Java Code Examples for android.view.View#buildDrawingCache()
The following examples show how to use
android.view.View#buildDrawingCache() .
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Example 1
Source Project: prayer-times-android File: MultipleOrientationSlidingDrawer.java License: Apache License 2.0 | 6 votes |
private void prepareContent() { if (mAnimating) { return; } // Something changed in the content, we need to honor the layout request // before creating the cached bitmap View content = mContent; if (content.isLayoutRequested()) { measureContent(); } // Try only once... we should really loop but it's not a big deal // if the draw was cancelled, it will only be temporary anyway content.getViewTreeObserver().dispatchOnPreDraw(); content.buildDrawingCache(); content.setVisibility(View.GONE); }
Example 2
Source Project: GridBuilder File: BitmapUtils.java License: Apache License 2.0 | 6 votes |
/** * 将View转换成Bitmap */ public static Bitmap convertViewToBitmap(View view, int outMargin, int baseHeight) { Bitmap bitmap; view.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED) , View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED)); if (baseHeight == 0) { view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight()); view.buildDrawingCache(); bitmap = view.getDrawingCache(); } else { bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(), Bitmap.Config.ARGB_8888); Canvas c = new Canvas(bitmap); view.draw(c); } int height = bitmap.getHeight(); int width = bitmap.getWidth(); return Bitmap.createBitmap(bitmap , outMargin , height - height / PART_NUM - baseHeight + (baseHeight > 0 ? outMargin / PART_NUM : 0) , width - outMargin * 2 , (height - outMargin * 2) / PART_NUM); }
Example 3
Source Project: ClockView File: ScreenUtils.java License: Apache License 2.0 | 6 votes |
/** * 获取当前屏幕截图,不包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithoutStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); int statusBarHeight = frame.top; int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height - statusBarHeight); view.destroyDrawingCache(); return bp; }
Example 4
Source Project: Fglass File: Fglass.java License: Apache License 2.0 | 6 votes |
/** * 设置高斯模糊 * * ps: * 设置高斯模糊是依靠scaleFactor和radius配合使用的,比如这里默认设置是:scaleFactor = 8;radius = 2; 模糊效果和scaleFactor = 1;radius = 20;是一样的,而且效率高 * @param fromView 从某个View获取截图 * @param toView 高斯模糊设置到某个View上 * @param radius 模糊度 * @param scaleFactor 缩放比例 */ @TargetApi(Build.VERSION_CODES.JELLY_BEAN) public static void blur(View fromView, View toView,float radius,float scaleFactor) { //获取View的截图 fromView.buildDrawingCache(); Bitmap bkg = fromView.getDrawingCache(); if (radius<1||radius>26) { scaleFactor = 8; radius = 2; } Bitmap overlay = Bitmap.createBitmap((int) (toView.getMeasuredWidth()/scaleFactor), (int) (toView.getMeasuredHeight()/scaleFactor), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(overlay); canvas.translate(-toView.getLeft()/scaleFactor, -toView.getTop()/scaleFactor); canvas.scale(1 / scaleFactor, 1 / scaleFactor); Paint paint = new Paint(); paint.setFlags(Paint.FILTER_BITMAP_FLAG); canvas.drawBitmap(bkg, 0, 0, paint); overlay = Fglass.doBlur(overlay, (int) radius, true); toView.setBackground(new BitmapDrawable(overlay)); }
Example 5
Source Project: Gizwits-SmartSocket_Android File: ScreenUtils.java License: MIT License | 6 votes |
/** * 获取屏幕截图,不包含状态栏 * * @param activity * activity * @return 屏幕截图 * * */ public static Bitmap snapShotWithoutStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); int statusBarHeight = frame.top; int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height - statusBarHeight); view.destroyDrawingCache(); return bp; }
Example 6
Source Project: WelikeAndroid File: ScreenUtils.java License: Apache License 2.0 | 6 votes |
/** * 获取当前屏幕截图,包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, 0, width, height); view.destroyDrawingCache(); return bp; }
Example 7
Source Project: LLApp File: ScreenUtils.java License: Apache License 2.0 | 6 votes |
/** * 获取当前屏幕截图,不包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithoutStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); int statusBarHeight = frame.top; int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height - statusBarHeight); view.destroyDrawingCache(); return bp; }
Example 8
Source Project: Android-Architecture File: ScreenUtil.java License: Apache License 2.0 | 6 votes |
/** * 获取当前屏幕截图,不包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithoutStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); int statusBarHeight = frame.top; int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height - statusBarHeight); view.destroyDrawingCache(); return bp; }
Example 9
Source Project: flickr-uploader File: SlidingDrawer.java License: GNU General Public License v2.0 | 6 votes |
