android.widget.ImageView#getGlobalVisibleRect ( )源码实例Demo

下面列出了android.widget.ImageView#getGlobalVisibleRect ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： star-zone-android 文件： ServiceInfoActivity.java

private Rect getDrawableBoundsInView(ImageView iv) {
    if (iv != null && iv.getDrawable() != null) {
        Drawable d = iv.getDrawable();
        Rect result = new Rect();
        iv.getGlobalVisibleRect(result);
        Rect tDrawableRect = d.getBounds();
        Matrix drawableMatrix = iv.getImageMatrix();
        float[] values = new float[9];
        if (drawableMatrix != null) {
            drawableMatrix.getValues(values);
        }

        result.left += (int) values[2];
        result.top += (int) values[5];
        result.right = (int) ((float) result.left + (float) tDrawableRect.width() * (values[0] == 0.0F ? 1.0F : values[0]));
        result.bottom = (int) ((float) result.top + (float) tDrawableRect.height() * (values[4] == 0.0F ? 1.0F : values[4]));
        return result;
    } else {
        return null;
    }
}

源代码2 项目： ZoomPreviewPicture 文件： RecycleViewActivity.java

/**
 * 查找信息
 * 从第一个完整可见item逆序遍历，如果初始位置为0，则不执行方法内循环
 */
private void computeBoundsBackward(int firstCompletelyVisiblePos) {
    for (int i = firstCompletelyVisiblePos;i < mThumbViewInfoList.size(); i++) {
        View itemView = mGridLayoutManager.findViewByPosition(i);
        Rect bounds = new Rect();
        if (itemView != null) {
            ImageView thumbView = (ImageView) itemView.findViewById(R.id.iv);
            thumbView.getGlobalVisibleRect(bounds);
        }
        mThumbViewInfoList.get(i).setBounds(bounds);
    }
}

源代码3 项目： ZoomPreviewPicture 文件： ListView2Activity.java

/**
 * 查找信息
 * 从第一个完整可见item逆序遍历，如果初始位置为0，则不执行方法内循环
 */
private void computeBoundsBackward(int firstCompletelyVisiblePos) {
    for (int i = firstCompletelyVisiblePos;i < mThumbViewInfoList.size(); i++) {
        View itemView = listView.getChildAt(i-firstCompletelyVisiblePos);
        Rect bounds = new Rect();
        if (itemView != null) {
            ImageView thumbView = (ImageView) itemView.findViewById(R.id.iv);
            thumbView.getGlobalVisibleRect(bounds);
        }
        mThumbViewInfoList.get(i).setBounds(bounds);
    }
}

源代码4 项目： ZoomPreviewPicture 文件： GridView2Activity.java

/**
 * 查找信息
 * 从第一个完整可见item逆序遍历，如果初始位置为0，则不执行方法内循环
 */
private void computeBoundsBackward(int firstCompletelyVisiblePos) {
    for (int i = firstCompletelyVisiblePos; i < mThumbViewInfoList.size(); i++) {
        View itemView = listView.getChildAt(i - firstCompletelyVisiblePos);
        Rect bounds = new Rect();
        if (itemView != null) {
            ImageView thumbView = (ImageView) itemView.findViewById(R.id.iv);
            thumbView.getGlobalVisibleRect(bounds);
        }
        mThumbViewInfoList.get(i).setBounds(bounds);
    }
}

源代码5 项目： ZoomPreviewPicture 文件： PostAdapter.java

/**
 * 查找信息
 * @param list 图片集合
 */
private void computeBoundsBackward(List<UserViewInfo> list) {
    for (int i = 0;i < mNglContent.getChildCount(); i++) {
        View itemView = mNglContent.getChildAt(i);
        Rect bounds = new Rect();
        if (itemView != null) {
            ImageView thumbView = (ImageView) itemView;
            thumbView.getGlobalVisibleRect(bounds);
        }
        list.get(i).setBounds(bounds);
        list.get(i).setUrl(list.get(i).getUrl());
    }

}

源代码6 项目： ZoomPreviewPicture 文件： GridViewCustomActivity.java

/**
 * 查找信息
 * 从第一个完整可见item逆序遍历，如果初始位置为0，则不执行方法内循环
 */
private void computeBoundsBackward(int firstCompletelyVisiblePos) {
    for (int i = firstCompletelyVisiblePos; i < mThumbViewInfoList.size(); i++) {
        View itemView = listView.getChildAt(i - firstCompletelyVisiblePos);
        Rect bounds = new Rect();
        if (itemView != null) {
            //需要显示过度控件
            ImageView thumbView = (ImageView) itemView.findViewById(R.id.iv);
            //拿到在控件屏幕可见中控件显示为矩形Rect信息
            thumbView.getGlobalVisibleRect(bounds);
        }
        mThumbViewInfoList.get(i).setBounds(bounds);
    }
}

