Fixed ScreenshotAppState, VideoRecorderAppSate, AwtPanel and TestRenderToMemory so the frameBuffer is read with an BGRA8 format

jme3-core/src/main/java/com/jme3/app/state/ScreenshotAppState.java

@@ -44,6 +44,7 @@ import com.jme3.renderer.ViewPort;
 import com.jme3.renderer.queue.RenderQueue;
 import com.jme3.system.JmeSystem;
 import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Image;
 import com.jme3.util.BufferUtils;
 import java.io.File;
 import java.io.FileOutputStream;
@@ -229,7 +230,7 @@ public class ScreenshotAppState extends AbstractAppState implements ActionListen
             int viewHeight = (int) ((curCamera.getViewPortTop() - curCamera.getViewPortBottom()) * curCamera.getHeight());
 
             renderer.setViewPort(0, 0, width, height);
-            renderer.readFrameBuffer(out, outBuf);
+            renderer.readFrameBufferWithFormat(out, outBuf, Image.Format.BGRA8);
             renderer.setViewPort(viewX, viewY, viewWidth, viewHeight);
 
             File file;

jme3-desktop/src/main/java/com/jme3/app/state/VideoRecorderAppState.java

@@ -40,6 +40,7 @@ import com.jme3.renderer.ViewPort;
 import com.jme3.renderer.queue.RenderQueue;
 import com.jme3.system.Timer;
 import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Image;
 import com.jme3.util.BufferUtils;
 import com.jme3.util.Screenshots;
 import java.awt.image.BufferedImage;
@@ -228,7 +229,7 @@ public class VideoRecorderAppState extends AbstractAppState {
                 final WorkItem item = freeItems.take();
                 usedItems.add(item);
                 item.buffer.clear();
-                renderer.readFrameBuffer(out, item.buffer);
+                renderer.readFrameBufferWithFormat(out, item.buffer, Image.Format.BGRA8);
                 executor.submit(new Callable<Void>() {
 
                     public Void call() throws Exception {

jme3-desktop/src/main/java/com/jme3/system/awt/AwtPanel.java

@@ -155,7 +155,7 @@ public class AwtPanel extends Canvas implements SceneProcessor {
     public void repaintInThread(){
         // Convert screenshot.
         byteBuf.clear();
-        rm.getRenderer().readFrameBuffer(fb, byteBuf);
+        rm.getRenderer().readFrameBufferWithFormat(fb, byteBuf,Format.BGRA8);
         
         synchronized (lock){
             // All operations on img must be synchronized
@@ -168,7 +168,7 @@ public class AwtPanel extends Canvas implements SceneProcessor {
     public void drawFrameInThread(){
         // Convert screenshot.
         byteBuf.clear();
-        rm.getRenderer().readFrameBuffer(fb, byteBuf);
+        rm.getRenderer().readFrameBufferWithFormat(fb, byteBuf,Format.BGRA8);
         Screenshots.convertScreenShot2(intBuf, img);
         
         synchronized (lock){

jme3-examples/src/main/java/jme3test/post/TestRenderToMemory.java

@@ -48,6 +48,7 @@ import com.jme3.scene.shape.Box;
 import com.jme3.system.AppSettings;
 import com.jme3.system.JmeContext.Type;
 import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Image;
 import com.jme3.texture.Image.Format;
 import com.jme3.texture.Texture2D;
 import com.jme3.util.BufferUtils;
@@ -158,7 +159,7 @@ public class TestRenderToMemory extends SimpleApplication implements SceneProces
 
     public void updateImageContents(){
         cpuBuf.clear();
-        renderer.readFrameBuffer(offBuffer, cpuBuf);
+        renderer.readFrameBufferWithFormat(offBuffer, cpuBuf, Image.Format.BGRA8);
 
         synchronized (image) {
             Screenshots.convertScreenShot(cpuBuf, image);