Merge pull request #94 from ChillingVan/dev

v1.5.2 add rotate sample code

Author: ChillingVan

canvasglsample/src/main/java/com/chillingvan/canvasglsample/textureView/CameraPreviewTextureView.java

@@ -39,6 +39,7 @@
 public class CameraPreviewTextureView extends GLSurfaceTextureProducerView {
 
     private TextureFilter textureFilter = new BasicTextureFilter();
+    private int mRotation = 0;
 
     public CameraPreviewTextureView(Context context) {
         super(context);
@@ -64,9 +65,19 @@ public void setTextureFilter(TextureFilter textureFilter) {
     @Override
     protected void onGLDraw(ICanvasGL canvas, GLTexture producedGLTexture, @Nullable GLTexture outsideGLTexture) {
         super.onGLDraw(canvas, producedGLTexture, outsideGLTexture);
+        canvas.save();
         RawTexture producedRawTexture = producedGLTexture.getRawTexture();
         SurfaceTexture producedSurfaceTexture = producedGLTexture.getSurfaceTexture();
+        // note the rotate center point.
+        canvas.rotate(mRotation, getWidth() / 2f, getHeight() / 2f);
         canvas.drawSurfaceTexture(producedRawTexture, producedSurfaceTexture, 0, 0, producedRawTexture.getWidth(), producedRawTexture.getHeight(), textureFilter);
+        canvas.restore();
     }
-}
 
+    public void rotateSurface(int rotation) {
+        mRotation += rotation;
+        if (mRotation >= 360) {
+            mRotation = 0;
+        }
+    }
+}

canvasglsample/src/main/java/com/chillingvan/canvasglsample/textureView/TextureCameraActivity.java

@@ -142,6 +142,7 @@ private void openCamera() {
         }
 
         Camera.Parameters parms = mCamera.getParameters();
+        mCamera.setDisplayOrientation(270);
 
         CameraUtils.choosePreviewSize(parms, 1280, 720);
     }
@@ -189,4 +190,12 @@ public void onClickChangeLayoutSize(View view) {
             previewConsumerTextureView.setLayoutParams(consumerLayoutParams);
         }
     }
+
+    public void onClickRotateTextureView(View view) {
+        cameraTextureView.setRotation(cameraTextureView.getRotation() + 90);
+    }
+
+    public void onClickRotateSurface(View view) {
+        cameraTextureView.rotateSurface(90);
+    }
 }

canvasglsample/src/main/res/layout/activity_texture_canvas.xml

@@ -84,6 +84,21 @@
             android:onClick="onClickChangeLayoutSize"
             />
 
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="40dp"
+            android:layout_margin="5dp"
+            android:text="Rotate TextureView"
+            android:onClick="onClickRotateTextureView"
+            />
+
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="40dp"
+            android:layout_margin="5dp"
+            android:text="Rotate Surface"
+            android:onClick="onClickRotateSurface"
+            />
 
     </LinearLayout>