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adding VIEW_MODE_PIXELIZE to the 'image manipulations' sample

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This commit is contained in:
Andrey Pavlenko 2012-04-26 15:56:01 +00:00
parent f87c2e49db
commit fc44b3175e
2 changed files with 20 additions and 1 deletions
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7
samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java
View File

@ -16,6 +16,7 @@ public class ImageManipulationsActivity extends Activity {
public static final int VIEW_MODE_SOBEL = 3; public static final int VIEW_MODE_SOBEL = 3;
public static final int VIEW_MODE_BLUR = 4; public static final int VIEW_MODE_BLUR = 4;
public static final int VIEW_MODE_ZOOM = 5; public static final int VIEW_MODE_ZOOM = 5;
public static final int VIEW_MODE_PIXELIZE = 6;
private MenuItem mItemPreviewRGBA; private MenuItem mItemPreviewRGBA;
private MenuItem mItemPreviewCanny; private MenuItem mItemPreviewCanny;
@ -23,8 +24,9 @@ public class ImageManipulationsActivity extends Activity {
private MenuItem mItemPreviewSobel; private MenuItem mItemPreviewSobel;
private MenuItem mItemPreviewBlur; private MenuItem mItemPreviewBlur;
private MenuItem mItemPreviewZoom; private MenuItem mItemPreviewZoom;
private MenuItem mItemPreviewPixelize;
public static int viewMode = VIEW_MODE_RGBA; public static int viewMode = VIEW_MODE_RGBA;
public ImageManipulationsActivity() { public ImageManipulationsActivity() {
Log.i(TAG, "Instantiated new " + this.getClass()); Log.i(TAG, "Instantiated new " + this.getClass());
@ -48,6 +50,7 @@ public class ImageManipulationsActivity extends Activity {
mItemPreviewSobel = menu.add("Sobel"); mItemPreviewSobel = menu.add("Sobel");
mItemPreviewBlur = menu.add("Blur"); mItemPreviewBlur = menu.add("Blur");
mItemPreviewZoom = menu.add("Zoom"); mItemPreviewZoom = menu.add("Zoom");
mItemPreviewPixelize = menu.add("Pixelize");
return true; return true;
} }
@ -66,6 +69,8 @@ public class ImageManipulationsActivity extends Activity {
viewMode = VIEW_MODE_BLUR; viewMode = VIEW_MODE_BLUR;
else if (item == mItemPreviewZoom) else if (item == mItemPreviewZoom)
viewMode = VIEW_MODE_ZOOM; viewMode = VIEW_MODE_ZOOM;
else if (item == mItemPreviewPixelize)
viewMode = VIEW_MODE_PIXELIZE;
return true; return true;
} }
} }

14
samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsView.java
View File

@ -17,6 +17,9 @@ import android.util.Log;
import android.view.SurfaceHolder; import android.view.SurfaceHolder;
class ImageManipulationsView extends SampleCvViewBase { class ImageManipulationsView extends SampleCvViewBase {
private Size mSize0;
private Size mSizeRgbaInner;
private Mat mRgba; private Mat mRgba;
private Mat mGray; private Mat mGray;
private Mat mIntermediateMat; private Mat mIntermediateMat;
@ -48,6 +51,7 @@ class ImageManipulationsView extends SampleCvViewBase {
mGray = new Mat(); mGray = new Mat();
mRgba = new Mat(); mRgba = new Mat();
mIntermediateMat = new Mat(); mIntermediateMat = new Mat();
mSize0 = new Size();
} }
} }
@ -66,6 +70,7 @@ class ImageManipulationsView extends SampleCvViewBase {
if (mRgbaInnerWindow == null) if (mRgbaInnerWindow == null)
mRgbaInnerWindow = mRgba.submat(top, top + height, left, left + width); mRgbaInnerWindow = mRgba.submat(top, top + height, left, left + width);
mSizeRgbaInner = mRgbaInnerWindow.size();
if (mGrayInnerWindow == null && !mGray.empty()) if (mGrayInnerWindow == null && !mGray.empty())
mGrayInnerWindow = mGray.submat(top, top + height, left, left + width); mGrayInnerWindow = mGray.submat(top, top + height, left, left + width);
@ -132,6 +137,15 @@ class ImageManipulationsView extends SampleCvViewBase {
Size wsize = mZoomWindow.size(); Size wsize = mZoomWindow.size();
Core.rectangle(mZoomWindow, new Point(1, 1), new Point(wsize.width - 2, wsize.height - 2), new Scalar(255, 0, 0, 255), 2); Core.rectangle(mZoomWindow, new Point(1, 1), new Point(wsize.width - 2, wsize.height - 2), new Scalar(255, 0, 0, 255), 2);
break; break;
case ImageManipulationsActivity.VIEW_MODE_PIXELIZE:
capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
if (mRgbaInnerWindow == null)
CreateAuxiliaryMats();
Imgproc.resize(mRgbaInnerWindow, mIntermediateMat, mSize0, 0.1, 0.1, Imgproc.INTER_NEAREST);
Imgproc.resize(mIntermediateMat, mRgbaInnerWindow, mSizeRgbaInner, 0., 0., Imgproc.INTER_NEAREST);
break;
} }
Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888); Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888);