Library for 3.2'' uLcd Picaso Display4D system Picaso Serial Environment Command Set web: http://www.4dsystems.com.au/product/20/67/Processors_Graphics/PICASO/

Revision:
1:a74e42cf52b2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Circle.cpp	Sun Apr 05 13:54:48 2015 +0000
@@ -0,0 +1,154 @@
+#include "Circle.h"
+
+Circle::Circle(Screen* mScreen,UINT16 _xc,UINT16 _yc,UINT16 _radius,Color _color):
+    Sprite(mScreen,0,_xc-_radius,_yc-_radius,_radius+_radius,_radius+_radius,_color)
+{
+    myRadius=_radius;
+    myCenterX=_xc;
+    myCenterY=_yc;
+    myType=OBJ_CIRCLE;
+
+    myScreen->addWidget((Widget*) this);
+
+}
+//-----------------------------------------
+Circle::~Circle(void)
+{
+}
+//------------------------------------------
+void Circle::draw(void)
+{
+// isVisible ?
+    if(myIsVisible==false) {
+        return;
+    }
+    //
+    PicasoSerial* ps=0;
+    ps=myScreen->getPicasoSerial();
+
+    if(ps!=0) {
+        ps->draw_filled_circle(myCenterX,myCenterY,myRadius,myColor);
+    }
+    ps=0;
+}
+//------------------------------------------
+void Circle::setCenterX(UINT16 _xcenter)
+{
+    this->myCenterX=_xcenter;
+}
+//------------------------------------------
+void Circle::setCenterY(UINT16 _ycenter)
+{
+    this->myCenterY=_ycenter;
+}
+//------------------------------------------
+UINT16 Circle::getCenterX(void) const
+{
+    return this->myCenterX;
+}
+//-------------------------------------------
+UINT16 Circle::getCenterY(void) const
+{
+    return this->myCenterY;
+}
+//--------------------------------------------
+void Circle::setInvisible(bool _state)
+{
+    // element devient invisible
+    if(_state==true) {
+        if(myIsVisible==false)
+            return;
+
+        myIsVisible=false;
+
+        Color c= myScreen->getColorBkg();
+
+        PicasoSerial* ps=0;
+        ps=myScreen->getPicasoSerial();
+
+        if(ps!=0) {
+            ps->draw_filled_circle(myCenterX,myCenterY,myRadius,c);
+        }
+        ps=0;
+    }
+
+    // element devient visible
+    else {
+        myIsVisible=true;
+
+
+        this->draw();
+    }
+}
+//----------------------------------------------
+void Circle::setNewPosition(INT16 _xcnew,INT16 _ycnew)
+{
+    setNewPosition(_xcnew,_ycnew,true);
+}
+//---------------------------------------------
+void Circle::setNewPosition(INT16 _xcnew,INT16 _ycnew,bool isScreenLimits)
+{
+    if(myIsVisible==false)
+        return;
+    //
+    if(myCenterX==_xcnew && myCenterY==_ycnew)
+        return;
+    //
+    this->setInvisible(true); // colorie le cir avec couleur de la screen
+
+    myIsVisible=true;
+
+    if(isScreenLimits) {
+
+        //test Xmax
+        if(_xcnew+myRadius >= myXMoveMax) {
+            _xcnew=myXMoveMax-myRadius;
+
+            if(myState==STATE_ON)
+                myState=BUMP_RIGHT;
+        }
+
+        //test Xmin
+        if(_xcnew <= myRadius) {
+            _xcnew=myXMoveMin+myRadius;
+
+            if(myState==STATE_ON)
+                myState=BUMP_LEFT;
+        }
+        //test Ymax
+        if(_ycnew +myRadius >= myYMoveMax && _ycnew >0) {
+            _ycnew = myYMoveMax- myRadius;
+
+            if(myState==STATE_ON)
+                myState=BUMP_DOWN;
+        }
+        //test yminMin;
+        if(_ycnew <= myRadius) {
+            _ycnew=myYMoveMin+myRadius;
+
+            if(myState==STATE_ON)
+                myState=BUMP_UP;
+        }
+    }
+    //
+    myCenterX=_xcnew;
+    myCenterY=_ycnew;
+
+    myX=_xcnew-myRadius;
+    myY=_ycnew-myRadius;
+
+
+    this->draw();
+}
+//----------------------------------------------
+void Circle::update(float delta)
+{
+    if(myIsUpdateAutomatic)
+        elementUpdate();
+
+    float xcnew=myCenterX+mySpeedX*delta;
+    float ycnew=myCenterY+mySpeedY*delta;
+
+    this->setNewPosition((INT16)xcnew,(INT16)ycnew,true);
+
+}
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