From f606f748f3660033f61ea7e74199fe92b08670a7 Mon Sep 17 00:00:00 2001 From: binIoter Date: Mon, 17 Oct 2016 18:41:55 +0800 Subject: [PATCH] =?UTF-8?q?commit=20=E8=A7=A3=E5=86=B3=E9=AB=98=E4=BA=AE?= =?UTF-8?q?=E5=8C=BA=E5=9F=9F=E9=94=AF=E9=BD=BF=E9=97=AE=E9=A2=98,?= =?UTF-8?q?=E4=BB=A5=E5=8F=8A=E5=9C=A8=E9=83=A8=E5=88=86=E6=9C=BA=E5=9E=8B?= =?UTF-8?q?=E7=9A=84=E5=85=BC=E5=AE=B9=E6=80=A7=E9=97=AE=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../java/com/blog/www/guideview/MaskView.java | 100 +++++++++--------- 1 file changed, 50 insertions(+), 50 deletions(-) diff --git a/guideview/src/main/java/com/blog/www/guideview/MaskView.java b/guideview/src/main/java/com/blog/www/guideview/MaskView.java index e00a3be..39e7f61 100644 --- a/guideview/src/main/java/com/blog/www/guideview/MaskView.java +++ b/guideview/src/main/java/com/blog/www/guideview/MaskView.java @@ -1,18 +1,20 @@ package com.blog.www.guideview; import android.content.Context; +import android.graphics.Bitmap; import android.graphics.Canvas; +import android.graphics.Color; import android.graphics.Paint; -import android.graphics.PaintFlagsDrawFilter; -import android.graphics.Path; +import android.graphics.Point; +import android.graphics.PorterDuff; +import android.graphics.PorterDuffXfermode; import android.graphics.Rect; import android.graphics.RectF; -import android.graphics.Region; import android.util.AttributeSet; +import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; -import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT; /** @@ -31,24 +33,15 @@ class MaskView extends ViewGroup { private int mPaddingTop = 0; private int mPaddingRight = 0; private int mPaddingBottom = 0; - - private final Path mOutPath = new Path(); - - private final Paint mTargetPaint = new Paint(); - private final Paint mPaint = new Paint(); - private boolean mCustomFullingRect; private boolean mOverlayTarget; private int mCorner = 0; private int mStyle = Component.ROUNDRECT; - - //构造快优先于构造方法执行 - { - mPaint.setAntiAlias(true); - mTargetPaint.setColor(0x00000000); - mTargetPaint.setStrokeWidth(10); - mTargetPaint.setAntiAlias(true); - } + private Paint mEraser; + private Bitmap mEraserBitmap; + private Canvas mEraserCanvas; + private Paint mPaint; + private Paint transparentPaint; public MaskView(Context context) { this(context, null, 0); @@ -60,18 +53,32 @@ public MaskView(Context context, AttributeSet attrs) { public MaskView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); - setLayoutParams(new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); - setFocusable(true);//键盘是否能获得焦点 - setFocusableInTouchMode(true);//触摸是否能获得焦点 - requestFocus(); - mOutPath.setFillType(Path.FillType.EVEN_ODD);//设置填充模式，取path所在并不相交区域 - resetOutPath(); + setWillNotDraw(false); + Point size = new Point(); + size.x = getResources().getDisplayMetrics().widthPixels; + size.y = getResources().getDisplayMetrics().heightPixels; + + mEraserBitmap = Bitmap.createBitmap(size.x, size.y, Bitmap.Config.ARGB_8888); + mEraserCanvas = new Canvas(mEraserBitmap); + + mPaint = new Paint(); + mPaint.setColor(0xcc000000); + transparentPaint = new Paint(); + transparentPaint.setColor(getResources().getColor(android.R.color.transparent)); + transparentPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR)); + + mEraser = new Paint(); + mEraser.setColor(0xFFFFFFFF); + mEraser.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR)); + mEraser.setFlags(Paint.ANTI_ALIAS_FLAG); } @Override protected void onDetachedFromWindow() { super.onDetachedFromWindow(); try { clearFocus(); + mEraserCanvas.setBitmap(null); + mEraserBitmap = null; } catch (Exception e) { e.printStackTrace(); } @@ -188,10 +195,7 @@ private void verticalChildPositionLayout(View child, RectF rect, int targetParen } private void resetOutPath() { - mOutPath.reset(); resetPadding(); - mOutPath.addRect(mTargetRect, Path.Direction.CW); - mOutPath.addRect(mFullingRect, Path.Direction.CW); } /** @@ -230,39 +234,35 @@ private void resetPadding() { @Override protected void dispatchDraw(Canvas canvas) { final long drawingTime = getDrawingTime(); - canvas.save(); + try { + View child; + for (int i = 0; i < getChildCount(); i++) { + child = getChildAt(i); + drawChild(canvas, child, drawingTime); + } + } catch (NullPointerException e) { + } + } + + @Override protected void onDraw(Canvas canvas) { + super.onDraw(canvas); + mEraserBitmap.eraseColor(Color.TRANSPARENT); + mEraserCanvas.drawColor(mFullingPaint.getColor()); if (!mOverlayTarget) { - Path mPath = new Path(); switch (mStyle) { case Component.ROUNDRECT: - mPath.addRoundRect(mTargetRect, mCorner, mCorner, Path.Direction.CCW); + mEraserCanvas.drawRoundRect(mTargetRect, mCorner, mCorner, mEraser); break; case Component.CIRCLE: - mPath.addCircle(mTargetRect.centerX(), mTargetRect.centerY(), mTargetRect.width() / 2, - Path.Direction.CCW); + mEraserCanvas.drawCircle(mTargetRect.centerX(), mTargetRect.centerY(), + mTargetRect.width() / 2, mEraser); break; default: - mPath.addRoundRect(mTargetRect, mCorner, mCorner, Path.Direction.CCW); + mEraserCanvas.drawRoundRect(mTargetRect, mCorner, mCorner, mEraser); break; } - canvas.clipPath(mPath, Region.Op.DIFFERENCE); - } - //画遮罩 - canvas.drawRect(mFullingRect, mFullingPaint); - //抗锯齿 - canvas.setDrawFilter( - new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG)); - canvas.restore(); - - try { - View child; - for (int i = 0; i < getChildCount(); i++) { - child = getChildAt(i); - drawChild(canvas, child, drawingTime); - } - } catch (NullPointerException e) { - + canvas.drawBitmap(mEraserBitmap, 0, 0, null); } }