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

Example 26 with DisplayListCanvas

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

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 27 with DisplayListCanvas

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

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);
}

Example 28 with DisplayListCanvas

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

the class Editor method drawHardwareAccelerated.

private void drawHardwareAccelerated(Canvas canvas, Layout layout, Path highlight, Paint highlightPaint, int cursorOffsetVertical) {
    final long lineRange = layout.getLineRangeForDraw(canvas);
    int firstLine = TextUtils.unpackRangeStartFromLong(lineRange);
    int lastLine = TextUtils.unpackRangeEndFromLong(lineRange);
    if (lastLine < 0)
        return;
    layout.drawBackground(canvas, highlight, highlightPaint, cursorOffsetVertical, firstLine, lastLine);
    if (layout instanceof DynamicLayout) {
        if (mTextRenderNodes == null) {
            mTextRenderNodes = ArrayUtils.emptyArray(TextRenderNode.class);
        }
        DynamicLayout dynamicLayout = (DynamicLayout) layout;
        int[] blockEndLines = dynamicLayout.getBlockEndLines();
        int[] blockIndices = dynamicLayout.getBlockIndices();
        final int numberOfBlocks = dynamicLayout.getNumberOfBlocks();
        final int indexFirstChangedBlock = dynamicLayout.getIndexFirstChangedBlock();
        int endOfPreviousBlock = -1;
        int searchStartIndex = 0;
        for (int i = 0; i < numberOfBlocks; i++) {
            int blockEndLine = blockEndLines[i];
            int blockIndex = blockIndices[i];
            final boolean blockIsInvalid = blockIndex == DynamicLayout.INVALID_BLOCK_INDEX;
            if (blockIsInvalid) {
                blockIndex = getAvailableDisplayListIndex(blockIndices, numberOfBlocks, searchStartIndex);
                // Note how dynamic layout's internal block indices get updated from Editor
                blockIndices[i] = blockIndex;
                if (mTextRenderNodes[blockIndex] != null) {
                    mTextRenderNodes[blockIndex].isDirty = true;
                }
                searchStartIndex = blockIndex + 1;
            }
            if (mTextRenderNodes[blockIndex] == null) {
                mTextRenderNodes[blockIndex] = new TextRenderNode("Text " + blockIndex);
            }
            final boolean blockDisplayListIsInvalid = mTextRenderNodes[blockIndex].needsRecord();
            RenderNode blockDisplayList = mTextRenderNodes[blockIndex].renderNode;
            if (i >= indexFirstChangedBlock || blockDisplayListIsInvalid) {
                final int blockBeginLine = endOfPreviousBlock + 1;
                final int top = layout.getLineTop(blockBeginLine);
                final int bottom = layout.getLineBottom(blockEndLine);
                int left = 0;
                int right = mTextView.getWidth();
                if (mTextView.getHorizontallyScrolling()) {
                    float min = Float.MAX_VALUE;
                    float max = Float.MIN_VALUE;
                    for (int line = blockBeginLine; line <= blockEndLine; line++) {
                        min = Math.min(min, layout.getLineLeft(line));
                        max = Math.max(max, layout.getLineRight(line));
                    }
                    left = (int) min;
                    right = (int) (max + 0.5f);
                }
                // Rebuild display list if it is invalid
                if (blockDisplayListIsInvalid) {
                    final DisplayListCanvas displayListCanvas = blockDisplayList.start(right - left, bottom - top);
                    try {
                        // drawText is always relative to TextView's origin, this translation
                        // brings this range of text back to the top left corner of the viewport
                        displayListCanvas.translate(-left, -top);
                        layout.drawText(displayListCanvas, blockBeginLine, blockEndLine);
                        mTextRenderNodes[blockIndex].isDirty = false;
                    // No need to untranslate, previous context is popped after
                    // drawDisplayList
                    } finally {
                        blockDisplayList.end(displayListCanvas);
                        // Same as drawDisplayList below, handled by our TextView's parent
                        blockDisplayList.setClipToBounds(false);
                    }
                }
                // Valid disply list whose index is >= indexFirstChangedBlock
                // only needs to update its drawing location.
                blockDisplayList.setLeftTopRightBottom(left, top, right, bottom);
            }
            ((DisplayListCanvas) canvas).drawRenderNode(blockDisplayList);
            endOfPreviousBlock = blockEndLine;
        }
        dynamicLayout.setIndexFirstChangedBlock(numberOfBlocks);
    } else {
        // Boring layout is used for empty and hint text
        layout.drawText(canvas, firstLine, lastLine);
    }
}

Example 29 with DisplayListCanvas

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

the class RippleComponent method draw.