源代码7 项目： ZoomPreviewPicture 文件： VideoViewActivity.java

/**
 * 查找信息
 * 从第一个完整可见item逆序遍历，如果初始位置为0，则不执行方法内循环
 */
private void computeBoundsBackward(int firstCompletelyVisiblePos) {
    for (int i = firstCompletelyVisiblePos;i < mThumbViewInfoList.size(); i++) {
        View itemView = mGridLayoutManager.findViewByPosition(i);
        Rect bounds = new Rect();
        if (itemView != null) {
            ImageView thumbView =  itemView.findViewById(R.id.iv);
            thumbView.getGlobalVisibleRect(bounds);
        }
        mThumbViewInfoList.get(i).setBounds(bounds);
    }
}

源代码8 项目： iBeebo 文件： AnimationUtility.java

public static Rect getBitmapRectFromImageView(ImageView imageView) {
    Drawable drawable = imageView.getDrawable();
    Bitmap bitmap = null;
    if (drawable instanceof BitmapDrawable) {
        bitmap = ((BitmapDrawable) drawable).getBitmap();
    }

    Rect rect = new Rect();
    boolean isVisible = imageView.getGlobalVisibleRect(rect);
    if (!isVisible) {
        int[] location = new int[2];
        imageView.getLocationOnScreen(location);

        rect.left = location[0];
        rect.top = location[1];
        rect.right = rect.left + imageView.getWidth();
        rect.bottom = rect.top + imageView.getHeight();
    }

    if (bitmap != null) {

        int bitmapWidth = bitmap.getWidth();
        int bitmapHeight = bitmap.getHeight();

        int imageViewWidth = imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
        int imageviewHeight = imageView.getHeight() - imageView.getPaddingTop() - imageView.getPaddingBottom();

        float startScale;
        if ((float) imageViewWidth / bitmapWidth > (float) imageviewHeight / bitmapHeight) {
            // Extend start bounds horizontally
            startScale = (float) imageviewHeight / bitmapHeight;

        } else {
            startScale = (float) imageViewWidth / bitmapWidth;

        }

        bitmapHeight = (int) (bitmapHeight * startScale);
        bitmapWidth = (int) (bitmapWidth * startScale);

        int deltaX = (imageViewWidth - bitmapWidth) / 2;
        int deltaY = (imageviewHeight - bitmapHeight) / 2;

        rect.set(rect.left + deltaX, rect.top + deltaY, rect.right - deltaX, rect.bottom - deltaY);

        return rect;
    } else {
        return null;
    }

}

源代码9 项目： iBeebo 文件： AnimationUtility.java

public static Rect getBitmapRectFromImageView(ImageView imageView) {
    Drawable drawable = imageView.getDrawable();
    Bitmap bitmap = null;
    if (drawable instanceof BitmapDrawable) {
        bitmap = ((BitmapDrawable) drawable).getBitmap();
    }

    Rect rect = new Rect();
    boolean isVisible = imageView.getGlobalVisibleRect(rect);
    if (!isVisible) {
        int[] location = new int[2];
        imageView.getLocationOnScreen(location);

        rect.left = location[0];
        rect.top = location[1];
        rect.right = rect.left + imageView.getWidth();
        rect.bottom = rect.top + imageView.getHeight();
    }

    if (bitmap != null) {

        int bitmapWidth = bitmap.getWidth();
        int bitmapHeight = bitmap.getHeight();

        int imageViewWidth = imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
        int imageviewHeight = imageView.getHeight() - imageView.getPaddingTop() - imageView.getPaddingBottom();

        float startScale;
        if ((float) imageViewWidth / bitmapWidth > (float) imageviewHeight / bitmapHeight) {
            // Extend start bounds horizontally
            startScale = (float) imageviewHeight / bitmapHeight;

        } else {
            startScale = (float) imageViewWidth / bitmapWidth;

        }

        bitmapHeight = (int) (bitmapHeight * startScale);
        bitmapWidth = (int) (bitmapWidth * startScale);

        int deltaX = (imageViewWidth - bitmapWidth) / 2;
        int deltaY = (imageviewHeight - bitmapHeight) / 2;

        rect.set(rect.left + deltaX, rect.top + deltaY, rect.right - deltaX, rect.bottom - deltaY);

        return rect;
    } else {
        return null;
    }

}

方法所在类

android.widget.ImageView