diff options
Diffstat (limited to 'src/com/android/gallery3d/ui/PhotoFallbackEffect.java')
| -rw-r--r-- | src/com/android/gallery3d/ui/PhotoFallbackEffect.java | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/com/android/gallery3d/ui/PhotoFallbackEffect.java b/src/com/android/gallery3d/ui/PhotoFallbackEffect.java deleted file mode 100644 index 4603285a4..000000000 --- a/src/com/android/gallery3d/ui/PhotoFallbackEffect.java +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Copyright (C) 2010 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.ui; - -import android.graphics.Rect; -import android.graphics.RectF; -import android.view.animation.DecelerateInterpolator; -import android.view.animation.Interpolator; - -import com.android.gallery3d.anim.Animation; -import com.android.gallery3d.data.Path; -import com.android.gallery3d.glrenderer.GLCanvas; -import com.android.gallery3d.glrenderer.RawTexture; -import com.android.gallery3d.ui.AlbumSlotRenderer.SlotFilter; - -import java.util.ArrayList; - -public class PhotoFallbackEffect extends Animation implements SlotFilter { - - private static final int ANIM_DURATION = 300; - private static final Interpolator ANIM_INTERPOLATE = new DecelerateInterpolator(1.5f); - - public static class Entry { - public int index; - public Path path; - public Rect source; - public Rect dest; - public RawTexture texture; - - public Entry(Path path, Rect source, RawTexture texture) { - this.path = path; - this.source = source; - this.texture = texture; - } - } - - public interface PositionProvider { - public Rect getPosition(int index); - public int getItemIndex(Path path); - } - - private RectF mSource = new RectF(); - private RectF mTarget = new RectF(); - private float mProgress; - private PositionProvider mPositionProvider; - - private ArrayList<Entry> mList = new ArrayList<Entry>(); - - public PhotoFallbackEffect() { - setDuration(ANIM_DURATION); - setInterpolator(ANIM_INTERPOLATE); - } - - public void addEntry(Path path, Rect rect, RawTexture texture) { - mList.add(new Entry(path, rect, texture)); - } - - public Entry getEntry(Path path) { - for (int i = 0, n = mList.size(); i < n; ++i) { - Entry entry = mList.get(i); - if (entry.path == path) return entry; - } - return null; - } - - public boolean draw(GLCanvas canvas) { - boolean more = calculate(AnimationTime.get()); - for (int i = 0, n = mList.size(); i < n; ++i) { - Entry entry = mList.get(i); - if (entry.index < 0) continue; - entry.dest = mPositionProvider.getPosition(entry.index); - drawEntry(canvas, entry); - } - return more; - } - - private void drawEntry(GLCanvas canvas, Entry entry) { - if (!entry.texture.isLoaded()) return; - - int w = entry.texture.getWidth(); - int h = entry.texture.getHeight(); - - Rect s = entry.source; - Rect d = entry.dest; - - // the following calculation is based on d.width() == d.height() - - float p = mProgress; - - float fullScale = (float) d.height() / Math.min(s.width(), s.height()); - float scale = fullScale * p + 1 * (1 - p); - - float cx = d.centerX() * p + s.centerX() * (1 - p); - float cy = d.centerY() * p + s.centerY() * (1 - p); - - float ch = s.height() * scale; - float cw = s.width() * scale; - - if (w > h) { - // draw the center part - mTarget.set(cx - ch / 2, cy - ch / 2, cx + ch / 2, cy + ch / 2); - mSource.set((w - h) / 2, 0, (w + h) / 2, h); - canvas.drawTexture(entry.texture, mSource, mTarget); - - canvas.save(GLCanvas.SAVE_FLAG_ALPHA); - canvas.multiplyAlpha(1 - p); - - // draw the left part - mTarget.set(cx - cw / 2, cy - ch / 2, cx - ch / 2, cy + ch / 2); - mSource.set(0, 0, (w - h) / 2, h); - canvas.drawTexture(entry.texture, mSource, mTarget); - - // draw the right part - mTarget.set(cx + ch / 2, cy - ch / 2, cx + cw / 2, cy + ch / 2); - mSource.set((w + h) / 2, 0, w, h); - canvas.drawTexture(entry.texture, mSource, mTarget); - - canvas.restore(); - } else { - // draw the center part - mTarget.set(cx - cw / 2, cy - cw / 2, cx + cw / 2, cy + cw / 2); - mSource.set(0, (h - w) / 2, w, (h + w) / 2); - canvas.drawTexture(entry.texture, mSource, mTarget); - - canvas.save(GLCanvas.SAVE_FLAG_ALPHA); - canvas.multiplyAlpha(1 - p); - - // draw the upper part - mTarget.set(cx - cw / 2, cy - ch / 2, cx + cw / 2, cy - cw / 2); - mSource.set(0, 0, w, (h - w) / 2); - canvas.drawTexture(entry.texture, mSource, mTarget); - - // draw the bottom part - mTarget.set(cx - cw / 2, cy + cw / 2, cx + cw / 2, cy + ch / 2); - mSource.set(0, (w + h) / 2, w, h); - canvas.drawTexture(entry.texture, mSource, mTarget); - - canvas.restore(); - } - } - - @Override - protected void onCalculate(float progress) { - mProgress = progress; - } - - public void setPositionProvider(PositionProvider provider) { - mPositionProvider = provider; - if (mPositionProvider != null) { - for (int i = 0, n = mList.size(); i < n; ++i) { - Entry entry = mList.get(i); - entry.index = mPositionProvider.getItemIndex(entry.path); - } - } - } - - @Override - public boolean acceptSlot(int index) { - for (int i = 0, n = mList.size(); i < n; ++i) { - Entry entry = mList.get(i); - if (entry.index == index) return false; - } - return true; - } -} |