Initial commit of BudgetPro

2026-05-24 23:21:33 +02:00
commit f3096faee6
575 changed files with 90288 additions and 0 deletions
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2015 ~ 2017 Deepin Technology Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "graphicsgloweffect.h"
+
+#include <QDebug>
+
+DWIDGET_USE_NAMESPACE
+
+GraphicsGlowEffect::GraphicsGlowEffect(QObject *parent) :
+    QGraphicsEffect(parent),
+    m_xOffset(0),
+    m_yOffset(0),
+    m_distance(4.0f),
+    m_blurRadius(10.0f),
+    m_color(0, 0, 0, 80)
+{
+}
+
+QT_BEGIN_NAMESPACE
+extern Q_WIDGETS_EXPORT void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0);
+QT_END_NAMESPACE
+
+
+void GraphicsGlowEffect::cachePixmap(const QPixmap &sourcePx)
+{
+    // Calculate size for the background image
+    QSize scaleSize(sourcePx.size().width() + 2 * distance(), sourcePx.size().height() + 2 * distance());
+
+    if (cacheBlurPixmap.size() == scaleSize) {
+        return;
+    }
+
+    QImage tmpImg(scaleSize, QImage::Format_ARGB32_Premultiplied);
+    QPixmap scaled = sourcePx.scaled(scaleSize);
+    tmpImg.fill(0);
+    QPainter tmpPainter(&tmpImg);
+    tmpPainter.setCompositionMode(QPainter::CompositionMode_Source);
+    tmpPainter.drawPixmap(QPointF(-distance(), -distance()), scaled);
+    tmpPainter.end();
+
+    // blur the alpha channel
+    QImage blurred(tmpImg.size(), QImage::Format_ARGB32_Premultiplied);
+    blurred.fill(0);
+    QPainter blurPainter(&blurred);
+    qt_blurImage(&blurPainter, tmpImg, blurRadius(), false, true);
+    blurPainter.end();
+
+    tmpImg = blurred;
+
+    // blacken the image...
+    tmpPainter.begin(&tmpImg);
+    tmpPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
+    tmpPainter.fillRect(tmpImg.rect(), color());
+    tmpPainter.end();
+
+    cacheBlurPixmap = QPixmap::fromImage(tmpImg);
+}
+
+void GraphicsGlowEffect::draw(QPainter *painter)
+{
+    // if nothing to show outside the item, just draw source
+    if ((blurRadius() + distance()) <= 0) {
+        drawSource(painter);
+        return;
+    }
+
+    PixmapPadMode mode = QGraphicsEffect::PadToEffectiveBoundingRect;
+    QPoint offset;
+    const QPixmap sourcePx = sourcePixmap(Qt::DeviceCoordinates, &offset, mode);
+
+    // return if no source
+    if (sourcePx.isNull()) {
+        return;
+    }
+
+    cachePixmap(sourcePx);
+
+    // save world transform
+    QTransform restoreTransform = painter->worldTransform();
+    painter->setWorldTransform(QTransform());
+
+    // draw the blurred shadow...
+    painter->drawPixmap(offset, cacheBlurPixmap);
+
+    // draw the actual pixmap...
+    painter->drawPixmap(offset, sourcePx, QRectF());
+
+    // restore world transform
+    painter->setWorldTransform(restoreTransform);
+}
+
+QRectF GraphicsGlowEffect::boundingRectFor(const QRectF &rect) const
+{
+    qreal delta = blurRadius() + distance();
+    return rect.united(rect.adjusted(-delta - xOffset(), -delta - yOffset(), delta - xOffset(), delta - yOffset()));
+}