package cn.bidaround.youtui_template;
import java.io.File;
import java.io.FileOutputStream;
import android.annotation.SuppressLint;
import android.app.Activity;
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.Join;
import android.graphics.Paint.Style;
import android.graphics.Path;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.LinearLayout.LayoutParams;
import android.widget.PopupWindow;
import android.widget.PopupWindow.OnDismissListener;
import android.widget.Toast;
import cn.bidaround.youtui_template.ColorPickerView.OnColorSelectListener;
import cn.bidaround.youtui_template.ThicknessView.OnSelectListener;
import cn.bidaround.ytcore.data.ShareData;
import cn.bidaround.ytcore.data.YtPlatform;
import cn.bidaround.ytcore.util.Util;
/**
* 处理截屏图像
* @author youtui
* @since 14/7/10 2015/1/4优化
*
*/
public class ScreenCapEditActivity extends Activity implements OnClickListener, OnTouchListener, OnGlobalLayoutListener{
private ImageView imageView;
private Bitmap bitmap;
private Bitmap drawBit;
private Bitmap swapBit;
float downx = 0, downy = 0;
float rectx = 0, recty = 0;
private Canvas canvas;
private Paint paint = new Paint();
private int width, height;
// 画矩形为true， 画线为false
private boolean drawRect = false;
private Handler mHandler = new Handler();
public static String picPath = getSDCardPath() + "/youtui/yt_screen.png";
// 默认画细线
private int count = 0;
// 画矩形、画线的图形控件
private ImageView rectImage, lineImage;
// YtTemplate的显示类型
private int viewType;
private Path path = new Path();
private ShareData capdata;
private ShareData shareData;
// 当前的画笔颜色，默认为黑色
public static int currentColor = Color.BLACK ;
// 画笔颜色、粗细 控制的窗口
private PopupWindow pop ;
// 画笔粗细的控件
private ThicknessView thicknessView;
// 画笔颜色选择控件
private ColorPickerView colorView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
init();
}
@SuppressWarnings("deprecation")
private void init(){
setContentView(getIdentifier("yt_activity_screencapedit", "layout"));
viewType = getIntent().getExtras().getInt("viewType");
shareData = (ShareData) getIntent().getExtras().getSerializable("shareData");
capdata = (ShareData) getIntent().getExtras().getSerializable("capdata");
lineImage = (ImageView) findViewById(getId("yt_screencap_drawline_image"));
rectImage = (ImageView) findViewById(getId("yt_screencap_drawrect_image"));
imageView = (ImageView) findViewById(getId("yt_screencap_image"));
imageView.getViewTreeObserver().addOnGlobalLayoutListener(this);
bitmap = BitmapFactory.decodeFile(getSDCardPath() + "/youtui/yt_screen.png").copy(Bitmap.Config.ARGB_8888, true);
imageView.setBackgroundDrawable(new BitmapDrawable(bitmap));
lineImage.setBackgroundResource(getIdentifier("yt_screencap_pencil_on", "drawable"));
paint.setColor(currentColor);
paint.setStyle(Style.STROKE);
paint.setStrokeCap(Paint.Cap.ROUND);
paint.setStrokeJoin(Join.ROUND);
paint.setAntiAlias(true);
initThicknessView();
initColorPickerView();
}
@Override
public void onClick(final View view) {
// 分享按钮
if (view.getId() == getId("yt_screencap_share_bt")) {
savePic(false);
if(capdata == null){
YtTemplate template = new YtTemplate(this, viewType, false);
template.removePlatform(YtPlatform.PLATFORM_SHORTMESSAGE);
template.removePlatform(YtPlatform.PLATFORM_EMAIL);
shareData.setImagePath(picPath);
template.setShareData(shareData);
template.show();
}
else{
YtTemplate template = new YtTemplate(this, viewType, false);
template.removePlatform(YtPlatform.PLATFORM_SHORTMESSAGE);
template.removePlatform(YtPlatform.PLATFORM_EMAIL);
ShareData newData = capdata;
newData.setImagePath( picPath);
template.setCapData(capdata);
template.setShareData(newData);
template.show();
}
// 用户快速多次点击可能会调出多个页面，这里在点击后的短时间内设置禁止点击
view.setClickable(false);
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
view.setClickable(true);
}
}, 500);
}
// 清除按钮
else if (view.getId() == getId("yt_screencap_clear")) {
if (imageView != null && drawBit != null) {
int w = bitmap.getWidth();
int h = bitmap.getHeight();
Matrix matrix = new Matrix();
matrix.postScale((float) (width * 1.0 / w), (float) (height * 1.0 / h));
drawBit = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true).copy(Bitmap.Config.ARGB_8888, true);
imageView.setImageBitmap(drawBit);
resetPaint();
imageView.invalidate();
}
}
// 选择画笔粗细
else if (view.getId() == getId("yt_screencap_choose_paintwidth"))
showPop(view, thicknessView);
// 选择画笔颜色
else if (view.getId() == getId("yt_screencap_choose_color"))
showPop(view, colorView);
// 保存图片
else if (view.getId() == getId("yt_screencap_save"))
savePic(true);
// 点击画矩形按钮
else if (view.getId() == getId("yt_screen_drawrect") )
changeRectAndLindIcon(true);
// 点击画线按钮
else if (view.getId() == getId("yt_screen_drawline"))
changeRectAndLindIcon(false);
// 点击返回按钮
else if (view.getId() == getId("yt_screencap_back_linelay"))
finish();
}
private void changeRectAndLindIcon(boolean drawRect){
this.drawRect = drawRect;
if(drawRect){
