diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/imageshow/ImageCrop.java')
| -rw-r--r-- | src/com/android/gallery3d/filtershow/imageshow/ImageCrop.java | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/src/com/android/gallery3d/filtershow/imageshow/ImageCrop.java b/src/com/android/gallery3d/filtershow/imageshow/ImageCrop.java deleted file mode 100644 index 7fee03188..000000000 --- a/src/com/android/gallery3d/filtershow/imageshow/ImageCrop.java +++ /dev/null @@ -1,307 +0,0 @@ -/* - * 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.imageshow; - -import android.content.Context; -import android.content.res.Resources; -import android.graphics.Bitmap; -import android.graphics.Canvas; -import android.graphics.Matrix; -import android.graphics.Paint; -import android.graphics.RectF; -import android.graphics.drawable.Drawable; -import android.util.AttributeSet; -import android.util.Log; -import android.view.MotionEvent; - -import com.android.gallery3d.R; -import com.android.gallery3d.filtershow.crop.CropDrawingUtils; -import com.android.gallery3d.filtershow.crop.CropMath; -import com.android.gallery3d.filtershow.crop.CropObject; -import com.android.gallery3d.filtershow.editors.EditorCrop; -import com.android.gallery3d.filtershow.filters.FilterCropRepresentation; -import com.android.gallery3d.filtershow.imageshow.GeometryMathUtils.GeometryHolder; - -public class ImageCrop extends ImageShow { - private static final String TAG = ImageCrop.class.getSimpleName(); - private RectF mImageBounds = new RectF(); - private RectF mScreenCropBounds = new RectF(); - private Paint mPaint = new Paint(); - private CropObject mCropObj = null; - private GeometryHolder mGeometry = new GeometryHolder(); - private GeometryHolder mUpdateHolder = new GeometryHolder(); - private Drawable mCropIndicator; - private int mIndicatorSize; - private boolean mMovingBlock = false; - private Matrix mDisplayMatrix = null; - private Matrix mDisplayCropMatrix = null; - private Matrix mDisplayMatrixInverse = null; - private float mPrevX = 0; - private float mPrevY = 0; - private int mMinSideSize = 90; - private int mTouchTolerance = 40; - private enum Mode { - NONE, MOVE - } - private Mode mState = Mode.NONE; - private boolean mValidDraw = false; - FilterCropRepresentation mLocalRep = new FilterCropRepresentation(); - EditorCrop mEditorCrop; - - public ImageCrop(Context context) { - super(context); - setup(context); - } - - public ImageCrop(Context context, AttributeSet attrs) { - super(context, attrs); - setup(context); - } - - public ImageCrop(Context context, AttributeSet attrs, int defStyle) { - super(context, attrs, defStyle); - setup(context); - } - - private void setup(Context context) { - Resources rsc = context.getResources(); - mCropIndicator = rsc.getDrawable(R.drawable.camera_crop); - mIndicatorSize = (int) rsc.getDimension(R.dimen.crop_indicator_size); - mMinSideSize = (int) rsc.getDimension(R.dimen.crop_min_side); - mTouchTolerance = (int) rsc.getDimension(R.dimen.crop_touch_tolerance); - } - - public void setFilterCropRepresentation(FilterCropRepresentation crop) { - mLocalRep = (crop == null) ? new FilterCropRepresentation() : crop; - GeometryMathUtils.initializeHolder(mUpdateHolder, mLocalRep); - mValidDraw = true; - } - - public FilterCropRepresentation getFinalRepresentation() { - return mLocalRep; - } - - private void internallyUpdateLocalRep(RectF crop, RectF image) { - FilterCropRepresentation - .findNormalizedCrop(crop, (int) image.width(), (int) image.height()); - mGeometry.crop.set(crop); - mUpdateHolder.set(mGeometry); - mLocalRep.setCrop(crop); - } - - @Override - public boolean onTouchEvent(MotionEvent event) { - float x = event.getX(); - float y = event.getY(); - if (mDisplayMatrix == null || mDisplayMatrixInverse == null) { - return true; - } - float[] touchPoint = { - x, y - }; - mDisplayMatrixInverse.mapPoints(touchPoint); - x = touchPoint[0]; - y = touchPoint[1]; - switch (event.getActionMasked()) { - case (MotionEvent.ACTION_DOWN): - if (mState == Mode.NONE) { - if (!mCropObj.selectEdge(x, y)) { - mMovingBlock = mCropObj.selectEdge(CropObject.MOVE_BLOCK); - } - mPrevX = x; - mPrevY = y; - mState = Mode.MOVE; - } - break; - case (MotionEvent.ACTION_UP): - if (mState == Mode.MOVE) { - mCropObj.selectEdge(CropObject.MOVE_NONE); - mMovingBlock = false; - mPrevX = x; - mPrevY = y; - mState = Mode.NONE; - internallyUpdateLocalRep(mCropObj.getInnerBounds(), mCropObj.getOuterBounds()); - } - break; - case (MotionEvent.ACTION_MOVE): - if (mState == Mode.MOVE) { - float dx = x - mPrevX; - float dy = y - mPrevY; - mCropObj.moveCurrentSelection(dx, dy); - mPrevX = x; - mPrevY = y; - } - break; - default: - break; - } - invalidate(); - return true; - } - - private void clearDisplay() { - mDisplayMatrix = null; - mDisplayMatrixInverse = null; - invalidate(); - } - - public void