Merge "Add comments regarding FILTER_BITMAP_FLAG" into sc-dev (9d65c125) · Commits · e / os / android_frameworks_base

graphics/java/android/graphics/Paint.java

+22 −0

Original line number	Diff line number	Diff line
		@@ -153,6 +153,13 @@ public class Paint {
		* resource bitmaps often are) the filtering will already have been
		* done.</p>
		*
		* <p>On devices running {@link Build.VERSION_CODES#O} and below, hardware
		* accelerated drawing always uses bilinear sampling on scaled bitmaps,
		* regardless of this flag. On devices running {@link Build.VERSION_CODES#Q}
		* and above, this flag defaults to being set on a new {@code Paint}. It can
		* be cleared with {@link #setFlags} or {@link #setFilterBitmap}.</p>
		*
		* @see #Paint()
		* @see #Paint(int)
		* @see #setFlags(int)
		*/
		@@ -558,6 +565,12 @@ public class Paint {

		/**
		* Create a new paint with default settings.
		*
		* <p>On devices running {@link Build.VERSION_CODES#O} and below, hardware
		* accelerated drawing always acts as if {@link #FILTER_BITMAP_FLAG} is set.
		* On devices running {@link Build.VERSION_CODES#Q} and above,
		* {@code FILTER_BITMAP_FLAG} is set by this constructor, and it can be
		* cleared with {@link #setFlags} or {@link #setFilterBitmap}.</p>
		*/
		public Paint() {
		this(0);
		@@ -567,6 +580,13 @@ public class Paint {
		* Create a new paint with the specified flags. Use setFlags() to change
		* these after the paint is created.
		*
		* <p>On devices running {@link Build.VERSION_CODES#O} and below, hardware
		* accelerated drawing always acts as if {@link #FILTER_BITMAP_FLAG} is set.
		* On devices running {@link Build.VERSION_CODES#Q} and above,
		* {@code FILTER_BITMAP_FLAG} is always set by this constructor, regardless
		* of the value of {@code flags}. It can be cleared with {@link #setFlags} or
		* {@link #setFilterBitmap}.</p>
		*
		* @param flags initial flag bits, as if they were passed via setFlags().
		*/
		public Paint(int flags) {
		@@ -991,6 +1011,7 @@ public class Paint {
		* device pixels. That is dependent on dithering and xfermodes.
		*
		* @see #setFilterBitmap(boolean) setFilterBitmap()
		* @see #FILTER_BITMAP_FLAG
		*/
		public final boolean isFilterBitmap() {
		return (getFlags() & FILTER_BITMAP_FLAG) != 0;
		@@ -1004,6 +1025,7 @@ public class Paint {
		*
		* @param filter true to set the FILTER_BITMAP_FLAG bit in the paint's
		* flags, false to clear it.
		* @see #FILTER_BITMAP_FLAG
		*/
		public void setFilterBitmap(boolean filter) {
		nSetFilterBitmap(mNativePaint, filter);