diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/crop/CropView.java')
| -rw-r--r-- | src/com/android/gallery3d/filtershow/crop/CropView.java | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/src/com/android/gallery3d/filtershow/crop/CropView.java b/src/com/android/gallery3d/filtershow/crop/CropView.java deleted file mode 100644 index bbb7cfd4c..000000000 --- a/src/com/android/gallery3d/filtershow/crop/CropView.java +++ /dev/null @@ -1,378 +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.crop; - -import android.content.Context; -import android.content.res.Resources; -import android.graphics.Bitmap; -import android.graphics.Canvas; -import android.graphics.DashPathEffect; -import android.graphics.Matrix; -import android.graphics.Paint; -import android.graphics.Rect; -import android.graphics.RectF; -import android.graphics.drawable.Drawable; -import android.graphics.drawable.NinePatchDrawable; -import android.util.AttributeSet; -import android.util.Log; -import android.view.MotionEvent; -import android.view.View; - -import com.android.gallery3d.R; - - -public class CropView extends View { - private static final String LOGTAG = "CropView"; - - private RectF mImageBounds = new RectF(); - private RectF mScreenBounds = new RectF(); - private RectF mScreenImageBounds = new RectF(); - private RectF mScreenCropBounds = new RectF(); - private Rect mShadowBounds = new Rect(); - - private Bitmap mBitmap; - private Paint mPaint = new Paint(); - - private NinePatchDrawable mShadow; - private CropObject mCropObj = null; - private Drawable mCropIndicator; - private int mIndicatorSize; - private int mRotation = 0; - private boolean mMovingBlock = false; - private Matrix mDisplayMatrix = null; - private Matrix mDisplayMatrixInverse = null; - private boolean mDirty = false; - - private float mPrevX = 0; - private float mPrevY = 0; - private float mSpotX = 0; - private float mSpotY = 0; - private boolean mDoSpot = false; - - private int mShadowMargin = 15; - private int mMargin = 32; - private int mOverlayShadowColor = 0xCF000000; - private int mOverlayWPShadowColor = 0x5F000000; - private int mWPMarkerColor = 0x7FFFFFFF; - private int mMinSideSize = 90; - private int mTouchTolerance = 40; - private float mDashOnLength = 20; - private float mDashOffLength = 10; - - private enum Mode { - NONE, MOVE - } - - private Mode mState = Mode.NONE; - - public CropView(Context context) { - super(context); - setup(context); - } - - public CropView(Context context, AttributeSet attrs) { - super(context, attrs); - setup(context); - } - - public CropView(Context context, AttributeSet attrs, int defStyle) { - super(context, attrs, defStyle); - setup(context); - } - - private void setup(Context context) { - Resources rsc = context.getResources(); - mShadow = (NinePatchDrawable) rsc.getDrawable(R.drawable.geometry_shadow); - mCropIndicator = rsc.getDrawable(R.drawable.camera_crop); - mIndicatorSize = (int) rsc.getDimension(R.dimen.crop_indicator_size); - mShadowMargin = (int) rsc.getDimension(R.dimen.shadow_margin); - mMargin = (int) rsc.getDimension(R.dimen.preview_margin); - mMinSideSize = (int) rsc.getDimension(R.dimen.crop_min_side); - mTouchTolerance = (int) rsc.getDimension(R.dimen.crop_touch_tolerance); - mOverlayShadowColor = (int) rsc.getColor(R.color.crop_shadow_color); - mOverlayWPShadowColor = (int) rsc.getColor(R.color.crop_shadow_wp_color); - mWPMarkerColor = (int) rsc.getColor(R.color.crop_wp_markers); - mDashOnLength = rsc.getDimension(R.dimen.wp_selector_dash_length); - mDashOffLength = rsc.getDimension(R.dimen.wp_selector_off_length); - } - - public void initialize(Bitmap image, RectF newCropBounds, RectF newPhotoBounds, int rotation) { - mBitmap = image; - if (mCropObj != null) { - RectF crop = mCropObj.getInnerBounds(); - RectF containing = mCropObj.getOuterBounds(); - if (crop != newCropBounds || containing != newPhotoBounds - || mRotation != rotation) { - mRotation = rotation; - mCropObj.resetBoundsTo(newCropBounds, newPhotoBounds); - clearDisplay(); - } - } else { - mRotation = rotation; - mCropObj = new CropObject(newPhotoBounds, newCropBounds, 0); - clearDisplay(); - } - } - - public