41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
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#include "APP/APP_GlassCard.h"
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#include <QtGui/QPainter>
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namespace APP {
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APP_GlassCard::APP_GlassCard(QWidget* parent)
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: QFrame(parent)
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{
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// 交给我们自己统一绘制卡片外观，不使用 QFrame 默认边框。
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setFrameShape(QFrame::NoFrame);
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// 背景由 paintEvent 自绘，这里不走样式表背景。
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setAttribute(Qt::WA_StyledBackground, false);
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}
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void APP_GlassCard::paintEvent(QPaintEvent* event)
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{
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Q_UNUSED(event);
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/*
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* 卡片外观刻意保持简单，方便教学时理解自绘流程：
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* 1. 先画一个带圆角的深色底板
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* 2. 再画一圈细边框
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*/
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const QRectF BodyRect = rect().adjusted(1.0, 1.0, -1.0, -1.0);
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const qreal Radius = 22.0;
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const QColor FillColor(30, 35, 43);
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const QColor BorderColor(82, 92, 104);
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QPainter Painter(this);
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Painter.setRenderHint(QPainter::Antialiasing, true);
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// 先画卡片主体。
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Painter.setPen(QPen(BorderColor, 1.0));
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Painter.setBrush(FillColor);
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Painter.drawRoundedRect(BodyRect, Radius, Radius);
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}
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} // namespace APP
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