Resolved issue #819. Use OpenGL as render for view.

--HG--
branch : develop

ChangeLog.txt

@@ -47,6 +47,7 @@
 - [#808] New feature. Global line width option.
 - [#814] Make "\" valid character.
 - [#818] Improve Piece path validation. Check uniqueness.
+- [#819] Use OpenGL as render for view.
 
 # Version 0.5.1
 - [#683] Tool Seam allowance's dialog is off screen on small resolutions.

common.pri

@@ -228,7 +228,8 @@ ISYSTEM += \
     -isystem "$$[QT_INSTALL_HEADERS]/QtSvg" \
     -isystem "$$[QT_INSTALL_HEADERS]/QtNetwork" \
     -isystem "$$[QT_INSTALL_HEADERS]/QtTest" \
-    -isystem "$$[QT_INSTALL_HEADERS]/QtConcurrent"
+    -isystem "$$[QT_INSTALL_HEADERS]/QtConcurrent" \
+    -isystem "$$[QT_INSTALL_HEADERS]/QtOpenGL"
 } else {
 ISYSTEM += \
     -isystem "$$[QT_INSTALL_LIBS]/QtWidgets.framework/Headers/" \
@@ -250,7 +251,9 @@ ISYSTEM += \
     -isystem "$$[QT_INSTALL_LIBS]/QtTest.framework/Headers/" \
     -isystem "$$[QT_INSTALL_LIBS]/QtTest.framework/Versions/5/Headers/" \
     -isystem "$$[QT_INSTALL_LIBS]/QtConcurrent.framework/Headers/" \
-    -isystem "$$[QT_INSTALL_LIBS]/QtConcurrent.framework/Versions/5/Headers/"
+    -isystem "$$[QT_INSTALL_LIBS]/QtConcurrent.framework/Versions/5/Headers/" \
+    -isystem "$$[QT_INSTALL_LIBS]/QtOpenGL.framework/Headers/" \
+    -isystem "$$[QT_INSTALL_LIBS]/QtOpenGL.framework/Versions/5/Headers/"
 }
 
 # Usefull GCC warnings keys.

dist/OBS_debian/debian.control

@@ -8,14 +8,15 @@ Build-Depends: debhelper (>= 8.0.0),
                g++ (>= 4.7.0), 
                qt5-default (>= 5.2.0), 
                qttools5-dev-tools (>= 5.2.0), 
-               libqt5xmlpatterns5-dev (>= 5.2.0)
+               libqt5xmlpatterns5-dev (>= 5.2.0),
+               libqt5opengl5-dev (>= 5.2.0) 
 Standards-Version: 3.9.5
 Homepage: https://valentinaproject.bitbucket.io/
 Vcs-Browser: https://bitbucket.org/dismine/valentina
 
 Package: valentina
 Architecture: i386 amd64
-Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.2.0) | libqt5core5 (>= 5.2.0), libqt5gui5 (>= 5.2.0) | libqt5gui5-gles (>= 5.2.0), libqt5printsupport5 (>= 5.2.0), libqt5svg5 (>= 5.2.0), libqt5widgets5 (>= 5.2.0), libqt5xml5 (>= 5.2.0), libqt5xmlpatterns5 (>= 5.2.0), libqt5concurrent5(>= 5.2.0), libstdc++6 (>= 4.6), xpdf
+Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.2.0) | libqt5core5 (>= 5.2.0), libqt5gui5 (>= 5.2.0) | libqt5gui5-gles (>= 5.2.0), libqt5printsupport5 (>= 5.2.0), libqt5svg5 (>= 5.2.0), libqt5widgets5 (>= 5.2.0), libqt5xml5 (>= 5.2.0), libqt5xmlpatterns5 (>= 5.2.0), libqt5concurrent5(>= 5.2.0), libqt5opengl5 (>= 5.2.0), libstdc++6 (>= 4.6), xpdf
 Conflicts: seamly2d
 Description: Pattern making program.
  Valentina is a cross-platform patternmaking program which allows designers 

dist/debian/control

@@ -8,14 +8,15 @@ Build-Depends: debhelper (>= 8.0.0),
                g++ (>= 4.7.0), 
                qt5-default (>= 5.2.0), 
                qttools5-dev-tools (>= 5.2.0), 
-               libqt5xmlpatterns5-dev (>= 5.2.0)
+               libqt5xmlpatterns5-dev (>= 5.2.0),
+               libqt5opengl5-dev (>= 5.2.0) 
 Standards-Version: 3.9.5
 Homepage: https://valentinaproject.bitbucket.io/
 Vcs-Browser: https://bitbucket.org/dismine/valentina
 
