bool Float::fillFrame() {
auto creating = _frame.isNull();
if (creating) {
_frame = QImage(getInnerRect().size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
_frame.setDevicePixelRatio(cRetinaFactor());
}
auto frameInner = [this] {
return QRect(0, 0, _frame.width() / cIntRetinaFactor(), _frame.height() / cIntRetinaFactor());
};
if (auto reader = getReader()) {
updatePlayback();
auto frame = reader->current();
if (!frame.isNull()) {
_frame.fill(Qt::transparent);
Painter p(&_frame);
PainterHighQualityEnabler hq(p);
p.drawPixmap(frameInner(), frame);
return true;
}
}
if (creating) {
_frame.fill(Qt::transparent);
Painter p(&_frame);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(st::imageBg);
p.drawEllipse(frameInner());
}
return false;
}
bool FadeAnimation::paint(Painter &p) {
if (_cache.isNull()) return false;
const auto cache = _cache;
auto opacity = _animation.value(_visible ? 1. : 0.);
p.setOpacity(opacity);
if (_scale < 1.) {
PainterHighQualityEnabler hq(p);
auto targetRect = QRect(
(1 - kWideScale) / 2 * _size.width(),
(1 - kWideScale) / 2 * _size.height(),
kWideScale * _size.width(),
kWideScale * _size.height());
auto scale = opacity + (1. - opacity) * _scale;
auto shownWidth = anim::interpolate(
(1 - kWideScale) / 2 * _size.width(),
0,
scale);
auto shownHeight = anim::interpolate(
(1 - kWideScale) / 2 * _size.height(),
0,
scale);
auto margins = QMargins(
shownWidth,
shownHeight,
shownWidth,
shownHeight);
p.drawPixmap(targetRect.marginsAdded(margins), cache);
} else {
p.drawPixmap(0, 0, cache);
}
return true;
}
void EmojiButton::paintEvent(QPaintEvent *e) {
Painter p(this);
auto ms = getms();
p.fillRect(e->rect(), st::historyComposeAreaBg);
paintRipple(p, _st.rippleAreaPosition.x(), _st.rippleAreaPosition.y(), ms);
auto loading = a_loading.current(ms, _loading ? 1 : 0);
p.setOpacity(1 - loading);
auto over = isOver();
auto icon = &(over ? _st.iconOver : _st.icon);
icon->paint(p, _st.iconPosition, width());
p.setOpacity(1.);
auto pen = (over ? st::historyEmojiCircleFgOver : st::historyEmojiCircleFg)->p;
pen.setWidth(st::historyEmojiCircleLine);
pen.setCapStyle(Qt::RoundCap);
p.setPen(pen);
p.setBrush(Qt::NoBrush);
PainterHighQualityEnabler hq(p);
QRect inner(QPoint((width() - st::historyEmojiCircle.width()) / 2, st::historyEmojiCircleTop), st::historyEmojiCircle);
if (loading > 0) {
int32 full = FullArcLength;
int32 start = qRound(full * float64(ms % st::historyEmojiCirclePeriod) / st::historyEmojiCirclePeriod), part = qRound(loading * full / st::historyEmojiCirclePart);
p.drawArc(inner, start, full - part);
} else {
p.drawEllipse(inner);
}
}
void FilledSlider::paintEvent(QPaintEvent *e) {
Painter p(this);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
auto masterOpacity = fadeOpacity();
auto ms = getms();
auto disabled = isDisabled();
auto over = getCurrentOverFactor(ms);
auto lineWidth = _st.lineWidth + ((_st.fullWidth - _st.lineWidth) * over);
auto lineWidthRounded = qFloor(lineWidth);
auto lineWidthPartial = lineWidth - lineWidthRounded;
auto seekRect = getSeekRect();
auto value = getCurrentValue(ms);
auto from = seekRect.x(), mid = qRound(from + value * seekRect.width()), end = from + seekRect.width();
if (mid > from) {
p.setOpacity(masterOpacity);
p.fillRect(from, height() - lineWidthRounded, (mid - from), lineWidthRounded, disabled ? _st.disabledFg : _st.activeFg);
if (lineWidthPartial > 0.01) {
p.setOpacity(masterOpacity * lineWidthPartial);
p.fillRect(from, height() - lineWidthRounded - 1, (mid - from), 1, disabled ? _st.disabledFg : _st.activeFg);
}
}
if (end > mid && over > 0) {
p.setOpacity(masterOpacity * over);
p.fillRect(mid, height() - lineWidthRounded, (end - mid), lineWidthRounded, _st.inactiveFg);
if (lineWidthPartial > 0.01) {
p.setOpacity(masterOpacity * over * lineWidthPartial);
p.fillRect(mid, height() - lineWidthRounded - 1, (end - mid), 1, _st.inactiveFg);
}
}
}
void Float::paintEvent(QPaintEvent *e) {
Painter p(this);
p.setOpacity(_opacity);
p.drawPixmap(0, 0, _shadow);
if (!fillFrame() && _toggleCallback) {
_toggleCallback(false);
}
auto inner = getInnerRect();
p.drawImage(inner.topLeft(), _frame);
auto progress = _roundPlayback ? _roundPlayback->value(getms()) : 1.;
if (progress > 0.) {
