Clarify Bitmap.copyTo/FromPixelBuffer documentation (1f58497e) · Commits · e / os / android_frameworks_base

graphics/java/android/graphics/Bitmap.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,7 @@ public final class Bitmap implements Parcelable {
		if (sDefaultDensity >= 0) {
		return sDefaultDensity;
		}
		//noinspection deprecation
		sDefaultDensity = DisplayMetrics.DENSITY_DEVICE;
		return sDefaultDensity;
		}
		@@ -360,6 +361,9 @@ public final class Bitmap implements Parcelable {
		* that if this bitmap stores its pixels pre-multiplied
		* (see {@link #isPremultiplied()}, the values in the buffer will also be
		* pre-multiplied.</p>
		* <p>After this method returns, the current position of the buffer is
		* updated: the position is incremented by the number of elements written
		* in the buffer.</p>
		*/
		public void copyPixelsToBuffer(Buffer dst) {
		int elements = dst.remaining();
		@@ -394,6 +398,10 @@ public final class Bitmap implements Parcelable {
		* overwriting the bitmap's pixels. The data in the buffer is not changed
		* in any way (unlike setPixels(), which converts from unpremultipled 32bit
		* to whatever the bitmap's native format is.</p>
		* <p>After this method returns, the current position of the buffer is
		* updated: the position is incremented by the number of elements read from
		* the buffer. If you need to read the bitmap from the buffer again you must
		* first rewind the buffer.</p>
		*/
		public void copyPixelsFromBuffer(Buffer src) {
		checkRecycled("copyPixelsFromBuffer called on recycled bitmap");