 Package: valentina
 Architecture: i386 amd64
-Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.2.0) | libqt5core5 (>= 5.2.0), libqt5gui5 (>= 5.2.0) | libqt5gui5-gles (>= 5.2.0), libqt5printsupport5 (>= 5.2.0), libqt5svg5 (>= 5.2.0), libqt5widgets5 (>= 5.2.0), libqt5xml5 (>= 5.2.0), libqt5xmlpatterns5 (>= 5.2.0), libqt5concurrent5(>= 5.2.0), libstdc++6 (>= 4.6), xpdf
+Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.2.0) | libqt5core5 (>= 5.2.0), libqt5gui5 (>= 5.2.0) | libqt5gui5-gles (>= 5.2.0), libqt5printsupport5 (>= 5.2.0), libqt5svg5 (>= 5.2.0), libqt5widgets5 (>= 5.2.0), libqt5xml5 (>= 5.2.0), libqt5xmlpatterns5 (>= 5.2.0), libqt5concurrent5(>= 5.2.0), libqt5opengl5 (>= 5.2.0), libstdc++6 (>= 4.6), xpdf
 Conflicts: seamly2d
 Description: Pattern making program.
  Valentina is a cross-platform patternmaking program which allows designers 

dist/ebuild/valentina-0.0.0_alpha(template_unstable).ebuild

@@ -35,6 +35,7 @@ CDEPEND="
 		dev-qt/qtprintsupport:5
 		dev-qt/qtnetwork:5
 		dev-qt/qtconcurrent:5
+        dev-qt/qtopengl:5
 		app-text/poppler"
 RDEPEND="${CDEPEND}"
 DEPEND="${CDEPEND}

dist/rpm/valentina.spec

@@ -18,6 +18,7 @@ BuildRequires: pkgconfig(Qt5PrintSupport)
 BuildRequires: pkgconfig(Qt5Widgets)
 BuildRequires: pkgconfig(Qt5Xml)
 BuildRequires: pkgconfig(Qt5Concurrent)
+BuildRequires: pkgconfig(Qt5OpenGL)
 BuildRequires: qt5-qtxmlpatterns-devel  >= 5.2.0
 BuildRequires: qt5-qtsvg-devel >= 5.2.0
 BuildRequires: qt5-qttools-devel >= 5.2.0

src/app/tape/tape.pro

@@ -7,7 +7,7 @@
 # File with common stuff for whole project
 include(../../../common.pri)
 
-QT       += core gui widgets network xml xmlpatterns printsupport svg concurrent
+QT       += core gui widgets network xml xmlpatterns printsupport svg concurrent opengl
 
 # Name of binary file
 TARGET = tape

src/app/valentina/dialogs/configpages/preferencespatternpage.cpp

@@ -65,6 +65,7 @@ PreferencesPatternPage::PreferencesPatternPage(QWidget *parent)
     VSettings *settings = qApp->ValentinaSettings();
 
     ui->graphOutputCheck->setChecked(settings->GetGraphicalOutput());
+    ui->checkBoxOpenGLRender->setChecked(settings->IsOpenGLRender());
     ui->doubleSpinBoxCurveApproximation->setValue(settings->GetCurveApproximationScale());
     ui->doubleSpinBoxCurveApproximation->setMinimum(minCurveApproximationScale);
     ui->doubleSpinBoxCurveApproximation->setMaximum(maxCurveApproximationScale);
@@ -118,10 +119,10 @@ void PreferencesPatternPage::Apply()
 
     // Scene antialiasing
     settings->SetGraphicalOutput(ui->graphOutputCheck->isChecked());
+    settings->SetOpenGLRender(ui->checkBoxOpenGLRender->isChecked());
     settings->SetCurveApproximationScale(ui->doubleSpinBoxCurveApproximation->value());
     settings->SetLineWidth(UnitConvertor(ui->doubleSpinBoxLineWidth->value(), m_oldLineUnit, Unit::Mm));
-    qApp->getSceneView()->setRenderHint(QPainter::Antialiasing, ui->graphOutputCheck->isChecked());
-    qApp->getSceneView()->setRenderHint(QPainter::SmoothPixmapTransform, ui->graphOutputCheck->isChecked());
+    qApp->getSceneView()->SetAntialiasing(ui->graphOutputCheck->isChecked());
 
