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remove math functions' calling from constexpr

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This commit is contained in:
houzh 2023-08-03 13:29:21 +08:00
parent ca44726d5e
commit aaa61f11a7
5 changed files with 152 additions and 174 deletions
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4
src/gui/widget/edgeeffect.h
View File

@ -86,8 +86,8 @@ private:
static constexpr float EPSILON = 0.001f;
static constexpr double ANGLE = M_PI / 6.f;
static constexpr float SIN = (float) std::sin(ANGLE);
static constexpr float COS = (float) std::cos(ANGLE);
static constexpr float SIN = 0.5f/*(float) std::sin(ANGLE)*/;
static constexpr float COS = 0.86602540378f/*(float) std::cos(ANGLE)*/;
static constexpr float RADIUS_FACTOR = 0.6f;
float mGlowAlpha;
float mGlowScaleY;

12
src/gui/widget/gridview.cc
View File

@ -108,10 +108,10 @@ int GridView::lookForSelectablePosition(int position, bool lookDown) {
}
void GridView::fillGap(bool down) {
int numColumns = mNumColumns;
int verticalSpacing = mVerticalSpacing;
const int numColumns = mNumColumns;
const int verticalSpacing = mVerticalSpacing;
int count = getChildCount();
const int count = getChildCount();
if (down) {
int paddingTop = 0;
@ -145,12 +145,12 @@ void GridView::fillGap(bool down) {
View* GridView::fillDown(int pos, int nextTop) {
View* selectedView = nullptr;
int end = (mBottom - mTop);
int listEnd = (mBottom - mTop);
if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) {
end -= mListPadding.height;
listEnd -= mListPadding.height;
}
while (nextTop < end && pos < mItemCount) {
while (nextTop < listEnd && pos < mItemCount) {
View* temp = makeRow(pos, nextTop, true);
if (temp != nullptr) {
selectedView = temp;

