92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
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#include "ShapeWidget.h"
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#include <QPainter>
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#include <QPainterPath>
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#include <QSvgRenderer>
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#include <QApplication>
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#include <QFileInfoList>
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#include <QDir>
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ShapeWidget::ShapeWidget(QWidget* parent /*= nullptr*/) : QWidget(parent) {
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SetMaskCode(-1, 0);
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QString svgPath = QString("%1/ProjectDisplay/svg").arg(QApplication::applicationDirPath());
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QDir dir(svgPath);
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QFileInfoList subFileList = dir.entryInfoList(QDir::Files | QDir::CaseSensitive);
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for (int i = 0; i < subFileList.size(); i++) {
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QString suffix = subFileList[i].suffix();
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if (suffix.compare("svg") == 0) {
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++m_shapeCodeCount;
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}
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}
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}
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void ShapeWidget::Rotate(int angle) {
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m_rotate += angle;
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if (m_rotate >= 360) {
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m_rotate = m_rotate - 360;
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}
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else if (m_rotate <= 0) {
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m_rotate = m_rotate + 360;
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}
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resize(width() + 1, height() + 1);
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update();
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resize(width() - 1, height() - 1);
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}
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void ShapeWidget::Shape(int shape) {
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m_shapeCode += shape;
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if (m_shapeCode >= m_shapeCodeCount) {
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m_shapeCode = 0;
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}
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else if (m_shapeCode < 0) {
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m_shapeCode = m_shapeCodeCount - 1;
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}
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resize(width() + 1, height() + 1);
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update();
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resize(width() - 1, height() - 1);
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}
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void ShapeWidget::paintEvent(QPaintEvent* event) {
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return;
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QWidget::paintEvent(event);
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if (-1 == m_shapeCode) {
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return;
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}
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int radius = qMax(width(), height());
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QPointF center(width() / 2, height() / 2);
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QRadialGradient gradient(center, radius);
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gradient.setColorAt(0, Qt::white);
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gradient.setColorAt(1, Qt::black);
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QPainter p(this);
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p.setBrush(gradient);
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p.drawEllipse(0, 0, radius, radius);
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}
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void ShapeWidget::resizeEvent(QResizeEvent* event) {
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QSvgRenderer render;
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const QString svgPath = QString("%1/ProjectDisplay/svg/%2.svg").arg(QApplication::applicationDirPath()).arg(m_shapeCode);
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render.load(svgPath);
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QSize size = render.defaultSize();
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QPixmap pix(width(), height()); // 可以在这儿直接缩放处理
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pix.fill(Qt::transparent); // 像素清空
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QPainter painter(&pix);
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painter.setRenderHints(QPainter::Antialiasing);
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painter.translate(width() / 2.0f, height() / 2.0f);
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painter.rotate(m_rotate);
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painter.translate(-width() / 2.0f, -height() / 2.0f);
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render.render(&painter);
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setMask(pix.mask());
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QWidget::resizeEvent(event);
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}
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