auto pen = st::historyVideoMessageProgressFg->p;
auto was = p.pen();
pen.setWidth(st::radialLine);
pen.setCapStyle(Qt::RoundCap);
p.setPen(pen);
p.setOpacity(_opacity * st::historyVideoMessageProgressOpacity);
auto from = QuarterArcLength;
auto len = -qRound(FullArcLength * progress);
auto stepInside = st::radialLine / 2;
{
PainterHighQualityEnabler hq(p);
p.drawArc(inner.marginsRemoved(QMargins(stepInside, stepInside, stepInside, stepInside)), from, len);
}
//p.setPen(was);
//p.setOpacity(_opacity);
}
}
void DrawStaticLoading(
QPainter &p,
QRectF rect,
int stroke,
QPen pen,
QBrush brush) {
PainterHighQualityEnabler hq(p);
p.setBrush(brush);
pen.setWidthF(stroke);
pen.setCapStyle(Qt::RoundCap);
pen.setJoinStyle(Qt::RoundJoin);
p.setPen(pen);
p.drawEllipse(rect);
const auto center = rect.center();
const auto first = QPointF(center.x(), rect.y() + 1.5 * stroke);
const auto delta = center.y() - first.y();
const auto second = QPointF(center.x() + delta * 2 / 3., center.y());
if (delta > 0) {
QPainterPath path;
path.moveTo(first);
path.lineTo(center);
path.lineTo(second);
p.drawPath(path);
}
}
void MediaSlider::paintEvent(QPaintEvent *e) {
Painter p(this);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setOpacity(fadeOpacity());
auto horizontal = isHorizontal();
auto ms = getms();
auto radius = _st.width / 2;
auto disabled = isDisabled();
auto over = getCurrentOverFactor(ms);
auto seekRect = getSeekRect();
auto value = getCurrentValue(ms);
// invert colors and value for vertical
if (!horizontal) value = 1. - value;
auto markerFrom = (horizontal ? seekRect.x() : seekRect.y());
auto markerLength = (horizontal ? seekRect.width() : seekRect.height());
auto from = _alwaysDisplayMarker ? 0 : markerFrom;
auto length = _alwaysDisplayMarker ? (horizontal ? width() : height()) : markerLength;
auto mid = qRound(from + value * length);
auto end = from + length;
auto activeFg = disabled ? _st.activeFgDisabled : anim::brush(_st.activeFg, _st.activeFgOver, over);
auto inactiveFg = disabled ? _st.inactiveFgDisabled : anim::brush(_st.inactiveFg, _st.inactiveFgOver, over);
if (mid > from) {
auto fromClipRect = horizontal ? QRect(0, 0, mid, height()) : QRect(0, 0, width(), mid);
auto fromRect = horizontal
? QRect(from, (height() - _st.width) / 2, mid + radius - from, _st.width)
: QRect((width() - _st.width) / 2, from, _st.width, mid + radius - from);
p.setClipRect(fromClipRect);
p.setBrush(horizontal ? activeFg : inactiveFg);
p.drawRoundedRect(fromRect, radius, radius);
}
if (end > mid) {
auto endClipRect = horizontal ? QRect(mid, 0, width() - mid, height()) : QRect(0, mid, width(), height() - mid);
auto endRect = horizontal
? QRect(mid - radius, (height() - _st.width) / 2, end - (mid - radius), _st.width)
: QRect((width() - _st.width) / 2, mid - radius, _st.width, end - (mid - radius));
p.setClipRect(endClipRect);
p.setBrush(horizontal ? inactiveFg : activeFg);
p.drawRoundedRect(endRect, radius, radius);
}
auto markerSizeRatio = disabled ? 0. : (_alwaysDisplayMarker ? 1. : over);
if (markerSizeRatio > 0) {
auto position = qRound(markerFrom + value * markerLength) - (horizontal ? seekRect.x() : seekRect.y());
auto seekButton = horizontal
? QRect(position, (height() - _st.seekSize.height()) / 2, _st.seekSize.width(), _st.seekSize.height())
: QRect((width() - _st.seekSize.width()) / 2, position, _st.seekSize.width(), _st.seekSize.height());
auto size = horizontal ? _st.seekSize.width() : _st.seekSize.height();
auto remove = static_cast<int>(((1. - markerSizeRatio) * size) / 2.);
if (remove * 2 < size) {
p.setClipRect(rect());
p.setBrush(activeFg);
p.drawEllipse(seekButton.marginsRemoved(QMargins(remove, remove, remove, remove)));
}
}
}
void CalendarBox::Inner::paintRows(Painter &p, QRect clip) {
p.setFont(st::calendarDaysFont);
auto ms = getms();
auto y = rowsTop();
auto index = -_context->daysShift();
auto highlightedIndex = _context->highlightedIndex();
for (auto row = 0, rowsCount = _context->rowsCount(), daysCount = _context->daysCount()
; row != rowsCount
; ++row, y += st::calendarCellSize.height()) {
auto x = rowsLeft();
if (!myrtlrect(x, y, st::calendarCellSize.width() * kDaysInWeek, st::calendarCellSize.height()).intersects(clip)) {
index += kDaysInWeek;
continue;
}
