Add createIconBitmap method that takes in placeholder string and the color (a54e2185) · Commits · e / os / android_frameworks_libs_systemui

iconloaderlib/src/com/android/launcher3/icons/BaseIconFactory.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@ import android.content.res.Resources;
		import android.graphics.Bitmap;
		import android.graphics.Canvas;
		import android.graphics.Color;
		import android.graphics.Paint;
		import android.graphics.PaintFlagsDrawFilter;
		import android.graphics.Rect;
		import android.graphics.RectF;
		@@ -56,6 +57,10 @@ public class BaseIconFactory implements AutoCloseable {
		private Drawable mWrapperIcon;
		private int mWrapperBackgroundColor = DEFAULT_WRAPPER_BACKGROUND;

		private final Paint mTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG \| Paint.FILTER_BITMAP_FLAG);
		private static final float PLACEHOLDER_TEXT_SIZE = 20f;
		private static int PLACEHOLDER_BACKGROUND_COLOR = Color.rgb(240, 240, 240);

		protected BaseIconFactory(Context context, int fillResIconDpi, int iconBitmapSize,
		boolean shapeDetection) {
		mContext = context.getApplicationContext();
		@@ -68,6 +73,10 @@ public class BaseIconFactory implements AutoCloseable {

		mCanvas = new Canvas();
		mCanvas.setDrawFilter(new PaintFlagsDrawFilter(DITHER_FLAG, FILTER_BITMAP_FLAG));
		mTextPaint.setTextAlign(Paint.Align.CENTER);
		mTextPaint.setColor(PLACEHOLDER_BACKGROUND_COLOR);
		mTextPaint.setTextSize(context.getResources().getDisplayMetrics().density *
		PLACEHOLDER_TEXT_SIZE);
		clear();
		}

		@@ -113,6 +122,28 @@ public class BaseIconFactory implements AutoCloseable {
		return null;
		}

		/**
		* Create a placeholder icon using the passed in text.
		*
		* @param placeholder used for foreground element in the icon bitmap
		* @param color used for the foreground text color
		* @return
		*/
		public BitmapInfo createIconBitmap(String placeholder, int color) {
		if (!ATLEAST_OREO) return null;

		Bitmap placeholderBitmap = Bitmap.createBitmap(mIconBitmapSize, mIconBitmapSize,
		Bitmap.Config.ARGB_8888);
		mTextPaint.setColor(color);
		Canvas canvas = new Canvas(placeholderBitmap);
		canvas.drawText(placeholder, mIconBitmapSize / 2, mIconBitmapSize * 5 / 8, mTextPaint);
		AdaptiveIconDrawable drawable = new AdaptiveIconDrawable(
		new ColorDrawable(PLACEHOLDER_BACKGROUND_COLOR),
		new BitmapDrawable(mContext.getResources(), placeholderBitmap));
		Bitmap icon = createIconBitmap(drawable, 1f);
		return BitmapInfo.of(icon, extractColor(icon));
		}

		public BitmapInfo createIconBitmap(Bitmap icon) {
		if (mIconBitmapSize != icon.getWidth() \|\| mIconBitmapSize != icon.getHeight()) {
		icon = createIconBitmap(new BitmapDrawable(mContext.getResources(), icon), 1f);