use qt round for better cross platform consistency (#4518)

* use qt round for better cross platform consistency

* remove unnecessary casts

cockatrice/src/abstractcarditem.cpp

@@ -1,19 +1,17 @@
-#include <QCursor>
-#include <QGraphicsScene>
-#include <QGraphicsSceneMouseEvent>
-#include <QPainter>
-#include <algorithm>
-#include <cmath>
-#ifdef _WIN32
-#include "round.h"
-#endif /* _WIN32 */
 #include "abstractcarditem.h"
+
 #include "carddatabase.h"
 #include "gamescene.h"
 #include "main.h"
 #include "pictureloader.h"
 #include "settingscache.h"
 
+#include <QCursor>
+#include <QGraphicsScene>
+#include <QGraphicsSceneMouseEvent>
+#include <QPainter>
+#include <algorithm>
+
 AbstractCardItem::AbstractCardItem(const QString &_name, Player *_owner, int _id, QGraphicsItem *parent)
     : ArrowTarget(_owner, parent), id(_id), name(_name), tapped(false), facedown(false), tapAngle(0),
       bgColor(Qt::transparent), isHovered(false), realZValue(0)

cockatrice/src/phasestoolbar.cpp

@@ -1,18 +1,16 @@
+#include "phasestoolbar.h"
+
+#include "pb/command_draw_cards.pb.h"
+#include "pb/command_next_turn.pb.h"
+#include "pb/command_set_active_phase.pb.h"
+#include "pb/command_set_card_attr.pb.h"
+#include "pixmapgenerator.h"
+
 #include <QAction>
 #include <QDebug>
 #include <QPainter>
 #include <QPen>
 #include <QTimer>
-#include <cmath>
-#ifdef _WIN32
-#include "round.h"
-#endif /* _WIN32 */
-#include "pb/command_draw_cards.pb.h"
-#include "pb/command_next_turn.pb.h"
-#include "pb/command_set_active_phase.pb.h"
-#include "pb/command_set_card_attr.pb.h"
-#include "phasestoolbar.h"
-#include "pixmapgenerator.h"
 
 PhaseButton::PhaseButton(const QString &_name, QGraphicsItem *parent, QAction *_doubleClickAction, bool _highlightable)
     : QObject(), QGraphicsItem(parent), name(_name), active(false), highlightable(_highlightable),
@@ -38,8 +36,7 @@ void PhaseButton::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*op
     QRectF iconRect = boundingRect().adjusted(3, 3, -3, -3);
     QRectF translatedIconRect = painter->combinedTransform().mapRect(iconRect);
     qreal scaleFactor = translatedIconRect.width() / iconRect.width();
-    QPixmap iconPixmap =
-        PhasePixmapGenerator::generatePixmap(static_cast<int>(round(translatedIconRect.height())), name);
+    QPixmap iconPixmap = PhasePixmapGenerator::generatePixmap(qRound(translatedIconRect.height()), name);
 
     painter->setBrush(QColor(static_cast<int>(220 * (activeAnimationCounter / 10.0)),
                              static_cast<int>(220 * (activeAnimationCounter / 10.0)),
@@ -48,9 +45,8 @@ void PhaseButton::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*op
     painter->drawRect(0, 0, static_cast<int>(width - 1), static_cast<int>(width - 1));
     painter->save();
     resetPainterTransform(painter);
-    painter->drawPixmap(iconPixmap.rect().translated(static_cast<int>(round(3 * scaleFactor)),
-                                                     static_cast<int>(round(3 * scaleFactor))),
-                        iconPixmap, iconPixmap.rect());
+    painter->drawPixmap(iconPixmap.rect().translated(qRound(3 * scaleFactor), qRound(3 * scaleFactor)), iconPixmap,
+                        iconPixmap.rect());
     painter->restore();
 
     painter->setBrush(QColor(0, 0, 0, static_cast<int>(255 * ((10 - activeAnimationCounter) / 15.0))));

cockatrice/src/pixmapgenerator.cpp

@@ -3,13 +3,9 @@
 #include "pb/serverinfo_user.pb.h"
 
 #include <QApplication>
+#include <QDebug>
 #include <QPainter>
 #include <QPalette>
-#include <cmath>
-#ifdef _WIN32
-#include "round.h"
-#endif /* _WIN32 */
-#include <QDebug>
 
 QMap<QString, QPixmap> PhasePixmapGenerator::pmCache;
 

cockatrice/src/playertarget.cpp

@@ -7,10 +7,7 @@
 #include <QDebug>
 #include <QPainter>
 #include <QPixmapCache>
-#include <cmath>
-#ifdef _WIN32
-#include "round.h"
-#endif /* _WIN32 */
+#include <QtMath>
 