for (auto col = 0; col != kDaysInWeek; ++col, ++index, x += st::calendarCellSize.width()) {
auto rect = myrtlrect(x, y, st::calendarCellSize.width(), st::calendarCellSize.height());
auto grayedOut = (index < 0 || index >= daysCount || !rect.intersects(clip));
auto highlighted = (index == highlightedIndex);
auto enabled = _context->isEnabled(index);
auto innerLeft = x + (st::calendarCellSize.width() - st::calendarCellInner) / 2;
auto innerTop = y + (st::calendarCellSize.height() - st::calendarCellInner) / 2;
if (highlighted) {
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(grayedOut ? st::windowBgOver : st::dialogsBgActive);
p.drawEllipse(myrtlrect(innerLeft, innerTop, st::calendarCellInner, st::calendarCellInner));
p.setBrush(Qt::NoBrush);
}
auto it = _ripples.find(index);
if (it != _ripples.cend()) {
auto colorOverride = [highlighted, grayedOut] {
if (highlighted) {
return grayedOut ? st::windowBgRipple : st::dialogsRippleBgActive;
}
return st::windowBgOver;
};
it->second->paint(p, innerLeft, innerTop, width(), ms, &(colorOverride()->c));
if (it->second->empty()) {
_ripples.erase(it);
}
}
if (highlighted) {
p.setPen(grayedOut ? st::windowSubTextFg : st::dialogsNameFgActive);
} else if (enabled) {
p.setPen(grayedOut ? st::windowSubTextFg : st::boxTextFg);
} else {
p.setPen(st::windowSubTextFg);
}
p.drawText(rect, _context->labelFromIndex(index), style::al_center);
}
}
}
double *iter(double *y0, double x0, double a, double h, double *y, int cnt)
{
int i;
double tmp;
double *hlp = malloc (cnt * sizeof(double));
for (i = 0; i < cnt; i++)
{
tmp = func[i](x0, y0);
y[i] = y0[i] + ((1 - a) * tmp + a * func[i](x0 + h / (2 * a), hq(y0, h,tmp, a, cnt, hlp))) * h;
}
free(hlp);
return y;
}
bool MultiSelect::Inner::Item::paintCached(Painter &p, int x, int y, int outerWidth) {
PainterHighQualityEnabler hq(p);
auto opacity = _visibility.current(_hiding ? 0. : 1.);
auto scale = opacity + _st.minScale * (1. - opacity);
auto height = opacity * _cache.height() / _cache.devicePixelRatio();
auto width = opacity * _cache.width() / _cache.devicePixelRatio();
p.setOpacity(opacity);
p.drawPixmap(rtlrect(x + (_width - width) / 2., y + (_st.height - height) / 2., width, height, outerWidth), _cache);
p.setOpacity(1.);
return true;
}
void MultiSelect::Inner::Item::paintDeleteButton(Painter &p, int x, int y, int outerWidth, float64 overOpacity) {
p.setOpacity(overOpacity);
p.setPen(Qt::NoPen);
p.setBrush(_color);
{
PainterHighQualityEnabler hq(p);
p.drawEllipse(rtlrect(x, y, _st.height, _st.height, outerWidth));
}
CrossAnimation::paint(p, _st.deleteCross, _st.deleteFg, x, y, outerWidth, overOpacity);
p.setOpacity(1.);
}
QImage RippleAnimation::maskByDrawer(QSize size, bool filled, Fn<void(QPainter &p)> drawer) {
auto result = QImage(size * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(cRetinaFactor());
result.fill(filled ? QColor(255, 255, 255) : Qt::transparent);
if (drawer) {
Painter p(&result);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(QColor(255, 255, 255));
drawer(p);
}
return result;
}
void Float::prepareShadow() {
auto shadow = QImage(size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
shadow.fill(Qt::transparent);
shadow.setDevicePixelRatio(cRetinaFactor());
{
Painter p(&shadow);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(st::shadowFg);
auto extend = 2 * st::lineWidth;
p.drawEllipse(getInnerRect().marginsAdded(QMargins(extend, extend, extend, extend)));
}
_shadow = App::pixmapFromImageInPlace(Images::prepareBlur(std::move(shadow)));
}
void SendButton::paintEvent(QPaintEvent *e) {
Painter p(this);
auto ms = getms();
auto over = (isDown() || isOver());
auto changed = _a_typeChanged.current(ms, 1.);
if (changed < 1.) {
PainterHighQualityEnabler hq(p);
p.setOpacity(1. - changed);
auto targetRect = QRect((1 - kWideScale) / 2 * width(), (1 - kWideScale) / 2 * height(), kWideScale * width(), kWideScale * height());
auto hiddenWidth = anim::interpolate(0, (1 - kWideScale) / 2 * width(), changed);
auto hiddenHeight = anim::interpolate(0, (1 - kWideScale) / 2 * height(), changed);
p.drawPixmap(targetRect.marginsAdded(QMargins(hiddenWidth, hiddenHeight, hiddenWidth, hiddenHeight)), _contentFrom);
p.setOpacity(changed);
auto shownWidth = anim::interpolate((1 - kWideScale) / 2 * width(), 0, changed);
