Account for scaling of surfaceInset area in magnification. am: 298f9278fd (23f27428) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/WindowStateAnimator.java

+18 −8

Original line number	Diff line number	Diff line
		@@ -926,6 +926,22 @@ class WindowStateAnimator {
		mPendingDestroySurface = null;
		}

		void applyMagnificationSpec(MagnificationSpec spec, Matrix transform) {
		final int surfaceInsetLeft = mWin.mAttrs.surfaceInsets.left;
		final int surfaceInsetTop = mWin.mAttrs.surfaceInsets.top;

		if (spec != null && !spec.isNop()) {
		float scale = spec.scale;
		transform.postScale(scale, scale);
		transform.postTranslate(spec.offsetX, spec.offsetY);

		// As we are scaling the whole surface, to keep the content
		// in the same position we will also have to scale the surfaceInsets.
		transform.postTranslate(-(surfaceInsetLeft*scale - surfaceInsetLeft),
		-(surfaceInsetTop*scale - surfaceInsetTop));
		}
		}

		void computeShownFrameLocked() {
		final boolean selfTransformation = mHasLocalTransformation;
		Transformation attachedTransformation =
		@@ -1016,10 +1032,7 @@ class WindowStateAnimator {
		if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) {
		MagnificationSpec spec = mService.mAccessibilityController
		.getMagnificationSpecForWindowLocked(mWin);
		if (spec != null && !spec.isNop()) {
		tmpMatrix.postScale(spec.scale, spec.scale);
		tmpMatrix.postTranslate(spec.offsetX, spec.offsetY);
		}
		applyMagnificationSpec(spec, tmpMatrix);
		}

		// "convert" it into SurfaceFlinger's format
		@@ -1118,10 +1131,7 @@ class WindowStateAnimator {
		tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale);
		tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset);

		if (spec != null && !spec.isNop()) {
		tmpMatrix.postScale(spec.scale, spec.scale);
		tmpMatrix.postTranslate(spec.offsetX, spec.offsetY);
		}
		applyMagnificationSpec(spec, tmpMatrix);

		tmpMatrix.getValues(tmpFloats);