 PlayerCounter::PlayerCounter(Player *_player,
                              int _id,
@@ -49,7 +46,7 @@ void PlayerCounter::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*
     QSize translatedSize = translatedRect.size().toSize();
     QFont font("Serif");
     font.setWeight(QFont::Bold);
-    font.setPixelSize(qMax((int)round(translatedSize.height() / 1.3), 9));
+    font.setPixelSize(qMax(qRound(translatedSize.height() / 1.3), 9));
     painter->setFont(font);
     painter->setPen(Qt::white);
     painter->drawText(translatedRect, Qt::AlignCenter, QString::number(value));
@@ -96,9 +93,9 @@ void PlayerTarget::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*o
         QPainter tempPainter(&cachedPixmap);
         // pow(foo, 0.5) equals to sqrt(foo), but using sqrt(foo) in this context will produce a compile error with
         // MSVC++
-        QRadialGradient grad(translatedRect.center(), pow(translatedSize.width() * translatedSize.width() +
-                                                              translatedSize.height() * translatedSize.height(),
-                                                          0.5) /
+        QRadialGradient grad(translatedRect.center(), qPow(translatedSize.width() * translatedSize.width() +
+                                                               translatedSize.height() * translatedSize.height(),
+                                                           0.5) /
                                                           2);
         grad.setColorAt(1, Qt::black);
         grad.setColorAt(0, QColor(180, 180, 180));
@@ -135,7 +132,7 @@ void PlayerTarget::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*o
         name = name.mid(0, 10) + "...";
 
     QFont font;
-    font.setPixelSize(qMax((int)round(translatedNameRect.height() / 1.5), 9));
+    font.setPixelSize(qMax(qRound(translatedNameRect.height() / 1.5), 9));
     painter->setFont(font);
     painter->setPen(Qt::white);
     painter->drawText(translatedNameRect, Qt::AlignVCenter | Qt::AlignLeft, "  " + name);

cockatrice/src/replay_timeline_widget.cpp

@@ -4,10 +4,6 @@
 #include <QPainterPath>
 #include <QPalette>
 #include <QTimer>
-#include <cmath>
-#ifdef _WIN32
-#include "round.h"
-#endif /* _WIN32 */
 
 ReplayTimelineWidget::ReplayTimelineWidget(QWidget *parent)
     : QWidget(parent), maxBinValue(1), maxTime(1), timeScaleFactor(1.0), currentTime(0), currentEvent(0)
@@ -54,7 +50,7 @@ void ReplayTimelineWidget::paintEvent(QPaintEvent * /* event */)
     QPainterPath path;
     path.moveTo(0, height() - 1);
     for (int i = 0; i < histogram.size(); ++i)
-        path.lineTo(round(i * binWidth), (height() - 1) * (1.0 - (qreal)histogram[i] / maxBinValue));
+        path.lineTo(qRound(i * binWidth), (height() - 1) * (1.0 - (qreal)histogram[i] / maxBinValue));
     path.lineTo(width() - 1, height() - 1);
     path.lineTo(0, height() - 1);
     painter.fillPath(path, Qt::black);

cockatrice/src/round.h

@@ -1,13 +0,0 @@
-#ifndef MSVC_ROUND_FIX
-#define MSVC_ROUND_FIX
-/**
- * This helper function exists only because MS VC++ 2010 does not support round() in
- * <cmath>. round() works with g++ and clang++ but is formally a C++11 extension.
- * So this file exists for MS VC++ only.
- */
-inline double round(double val)
-{
-    return floor(val + 0.5);
-}
-
-#endif /* MSVC_ROUND_FIX */

cockatrice/src/tablezone.cpp

@@ -1,10 +1,5 @@
-#include <QGraphicsScene>
-#include <QPainter>
-#include <QSet>
-#include <cmath>
-#ifdef _WIN32
-#include "round.h"
-#endif /* _WIN32 */
+#include "tablezone.h"
+
 #include "arrowitem.h"
 #include "carddatabase.h"
 #include "carddragitem.h"
@@ -13,9 +8,12 @@
 #include "pb/command_set_card_attr.pb.h"
 #include "player.h"
 #include "settingscache.h"
-#include "tablezone.h"
 #include "thememanager.h"
 
+#include <QGraphicsScene>
+#include <QPainter>
+#include <QSet>
+
 const QColor TableZone::BACKGROUND_COLOR = QColor(100, 100, 100);
 const QColor TableZone::FADE_MASK = QColor(0, 0, 0, 80);
 const QColor TableZone::GRADIENT_COLOR = QColor(255, 255, 255, 150);