| /* |
| * 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.FilterCropRepresentation; |
| import com.android.gallery3d.filtershow.filters.FilterFxRepresentation; |
| import com.android.gallery3d.filtershow.filters.FilterImageBorderRepresentation; |
| import com.android.gallery3d.filtershow.filters.FilterMirrorRepresentation; |
| import com.android.gallery3d.filtershow.filters.FilterRepresentation; |
| import com.android.gallery3d.filtershow.filters.FilterRotateRepresentation; |
| import com.android.gallery3d.filtershow.filters.FilterStraightenRepresentation; |
| 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 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 = false; |
| |
| public ImagePreset() { |
| } |
| |
| public ImagePreset(ImagePreset source) { |
| |
| 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 { |
| representation = sourceRepresentation.copy(); |
| } |
| addFilter(representation); |
| } |
| |
| } |
| |
| public FilterRepresentation getFilterRepresentation(int position) { |
| FilterRepresentation representation = null; |
| |
| representation = mFilters.elementAt(position).copy(); |
| |
| 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) { |
| representation = representation.copy(); |
| } |
| 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 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 (MasterImage.getImage().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 name null for filter: " + 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) { |
| // TODO: move these to FiltersManager pattern. |
| if (GeometryMetadata.SERIALIZATION_NAME.equalsIgnoreCase(name)) { |
| return new GeometryMetadata(); |
| } else if (FilterRotateRepresentation.SERIALIZATION_NAME.equals(name)) { |
| return new FilterRotateRepresentation(); |
| } else if (FilterMirrorRepresentation.SERIALIZATION_NAME.equals(name)) { |
| return new FilterMirrorRepresentation(); |
| } else if (FilterStraightenRepresentation.SERIALIZATION_NAME.equals(name)) { |
| return new FilterStraightenRepresentation(); |
| } else if (FilterCropRepresentation.SERIALIZATION_NAME.equals(name)) { |
| return new FilterCropRepresentation(); |
| } |
| 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); |
| } |
| } |
| } |