Burnin is now subtractive. Better looking and more predictable.

Fix bad behaving color dialog on some platforms.

app/main.cpp

@@ -24,7 +24,16 @@ QString getNamedArgument(QStringList args, QString name)
 
 int main(int argc, char *argv[])
 {
+    // Some environmental variable are necessary on certain platforms.
+
+    // This disables QT appmenu under Ubuntu, which is not working with QML apps.
     setenv("QT_QPA_PLATFORMTHEME", "", 1);
+
+#if defined(Q_OS_MAC)
+    // This allows UTF-8 characters usage in OSX.
+    setenv("LC_CTYPE", "UTF-8", 1);
+#endif
+
     QApplication app(argc, argv);
     QQmlApplicationEngine engine;
     FileIO fileIO;
@@ -60,6 +69,7 @@ int main(int argc, char *argv[])
     QStringList importPathList = engine.importPathList();
     importPathList.prepend(QCoreApplication::applicationDirPath() + "/qmltermwidget");
     importPathList.prepend(QCoreApplication::applicationDirPath() + "/../PlugIns");
+    importPathList.prepend(QCoreApplication::applicationDirPath() + "/../../../qmltermwidget");
     engine.setImportPathList(importPathList);
 
     engine.load(QUrl("qrc:/main.qml"));

app/qml/ApplicationSettings.qml

@@ -81,6 +81,8 @@ QtObject{
     property real fontScaling: 1.0
     property real fontWidth: 1.0
 
+    property bool lowResolutionFont: false
+
     property var fontNames: ["HERMIT", "COMMODORE_PET", "COMMODORE_PET"]
     property var fontlist: fontManager.item.fontlist
 
@@ -135,6 +137,8 @@ QtObject{
         var screenScaling = fontManager.item.screenScaling;
         var fontWidth = fontManager.item.defaultFontWidth * appSettings.fontWidth;
 
+        lowResolutionFont = fontManager.item.lowResolutionFont;
+
         terminalFontChanged(fontSource, pixelSize, lineSpacing, screenScaling, fontWidth);
     }
 
