clean up rollo / launcher2
diff --git a/src/com/android/launcher2/Utilities.java b/src/com/android/launcher2/Utilities.java
index dc61be3..c710615 100644
--- a/src/com/android/launcher2/Utilities.java
+++ b/src/com/android/launcher2/Utilities.java
@@ -20,12 +20,18 @@
import android.graphics.drawable.Drawable;
import android.graphics.drawable.PaintDrawable;
import android.graphics.Bitmap;
-import android.graphics.PixelFormat;
import android.graphics.Canvas;
-import android.graphics.PaintFlagsDrawFilter;
import android.graphics.Paint;
+import android.graphics.PaintFlagsDrawFilter;
+import android.graphics.PixelFormat;
import android.graphics.Rect;
+import android.graphics.RectF;
+import android.graphics.Typeface;
+import android.text.Layout.Alignment;
+import android.text.StaticLayout;
+import android.text.TextPaint;
import android.util.DisplayMetrics;
+import android.util.Log;
import android.content.res.Resources;
import android.content.Context;
@@ -201,4 +207,111 @@
return bitmap;
}
+
+ static class BubbleText {
+ private static final int MAX_LINES = 2;
+ private TextPaint mTextPaint;
+ private Paint mRectPaint;
+
+ private float mBubblePadding;
+ private float mCornerRadius;
+ private RectF mBubbleRect = new RectF();
+
+ private float mTextWidth;
+ private int mLeading;
+ private int mFirstLineY;
+ private int mLineHeight;
+
+ private int mBitmapWidth;
+ private int mBitmapHeight;
+
+ BubbleText(Context context) {
+ final Resources resources = context.getResources();
+
+ final float scale = resources.getDisplayMetrics().density;
+
+ final float paddingLeft = 5.0f * scale;
+ final float paddingRight = 5.0f * scale;
+ final float cellWidth = resources.getDimension(R.dimen.workspace_cell_width);
+ final float bubbleWidth = cellWidth - paddingLeft - paddingRight;
+ mBubblePadding = 5.0f * scale;
+
+ RectF bubbleRect = mBubbleRect;
+ bubbleRect.left = 0;
+ bubbleRect.top = 0;
+ bubbleRect.right = (int)(bubbleWidth+0.5f);
+
+ mCornerRadius = BubbleTextView.CORNER_RADIUS * scale;
+ mTextWidth = bubbleWidth - mBubblePadding - mBubblePadding;
+
+ Paint rectPaint = mRectPaint = new Paint();
+ rectPaint.setColor(0xff000000);
+
+ TextPaint textPaint = mTextPaint = new TextPaint();
+ textPaint.setTypeface(Typeface.DEFAULT_BOLD);
+ textPaint.setTextSize(20);
+ textPaint.setColor(0xffffffff);
+
+ float ascent = -textPaint.ascent();
+ float descent = textPaint.descent();
+ float leading = (ascent+descent) * 0.1f;
+ mLeading = (int)(leading + 0.5f);
+ mFirstLineY = (int)(leading + ascent + 0.5f);
+ mLineHeight = (int)(leading + ascent + descent + 0.5f);
+
+ roundToPow2(64);
+ mBitmapWidth = roundToPow2((int)(mBubbleRect.width() + 0.5f));
+ mBitmapHeight = roundToPow2((int)((MAX_LINES * mLineHeight) + mLeading + 0.5f));
+
+ Log.d(Launcher.LOG_TAG, "mBitmapWidth=" + mBitmapWidth + " mBitmapHeight="
+ + mBitmapHeight + " w=" + ((int)(mBubbleRect.width() + 0.5f))
+ + " h=" + ((int)((MAX_LINES * mLineHeight) + mLeading + 0.5f)));
+ }
+
+ /** You own the bitmap after this and you must call recycle on it. */
+ Bitmap createTextBitmap(String text) {
+ Bitmap b = Bitmap.createBitmap(mBitmapWidth, mBitmapHeight, Bitmap.Config.ARGB_8888);
+ Canvas c = new Canvas(b);
+
+ StaticLayout layout = new StaticLayout(text, mTextPaint, (int)mTextWidth,
+ Alignment.ALIGN_CENTER, 1, 0, true);
+ int lineCount = layout.getLineCount();
+ if (lineCount > MAX_LINES) {
+ lineCount = MAX_LINES;
+ }
+ if (lineCount > 0) {
+ RectF bubbleRect = mBubbleRect;
+ bubbleRect.bottom = (int)((lineCount * mLineHeight) + mLeading + mLeading + 0.0f);
+ c.drawRoundRect(bubbleRect, mCornerRadius, mCornerRadius, mRectPaint);
+ Log.d(Launcher.LOG_TAG, "bubbleRect=" + bubbleRect);
+ }
+ for (int i=0; i<lineCount; i++) {
+ int x = (int)((mBubbleRect.width() - layout.getLineMax(i)) / 2.0f);
+ int y = mFirstLineY + (i * mLineHeight);
+ c.drawText(text.substring(layout.getLineStart(i), layout.getLineEnd(i)),
+ x, y, mTextPaint);
+ }
+
+ return b;
+ }
+ }
+
+ /** Only works for positive numbers. */
+ static int roundToPow2(int n) {
+ int orig = n;
+ n >>= 1;
+ int mask = 0x8000000;
+ while (mask != 0 && (n & mask) == 0) {
+ mask >>= 1;
+ }
+ while (mask != 0) {
+ n |= mask;
+ mask >>= 1;
+ }
+ n += 1;
+ if (n != orig) {
+ n <<= 1;
+ }
+ return n;
+ }
}