auto shownHeight = anim::interpolate((1 - kWideScale) / 2 * height(), 0, changed);
p.drawPixmap(targetRect.marginsAdded(QMargins(shownWidth, shownHeight, shownWidth, shownHeight)), _contentTo);
} else if (_type == Type::Record) {
auto recordActive = recordActiveRatio();
auto rippleColor = anim::color(st::historyAttachEmoji.ripple.color, st::historyRecordVoiceRippleBgActive, recordActive);
paintRipple(p, (width() - st::historyAttachEmoji.rippleAreaSize) / 2, st::historyAttachEmoji.rippleAreaPosition.y(), ms, &rippleColor);
auto fastIcon = [recordActive, over, this] {
if (recordActive == 1.) {
return &st::historyRecordVoiceActive;
} else if (over) {
return &st::historyRecordVoiceOver;
}
return &st::historyRecordVoice;
};
fastIcon()->paintInCenter(p, rect());
if (recordActive > 0. && recordActive < 1.) {
p.setOpacity(recordActive);
st::historyRecordVoiceActive.paintInCenter(p, rect());
p.setOpacity(1.);
}
} else if (_type == Type::Save) {
auto &saveIcon = over ? st::historyEditSaveIconOver : st::historyEditSaveIcon;
saveIcon.paint(p, st::historySendIconPosition, width());
} else if (_type == Type::Cancel) {
paintRipple(p, (width() - st::historyAttachEmoji.rippleAreaSize) / 2, st::historyAttachEmoji.rippleAreaPosition.y(), ms);
auto &cancelIcon = over ? st::historyReplyCancelIconOver : st::historyReplyCancelIcon;
cancelIcon.paintInCenter(p, rect());
} else {
auto &sendIcon = over ? st::historySendIconOver : st::historySendIcon;
sendIcon.paint(p, st::historySendIconPosition, width());
}
}
void PlayButtonLayout::paintPlayToCancel(Painter &p, const QBrush &brush, float64 progress) {
static const auto sqrt2 = sqrt(2.);
auto playLeft = 0. + _st.playPosition.x();
auto playTop = 0. + _st.playPosition.y();
auto playWidth = _st.playOuter.width() - 2 * playLeft;
auto playHeight = _st.playOuter.height() - 2 * playTop;
auto cancelLeft = 0. + _st.cancelPosition.x();
auto cancelTop = 0. + _st.cancelPosition.y();
auto cancelWidth = _st.cancelOuter.width() - 2 * cancelLeft;
auto cancelHeight = _st.cancelOuter.height() - 2 * cancelTop;
auto cancelStroke = (0. + _st.cancelStroke) / sqrt2;
p.setPen(Qt::NoPen);
PainterHighQualityEnabler hq(p);
QPointF pathPlay[] = {
{ playLeft, playTop },
{ playLeft, playTop },
{ playLeft + (playWidth / 2.), playTop + (playHeight / 4.) },
{ playLeft + playWidth, playTop + (playHeight / 2.) },
{ playLeft + playWidth, playTop + (playHeight / 2.) },
{ playLeft + playWidth, playTop + (playHeight / 2.) },
{ playLeft + playWidth, playTop + (playHeight / 2.) },
{ playLeft + playWidth, playTop + (playHeight / 2.) },
{ playLeft + (playWidth / 2.), playTop + (3 * playHeight / 4.) },
{ playLeft, playTop + playHeight },
{ playLeft, playTop + playHeight },
{ playLeft, playTop + (playHeight / 2.) },
};
QPointF pathCancel[] = {
{ cancelLeft, cancelTop + cancelStroke },
{ cancelLeft + cancelStroke, cancelTop },
{ cancelLeft + (cancelWidth / 2.), cancelTop + (cancelHeight / 2.) - cancelStroke },
{ cancelLeft + cancelWidth - cancelStroke, cancelTop },
{ cancelLeft + cancelWidth, cancelTop + cancelStroke },
{ cancelLeft + (cancelWidth / 2.) + cancelStroke, cancelTop + (cancelHeight / 2.) },
{ cancelLeft + cancelWidth, cancelTop + cancelHeight - cancelStroke },
{ cancelLeft + cancelWidth - cancelStroke, cancelTop + cancelHeight },
{ cancelLeft + (cancelWidth / 2.), cancelTop + (cancelHeight / 2.) + cancelStroke },
{ cancelLeft + cancelStroke, cancelTop + cancelHeight },
{ cancelLeft, cancelTop + cancelHeight - cancelStroke },
{ cancelLeft + (cancelWidth / 2.) - cancelStroke, cancelTop + (cancelHeight / 2.) },
};
p.fillPath(interpolatePaths(pathPlay, pathCancel, progress), brush);
}
void PlayButtonLayout::paintPlay(Painter &p, const QBrush &brush) {
auto playLeft = 0. + _st.playPosition.x();
auto playTop = 0. + _st.playPosition.y();
auto playWidth = _st.playOuter.width() - 2 * playLeft;
auto playHeight = _st.playOuter.height() - 2 * playTop;
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
QPainterPath pathPlay;
pathPlay.moveTo(playLeft, playTop);
pathPlay.lineTo(playLeft + playWidth, playTop + (playHeight / 2.));
pathPlay.lineTo(playLeft, playTop + playHeight);
pathPlay.lineTo(playLeft, playTop);
p.fillPath(pathPlay, brush);