@@ -367,12 +371,12 @@ QtObject{
     property ListModel profilesList: ListModel{
         ListElement{
             text: "Default Amber"
-            obj_string: '{"ambientLight":0.16,"backgroundColor":"#000000","bloom":0.65,"brightness":0.5,"flickering":0.1,"contrast":0.85,"fontName":"HERMIT","fontColor":"#ff8100","frameName":"SIMPLE_WHITE_FRAME","glowingLine":0.2,"horizontalSync":0.16,"jitter":0.18,"burnIn":0.4,"staticNoise":0.1,"rasterization":0,"screenCurvature":0.1,"windowOpacity":1,"chromaColor":0,"saturationColor":0,"rbgShift":0,"fontWidth":1.0}'
+            obj_string: '{"ambientLight":0.16,"backgroundColor":"#000000","bloom":0.65,"brightness":0.5,"flickering":0.1,"contrast":0.85,"fontName":"TERMINUS_SCALED","fontColor":"#ff8100","frameName":"SIMPLE_WHITE_FRAME","glowingLine":0.2,"horizontalSync":0.16,"jitter":0.18,"burnIn":0.4,"staticNoise":0.1,"rasterization":0,"screenCurvature":0.1,"windowOpacity":1,"chromaColor":0,"saturationColor":0,"rbgShift":0,"fontWidth":1.0}'
             builtin: true
         }
         ListElement{
             text: "Default Green"
-            obj_string: '{"ambientLight":0.16,"backgroundColor":"#000000","bloom":0.4,"brightness":0.5,"flickering":0.1,"contrast":0.85,"fontName":"HERMIT","fontColor":"#0ccc68","frameName":"SIMPLE_WHITE_FRAME","glowingLine":0.2,"horizontalSync":0.16,"jitter":0.18,"burnIn":0.45,"staticNoise":0.1,"rasterization":0,"screenCurvature":0.1,"windowOpacity":1,"chromaColor":0,"saturationColor":0,"rbgShift":0,"fontWidth":1.0}'
+            obj_string: '{"ambientLight":0.16,"backgroundColor":"#000000","bloom":0.4,"brightness":0.5,"flickering":0.1,"contrast":0.85,"fontName":"TERMINUS_SCALED","fontColor":"#0ccc68","frameName":"SIMPLE_WHITE_FRAME","glowingLine":0.2,"horizontalSync":0.16,"jitter":0.18,"burnIn":0.45,"staticNoise":0.1,"rasterization":0,"screenCurvature":0.1,"windowOpacity":1,"chromaColor":0,"saturationColor":0,"rbgShift":0,"fontWidth":1.0}'
             builtin: true
         }
         ListElement{
@@ -407,7 +411,7 @@ QtObject{
         }
         ListElement{
             text: "Transparent Green"
-            obj_string: '{"ambientLight":0.2,"backgroundColor":"#000000","bloom":0.45,"brightness":0.5,"flickering":0.20,"contrast":0.85,"fontName":"HERMIT","fontColor":"#0ccc68","frameName":"NO_FRAME","glowingLine":0.16,"horizontalSync":0.1,"jitter":0.20,"burnIn":0.25,"staticNoise":0.20,"rasterization":0,"screenCurvature":0.05,"windowOpacity":0.60,"chromaColor":0,"saturationColor":0,"rbgShift":0,"fontWidth":1.0}'
+            obj_string: '{"ambientLight":0.2,"backgroundColor":"#000000","bloom":0.45,"brightness":0.5,"flickering":0.20,"contrast":0.85,"fontName":"TERMINUS_SCALED","fontColor":"#0ccc68","frameName":"NO_FRAME","glowingLine":0.16,"horizontalSync":0.1,"jitter":0.20,"burnIn":0.25,"staticNoise":0.20,"rasterization":0,"screenCurvature":0.05,"windowOpacity":0.60,"chromaColor":0,"saturationColor":0,"rbgShift":0,"fontWidth":1.0}'
             builtin: true
         }
     }

app/qml/ColorButton.qml

@@ -22,8 +22,10 @@ import QtQuick 2.2
 import QtQuick.Dialogs 1.1
 
 Item {
+    id: rootItem
+
     signal colorSelected (color color)
-    property color button_color
+    property color color
     property string name
 
     ColorDialog {
@@ -33,13 +35,13 @@ Item {
         visible: false
 
         //This is a workaround to a Qt 5.2 bug.
-        onCurrentColorChanged: colorDialog.color = colorDialog.currentColor;
-        onAccepted: colorSelected(color)
+        onColorChanged: if (Qt.platform.os !== "osx") colorSelected(color)
+        onAccepted: if (Qt.platform.os === "osx") colorSelected(color)
     }
     Rectangle{
         anchors.fill: parent
         radius: 10
-        color: button_color
+        color: rootItem.color
         border.color: "black"
         Glossy {}
         Rectangle {
@@ -52,7 +54,7 @@ Item {
         Text{
             anchors.centerIn: parent
             z: parent.z + 1
-            text: name + ":  " + button_color
+            text: name + ":  " + rootItem.color
         }
     }
     MouseArea{

app/qml/FontPixels.qml

@@ -29,6 +29,7 @@ QtObject{
     property int lineSpacing: _font.lineSpacing
     property real screenScaling: scaling * _font.baseScaling
     property real defaultFontWidth: fontlist.get(selectedFontIndex).fontWidth
+    property bool lowResolutionFont: true
 
     property ListModel fontlist: ListModel{
         ListElement{
@@ -49,6 +50,24 @@ QtObject{
             baseScaling: 4.0
             fontWidth: 0.9
         }
+        ListElement{
+            name: "TERMINUS_SCALED"
+            text: "Terminus (Modern)"
+            source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
+            lineSpacing: 1
+            pixelSize: 12
+            baseScaling: 3.0
+            fontWidth: 1.0
+        }
+        ListElement{
+            name: "PRO_FONT_SCALED"
+            text: "Pro Font (Modern)"
+            source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
+            lineSpacing: 1
+            pixelSize: 12
+            baseScaling: 3.0
+            fontWidth: 1.0
+        }
         ListElement{
             name: "APPLE_II"
             text: "Apple ][ (1977)"