private void prepareContent() { if (mAnimating) { return; } // Something changed in the content, we need to honor the layout request // before creating the cached bitmap final View content = mContent; if (content.isLayoutRequested()) { final int childHeight = mHandleHeight; int height = getBottom() - getTop() - childHeight - mTopOffset; content.measure(MeasureSpec.makeMeasureSpec(getRight() - getLeft(), MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); content.layout(0, mTopOffset + childHeight, content.getMeasuredWidth(), mTopOffset + childHeight + content.getMeasuredHeight()); } // Try only once… we should really loop but it's not a big deal // if the draw was cancelled, it will only be temporary anyway content.getViewTreeObserver().dispatchOnPreDraw(); if (!content.isHardwareAccelerated()) content.buildDrawingCache(); content.setVisibility(View.GONE); }
Example 10
Source Project: screenshott File: ScreenShott.java License: Apache License 2.0 | 5 votes |
/** * Take screen shot of the View with spaces as per constraints * * @param v * the v * @return the bitmap */ public Bitmap takeScreenShotOfView(View v) { v.setDrawingCacheEnabled(true); v.buildDrawingCache(true); // creates immutable clone Bitmap b = Bitmap.createBitmap(v.getDrawingCache()); v.setDrawingCacheEnabled(false); // clear drawing cache return b; }
Example 11
Source Project: Android_UE File: ScreenUtils.java License: Apache License 2.0 | 5 votes |
/** * 获取当前屏幕截图,包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(true); int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, 0, width, height); view.destroyDrawingCache(); return bp; }
Example 12
Source Project: android_9.0.0_r45 File: SlidingDrawer.java License: Apache License 2.0 | 5 votes |
private void prepareContent() { if (mAnimating) { return; } // Something changed in the content, we need to honor the layout request // before creating the cached bitmap final View content = mContent; if (content.isLayoutRequested()) { if (mVertical) { final int childHeight = mHandleHeight; int height = mBottom - mTop - childHeight - mTopOffset; content.measure(MeasureSpec.makeMeasureSpec(mRight - mLeft, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); content.layout(0, mTopOffset + childHeight, content.getMeasuredWidth(), mTopOffset + childHeight + content.getMeasuredHeight()); } else { final int childWidth = mHandle.getWidth(); int width = mRight - mLeft - childWidth - mTopOffset; content.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(mBottom - mTop, MeasureSpec.EXACTLY)); content.layout(childWidth + mTopOffset, 0, mTopOffset + childWidth + content.getMeasuredWidth(), content.getMeasuredHeight()); } } // Try only once... we should really loop but it's not a big deal // if the draw was cancelled, it will only be temporary anyway content.getViewTreeObserver().dispatchOnPreDraw(); if (!content.isHardwareAccelerated()) content.buildDrawingCache(); content.setVisibility(View.GONE); }
Example 13
Source Project: PlayTogether File: ScreenUtils.java License: Apache License 2.0 | 5 votes |
/** * 获取当前屏幕截图,包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, 0, width, height); view.destroyDrawingCache(); return bp; }
Example 14
Source Project: Gizwits-SmartSocket_Android File: ScreenUtils.java License: MIT License | 5 votes |
/** * 获取屏幕截图,包含状态栏 * * @param activity * activity * @return 屏幕截图 * * */ public static Bitmap snapShotWithStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, 0, width, height); view.destroyDrawingCache(); return bp; }
Example 15
Source Project: letv File: FileUtils.java License: Apache License 2.0 | 5 votes |
private Bitmap takeScreenShot(Activity context) { View view = context.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap screenBitmap = view.getDrawingCache(); view.destroyDrawingCache(); view.setDrawingCacheEnabled(false); return screenBitmap; }
Example 16
Source Project: ExtractWordView File: EWListView.java License: MIT License | 5 votes |
/** * @param activity * @param x 截图起始的横坐标 * @param y 截图起始的纵坐标 * @param width * @param height * @return */ private Bitmap getBitmap(Activity activity, int x, int y, int width, int height) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); bitmap = view.getDrawingCache(); //边界处理,否则会崩滴 if (x < 0) x = 0; if (y < 0) y = 0; if (x + width > bitmap.getWidth()) { // x = x + WIDTH / 2; // width = bitmap.getWidth() - x; //保持不改变,截取图片宽高的原则 x = bitmap.getWidth() - width; } if (y + height > bitmap.getHeight()) { // y = y + HEIGHT / 2; // height = bitmap.getHeight() - y; y = bitmap.getHeight() - height; } Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); int toHeight = frame.top; bitmap = Bitmap.createBitmap(bitmap, x, y, width, height); view.setDrawingCacheEnabled(false); return bitmap; }
Example 17
Source Project: DevUtils File: CapturePictureUtils.java License: Apache License 2.0 | 5 votes |