RectF getCrop() { - return mCropObj.getInnerBounds(); - } - - public RectF getPhoto() { - return mCropObj.getOuterBounds(); - } - - @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; - } - 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 reset() { - Log.w(LOGTAG, "crop reset called"); - mState = Mode.NONE; - mCropObj = null; - mRotation = 0; - mMovingBlock = false; - clearDisplay(); - } - - private void clearDisplay() { - mDisplayMatrix = null; - mDisplayMatrixInverse = null; - invalidate(); - } - - protected void configChanged() { - mDirty = true; - } - - 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); - } else { - Log.w(LOGTAG, "failed to set aspect ratio original"); - } - } - - public void applySquareAspect() { - applyAspect(1, 1); - } - - 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 (((mRotation < 0) ? -mRotation : mRotation) % 180 == 90) { - float tmp = x; - x = y; - y = tmp; - } - if (!mCropObj.setInnerAspectRatio(x, y)) { - Log.w(LOGTAG, "failed to set aspect ratio"); - } - invalidate(); - } - - public void setWallpaperSpotlight(float spotlightX, float spotlightY) { - mSpotX = spotlightX; - mSpotY = spotlightY; - if (mSpotX > 0 && mSpotY > 0) { - mDoSpot = true; - } - } - - public void unsetWallpaperSpotlight() { - mDoSpot = false; - } - - /** - * 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; - } - } - - @Override - public void onDraw(Canvas canvas) { - if (mBitmap == null) { - return; - } - if (mDirty) { - mDirty = false; - clearDisplay(); - } - - mImageBounds = new RectF(0, 0, mBitmap.getWidth(), mBitmap.getHeight()); - mScreenBounds = new RectF(0, 0, canvas.getWidth(), canvas.getHeight()); - mScreenBounds.inset(mMargin, mMargin); - - // If crop object doesn't exist, create it and update it from master - // state - if (mCropObj == null) { - reset(); - mCropObj = new CropObject(mImageBounds, mImageBounds, 0); - } - - // If display matrix doesn't exist, create it and its dependencies - if (mDisplayMatrix == null || mDisplayMatrixInverse == null) { - mDisplayMatrix = new Matrix(); - mDisplayMatrix.reset(); - if (!CropDrawingUtils.setImageToScreenMatrix(mDisplayMatrix, mImageBounds, mScreenBounds, - mRotation)) { - Log.w(LOGTAG, "failed to get screen matrix"); - mDisplayMatrix = null; - return; - } - mDisplayMatrixInverse = new Matrix(); - mDisplayMatrixInverse.reset(); - if (!mDisplayMatrix.invert(mDisplayMatrixInverse)) { - Log.w(LOGTAG, "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)); - } - - mScreenImageBounds.set(mImageBounds); - - // Draw background shadow - if (mDisplayMatrix.mapRect(mScreenImageBounds)) { - int margin = (int) mDisplayMatrix.mapRadius(mShadowMargin); - mScreenImageBounds.roundOut(mShadowBounds); - mShadowBounds.set(mShadowBounds.left - margin, mShadowBounds.top - - margin, mShadowBounds.right + margin, mShadowBounds.bottom + margin); - mShadow.setBounds(mShadowBounds); - mShadow.draw(canvas); - } - - mPaint.setAntiAlias(true); - mPaint.setFilterBitmap(true); - // Draw actual bitmap - canvas.drawBitmap(mBitmap, mDisplayMatrix, mPaint); - - mCropObj.getInnerBounds(mScreenCropBounds); - - if (mDisplayMatrix.mapRect(mScreenCropBounds)) { - - // Draw overlay shadows - Paint p = new Paint(); - p.setColor(mOverlayShadowColor); - p.setStyle(Paint.Style.FILL); - CropDrawingUtils.drawShadows(canvas, p, mScreenCropBounds, mScreenImageBounds); - - // Draw crop rect and markers - CropDrawingUtils.drawCropRect(canvas, mScreenCropBounds); - if (!mDoSpot) { - CropDrawingUtils.drawRuleOfThird(canvas, mScreenCropBounds); - } else { - Paint wpPaint = new Paint(); - wpPaint.setColor(mWPMarkerColor); - wpPaint.setStrokeWidth(3); - wpPaint.setStyle(Paint.Style.STROKE); - wpPaint.setPathEffect(new DashPathEffect(new float[] - {mDashOnLength, mDashOnLength + mDashOffLength}, 0)); - p.setColor(mOverlayWPShadowColor); - CropDrawingUtils.drawWallpaperSelectionFrame(canvas, mScreenCropBounds, - mSpotX, mSpotY, wpPaint, p); - } - CropDrawingUtils.drawIndicators(canvas, mCropIndicator, mIndicatorSize, - mScreenCropBounds, mCropObj.isFixedAspect(), decode(mCropObj.getSelectState(), mRotation)); - } - - } -} |