app/qml/FontScanlines.qml

@@ -29,6 +29,7 @@ QtObject{
     property int lineSpacing: _font.lineSpacing
     property real screenScaling: scaling * _font.baseScaling
     property real defaultFontWidth: fontlist.get(selectedFontIndex).fontWidth
+    property bool lowResolutionFont: true
 
     property ListModel fontlist: ListModel{
         ListElement{
@@ -49,6 +50,24 @@ QtObject{
             baseScaling: 4.0
             fontWidth: 0.9
         }
+        ListElement{
+            name: "TERMINUS_SCALED"
+            text: "Terminus (Modern)"
+            source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
+            lineSpacing: 1
+            pixelSize: 12
+            baseScaling: 3.0
+            fontWidth: 1.0
+        }
+        ListElement{
+            name: "PRO_FONT_SCALED"
+            text: "Pro Font (Modern)"
+            source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
+            lineSpacing: 1
+            pixelSize: 12
+            baseScaling: 3.0
+            fontWidth: 1.0
+        }
         ListElement{
             name: "APPLE_II"
             text: "Apple ][ (1977)"

app/qml/Fonts.qml

@@ -25,117 +25,183 @@ QtObject{
     property real scaling
     property var source: fontlist.get(selectedFontIndex).source
     property var _font: fontlist.get(selectedFontIndex)
-    property int pixelSize: _font.pixelSize * scaling
-    property int lineSpacing: pixelSize * _font.lineSpacing
-    property real screenScaling: 1.0
+    property bool lowResolutionFont: _font.lowResolutionFont
+
+    property int pixelSize: lowResolutionFont
+                                 ? _font.pixelSize
+                                 : _font.pixelSize * scaling
+
+    property int lineSpacing: lowResolutionFont
+                                  ? _font.lineSpacing
+                                  : pixelSize * _font.lineSpacing
+
+    property real screenScaling: lowResolutionFont
+                                     ? _font.baseScaling * scaling
+                                     : 1.0
+
     property real defaultFontWidth: fontlist.get(selectedFontIndex).fontWidth
 
-    //In this configuration lineSpacing is proportional to pixelSize.
+    // There are two kind of fonts: low resolution and high resolution.
+    // Low resolution font sets the lowResolutionFont property to true.
+    // They are rendered at a fixed pixel size and the texture is upscaled
+    // to fill the screen (they are much faster to render).
+    // High resolution fonts are instead drawn on a texture which has the
+    // size of the screen, and the scaling directly controls their pixels size.
+    // Those are slower to render but are not pixelated.
 