rectImage.setBackgroundResource(getIdentifier("yt_screencap_rectangle_on", "drawable"));
lineImage.setBackgroundResource(getIdentifier("yt_screencap_pencil_off", "drawable"));
}
else{
rectImage.setBackgroundResource(getIdentifier("yt_screencap_rectangle_off", "drawable"));
lineImage.setBackgroundResource(getIdentifier("yt_screencap_pencil_on", "drawable"));
}
resetPaint();
}
private void initColorPickerView(){
colorView = new ColorPickerView(this);
colorView.setOnColorSelectListener(new OnColorSelectListener() {
@Override
public void onSelectColor(int color) {
if(pop != null)
pop.dismiss();
currentColor = color;
}
});
}
private void initThicknessView(){
thicknessView = new ThicknessView(this);
thicknessView.setOnSelectListener(new OnSelectListener() {
@Override
public void onSelect(int width) {
// paintWidth = width;
if(paint != null)
paint.setStrokeWidth(width);
if(pop != null)
pop.dismiss();
}
});
thicknessView.setLayoutParams(new LayoutParams(android.view.ViewGroup.LayoutParams.MATCH_PARENT, Util.getDensity(this, 200)));
}
@SuppressWarnings("deprecation")
private void showPop(View parent, View content){
changeWinAlpha(0.4f);
if(pop == null){
pop = new PopupWindow(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
pop.setBackgroundDrawable(new BitmapDrawable());
pop.setOutsideTouchable(true);
}
pop.setContentView(content);
pop.showAtLocation(parent, Gravity.CENTER, 0, 0);
pop.setOnDismissListener(new OnDismissListener() {
@Override
public void onDismiss() {
changeWinAlpha(1.0f);
}
});
}
/**
* 改变窗口透明度
* @param alpha 初始为1
*/
private void changeWinAlpha(float alpha){
WindowManager.LayoutParams lp=getWindow().getAttributes();
lp.alpha = alpha;
getWindow().setAttributes(lp);
}
/** 重置画笔 */
private void resetPaint() {
canvas = new Canvas(drawBit);
paint.setColor(currentColor);
// 画笔大小至少5
if(paint.getStrokeWidth() < 5)
paint.setStrokeWidth(5);
}
/** 保存涂鸦图片 */
private void savePic(boolean showMsg) {
// 图片存储路径
String SavePath = getSDCardPath() + "/youtui";
// 保存Bitmap
try {
File path = new File(SavePath);
// 文件
picPath = SavePath + "/yt_" + System.currentTimeMillis() + ".png";
File file = new File(picPath);
if (!path.exists()) {
path.mkdirs();
}
if (!file.exists()) {
file.createNewFile();
}
FileOutputStream fos = null;
fos = new FileOutputStream(file);
if (null != fos) {
drawBit.compress(Bitmap.CompressFormat.PNG, 90, fos);
fos.flush();
fos.close();
if (showMsg) {
String saveCap = getString(getIdentifier("yt_savecap", "string"));
Toast.makeText(this, saveCap, Toast.LENGTH_SHORT).show();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
private int getId(String name){
return getIdentifier(name, "id");
}
private int getIdentifier(String name, String tag){
return getResources().getIdentifier(name, tag, getPackageName());
}
@Override
public void onBackPressed() {
if(pop != null && pop.isShowing())
pop.dismiss();
else
super.onBackPressed();
}
@SuppressLint("ClickableViewAccessibility")
@Override
public boolean onTouch(View view, MotionEvent event) {
float upx = 0, upy = 0;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
rectx = event.getX();
recty = event.getY();
downx = event.getX();
downy = event.getY();
path.moveTo(downx, downy);
swapBit = Bitmap.createBitmap(drawBit);
break;
case MotionEvent.ACTION_MOVE:
upx = event.getX();
upy = event.getY();
if (canvas != null && paint != null) {
if (!drawRect) {
drawBit = Bitmap.createBitmap(swapBit);
imageView.setImageBitmap(drawBit);
resetPaint();
path.lineTo(upx, upy);
canvas.drawPath(path, paint);
} else {
drawBit = Bitmap.createBitmap(swapBit);
imageView.setImageBitmap(drawBit);
resetPaint();
canvas.drawLine(rectx, recty, rectx, upy, paint);
canvas.drawLine(rectx, recty, upx, recty, paint);
canvas.drawLine(rectx, upy, upx, upy, paint);
canvas.drawLine(upx, recty, upx, upy, paint);
}
}
downx = upx;
downy = upy;
imageView.invalidate();
break;
case MotionEvent.ACTION_UP:
upx = event.getX();
upy = event.getY();
if (drawRect) {
canvas.drawLine(rectx, recty, rectx, upy, paint);
canvas.drawLine(rectx, recty, upx, recty, paint);
canvas.drawLine(rectx, upy, upx, upy, paint);
canvas.drawLine(upx, recty, upx, upy, paint);
imageView.invalidate();
} else {
path.reset();
}
break;
default:
break;
}
return true;
}
@Override
public void onGlobalLayout() {
if (count == 0) {
count++;
width = imageView.getMeasuredWidth();
height = imageView.getMeasuredHeight();
int w = bitmap.getWidth();
int h = bitmap.getHeight();
Matrix matrix = new Matrix();
matrix.postScale((float) (width * 1.0 / w), (float) (height * 1.0 / h));
drawBit = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true).copy(Bitmap.Config.ARGB_8888, true);
resetPaint();
imageView.setImageBitmap(drawBit);
// 设置触摸事件进行绘图
imageView.setOnTouchListener(this);
}
}
private static String getSDCardPath() {
File sdcardDir = null;
boolean sdcardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);
if (sdcardExist) {
sdcardDir = Environment.getExternalStorageDirectory();
}
return sdcardDir.toString();
}
}