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YSGraphic_Core/component/SVG.cpp

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+#include "SVG.h"
+#include <QFile>
+#include <QPainter>
+#include <QTextStream>
+#include <utility>
+#include <qdom.h>
+#include "../base/Global.h"
+void SVGImage_Render::render(QPainter* painter, const QRectF& rect) {
+    render(painter, rect, _color);
+}
+
+void SVGImage_Render::render(QPainter *painter) {
+    QSvgRenderer renderer(change_color(_color));
+    renderer.render(painter);
+}
+
+void SVGImage_Render::render(QPainter* painter, const QRectF& rect, const QColor& color) {
+    QSvgRenderer renderer(change_color(color));
+    renderer.render(painter, rect);
+}
+
+QImage SVGImage_Render::to_image(QSize size, const QColor& color) {
+    QImage image(size, QImage::Format_ARGB32);
+    image.fill(Qt::transparent);
+    QPainter painter(&image);
+    QSvgRenderer renderer(change_color(color));
+    renderer.render(&painter, QRectF(QPointF(0, 0), QSizeF(size)));
+    return image;
+}
+
+QPixmap SVGImage_Render::to_pixmap(QSize size, const QColor& color) {
+    return QPixmap::fromImage(to_image(size, color));
+}
+
+QByteArray SVGImage_Render::change_color(const QColor& color) {
+    QDomElement root = doc.documentElement();
+    auto text = color.name(QColor::HexRgb).toUpper();
+    root.setAttribute("fill", text);
+    if (color.alpha() != 255) {
+        root.setAttribute("fill-opacity", QString::number(color.alphaF()));
+    }
+    QByteArray ret;
+    QTextStream outStream(&ret);
+    doc.save(outStream, 4);
+    return ret;
+}
+
+SVGImage_Render& SVGImage_Render::create() {
+    QFile file(_path);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+    {
+        qWarning() << VAR_QSTR_1(_path) + "无法打开! " + QLOG_POS;
+        return *this;
+    }
+    QTextStream in(&file);
+    QString svgContent = in.readAll();
+    file.close();
+    doc.setContent(svgContent);
+    return *this;
+}
+
+