summaryrefslogtreecommitdiffstats
path: root/src/com/android/gallery3d/filtershow/imageshow/EclipseControl.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/com/android/gallery3d/filtershow/imageshow/EclipseControl.java')
-rw-r--r--src/com/android/gallery3d/filtershow/imageshow/EclipseControl.java302
1 files changed, 0 insertions, 302 deletions
diff --git a/src/com/android/gallery3d/filtershow/imageshow/EclipseControl.java b/src/com/android/gallery3d/filtershow/imageshow/EclipseControl.java
deleted file mode 100644
index 8ceb37599..000000000
--- a/src/com/android/gallery3d/filtershow/imageshow/EclipseControl.java
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- * 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.imageshow;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Matrix;
-import android.graphics.Paint;
-import android.graphics.RadialGradient;
-import android.graphics.RectF;
-import android.graphics.Shader;
-
-import com.android.gallery3d.R;
-
-public class EclipseControl {
- private float mCenterX = Float.NaN;
- private float mCenterY = 0;
- private float mRadiusX = 200;
- private float mRadiusY = 300;
- private static int MIN_TOUCH_DIST = 80;// should be a resource & in dips
-
- private float[] handlex = new float[9];
- private float[] handley = new float[9];
- private int mSliderColor;
- private int mCenterDotSize = 40;
- private float mDownX;
- private float mDownY;
- private float mDownCenterX;
- private float mDownCenterY;
- private float mDownRadiusX;
- private float mDownRadiusY;
- private Matrix mScrToImg;
-
- private boolean mShowReshapeHandles = true;
- public final static int HAN_CENTER = 0;
- public final static int HAN_NORTH = 7;
- public final static int HAN_NE = 8;
- public final static int HAN_EAST = 1;
- public final static int HAN_SE = 2;
- public final static int HAN_SOUTH = 3;
- public final static int HAN_SW = 4;
- public final static int HAN_WEST = 5;
- public final static int HAN_NW = 6;
-
- public EclipseControl(Context context) {
- mSliderColor = Color.WHITE;
- }
-
- public void setRadius(float x, float y) {
- mRadiusX = x;
- mRadiusY = y;
- }
-
- public void setCenter(float x, float y) {
- mCenterX = x;
- mCenterY = y;
- }
-
- public int getCloseHandle(float x, float y) {
- float min = Float.MAX_VALUE;
- int handle = -1;
- for (int i = 0; i < handlex.length; i++) {
- float dx = handlex[i] - x;
- float dy = handley[i] - y;
- float dist = dx * dx + dy * dy;
- if (dist < min) {
- min = dist;
- handle = i;
- }
- }
-
- if (min < MIN_TOUCH_DIST * MIN_TOUCH_DIST) {
- return handle;
- }
- for (int i = 0; i < handlex.length; i++) {
- float dx = handlex[i] - x;
- float dy = handley[i] - y;
- float dist = (float) Math.sqrt(dx * dx + dy * dy);
- }
-
- return -1;
- }
-
- public void setScrToImageMatrix(Matrix scrToImg) {
- mScrToImg = scrToImg;
- }
-
- public void actionDown(float x, float y, Oval oval) {
- float[] point = new float[] {
- x, y };
- mScrToImg.mapPoints(point);
- mDownX = point[0];
- mDownY = point[1];
- mDownCenterX = oval.getCenterX();
- mDownCenterY = oval.getCenterY();
- mDownRadiusX = oval.getRadiusX();
- mDownRadiusY = oval.getRadiusY();
- }
-
- public void actionMove(int handle, float x, float y, Oval oval) {
- float[] point = new float[] {
- x, y };
- mScrToImg.mapPoints(point);
- x = point[0];
- y = point[1];
-
- // Test if the matrix is swapping x and y
- point[0] = 0;
- point[1] = 1;
- mScrToImg.mapVectors(point);
- boolean swapxy = (point[0] > 0.0f);
-
- int sign = 1;
- switch (handle) {
- case HAN_CENTER:
- float ctrdx = mDownX - mDownCenterX;
- float ctrdy = mDownY - mDownCenterY;
- oval.setCenter(x - ctrdx, y - ctrdy);
- // setRepresentation(mVignetteRep);
- break;
- case HAN_NORTH:
- sign = -1;
- case HAN_SOUTH:
- if (swapxy) {
- float raddx = mDownRadiusY - Math.abs(mDownX - mDownCenterY);
- oval.setRadiusY(Math.abs(x - oval.getCenterY() + sign * raddx));
- } else {
- float raddy = mDownRadiusY - Math.abs(mDownY - mDownCenterY);
- oval.setRadiusY(Math.abs(y - oval.getCenterY() + sign * raddy));
- }
- break;
- case HAN_EAST:
- sign = -1;
- case HAN_WEST:
- if (swapxy) {
- float raddy = mDownRadiusX - Math.abs(mDownY - mDownCenterX);
- oval.setRadiusX(Math.abs(y - oval.getCenterX() + sign * raddy));
