package anywheresoftware.b4a.objects;
import java.util.Iterator;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.view.MotionEvent;
import android.view.SurfaceView;
import android.view.View;
import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.BALayout;
import anywheresoftware.b4a.BA.ActivityObject;
import anywheresoftware.b4a.BA.DontInheritEvents;
import anywheresoftware.b4a.BA.Events;
import anywheresoftware.b4a.BA.Hide;
import anywheresoftware.b4a.BA.ShortName;
import anywheresoftware.b4a.BA.Version;
import anywheresoftware.b4a.keywords.Common;
import anywheresoftware.b4a.keywords.constants.Colors;
import anywheresoftware.b4a.objects.collections.List;
import anywheresoftware.b4a.objects.drawable.CanvasWrapper;
import anywheresoftware.b4a.objects.drawable.CanvasWrapper.BitmapWrapper;
import anywheresoftware.b4a.objects.drawable.CanvasWrapper.RectWrapper;
/**
* A view that draws itself with hardware accelerated graphics. Suitable for 2d games.
*See this <link>tutorial|http://www.basic4ppc.com/forum/basic4android-getting-started-tutorials/20038-gameview-create-2d-android-games-part-i.html</link>.
*The hardware acceleration method used is only available in Android 3.0 and above (API level 11 and above).
*/
@ActivityObject
@Version(0.9f)
@ShortName("GameView")
@DontInheritEvents
@Events(values={"Touch (Action As Int, X As Float, Y As Float)"})
public class GameViewWrapper extends ViewWrapper<GameViewWrapper.MyPanel>{
@Override
@Hide
public void innerInitialize(final BA ba, final String eventName, boolean keepOldObject) {
if (!keepOldObject)
setObject(new MyPanel(ba.context));
super.innerInitialize(ba, eventName, true);
if (ba.subExists(eventName + "_touch")) {
getObject().setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
ba.raiseEventFromUI(getObject(), eventName + "_touch", event.getAction(), event.getX(),
event.getY());
return true;
}
});
}
}
/**
* Tests whether hardware acceleration is supported.
*/
public boolean getIsHardwareAccelerated() {
return getObject().isHardwareAccelerated();
}
/**
* Returns the list of BitmapData objects.
*/
public List getBitmapsData() {
return getObject().sprites;
}
@ShortName("BitmapData")
public static class BitmapData {
/**
* The bitmap that will be drawn.
*/
public BitmapWrapper Bitmap = new BitmapWrapper();
/**
* The source rectangle. Determines the bitmap's region that will be drawn. The complete bitmap will
*be drawn if the rectangle is uninitialized.
*/
public RectWrapper SrcRect = new RectWrapper();
/**
* The target rectangle. Determines the location and size of the drawn bitmap.
*/
public RectWrapper DestRect = new RectWrapper();
/**
* Number of degrees to rotate the bitmap.
*/
public int Rotate = 0;
/**
* Flips the bitmap based on one of the FLIP constants.
*/
public int Flip = 0;
public static final int FLIP_NONE = 0, FLIP_VERTICALLY = 1, FLIP_HORIZONTALLY = 2, FLIP_BOTH = 3;
/**
* If Delete is True then the BitmapData will be removed from the list when GameView is redrawn.
*/
public boolean Delete = false;
@Hide
@Override
public String toString() {
return "Src: " + String.valueOf(SrcRect) + ", Dest: " + String.valueOf(DestRect) + ", Bitmap: " +
String.valueOf(Bitmap) + ", Delete: " + String.valueOf(Delete);
}
}
@Hide
public static class MyPanel extends View {
public List sprites = new List();
public MyPanel(Context context) {
super(context);
sprites.Initialize();
}
@Override
protected void onDraw(Canvas c) {
Iterator<Object> it = sprites.getObject().iterator();
while (it.hasNext()) {
Object o = it.next();
BitmapData br = (BitmapData)o;
if (br.Delete) {
it.remove();
}
else {
Rect destRect = br.DestRect.getObject();
if (br.Rotate != 0 || br.Flip != 0) {
c.save();
if (br.Rotate != 0)
c.rotate(br.Rotate, destRect.centerX(), destRect.centerY());
if (br.Flip != 0) {
c.scale((br.Flip & BitmapData.FLIP_HORIZONTALLY) == BitmapData.FLIP_HORIZONTALLY ? -1 : 1,
(br.Flip & BitmapData.FLIP_VERTICALLY) == BitmapData.FLIP_VERTICALLY ? -1 : 1,
destRect.centerX(), destRect.centerY());
}
c.drawBitmap(br.Bitmap.getObject(), br.SrcRect.getObjectOrNull(), destRect, null);
c.restore();
}
else {
c.drawBitmap(br.Bitmap.getObject(), br.SrcRect.getObjectOrNull(), destRect, null);
}
}
}
}
}
}