     /* Maximum number of commands in undo stack may only be set when the undo stack is empty, since setting it on a
      * non-empty stack might delete the command at the current index. Calling setUndoLimit() on a non-empty stack

src/app/valentina/dialogs/configpages/preferencespatternpage.ui

@@ -7,19 +7,19 @@
     <x>0</x>
     <y>0</y>
     <width>381</width>
-    <height>705</height>
+    <height>727</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string notr="true">Pattern</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout_3">
+  <layout class="QVBoxLayout" name="verticalLayout_2">
    <item>
     <widget class="QGroupBox" name="groupBox_2">
      <property name="title">
       <string>Graphical output</string>
      </property>
-     <layout class="QVBoxLayout" name="verticalLayout_2">
+     <layout class="QVBoxLayout" name="verticalLayout_3">
       <item>
        <widget class="QCheckBox" name="graphOutputCheck">
         <property name="text">
@@ -27,6 +27,20 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QCheckBox" name="checkBoxOpenGLRender">
+        <property name="toolTip">
+         <string>Use OpenGL to render a scene.
+This option will take an affect after restart.</string>
+        </property>
+        <property name="text">
+         <string>Use OpenGL render</string>
+        </property>
+        <property name="tristate">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
       <item>
        <layout class="QHBoxLayout" name="horizontalLayout_5">
         <item>

src/app/valentina/mainwindow.cpp

@@ -3741,9 +3741,7 @@ void MainWindow::ReadSettings()
     restoreState(settings->GetToolbarsState(), APP_VERSION);
 
     // Scene antialiasing
-    const bool graphOutputValue = settings->GetGraphicalOutput();
-    ui->view->setRenderHint(QPainter::Antialiasing, graphOutputValue);
-    ui->view->setRenderHint(QPainter::SmoothPixmapTransform, graphOutputValue);
+    ui->view->SetAntialiasing(settings->GetGraphicalOutput());
 
     // Stack limit
     qApp->getUndoStack()->setUndoLimit(settings->GetUndoCount());

src/app/valentina/valentina.pro

@@ -11,7 +11,7 @@ include(../../../common.pri)
 
 # Here we don't see "network" library, but, i think, "printsupport" depend on this library, so we still need this
 # library in installer.
-QT       += core gui widgets xml svg printsupport xmlpatterns concurrent
+QT       += core gui widgets xml svg printsupport xmlpatterns concurrent opengl
 
 # Use winextras only for Windows 7+
 win32:greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 6) {
@@ -300,6 +300,7 @@ win32:*g++* {
         $$[QT_INSTALL_BINS]/icuuc*.dll \ # Different name for different Qt releases
         $$[QT_INSTALL_BINS]/Qt5Core.dll \
         $$[QT_INSTALL_BINS]/Qt5Concurrent.dll \
+        $$[QT_INSTALL_BINS]/Qt5OpenGL.dll \
         $$[QT_INSTALL_BINS]/Qt5Gui.dll \
         $$[QT_INSTALL_BINS]/Qt5Network.dll \
         $$[QT_INSTALL_BINS]/Qt5PrintSupport.dll \

src/libs/vmisc/vsettings.cpp

@@ -53,6 +53,7 @@ const QString settingPathsPattern = QStringLiteral("paths/pattern");
 const QString settingPathsLayout  = QStringLiteral("paths/layout");
 
 const QString settingPatternGraphicalOutput   = QStringLiteral("pattern/graphicalOutput");
+const QString settingPatternUseOpenGLRender   = QStringLiteral("pattern/useOpenGLRender");
 const QString settingPatternKnownMaterials    = QStringLiteral("pattern/knownMaterials");
 const QString settingPatternRememberMaterials = QStringLiteral("pattern/rememberMaterials");
 
@@ -152,6 +153,18 @@ void VSettings::SetGraphicalOutput(const bool &value)
     setValue(settingPatternGraphicalOutput, value);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool VSettings::IsOpenGLRender() const
+{
+    return value(settingPatternUseOpenGLRender, 0).toBool();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VSettings::SetOpenGLRender(bool value)
+{
+    setValue(settingPatternUseOpenGLRender, value);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 qreal VSettings::GetLayoutPaperHeight() const
 {

src/libs/vmisc/vsettings.h

@@ -68,6 +68,9 @@ public:
     bool GetGraphicalOutput() const;
     void SetGraphicalOutput(const bool &value);
 
