diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/filters/ImageFilterGrad.java')
| -rw-r--r-- | src/com/android/gallery3d/filtershow/filters/ImageFilterGrad.java | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterGrad.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterGrad.java new file mode 100644 index 000000000..cbdfaa623 --- /dev/null +++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterGrad.java @@ -0,0 +1,190 @@ +/* + * 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.filters; + +import android.graphics.Bitmap; +import android.graphics.Color; +import android.graphics.Matrix; + +import com.android.gallery3d.R; +import com.android.gallery3d.filtershow.pipeline.FilterEnvironment; + +import android.graphics.Bitmap; +import android.graphics.Color; +import android.graphics.Matrix; +import android.support.v8.renderscript.Allocation; +import android.support.v8.renderscript.Element; +import android.support.v8.renderscript.RenderScript; +import android.support.v8.renderscript.Script.LaunchOptions; +import android.support.v8.renderscript.Type; +import android.util.Log; + +import com.android.gallery3d.R; +import com.android.gallery3d.filtershow.pipeline.FilterEnvironment; + +public class ImageFilterGrad extends ImageFilterRS { + private static final String LOGTAG = "ImageFilterGrad"; + private ScriptC_grad mScript; + private Bitmap mSourceBitmap; + private static final int RADIUS_SCALE_FACTOR = 160; + + private static final int STRIP_SIZE = 64; + + FilterGradRepresentation mParameters = new FilterGradRepresentation(); + private Bitmap mOverlayBitmap; + + public ImageFilterGrad() { + mName = "grad"; + } + + @Override + public FilterRepresentation getDefaultRepresentation() { + return new FilterGradRepresentation(); + } + + @Override + public void useRepresentation(FilterRepresentation representation) { + mParameters = (FilterGradRepresentation) representation; + } + + @Override + protected void resetAllocations() { + + } + + @Override + public void resetScripts() { + if (mScript != null) { + mScript.destroy(); + mScript = null; + } + } + @Override + protected void createFilter(android.content.res.Resources res, float scaleFactor, + int quality) { + createFilter(res, scaleFactor, quality, getInPixelsAllocation()); + } + + @Override + protected void createFilter(android.content.res.Resources res, float scaleFactor, + int quality, Allocation in) { + RenderScript rsCtx = getRenderScriptContext(); + + Type.Builder tb_float = new Type.Builder(rsCtx, Element.F32_4(rsCtx)); + tb_float.setX(in.getType().getX()); + tb_float.setY(in.getType().getY()); + mScript = new ScriptC_grad(rsCtx, res, R.raw.grad); + } + + + private Bitmap getSourceBitmap() { + assert (mSourceBitmap != null); + return mSourceBitmap; + } + + @Override + public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) { + if (SIMPLE_ICONS && FilterEnvironment.QUALITY_ICON == quality) { + return bitmap; + } + + mSourceBitmap = bitmap; + Bitmap ret = super.apply(bitmap, scaleFactor, quality); + mSourceBitmap = null; + + return ret; + } + + @Override + protected void bindScriptValues() { + int width = getInPixelsAllocation().getType().getX(); + int height = getInPixelsAllocation().getType().getY(); + mScript.set_inputWidth(width); + mScript.set_inputHeight(height); + } + + @Override + protected void runFilter() { + int[] x1 = mParameters.getXPos1(); + int[] y1 = mParameters.getYPos1(); + int[] x2 = mParameters.getXPos2(); + int[] y2 = mParameters.getYPos2(); + + int width = getInPixelsAllocation().getType().getX(); + int height = getInPixelsAllocation().getType().getY(); + Matrix m = getOriginalToScreenMatrix(width, height); + float[] coord = new float[2]; + for (int i = 0; i < x1.length; i++) { + coord[0] = x1[i]; + coord[1] = y1[i]; + m.mapPoints(coord); + x1[i] = (int) coord[0]; + y1[i] = (int) coord[1]; + coord[0] = x2[i]; + coord[1] = y2[i]; + m.mapPoints(coord); + x2[i] = (int) coord[0]; + y2[i] = (int) coord[1]; + } + + mScript.set_mask(mParameters.getMask()); + mScript.set_xPos1(x1); + mScript.set_yPos1(y1); + mScript.set_xPos2(x2); + mScript.set_yPos2(y2); + + mScript.set_brightness(mParameters.getBrightness()); + mScript.set_contrast(mParameters.getContrast()); + mScript.set_saturation(mParameters.getSaturation()); + + mScript.invoke_setupGradParams(); + runSelectiveAdjust( + getInPixelsAllocation(), getOutPixelsAllocation()); + + } + + private void runSelectiveAdjust(Allocation in, Allocation out) { + int width = in.getType().getX(); + int height = in.getType().getY(); + + LaunchOptions options = new LaunchOptions(); + int ty; + options.setX(0, width); + + for (ty = 0; ty < height; ty += STRIP_SIZE) { + int endy = ty + STRIP_SIZE; + if (endy > height) { + endy = height; + } + options.setY(ty, endy); + mScript.forEach_selectiveAdjust(in, out, options); + if (checkStop()) { + return; + } + } + } + + private boolean checkStop() { + RenderScript rsCtx = getRenderScriptContext(); + rsCtx.finish(); + if (getEnvironment().needsStop()) { + return true; + } + return false; + } +} + |