     property ListModel fontlist: ListModel{
         ListElement{
-            name: "HERMIT"
-            text: "Hermit (Modern)"
-            source: "fonts/modern-hermit/Hermit-medium.otf"
-            lineSpacing: 0.05
-            pixelSize: 28
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "TERMINUS"
+            name: "TERMINUS_SCALED"
             text: "Terminus (Modern)"
             source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
-            lineSpacing: 0.1
-            pixelSize: 35
+            lineSpacing: 1
+            pixelSize: 12
+            baseScaling: 3.0
             fontWidth: 1.0
+            lowResolutionFont: true
         }
         ListElement{
-            name: "ENVY_CODE_R"
-            text: "Envy Code R (Modern)"
-            source: "fonts/modern-envy-code-r/Envy Code R.ttf"
-            lineSpacing: 0.1
-            pixelSize: 30
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "PRO_FONT"
+            name: "PRO_FONT_SCALED"
             text: "Pro Font (Modern)"
             source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
-            lineSpacing: 0.1
-            pixelSize: 35
+            lineSpacing: 1
+            pixelSize: 12
+            baseScaling: 3.0
             fontWidth: 1.0
+            lowResolutionFont: true
         }
         ListElement{
-            name: "MONACO"
-            text: "Monaco (Modern)"
-            source: "fonts/modern-monaco/monaco.ttf"
-            lineSpacing: 0.1
-            pixelSize: 30
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "INCONSOLATA"
-            text: "Inconsolata (Modern)"
-            source: "fonts/modern-inconsolata/Inconsolata.otf"
-            lineSpacing: 0.1
-            pixelSize: 35
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "COMMODORE_PET"
+            name: "COMMODORE_PET_SCALED"
             text: "Commodore PET (1977)"
             source: "fonts/1977-commodore-pet/COMMODORE_PET.ttf"
-            lineSpacing: 0.2
-            pixelSize: 26
+            lineSpacing: 2
+            pixelSize: 8
+            baseScaling: 3.5
             fontWidth: 0.7
+            lowResolutionFont: true
         }
         ListElement{
-            name: "APPLE_II"
+            name: "PROGGY_TINY_SCALED"
+            text: "Proggy Tiny (Modern)"
+            source: "fonts/modern-proggy-tiny/ProggyTiny.ttf"
+            lineSpacing: 1
+            pixelSize: 16
+            baseScaling: 3.0
+            fontWidth: 0.9
+            lowResolutionFont: true
+        }
+        ListElement{
+            name: "APPLE_II_SCALED"
             text: "Apple ][ (1977)"
             source: "fonts/1977-apple2/PrintChar21.ttf"
-            lineSpacing: 0.2
-            pixelSize: 26
+            lineSpacing: 2
+            pixelSize: 8
+            baseScaling: 3.5
             fontWidth: 0.8
+            lowResolutionFont: true
         }
         ListElement{
-            name: "ATARI_400"
+            name: "ATARI_400_SCALED"
             text: "Atari 400-800 (1979)"
             source: "fonts/1979-atari-400-800/ATARI400800_original.TTF"
-            lineSpacing: 0.3
-            pixelSize: 26
+            lineSpacing: 3
+            pixelSize: 8
+            baseScaling: 3.5
             fontWidth: 0.7
+            lowResolutionFont: true
         }
         ListElement{
-            name: "COMMODORE_64"
+            name: "COMMODORE_64_SCALED"
             text: "Commodore 64 (1982)"
             source: "fonts/1982-commodore64/C64_Pro_Mono_v1.0-STYLE.ttf"
-            lineSpacing: 0.3
-            pixelSize: 26
+            lineSpacing: 3
+            pixelSize: 8
+            baseScaling: 3.5
             fontWidth: 0.7
+            lowResolutionFont: true
         }
         ListElement{
-            name: "ATARI_ST"
+            name: "ATARI_ST_SCALED"
             text: "Atari ST (1985)"
             source: "fonts/1985-atari-st/AtariST8x16SystemFont.ttf"
-            lineSpacing: 0.2
-            pixelSize: 32
+            lineSpacing: 3
+            pixelSize: 16
+            baseScaling: 2.0
             fontWidth: 1.0
+            lowResolutionFont: true
         }
         ListElement{
             name: "IBM_DOS"
             text: "IBM DOS (1985)"
             source: "fonts/1985-ibm-pc-vga/Perfect DOS VGA 437 Win.ttf"
-            lineSpacing: 0.2
-            pixelSize: 32
+            lineSpacing: 3
+            pixelSize: 16
+            baseScaling: 2.0
             fontWidth: 1.0
+            lowResolutionFont: true
+        }
+        ListElement{
+            name: "HERMIT"
+            text: "HD: Hermit (Modern)"
+            source: "fonts/modern-hermit/Hermit-medium.otf"
+            lineSpacing: 0.05
+            pixelSize: 28
+            fontWidth: 1.0
+            lowResolutionFont: false
+        }
+        ListElement{
+            name: "TERMINUS"
+            text: "HD: Terminus (Modern)"
+            source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
+            lineSpacing: 0.1
+            pixelSize: 35
+            fontWidth: 1.0
+            lowResolutionFont: false
+        }
+        ListElement{
+            name: "PRO_FONT"
+            text: "HD: Pro Font (Modern)"
+            source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
+            lineSpacing: 0.1
+            pixelSize: 35
+            fontWidth: 1.0
+            lowResolutionFont: false
+        }
+        ListElement{
+            name: "ENVY_CODE_R"
+            text: "HD: Envy Code R (Modern)"
+            source: "fonts/modern-envy-code-r/Envy Code R.ttf"
+            lineSpacing: 0.1
+            pixelSize: 30
+            fontWidth: 1.0
+            lowResolutionFont: false
+        }
+        ListElement{
+            name: "MONACO"
+            text: "HD: Monaco (Modern)"
+            source: "fonts/modern-monaco/monaco.ttf"
+            lineSpacing: 0.1
+            pixelSize: 30
+            fontWidth: 1.0
+            lowResolutionFont: false
+        }
+        ListElement{
+            name: "INCONSOLATA"
+            text: "HD: Inconsolata (Modern)"
+            source: "fonts/modern-inconsolata/Inconsolata.otf"
+            lineSpacing: 0.1
+            pixelSize: 35
+            fontWidth: 1.0
+            lowResolutionFont: false
         }
         ListElement{
             name: "IBM_3278"
-            text: "IBM 3278 (1971)"
+            text: "HD: IBM 3278 (1971)"
             source: "fonts/1971-ibm-3278/3270Medium.ttf"
             lineSpacing: 0.2
             pixelSize: 32
             fontWidth: 1.0
+            lowResolutionFont: false
         }
     }
 }

