81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
#include "elescroll.h"
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#include <QJsonObject>
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#include <QPainter>
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#include <complex>
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EleScroll::EleScroll(QWidget *parent, QString dirPre, QJsonObject map) : QWidget{parent} {
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img.load(dirPre + map["id"].toString());
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QString effStr = map["effect"].toString();
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if(effStr.isNull() || effStr=="no") return;
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double effDurD = map["effectSpeed"].toInt()/2;
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if(effDurD==0) return;
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int idx = effStr.lastIndexOf(' ');
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if(idx > -1) {
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effect = effStr.at(idx+1).toLatin1();
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if(effect=='l') end = -(img.width()-1);
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else if(effect=='r') end = img.width()-1;
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else if(effect=='t') end = -(img.height()-1);
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else if(effect=='b') end = img.height()-1;
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}
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interval = ceil(effDurD/16.666666)*16.666666;
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curAdd = ceil(interval/effDurD);
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}
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EleScroll::EleScroll(QWidget *parent, QString imgPath, char effect, double effDur) : QWidget{parent}, effect(effect) {
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img.load(imgPath);
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if(effect==0) return;
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if(effDur==0) return;
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if(effect=='l') end = -(img.width()-1);
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else if(effect=='r') end = img.width()-1;
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else if(effect=='t') end = -(img.height()-1);
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else if(effect=='b') end = img.height()-1;
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interval = ceil(effDur/16.666666)*16.666666;
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curAdd = ceil(interval/effDur);
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}
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void EleScroll::paintEvent(QPaintEvent *) {
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paint(this);
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}
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void EleScroll::paint(QPaintDevice *that) {
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if(img.isNull()) return;
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if(timerId==0 && effect!=0 && interval!=0) {
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cur = 0;
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timerId = startTimer(interval, Qt::PreciseTimer);
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}
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QPainter painter(that);
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painter.setRenderHints(QPainter::Antialiasing|QPainter::SmoothPixmapTransform);
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if(effect=='l') {
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painter.drawPixmap(cur, 0, img);
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painter.drawPixmap(cur+img.width(), 0, img);
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} else if(effect=='r') {
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painter.drawPixmap(cur, 0, img);
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painter.drawPixmap(cur-img.width(), 0, img);
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} else if(effect=='t') {
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painter.drawPixmap(0, cur, img);
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painter.drawPixmap(0, cur+img.height(), img);
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} else if(effect=='b') {
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painter.drawPixmap(0, cur, img);
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painter.drawPixmap(0, cur-img.height(), img);
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} else painter.drawPixmap(0, 0, img);
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}
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void EleScroll::timerEvent(QTimerEvent *) {
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if(isVisible()) {
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if(effect=='t' || effect=='l') {
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if(cur <= end) cur = 0;
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else cur-=curAdd;
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} else if(effect=='b' || effect=='r') {
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if(cur >= end) cur = 0;
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else cur+=curAdd;
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}
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update();
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foreach(auto split, splits) split->update();
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} else if(timerId!=0) {
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killTimer(timerId);
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timerId = 0;
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}
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}
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void EleSplitScroll::paintEvent(QPaintEvent *) {
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scroll->paint(this);
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}
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