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ColorBlobDetection Sample, ImageManpulations Sample and Tutorial2 updated. Issues with native camera on Nexus 7 (Android 4.1) fixed.

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This commit is contained in:
Alexander Smorkalov
2012-08-14 16:59:36 +04:00
parent a091f9e4e2
commit a1d8091e10
6 changed files with 17 additions and 15 deletions
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2
samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2View.java
View File

@@ -44,7 +44,7 @@ class Sample2View extends SampleCvViewBase {
break;
case Sample2NativeCamera.VIEW_MODE_RGBA:
capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
Core.putText(mRgba, "OpenCV + Android", new Point(10, 100), 3, 2, new Scalar(255, 0, 0, 255), 3);
Core.putText(mRgba, "OpenCV+Android", new Point(10, 50), 3, 1, new Scalar(255, 0, 0, 255), 2);
break;
case Sample2NativeCamera.VIEW_MODE_CANNY:
capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);

3
samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/SampleCvViewBase.java
View File

@@ -115,7 +115,8 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
if (bmp != null) {
Canvas canvas = mHolder.lockCanvas();
if (canvas != null) {
canvas.drawBitmap(bmp, (canvas.getWidth() - bmp.getWidth()) / 2, (canvas.getHeight() - bmp.getHeight()) / 2, null);
canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR);
canvas.drawBitmap(bmp, (canvas.getWidth()-bmp.getWidth()) / 2, (canvas.getHeight()-bmp.getHeight()) / 2, null);
mHolder.unlockCanvasAndPost(canvas);
}
bmp.recycle();