182
src/gui/widget/listview.cc
View File

@ -63,9 +63,9 @@ int ListView::getMaxScrollAmount()const {
}
void ListView::adjustViewsUpOrDown() {
int delta;
int childCount=getChildCount();
if (childCount > 0) {
int delta = 0;
const int childCount = getChildCount();
if (childCount == 0)return;
if (!mStackFromBottom) {
// Uh-oh -- we came up short. Slide all views up to make them
@ -97,7 +97,6 @@ void ListView::adjustViewsUpOrDown() {
if (delta != 0) offsetChildrenTopAndBottom(-delta);
}
}
void ListView::addHeaderView(View* v,void* data, bool isSelectable) {
if (v->getParent() != nullptr && v->getParent() != this) {
@ -296,10 +295,10 @@ bool ListView::requestChildRectangleOnScreen(View* child, Rect& rect, bool immed
rect.offset(child->getLeft(), child->getTop());
rect.offset(-child->getScrollX(), -child->getScrollY());
int height = getHeight();
const int height = getHeight();
int listUnfadedTop = getScrollY();
int listUnfadedBottom = listUnfadedTop + height;
int fadingEdge = getVerticalFadingEdgeLength();
const int fadingEdge = getVerticalFadingEdgeLength();
if (showingTopFadingEdge()) {
// leave room for top fading edge as long as rect isn't at very top
@ -351,12 +350,12 @@ bool ListView::requestChildRectangleOnScreen(View* child, Rect& rect, bool immed
}
// make sure we aren't scrolling any further than the top our children
int top = getChildAt(0)->getTop();
int deltaToTop = top - listUnfadedTop;
const int top = getChildAt(0)->getTop();
const int deltaToTop = top - listUnfadedTop;
scrollYDelta = std::max(scrollYDelta, deltaToTop);
}
bool scroll = scrollYDelta != 0;
const bool scroll = scrollYDelta != 0;
if (scroll) {
scrollListItemsBy(-scrollYDelta);
positionSelector(INVALID_POSITION, child);
@ -373,7 +372,7 @@ void ListView::fillGap(bool down) {
if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) {
paddingTop = getListPaddingTop();
}
int startOffset = count > 0 ? getChildAt(count - 1)->getBottom() + mDividerHeight :paddingTop;
const int startOffset = count > 0 ? getChildAt(count - 1)->getBottom() + mDividerHeight :paddingTop;
fillDown(mFirstPosition + count, startOffset);
correctTooHigh(getChildCount());
} else {
@ -390,17 +389,19 @@ void ListView::fillGap(bool down) {
View* ListView::fillDown(int pos, int nextTop) {
View* selectedView = nullptr;
int end = (mBottom - mTop);
int listEnd = getHeight();
if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) {
end -= mListPadding.height;
listEnd -= mListPadding.height;
}
while (nextTop < end && pos < mItemCount) {
while (nextTop < listEnd && pos < mItemCount) {
// is this the selected item?
bool selected = pos == mSelectedPosition;
View* child = makeAndAddView(pos, nextTop, true, mListPadding.left, selected);
nextTop = child->getBottom() + mDividerHeight;
LOGV("[%d]%p:%d pos=(%d,%d) nextStart=%d end=%d size=%dx%d listsize=%dx%d",pos,child,child->getId(),
child->getLeft(),child->getBottom(),nextTop,listEnd,
child->getWidth(),child->getHeight(),getWidth(),getHeight());
if (selected) {
selectedView = child;
}
@ -444,9 +445,9 @@ View* ListView::fillFromTop(int nextTop) {
}
View* ListView::fillFromMiddle(int childrenTop, int childrenBottom) {
int height = childrenBottom - childrenTop;
const int height = childrenBottom - childrenTop;
int position = reconcileSelectedPosition();
const int position = reconcileSelectedPosition();
View* sel = makeAndAddView(position, childrenTop, true,mListPadding.left, true);
mFirstPosition = position;
@ -479,7 +480,7 @@ void ListView::fillAboveAndBelow(View* sel, int position) {
}
View* ListView::fillFromSelection(int selectedTop, int childrenTop, int childrenBottom) {
int fadingEdgeLength = getVerticalFadingEdgeLength();
const int fadingEdgeLength = getVerticalFadingEdgeLength();
int selectedPosition = mSelectedPosition;
int topSelectionPixel = getTopSelectionPixel(childrenTop, fadingEdgeLength,selectedPosition);
@ -542,7 +543,7 @@ int ListView::getTopSelectionPixel(int childrenTop, int fadingEdgeLength, int se
}
View* ListView::moveSelection(View* oldSel, View* newSel, int delta, int childrenTop, int childrenBottom){
int fadingEdgeLength = getVerticalFadingEdgeLength();
const int fadingEdgeLength = getVerticalFadingEdgeLength();
int selectedPosition = mSelectedPosition;
View* sel;
@ -570,7 +571,6 @@ View* ListView::moveSelection(View* oldSel, View* newSel, int delta, int childre
oldSel = makeAndAddView(selectedPosition - 1, oldSel->getTop(), true, mListPadding.left, false);
int dividerHeight = mDividerHeight;
// Now put the new selection (B) below that
sel = makeAndAddView(selectedPosition, oldSel->getBottom() + dividerHeight, true, mListPadding.left, true);
