Tweaking brightness

Add installation instructions using Homebrew

.gitignore

@@ -18,6 +18,7 @@
 *.pro.user.*
 *.moc
 moc_*.cpp
+moc_*.h
 qrc_*.cpp
 ui_*.h
 Makefile*

.travis.yml

@@ -0,0 +1,37 @@
+sudo: required
+dist: trusty
+language: c++
+
+install:
+  - sudo add-apt-repository -y ppa:beineri/opt-qt58-trusty
+  - sudo apt-get update -qq
+  - sudo apt-get -y install build-essential qt58declarative qt58graphicaleffects qt58quickcontrols libgl1-mesa-dev
+  - source /opt/qt*/bin/qt*-env.sh
+
+script:
+  - qmake CONFIG+=release PREFIX=/usr
+  - make -j$(nproc)
+  - mkdir -p appdir/usr/share/metainfo appdir/usr/bin
+  - cp packaging/appdata/cool-retro-term.appdata.xml appdir/usr/share/metainfo/
+  - cp cool-retro-term appdir/usr/bin/
+  - cp ./cool-retro-term.desktop appdir/
+  - cp ./app/icons/128x128/cool-retro-term.png appdir/
+  - cp -r ./app/qml appdir/usr/
+  - cp -r ./qmltermwidget/QMLTermWidget appdir/usr/qml/ # Workaround for https://github.com/probonopd/linuxdeployqt/issues/78
+  - wget -c https://github.com/probonopd/linuxdeployqt/releases/download/continuous/linuxdeployqt-continuous-x86_64.AppImage
+  - chmod a+x linuxdeployqt-*.AppImage 
+  - unset QTDIR; unset QT_PLUGIN_PATH ; unset LD_LIBRARY_PATH
+  - export VERSION=$(git rev-parse --short HEAD) # linuxdeployqt uses this for naming the file
+  - ./linuxdeployqt-*.AppImage appdir/usr/bin/cool-retro-term -qmldir=./app/qml/ -qmldir=./qmltermwidget/ # -verbose=3 2>&1 | grep "path:" -C 3
+  - ./linuxdeployqt-*.AppImage appdir/usr/bin/cool-retro-term -qmldir=./app/qml/ -qmldir=./qmltermwidget/ -verbose=2 -appimage
+  
+after_success:
+  - find appdir -executable -type f -exec ldd {} \; | grep " => /usr" | cut -d " " -f 2-3 | sort | uniq
+  - # curl --upload-file Cool*.AppImage https://transfer.sh/Cool_Retro_Term-git.$(git rev-parse --short HEAD)-x86_64.AppImage
+  - wget -c https://github.com/probonopd/uploadtool/raw/master/upload.sh
+  - bash upload.sh Cool*.AppImage*
+  
+branches:
+  except:
+    - # Do not build tags that we create when we upload to GitHub Releases
+    - /^(?i:continuous)/

README.md

@@ -12,21 +12,29 @@ It uses the QML port of qtermwidget (Konsole) developed by me: https://github.co
 
 This terminal emulator works under Linux and macOS and requires Qt 5.2 or higher.
 
+Settings such as colors, fonts, and effects can be accessed via context menu.
+
 ## Screenshots
-![Image](<http://i.imgur.com/I6wq1cC.png>)
+![Image](<https://i.imgur.com/TNumkDn.png>)
-![Image](<http://i.imgur.com/12EqlpL.png>)
+![Image](<https://i.imgur.com/hfjWOM4.png>)
-![Image](<http://i.imgur.com/Lx0acQz.jpg>)
+![Image](<https://i.imgur.com/GYRDPzJ.jpg>)
 
-## Get cool-retro-term
+## Install
-You can either build cool-retro-term yourself (see below) or walk the easy way and install one of these packages:
+Walk the easy way and install cool-retro-term using one of these convenient packages:
 
-Fedora has the `cool-retro-term` in the offcial repositories. All you have to do is `sudo dnf install cool-retro-term`.
+Just grab the latest AppImage from the release page and make it executable and run it:
 
-Users of openSUSE can grab a package from [Open Build Service](http://software.opensuse.org/package/cool-retro-term).
+    wget https://github.com/Swordfish90/cool-retro-term/releases/download/1.1.1/Cool-Retro-Term-1.1.1-x86_64.AppImage
+    chmod a+x Cool-Retro-Term-1.1.1-x86_64.AppImage
+    ./Cool-Retro-Term-1.1.1-x86_64.AppImage
 
-Arch users can install this [package](https://aur.archlinux.org/packages/cool-retro-term-git/) directly via the [AUR](https://aur.archlinux.org):
+**Fedora** has the `cool-retro-term` in the official repositories. All you have to do is `sudo dnf install cool-retro-term`.
 
-    yaourt -S aur/cool-retro-term-git
+Users of **openSUSE** can grab a package from [Open Build Service](http://software.opensuse.org/package/cool-retro-term).
+
+**Arch** users can install this [package](https://aur.archlinux.org/packages/cool-retro-term-git/) directly via the [AUR](https://aur.archlinux.org):
+
+    trizen -S aur/cool-retro-term-git
 
 or use:
 
@@ -34,25 +42,37 @@ or use:
 
 to install precompiled from community repository.
 
-Gentoo users can now install the second release "1.0.1" from a 3rd-party repository preferably via layman:
+Users of **Ubuntu 14.04 LTS (Trusty) up to 15.10 (Wily)** can use [this PPA](https://launchpad.net/~bugs-launchpad-net-falkensweb).
 