/** * 获取当前屏幕截图, 不包含状态栏 ( 如果 android:theme 全屏, 则截图无状态栏 ) * @param activity {@link Activity} * @return 当前屏幕截图, 不包含状态栏 */ public static Bitmap snapshotWithoutStatusBar(final Activity activity) { try { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); // 重新创建绘图缓存, 此时的背景色是黑色 view.buildDrawingCache(); // 获取绘图缓存, 注意这里得到的只是一个图像的引用 Bitmap cacheBitmap = view.getDrawingCache(); if (cacheBitmap == null) return null; // 获取屏幕宽度 int[] widthHeight = ScreenUtils.getScreenWidthHeight(); // 获取状态栏高度 int statusBarHeight = BarUtils.getStatusBarHeight(); Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); // 创建新的图片 Bitmap bitmap = Bitmap.createBitmap(cacheBitmap, 0, statusBarHeight, widthHeight[0], widthHeight[1] - statusBarHeight); // 释放绘图资源所使用的缓存 view.destroyDrawingCache(); return bitmap; } catch (Exception e) { LogPrintUtils.eTag(TAG, e, "snapshotWithoutStatusBar"); } return null; }
Example 18
Source Project: a File: ConvertUtils.java License: GNU General Public License v3.0 | 4 votes |
/** * 把view转化为bitmap(截图) * 参见:http://www.cnblogs.com/lee0oo0/p/3355468.html */ public static Bitmap toBitmap(View view) { int width = view.getWidth(); int height = view.getHeight(); if (view instanceof ListView) { height = 0; // 获取listView实际高度 ListView listView = (ListView) view; for (int i = 0; i < listView.getChildCount(); i++) { height += listView.getChildAt(i).getHeight(); } } else if (view instanceof ScrollView) { height = 0; // 获取scrollView实际高度 ScrollView scrollView = (ScrollView) view; for (int i = 0; i < scrollView.getChildCount(); i++) { height += scrollView.getChildAt(i).getHeight(); } } view.setDrawingCacheEnabled(true); view.clearFocus(); view.setPressed(false); boolean willNotCache = view.willNotCacheDrawing(); view.setWillNotCacheDrawing(false); // Reset the drawing cache background color to fully transparent for the duration of this operation int color = view.getDrawingCacheBackgroundColor(); view.setDrawingCacheBackgroundColor(Color.WHITE);//截图去黑色背景(透明像素) if (color != Color.WHITE) { view.destroyDrawingCache(); } view.buildDrawingCache(); Bitmap cacheBitmap = view.getDrawingCache(); if (cacheBitmap == null) { return null; } Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); canvas.drawBitmap(cacheBitmap, 0, 0, null); canvas.save(); canvas.restore(); if (!bitmap.isRecycled()) { bitmap.recycle(); } // Restore the view view.destroyDrawingCache(); view.setWillNotCacheDrawing(willNotCache); view.setDrawingCacheBackgroundColor(color); return bitmap; }
Example 19
Source Project: MyBookshelf File: ConvertUtils.java License: GNU General Public License v3.0 | 4 votes |
/** * 把view转化为bitmap(截图) * 参见:http://www.cnblogs.com/lee0oo0/p/3355468.html */ public static Bitmap toBitmap(View view) { int width = view.getWidth(); int height = view.getHeight(); if (view instanceof ListView) { height = 0; // 获取listView实际高度 ListView listView = (ListView) view; for (int i = 0; i < listView.getChildCount(); i++) { height += listView.getChildAt(i).getHeight(); } } else if (view instanceof ScrollView) { height = 0; // 获取scrollView实际高度 ScrollView scrollView = (ScrollView) view; for (int i = 0; i < scrollView.getChildCount(); i++) { height += scrollView.getChildAt(i).getHeight(); } } view.setDrawingCacheEnabled(true); view.clearFocus(); view.setPressed(false); boolean willNotCache = view.willNotCacheDrawing(); view.setWillNotCacheDrawing(false); // Reset the drawing cache background color to fully transparent for the duration of this operation int color = view.getDrawingCacheBackgroundColor(); view.setDrawingCacheBackgroundColor(Color.WHITE);//截图去黑色背景(透明像素) if (color != Color.WHITE) { view.destroyDrawingCache(); } view.buildDrawingCache(); Bitmap cacheBitmap = view.getDrawingCache(); if (cacheBitmap == null) { return null; } Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); canvas.drawBitmap(cacheBitmap, 0, 0, null); canvas.save(); canvas.restore(); if (!bitmap.isRecycled()) { bitmap.recycle(); } // Restore the view view.destroyDrawingCache(); view.setWillNotCacheDrawing(willNotCache); view.setDrawingCacheBackgroundColor(color); return bitmap; }
Example 20
Source Project: Android-FoldingLayout File: FoldingLayout.java License: BSD 3-Clause "New" or "Revised" License | 4 votes |
/** * returns a new Bitmap with a clipped vertical area of the original view cache * * @param view The view to clip * @param top Top Y coordinate where to start to clip * @param bottom Lower Y coordinate where to end the clip * @return A new Bitmap with the clipped area */ private Bitmap clipBitmap(View view, int top, int bottom) { view.buildDrawingCache(false); Bitmap fullImage = view.getDrawingCache(); Bitmap clipView = Bitmap.createBitmap(fullImage.getWidth(), fullImage.getHeight() / 2, Bitmap.Config.ARGB_8888); Canvas c = new Canvas(clipView); Rect source = new Rect(0, top, fullImage.getWidth(), bottom); Rect target = new Rect(0, 0, clipView.getWidth(), clipView.getHeight()); c.drawBitmap(fullImage, source, target, null); view.destroyDrawingCache(); return clipView; }