@ -799,11 +799,10 @@ void ListView::measureScrapChild(View* child, int position, int widthMeasureSpec
p->viewType = mAdapter->getItemViewType(position);
p->isEnabled = mAdapter->isEnabled(position);
p->forceAdd = true;
int childWidthSpec = ViewGroup::getChildMeasureSpec(widthMeasureSpec,
int childWidthSpec,childHeightSpec;
childWidthSpec = getChildMeasureSpec(widthMeasureSpec,
mListPadding.left + mListPadding.width, p->width);
int lpHeight = p->height;
int childHeightSpec;
const int lpHeight = p->height;
if (lpHeight > 0) {
childHeightSpec = MeasureSpec::makeMeasureSpec(lpHeight, MeasureSpec::EXACTLY);
} else {
@ -938,23 +937,19 @@ View* ListView::fillSpecific(int position, int top) {
}
void ListView::correctTooHigh(int childCount) {
int lastPosition = mFirstPosition + childCount - 1;
const int lastPosition = mFirstPosition + childCount - 1;
if (lastPosition == mItemCount - 1 && childCount > 0) {
// Get the last child ...
const View* lastChild = getChildAt(childCount - 1);
const View* last = getChildAt(childCount - 1);
// ... and its bottom edge
const int lastBottom = lastChild->getBottom();
const int lastBottom = last->getBottom();
// This is bottom of our drawable area
const int end = getHeight()- mListPadding.height;//bottom;
const int listEnd = getHeight()- mListPadding.height;
// This is how far the bottom edge of the last view is from the bottom of the
// drawable area
int bottomOffset = end - lastBottom;
View* firstChild = getChildAt(0);
const int firstTop = firstChild->getTop();
int bottomOffset = listEnd - lastBottom;
const View* first = getChildAt(0);
const int firstTop = first->getTop();
// Make sure we are 1) Too high, and 2) Either there are more rows above the
// first row or the first row is scrolled off the top of the drawable area
@ -968,7 +963,7 @@ void ListView::correctTooHigh(int childCount) {
if (mFirstPosition > 0) {
// Fill the gap that was opened above mFirstPosition with more rows, if
// possible
fillUp(mFirstPosition - 1, firstChild->getTop() - mDividerHeight);
fillUp(mFirstPosition - 1, first->getTop() - mDividerHeight);
// Close up the remaining gap
adjustViewsUpOrDown();
}
@ -978,41 +973,36 @@ void ListView::correctTooHigh(int childCount) {
}
void ListView::correctTooLow(int childCount) {
if (mFirstPosition == 0 && childCount > 0) {
if (mFirstPosition != 0 || childCount == 0) return;
// Get the first child ...
const View* firstChild = getChildAt(0);
const View* first = getChildAt(0);
// ... and its top edge
const int firstTop = firstChild->getTop();
const int firstTop = first->getTop();
// This is top of our drawable area
const int start = mListPadding.top;
const int listStart = mListPadding.top;
// This is bottom of our drawable area
const int end = getHeight()- mListPadding.height;//bottom;
const int listEnd = getHeight()- mListPadding.height;
// This is how far the top edge of the first view is from the top of the
// drawable area
int topOffset = firstTop - start;
View* lastChild = getChildAt(childCount - 1);
const int lastBottom = lastChild->getBottom();
int lastPosition = mFirstPosition + childCount - 1;
int topOffset = firstTop - listStart;
const View* last = getChildAt(childCount - 1);
const int lastBottom = last->getBottom();
const int lastPosition = mFirstPosition + childCount - 1;
// Make sure we are 1) Too low, and 2) Either there are more rows below the
// last row or the last row is scrolled off the bottom of the drawable area
if (topOffset > 0) {
if (lastPosition < mItemCount - 1 || lastBottom > end) {
if (lastPosition < mItemCount - 1 || lastBottom > listEnd) {
if (lastPosition == mItemCount - 1) {
// Don't pull the bottom too far up
topOffset = std::min(topOffset, lastBottom - end);
topOffset = std::min(topOffset, lastBottom - listEnd);
}
// Move everything up
offsetChildrenTopAndBottom(-topOffset);
if (lastPosition < mItemCount - 1) {
// Fill the gap that was opened below the last position with more rows, if
// possible
fillDown(lastPosition + 1, lastChild->getBottom() + mDividerHeight);
fillDown(lastPosition + 1, last->getBottom() + mDividerHeight);
// Close up the remaining gap
adjustViewsUpOrDown();
}
@ -1021,7 +1011,6 @@ void ListView::correctTooLow(int childCount) {
}
}
}
}
void ListView::layoutChildren() {
const bool blockLayoutRequests = mBlockLayoutRequests;
@ -1481,7 +1470,7 @@ void ListView::setupChild(View* child, int position, int y, bool flowDown, int c
child->offsetLeftAndRight(childrenLeft - child->getLeft());
child->offsetTopAndBottom(childTop - child->getTop());
}
LOGD("%p:%d start=%d size=%dx%d ,pos=%d,%d needmeasure=%d flowDown=%d",child,child->getId(),childrenLeft,w,h, child->getLeft(),child->getTop(),needToMeasure,flowDown);