/**
     * Draws the ripple to the canvas, inheriting the paint's color and alpha
     * properties.
     *
     * @param c the canvas to which the ripple should be drawn
     * @param p the paint used to draw the ripple
     * @return {@code true} if something was drawn, {@code false} otherwise
     */
public boolean draw(Canvas c, Paint p) {
    final boolean hasDisplayListCanvas = !mForceSoftware && c.isHardwareAccelerated() && c instanceof DisplayListCanvas;
    if (mHasDisplayListCanvas != hasDisplayListCanvas) {
        mHasDisplayListCanvas = hasDisplayListCanvas;
        if (!hasDisplayListCanvas) {
            // We've switched from hardware to non-hardware mode. Panic.
            endHardwareAnimations();
        }
    }
    if (hasDisplayListCanvas) {
        final DisplayListCanvas hw = (DisplayListCanvas) c;
        startPendingAnimation(hw, p);
        if (mHardwareAnimator != null) {
            return drawHardware(hw);
        }
    }
    return drawSoftware(c, p);
}

Example 30 with DisplayListCanvas

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

the class Editor method drawHardwareAccelerated.

private void drawHardwareAccelerated(Canvas canvas, Layout layout, Path highlight, Paint highlightPaint, int cursorOffsetVertical) {
    final long lineRange = layout.getLineRangeForDraw(canvas);
    int firstLine = TextUtils.unpackRangeStartFromLong(lineRange);
    int lastLine = TextUtils.unpackRangeEndFromLong(lineRange);
    if (lastLine < 0)
        return;
    layout.drawBackground(canvas, highlight, highlightPaint, cursorOffsetVertical, firstLine, lastLine);
    if (layout instanceof DynamicLayout) {
        if (mTextRenderNodes == null) {
            mTextRenderNodes = ArrayUtils.emptyArray(TextRenderNode.class);
        }
        DynamicLayout dynamicLayout = (DynamicLayout) layout;
        int[] blockEndLines = dynamicLayout.getBlockEndLines();
        int[] blockIndices = dynamicLayout.getBlockIndices();
        final int numberOfBlocks = dynamicLayout.getNumberOfBlocks();
        final int indexFirstChangedBlock = dynamicLayout.getIndexFirstChangedBlock();
        int endOfPreviousBlock = -1;
        int searchStartIndex = 0;
        for (int i = 0; i < numberOfBlocks; i++) {
            int blockEndLine = blockEndLines[i];
            int blockIndex = blockIndices[i];
            final boolean blockIsInvalid = blockIndex == DynamicLayout.INVALID_BLOCK_INDEX;
            if (blockIsInvalid) {
                blockIndex = getAvailableDisplayListIndex(blockIndices, numberOfBlocks, searchStartIndex);
                // Note how dynamic layout's internal block indices get updated from Editor
                blockIndices[i] = blockIndex;
                if (mTextRenderNodes[blockIndex] != null) {
                    mTextRenderNodes[blockIndex].isDirty = true;
                }
                searchStartIndex = blockIndex + 1;
            }
            if (mTextRenderNodes[blockIndex] == null) {
                mTextRenderNodes[blockIndex] = new TextRenderNode("Text " + blockIndex);
            }
            final boolean blockDisplayListIsInvalid = mTextRenderNodes[blockIndex].needsRecord();
            RenderNode blockDisplayList = mTextRenderNodes[blockIndex].renderNode;
            if (i >= indexFirstChangedBlock || blockDisplayListIsInvalid) {
                final int blockBeginLine = endOfPreviousBlock + 1;
                final int top = layout.getLineTop(blockBeginLine);
                final int bottom = layout.getLineBottom(blockEndLine);
                int left = 0;
                int right = mTextView.getWidth();
                if (mTextView.getHorizontallyScrolling()) {
                    float min = Float.MAX_VALUE;
                    float max = Float.MIN_VALUE;
                    for (int line = blockBeginLine; line <= blockEndLine; line++) {
                        min = Math.min(min, layout.getLineLeft(line));
                        max = Math.max(max, layout.getLineRight(line));
                    }
                    left = (int) min;
                    right = (int) (max + 0.5f);
                }
                // Rebuild display list if it is invalid
                if (blockDisplayListIsInvalid) {
                    final DisplayListCanvas displayListCanvas = blockDisplayList.start(right - left, bottom - top);
                    try {
                        // drawText is always relative to TextView's origin, this translation
                        // brings this range of text back to the top left corner of the viewport
                        displayListCanvas.translate(-left, -top);
                        layout.drawText(displayListCanvas, blockBeginLine, blockEndLine);
                        mTextRenderNodes[blockIndex].isDirty = false;
                    // No need to untranslate, previous context is popped after
                    // drawDisplayList
                    } finally {
                        blockDisplayList.end(displayListCanvas);
                        // Same as drawDisplayList below, handled by our TextView's parent
                        blockDisplayList.setClipToBounds(false);
                    }
                }
                // Valid disply list whose index is >= indexFirstChangedBlock
                // only needs to update its drawing location.
                blockDisplayList.setLeftTopRightBottom(left, top, right, bottom);
            }
            ((DisplayListCanvas) canvas).drawRenderNode(blockDisplayList);
            endOfPreviousBlock = blockEndLine;
        }
        dynamicLayout.setIndexFirstChangedBlock(numberOfBlocks);
    } else {
        // Boring layout is used for empty and hint text
        layout.drawText(canvas, firstLine, lastLine);
    }
}