}
void PlayButtonLayout::paintPauseToCancel(Painter &p, const QBrush &brush, float64 progress) {
static const auto sqrt2 = sqrt(2.);
auto pauseLeft = 0. + _st.pausePosition.x();
auto pauseTop = 0. + _st.pausePosition.y();
auto pauseWidth = _st.pauseOuter.width() - 2 * pauseLeft;
auto pauseHeight = _st.pauseOuter.height() - 2 * pauseTop;
auto pauseStroke = 0. + _st.pauseStroke;
auto cancelLeft = 0. + _st.cancelPosition.x();
auto cancelTop = 0. + _st.cancelPosition.y();
auto cancelWidth = _st.cancelOuter.width() - 2 * cancelLeft;
auto cancelHeight = _st.cancelOuter.height() - 2 * cancelTop;
auto cancelStroke = (0. + _st.cancelStroke) / sqrt2;
p.setPen(Qt::NoPen);
PainterHighQualityEnabler hq(p);
QPointF pathLeftPause[] = {
{ pauseLeft, pauseTop },
{ pauseLeft + pauseStroke, pauseTop },
{ pauseLeft + pauseStroke, pauseTop + pauseHeight },
{ pauseLeft, pauseTop + pauseHeight },
};
QPointF pathLeftCancel[] = {
{ cancelLeft, cancelTop + cancelStroke },
{ cancelLeft + cancelStroke, cancelTop },
{ cancelLeft + cancelWidth, cancelTop + cancelHeight - cancelStroke },
{ cancelLeft + cancelWidth - cancelStroke, cancelTop + cancelHeight },
};
p.fillPath(interpolatePaths(pathLeftPause, pathLeftCancel, progress), brush);
QPointF pathRightPause[] = {
{ pauseLeft + pauseWidth - pauseStroke, pauseTop },
{ pauseLeft + pauseWidth, pauseTop },
{ pauseLeft + pauseWidth, pauseTop + pauseHeight },
{ pauseLeft + pauseWidth - pauseStroke, pauseTop + pauseHeight },
};
QPointF pathRightCancel[] = {
{ cancelLeft + cancelWidth - cancelStroke, cancelTop },
{ cancelLeft + cancelWidth, cancelTop + cancelStroke },
{ cancelLeft + cancelStroke, cancelTop + cancelHeight },
{ cancelLeft, cancelTop + cancelHeight - cancelStroke },
};
p.fillPath(interpolatePaths(pathRightPause, pathRightCancel, progress), brush);
}
inline void fromCoordAToCoordB(const Vec3r&p,
Vec3r& q,
const real transform[4][4]) {
HVec3r hp(p);
HVec3r hq(0, 0, 0, 0);
for (unsigned i = 0; i < 4; i++)
for (unsigned j = 0; j < 4; j++)
hq[i] += transform[i][j] * hp[j];
if(hq[3] == 0) {
q = p;
return;
}
for (unsigned k = 0; k < 3; k++)
q[k] = hq[k] / hq[3];
}
void NewAvatarButton::paintEvent(QPaintEvent *e) {
Painter p(this);
if (!_image.isNull()) {
p.drawPixmap(0, 0, _image);
return;
}
p.setPen(Qt::NoPen);
p.setBrush(isOver() ? st::defaultActiveButton.textBgOver : st::defaultActiveButton.textBg);
{
PainterHighQualityEnabler hq(p);
p.drawEllipse(rect());
}
paintRipple(p, 0, 0, getms());
st::newGroupPhotoIcon.paint(p, _position, width());
}
void PlayButtonLayout::paintPlayToPause(Painter &p, const QBrush &brush, float64 progress) {
auto playLeft = 0. + _st.playPosition.x();
auto playTop = 0. + _st.playPosition.y();
auto playWidth = _st.playOuter.width() - 2 * playLeft;
auto playHeight = _st.playOuter.height() - 2 * playTop;
auto pauseLeft = 0. + _st.pausePosition.x();
auto pauseTop = 0. + _st.pausePosition.y();
auto pauseWidth = _st.pauseOuter.width() - 2 * pauseLeft;
auto pauseHeight = _st.pauseOuter.height() - 2 * pauseTop;
auto pauseStroke = 0. + _st.pauseStroke;
p.setPen(Qt::NoPen);
PainterHighQualityEnabler hq(p);
QPointF pathLeftPause[] = {
{ pauseLeft, pauseTop },
{ pauseLeft + pauseStroke, pauseTop },
{ pauseLeft + pauseStroke, pauseTop + pauseHeight },
{ pauseLeft, pauseTop + pauseHeight },
};
QPointF pathLeftPlay[] = {
{ playLeft, playTop },
{ playLeft + (playWidth / 2.), playTop + (playHeight / 4.) },
{ playLeft + (playWidth / 2.), playTop + (3 * playHeight / 4.) },
{ playLeft, playTop + playHeight },
};
p.fillPath(interpolatePaths(pathLeftPlay, pathLeftPause, progress), brush);
QPointF pathRightPause[] = {
{ pauseLeft + pauseWidth - pauseStroke, pauseTop },
{ pauseLeft + pauseWidth, pauseTop },
{ pauseLeft + pauseWidth, pauseTop + pauseHeight },
{ pauseLeft + pauseWidth - pauseStroke, pauseTop + pauseHeight },
};
QPointF pathRightPlay[] = {
{ playLeft + (playWidth / 2.), playTop + (playHeight / 4.) },
{ playLeft + playWidth, playTop + (playHeight / 2.) },
{ playLeft + playWidth, playTop + (playHeight / 2.) },
{ playLeft + (playWidth / 2.), playTop + (3 * playHeight / 4.) },
};
p.fillPath(interpolatePaths(pathRightPlay, pathRightPause, progress), brush);
}
// Emulates Ui::RoundImageCheckbox::paint() in a checked state.
