mirror of
https://github.com/Swordfish90/cool-retro-term.git
synced 2024-07-12 07:42:46 +02:00
427 lines
15 KiB
QML
427 lines
15 KiB
QML
/*******************************************************************************
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* Copyright (c) 2013 "Filippo Scognamiglio"
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* https://github.com/Swordifish90/cool-old-term
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*
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* This file is part of cool-old-term.
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*
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* cool-old-term is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*******************************************************************************/
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import QtQuick 2.2
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import QtGraphicalEffects 1.0
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import QtQuick.Controls 1.1
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import org.kde.konsole 0.1
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Item{
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id: terminalContainer
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property variant theSource: finalSource
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property variant bloomSource: bloomSourceLoader.item
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property variant rasterizationSource: rasterizationEffectSource
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property variant staticNoiseSource: staticNoiseSource
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property alias kterminal: kterminal
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signal sizeChanged
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onWidthChanged: sizeChanged()
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onHeightChanged: sizeChanged()
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//The blur effect has to take into account the framerate
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property int fps: shadersettings.fps !== 0 ? shadersettings.fps : 60
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property real fpsAttenuation: Math.sqrt(60 / fps)
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property real mBlur: shadersettings.motion_blur
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property real motionBlurCoefficient: (_maxBlurCoefficient * mBlur + _minBlurCoefficient * (1 - mBlur))
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property real _minBlurCoefficient: 0.70
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property real _maxBlurCoefficient: 0.90
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property size virtualPxSize: Qt.size(1,1)
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property size virtual_resolution: Qt.size(width / virtualPxSize.width, height / virtualPxSize.height)
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property real deltay: 0.5 / virtual_resolution.height
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property real deltax: 0.5 / virtual_resolution.width
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property real mBloom: shadersettings.bloom_strength
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property int mScanlines: shadersettings.rasterization
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onMScanlinesChanged: restartBlurredSource()
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property size terminalSize: kterminal.terminalSize
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property size paintedTextSize
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onMBlurChanged: restartBlurredSource()
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function restartBlurredSource(){
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if(!blurredSource) return;
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blurredSource.live = true;
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livetimer.restart()
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}
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function pasteClipboard(){
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kterminal.pasteClipboard();
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}
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function copyClipboard(){
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kterminal.copyClipboard();
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}
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KTerminal {
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id: kterminal
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anchors.fill: parent
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colorScheme: "cool-old-term"
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session: KSession {
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id: ksession
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kbScheme: "linux"
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onFinished: {
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Qt.quit()
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}
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}
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FontLoader{ id: fontLoader }
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Text{id: fontMetrics; text: "B"; visible: false}
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function getPaintedSize(pixelSize){
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fontMetrics.font.family = fontLoader.name;
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fontMetrics.font.pixelSize = pixelSize;
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return Qt.size(fontMetrics.paintedWidth, fontMetrics.paintedHeight);
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}
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function isValid(size){
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return size.width >= 0 && size.height >= 0;
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}
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function handleFontChange(fontSource, pixelSize, lineSpacing, virtualCharSize){
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fontLoader.source = fontSource;
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font.pixelSize = pixelSize * shadersettings.window_scaling;
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font.family = fontLoader.name;
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var paintedSize = getPaintedSize(pixelSize);
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var charSize = isValid(virtualCharSize)
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? virtualCharSize
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: Qt.size(paintedSize.width / 2, paintedSize.height / 2);
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var virtualPxSize = Qt.size((paintedSize.width / charSize.width) * shadersettings.window_scaling,
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(paintedSize.height / charSize.height) * shadersettings.window_scaling)
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terminalContainer.virtualPxSize = virtualPxSize;
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setLineSpacing(lineSpacing * shadersettings.window_scaling);
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restartBlurredSource();
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}
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Component.onCompleted: {
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shadersettings.terminalFontChanged.connect(handleFontChange);
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forceActiveFocus();
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}
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}
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Menu{
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id: contextmenu
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MenuItem{action: copyAction}
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MenuItem{action: pasteAction}
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MenuSeparator{}
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MenuItem{action: fullscreenAction}
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MenuItem{action: showMenubarAction}
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}
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MouseArea{
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acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
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anchors.fill: parent
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onWheel:{
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var coord = correctDistortion(wheel.x, wheel.y);