-    USE="git" emerge app-portage/layman
+**Ubuntu 17.10** can use [this PPA](https://launchpad.net/%7Evantuz/+archive/ubuntu/cool-retro-term)
-    wget https://www.gerczei.eu/files/gerczei.xml -O /etc/layman/overlays/gerczei.xml
-    layman -f -a qt -a gerczei # those who've added the repo before 27/08/17 should remove, update and add it again as its source has changed
-    ACCEPT_KEYWORDS="~*" emerge =x11-terms/cool-retro-term-1.0.1::gerczei
 
-The live ebuild (version 9999-r1) tracking the bleeding-edge WIP codebase also remains available.
+**Solus** users can install using `eopg`:
+```
+eopkg it cool-retro-term
+```
 
-A word of warning: USE flags and keywords are to be added to portage's configuration files and every emerge operation should be executed with '-p' (short option for --pretend) appended to the command line first as per best practice!
+**macOS** users can grab the latest dmg from the [release page](https://github.com/Swordfish90/cool-retro-term/releases) or install via Homebrew:
+```
+brew cask install cool-retro-term
+```
 
-Ubuntu users of 14.04 LTS (Trusty) up to 15.10 (Wily) can use [this PPA](https://launchpad.net/~bugs-launchpad-net-falkensweb).
+**FreeBSD** users can install cool-retro-term with `pkg`:
 
-Ubuntu 17.10 can use [this PPA](https://launchpad.net/%7Evantuz/+archive/ubuntu/cool-retro-term)
+    pkg install cool-retro-term
+    
+## Build instructions (FreeBSD)
 
-macOS users can grab the latest dmg from the release page: https://github.com/Swordfish90/cool-retro-term/releases
+Grab a copy of [the FreeBSD Ports Collection](https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/ports-using.html), modify [`/usr/ports/x11/cool-retro-term/Makefile`](https://svnweb.freebsd.org/ports/head/x11/cool-retro-term/Makefile?view=markup) as you like, and then run `make install` to build and install the emulator:
+
+```
+cd /usr/ports/x11/cool-retro-term
+make install
+```
 
 ## Build instructions (Linux)
 
+Build cool-retro-term yourself, you know, the retro way.
+
 ## Dependencies
 Make sure to install these first.
 
@@ -82,6 +102,12 @@ Make sure to install these first.
 
 ---
 
+**snapcraft (most of distros)**
+
+    sudo snap install cool-retro-term --classic
+
+---
+
 **Debian Jessie and above**
 