void PeerListRow::paintDisabledCheckUserpic(
Painter &p,
const style::PeerListItem &st,
int x,
int y,
int outerWidth) const {
auto userpicRadius = st::contactsPhotoCheckbox.imageSmallRadius;
auto userpicShift = st::contactsPhotoCheckbox.imageRadius - userpicRadius;
auto userpicDiameter = st::contactsPhotoCheckbox.imageRadius * 2;
auto userpicLeft = x + userpicShift;
auto userpicTop = y + userpicShift;
auto userpicEllipse = rtlrect(x, y, userpicDiameter, userpicDiameter, outerWidth);
auto userpicBorderPen = st::contactsPhotoDisabledCheckFg->p;
userpicBorderPen.setWidth(st::contactsPhotoCheckbox.selectWidth);
auto iconDiameter = st::contactsPhotoCheckbox.check.size;
auto iconLeft = x + userpicDiameter + st::contactsPhotoCheckbox.selectWidth - iconDiameter;
auto iconTop = y + userpicDiameter + st::contactsPhotoCheckbox.selectWidth - iconDiameter;
auto iconEllipse = rtlrect(iconLeft, iconTop, iconDiameter, iconDiameter, outerWidth);
auto iconBorderPen = st::contactsPhotoCheckbox.check.border->p;
iconBorderPen.setWidth(st::contactsPhotoCheckbox.selectWidth);
if (_isSavedMessagesChat) {
Ui::EmptyUserpic::PaintSavedMessages(p, userpicLeft, userpicTop, outerWidth, userpicRadius * 2);
} else {
peer()->paintUserpicLeft(p, userpicLeft, userpicTop, outerWidth, userpicRadius * 2);
}
{
PainterHighQualityEnabler hq(p);
p.setPen(userpicBorderPen);
p.setBrush(Qt::NoBrush);
p.drawEllipse(userpicEllipse);
p.setPen(iconBorderPen);
p.setBrush(st::contactsPhotoDisabledCheckFg);
p.drawEllipse(iconEllipse);
}
st::contactsPhotoCheckbox.check.check.paint(p, iconEllipse.topLeft(), outerWidth);
}
void PaintInterpolatedIcon(
Painter &p,
const style::icon &a,
const style::icon &b,
float64 b_ratio,
QRect rect) {
PainterHighQualityEnabler hq(p);
p.save();
p.translate(rect.center());
p.setOpacity(b_ratio);
p.scale(b_ratio, b_ratio);
b.paintInCenter(p, rect.translated(-rect.center()));
p.restore();
p.save();
p.translate(rect.center());
p.setOpacity(1. - b_ratio);
p.scale(1. - b_ratio, 1. - b_ratio);
a.paintInCenter(p, rect.translated(-rect.center()));
p.restore();
}
void MultiSelect::Inner::Item::paintOnce(Painter &p, int x, int y, int outerWidth, TimeMs ms) {
if (!_cache.isNull()) {
paintCached(p, x, y, outerWidth);
return;
}
auto radius = _st.height / 2;
auto inner = rtlrect(x + radius, y, _width - radius, _st.height, outerWidth);
auto clipEnabled = p.hasClipping();
auto clip = clipEnabled ? p.clipRegion() : QRegion();
p.setClipRect(inner);
p.setPen(Qt::NoPen);
p.setBrush(_active ? _st.textActiveBg : _st.textBg);
{
PainterHighQualityEnabler hq(p);
p.drawRoundedRect(rtlrect(x, y, _width, _st.height, outerWidth), radius, radius);
}
if (clipEnabled) {
p.setClipRegion(clip);
} else {
p.setClipping(false);
}
auto overOpacity = _overOpacity.current(ms, _over ? 1. : 0.);
if (overOpacity < 1.) {
_paintRoundImage(p, x, y, outerWidth, _st.height);
}
if (overOpacity > 0.) {
paintDeleteButton(p, x, y, outerWidth, overOpacity);
}
auto textLeft = _st.height + _st.padding.left();
auto textWidth = _width - textLeft - _st.padding.right();
p.setPen(_active ? _st.textActiveFg : _st.textFg);
_text.drawLeftElided(p, x + textLeft, y + _st.padding.top(), textWidth, outerWidth);
}
void InfiniteRadialAnimation::draw(
Painter &p,
QPoint position,
QSize size,
int outerWidth) {
const auto state = computeState();
auto o = p.opacity();
p.setOpacity(o * state.shown);
const auto rect = rtlrect(
position.x(),
position.y(),
size.width(),
size.height(),
outerWidth);
const auto was = p.pen();
const auto brush = p.brush();
if (anim::Disabled()) {
anim::DrawStaticLoading(p, rect, _st.thickness, _st.color);
} else {
auto pen = _st.color->p;
pen.setWidth(_st.thickness);
pen.setCapStyle(Qt::RoundCap);
p.setPen(pen);
{
PainterHighQualityEnabler hq(p);
p.drawArc(
rect,
state.arcFrom,
state.arcLength);
}
}
p.setPen(was);
p.setBrush(brush);
p.setOpacity(o);
}
void RippleAnimation::Ripple::paint(QPainter &p, const QPixmap &mask, const QColor *colorOverride) {
auto opacity = _hide.value(_hiding ? 0. : 1.);
if (opacity == 0.) {
return;
}
if (_cache.isNull() || colorOverride != nullptr) {
auto radius = anim::interpolate(_radiusFrom, _radiusTo, _show.value(1.));
_frame.fill(Qt::transparent);
{
Painter p(&_frame);
p.setPen(Qt::NoPen);