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var lines = wheel.angleDelta.y > 0 ? -2 : 2;
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kterminal.scrollWheel(coord.width, coord.height, lines);
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}
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onClicked: {
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if (mouse.button == Qt.RightButton){
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contextmenu.popup();
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} else if (mouse.button == Qt.MiddleButton){
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kterminal.pasteSelection();
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}
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}
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onDoubleClicked: {
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if (mouse.button == Qt.LeftButton){
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var coord = correctDistortion(mouse.x, mouse.y);
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kterminal.mouseDoubleClick(coord.width, coord.height);
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}
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}
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onPositionChanged: {
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if (pressedButtons & Qt.LeftButton){
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var coord = correctDistortion(mouse.x, mouse.y);
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kterminal.mouseMove(coord.width, coord.height);
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}
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}
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onPressed: {
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if (mouse.button == Qt.LeftButton){
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var coord = correctDistortion(mouse.x, mouse.y);
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kterminal.mousePress(coord.width, coord.height);
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}
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}
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onReleased: {
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if (mouse.button == Qt.LeftButton){
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var coord = correctDistortion(mouse.x, mouse.y);
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kterminal.mouseRelease(coord.width, coord.height);
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}
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}
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//Frame displacement properties
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property real dtop: frame.item.displacementTop
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property real dleft:frame.item.displacementLeft
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property real dright: frame.item.displacementRight
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property real dbottom: frame.item.displacementBottom
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function correctDistortion(x, y){
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x = x / width;
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y = y / height;
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x = (-dleft + x * (width + dleft + dright)) / width
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y = (-dtop + y * (height + dtop + dbottom)) / height
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var cc = Qt.size(0.5 - x, 0.5 - y);
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var distortion = (cc.height * cc.height + cc.width * cc.width) * shadersettings.screen_distortion;
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return Qt.size((x - cc.width * (1+distortion) * distortion) * width,
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(y - cc.height * (1+distortion) * distortion) * height)
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}
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}
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ShaderEffectSource{
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id: source
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sourceItem: kterminal
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hideSource: true
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smooth: false
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}
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ShaderEffectSource{
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id: blurredSource
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sourceItem: blurredterminal
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recursive: true
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live: false
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hideSource: true
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smooth: false
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antialiasing: false
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Timer{
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id: livetimer
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running: true
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onRunningChanged: running ?
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timeManager.onTimeChanged.connect(blurredSource.scheduleUpdate) :
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timeManager.onTimeChanged.disconnect(blurredSource.scheduleUpdate)
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Component.onCompleted: kterminal.updatedImage.connect(restart);
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}
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}
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ShaderEffectSource{
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id: finalSource
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sourceItem: blurredterminal
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sourceRect: frame.sourceRect
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//format: ShaderEffectSource.Alpha
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hideSource: true
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}
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ShaderEffect {
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id: blurredterminal
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anchors.fill: parent
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property variant source: source
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property variant blurredSource: (mBlur !== 0) ? blurredSource : undefined
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property size virtual_resolution: parent.virtual_resolution
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property size delta: Qt.size((mScanlines == shadersettings.pixel_rasterization ? deltax : 0),
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mScanlines != shadersettings.no_rasterization ? deltay : 0)
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blending: false
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fragmentShader:
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"uniform lowp float qt_Opacity;" +
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"uniform lowp sampler2D source;" +
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"uniform highp vec2 delta;" +
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"varying highp vec2 qt_TexCoord0;
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uniform highp vec2 virtual_resolution;" +
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(mBlur !== 0 ?
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"uniform lowp sampler2D blurredSource;"
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: "") +
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"void main() {" +
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"vec2 coords = qt_TexCoord0;" +
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(mScanlines != shadersettings.no_rasterization ? "
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coords.y = floor(virtual_resolution.y * coords.y) / virtual_resolution.y;" +
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(mScanlines == shadersettings.pixel_rasterization ? "
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coords.x = floor(virtual_resolution.x * coords.x) / virtual_resolution.x;" : "")
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: "") +
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"coords = coords + delta;" +
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"vec4 vcolor = texture2D(source, coords) * 256.0;
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float color = vcolor.r * 0.21 + vcolor.g * 0.72 + vcolor.b + 0.04;" +
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(mBlur !== 0 ?
