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Adding opacity to drag views. (5064535)

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Change-Id: I6eb96edf203a53e55a0d20dd97ff383d0b51da0e
This commit is contained in:
Winson Chung
2011-08-08 15:31:33 -07:00
parent 8fcce0f5b4
commit 70fc438583
3 changed files with 22 additions and 6 deletions
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src/com/android/launcher2/AppsCustomizePagedView.java
+14 -3
View File
@@ -33,6 +33,7 @@ import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.PorterDuff;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
@@ -172,6 +173,7 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
private Canvas mCanvas;
private Drawable mDefaultWidgetBackground;
private IconCache mIconCache;
private int mDragViewMultiplyColor;
// Dimens
private int mContentWidth;
@@ -202,7 +204,8 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
// Save the default widget preview background
Resources resources = context.getResources();
mDefaultWidgetBackground = resources.getDrawable(R.drawable.default_widget_preview_holo);
mAppIconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size);
mAppIconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size);
mDragViewMultiplyColor = resources.getColor(R.color.drag_view_multiply_color);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, 0, 0);
// TODO-APPS_CUSTOMIZE: remove these unnecessary attrs after
@@ -409,7 +412,7 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
createItemInfo.spanY = spanXY[1];
b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
renderDrawableToBitmap(preview, b, 0, 0, w, h, 1, 1);
renderDrawableToBitmap(preview, b, 0, 0, w, h, 1, 1, mDragViewMultiplyColor);
} else {
// Workaround for the fact that we don't keep the original ResolveInfo associated with
// the shortcut around. To get the icon, we just render the preview image (which has
@@ -420,6 +423,7 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
mCanvas.save();
preview.draw(mCanvas);
mCanvas.restore();
mCanvas.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY);
mCanvas.setBitmap(null);
createItemInfo.spanX = createItemInfo.spanY = 1;
}
@@ -745,6 +749,10 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
}
private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h,
float scaleX, float scaleY) {
renderDrawableToBitmap(d, bitmap, x, y, w, h, scaleX, scaleY, 0xFFFFFFFF);
}
private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h,
float scaleX, float scaleY, int multiplyColor) {
if (bitmap != null) {
Canvas c = new Canvas(bitmap);
c.scale(scaleX, scaleY);
@@ -752,6 +760,9 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
d.setBounds(x, y, x + w, y + h);
d.draw(c);
d.setBounds(oldBounds); // Restore the bounds
if (multiplyColor != 0xFFFFFFFF) {
c.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY);
}
c.setBitmap(null);
}
}
@@ -828,7 +839,7 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Config.ARGB_8888);
renderDrawableToBitmap(mDefaultWidgetBackground, preview, 0, 0, expectedWidth,
expectedHeight, 1f,1f);
expectedHeight, 1f, 1f);
// Draw the icon in the top left corner
try {