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Merge "Accounting for image scaling when calculating color extraction" into sc-v2-dev

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This commit is contained in:
Sunny Goyal
2021-07-21 16:53:51 +00:00
committed by Android (Google) Code Review
parent cc8ebcaf9d 00471fb4c9
commit f7f941743d
1 changed files with 51 additions and 33 deletions
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84
packages/SystemUI/src/com/android/systemui/ImageWallpaper.java
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@@ -20,6 +20,8 @@ import android.app.WallpaperColors;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.graphics.RectF;
import android.hardware.display.DisplayManager;
import android.hardware.display.DisplayManager.DisplayListener;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.SystemClock;
@@ -29,7 +31,6 @@ import android.util.ArraySet;
import android.util.Log;
import android.util.MathUtils;
import android.util.Size;
import android.view.DisplayInfo;
import android.view.SurfaceHolder;
import android.view.WindowManager;
@@ -90,7 +91,7 @@ public class ImageWallpaper extends WallpaperService {
mMiniBitmap = null;
}
class GLEngine extends Engine {
class GLEngine extends Engine implements DisplayListener {
// Surface is rejected if size below a threshold on some devices (ie. 8px on elfin)
// set min to 64 px (CTS covers this), please refer to ag/4867989 for detail.
@VisibleForTesting
@@ -102,15 +103,15 @@ public class ImageWallpaper extends WallpaperService {
private EglHelper mEglHelper;
private final Runnable mFinishRenderingTask = this::finishRendering;
private boolean mNeedRedraw;
private int mWidth = 1;
private int mHeight = 1;
private boolean mDisplaySizeValid = false;
private int mDisplayWidth = 1;
private int mDisplayHeight = 1;
private int mImgWidth = 1;
private int mImgHeight = 1;
private float mPageWidth = 1.f;
private float mPageOffset = 1.f;
GLEngine() {
}
GLEngine() { }
@VisibleForTesting
GLEngine(Handler handler) {
@@ -124,13 +125,23 @@ public class ImageWallpaper extends WallpaperService {
mRenderer = getRendererInstance();
setFixedSizeAllowed(true);
updateSurfaceSize();
Rect window = getDisplayContext()
.getSystemService(WindowManager.class)
.getCurrentWindowMetrics()
.getBounds();
mHeight = window.height();
mWidth = window.width();
mRenderer.setOnBitmapChanged(this::updateMiniBitmap);
getDisplayContext().getSystemService(DisplayManager.class)
.registerDisplayListener(this, mWorker.getThreadHandler());
}
@Override
public void onDisplayAdded(int displayId) { }
@Override
public void onDisplayRemoved(int displayId) { }
@Override
public void onDisplayChanged(int displayId) {
if (displayId == getDisplayContext().getDisplayId()) {
mDisplaySizeValid = false;
}
}
EglHelper getEglHelperInstance() {
@@ -154,26 +165,10 @@ public class ImageWallpaper extends WallpaperService {
if (pages == mPages) return;
mPages = pages;
if (mMiniBitmap == null || mMiniBitmap.isRecycled()) return;
updateShift();
mWorker.getThreadHandler().post(() ->
computeAndNotifyLocalColors(new ArrayList<>(mColorAreas), mMiniBitmap));
}
private void updateShift() {
if (mImgHeight == 0) {
mPageOffset = 0;
mPageWidth = 1;
return;
}
// calculate shift
DisplayInfo displayInfo = new DisplayInfo();
getDisplayContext().getDisplay().getDisplayInfo(displayInfo);
int screenWidth = displayInfo.getNaturalWidth();
float imgWidth = Math.min(mImgWidth > 0 ? screenWidth / (float) mImgWidth : 1.f, 1.f);
mPageWidth = imgWidth;
mPageOffset = (1 - imgWidth) / (float) (mPages - 1);
}
private void updateMiniBitmap(Bitmap b) {
if (b == null) return;
int size = Math.min(b.getWidth(), b.getHeight());
@@ -204,6 +199,8 @@ public class ImageWallpaper extends WallpaperService {
@Override
public void onDestroy() {
getDisplayContext().getSystemService(DisplayManager.class)
.unregisterDisplayListener(this);
mMiniBitmap = null;
mWorker.getThreadHandler().post(() -> {
mRenderer.finish();
@@ -268,6 +265,16 @@ public class ImageWallpaper extends WallpaperService {
* (1-Wr)].
*/
private RectF pageToImgRect(RectF area) {
if (!mDisplaySizeValid) {
Rect window = getDisplayContext()
.getSystemService(WindowManager.class)
.getCurrentWindowMetrics()
.getBounds();
mDisplayWidth = window.width();
mDisplayHeight = window.height();
mDisplaySizeValid = true;
}
// Width of a page for the caller of this API.
float virtualPageWidth = 1f / (float) mPages;
float leftPosOnPage = (area.left % virtualPageWidth) / virtualPageWidth;
@@ -275,12 +282,24 @@ public class ImageWallpaper extends WallpaperService {
int currentPage = (int) Math.floor(area.centerX() / virtualPageWidth);
RectF imgArea = new RectF();
if (mImgWidth == 0 || mImgHeight == 0 || mDisplayWidth <= 0 || mDisplayHeight <= 0) {
return imgArea;
}
imgArea.bottom = area.bottom;
imgArea.top = area.top;
float imageScale = Math.min(((float) mImgHeight) / mDisplayHeight, 1);
float mappedScreenWidth = mDisplayWidth * imageScale;
float pageWidth = Math.min(1.0f,
mImgWidth > 0 ? mappedScreenWidth / (float) mImgWidth : 1.f);
float pageOffset = (1 - pageWidth) / (float) (mPages - 1);
imgArea.left = MathUtils.constrain(
leftPosOnPage * mPageWidth + currentPage * mPageOffset, 0, 1);
leftPosOnPage * pageWidth + currentPage * pageOffset, 0, 1);
imgArea.right = MathUtils.constrain(
rightPosOnPage * mPageWidth + currentPage * mPageOffset, 0, 1);
rightPosOnPage * pageWidth + currentPage * pageOffset, 0, 1);
if (imgArea.left > imgArea.right) {
// take full page
imgArea.left = 0;
@@ -293,7 +312,6 @@ public class ImageWallpaper extends WallpaperService {
private List<WallpaperColors> getLocalWallpaperColors(@NonNull List<RectF> areas,
Bitmap b) {
List<WallpaperColors> colors = new ArrayList<>(areas.size());
updateShift();
for (int i = 0; i < areas.size(); i++) {
RectF area = pageToImgRect(areas.get(i));
if (area == null || !LOCAL_COLOR_BOUNDS.contains(area)) {