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"float blurredSourceColor = texture2D(blurredSource, coords).a * 256.0;" +
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"blurredSourceColor = blurredSourceColor - blurredSourceColor * " + (1.0 - motionBlurCoefficient) * fpsAttenuation+ ";" +
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"color = step(1.0, color) * color + step(color, 1.0) * blurredSourceColor;"
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: "") +
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"gl_FragColor.a = floor(color) / 256.0;" +
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"}"
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onStatusChanged: if (log) console.log(log) //Print warning messages
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}
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///////////////////////////////////////////////////////////////////////////
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// EFFECTS //////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////
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// BLOOM ////////////////////////////////////////////////////////////////
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Loader{
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id: bloomEffectLoader
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active: mBloom != 0
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anchors.fill: parent
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sourceComponent: FastBlur{
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radius: 48
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source: kterminal
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transparentBorder: true
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smooth: false
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}
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}
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Loader{
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id: bloomSourceLoader
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active: mBloom != 0
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sourceComponent: ShaderEffectSource{
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sourceItem: bloomEffectLoader.item
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hideSource: true
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sourceRect: frame.sourceRect
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smooth: false
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}
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}
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// NOISE ////////////////////////////////////////////////////////////////
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ShaderEffect {
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id: staticNoiseEffect
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anchors.fill: parent
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property size virtual_resolution: terminalContainer.virtual_resolution
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blending: false
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fragmentShader:
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"uniform lowp float qt_Opacity;
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varying highp vec2 qt_TexCoord0;
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uniform highp vec2 virtual_resolution;" +
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"highp float noise(vec2 co)
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{
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highp float a = 12.9898;
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highp float b = 78.233;
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highp float c = 43758.5453;
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highp float dt= dot(co.xy ,vec2(a,b));
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highp float sn= mod(dt,3.14);
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return fract(sin(sn) * c);
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}
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vec2 sw(vec2 p) {return vec2( floor(p.x) , floor(p.y) );}
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vec2 se(vec2 p) {return vec2( ceil(p.x) , floor(p.y) );}
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vec2 nw(vec2 p) {return vec2( floor(p.x) , ceil(p.y) );}
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vec2 ne(vec2 p) {return vec2( ceil(p.x) , ceil(p.y) );}
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float smoothNoise(vec2 p) {
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vec2 inter = smoothstep(0., 1., fract(p));
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float s = mix(noise(sw(p)), noise(se(p)), inter.x);
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float n = mix(noise(nw(p)), noise(ne(p)), inter.x);
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return mix(s, n, inter.y);
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}" +
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"void main() {" +
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"gl_FragColor.a = smoothNoise(qt_TexCoord0 * virtual_resolution);" +
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"}"
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onStatusChanged: if (log) console.log(log) //Print warning messages
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}
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ShaderEffectSource{
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id: staticNoiseSource
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sourceItem: staticNoiseEffect
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textureSize: Qt.size(parent.width, parent.height)
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wrapMode: ShaderEffectSource.Repeat
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smooth: true
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hideSource: true
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//format: ShaderEffectSource.Alpha
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}
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// RASTERIZATION //////////////////////////////////////////////////////////
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ShaderEffect{
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id: rasterizationContainer
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width: frame.sourceRect.width
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height: frame.sourceRect.height
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property size offset: Qt.size(width - rasterizationEffect.width, height - rasterizationEffect.height)
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property size txtRes: Qt.size(width, height)
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blending: false
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fragmentShader:
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"uniform lowp float qt_Opacity;
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uniform highp vec2 offset;
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uniform highp vec2 txtRes;" +
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"varying highp vec2 qt_TexCoord0;" +
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"void main() {" +
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"float color = 1.0;
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color *= smoothstep(0.0, offset.x / txtRes.x, qt_TexCoord0.x);
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color *= smoothstep(0.0, offset.y / txtRes.y, qt_TexCoord0.y);
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color *= smoothstep(0.0, offset.x / txtRes.x, 1.0 - qt_TexCoord0.x);
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color *= smoothstep(0.0, offset.y / txtRes.y, 1.0 - qt_TexCoord0.y);" +
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"float distance = length(vec2(0.5) - qt_TexCoord0);" +
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"color = mix(color, 0.0, 1.2 * distance * distance);" +
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"gl_FragColor.a = color;" +
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"}"
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ShaderEffect {
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id: rasterizationEffect
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width: terminalContainer.width
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height: terminalContainer.height
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anchors.centerIn: parent
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property size virtual_resolution: terminalContainer.virtual_resolution
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blending: false
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fragmentShader:
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"uniform lowp float qt_Opacity;" +
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"varying highp vec2 qt_TexCoord0;
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uniform highp vec2 virtual_resolution;
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float getScanlineIntensity(vec2 coords) {
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float result = 1.0;" +
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(mScanlines != shadersettings.no_rasterization ?
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"result *= abs(sin(coords.y * virtual_resolution.y * "+Math.PI+"));" : "") +
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(mScanlines == shadersettings.pixel_rasterization ?
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"result *= abs(sin(coords.x * virtual_resolution.x * "+Math.PI+"));" : "") + "
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return result;
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}" +
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"void main() {" +
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"float color = getScanlineIntensity(qt_TexCoord0);" +
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"float distance = length(vec2(0.5) - qt_TexCoord0);" +
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"color = mix(color, 0.0, 1.2 * distance * distance);" +
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"gl_FragColor.a = color;" +
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"}"
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onStatusChanged: if (log) console.log(log) //Print warning messages
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}
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onStatusChanged: if (log) console.log(log) //Print warning messages
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}
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ShaderEffectSource{
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id: rasterizationEffectSource
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sourceItem: rasterizationContainer
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hideSource: true
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smooth: true
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//format: ShaderEffectSource.Alpha
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}
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}
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