diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/pipeline/ImagePreset.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/pipeline/ImagePreset.java | 700 |
1 files changed, 700 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/pipeline/ImagePreset.java b/src/com/android/gallery3d/filtershow/pipeline/ImagePreset.java new file mode 100644 index 000000000..c78bc1ef4 --- /dev/null +++ b/src/com/android/gallery3d/filtershow/pipeline/ImagePreset.java @@ -0,0 +1,700 @@ +/* + * 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.pipeline; + +import android.graphics.Bitmap; +import android.graphics.Rect; +import android.support.v8.renderscript.Allocation; +import android.util.JsonReader; +import android.util.JsonWriter; +import android.util.Log; + +import com.android.gallery3d.R; +import com.android.gallery3d.filtershow.cache.ImageLoader; +import com.android.gallery3d.filtershow.filters.BaseFiltersManager; +import com.android.gallery3d.filtershow.filters.FilterFxRepresentation; +import com.android.gallery3d.filtershow.filters.FilterImageBorderRepresentation; +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.GeometryMetadata; +import com.android.gallery3d.filtershow.imageshow.MasterImage; +import com.android.gallery3d.filtershow.state.State; +import com.android.gallery3d.filtershow.state.StateAdapter; +import com.android.gallery3d.util.UsageStatistics; + +import java.io.IOException; +import java.io.StringReader; +import java.io.StringWriter; +import java.util.Vector; + +public class ImagePreset { + + private static final String LOGTAG = "ImagePreset"; + + private ImageLoader mImageLoader = null; + + private Vector<FilterRepresentation> mFilters = new Vector<FilterRepresentation>(); + + protected boolean mIsFxPreset = false; + + private boolean mDoApplyGeometry = true; + private boolean mDoApplyFilters = true; + + private boolean mPartialRendering = false; + private Rect mPartialRenderingBounds; + private static final boolean DEBUG = true; + + public ImagePreset() { + } + + public ImagePreset(ImagePreset source) { + try { + for (int i = 0; i < source.mFilters.size(); i++) { + FilterRepresentation representation = null; + FilterRepresentation sourceRepresentation = source.mFilters.elementAt(i); + if (sourceRepresentation instanceof GeometryMetadata) { + GeometryMetadata geoData = new GeometryMetadata(); + GeometryMetadata srcGeo = (GeometryMetadata) sourceRepresentation; + geoData.set(srcGeo); + representation = geoData; + } else { + // TODO: get rid of clone()... + representation = sourceRepresentation.clone(); + } + addFilter(representation); + } + } catch (java.lang.CloneNotSupportedException e) { + Log.v(LOGTAG, "Exception trying to clone: " + e); + } + mImageLoader = source.getImageLoader(); + } + + public FilterRepresentation getFilterRepresentation(int position) { + FilterRepresentation representation = null; + try { + representation = mFilters.elementAt(position).clone(); + } catch (CloneNotSupportedException e) { + e.printStackTrace(); + } + return representation; + } + + public int getPositionForRepresentation(FilterRepresentation representation) { + for (int i = 0; i < mFilters.size(); i++) { + if (mFilters.elementAt(i).getFilterClass() == representation.getFilterClass()) { + return i; + } + } + return -1; + } + + private FilterRepresentation getFilterRepresentationForType(int type) { + for (int i = 0; i < mFilters.size(); i++) { + if (mFilters.elementAt(i).getFilterType() == type) { + return mFilters.elementAt(i); + } + } + return null; + } + + public int getPositionForType(int type) { + for (int i = 0; i < mFilters.size(); i++) { + if (mFilters.elementAt(i).getFilterType() == type) { + return i; + } + } + return -1; + } + + public FilterRepresentation getFilterRepresentationCopyFrom(FilterRepresentation filterRepresentation) { + // TODO: add concept of position in the filters (to allow multiple instances) + if (filterRepresentation == null) { + return null; + } + int position = getPositionForRepresentation(filterRepresentation); + if (position == -1) { + return null; + } + FilterRepresentation representation = mFilters.elementAt(position); + if (representation != null) { + try { + representation = representation.clone(); + } catch (CloneNotSupportedException e) { + e.printStackTrace(); + } + } + return representation; + } + + public void updateFilterRepresentation(FilterRepresentation representation) { + if (representation == null) { + return; + } + if (representation instanceof GeometryMetadata) { + setGeometry((GeometryMetadata) representation); + } else { + int position = getPositionForRepresentation(representation); + if (position == -1) { + return; + } + FilterRepresentation old = mFilters.elementAt(position); + old.useParametersFrom(representation); + } + MasterImage.getImage().invalidatePreview(); + fillImageStateAdapter(MasterImage.getImage().getState()); + } + + public void setDoApplyGeometry(boolean value) { + mDoApplyGeometry = value; + } + + public void setDoApplyFilters(boolean value) { + mDoApplyFilters = value; + } + + public boolean getDoApplyFilters() { + return mDoApplyFilters; + } + + public GeometryMetadata getGeometry() { + for (FilterRepresentation representation : mFilters) { + if (representation instanceof GeometryMetadata) { + return (GeometryMetadata) representation; + } + } + GeometryMetadata geo = new GeometryMetadata(); + mFilters.add(0, geo); // Hard Requirement for now -- Geometry ought to be first. + return geo; + } + + public boolean hasModifications() { + for (int i = 0; i < mFilters.size(); i++) { + FilterRepresentation filter = mFilters.elementAt(i); + if (filter instanceof GeometryMetadata) { + if (((GeometryMetadata) filter).hasModifications()) { + return true; + } + } else if (!filter.isNil()) { + return true; + } + } + return false; + } + + public boolean isPanoramaSafe() { + for (FilterRepresentation representation : mFilters) { + if (representation instanceof GeometryMetadata) { + if (((GeometryMetadata) representation).hasModifications()) { + return false; + } + } + if (representation.getFilterType() == FilterRepresentation.TYPE_BORDER + && !representation.isNil()) { + return false; + } + if (representation.getFilterType() == FilterRepresentation.TYPE_VIGNETTE + && !representation.isNil()) { + return false; + } + if (representation.getFilterType() == FilterRepresentation.TYPE_TINYPLANET + && !representation.isNil()) { + return false; + } + } + return true; + } + + public void setGeometry(GeometryMetadata representation) { + GeometryMetadata geoData = getGeometry(); + if (geoData != representation) { + geoData.set(representation); + } + } + + public ImageLoader getImageLoader() { + return mImageLoader; + } + + public void setImageLoader(ImageLoader mImageLoader) { + this.mImageLoader = mImageLoader; + } + + public boolean equals(ImagePreset preset) { + if (!same(preset)) { + return false; + } + if (mDoApplyFilters && preset.mDoApplyFilters) { + for (int i = 0; i < preset.mFilters.size(); i++) { + FilterRepresentation a = preset.mFilters.elementAt(i); + FilterRepresentation b = mFilters.elementAt(i); + if (!a.equals(b)) { + return false; + } + } + } + return true; + } + + public boolean same(ImagePreset preset) { + if (preset == null) { + return false; + } + + if (preset.mFilters.size() != mFilters.size()) { + return false; + } + + if (mDoApplyGeometry != preset.mDoApplyGeometry) { + return false; + } + + if (mDoApplyGeometry && !getGeometry().equals(preset.getGeometry())) { + return false; + } + + if (mDoApplyFilters != preset.mDoApplyFilters) { + if (mFilters.size() > 0 || preset.mFilters.size() > 0) { + return false; + } + } + + if (mDoApplyFilters && preset.mDoApplyFilters) { + for (int i = 0; i < preset.mFilters.size(); i++) { + FilterRepresentation a = preset.mFilters.elementAt(i); + FilterRepresentation b = mFilters.elementAt(i); + if (a