if (colorOverride) {
p.setBrush(*colorOverride);
} else {
p.setBrush(_st.color);
}
{
PainterHighQualityEnabler hq(p);
p.drawEllipse(_origin, radius, radius);
}
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.drawPixmap(0, 0, mask);
}
if (radius == _radiusTo && colorOverride == nullptr) {
_cache = App::pixmapFromImageInPlace(std::move(_frame));
}
}
auto saved = p.opacity();
if (opacity != 1.) p.setOpacity(saved * opacity);
if (_cache.isNull()) {
p.drawImage(0, 0, _frame);
} else {
p.drawPixmap(0, 0, _cache);
}
if (opacity != 1.) p.setOpacity(saved);
}
void UploadAnimation::paintFrame(Painter &p, style::color color, int x, int y, int outerWidth, int frameMs) {
PainterHighQualityEnabler hq(p);
auto pen = color->p;
pen.setWidth(st::historySendActionUploadStrokeNumerator / st::historySendActionUploadDenominator);
pen.setJoinStyle(Qt::RoundJoin);
pen.setCapStyle(Qt::RoundCap);
p.setPen(pen);
p.setBrush(Qt::NoBrush);
auto progress = frameMs / float64(st::historySendActionUploadDuration);
auto position = QPointF(x + st::historySendActionUploadDelta * progress, y) + st::historySendActionUploadPosition;
auto path = QPainterPath();
path.moveTo(0., -st::historySendActionUploadSizeNumerator / st::historySendActionUploadDenominator);
path.lineTo(st::historySendActionUploadSizeNumerator / st::historySendActionUploadDenominator, 0.);
path.lineTo(0., st::historySendActionUploadSizeNumerator / st::historySendActionUploadDenominator);
p.translate(position);
for (auto i = 0; i != kUploadArrowsCount; ++i) {
p.setOpacity((i == 0) ? progress : (i == kUploadArrowsCount - 1) ? (1. - progress) : 1.);
p.drawPath(path);
position.setX(position.x() + st::historySendActionUploadDelta);
p.translate(st::historySendActionUploadDelta, 0);
}
p.setOpacity(1.);
p.translate(-position);
}
void RadialAnimation::draw(
Painter &p,
const QRect &inner,
int32 thickness,
style::color color) {
const auto state = computeState();
auto o = p.opacity();
p.setOpacity(o * state.shown);
auto pen = color->p;
auto was = p.pen();
pen.setWidth(thickness);
pen.setCapStyle(Qt::RoundCap);
p.setPen(pen);
{
PainterHighQualityEnabler hq(p);
p.drawArc(inner, state.arcFrom, state.arcLength);
}
p.setPen(was);
p.setOpacity(o);
}
void RadialAnimation::draw(Painter &p, const QRect &inner, int32 thickness, style::color color) {
float64 o = p.opacity();
p.setOpacity(o * _opacity);
QPen pen(color->p), was(p.pen());
pen.setWidth(thickness);
pen.setCapStyle(Qt::RoundCap);
p.setPen(pen);
auto len = MinArcLength + qRound(a_arcEnd.current());
auto from = QuarterArcLength - qRound(a_arcStart.current()) - len;
if (rtl()) {
from = QuarterArcLength - (from - QuarterArcLength) - len;
if (from < 0) from += FullArcLength;
}
{
PainterHighQualityEnabler hq(p);
p.drawArc(inner, from, len);
}
p.setPen(was);
p.setOpacity(o);
}
void HistoryPhoto::drawGrouped(
Painter &p,
const QRect &clip,
TextSelection selection,
crl::time ms,
const QRect &geometry,
RectParts corners,
not_null<uint64*> cacheKey,
not_null<QPixmap*> cache) const {
_data->automaticLoad(_realParent->fullId(), _parent->data());
validateGroupedCache(geometry, corners, cacheKey, cache);
const auto selected = (selection == FullSelection);
const auto loaded = _data->loaded();
const auto displayLoading = _data->displayLoading();
const auto bubble = _parent->hasBubble();
if (displayLoading) {
ensureAnimation();
if (!_animation->radial.animating()) {
_animation->radial.start(_data->progress());
}
}
const auto radial = isRadialAnimation();
if (!bubble) {
// App::roundShadow(p, 0, 0, paintw, painth, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
}
p.drawPixmap(geometry.topLeft(), *cache);
if (selected) {
const auto roundRadius = ImageRoundRadius::Large;
App::complexOverlayRect(p, geometry, roundRadius, corners);
}
const auto displayState = radial
|| (!loaded && !_data->loading())
|| _data->waitingForAlbum();
if (displayState) {
const auto radialOpacity = radial
? _animation->radial.opacity()
: 1.;
const auto backOpacity = (loaded && !_data->uploading())
? radialOpacity
: 1.;
const auto radialSize = st::historyGroupRadialSize;
const auto inner = QRect(
geometry.x() + (geometry.width() - radialSize) / 2,
geometry.y() + (geometry.height() - radialSize) / 2,
