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());
}
}
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;
}