app/qml/PreprocessedTerminal.qml

@@ -23,6 +23,8 @@ import QtQuick.Controls 1.1
 
 import QMLTermWidget 1.0
 
+import "utils.js" as Utils
+
 Item{
     id: terminalContainer
 
@@ -43,10 +45,10 @@ Item{
     anchors.bottomMargin: frame.displacementBottom * appSettings.windowScaling
 
     //The blur effect has to take into account the framerate
-    property real mBlur: appSettings.burnIn
-    property real motionBlurCoefficient: (_maxBlurCoefficient * Math.sqrt(mBlur) + _minBlurCoefficient * (1 - Math.sqrt(mBlur)))
-    property real _minBlurCoefficient: 0.50
-    property real _maxBlurCoefficient: 0.90
+    property real mBlur: Math.sqrt(appSettings.burnIn)
+    property real motionBlurCoefficient: Utils.lint(_minBlurCoefficient, _maxBlurCoefficient, mBlur)
+    property real _minBlurCoefficient: 0.2
+    property real _maxBlurCoefficient: 0.02
 
     property size terminalSize: kterminal.terminalSize
     property size fontMetrics: kterminal.fontMetrics
@@ -83,7 +85,7 @@ Item{
 
         colorScheme: "cool-retro-term"
 
-        smooth: appSettings.rasterization === appSettings.no_rasterization
+        smooth: !appSettings.lowResolutionFont
         enableBold: false
         fullCursorHeight: true
 
@@ -115,13 +117,13 @@ Item{
         function handleFontChange(fontSource, pixelSize, lineSpacing, screenScaling, fontWidth){
             fontLoader.source = fontSource;
 
-            kterminal.antialiasText = appSettings.rasterization === appSettings.no_rasterization
+            kterminal.antialiasText = !appSettings.lowResolutionFont;
             font.pixelSize = pixelSize;
             font.family = fontLoader.name;
 
             terminalContainer.fontWidth = fontWidth;
-            terminalContainer.screenScaling= screenScaling;
-            scaleTexture = Math.max(1.0, Math.round(screenScaling / 2));
+            terminalContainer.screenScaling = screenScaling;
+            scaleTexture = Math.max(1.0, Math.floor(screenScaling * appSettings.windowScaling));
 
             kterminal.lineSpacing = lineSpacing;
         }
@@ -174,6 +176,7 @@ Item{
     MouseArea{
         acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
         anchors.fill: parent
+        cursorShape: Qt.IBeamCursor
         onWheel:{
             if(wheel.modifiers & Qt.ControlModifier){
                wheel.angleDelta.y > 0 ? zoomIn.trigger() : zoomOut.trigger();
@@ -243,6 +246,12 @@ Item{
 