radialSize,
radialSize);
p.setPen(Qt::NoPen);
if (selected) {
p.setBrush(st::msgDateImgBgSelected);
} else if (isThumbAnimation()) {
auto over = _animation->a_thumbOver.value(1.);
p.setBrush(anim::brush(st::msgDateImgBg, st::msgDateImgBgOver, over));
} else {
auto over = ClickHandler::showAsActive(_data->loading() ? _cancell : _savel);
p.setBrush(over ? st::msgDateImgBgOver : st::msgDateImgBg);
}
p.setOpacity(backOpacity * p.opacity());
{
PainterHighQualityEnabler hq(p);
p.drawEllipse(inner);
}
const auto icon = [&]() -> const style::icon* {
if (_data->waitingForAlbum()) {
return &(selected ? st::historyFileThumbWaitingSelected : st::historyFileThumbWaiting);
} else if (radial || _data->loading()) {
if (_data->uploading()
|| _data->large()->location().valid()) {
return &(selected ? st::historyFileThumbCancelSelected : st::historyFileThumbCancel);
}
return nullptr;
}
return &(selected ? st::historyFileThumbDownloadSelected : st::historyFileThumbDownload);
}();
const auto previous = [&]() -> const style::icon* {
if (_data->waitingForAlbum()) {
return &(selected ? st::historyFileThumbCancelSelected : st::historyFileThumbCancel);
}
return nullptr;
}();
p.setOpacity(backOpacity);
if (icon) {
if (previous && radialOpacity > 0. && radialOpacity < 1.) {
PaintInterpolatedIcon(p, *icon, *previous, radialOpacity, inner);
} else {
icon->paintInCenter(p, inner);
}
}
p.setOpacity(1);
if (radial) {
const auto line = st::historyGroupRadialLine;
const auto rinner = inner.marginsRemoved({ line, line, line, line });
const auto color = selected
? st::historyFileThumbRadialFgSelected
: st::historyFileThumbRadialFg;
_animation->radial.draw(p, rinner, line, color);
}
}
}
/* Returns the normalized MI scores.
*
* Parameters
* dx (IN) : x-data sorted in increasing order by dx-values
* dy (IN) : y-data sorted in increasing order by dx-values
* n (IN) : number of elements in dx and dy
* Q_map (IN) : the map Q computed by EquipartitionYAxis() sorted in
* increasing order by dx-values
* q (IN) : number of partitions in Q_map
* P_map (IN) : the map P computed by GetSuperclumpsPartition() sorted
* in increasing order by Dx-values
* p (IN) : number of partitions in P_map
* x (IN) : maximum grid size on dx-values
* score (OUT) : mutual information scores. score must be a
* preallocated array of dimension x-1
* Returns
* 0 on success, 1 if an error occurs
*/
int OptimizeXAxis(double *dx, double *dy, int n, int *Q_map, int q,
int *P_map, int p, int x, double *score)
{
int i, s, t, l;
int *c;
int **cumhist;
double **I, **HP2Q;
double F, F_max, HQ, ct, cs;
/* return score=0 if p=1 */
if (p == 1)
{
for (i=0; i<x-1; i++)
score[i] = 0.0;
return 0;
}
/* compute c */
c = compute_c(P_map, p, n);
if (c == NULL)
goto error_c;
/* compute the cumulative histogram matrix along P_map */
cumhist = compute_cumhist(Q_map, q, P_map, p, n);
if (cumhist == NULL)
goto error_cumhist;
/* I matrix initialization */
I = init_I(p, x);
if (I == NULL)
goto error_I;
/* Precomputes the HP2Q matrix */
HP2Q = compute_HP2Q(cumhist, c, q, p);
if (HP2Q == NULL)
goto error_HP2Q;
/* compute H(Q) */
HQ = hq(cumhist, q, p, n);
/*
* Find the optimal partitions of size 2
* Algorithm 2 in SOM, lines 3-8
*/
for (t=2; t<=p; t++)
{
F_max = -DBL_MAX;
for (s=1; s<=t; s++)
{
F = hp3(c, s, t) - hp3q(cumhist, c, q, p, s, t);
if (F > F_max)
{
I[t][2] = HQ + F;
F_max = F;
}
}
}
/*
* Inductively build the rest of the table of
* optimal partitions
* Algorithm 2 in SOM, lines 10-17
*/
for (l=3; l<=x; l++)
{
for (t=l; t<=p; t++)
{
ct = (double) c[t-1];
F_max = -DBL_MAX;
for (s=l-1; s<=t; s++)
{
cs = (double) c[s-1];
F = ((cs/ct) * (I[s][l-1]-HQ))
- (((ct-cs)/ct) * HP2Q[s][t]);
if (F > F_max)
{
I[t][l] = HQ + F;
F_max = F;
}
}
}
}
/* Algorithm 2 in SOM, line 19 */
for (i=p+1; i<=x; i++)
I[p][i] = I[p][p];
/* score */
for (i=2; i<=x; i++)
score[i-2] = I[p][i] / MIN(log(i), log(q));
/* start frees */
for (i=0; i<=p; i++)
free(HP2Q[i]);
free(HP2Q);
for (i=0; i<=p; i++)
free(I[i]);
free(I);
for (i=0; i<q; i++)
free(cumhist[i]);
free(cumhist);
free (c);
/* end frees*/
return 0;
/* gotos*/
error_HP2Q:
for (i=0; i<=p; i++)
free(I[i]);
free(I);
error_I:
for (i=0; i<q; i++)
free(cumhist[i]);
free(cumhist);
error_cumhist:
free(c);
error_c:
return 1;
}