if (mCachingStarted && !child->isDrawingCacheEnabled())
child->setDrawingCacheEnabled(true);
}
@ -1519,29 +1508,28 @@ static int constrain(int amount, int low, int high) {//get the
}
int ListView::lookForSelectablePositionAfter(int current, int position, bool lookDown) {
Adapter* adapter = mAdapter;
if (adapter == nullptr || isInTouchMode()) {
if (mAdapter == nullptr || isInTouchMode()) {
return INVALID_POSITION;
}
// First check after the starting position in the specified direction.
int after = lookForSelectablePosition(position, lookDown);
const int after = lookForSelectablePosition(position, lookDown);
if (after != INVALID_POSITION) {
return after;
}
// Then check between the starting position and the current position.
int count = adapter->getCount();
const int count = mAdapter->getCount();
current = constrain(current, -1, count - 1);
if (lookDown) {
position = std::min(position - 1, count - 1);
while ((position > current) && !adapter->isEnabled(position)) {
while ((position > current) && !mAdapter->isEnabled(position)) {
position--;
}
if (position <= current) return INVALID_POSITION;
} else {
position = std::max(0, position + 1);
while ((position < current) && !adapter->isEnabled(position)) {
while ((position < current) && !mAdapter->isEnabled(position)) {
position++;
}
if (position >= current) return INVALID_POSITION;
@ -1956,8 +1944,8 @@ void ListView::handleNewSelectionChange(View* selectedView, int direction, int n
View* bottomView;
int topViewIndex, bottomViewIndex;
bool topSelected = false;
int selectedIndex = mSelectedPosition - mFirstPosition;
int nextSelectedIndex = newSelectedPosition - mFirstPosition;
const int selectedIndex = mSelectedPosition - mFirstPosition;
const int nextSelectedIndex = newSelectedPosition - mFirstPosition;
if (direction == View::FOCUS_UP) {
topViewIndex = nextSelectedIndex;
bottomViewIndex = selectedIndex;
@ -1971,7 +1959,7 @@ void ListView::handleNewSelectionChange(View* selectedView, int direction, int n
bottomView = getChildAt(bottomViewIndex);
}
int numChildren = getChildCount();
const int numChildren = getChildCount();
// start with top view: is it changing size?
if (topView != nullptr) {
@ -2019,13 +2007,11 @@ void ListView::measureItem(View* child) {
}
void ListView::relayoutMeasuredItem(View* child) {
int w = child->getMeasuredWidth();
int h = child->getMeasuredHeight();
int childLeft = mListPadding.left;
int childRight = childLeft + w;
int childTop = child->getTop();
int childBottom = childTop + h;
child->layout(childLeft, childTop, childRight, childBottom);
const int w = child->getMeasuredWidth();
const int h = child->getMeasuredHeight();
const int childLeft = mListPadding.left;
const int childTop = child->getTop();
child->layout(childLeft, childTop, w, h);
}
int ListView::getArrowScrollPreviewLength() {
@ -2378,12 +2364,12 @@ bool ListView::isOpaque()const {
if (retValue) {
// only return true if the list items cover the entire area of the view
const int listTop = mListPadding.top;
View* first = getChildAt(0);
const View* first = getChildAt(0);
if (first == nullptr || first->getTop() > listTop) {
return false;
}
int listBottom = getHeight() - mListPadding.height;
View* last = getChildAt(getChildCount() - 1);
const View* last = getChildAt(getChildCount() - 1);
if (last == nullptr || last->getBottom() < listBottom) {
return false;
}
@ -2444,11 +2430,9 @@ void ListView::dispatchDraw(Canvas&canvas) {
int dividerHeight = mDividerHeight;
Drawable* overscrollHeader = mOverScrollHeader;
Drawable* overscrollFooter = mOverScrollFooter;
bool bdrawOverscrollHeader = overscrollHeader != nullptr;
bool bdrawOverscrollFooter = overscrollFooter != nullptr;
bool drawDividers = dividerHeight > 0 && mDivider != nullptr;
if (drawDividers || bdrawOverscrollHeader || bdrawOverscrollFooter) {
if (drawDividers || mOverScrollHeader || mOverScrollFooter) {
// Only modify the top and bottom in the loop, we set the left and right here
Rect bounds;
bounds.left = mPaddingLeft;
@ -2482,7 +2466,7 @@ void ListView::dispatchDraw(Canvas&canvas) {
// Draw top divider or header for overscroll
if (count > 0 && mScrollY < 0) {
if (bdrawOverscrollHeader) {
if (mOverScrollHeader) {
bounds.top = 0;
bounds.height = mScrollY;
drawOverscrollHeader(canvas, overscrollHeader, bounds);
@ -2503,7 +2487,7 @@ void ListView::dispatchDraw(Canvas&canvas) {
bool isLastItem = (i == (count - 1));
if (drawDividers && (bottom < listBottom)
&& !(bdrawOverscrollFooter && isLastItem)) {
&& !(mOverScrollFooter && isLastItem)) {
int nextIndex = (itemIndex + 1);
// Draw dividers between enabled items, headers
// and/or footers when enabled and requested, and