     sudo apt install build-essential qmlscene qt5-qmake qt5-default qtdeclarative5-dev qml-module-qtquick-controls qml-module-qtgraphicaleffects qml-module-qtquick-dialogs qml-module-qtquick-localstorage qml-module-qtquick-window2 qml-module-qt-labs-settings qml-module-qt-labs-folderlistmodel
@@ -173,6 +199,12 @@ cp -r qmltermwidget/QMLTermWidget cool-retro-term.app/Contents/PlugIns
 open cool-retro-term.app
 ```
 
+**Homebrew**
+
+```sh
+brew cask install cool-retro-term
+```
+
 ## Donations
 I made this project in my spare time because I love what I'm doing. If you are enjoying it and you want to buy me a beer click [here](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=flscogna%40gmail%2ecom&lc=IT&item_name=Filippo%20Scognamiglio&currency_code=EUR&bn=PP%2dDonationsBF%3abtn_donate_LG%2egif%3aNonHosted).
 

app/main.cpp

@@ -33,11 +33,37 @@ int main(int argc, char *argv[])
     // This disables QT appmenu under Ubuntu, which is not working with QML apps.
     setenv("QT_QPA_PLATFORMTHEME", "", 1);
 
+#if defined (Q_OS_LINUX)
+    setenv("QSG_RENDER_LOOP", "threaded", 0);
+#endif
+
 #if defined(Q_OS_MAC)
     // This allows UTF-8 characters usage in OSX.
     setenv("LC_CTYPE", "UTF-8", 1);
 #endif
 
+    if (argc>1 && (!strcmp(argv[1],"-h") || !strcmp(argv[1],"--help"))) {
+        QTextStream cout(stdout, QIODevice::WriteOnly);
+        cout << "Usage: " << argv[0] << " [--default-settings] [--workdir <dir>] [--program <prog>] [-p|--profile <prof>] [--fullscreen] [-h|--help]" << endl;
+        cout << "  --default-settings  Run cool-retro-term with the default settings" << endl;
+        cout << "  --workdir <dir>     Change working directory to 'dir'" << endl;
+        cout << "  -e <cmd>            Command to execute. This option will catch all following arguments, so use it as the last option." << endl;
+        cout << "  -T <title>          Set window title to 'title'." << endl;
+        cout << "  --fullscreen        Run cool-retro-term in fullscreen." << endl;
+        cout << "  -p|--profile <prof> Run cool-retro-term with the given profile." << endl;
+        cout << "  -h|--help           Print this help." << endl;
+        cout << "  --verbose           Print additional information such as profiles and settings." << endl;
+        return 0;
+    }
+
+    QString appVersion("1.1.1");
+
+    if (argc>1 && (!strcmp(argv[1],"-v") || !strcmp(argv[1],"--version"))) {
+        QTextStream cout(stdout, QIODevice::WriteOnly);
+        cout << "cool-retro-term " << appVersion << endl;
+	return 0;
+    }
+
     QApplication app(argc, argv);
     // set application attributes
     // Has no effects, see https://bugreports.qt.io/browse/QTBUG-51293
@@ -55,25 +81,6 @@ int main(int argc, char *argv[])
 
     // Manage command line arguments from the cpp side
     QStringList args = app.arguments();
-    if (args.contains("-h") || args.contains("--help")) {
-        // BUG: This usage help text goes to stderr, should go to stdout.
-        // BUG: First line of output is surrounded by double quotes.
-        qDebug() << "Usage: " + args.at(0) + " [--default-settings] [--workdir <dir>] [--program <prog>] [-p|--profile <prof>] [--fullscreen] [-h|--help]";
-        qDebug() << "  --default-settings  Run cool-retro-term with the default settings";
-        qDebug() << "  --workdir <dir>     Change working directory to 'dir'";
-        qDebug() << "  -e <cmd>            Command to execute. This option will catch all following arguments, so use it as the last option.";
-        qDebug() << "  -T <title>          Set window title to 'title'.";
-        qDebug() << "  --fullscreen        Run cool-retro-term in fullscreen.";
-        qDebug() << "  -p|--profile <prof> Run cool-retro-term with the given profile.";
-        qDebug() << "  -h|--help           Print this help.";
-        qDebug() << "  --verbose           Print additional information such as profiles and settings.";
-        return 0;
-    }
-
-    if (args.contains("-v") || args.contains("--version")) {
-        qDebug() << "cool-retro-term 1.0.1";
-	return 0;
-    }
 
     // Manage default command
     QStringList cmdList;
@@ -82,6 +89,7 @@ int main(int argc, char *argv[])
     }
     QVariant command(cmdList.empty() ? QVariant() : cmdList[0]);
     QVariant commandArgs(cmdList.size() <= 1 ? QVariant() : QVariant(cmdList.mid(1)));
+    engine.rootContext()->setContextProperty("appVersion", appVersion);
     engine.rootContext()->setContextProperty("defaultCmd", command);
     engine.rootContext()->setContextProperty("defaultCmdArgs", commandArgs);
 

app/qml/ApplicationSettings.qml

@@ -24,7 +24,7 @@ import QtQuick.Controls 1.0
 import "utils.js" as Utils
 
 QtObject{
-    readonly property string version: "1.1.0"
+    readonly property string version: appVersion
     readonly property int profileVersion: 2
 
     // STATIC CONSTANTS ////////////////////////////////////////////////////////
@@ -33,6 +33,9 @@ QtObject{
     readonly property real minimumFontScaling: 0.25
     readonly property real maximumFontScaling: 2.50
 
+    readonly property real minBurnInFadeTime: 160
+    readonly property real maxBurnInFadeTime: 1600
+
     // GENERAL SETTINGS ///////////////////////////////////////////////////////
 
     property int x: 100
@@ -52,7 +55,11 @@ QtObject{
     property bool verbose: false
 
     property real bloomQuality: 0.5
+
     property real burnInQuality: 0.5
+    property bool useFastBurnIn: Qt.platform.os === "osx" ? false : true
+
+    property bool blinkingCursor: false
 
     onWindowScalingChanged: handleFontChanged();
 
@@ -87,6 +94,7 @@ QtObject{
     property real flickering: 0.1
 
     property real rbgShift: 0.0
+    property real scanlineBlur: 0.0
 
     property real _margin: 0.5
     property real margin: Utils.lint(1.0, 20.0, _margin)
@@ -129,7 +137,7 @@ QtObject{
 
     property FontLoader fontLoader: FontLoader { }
 
-    onFontScalingChanged: handleFontChanged();
+    onTotalFontScalingChanged: handleFontChanged();
     onFontWidthChanged: handleFontChanged();
 
     function getIndexByName(name) {
