNote-startNote)))*sprite.getTotalFrames()));

+		//printf("movie %i (%i - %i) frame: %i\n",note,startNote,endNote,(int)(((((float)note-startNote)/((float)endNote-startNote)))*mov.getTotalNumFrames()));

+	}

+	else {

+	if (sprite.getIsPlaying()) {

+		sprite.stop();

+	}

+	}

+

+};
 

 

 imglayer::~imglayer()

 {

-    //img.setUseTexture(false); //free texture

+    //sprite.setUseTexture(false); //free texture

+}
+//------------------------------------------------------------------------
+videolayer::videolayer() {
+    //sprite.setUseTexture(false);
+}

+videolayer::videolayer(string _f,int n,int e,float s)

+{
+    startNote=n;
+    endNote=e;

+	speed=s;

+	load(_f);

+}

+

+void videolayer::load(string _f){

+	name=_f;

+	mov.setPixelFormat(OF_PIXELS_BGRA);

+	mov.setUseTexture(false);

+	bool success=mov.loadMovie(_f);

+	if (success) {

+		mov.stop();

+	}

+	printf("%s %s %i bpp\n",success?"loaded":"not loaded",_f.c_str(),success?mov.getPixelsRef().getBytesPerPixel():0);

+}

+

+void videolayer::draw(float a,int cx,int cy,float colShift) {
+    if (mov.isPlaying()) {
+        mov.update();

+	//unsigned char *pix=mov.getPixels();

+	//for (int i=0;i<mov.getWidth()*mov.getHeight()*4;i+=4) pix[i+3]=(pix[i]>>2)+(pix[i+1]>>1)+(pix[i+2]>>2);

+	int x,y,w,h;

+	if ((((float)cx)/cy)<(((float)mov.getWidth())/mov.getHeight())){

+		x=0;

+		w=cx;

+		h=((float)cx)*(((float)mov.getHeight())/mov.getWidth());

+		y=(cy-h)/2;

+	}

+	else {

+		y=0;

+		h=cy;

+		w=((float)cy)*(((float)mov.getWidth())/mov.getHeight());

+		x=(cx-w)/2;

+	}

+	ofEnableAlphaBlending();

+	mov.draw(x,y,w,h);

+	ofDisableAlphaBlending();
+    }

+}
+
+void videolayer::draw(float a,unsigned char* controllers,int cx,int cy,bool transparentBlack=false,float colShift=0.0f) {
+    draw(a,cx,cy,colShift);

+}
+
+void videolayer::setNote(int note)
+{

+
+	if ((startNote<=note)&&(endNote>=note)) {
+		if (!mov.isPlaying()) {

+			//printf("starting movie!\n");

+			mov.setUseTexture(true);

+			mov.play();

+			mov.setSpeed(speed);

+		}
+		mov.setFrame((int)(((((float)note-startNote)/((float)endNote-startNote)))*mov.getTotalNumFrames()));

+		//printf("movie %i (%i - %i) frame: %i\n",note,startNote,endNote,(int)(((((float)note-startNote)/((float)endNote-startNote)))*mov.getTotalNumFrames()));
+	}
+	else {
+	if (mov.isPlaying()) {
+		mov.stop();
+	}
+	}
+
+};
+

+

+videolayer::~videolayer()

+{

 }