mirror of
https://github.com/AyuGram/AyuGramDesktop.git
synced 2026-08-07 04:05:17 +00:00
John Preston
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "dialogs/ui/dialogs_pill.h"
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#include "ui/painter.h"
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#include "styles/style_dialogs.h"
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namespace Dialogs {
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void PaintPillTopSheen(QPainter &p, const QRect &pill, int radius) {
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if (pill.isEmpty() || st::dialogsBg->c.lightness() >= 128) {
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return;
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}
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auto top = QColor(255, 255, 255, 40);
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auto mid = QColor(255, 255, 255, 0);
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auto bottom = QColor(255, 255, 255, 20);
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auto grad = QLinearGradient(0, pill.top(), 0, pill.bottom());
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grad.setColorAt(0., top);
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grad.setColorAt(0.5, mid);
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grad.setColorAt(1., bottom);
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p.setPen(QPen(QBrush(grad), st::lineWidth));
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p.setBrush(Qt::NoBrush);
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const auto half = 0.5 * st::lineWidth;
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const auto stroke = QRectF(pill).adjusted(half, half, -half, -half);
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p.drawRoundedRect(stroke, radius - half, radius - half);
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}
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void PaintTopFade(QPainter &p, int outerWidth, int fadeHeight, QColor bg) {
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if (fadeHeight <= 0) {
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return;
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}
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auto transparent = bg;
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transparent.setAlpha(0);
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auto grad = QLinearGradient(0, 0, 0, fadeHeight);
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grad.setColorAt(0, bg);
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grad.setColorAt(1, transparent);
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p.fillRect(QRect(0, 0, outerWidth, fadeHeight), grad);
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}
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void PaintBottomFade(QPainter &p, int outerWidth, int fadeHeight, QColor bg) {
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if (fadeHeight <= 0) {
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return;
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}
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auto transparent = bg;
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transparent.setAlpha(0);
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auto grad = QLinearGradient(0, 0, 0, fadeHeight);
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grad.setColorAt(0, transparent);
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grad.setColorAt(1, bg);
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p.fillRect(QRect(0, 0, outerWidth, fadeHeight), grad);
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}
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} // namespace Dialogs
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