@@ -202,7 +210,9 @@ QtObject{
             bloomQuality: bloomQuality,
             burnInQuality: burnInQuality,
             useCustomCommand: useCustomCommand,
-            customCommand: customCommand
+            customCommand: customCommand,
+            useFastBurnIn: useFastBurnIn,
+            blinkingCursor: blinkingCursor
         }
         return stringify(settings);
     }
@@ -223,6 +233,7 @@ QtObject{
             rasterization: rasterization,
             jitter: jitter,
             rbgShift: rbgShift,
+            scanlineBlur: scanlineBlur,
             brightness: brightness,
             contrast: contrast,
             ambientLight: ambientLight,
@@ -288,6 +299,10 @@ QtObject{
 
         useCustomCommand = settings.useCustomCommand !== undefined ? settings.useCustomCommand : useCustomCommand
         customCommand = settings.customCommand !== undefined ? settings.customCommand : customCommand
+
+        useFastBurnIn = settings.useFastBurnIn !== undefined ? settings.useFastBurnIn : useFastBurnIn;
+
+        blinkingCursor = settings.blinkingCursor !== undefined ? settings.blinkingCursor : blinkingCursor
     }
 
     function loadProfileString(profileString){
@@ -312,6 +327,7 @@ QtObject{
         jitter = settings.jitter !== undefined ? settings.jitter : jitter;
 
         rbgShift = settings.rbgShift !== undefined ? settings.rbgShift : rbgShift;
+        scanlineBlur = settings.scanlineBlur !== undefined ? settings.scanlineBlur : rbgShift;
 
         ambientLight = settings.ambientLight !== undefined ? settings.ambientLight : ambientLight;
         contrast = settings.contrast !== undefined ? settings.contrast : contrast;
@@ -389,6 +405,7 @@ QtObject{
                   "jitter": 0.1997,
                   "rasterization": 0,
                   "rbgShift": 0,
+                  "scanlineBlur": 0,
                   "saturationColor": 0.2483,
                   "screenCurvature": 0.3,
                   "staticNoise": 0.1198,
@@ -397,6 +414,34 @@ QtObject{
                 }'
             builtin: true
         }
+        ListElement{
+            text: "Amber Scanlines"
+            obj_string: '{
+                  "ambientLight": 0.2,
+                  "backgroundColor": "#000000",
+                  "bloom": 0.32,
+                  "brightness": 0.85,
+                  "burnIn": 0.30,
+                  "chromaColor": 1,
+                  "contrast": 0.75,
+                  "flickering": 0.04,
+                  "fontColor": "#ff8100",
+                  "fontName": "TERMINUS_SCALED",
+                  "fontWidth": 1,
+                  "glowingLine": 0,
+                  "horizontalSync": 0,
+                  "jitter": 0.03,
+                  "rasterization": 1,
+                  "rbgShift": 0,
+                  "scanlineBlur": 0.05,
+                  "saturationColor": 1,
+                  "screenCurvature": 0.05,
+                  "staticNoise": 0.05,
+                  "windowOpacity": 1,
+                  "margin": 0.5
+                }'
+            builtin: true
+        }
         ListElement{
             text: "Monochrome Green"
             obj_string: '
@@ -417,6 +462,7 @@ QtObject{
                   "jitter": 0.1997,
                   "rasterization": 0,
                   "rbgShift": 0,
+                  "scanlineBlur": 0,
                   "saturationColor": 0.0,
                   "screenCurvature": 0.3,
                   "staticNoise": 0.1198,
@@ -445,6 +491,7 @@ QtObject{
                   "jitter": 0.11,
                   "rasterization": 1,
                   "rbgShift": 0,
+                  "scanlineBlur": 0.05,
                   "saturationColor": 0.5,
                   "screenCurvature": 0.3,
                   "staticNoise": 0.15,
@@ -473,6 +520,7 @@ QtObject{
                   "jitter": 0,
                   "rasterization": 2,
                   "rbgShift": 0,
+                  "scanlineBlur": 0,
                   "saturationColor": 0,
                   "screenCurvature": 0,
                   "staticNoise": 0.15,
@@ -501,6 +549,7 @@ QtObject{
                   "jitter": 0.1,
                   "rasterization": 1,
                   "rbgShift": 0,
+                  "scanlineBlur": 0,
                   "saturationColor": 0,
                   "screenCurvature": 0.5,
                   "staticNoise": 0.099,
@@ -529,6 +578,7 @@ QtObject{
                   "jitter": 0.4,
                   "rasterization": 1,
                   "rbgShift": 0.2969,
+                  "scanlineBlur": 0,
                   "saturationColor": 0,
                   "screenCurvature": 0.5,
                   "staticNoise": 0.2969,
@@ -557,6 +607,7 @@ QtObject{
                   "jitter": 0.1545,
                   "rasterization": 0,
                   "rbgShift": 0.3524,
+                  "scanlineBlur": 0,
                   "saturationColor": 0,
                   "screenCurvature": 0.4,
                   "staticNoise": 0.0503,
@@ -585,6 +636,7 @@ QtObject{
                   "jitter": 0,
                   "rasterization": 0,
                   "rbgShift": 0,
+                  "scanlineBlur": 0,
                   "saturationColor": 0,
                   "screenCurvature": 0.2,
                   "staticNoise": 0,
@@ -613,6 +665,7 @@ QtObject{
                   "jitter": 0.099,
                   "rasterization": 0,
                   "rbgShift": 0,
+                  "scanlineBlur": 0,
                   "saturationColor": 0.4983,
                   "screenCurvature": 0,
                   "staticNoise": 0.0955,

app/qml/BurnInEffect.qml

@@ -13,10 +13,12 @@ Loader {
     property real delay: (1.0 / appSettings.fps) * 1000
     property real burnIn: appSettings.burnIn
     property real burnInFadeTime: 1 / Utils.lint(_minBurnInFadeTime, _maxBurnInFadeTime, burnIn)
-    property real _minBurnInFadeTime: 160
+    property real _minBurnInFadeTime: appSettings.minBurnInFadeTime
-    property real _maxBurnInFadeTime: 1600
+    property real _maxBurnInFadeTime: appSettings.maxBurnInFadeTime
 
-    active: appSettings.burnIn !== 0