applyFreeAspect() { - mCropObj.unsetAspectRatio(); - invalidate(); - } - - public void applyOriginalAspect() { - RectF outer = mCropObj.getOuterBounds(); - float w = outer.width(); - float h = outer.height(); - if (w > 0 && h > 0) { - applyAspect(w, h); - mCropObj.resetBoundsTo(outer, outer); - internallyUpdateLocalRep(mCropObj.getInnerBounds(), mCropObj.getOuterBounds()); - } else { - Log.w(TAG, "failed to set aspect ratio original"); - } - invalidate(); - } - - public void applyAspect(float x, float y) { - if (x <= 0 || y <= 0) { - throw new IllegalArgumentException("Bad arguments to applyAspect"); - } - // If we are rotated by 90 degrees from horizontal, swap x and y - if (GeometryMathUtils.needsDimensionSwap(mGeometry.rotation)) { - float tmp = x; - x = y; - y = tmp; - } - if (!mCropObj.setInnerAspectRatio(x, y)) { - Log.w(TAG, "failed to set aspect ratio"); - } - internallyUpdateLocalRep(mCropObj.getInnerBounds(), mCropObj.getOuterBounds()); - invalidate(); - } - - /** - * Rotates first d bits in integer x to the left some number of times. - */ - private int bitCycleLeft(int x, int times, int d) { - int mask = (1 << d) - 1; - int mout = x & mask; - times %= d; - int hi = mout >> (d - times); - int low = (mout << times) & mask; - int ret = x & ~mask; - ret |= low; - ret |= hi; - return ret; - } - - /** - * Find the selected edge or corner in screen coordinates. - */ - private int decode(int movingEdges, float rotation) { - int rot = CropMath.constrainedRotation(rotation); - switch (rot) { - case 90: - return bitCycleLeft(movingEdges, 1, 4); - case 180: - return bitCycleLeft(movingEdges, 2, 4); - case 270: - return bitCycleLeft(movingEdges, 3, 4); - default: - return movingEdges; - } - } - - private void forceStateConsistency() { - MasterImage master = MasterImage.getImage(); - Bitmap image = master.getFiltersOnlyImage(); - int width = image.getWidth(); - int height = image.getHeight(); - if (mCropObj == null || !mUpdateHolder.equals(mGeometry) - || mImageBounds.width() != width || mImageBounds.height() != height - || !mLocalRep.getCrop().equals(mUpdateHolder.crop)) { - mImageBounds.set(0, 0, width, height); - mGeometry.set(mUpdateHolder); - mLocalRep.setCrop(mUpdateHolder.crop); - RectF scaledCrop = new RectF(mUpdateHolder.crop); - FilterCropRepresentation.findScaledCrop(scaledCrop, width, height); - mCropObj = new CropObject(mImageBounds, scaledCrop, (int) mUpdateHolder.straighten); - mState = Mode.NONE; - clearDisplay(); - } - } - - @Override - protected void onSizeChanged(int w, int h, int oldw, int oldh) { - super.onSizeChanged(w, h, oldw, oldh); - clearDisplay(); - } - - @Override - public void onDraw(Canvas canvas) { - Bitmap bitmap = MasterImage.getImage().getFiltersOnlyImage(); - if (!mValidDraw || bitmap == null) { - return; - } - forceStateConsistency(); - mImageBounds.set(0, 0, bitmap.getWidth(), bitmap.getHeight()); - // If display matrix doesn't exist, create it and its dependencies - if (mDisplayCropMatrix == null || mDisplayMatrix == null || mDisplayMatrixInverse == null) { - mDisplayMatrix = GeometryMathUtils.getFullGeometryToScreenMatrix(mGeometry, - bitmap.getWidth(), bitmap.getHeight(), canvas.getWidth(), canvas.getHeight()); - float straighten = mGeometry.straighten; - mGeometry.straighten = 0; - mDisplayCropMatrix = GeometryMathUtils.getFullGeometryToScreenMatrix(mGeometry, - bitmap.getWidth(), bitmap.getHeight(), canvas.getWidth(), canvas.getHeight()); - mGeometry.straighten = straighten; - mDisplayMatrixInverse = new Matrix(); - mDisplayMatrixInverse.reset(); - if (!mDisplayCropMatrix.invert(mDisplayMatrixInverse)) { - Log.w(TAG, "could not invert display matrix"); - mDisplayMatrixInverse = null; - return; - } - // Scale min side and tolerance by display matrix scale factor - mCropObj.setMinInnerSideSize(mDisplayMatrixInverse.mapRadius(mMinSideSize)); - mCropObj.setTouchTolerance(mDisplayMatrixInverse.mapRadius(mTouchTolerance)); - } - // Draw actual bitmap - mPaint.reset(); - mPaint.setAntiAlias(true); - mPaint.setFilterBitmap(true); - canvas.drawBitmap(bitmap, mDisplayMatrix, mPaint); - mCropObj.getInnerBounds(mScreenCropBounds); - RectF outer = mCropObj.getOuterBounds(); - FilterCropRepresentation.findNormalizedCrop(mScreenCropBounds, (int) outer.width(), - (int) outer.height()); - FilterCropRepresentation.findScaledCrop(mScreenCropBounds, bitmap.getWidth(), - bitmap.getHeight()); - if (mDisplayCropMatrix.mapRect(mScreenCropBounds)) { - // Draw crop rect and markers - CropDrawingUtils.drawCropRect(canvas, mScreenCropBounds); - CropDrawingUtils.drawRuleOfThird(canvas, mScreenCropBounds); - CropDrawingUtils.drawIndicators(canvas, mCropIndicator, mIndicatorSize, - mScreenCropBounds, mCropObj.isFixedAspect(), - decode(mCropObj.getSelectState(), mGeometry.rotation.value())); - } - } - - public void setEditor(EditorCrop editorCrop) { - mEditorCrop = editorCrop; - } -} |