package hong.specialEffects.wight;
import hong.specialEffects.R;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Paint.Cap;
import android.graphics.Path;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
public class NinePointView extends View {
Paint linePaint = new Paint();
Paint textPaint = new Paint();
Path path = new Path();
// 鐢变簬涓や釜鍥剧墖閮芥槸姝ｆ柟褰紝鎵�互鑾峰彇涓�釜闀垮害灏辫浜�
Bitmap defaultBitmap = BitmapFactory.decodeResource(getResources(),R.drawable.lock);
int defaultBitmapRadius = defaultBitmap.getWidth() / 2;
// 鍒濆鍖栬閫変腑鍥剧墖鐨勭洿寰勩�鍗婂緞
Bitmap selectedBitmap = BitmapFactory.decodeResource(getResources(),
R.drawable.indicator_lock_area);
int selectedBitmapDiameter = selectedBitmap.getWidth();
int selectedBitmapRadius = selectedBitmapDiameter / 2;
// 鍒濆鍖栨寚绀哄櫒鐨勫浘鐗�
Bitmap indicateBitmap = BitmapFactory.decodeResource(getResources(),
R.drawable.indicator_lock_area_next);
Bitmap tempBitmap = null;
// 瀹氫箟濂�涓偣鐨勬暟缁�
PointInfo[] points = new PointInfo[9];
// 灞忓箷鐨勫楂�
int width, height;
// 褰揂CTION_MOVE鏃惰幏鍙栫殑X锛孻鍧愭爣
int moveX, moveY;
// 鏄惁鍙戠敓ACTION_UP
boolean isUp = false;
// 鏈�粓鐢熸垚鐨勭敤鎴烽攣搴忓垪
StringBuffer lockString = new StringBuffer();
Matrix matrix = new Matrix();
public NinePointView(Context context) {
super(context);
this.setBackgroundColor(Color.WHITE);
initLinePaint(linePaint);
initTextPaint(textPaint);
}
public NinePointView(Context context, AttributeSet attrs) {
super(context, attrs);
this.setBackgroundColor(Color.WHITE);
initLinePaint(linePaint);
initTextPaint(textPaint);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
width = getWidth();
height = getHeight();
if (width != 0 && height != 0) {
initPoints(points);
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right,
int bottom) {
super.onLayout(changed, left, top, right, bottom);
}
private int startX = 0, startY = 0;
@Override
protected void onDraw(Canvas canvas) {
canvas.drawText("鐢ㄦ埛鐨勬粦鍔ㄩ『搴忥細" + lockString, 0, 40, textPaint);
if (moveX != 0 && moveY != 0 && startX != 0 && startY != 0) {
// 缁樺埗褰撳墠娲诲姩鐨勭嚎娈�
canvas.drawLine(startX, startY, moveX, moveY, linePaint);
}
drawNinePoint(canvas, linePaint);
super.onDraw(canvas);
}
// 璁颁綇锛岃繖涓狣OWN鍜孧OVE銆乁P鏄垚瀵圭殑锛屽鏋滄病浠嶶P閲婃斁锛屽氨涓嶄細鍐嶈幏寰桪OWN锛� // 鑰岃幏寰桪OWN鏃讹紝涓�畾瑕佺‘璁ゆ秷璐硅浜嬩欢锛屽惁鍒橫OVE鍜孶P涓嶄細琚繖涓猇IEW鐨刼nTouchEvent鎺ユ敹
@Override
public boolean onTouchEvent(MotionEvent event) {
boolean flag = true;
if (isUp) {// 濡傛灉宸叉粦瀹岋紝鍒欐妸鏁翠釜Canvas閲嶇疆
finishDraw();
// 褰揢P鍚庯紝瑕佽繑鍥瀎alse锛屾妸浜嬩欢閲婃斁缁欑郴缁燂紝鍚﹀垯鏃犳硶鑾峰緱Down浜嬩欢
flag = false;
} else {// 娌℃粦瀹岋紝鍒欑户缁粯鍒�
handlingEvent(event);
// 杩欓噷瑕佽繑鍥瀟rue锛屽惁鍒欎唬琛ㄨView涓嶆秷鑰楁浜嬩欢锛屼氦缁欑郴缁熷鐞嗭紝鍒欎笉浼氬啀鏀跺埌MOVE鍜孶P浜嬩欢
flag = true;
}
return flag;
}
private void handlingEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_MOVE:
moveX = (int) event.getX();
moveY = (int) event.getY();
for (PointInfo temp : points) {
if (temp.isInMyPlace(moveX, moveY) && temp.isNotSelected()) {
temp.setSelected(true);
startX = temp.getCenterX();
startY = temp.getCenterY();
int len = lockString.length();
if (len != 0) {
int preId = lockString.charAt(len - 1) - 48;
points[preId].setNextId(temp.getId());
}
lockString.append(temp.getId());
break;
}
}
invalidate(0, height - width, width, height);
break;
case MotionEvent.ACTION_DOWN:
int downX = (int) event.getX();
int downY = (int) event.getY();
for (PointInfo temp : points) {
if (temp.isInMyPlace(downX, downY)) {
temp.setSelected(true);
startX = temp.getCenterX();
startY = temp.getCenterY();
lockString.append(temp.getId());
break;
}
}
invalidate(0, height - width, width, height);
break;
case MotionEvent.ACTION_UP:
startX = startY = moveX = moveY = 0;
isUp = true;
invalidate();
break;
default:
break;
}
}
private void finishDraw() {
for (PointInfo temp : points) {
temp.setSelected(false);
temp.setNextId(temp.getId());
}
lockString.delete(0, lockString.length());