+    active: appSettings.useFastBurnIn && appSettings.burnIn !== 0
+
+    anchors.fill: parent
 
     function completelyUpdate() {
         prevLastUpdate = lastUpdate;
@@ -33,16 +35,6 @@ Loader {
     sourceComponent: Item {
         property alias source: burnInEffectSource
 
-        property int burnInScaling: scaleTexture * appSettings.burnInQuality
-
-        width: appSettings.lowResolutionFont
-               ? kterminal.totalWidth * Math.max(1, burnInScaling)
-               : kterminal.totalWidth * scaleTexture * appSettings.burnInQuality
-
-        height: appSettings.lowResolutionFont
-                ? kterminal.totalHeight * Math.max(1, burnInScaling)
-                : kterminal.totalHeight * scaleTexture * appSettings.burnInQuality
-
         ShaderEffectSource {
             id: burnInEffectSource
 
@@ -86,9 +78,10 @@ Loader {
             property real burnInTime: burnInFadeTime
             property real lastUpdate: burnInEffect.lastUpdate
             property real prevLastUpdate: burnInEffect.prevLastUpdate
+            property int rasterization: appSettings.rasterization
+            property size virtual_resolution: Qt.size(kterminal.totalWidth, kterminal.totalHeight)
 
             anchors.fill: parent
-
             blending: false
 
             fragmentShader:
@@ -106,12 +99,33 @@ Loader {
 
                  uniform highp float lastUpdate;
 
-                 uniform highp float prevLastUpdate;" +
+                 uniform highp float prevLastUpdate;
+
+                 uniform highp vec2 virtual_resolution;" +
 
                 "float rgb2grey(vec3 v){
                     return dot(v, vec3(0.21, 0.72, 0.04));
                 }" +
 
+                "highp float getScanlineIntensity(vec2 coords) {
+                 float result = 1.0;" +
+
+                (appSettings.rasterization != appSettings.no_rasterization ?
+                    "float val = 0.0;
+                     vec2 rasterizationCoords = fract(coords * virtual_resolution);
+                     val += smoothstep(0.0, 0.5, rasterizationCoords.y);
+                     val -= smoothstep(0.5, 1.0, rasterizationCoords.y);
+                     result *= mix(0.5, 1.0, val);" : "") +
+
+                (appSettings.rasterization == appSettings.pixel_rasterization ?
+                    "val = 0.0;
+                     val += smoothstep(0.0, 0.5, rasterizationCoords.x);
+                     val -= smoothstep(0.5, 1.0, rasterizationCoords.x);
+                     result *= mix(0.5, 1.0, val);" : "") + "
+
+                return result;
+                }" +
+
                 "void main() {
                     vec2 coords = qt_TexCoord0;
 
@@ -120,7 +134,7 @@ Loader {
 
                     float prevMask = accColor.a;
                     float currMask = rgb2grey(txtColor);
-
+                    txtColor *= getScanlineIntensity(coords);
                     highp float blurDecay = clamp((lastUpdate - prevLastUpdate) * burnInTime, 0.0, 1.0);
                     blurDecay = max(0.0, blurDecay - prevMask);
                     vec3 blurColor = accColor.rgb - vec3(blurDecay);

app/qml/Fonts.qml

@@ -236,7 +236,9 @@ QtObject{
     function addSystemFonts() {
         var families = monospaceSystemFonts;
         for (var i = 0; i < families.length; i++) {
-            console.log("Adding system font: ", families[i])
+            if (verbose) {
+                console.log("Adding system font: ", families[i])
+            }
             fontlist.append(convertToListElement(families[i]))
         }
     }

app/qml/NewTerminalFrame.qml

@@ -61,7 +61,7 @@ ShaderEffect {
             float inShadowLength = shadowLength * 0.5;
 
             float outShadow = max2(1.0 - smoothstep(vec2(-outShadowLength), vec2(0.0), coords) + smoothstep(vec2(1.0), vec2(1.0 + outShadowLength), coords));
-            outShadow = clamp(0.0, 1.0, sqrt(outShadow));
+            outShadow = clamp(sqrt(outShadow), 0.0, 1.0);
             color += frameColor.rgb * outShadow;
             alpha = sum2(1.0 - smoothstep(vec2(0.0), aadelta, coords) + smoothstep(vec2(1.0) - aadelta, vec2(1.0), coords));
             alpha = clamp(alpha, 0.0, 1.0) * mix(1.0, 0.9, outShadow);

app/qml/PreprocessedTerminal.qml

@@ -33,6 +33,7 @@ Item{
 
     property ShaderEffectSource mainSource: kterminalSource
     property BurnInEffect burnInEffect: burnInEffect
+    property SlowBurnIn slowBurnInEffect: slowBurnInEffect
     property real fontWidth: 1.0
     property real screenScaling: 1.0
     property real scaleTexture: 1.0
@@ -70,18 +71,30 @@ Item{
     QMLTermWidget {
         id: kterminal
 
+        property int textureResolutionScale: appSettings.lowResolutionFont ? devicePixelRatio : 1
         property int margin: appSettings.margin / screenScaling
         property int totalWidth: Math.floor(parent.width / (screenScaling * fontWidth))
         property int totalHeight: Math.floor(parent.height / screenScaling)
 
-        width: totalWidth - 2 * margin
+        property int rawWidth: totalWidth - 2 * margin
-        height: totalHeight - 2 * margin
+        property int rawHeight: totalHeight - 2 * margin
+
+        textureSize: Qt.size(width / textureResolutionScale, height / textureResolutionScale)
+
+        width: ensureMultiple(rawWidth, devicePixelRatio)
+        height: ensureMultiple(rawHeight, devicePixelRatio)
+
+        /** Ensure size is a multiple of factor. This is needed for pixel perfect scaling on highdpi screens. */
+        function ensureMultiple(size, factor) {
+            return Math.round(size / factor) * factor;
+        }
 
         colorScheme: "cool-retro-term"
 
         smooth: !appSettings.lowResolutionFont
         enableBold: false
         fullCursorHeight: true
+        blinkingCursor: appSettings.blinkingCursor
 
         session: QMLTermSession {
             id: ksession
@@ -227,7 +240,26 @@ Item{
         sourceRect: Qt.rect(-kterminal.margin, -kterminal.margin, kterminal.totalWidth, kterminal.totalHeight)
     }
 
-    BurnInEffect {
+    Item {
-        id: burnInEffect
+        id: burnInContainer