@ -2525,7 +2509,7 @@ void ListView::dispatchDraw(Canvas&canvas) {
}
int overFooterBottom = getBottom() + mScrollY;
if (bdrawOverscrollFooter && first + count == itemCount &&
if (mOverScrollFooter && first + count == itemCount &&
overFooterBottom > bottom) {
bounds.top = bottom;
bounds.height = overFooterBottom-bottom;
@ -2534,13 +2518,13 @@ void ListView::dispatchDraw(Canvas&canvas) {
} else {
int top;
if (count > 0 && bdrawOverscrollHeader) {
if (count > 0 && mOverScrollHeader) {
bounds.top = mScrollY;
bounds.height = getChildAt(0)->getTop() - mScrollY;
drawOverscrollHeader(canvas, overscrollHeader, bounds);
}
int start = bdrawOverscrollHeader ? 1 : 0;
int start = mOverScrollHeader ? 1 : 0;
for (int i = start; i < count; i++) {
int itemIndex = (first + i);
bool isHeader = (itemIndex < headerCount);
@ -2577,7 +2561,7 @@ void ListView::dispatchDraw(Canvas&canvas) {
}
if (count > 0 && mScrollY > 0) {
if (bdrawOverscrollFooter) {
if (mOverScrollFooter) {
int absListBottom = getBottom();
bounds.top = absListBottom;
bounds.height = mScrollY;
@ -2771,43 +2755,37 @@ int ListView::getHeightForPosition(int position) {
}
bool ListView::shouldAdjustHeightForDivider(int itemIndex) {
int dividerHeight = mDividerHeight;
Drawable* overscrollHeader = mOverScrollHeader;
Drawable* overscrollFooter = mOverScrollFooter;
bool drawOverscrollHeader = overscrollHeader != nullptr;
bool drawOverscrollFooter = overscrollFooter != nullptr;
bool drawDividers = dividerHeight > 0 && mDivider != nullptr;
const bool drawDividers = mDividerHeight > 0 && mDivider != nullptr;
if (drawDividers) {
bool fillForMissingDividers = isOpaque() && !AbsListView::isOpaque();
int itemCount = mItemCount;
int headerCount = getHeaderViewsCount();
int footerLimit = (itemCount - mFooterViewInfos.size());
bool isHeader = (itemIndex < headerCount);
bool isFooter = (itemIndex >= footerLimit);
bool headerDividers = mHeaderDividersEnabled;
bool footerDividers = mFooterDividersEnabled;
const int itemCount = mItemCount;
const int headerCount = getHeaderViewsCount();
const int footerLimit = (itemCount - mFooterViewInfos.size());
const bool isHeader = (itemIndex < headerCount);
const bool isFooter = (itemIndex >= footerLimit);
const bool headerDividers = mHeaderDividersEnabled;
const bool footerDividers = mFooterDividersEnabled;
if ((headerDividers || !isHeader) && (footerDividers || !isFooter)) {
if (!mStackFromBottom) {
bool isLastItem = (itemIndex == (itemCount - 1));
if (!drawOverscrollFooter || !isLastItem) {
if (!mOverScrollHeader || !isLastItem) {
int nextIndex = itemIndex + 1;
/* Draw dividers between enabled items, headers and/or footers
*when enabled and requested, and after the last enabled item.*/
if (mAdapter->isEnabled(itemIndex) && (headerDividers || !isHeader
&& (nextIndex >= headerCount)) && (isLastItem
|| mAdapter->isEnabled(nextIndex) && (footerDividers || !isFooter
&& (nextIndex < footerLimit)))) {
if (mAdapter->isEnabled(itemIndex) && (headerDividers || !isHeader && (nextIndex >= headerCount))
&& (isLastItem || mAdapter->isEnabled(nextIndex)
&& (footerDividers || !isFooter && (nextIndex < footerLimit)))) {
return true;
} else if (fillForMissingDividers) {
return true;
}
}
} else {
int start = drawOverscrollHeader ? 1 : 0;
bool isFirstItem = (itemIndex == start);
const int start = mOverScrollHeader ? 1 : 0;
const bool isFirstItem = (itemIndex == start);
if (!isFirstItem) {
int previousIndex = (itemIndex - 1);
const int previousIndex = (itemIndex - 1);
// Draw dividers between enabled items, headers
// and/or footers when enabled and requested, and
// before the first enabled item.

2
src/gui/widget/overscroller.h
View File

@ -11,7 +11,7 @@ class SplineOverScroller{
private://constexprs
// Constant gravity value, used in the deceleration phase.
static constexpr float GRAVITY = 2000.0f;
static constexpr float DECELERATION_RATE = (float) (log(0.78) / log(0.9));
static constexpr float DECELERATION_RATE = 2.35967668204509f/*(float) (log(0.78) / log(0.9))*/;
static constexpr float INFLEXION = 0.35f; // Tension lines cross at (INFLEXION, 1)
static constexpr float START_TENSION = 0.5f;
static constexpr float END_TENSION = 1.0f;

2
src/gui/widget/scroller.h
View File

@ -39,7 +39,7 @@ private:
static constexpr int SCROLL_MODE = 0;
static constexpr int FLING_MODE = 1;
static constexpr float DECELERATION_RATE = (float) (log(0.78) / log(0.9));
static constexpr float DECELERATION_RATE = 2.35967668204509f/*(float) (log(0.78) / log(0.9))*/;
static constexpr float INFLEXION = 0.35f; // Tension lines cross at (INFLEXION, 1)
static constexpr float START_TENSION = 0.5f;
static constexpr float END_TENSION = 1.0f;