             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: (1 / motionBlurCoefficient) * 60 * 1.1
                 running: true
                 onTriggered: _blurredSourceEffect.live = false;
             }
@@ -271,15 +280,22 @@ Item{
     Loader{
         id: blurredTerminalLoader
 
-        width: kterminal.width * scaleTexture * appSettings.burnInQuality
-        height: kterminal.height * scaleTexture * appSettings.burnInQuality
+        property int burnInScaling: scaleTexture * appSettings.burnInQuality
+
+        width: appSettings.lowResolutionFont
+                  ? kterminal.width * Math.max(1, burnInScaling)
+                  : kterminal.width * scaleTexture * appSettings.burnInQuality
+        height: appSettings.lowResolutionFont
+                    ? kterminal.height * Math.max(1, burnInScaling)
+                    : kterminal.height * scaleTexture * appSettings.burnInQuality
+
         active: mBlur !== 0
         asynchronous: true
 
         sourceComponent: ShaderEffect {
             property variant txt_source: kterminalSource
             property variant blurredSource: blurredSourceLoader.item
-            property real blurCoefficient: (1.0 - motionBlurCoefficient)
+            property real blurCoefficient: motionBlurCoefficient
 
             blending: false
 
@@ -299,10 +315,10 @@ Item{
                 "void main() {" +
                     "vec2 coords = qt_TexCoord0;" +
                     "vec3 origColor = texture2D(txt_source, coords).rgb;" +
-                    "vec3 blur_color = texture2D(blurredSource, coords).rgb * (1.0 - blurCoefficient);" +
+                    "vec3 blur_color = texture2D(blurredSource, coords).rgb - vec3(blurCoefficient);" +
                     "vec3 color = min(origColor + blur_color, max(origColor, blur_color));" +
 
-                    "gl_FragColor = vec4(color, step(0.02, rgb2grey(color - origColor)));" +
+                    "gl_FragColor = vec4(color, rgb2grey(color - origColor));" +
                 "}"
 
             onStatusChanged: if (log) console.log(log) //Print warning messages

app/qml/SettingsPerformanceTab.qml

@@ -55,10 +55,10 @@ Tab{
                     Layout.fillWidth: true
                     id: txtslider
                     onValueChanged: if (enabled) appSettings.windowScaling = value;
-                    stepSize: 0.10
+                    stepSize: 0.05
                     enabled: false
                     Component.onCompleted: {
-                        minimumValue = 0.3 //Without this value gets set to 0.5
+                        minimumValue = 0.25 //Without this value gets set to 0.5
                         value = appSettings.windowScaling;
                         enabled = true;
                     }
@@ -80,10 +80,10 @@ Tab{
                     Layout.fillWidth: true
                     id: bloomSlider
                     onValueChanged: if (enabled) appSettings.bloomQuality = value;
-                    stepSize: 0.10
+                    stepSize: 0.05
                     enabled: false
                     Component.onCompleted: {
-                        minimumValue = 0.3
+                        minimumValue = 0.25
                         value = appSettings.bloomQuality;
                         enabled = true;
                     }
@@ -105,10 +105,10 @@ Tab{
                     Layout.fillWidth: true
                     id: burnInSlider
                     onValueChanged: if (enabled) appSettings.burnInQuality = value;
-                    stepSize: 0.10
+                    stepSize: 0.05
                     enabled: false
                     Component.onCompleted: {
-                        minimumValue = 0.3
+                        minimumValue = 0.25
                         value = appSettings.burnInQuality;
                         enabled = true;
                     }