+
+        property int burnInScaling: scaleTexture * appSettings.burnInQuality
+
+        width: Math.round(appSettings.lowResolutionFont
+               ? kterminal.totalWidth * Math.max(1, burnInScaling)
+               : kterminal.totalWidth * scaleTexture * appSettings.burnInQuality)
+
+        height: Math.round(appSettings.lowResolutionFont
+                ? kterminal.totalHeight * Math.max(1, burnInScaling)
+                : kterminal.totalHeight * scaleTexture * appSettings.burnInQuality)
+
+
+        BurnInEffect {
+            id: burnInEffect
+        }
+
+        SlowBurnIn {
+            id: slowBurnInEffect
+        }
     }
 }

app/qml/SettingsAdvancedTab.qml

@@ -133,6 +133,12 @@ Tab{
                     }
                 }
                 SizedLabel{text: Math.round(burnInSlider.value * 100) + "%"}
+                CheckBox{
+                    Layout.columnSpan: 2
+                    text: qsTr("Burnin optimization (Might display timing artifacts)")
+                    checked: appSettings.useFastBurnIn
+                    onCheckedChanged: appSettings.useFastBurnIn = checked
+                }
             }
         }
     }

app/qml/SettingsEffectsTab.qml

@@ -85,6 +85,11 @@ Tab{
                     onNewValue: appSettings.rbgShift = newValue;
                     value: appSettings.rbgShift;
                 }
+                CheckableSlider{
+                    name: qsTr("Scanline Blur")
+                    onNewValue: appSettings.scanlineBlur = newValue;
+                    value: appSettings.scanlineBlur;
+                }
             }
         }
     }

app/qml/SettingsTerminalTab.qml

@@ -114,6 +114,24 @@ Tab{
                 }
             }
         }
+        GroupBox{
+            title: qsTr("Cursor")
+            Layout.fillWidth: true
+            ColumnLayout {
+                anchors.fill: parent
+                CheckBox{
+                    id: blinkingCursor
+                    text: qsTr("Blinking Cursor")
+                    checked: appSettings.blinkingCursor
+                    onCheckedChanged: appSettings.blinkingCursor = checked
+                }
+                Binding{
+                    target: blinkingCursor
+                    property: "checked"
+                    value: appSettings.blinkingCursor
+                }
+            }
+        }
         GroupBox{
             title: qsTr("Colors")
             Layout.fillWidth: true

app/qml/ShaderTerminal.qml

@@ -24,6 +24,7 @@ import QtGraphicalEffects 1.0
 import "utils.js" as Utils
 
 Item {
+    property SlowBurnIn slowBurnInEffect
     property ShaderEffectSource source
     property BurnInEffect burnInEffect
     property ShaderEffectSource bloomSource
@@ -56,9 +57,16 @@ Item {
          property real horizontalSync: appSettings.horizontalSync
          property real horizontalSyncStrength: Utils.lint(0.05, 0.35, horizontalSync)
          property real glowingLine: appSettings.glowingLine * 0.2
-         property real burnIn: appSettings.burnIn
+
+         // Fast burnin properties
+         property real burnIn: appSettings.useFastBurnIn ? appSettings.burnIn : 0
          property real burnInLastUpdate: burnInEffect.lastUpdate
          property real burnInTime: burnInEffect.burnInFadeTime
+
+         // Slow burnin properties
+         property real slowBurnIn: appSettings.useFastBurnIn ? 0 : appSettings.burnIn
+         property ShaderEffectSource slowBurnInSource: slowBurnInEffect.source
+
          property real jitter: appSettings.jitter
          property size jitterDisplacement: Qt.size(0.007 * jitter, 0.002 * jitter)
          property real shadowLength: 0.25 * screenCurvature * Utils.lint(0.50, 1.5, ambientLight)
@@ -162,6 +170,8 @@ Item {
                  uniform sampler2D burnInSource;
                  uniform highp float burnInLastUpdate;
                  uniform highp float burnInTime;" : "") +
+             (slowBurnIn !== 0 ? "
+                 uniform sampler2D slowBurnInSource;" : "") +
              (staticNoise !== 0 ? "
                  uniform highp float staticNoise;" : "") +
              (((staticNoise !== 0 || jitter !== 0)
@@ -292,6 +302,11 @@ Item {
                      txt_color = max(txt_color, convertWithChroma(burnInColor));"
                  : "") +
 
+                 (slowBurnIn !== 0 ? "
+                     vec4 txt_blur = texture2D(slowBurnInSource, staticCoords);
+                     txt_color = max(txt_color, convertWithChroma(txt_blur.rgb * txt_blur.a));
+                 " : "") +
+
                   "txt_color += fontColor.rgb * vec3(color);" +
 
                  "vec3 finalColor = txt_color;" +
@@ -363,6 +378,7 @@ Item {
          property real chromaColor: appSettings.chromaColor;
 
          property real rbgShift: (appSettings.rbgShift / width) * appSettings.totalFontScaling // TODO FILIPPO width here is wrong.
+         property real scanlineBlur: (appSettings.scanlineBlur / width) * appSettings.totalFontScaling
 
          property int rasterization: appSettings.rasterization
 
@@ -408,6 +424,9 @@ Item {
              (rbgShift !== 0 ? "
                  uniform lowp float rbgShift;" : "") +
 
+             (scanlineBlur !== 0 ? "
+                 uniform lowp float scanlineBlur;" : "") +
+
              (ambientLight !== 0 ? "
                  uniform lowp float ambientLight;" : "") +
 
@@ -417,15 +436,15 @@ Item {
                 (appSettings.rasterization != appSettings.no_rasterization ?
                     "float val = 0.0;
                      vec2 rasterizationCoords = fract(coords * virtual_resolution);
-                     val += smoothstep(0.0, 0.5, rasterizationCoords.y);
+                     val += smoothstep(0.1, 0.5, rasterizationCoords.y);
-                     val -= smoothstep(0.5, 1.0, rasterizationCoords.y);
+                     val -= smoothstep(0.5, 0.9, rasterizationCoords.y);
-                     result *= mix(0.5, 1.0, val);" : "") +
+                     result *= mix(0.3, 1.0, val);" : "") +
 
                 (appSettings.rasterization == appSettings.pixel_rasterization ?