+    bool IsOpenGLRender() const;
+    void SetOpenGLRender(bool value);
+
     // Layout settings
     qreal GetLayoutPaperHeight() const;
     void SetLayoutPaperHeight(qreal value);

src/libs/vwidgets/vmaingraphicsview.cpp

@@ -48,10 +48,18 @@
 #include <QDesktopWidget>
 #include <QThread>
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
+#   include <QOpenGLWidget>
+#else
+#   include <QGLWidget>
+#endif
+
 #include "../vmisc/def.h"
 #include "../vmisc/vmath.h"
 #include "vmaingraphicsscene.h"
 #include "vsimplecurve.h"
+#include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vsettings.h"
 
 const int GraphicsViewZoom::duration = 300;
 const int GraphicsViewZoom::updateInterval = 40;
@@ -349,17 +357,34 @@ const unsigned long VMainGraphicsView::scrollDelay = 80;
  */
 VMainGraphicsView::VMainGraphicsView(QWidget *parent)
     : QGraphicsView(parent),
-      zoom(new GraphicsViewZoom(this)),
+      zoom(nullptr),
       showToolOptions(true),
       isAllowRubberBand(true),
       m_ptStartPos(),
       m_oldCursor(),
       m_currentCursor(Qt::ArrowCursor)
 {
+    VSettings *settings = qobject_cast<VSettings *>(qApp->Settings());
+    if (settings && settings->IsOpenGLRender())
+    {
+    #if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
+        QOpenGLWidget *viewport = new QOpenGLWidget();
+        QSurfaceFormat fmt;
+        fmt.setSamples(settings->GetGraphicalOutput() ? 10 : 0);
+        viewport->setFormat(fmt);
+
+        setViewport(viewport);
+    #else
+        setViewport(new QGLWidget(QGLFormat(QGL::DoubleBuffer|QGL::SampleBuffers)));
+    #endif          
+    }
+
+    zoom = new GraphicsViewZoom(this);
+
     this->setResizeAnchor(QGraphicsView::AnchorUnderMouse);
     this->setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
-    this->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
     this->setInteractive(true);
+    SetAntialiasing(true);
 
     connect(zoom, &GraphicsViewZoom::zoomed, this,  [this](){emit ScaleChanged(transform().m11());});
 }
@@ -603,6 +628,15 @@ void VMainGraphicsView::setCurrentCursorShape()
     m_currentCursor = viewport()->cursor().shape();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VMainGraphicsView::SetAntialiasing(bool value)
+{
+    setRenderHint(QPainter::Antialiasing, value);
+    setRenderHint(QPainter::SmoothPixmapTransform, value);
+
+
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VMainGraphicsView::setShowToolOptions(bool value)
 {

src/libs/vwidgets/vmaingraphicsview.h

@@ -113,7 +113,6 @@ class VMainGraphicsView : public QGraphicsView
 {
     Q_OBJECT
 public:
-
     explicit VMainGraphicsView(QWidget *parent = nullptr);
     void setShowToolOptions(bool value);
     void AllowRubberBand(bool value);
@@ -131,6 +130,8 @@ public:
 
     void setCurrentCursorShape();
 
+    void SetAntialiasing(bool value);
+
 signals:
     /**
      * @brief MouseRelease help catch mouse release event.

src/libs/vwidgets/vwidgets.pro

@@ -7,7 +7,7 @@
 # File with common stuff for whole project
 include(../../../common.pri)
 
-QT += widgets printsupport
+QT += widgets printsupport opengl
 
 # Name of the library
 TARGET = vwidgets

src/test/CollectionTest/CollectionTest.pro

@@ -4,7 +4,7 @@
 #
 #-------------------------------------------------
 
-QT       += testlib widgets printsupport concurrent
+QT       += testlib widgets printsupport concurrent opengl
 
 QT       -= gui
 

src/test/ValentinaTest/ValentinaTest.pro

@@ -4,7 +4,7 @@
 #
 #-------------------------------------------------
 
-QT       += core testlib gui printsupport xml xmlpatterns concurrent
+QT       += core testlib gui printsupport xml xmlpatterns concurrent opengl
 
 TARGET = ValentinaTests