- } else {
- float raddx = mDownRadiusX - Math.abs(mDownX - mDownCenterX);
- oval.setRadiusX(Math.abs(x - oval.getCenterX() - sign * raddx));
- }
- break;
- case HAN_SE:
- case HAN_NE:
- case HAN_SW:
- case HAN_NW:
- float sin45 = (float) Math.sin(45);
- float dr = (mDownRadiusX + mDownRadiusY) * sin45;
- float ctr_dx = mDownX - mDownCenterX;
- float ctr_dy = mDownY - mDownCenterY;
- float downRad = Math.abs(ctr_dx) + Math.abs(ctr_dy) - dr;
- float rx = oval.getRadiusX();
- float ry = oval.getRadiusY();
- float r = (Math.abs(rx) + Math.abs(ry)) * sin45;
- float dx = x - oval.getCenterX();
- float dy = y - oval.getCenterY();
- float nr = Math.abs(Math.abs(dx) + Math.abs(dy) - downRad);
- oval.setRadius(rx * nr / r, ry * nr / r);
-
- break;
- }
- }
-
- public void paintGrayPoint(Canvas canvas, float x, float y) {
- if (x == Float.NaN) {
- return;
- }
-
- Paint paint = new Paint();
-
- paint.setStyle(Paint.Style.FILL);
- paint.setColor(Color.BLUE);
- int[] colors3 = new int[] {
- Color.GRAY, Color.LTGRAY, 0x66000000, 0 };
- RadialGradient g = new RadialGradient(x, y, mCenterDotSize, colors3, new float[] {
- 0, .3f, .31f, 1 }, Shader.TileMode.CLAMP);
- paint.setShader(g);
- canvas.drawCircle(x, y, mCenterDotSize, paint);
- }
-
- public void paintPoint(Canvas canvas, float x, float y) {
- if (x == Float.NaN) {
- return;
- }
-
- Paint paint = new Paint();
-
- paint.setStyle(Paint.Style.FILL);
- paint.setColor(Color.BLUE);
- int[] colors3 = new int[] {
- mSliderColor, mSliderColor, 0x66000000, 0 };
- RadialGradient g = new RadialGradient(x, y, mCenterDotSize, colors3, new float[] {
- 0, .3f, .31f, 1 }, Shader.TileMode.CLAMP);
- paint.setShader(g);
- canvas.drawCircle(x, y, mCenterDotSize, paint);
- }
-
- void paintRadius(Canvas canvas, float cx, float cy, float rx, float ry) {
- if (cx == Float.NaN) {
- return;
- }
- int mSliderColor = 0xFF33B5E5;
- Paint paint = new Paint();
- RectF rect = new RectF(cx - rx, cy - ry, cx + rx, cy + ry);
- paint.setAntiAlias(true);
- paint.setStyle(Paint.Style.STROKE);
- paint.setStrokeWidth(6);
- paint.setColor(Color.BLACK);
- paintOvallines(canvas, rect, paint, cx, cy, rx, ry);
-
- paint.setStrokeWidth(3);
- paint.setColor(Color.WHITE);
- paintOvallines(canvas, rect, paint, cx, cy, rx, ry);
- }
-
- public void paintOvallines(
- Canvas canvas, RectF rect, Paint paint, float cx, float cy, float rx, float ry) {
- canvas.drawOval(rect, paint);
- float da = 4;
- float arclen = da + da;
- if (mShowReshapeHandles) {
- paint.setStyle(Paint.Style.STROKE);
-
- for (int i = 0; i < 361; i += 90) {
- float dx = rx + 10;
- float dy = ry + 10;
- rect.left = cx - dx;
- rect.top = cy - dy;
- rect.right = cx + dx;
- rect.bottom = cy + dy;
- canvas.drawArc(rect, i - da, arclen, false, paint);
- dx = rx - 10;
- dy = ry - 10;
- rect.left = cx - dx;
- rect.top = cy - dy;
- rect.right = cx + dx;
- rect.bottom = cy + dy;
- canvas.drawArc(rect, i - da, arclen, false, paint);
- }
- }
- da *= 2;
- paint.setStyle(Paint.Style.FILL);
-
- for (int i = 45; i < 361; i += 90) {
- double angle = Math.PI * i / 180.;
- float x = cx + (float) (rx * Math.cos(angle));
- float y = cy + (float) (ry * Math.sin(angle));
- canvas.drawRect(x - da, y - da, x + da, y + da, paint);
- }
- paint.setStyle(Paint.Style.STROKE);
- rect.left = cx - rx;
- rect.top = cy - ry;
- rect.right = cx + rx;
- rect.bottom = cy + ry;
- }
-
- public void fillHandles(Canvas canvas, float cx, float cy, float rx, float ry) {
- handlex[0] = cx;
- handley[0] = cy;
- int k = 1;
-
- for (int i = 0; i < 360; i += 45) {
- double angle = Math.PI * i / 180.;
-
- float x = cx + (float) (rx * Math.cos(angle));
- float y = cy + (float) (ry * Math.sin(angle));
- handlex[k] = x;
- handley[k] = y;
-
- k++;
- }
- }
-
- public void draw(Canvas canvas) {
- paintRadius(canvas, mCenterX, mCenterY, mRadiusX, mRadiusY);
- fillHandles(canvas, mCenterX, mCenterY, mRadiusX, mRadiusY);
- paintPoint(canvas, mCenterX, mCenterY);
- }
-
- public boolean isUndefined() {
- return Float.isNaN(mCenterX);
- }
-
- public void setShowReshapeHandles(boolean showReshapeHandles) {
- this.mShowReshapeHandles = showReshapeHandles;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 09:32:28 +0000