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Diffstat (limited to 'src/com/android/gallery3d/filtershow/crop/CropObject.java')
-rw-r--r--src/com/android/gallery3d/filtershow/crop/CropObject.java330
1 files changed, 0 insertions, 330 deletions
diff --git a/src/com/android/gallery3d/filtershow/crop/CropObject.java b/src/com/android/gallery3d/filtershow/crop/CropObject.java
deleted file mode 100644
index b98ed1bfd..000000000
--- a/src/com/android/gallery3d/filtershow/crop/CropObject.java
+++ /dev/null
@@ -1,330 +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.graphics.Rect;
-import android.graphics.RectF;
-
-import com.android.gallery3d.filtershow.imageshow.GeometryMathUtils;
-
-public class CropObject {
- private BoundedRect mBoundedRect;
- private float mAspectWidth = 1;
- private float mAspectHeight = 1;
- private boolean mFixAspectRatio = false;
- private float mRotation = 0;
- private float mTouchTolerance = 45;
- private float mMinSideSize = 20;
-
- public static final int MOVE_NONE = 0;
- // Sides
- public static final int MOVE_LEFT = 1;
- public static final int MOVE_TOP = 2;
- public static final int MOVE_RIGHT = 4;
- public static final int MOVE_BOTTOM = 8;
- public static final int MOVE_BLOCK = 16;
-
- // Corners
- public static final int TOP_LEFT = MOVE_TOP | MOVE_LEFT;
- public static final int TOP_RIGHT = MOVE_TOP | MOVE_RIGHT;
- public static final int BOTTOM_RIGHT = MOVE_BOTTOM | MOVE_RIGHT;
- public static final int BOTTOM_LEFT = MOVE_BOTTOM | MOVE_LEFT;
-
- private int mMovingEdges = MOVE_NONE;
-
- public CropObject(Rect outerBound, Rect innerBound, int outerAngle) {
- mBoundedRect = new BoundedRect(outerAngle % 360, outerBound, innerBound);
- }
-
- public CropObject(RectF outerBound, RectF innerBound, int outerAngle) {
- mBoundedRect = new BoundedRect(outerAngle % 360, outerBound, innerBound);
- }
-
- public void resetBoundsTo(RectF inner, RectF outer) {
- mBoundedRect.resetTo(0, outer, inner);
- }
-
- public void getInnerBounds(RectF r) {
- mBoundedRect.setToInner(r);
- }
-
- public void getOuterBounds(RectF r) {
- mBoundedRect.setToOuter(r);
- }
-
- public RectF getInnerBounds() {
- return mBoundedRect.getInner();
- }
-
- public RectF getOuterBounds() {
- return mBoundedRect.getOuter();
- }
-
- public int getSelectState() {
- return mMovingEdges;
- }
-
- public boolean isFixedAspect() {
- return mFixAspectRatio;
- }
-
- public void rotateOuter(int angle) {
- mRotation = angle % 360;
- mBoundedRect.setRotation(mRotation);
- clearSelectState();
- }
-
- public boolean setInnerAspectRatio(float width, float height) {
- if (width <= 0 || height <= 0) {
- throw new IllegalArgumentException("Width and Height must be greater than zero");
- }
- RectF inner = mBoundedRect.getInner();
- CropMath.fixAspectRatioContained(inner, width, height);
- if (inner.width() < mMinSideSize || inner.height() < mMinSideSize) {
- return false;
- }
- mAspectWidth = width;
- mAspectHeight = height;
- mFixAspectRatio = true;
- mBoundedRect.setInner(inner);
- clearSelectState();
- return true;
- }
-
- public void setTouchTolerance(float tolerance) {
- if (tolerance <= 0) {
- throw new IllegalArgumentException("Tolerance must be greater than zero");
- }
- mTouchTolerance = tolerance;
- }
-
- public void setMinInnerSideSize(float minSide) {
- if (minSide <= 0) {
- throw new IllegalArgumentException("Min dide must be greater than zero");
- }
- mMinSideSize = minSide;
- }
-
- public void unsetAspectRatio() {
- mFixAspectRatio = false;
- clearSelectState();
- }
-
- public boolean hasSelectedEdge() {
- return mMovingEdges != MOVE_NONE;
- }
-
- public static boolean checkCorner(int selected) {
- return selected == TOP_LEFT || selected == TOP_RIGHT || selected == BOTTOM_RIGHT
- || selected == BOTTOM_LEFT;
- }
-
- public static boolean checkEdge(int selected) {
- return selected == MOVE_LEFT || selected == MOVE_TOP || selected == MOVE_RIGHT
- || selected == MOVE_BOTTOM;
- }
-
- public static boolean checkBlock(int selected) {
- return selected == MOVE_BLOCK;
- }
-
- public static boolean checkValid(int selected) {
- return selected == MOVE_NONE || checkBlock(selected) || checkEdge(selected)
- || checkCorner(selected);
- }
-
- public void clearSelectState() {
- mMovingEdges = MOVE_NONE;
- }
-
- public int wouldSelectEdge(float x, float y) {
- int edgeSelected = calculateSelectedEdge(x, y);
- if (edgeSelected != MOVE_NONE && edgeSelected != MOVE_BLOCK) {
- return edgeSelected;
- }
- return MOVE_NONE;
- }
-
- public boolean selectEdge(int edge) {
- if (!checkValid(edge)) {
- // temporary
