Examples with DisplayListCanvas android.view.DisplayListCanvas used on opensource projects

Example 21 with DisplayListCanvas

use of android.view.DisplayListCanvas in project android_frameworks_base by crdroidandroid.

the class BackdropFrameRenderer method redrawLocked.

/**
     * Redraws the background, the caption and the system inset backgrounds if something changed.
     *
     * @param newBounds The window bounds which needs to be drawn.
     * @param fullscreen Whether the window is currently drawing in fullscreen.
     * @param systemInsets The current visible system insets for the window.
     * @param stableInsets The stable insets for the window.
     */
private void redrawLocked(Rect newBounds, boolean fullscreen, Rect systemInsets, Rect stableInsets) {
    // While a configuration change is taking place the view hierarchy might become
    // inaccessible. For that case we remember the previous metrics to avoid flashes.
    // Note that even when there is no visible caption, the caption child will exist.
    final int captionHeight = mDecorView.getCaptionHeight();
    // Once set to something other then 0 it should be kept that way.
    if (captionHeight != 0) {
        // Remember the height of the caption.
        mLastCaptionHeight = captionHeight;
    }
    // content. If any size is 0, we have to wait for it to be drawn first.
    if ((mLastCaptionHeight == 0 && mDecorView.isShowingCaption()) || mLastContentWidth == 0 || mLastContentHeight == 0) {
        return;
    }
    // Since the surface is spanning the entire screen, we have to add the start offset of
    // the bounds to get to the surface location.
    final int left = mLastXOffset + newBounds.left;
    final int top = mLastYOffset + newBounds.top;
    final int width = newBounds.width();
    final int height = newBounds.height();
    mFrameAndBackdropNode.setLeftTopRightBottom(left, top, left + width, top + height);
    // Draw the caption and content backdrops in to our render node.
    DisplayListCanvas canvas = mFrameAndBackdropNode.start(width, height);
    final Drawable drawable = mUserCaptionBackgroundDrawable != null ? mUserCaptionBackgroundDrawable : mCaptionBackgroundDrawable;
    if (drawable != null) {
        drawable.setBounds(0, 0, left + width, top + mLastCaptionHeight);
        drawable.draw(canvas);
    }
    // The backdrop: clear everything with the background. Clipping is done elsewhere.
    if (mResizingBackgroundDrawable != null) {
        mResizingBackgroundDrawable.setBounds(0, mLastCaptionHeight, left + width, top + height);
        mResizingBackgroundDrawable.draw(canvas);
    }
    mFrameAndBackdropNode.end(canvas);
    drawColorViews(left, top, width, height, fullscreen, systemInsets, stableInsets);
    // We need to render the node explicitly
    mRenderer.drawRenderNode(mFrameAndBackdropNode);
    reportDrawIfNeeded();
}

Example 22 with DisplayListCanvas

use of android.view.DisplayListCanvas in project android_frameworks_base by crdroidandroid.

the class KeyguardAffordanceView method drawBackgroundCircle.

private void drawBackgroundCircle(Canvas canvas) {
    if (mCircleRadius > 0 || mFinishing) {
        if (mFinishing && mSupportHardware && mHwCenterX != null) {
            // Our hardware drawing proparties can be null if the finishing started but we have
            // never drawn before. In that case we are not doing a render thread animation
            // anyway, so we need to use the normal drawing.
            DisplayListCanvas displayListCanvas = (DisplayListCanvas) canvas;
            displayListCanvas.drawCircle(mHwCenterX, mHwCenterY, mHwCircleRadius, mHwCirclePaint);
        } else {
            updateCircleColor();
            canvas.drawCircle(mCenterX, mCenterY, mCircleRadius, mCirclePaint);
        }
    }
}

Example 23 with DisplayListCanvas

use of android.view.DisplayListCanvas in project platform_frameworks_base by android.

the class BackdropFrameRenderer method redrawLocked.

