diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/pipeline/UpdatePreviewTask.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/pipeline/UpdatePreviewTask.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/pipeline/UpdatePreviewTask.java b/src/com/android/gallery3d/filtershow/pipeline/UpdatePreviewTask.java new file mode 100644 index 000000000..406cc9bf5 --- /dev/null +++ b/src/com/android/gallery3d/filtershow/pipeline/UpdatePreviewTask.java @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2013 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.pipeline; + +import android.graphics.Bitmap; +import com.android.gallery3d.filtershow.filters.FiltersManager; +import com.android.gallery3d.filtershow.imageshow.MasterImage; + +public class UpdatePreviewTask extends ProcessingTask { + private CachingPipeline mPreviewPipeline = null; + private boolean mHasUnhandledPreviewRequest = false; + private boolean mPipelineIsOn = false; + + public UpdatePreviewTask() { + mPreviewPipeline = new CachingPipeline( + FiltersManager.getPreviewManager(), "Preview"); + } + + public void setOriginal(Bitmap bitmap) { + mPreviewPipeline.setOriginal(bitmap); + mPipelineIsOn = true; + } + + public void updatePreview() { + if (!mPipelineIsOn) { + return; + } + mHasUnhandledPreviewRequest = true; + if (postRequest(null)) { + mHasUnhandledPreviewRequest = false; + } + } + + @Override + public boolean isPriorityTask() { + return true; + } + + @Override + public Result doInBackground(Request message) { + SharedBuffer buffer = MasterImage.getImage().getPreviewBuffer(); + SharedPreset preset = MasterImage.getImage().getPreviewPreset(); + ImagePreset renderingPreset = preset.dequeuePreset(); + if (renderingPreset != null) { + mPreviewPipeline.compute(buffer, renderingPreset, 0); + // set the preset we used in the buffer for later inspection UI-side + buffer.getProducer().setPreset(renderingPreset); + buffer.getProducer().sync(); + buffer.swapProducer(); // push back the result + } + return null; + } + + @Override + public void onResult(Result message) { + MasterImage.getImage().notifyObservers(); + if (mHasUnhandledPreviewRequest) { + updatePreview(); + } + } + + public void setPipelineIsOn(boolean pipelineIsOn) { + mPipelineIsOn = pipelineIsOn; + } +} |