instanceof GeometryMetadata) { + // Note: Geometry will always be at the same place + continue; + } + if (!a.same(b)) { + return false; + } + } + } + + return true; + } + + public int similarUpTo(ImagePreset preset) { + if (!getGeometry().equals(preset.getGeometry())) { + return -1; + } + + for (int i = 0; i < preset.mFilters.size(); i++) { + FilterRepresentation a = preset.mFilters.elementAt(i); + if (i < mFilters.size()) { + FilterRepresentation b = mFilters.elementAt(i); + if (!a.same(b)) { + return i; + } + if (!a.equals(b)) { + return i; + } + } else { + return i; + } + } + return preset.mFilters.size(); + } + + public void showFilters() { + Log.v(LOGTAG, "\\\\\\ showFilters -- " + mFilters.size() + " filters"); + int n = 0; + for (FilterRepresentation representation : mFilters) { + Log.v(LOGTAG, " filter " + n + " : " + representation.toString()); + n++; + } + Log.v(LOGTAG, "/// showFilters -- " + mFilters.size() + " filters"); + } + + public FilterRepresentation getLastRepresentation() { + if (mFilters.size() > 0) { + return mFilters.lastElement(); + } + return null; + } + + public void removeFilter(FilterRepresentation filterRepresentation) { + if (filterRepresentation.getFilterType() == FilterRepresentation.TYPE_BORDER) { + for (int i = 0; i < mFilters.size();i++) { + if (mFilters.elementAt(i).getFilterType() + == filterRepresentation.getFilterType()) { + mFilters.remove(i); + break; + } + } + } else { + for (int i = 0; i < mFilters.size(); i++) { + if (mFilters.elementAt(i).getFilterClass() + == filterRepresentation.getFilterClass()) { + mFilters.remove(i); + break; + } + } + } + } + + // If the filter is an "None" effect or border, then just don't add this + // filter. + public void addFilter(FilterRepresentation representation) { + if (representation instanceof GeometryMetadata) { + setGeometry((GeometryMetadata) representation); + return; + } + + if (representation.getFilterType() == FilterRepresentation.TYPE_BORDER) { + removeFilter(representation); + if (!isNoneBorderFilter(representation)) { + mFilters.add(representation); + } + } else if (representation.getFilterType() == FilterRepresentation.TYPE_FX) { + boolean found = false; + for (int i = 0; i < mFilters.size(); i++) { + int type = mFilters.elementAt(i).getFilterType(); + if (found) { + if (type != FilterRepresentation.TYPE_VIGNETTE) { + mFilters.remove(i); + continue; + } + } + if (type == FilterRepresentation.TYPE_FX) { + mFilters.remove(i); + if (!isNoneFxFilter(representation)) { + mFilters.add(i, representation); + } + found = true; + } + } + if (!found) { + if (!isNoneFxFilter(representation)) { + mFilters.add(representation); + } + } + } else { + mFilters.add(representation); + } + } + + private boolean isNoneBorderFilter(FilterRepresentation representation) { + return representation instanceof FilterImageBorderRepresentation && + ((FilterImageBorderRepresentation) representation).getDrawableResource() == 0; + } + + private boolean isNoneFxFilter(FilterRepresentation representation) { + return representation instanceof FilterFxRepresentation && + ((FilterFxRepresentation)representation).getNameResource() == R.string.none; + } + + public FilterRepresentation getRepresentation(FilterRepresentation filterRepresentation) { + for (int i = 0; i < mFilters.size(); i++) { + FilterRepresentation representation = mFilters.elementAt(i); + if (representation.getFilterClass() == filterRepresentation.getFilterClass()) { + return representation; + } + } + return null; + } + + public Bitmap apply(Bitmap original, FilterEnvironment environment) { + Bitmap bitmap = original; + bitmap = applyFilters(bitmap, -1, -1, environment); + return applyBorder(bitmap, environment); + } + + public Bitmap applyGeometry(Bitmap bitmap, FilterEnvironment environment) { + // Apply any transform -- 90 rotate, flip, straighten, crop + // Returns a new bitmap. + if (mDoApplyGeometry) { + GeometryMetadata geoData = getGeometry(); + bitmap = environment.applyRepresentation(geoData, bitmap); + } + return bitmap; + } + + public Bitmap applyBorder(Bitmap bitmap, FilterEnvironment environment) { + // get the border from the list of filters. + FilterRepresentation border = getFilterRepresentationForType( + FilterRepresentation.TYPE_BORDER); + if (border != null && mDoApplyGeometry) { + bitmap = environment.applyRepresentation(border, bitmap); + if (environment.getQuality() == FilterEnvironment.QUALITY_FINAL) { + UsageStatistics.onEvent(UsageStatistics.COMPONENT_EDITOR, + "SaveBorder", border.getSerializationName(), 1); + } + } + return bitmap; + } + + public int nbFilters() { + return mFilters.size(); + } + + public Bitmap applyFilters(Bitmap bitmap, int from, int to, FilterEnvironment environment) { + if (mDoApplyFilters) { + if (from < 0) { + from = 0; + } + if (to == -1) { + to = mFilters.size(); + } + if (environment.getQuality() == FilterEnvironment.QUALITY_FINAL) { + UsageStatistics.onEvent(UsageStatistics.COMPONENT_EDITOR, + "SaveFilters", "Total", to - from + 1); + } + for (int i = from; i < to; i++) { + FilterRepresentation representation = mFilters.elementAt(i); + if (representation instanceof GeometryMetadata) { + // skip the geometry as it's already applied. + continue; + } + if (representation.getFilterType() == FilterRepresentation.TYPE_BORDER) { + // for now, let's skip the border as it will be applied in applyBorder() + // TODO: might be worth getting rid of applyBorder. + continue; + } + bitmap = environment.applyRepresentation(representation, bitmap); + if (environment.getQuality() == FilterEnvironment.QUALITY_FINAL) { + UsageStatistics.onEvent(UsageStatistics.COMPONENT_EDITOR, + "SaveFilter", representation.getSerializationName(), 1); + } + if (environment.needsStop()) { + return bitmap; + } + } + } + + return bitmap; + } + + public void applyBorder(Allocation in, Allocation out, + boolean copyOut, FilterEnvironment environment) { + FilterRepresentation border = getFilterRepresentationForType( + FilterRepresentation.TYPE_BORDER); + if (border != null && mDoApplyGeometry) { + // TODO: should keep the bitmap around + Allocation bitmapIn = in; + if (copyOut) { + bitmapIn = Allocation.createTyped( + CachingPipeline.getRenderScriptContext(), in.getType()); + bitmapIn.copyFrom(out); + } + environment.applyRepresentation(border, bitmapIn, out); + } + } + + public void applyFilters(int from, int to, Allocation in, Allocation out, + FilterEnvironment environment) { + if (mDoApplyFilters) { + if (from < 0) { + from = 0; + } + if (to == -1) { + to = mFilters.size(); + } + for (int i = from; i < to; i++) { + FilterRepresentation representation = mFilters.elementAt(i); + if (representation instanceof GeometryMetadata) { + // skip the geometry as it's already applied. + continue; + } + if (representation.getFilterType() == FilterRepresentation.TYPE_BORDER) { + // for now, let's skip the border as it will be applied in applyBorder() + continue; + } + if (i > from) { + in.copyFrom(out); + } + environment.applyRepresentation(representation, in, out); + } + } + } + + public boolean canDoPartialRendering() { + if (ImageLoader.getZoomOrientation() != ImageLoader.ORI_NORMAL) { + return false; + } + for (int i = 0; i < mFilters.size(); i++) { + FilterRepresentation representation = mFilters.elementAt(i); + if (representation instanceof GeometryMetadata + && ((GeometryMetadata) representation).hasModifications()) { + return false; + } + if (!representation.supportsPartialRendering()) { + return false; + } + } + return true; + } + + public void fillImageStateAdapter(StateAdapter imageStateAdapter) { + if (imageStateAdapter == null) { + return; + } + Vector<State> states = new Vector<State>(); + for (FilterRepresentation filter : mFilters) { + if (filter instanceof GeometryMetadata) { + // TODO: supports Geometry representations in the state panel. + continue; + } + State state = new State(filter.getName()); + state.setFilterRepresentation(filter); + states.add(state); + } + imageStateAdapter.fill(states); + } + + public void setPartialRendering(boolean partialRendering, Rect bounds) { + mPartialRendering = partialRendering; + mPartialRenderingBounds = bounds; + } + + public boolean isPartialRendering() { + return mPartialRendering; + } + + public Rect getPartialRenderingBounds() { + return mPartialRenderingBounds; + } + + public Vector<ImageFilter> getUsedFilters(BaseFiltersManager filtersManager) { + Vector<ImageFilter> usedFilters = new Vector<ImageFilter>(); + for (int i = 0; i < mFilters.size(); i++) { + FilterRepresentation representation = mFilters.elementAt(i); + ImageFilter filter = filtersManager.getFilterForRepresentation(representation); + usedFilters.add(filter); + } + return usedFilters; + } + + public String getJsonString(String name) { + StringWriter swriter = new StringWriter(); + try { + JsonWriter writer = new JsonWriter(swriter); + writeJson(writer, name); + writer.close(); + } catch (IOException e) { + return null; + } + return swriter.toString(); + } + + public void writeJson(JsonWriter writer, String name) { + int numFilters = mFilters.size(); + try { + writer.beginObject(); + GeometryMetadata geoData = getGeometry(); + writer.name(geoData.getSerializationName()); + writer.beginObject(); + { + String[][] rep = geoData.serializeRepresentation(); + for (int i = 0; i < rep.length; i++) { + writer.name(rep[i][0]); + writer.value(rep[i][1]); + } + } + writer.endObject(); + + for (int i = 0; i < numFilters; i++) { + FilterRepresentation filter = mFilters.get(i); + if (filter instanceof GeometryMetadata) { + continue; + } + String sname = filter.getSerializationName(); + if (DEBUG) { + Log.v(LOGTAG, "Serialization: " + sname); + if (sname == null) { + Log.v(LOGTAG, "Serialization: " + filter); + } + } + writer.name(sname); + filter.serializeRepresentation(writer); + } + writer.endObject(); + + } catch (IOException e) { + e.printStackTrace(); + } + } + + /** + * populates preset from JSON string + * @param filterString a JSON string + * @return true on success if false ImagePreset is undefined + */ + public boolean readJsonFromString(String filterString) { + if (DEBUG) { + Log.v(LOGTAG,"reading preset: \""+filterString+"\""); + } + StringReader sreader = new StringReader(filterString); + try { + JsonReader reader = new JsonReader(sreader); + boolean ok = readJson(reader); + if (!ok) { + reader.close(); + return false; + } + reader.close(); + } catch (Exception e) { + Log.e(LOGTAG,"parsing the filter parameters:",e); + return false; + } + return true; + } + + /** + * populates preset from JSON stream + * @param sreader a JSON string + * @return true on success if false ImagePreset is undefined + */ + public boolean readJson(JsonReader sreader) throws IOException { + sreader.beginObject(); + + while (sreader.hasNext()) { + String name = sreader.nextName(); + FilterRepresentation filter = creatFilterFromName(name); + if (filter == null) { + Log.w(LOGTAG,"UNKNOWN FILTER! "+name); + return false; + } + filter.deSerializeRepresentation(sreader); + addFilter(filter); + } + sreader.endObject(); + return true; + } + + FilterRepresentation creatFilterFromName(String name) { + if (GeometryMetadata.SERIALIZATION_NAME.equalsIgnoreCase(name)) { + return new GeometryMetadata(); + } + FiltersManager filtersManager = FiltersManager.getManager(); + return filtersManager.createFilterFromName(name); + } + + public void updateWith(ImagePreset preset) { + if (preset.mFilters.size() != mFilters.size()) { + Log.e(LOGTAG, "Updating a preset with an incompatible one"); + return; + } + for (int i = 0; i < mFilters.size(); i++) { + FilterRepresentation destRepresentation = mFilters.elementAt(i); + FilterRepresentation sourceRepresentation = preset.mFilters.elementAt(i); + destRepresentation.useParametersFrom(sourceRepresentation); + } + } +} |