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implement SurfaceView.lockCanvas() using GskCanvas

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This commit is contained in:
Julian Winkler
2024-06-15 00:00:20 +02:00
parent 81797c2667
commit b95613614e
3 changed files with 59 additions and 5 deletions
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16
src/api-impl/android/view/SurfaceView.java
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@@ -2,6 +2,7 @@ package android.view;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.GskCanvas;
import android.graphics.Rect;
import android.util.AttributeSet;
@@ -38,6 +39,9 @@ public class SurfaceView extends View {
@Override
protected native long native_constructor(Context context, AttributeSet attrs);
protected native long native_createSnapshot();
protected native void native_postSnapshot(long surfaceView, long snapshot);
public SurfaceHolder getHolder() {
return mSurfaceHolder;
}
@@ -125,8 +129,7 @@ public class SurfaceView extends View {
*/
@Override
public Canvas lockCanvas() {
// return internalLockCanvas(null);
return null;
return internalLockCanvas(null);
}
/**
@@ -146,8 +149,7 @@ public class SurfaceView extends View {
*/
@Override
public Canvas lockCanvas(Rect inOutDirty) {
// return internalLockCanvas(inOutDirty);
return null;
return internalLockCanvas(inOutDirty);
}
private final Canvas internalLockCanvas(Rect dirty) {
@@ -186,7 +188,10 @@ public class SurfaceView extends View {
mLastLockTime = now;
mSurfaceLock.unlock();
*/
return null;
if(getWidth() == 0 || getHeight() == 0)
return null;
return new GskCanvas(native_createSnapshot());
}
/**
@@ -197,6 +202,7 @@ public class SurfaceView extends View {
*/
@Override
public void unlockCanvasAndPost(Canvas canvas) {
native_postSnapshot(widget, ((GskCanvas)canvas).snapshot);
// mSurface.unlockCanvasAndPost(canvas);
// mSurfaceLock.unlock();
}