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Diffstat (limited to 'src/com/android/launcher/Utilities.java')
-rw-r--r--src/com/android/launcher/Utilities.java195
1 files changed, 0 insertions, 195 deletions
diff --git a/src/com/android/launcher/Utilities.java b/src/com/android/launcher/Utilities.java
deleted file mode 100644
index cb8976ca9..000000000
--- a/src/com/android/launcher/Utilities.java
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher;
-
-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.Rect;
-import android.content.res.Resources;
-import android.content.Context;
-
-/**
- * Various utilities shared amongst the Launcher's classes.
- */
-final class Utilities {
- private static int sIconWidth = -1;
- private static int sIconHeight = -1;
-
- private static final Paint sPaint = new Paint();
- private static final Rect sBounds = new Rect();
- private static final Rect sOldBounds = new Rect();
- private static Canvas sCanvas = new Canvas();
-
- static {
- sCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG,
- Paint.FILTER_BITMAP_FLAG));
- }
-
- static Bitmap centerToFit(Bitmap bitmap, int width, int height, Context context) {
- final int bitmapWidth = bitmap.getWidth();
- final int bitmapHeight = bitmap.getHeight();
-
- if (bitmapWidth < width || bitmapHeight < height) {
- int color = context.getResources().getColor(R.color.window_background);
-
- Bitmap centered = Bitmap.createBitmap(bitmapWidth < width ? width : bitmapWidth,
- bitmapHeight < height ? height : bitmapHeight, Bitmap.Config.RGB_565);
- Canvas canvas = new Canvas(centered);
- canvas.drawColor(color);
- canvas.drawBitmap(bitmap, (width - bitmapWidth) / 2.0f, (height - bitmapHeight) / 2.0f,
- null);
-
- bitmap = centered;
- }
-
- return bitmap;
- }
-
- /**
- * Returns a Drawable representing the thumbnail of the specified Drawable.
- * The size of the thumbnail is defined by the dimension
- * android.R.dimen.launcher_application_icon_size.
- *
- * This method is not thread-safe and should be invoked on the UI thread only.
- *
- * @param icon The icon to get a thumbnail of.
- * @param context The application's context.
- *
- * @return A thumbnail for the specified icon or the icon itself if the
- * thumbnail could not be created.
- */
- static Drawable createIconThumbnail(Drawable icon, Context context) {
- if (sIconWidth == -1) {
- final Resources resources = context.getResources();
- sIconWidth = sIconHeight = (int) resources.getDimension(
- android.R.dimen.app_icon_size);
- }
-
- int width = sIconWidth;
- int height = sIconHeight;
-
- final int iconWidth = icon.getIntrinsicWidth();
- final int iconHeight = icon.getIntrinsicHeight();
-
- if (icon instanceof PaintDrawable) {
- PaintDrawable painter = (PaintDrawable) icon;
- painter.setIntrinsicWidth(width);
- painter.setIntrinsicHeight(height);
- }
-
- if (width > 0 && height > 0) {
- if (width < iconWidth || height < iconHeight) {
- final float ratio = (float) iconWidth / iconHeight;
-
- if (iconWidth > iconHeight) {
- height = (int) (width / ratio);
- } else if (iconHeight > iconWidth) {
- width = (int) (height * ratio);
- }
-
- final Bitmap.Config c = icon.getOpacity() != PixelFormat.OPAQUE ?
- Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565;
- final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
- final Canvas canvas = sCanvas;
- canvas.setBitmap(thumb);
- // Copy the old bounds to restore them later
- // If we were to do oldBounds = icon.getBounds(),
- // the call to setBounds() that follows would
- // change the same instance and we would lose the
- // old bounds
- sOldBounds.set(icon.getBounds());
- final int x = (sIconWidth - width) / 2;
- final int y = (sIconHeight - height) / 2;
- icon.setBounds(x, y, x + width, y + height);
- icon.draw(canvas);
- icon.setBounds(sOldBounds);
- icon = new FastBitmapDrawable(thumb);
- } else if (iconWidth < width && iconHeight < height) {
- final Bitmap.Config c = Bitmap.Config.ARGB_8888;
- final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
- final Canvas canvas = sCanvas;
- canvas.setBitmap(thumb);
- sOldBounds.set(icon.getBounds());
- final int x = (width - iconWidth) / 2;
- final int y = (height - iconHeight) / 2;
- icon.setBounds(x, y, x + iconWidth, y + iconHeight);
- icon.draw(canvas);
- icon.setBounds(sOldBounds);
- icon = new FastBitmapDrawable(thumb);
- }
- }
-
- return icon;
- }
-
- /**
- * Returns a Bitmap representing the thumbnail of the specified Bitmap.
- * The size of the thumbnail is defined by the dimension
- * android.R.dimen.launcher_application_icon_size.
- *
- * This method is not thread-safe and should be invoked on the UI thread only.
- *
- * @param bitmap The bitmap to get a thumbnail of.
- * @param context The application's context.
- *
- * @return A thumbnail for the specified bitmap or the bitmap itself if the
- * thumbnail could not be created.
- */
- static Bitmap createBitmapThumbnail(Bitmap bitmap, Context context) {
- if (sIconWidth == -1) {
- final Resources resources = context.getResources();
- sIconWidth = sIconHeight = (int) resources.getDimension(
- android.R.dimen.app_icon_size);
- }
-
- int width = sIconWidth;
- int height = sIconHeight;
-
- final int bitmapWidth = bitmap.getWidth();
- final int bitmapHeight = bitmap.getHeight();
-
- if (width > 0 && height > 0 && (width < bitmapWidth || height < bitmapHeight)) {
- final float ratio = (float) bitmapWidth / bitmapHeight;
-
- if (bitmapWidth > bitmapHeight) {
- height = (int) (width / ratio);
- } else if (bitmapHeight > bitmapWidth) {
- width = (int) (height * ratio);
- }
-
- final Bitmap.Config c = (width == sIconWidth && height == sIconHeight) ?
- bitmap.getConfig() : Bitmap.Config.ARGB_8888;
- final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
- final Canvas canvas = sCanvas;
- final Paint paint = sPaint;
- canvas.setBitmap(thumb);
- paint.setDither(false);
- paint.setFilterBitmap(true);
- sBounds.set((sIconWidth - width) / 2, (sIconHeight - height) / 2, width, height);
- sOldBounds.set(0, 0, bitmapWidth, bitmapHeight);
- canvas.drawBitmap(bitmap, sOldBounds, sBounds, paint);
- return thumb;
- }
-
- return bitmap;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 19:52:13 +0000