app/qml/SettingsTerminalTab.qml

@@ -125,14 +125,14 @@ Tab{
                         height: 50
                         Layout.fillWidth: true
                         onColorSelected: appSettings._fontColor = color;
-                        button_color: appSettings._fontColor
+                        color: appSettings._fontColor
                     }
                     ColorButton{
                         name: qsTr("Background")
                         height: 50
                         Layout.fillWidth: true
                         onColorSelected: appSettings._backgroundColor = color;
-                        button_color: appSettings._backgroundColor
+                        color: appSettings._backgroundColor
                     }
                 }
             }

app/qml/ShaderTerminal.qml

@@ -26,6 +26,8 @@ ShaderEffect {
     property ShaderEffectSource blurredSource
     property ShaderEffectSource bloomSource
 
+    property real liveBlur: blurredSource && blurredSource.live ? 1.0 : 0.0
+
     property color fontColor: appSettings.fontColor
     property color backgroundColor: appSettings.backgroundColor
     property real bloom: appSettings.bloom * 2.5
@@ -160,7 +162,8 @@ ShaderEffect {
             uniform highp sampler2D bloomSource;
             uniform lowp float bloom;" : "") +
         (burnIn !== 0 ? "
-            uniform sampler2D blurredSource;" : "") +
+            uniform sampler2D blurredSource;
+            uniform lowp float liveBlur;" : "") +
         (staticNoise !== 0 ? "
             uniform highp float staticNoise;" : "") +
         (((staticNoise !== 0 || jitter !== 0 || rbgShift)
@@ -266,7 +269,7 @@ ShaderEffect {
             "vec3 txt_color = texture2D(source, txt_coords).rgb;" +
 
             (burnIn !== 0 ? "
-                vec4 txt_blur = texture2D(blurredSource, txt_coords);
+                vec4 txt_blur = liveBlur * texture2D(blurredSource, txt_coords);
                 txt_color = txt_color + txt_blur.rgb * txt_blur.a;"
             : "") +
 

app/qml/TerminalContainer.qml

@@ -1,6 +1,8 @@
 import QtQuick 2.2
 import QtGraphicalEffects 1.0
 
+import "utils.js" as Utils
+
 ShaderTerminal{
     property alias title: terminal.title
     property alias terminalSize: terminal.terminalSize
@@ -45,9 +47,10 @@ ShaderTerminal{
         asynchronous: true
         width: parent.width * appSettings.bloomQuality
         height: parent.height * appSettings.bloomQuality
+
         sourceComponent: FastBlur{
-            radius: 48 * appSettings.bloomQuality * appSettings.windowScaling
-            source: terminal.mainTerminal
+            radius: Utils.lint(16, 48, appSettings.bloomQuality * appSettings.windowScaling);
+            source: terminal.mainSource
             transparentBorder: true
         }
     }
@@ -67,8 +70,8 @@ ShaderTerminal{
     bloomSource: bloomSourceLoader.item
 
     // This shader might be useful in the future. Since we used it only for a couple
-    // of calculations is probably best to move those in the main shader. If in
-    // we will need to store another fullScreen channel this might be handy.
+    // of calculations is probably best to move those in the main shader. If in the future
+    // we need to store another fullScreen channel this might be handy.
 
 //    ShaderEffect {
 //        id: rasterizationEffect

app/qml/frames/utils/TerminalFrame.qml

@@ -83,7 +83,7 @@ Item{
         sourceComponent: FastBlur{
             id: frameReflectionEffect
             radius: 128
-            source: terminal.kterminal
+            source: terminal.mainSource
             smooth: false
         }
     }

app/qml/utils.js

@@ -1,5 +1,8 @@
 .pragma library
 
+function lint(a, b, t) {
+    return (1 - t) * a + (t) * b;
+}
 function mix(c1, c2, alpha){
     return Qt.rgba(c1.r * alpha + c2.r * (1-alpha),
                    c1.g * alpha + c2.g * (1-alpha),