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Work around more problems with Bitmaps

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* java/org/gnu/emacs/EmacsNative.java (EmacsNative): New
function `blitRect'.
* java/org/gnu/emacs/EmacsSurfaceView.java (EmacsSurfaceView):
Use it on Android 8.x.
* src/android.c (blitRect): Implement new function.
This commit is contained in:
Po Lu 2023-05-29 17:46:19 +08:00
parent 9a35354593
commit 7fdde02f32
3 changed files with 137 additions and 4 deletions
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33
java/org/gnu/emacs/EmacsSurfaceView.java
View file

@ -57,11 +57,36 @@ public final class EmacsSurfaceView extends View
private void
copyToFrontBuffer (Bitmap bitmap, Rect damageRect)
{
if (damageRect != null)
bitmapCanvas.drawBitmap (bitmap, damageRect, damageRect,
bitmapPaint);
EmacsService.checkEmacsThread ();
if (Build.VERSION.SDK_INT != Build.VERSION_CODES.O
&& Build.VERSION.SDK_INT != Build.VERSION_CODES.O_MR1)
{
/* If `drawBitmap' can safely be used while a bitmap is locked
by another thread, continue here... */
if (damageRect != null)
bitmapCanvas.drawBitmap (bitmap, damageRect, damageRect,
bitmapPaint);
else
bitmapCanvas.drawBitmap (bitmap, 0f, 0f, bitmapPaint);
}
else
bitmapCanvas.drawBitmap (bitmap, 0f, 0f, bitmapPaint);
{
/* But if it can not, as on Android 8.0 and 8.1, then use a
replacement function. */
if (damageRect != null)
EmacsNative.blitRect (bitmap, frontBuffer,
damageRect.left,
damageRect.top,
damageRect.right,
damageRect.bottom);
else
EmacsNative.blitRect (bitmap, frontBuffer, 0, 0,
bitmap.getWidth (),
bitmap.getHeight ());
}
}
private void