isUp = false;
invalidate();
}
private void initPoints(PointInfo[] points) {
int len = points.length;
int seletedSpacing = (width - selectedBitmapDiameter * 3) / 4;
// 琚�鎷╂椂鏄剧ず鍥剧墖鐨勫乏涓婅鍧愭爣
int seletedX = seletedSpacing;
int seletedY = height - width + seletedSpacing;
// 娌¤閫夋椂鍥剧墖鐨勫乏涓婅鍧愭爣
int defaultX = seletedX + selectedBitmapRadius - defaultBitmapRadius;
int defaultY = seletedY + selectedBitmapRadius - defaultBitmapRadius;
for (int i = 0; i < len; i++) {
if (i == 3 || i == 6) {
seletedX = seletedSpacing;
seletedY += selectedBitmapDiameter + seletedSpacing;
defaultX = seletedX + selectedBitmapRadius
- defaultBitmapRadius;
defaultY += selectedBitmapDiameter + seletedSpacing;
}
points[i] = new PointInfo(i, defaultX, defaultY, seletedX, seletedY);
seletedX += selectedBitmapDiameter + seletedSpacing;
defaultX += selectedBitmapDiameter + seletedSpacing;
}
}
private void initTextPaint(Paint paint) {
textPaint.setTextSize(30);
textPaint.setAntiAlias(true);
textPaint.setTypeface(Typeface.MONOSPACE);
}
/**
* 鍒濆鍖栫嚎鐢荤瑪
*
* @param paint
*/
private void initLinePaint(Paint paint) {
paint.setColor(Color.GRAY);
paint.setStrokeWidth(defaultBitmap.getWidth());
paint.setAntiAlias(true);
paint.setStrokeCap(Cap.ROUND);
}
/**
* 缁樺埗宸插畬鎴愮殑閮ㄥ垎
*
* @param canvas
*/
private void drawNinePoint(Canvas canvas, Paint paint) {
// 鍏堟妸鐢ㄦ埛鐢诲嚭鐨勭嚎缁樺埗濂�
for (PointInfo pointInfo : points) {
if (pointInfo.hasNextId()) {
int n = pointInfo.getNextId();
canvas.drawLine(pointInfo.getCenterX(), pointInfo.getCenterY(),
points[n].getCenterX(), points[n].getCenterY(), paint);
}
}
// 缁樺埗姣忎釜鐐圭殑鍥剧墖
for (PointInfo pointInfo : points) {
if (pointInfo.isSelected()) {
if (pointInfo.hasNextId()) {
matrix.reset();
int i = (int) Math.abs(Math.random() * 1000 - 640);
matrix.setRotate(i);
tempBitmap = Bitmap.createBitmap(indicateBitmap, 0, 0,
indicateBitmap.getWidth(),
indicateBitmap.getHeight(), matrix, false);
canvas.drawBitmap(tempBitmap, pointInfo.getSeletedX(),
pointInfo.getSeletedY(), paint);
} else {
canvas.drawBitmap(selectedBitmap, pointInfo.getSeletedX(),
pointInfo.getSeletedY(), paint);
}
}
canvas.drawBitmap(defaultBitmap, pointInfo.getDefaultX(),
pointInfo.getDefaultY(), paint);
}
}
private class PointInfo {
// 涓�釜鐐圭殑ID
private int id;
// 褰撳墠鐐规墍鎸囧悜鐨勪笅涓�釜鐐圭殑ID锛屽綋娌℃湁鏃朵负鑷繁ID
private int nextId;
// 鏄惁琚�涓�
private boolean selected;
// 榛樿鏃跺浘鐗囩殑宸︿笂瑙扻鍧愭爣
private int defaultX;
// 榛樿鏃跺浘鐗囩殑宸︿笂瑙扽鍧愭爣
private int defaultY;
// 琚�涓椂鍥剧墖鐨勫乏涓婅X鍧愭爣
private int seletedX;
// 琚�涓椂鍥剧墖鐨勫乏涓婅Y鍧愭爣
private int seletedY;
public PointInfo(int id, int defaultX, int defaultY, int seletedX,
int seletedY) {
this.id = id;
this.nextId = id;
this.defaultX = defaultX;
this.defaultY = defaultY;
this.seletedX = seletedX;
this.seletedY = seletedY;
}
public boolean isSelected() {
return selected;
}
public boolean isNotSelected() {
return !isSelected();
}
public void setSelected(boolean selected) {
this.selected = selected;
}
public int getId() {
return id;
}
public int getDefaultX() {
return defaultX;
}
public int getDefaultY() {
return defaultY;
}
public int getSeletedX() {
return seletedX;
}
public int getSeletedY() {
return seletedY;
}
public int getCenterX() {
return seletedX + selectedBitmapRadius;
}
public int getCenterY() {
return seletedY + selectedBitmapRadius;
}
public boolean hasNextId() {
return nextId != id;
}
public int getNextId() {
return nextId;
}
public void setNextId(int nextId) {
this.nextId = nextId;
}
/**
* 鍧愭爣(x,y)鏄惁鍦ㄥ綋鍓嶇偣鐨勮寖鍥村唴
*
* @param x
* @param y
* @return
*/
public boolean isInMyPlace(int x, int y) {
boolean inX = x > seletedX
&& x < (seletedX + selectedBitmapDiameter);
boolean inY = y > seletedY
&& y < (seletedY + selectedBitmapDiameter);
if (inX && inY) {
return true;
} else {
return false;
}
}
}
}