                     "val = 0.0;
                      val += smoothstep(0.0, 0.5, rasterizationCoords.x);
                      val -= smoothstep(0.5, 1.0, rasterizationCoords.x);
-                     result *= mix(0.5, 1.0, val);" : "") + "
+                     result *= mix(0.1, 1.0, val);" : "") + "
 
                 return result;
              }
@@ -475,6 +494,19 @@ Item {
                      txt_color.b = leftColor.b * 0.30 + rightColor.b * 0.10 + txt_color.b * 0.60;
                  " : "") +
 
+                 (scanlineBlur !== 0 ? "
+                     vec2 scanlineBlur_displacement = vec2(12.0, 0.0) * scanlineBlur;
+                     vec3 scanlineBlur_rightColor = texture2D(source, txt_coords + scanlineBlur_displacement).rgb;
+                     vec3 scanlineBlur_leftColor = texture2D(source, txt_coords - scanlineBlur_displacement).rgb;
+                     vec3 scanlineBlur_rightColor2 = texture2D(source, txt_coords + scanlineBlur_displacement + scanlineBlur_displacement).rgb;
+                     vec3 scanlineBlur_leftColor2 = texture2D(source, txt_coords - scanlineBlur_displacement - scanlineBlur_displacement).rgb;
+                     vec3 scanlineBlur_rightColor3 = texture2D(source, txt_coords + scanlineBlur_displacement + scanlineBlur_displacement + scanlineBlur_displacement).rgb;
+                     vec3 scanlineBlur_leftColor3 = texture2D(source, txt_coords - scanlineBlur_displacement - scanlineBlur_displacement - scanlineBlur_displacement).rgb;
+                     txt_color.r = scanlineBlur_leftColor3.r * 0.05 + scanlineBlur_leftColor2.r * 0.1 + scanlineBlur_leftColor.r * 0.20 + txt_color.r * 0.30 + scanlineBlur_rightColor.r * 0.20 + scanlineBlur_rightColor2.r * 0.1 + scanlineBlur_rightColor3.r * 0.05;
+                     txt_color.g = scanlineBlur_leftColor3.g * 0.05 + scanlineBlur_leftColor2.g * 0.1 + scanlineBlur_leftColor.g * 0.20 + txt_color.g * 0.30 + scanlineBlur_rightColor.g * 0.20 + scanlineBlur_rightColor2.g * 0.1 + scanlineBlur_rightColor3.g * 0.05;
+                     txt_color.b = scanlineBlur_leftColor3.b * 0.05 + scanlineBlur_leftColor2.b * 0.1 + scanlineBlur_leftColor.b * 0.20 + txt_color.b * 0.30 + scanlineBlur_rightColor.b * 0.20 + scanlineBlur_rightColor2.b * 0.1 + scanlineBlur_rightColor3.b * 0.05;
+                 " : "") +
+
                   "txt_color *= getScanlineIntensity(txt_coords);" +
 
                   "txt_color += vec3(0.0001);" +
@@ -482,7 +514,7 @@ Item {
 
                  (screenCurvature !== 0 ? "
                      float reflectionMask = sum2(step(vec2(0.0), curvatureCoords) - step(vec2(1.0), curvatureCoords));
-                     reflectionMask = clamp(0.0, 1.0, reflectionMask);"
+                     reflectionMask = clamp(reflectionMask, 0.0, 1.0);"
                  :
                      "float reflectionMask = 1.0;") +
 

app/qml/SlowBurnIn.qml

@@ -0,0 +1,147 @@
+import QtQuick 2.0
+
+import "utils.js" as Utils
+
+Loader {
+    property ShaderEffectSource source: item ? item.source : null
+
+    active: !appSettings.useFastBurnIn && appSettings.burnIn !== 0
+
+    anchors.fill: parent
+
+    sourceComponent: Item {
+        property alias source: burnInSourceEffect
+
+        property int burnInScaling: scaleTexture * appSettings.burnInQuality
+
+        ShaderEffectSource {
+            property bool updateBurnIn: false
+            property real burnIn: appSettings.burnIn
+            property real fps: appSettings.fps !== 0 ? appSettings.fps : 60
+            property real burnInFadeTime: Utils.lint(minBurnInFadeTime, maxBurnInFadeTime, burnIn)
+            property real burnInCoefficient: 1000 / (fps * burnInFadeTime)
+            property real minBurnInFadeTime: appSettings.minBurnInFadeTime
+            property real maxBurnInFadeTime: appSettings.maxBurnInFadeTime
+
+            id: burnInSourceEffect
+
+            anchors.fill: parent
+
+            sourceItem: burnInEffect
+            recursive: true
+            live: false
+            hideSource: true
+            wrapMode: kterminalSource.wrapMode
+
+            visible: false
+
+            function restartBlurSource(){
+                livetimer.restart();
+            }
+
+            // This updates the burnin synched with the timer.
+            Connections {
+                target: burnInSourceEffect.updateBurnIn ? timeManager : null
+                ignoreUnknownSignals: false
+                onTimeChanged: {
+                    burnInSourceEffect.scheduleUpdate();
+                }
+            }
+
+            Timer{
+                id: livetimer
+
+                // The interval assumes 60 fps. This is the time needed burnout a white pixel.
+                // We multiply 1.1 to have a little bit of margin over the theoretical value.
+                // This solution is not extremely clean, but it's probably the best to avoid measuring fps.
+
+                interval: burnInSourceEffect.burnInFadeTime * 1.1
+                running: true
+                onTriggered: burnInSourceEffect.updateBurnIn = false;
+            }
+            Connections{
+                target: kterminal
+                onImagePainted:{
+                    burnInSourceEffect.scheduleUpdate();
+                    burnInSourceEffect.updateBurnIn = true;
+                    livetimer.restart();
+                }
+            }
+            // Restart blurred source settings change.
+            Connections{
+                target: appSettings
+                onBurnInChanged: burnInSourceEffect.restartBlurSource();
+                onTerminalFontChanged: burnInSourceEffect.restartBlurSource();
+                onRasterizationChanged: burnInSourceEffect.restartBlurSource();
+                onBurnInQualityChanged: burnInSourceEffect.restartBlurSource();
+            }
+            Connections {
+                target: kterminalScrollbar
+                onOpacityChanged: burnInSourceEffect.restartBlurSource();
+            }
+
+            ShaderEffect {
+                id: burnInEffect
+