- throw new IllegalArgumentException("bad edge selected");
- // return false;
- }
- if ((mFixAspectRatio && !checkCorner(edge)) && !checkBlock(edge) && edge != MOVE_NONE) {
- // temporary
- throw new IllegalArgumentException("bad corner selected");
- // return false;
- }
- mMovingEdges = edge;
- return true;
- }
-
- public boolean selectEdge(float x, float y) {
- int edgeSelected = calculateSelectedEdge(x, y);
- if (mFixAspectRatio) {
- edgeSelected = fixEdgeToCorner(edgeSelected);
- }
- if (edgeSelected == MOVE_NONE) {
- return false;
- }
- return selectEdge(edgeSelected);
- }
-
- public boolean moveCurrentSelection(float dX, float dY) {
- if (mMovingEdges == MOVE_NONE) {
- return false;
- }
- RectF crop = mBoundedRect.getInner();
-
- float minWidthHeight = mMinSideSize;
-
- int movingEdges = mMovingEdges;
- if (movingEdges == MOVE_BLOCK) {
- mBoundedRect.moveInner(dX, dY);
- return true;
- } else {
- float dx = 0;
- float dy = 0;
-
- if ((movingEdges & MOVE_LEFT) != 0) {
- dx = Math.min(crop.left + dX, crop.right - minWidthHeight) - crop.left;
- }
- if ((movingEdges & MOVE_TOP) != 0) {
- dy = Math.min(crop.top + dY, crop.bottom - minWidthHeight) - crop.top;
- }
- if ((movingEdges & MOVE_RIGHT) != 0) {
- dx = Math.max(crop.right + dX, crop.left + minWidthHeight)
- - crop.right;
- }
- if ((movingEdges & MOVE_BOTTOM) != 0) {
- dy = Math.max(crop.bottom + dY, crop.top + minWidthHeight)
- - crop.bottom;
- }
-
- if (mFixAspectRatio) {
- float[] l1 = {
- crop.left, crop.bottom
- };
- float[] l2 = {
- crop.right, crop.top
- };
- if (movingEdges == TOP_LEFT || movingEdges == BOTTOM_RIGHT) {
- l1[1] = crop.top;
- l2[1] = crop.bottom;
- }
- float[] b = {
- l1[0] - l2[0], l1[1] - l2[1]
- };
- float[] disp = {
- dx, dy
- };
- float[] bUnit = GeometryMathUtils.normalize(b);
- float sp = GeometryMathUtils.scalarProjection(disp, bUnit);
- dx = sp * bUnit[0];
- dy = sp * bUnit[1];
- RectF newCrop = fixedCornerResize(crop, movingEdges, dx, dy);
-
- mBoundedRect.fixedAspectResizeInner(newCrop);
- } else {
- if ((movingEdges & MOVE_LEFT) != 0) {
- crop.left += dx;
- }
- if ((movingEdges & MOVE_TOP) != 0) {
- crop.top += dy;
- }
- if ((movingEdges & MOVE_RIGHT) != 0) {
- crop.right += dx;
- }
- if ((movingEdges & MOVE_BOTTOM) != 0) {
- crop.bottom += dy;
- }
- mBoundedRect.resizeInner(crop);
- }
- }
- return true;
- }
-
- // Helper methods
-
- private int calculateSelectedEdge(float x, float y) {
- RectF cropped = mBoundedRect.getInner();
-
- float left = Math.abs(x - cropped.left);
- float right = Math.abs(x - cropped.right);
- float top = Math.abs(y - cropped.top);
- float bottom = Math.abs(y - cropped.bottom);
-
- int edgeSelected = MOVE_NONE;
- // Check left or right.
- if ((left <= mTouchTolerance) && ((y + mTouchTolerance) >= cropped.top)
- && ((y - mTouchTolerance) <= cropped.bottom) && (left < right)) {
- edgeSelected |= MOVE_LEFT;
- }
- else if ((right <= mTouchTolerance) && ((y + mTouchTolerance) >= cropped.top)
- && ((y - mTouchTolerance) <= cropped.bottom)) {
- edgeSelected |= MOVE_RIGHT;
- }
-
- // Check top or bottom.
- if ((top <= mTouchTolerance) && ((x + mTouchTolerance) >= cropped.left)
- && ((x - mTouchTolerance) <= cropped.right) && (top < bottom)) {
- edgeSelected |= MOVE_TOP;
- }
- else if ((bottom <= mTouchTolerance) && ((x + mTouchTolerance) >= cropped.left)
- && ((x - mTouchTolerance) <= cropped.right)) {
- edgeSelected |= MOVE_BOTTOM;
- }
- return edgeSelected;
- }
-
- private static RectF fixedCornerResize(RectF r, int moving_corner, float dx, float dy) {
- RectF newCrop = null;
- // Fix opposite corner in place and move sides
- if (moving_corner == BOTTOM_RIGHT) {
- newCrop = new RectF(r.left, r.top, r.left + r.width() + dx, r.top + r.height()
- + dy);
- } else if (moving_corner == BOTTOM_LEFT) {
- newCrop = new RectF(r.right - r.width() + dx, r.top, r.right, r.top + r.height()
- + dy);
- } else if (moving_corner == TOP_LEFT) {
- newCrop = new RectF(r.right - r.width() + dx, r.bottom - r.height() + dy,
- r.right, r.bottom);
- } else if (moving_corner == TOP_RIGHT) {
- newCrop = new RectF(r.left, r.bottom - r.height() + dy, r.left
- + r.width() + dx, r.bottom);
- }
- return newCrop;
- }
-
- private static int fixEdgeToCorner(int moving_edges) {
- if (moving_edges == MOVE_LEFT) {
- moving_edges |= MOVE_TOP;
- }
- if (moving_edges == MOVE_TOP) {
- moving_edges |= MOVE_LEFT;
- }
- if (moving_edges == MOVE_RIGHT) {
- moving_edges |= MOVE_BOTTOM;
- }
- if (moving_edges == MOVE_BOTTOM) {
- moving_edges |= MOVE_RIGHT;
- }
- return moving_edges;
- }
-
-}
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