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/*
* Copyright (C) 2012 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.gallery3d.filtershow.ui;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;
import com.android.gallery3d.app.Log;
import com.android.gallery3d.filtershow.FilterShowActivity;
import com.android.gallery3d.filtershow.PanelController;
import com.android.gallery3d.filtershow.cache.FilteringPipeline;
import com.android.gallery3d.filtershow.cache.ImageLoader;
import com.android.gallery3d.filtershow.cache.RenderingRequest;
import com.android.gallery3d.filtershow.cache.RenderingRequestCaller;
import com.android.gallery3d.filtershow.filters.FilterRepresentation;
import com.android.gallery3d.filtershow.filters.FiltersManager;
import com.android.gallery3d.filtershow.filters.ImageFilter;
import com.android.gallery3d.filtershow.imageshow.GeometryListener;
import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;
import com.android.gallery3d.filtershow.imageshow.MasterImage;
import com.android.gallery3d.filtershow.presets.ImagePreset;
public class FilterIconButton extends IconButton implements View.OnClickListener,
RenderingRequestCaller, GeometryListener {
private static final String LOGTAG = "FilterIconButton";
private Bitmap mOverlayBitmap = null;
private PanelController mController = null;
private FilterRepresentation mFilterRepresentation = null;
private LinearLayout mParentContainer = null;
private View.OnClickListener mListener = null;
private Bitmap mIconBitmap = null;
private ImagePreset mPreset = null;
private Rect mDestination = null;
public FilterIconButton(Context context) {
super(context);
}
public FilterIconButton(Context context, AttributeSet attrs) {
super(context, attrs);
}
public FilterIconButton(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public void setup(String text, PanelController controller, LinearLayout parent) {
mController = controller;
setText(text);
mParentContainer = parent;
super.setOnClickListener(this);
MasterImage.getImage().addGeometryListener(this);
invalidate();
}
@Override
protected Bitmap drawImage(Bitmap dst, Bitmap image, Rect destination) {
if (mIconBitmap == null && mPreset == null) {
ImageLoader loader = MasterImage.getImage().getLoader();
if (loader != null) {
ImagePreset geoPreset = new ImagePreset(MasterImage.getImage().getGeometryPreset());
image = geoPreset.applyGeometry(image);
dst = super.drawImage(dst, image, destination);
ImagePreset mPreset = new ImagePreset();
mPreset.addFilter(mFilterRepresentation);
mDestination = destination;
RenderingRequest.post(dst.copy(Bitmap.Config.ARGB_8888, true), mPreset, RenderingRequest.ICON_RENDERING, this);
}
return dst;
} else {
return mIconBitmap;
}
}
@Override
public void setOnClickListener(View.OnClickListener listener) {
mListener = listener;
}
@Override
public void onClick(View v) {
if (mController != null) {
mController.useFilterRepresentation(mFilterRepresentation);
mParentContainer.dispatchSetSelected(false);
setSelected(true);
}
if (mListener != null && mListener != this) {
mListener.onClick(v);
}
}
public FilterRepresentation getFilterRepresentation() {
return mFilterRepresentation;
}
public void setFilterRepresentation(FilterRepresentation filterRepresentation) {
mFilterRepresentation = filterRepresentation;
if (mFilterRepresentation != null && mFilterRepresentation.getOverlayId() != 0) {
mOverlayBitmap = BitmapFactory.decodeResource(getResources(),
mFilterRepresentation.getOverlayId());
}
invalidate();
}
@Override
public void available(RenderingRequest request) {
if (request.getBitmap() == null) {
return;
}
mIconBitmap = request.getBitmap();
if (mOverlayBitmap != null) {
mIconBitmap = super.drawImage(mIconBitmap, mOverlayBitmap, mDestination);
}
invalidate();
stale_icon = true;
}
@Override
public void geometryChanged() {
stale_icon = true;
mIconBitmap = null;
mPreset = null;
invalidate();
}
}
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