/**
     * Redraws the background, the caption and the system inset backgrounds if something changed.
     *
     * @param newBounds The window bounds which needs to be drawn.
     * @param fullscreen Whether the window is currently drawing in fullscreen.
     * @param systemInsets The current visible system insets for the window.
     * @param stableInsets The stable insets for the window.
     */
private void redrawLocked(Rect newBounds, boolean fullscreen, Rect systemInsets, Rect stableInsets) {
    // While a configuration change is taking place the view hierarchy might become
    // inaccessible. For that case we remember the previous metrics to avoid flashes.
    // Note that even when there is no visible caption, the caption child will exist.
    final int captionHeight = mDecorView.getCaptionHeight();
    // Once set to something other then 0 it should be kept that way.
    if (captionHeight != 0) {
        // Remember the height of the caption.
        mLastCaptionHeight = captionHeight;
    }
    // content. If any size is 0, we have to wait for it to be drawn first.
    if ((mLastCaptionHeight == 0 && mDecorView.isShowingCaption()) || mLastContentWidth == 0 || mLastContentHeight == 0) {
        return;
    }
    // Since the surface is spanning the entire screen, we have to add the start offset of
    // the bounds to get to the surface location.
    final int left = mLastXOffset + newBounds.left;
    final int top = mLastYOffset + newBounds.top;
    final int width = newBounds.width();
    final int height = newBounds.height();
    mFrameAndBackdropNode.setLeftTopRightBottom(left, top, left + width, top + height);
    // Draw the caption and content backdrops in to our render node.
    DisplayListCanvas canvas = mFrameAndBackdropNode.start(width, height);
    final Drawable drawable = mUserCaptionBackgroundDrawable != null ? mUserCaptionBackgroundDrawable : mCaptionBackgroundDrawable;
    if (drawable != null) {
        drawable.setBounds(0, 0, left + width, top + mLastCaptionHeight);
        drawable.draw(canvas);
    }
    // The backdrop: clear everything with the background. Clipping is done elsewhere.
    if (mResizingBackgroundDrawable != null) {
        mResizingBackgroundDrawable.setBounds(0, mLastCaptionHeight, left + width, top + height);
        mResizingBackgroundDrawable.draw(canvas);
    }
    mFrameAndBackdropNode.end(canvas);
    drawColorViews(left, top, width, height, fullscreen, systemInsets, stableInsets);
    // We need to render the node explicitly
    mRenderer.drawRenderNode(mFrameAndBackdropNode);
    reportDrawIfNeeded();
}

Example 24 with DisplayListCanvas

use of android.view.DisplayListCanvas in project platform_frameworks_base by android.

the class KeyguardAffordanceView method drawBackgroundCircle.

private void drawBackgroundCircle(Canvas canvas) {
    if (mCircleRadius > 0 || mFinishing) {
        if (mFinishing && mSupportHardware && mHwCenterX != null) {
            // Our hardware drawing proparties can be null if the finishing started but we have
            // never drawn before. In that case we are not doing a render thread animation
            // anyway, so we need to use the normal drawing.
            DisplayListCanvas displayListCanvas = (DisplayListCanvas) canvas;
            displayListCanvas.drawCircle(mHwCenterX, mHwCenterY, mHwCircleRadius, mHwCirclePaint);
        } else {
            updateCircleColor();
            canvas.drawCircle(mCenterX, mCenterY, mCircleRadius, mCirclePaint);
        }
    }
}

Example 25 with DisplayListCanvas

use of android.view.DisplayListCanvas in project android_frameworks_base by AOSPA.

the class BackdropFrameRenderer method drawColorViews.

private void drawColorViews(int left, int top, int width, int height, boolean fullscreen, Rect systemInsets, Rect stableInsets) {
    if (mSystemBarBackgroundNode == null) {
        return;
    }
    DisplayListCanvas canvas = mSystemBarBackgroundNode.start(width, height);
    mSystemBarBackgroundNode.setLeftTopRightBottom(left, top, left + width, top + height);
    final int topInset = DecorView.getColorViewTopInset(mStableInsets.top, mSystemInsets.top);
    final int bottomInset = DecorView.getColorViewBottomInset(stableInsets.bottom, systemInsets.bottom);
    final int rightInset = DecorView.getColorViewRightInset(stableInsets.right, systemInsets.right);
    final int leftInset = DecorView.getColorViewLeftInset(stableInsets.left, systemInsets.left);
    if (mStatusBarColor != null) {
        mStatusBarColor.setBounds(0, 0, left + width, topInset);
        mStatusBarColor.draw(canvas);
    }
    // However, we need it for the transitions into/out of docked mode.
    if (mNavigationBarColor != null && fullscreen) {
        final int size = DecorView.getNavBarSize(bottomInset, rightInset, leftInset);
        if (DecorView.isNavBarToRightEdge(bottomInset, rightInset)) {
            mNavigationBarColor.setBounds(width - size, 0, width, height);
        } else if (DecorView.isNavBarToLeftEdge(bottomInset, leftInset)) {
            mNavigationBarColor.setBounds(0, 0, size, height);
        } else {
            mNavigationBarColor.setBounds(0, height - size, width, height);
        }
        mNavigationBarColor.draw(canvas);
    }
    mSystemBarBackgroundNode.end(canvas);
    mRenderer.drawRenderNode(mSystemBarBackgroundNode);
}