+                property variant txt_source: kterminalSource
+                property variant blurredSource: burnInSourceEffect
+                property real burnInCoefficient: burnInSourceEffect.burnInCoefficient
+
+                property int rasterization: appSettings.rasterization
+                property size virtual_resolution: Qt.size(kterminal.totalWidth, kterminal.totalHeight)
+
+                anchors.fill: parent
+                blending: false
+
+                fragmentShader:
+                    "#ifdef GL_ES
+                    precision mediump float;
+                #endif\n" +
+
+                "uniform lowp float qt_Opacity;" +
+                "uniform lowp sampler2D txt_source;" +
+                "uniform highp vec2 virtual_resolution;" +
+
+                "varying highp vec2 qt_TexCoord0;
+             uniform lowp sampler2D blurredSource;
+             uniform highp float burnInCoefficient;" +
+
+                "float max3(vec3 v) {
+                     return max (max (v.x, v.y), v.z);
+                }" +
+
+
+                "highp float getScanlineIntensity(vec2 coords) {
+                 float result = 1.0;" +
+
+                (appSettings.rasterization != appSettings.no_rasterization ?
+                    "float val = 0.0;
+                     vec2 rasterizationCoords = fract(coords * virtual_resolution);
+                     val += smoothstep(0.0, 0.5, rasterizationCoords.y);
+                     val -= smoothstep(0.5, 1.0, rasterizationCoords.y);
+                     result *= mix(0.5, 1.0, val);" : "") +
+
+                (appSettings.rasterization == appSettings.pixel_rasterization ?
+                    "val = 0.0;
+                     val += smoothstep(0.0, 0.5, rasterizationCoords.x);
+                     val -= smoothstep(0.5, 1.0, rasterizationCoords.x);
+                     result *= mix(0.5, 1.0, val);" : "") + "
+
+                return result;
+                }" +
+
+
+                "void main() {" +
+                    "vec2 coords = qt_TexCoord0;" +
+                    "vec3 origColor = texture2D(txt_source, coords).rgb;" +
+                    "origColor *= getScanlineIntensity(coords);" +
+                    "vec3 blur_color = texture2D(blurredSource, coords).rgb - vec3(burnInCoefficient);" +
+                    "vec3 color = min(origColor + blur_color, max(origColor, blur_color));" +
+                    "gl_FragColor = vec4(color, max3(color - origColor));" +
+                "}"
+
+                onStatusChanged: if (log) console.log(log) //Print warning messages
+            }
+        }
+    }
+}

app/qml/TerminalContainer.qml

@@ -12,6 +12,7 @@ ShaderTerminal {
 
     source: terminal.mainSource
     burnInEffect: terminal.burnInEffect
+    slowBurnInEffect: terminal.slowBurnInEffect
     virtual_resolution: terminal.virtualResolution
 
     TimeManager{

app/qml/resources.qrc

@@ -43,5 +43,6 @@
         <file>BurnInEffect.qml</file>
         <file>fonts/modern-terminus/TerminusTTF-4.46.0.ttf</file>
         <file>NewTerminalFrame.qml</file>
+        <file>SlowBurnIn.qml</file>
     </qresource>
 </RCC>

snap/snapcraft.yaml

@@ -1,39 +1,53 @@
 name: cool-retro-term # check to see if it's available
-version: '1.1.0' # this is freakin' awesome
+version: '1.1.1' # this is freakin' awesome
-summary: cool-retro-term is a terminal emulator. # 79 char long summary
+summary: cool-retro-term is a cool and retro terminal emulator. # 79 char long summary
 description: |
   cool-retro-term is a terminal emulator which mimics the look and feel of the old cathode tube screens. It has been designed to be eye-candy, customizable, and reasonably lightweight.
 grade: stable # must be 'stable' to release into candidate/stable channels
-confinement: strict # use 'strict' once you have the right plugs
+confinement: classic # use 'strict' once you have the right plugs
+
+base: core18
 
 apps:
   cool-retro-term:
-    command: desktop-launch $SNAP/usr/bin/cool-retro-term
+    command: bin/desktop-launch $SNAP/usr/bin/cool-retro-term
     desktop: usr/share/applications/cool-retro-term.desktop
-    plugs:
+    environment:
-      - unity7
+      QML2_IMPORT_PATH: $SNAP/usr/lib/x86_64-linux-gnu/qt5/qml
-      - x11
-      - desktop
-      - home
-      - network
-      - network-bind
-      - network-manager
-      - password-manager-service
-      - locale-control
-      - gsettings
-      - shutdown
-      - firewall-control
-      - process-control
-      - system-observe
       
 parts:
+  desktop-qt5:
+    source: https://github.com/ubuntu/snapcraft-desktop-helpers.git
+    source-subdir: qt
+    plugin: make
+    make-parameters: ["FLAVOR=qt5"]
+    build-packages:
+      - build-essential
+      - qtbase5-dev
+      - dpkg-dev
+    stage-packages:
+      - libxkbcommon0
+      - ttf-ubuntu-font-family
+      - dmz-cursor-theme
+      - light-themes
+      - adwaita-icon-theme
+      - gnome-themes-standard
+      - shared-mime-info
+      - libqt5gui5
+      - libgdk-pixbuf2.0-0
+      - libqt5svg5 # for loading icon themes which are svg
+      - try: [appmenu-qt5] # not available on core18
+      - locales-all
+      - xdg-user-dirs
+      - fcitx-frontend-qt5
+
   my-part:
     source: https://github.com/Swordfish90/cool-retro-term
     source-type: git
     plugin: qmake # See 'snapcraft plugins'
     qt-version: qt5
     after: [desktop-qt5]
-    
+
     build-packages:
       - build-essential 
       - qmlscene 
@@ -44,11 +58,14 @@ parts:
     stage-packages: 
       - qmlscene
       - qml-module-qtquick-controls 
-      - qtdeclarative5-qtquick2-plugin 
+      - qml-module-qtquick2
-      - libqt5qml-graphicaleffects 
+      - qml-module-qtgraphicaleffects
       - qml-module-qtquick-dialogs 
-      - qtdeclarative5-localstorage-plugin 
+      - qml-module-qtquick-localstorage
-      - qtdeclarative5-window-plugin
+      - qml-module-qtquick-window2
       - libgl1-mesa-dev
       - qtdeclarative5-dev-tools
       - qml-module-qtquick-extras
+      - qml-module-qt-labs-settings
+      - qml-module-qt-labs-folderlistmodel
+