124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
#include "PicCounterItem.h"
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#include <QDebug>
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#include <QFont>
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#include <QFontMetrics>
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#include <QString>
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#include <QHash>
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QHash<QString, int> defCharWidthMap;
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int charWidth(QFont font, int height) {
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font.setLetterSpacing(QFont::AbsoluteSpacing, 0);
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font.setPixelSize(height);
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QFontMetrics fm(font);
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return fm.horizontalAdvance("0123456789") / 10;
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}
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PicCounterItem::PicCounterItem(QGraphicsItem *parent, QGraphicsScene *scene, const SourceType type)
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:PicTextItem(parent, scene, type)
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{
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}
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QVariant PicCounterItem::source()
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{
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return PicTextItem::source();
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}
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void PicCounterItem::setSource(QVariant var)
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{
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PicTextItem::setSource(var);
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setCounter(counterType(), digitalNum());
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}
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void PicCounterItem::setCounter(COUNTER_TYPE type, int digitalNum)
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{
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// 直接修改字体，生成新的HTML占位图
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auto font = this->font();
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QString fontname = font.family();
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int pixelSize = 9;
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QString numStr = "";
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for(int i = fontname.length() - 1; i >= 0; --i) {
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if(fontname[i].isDigit()) {
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numStr.prepend(fontname[i]);
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} else {
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break;
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}
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}
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if(!numStr.isEmpty()) {
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pixelSize = numStr.toInt();
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}
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font.setFamily(fontname);
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font.setPixelSize(pixelSize);
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font.setWeight(false && (pixelSize<=16) ? QFont::Bold : QFont::Normal);
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font.setLetterSpacing(QFont::AbsoluteSpacing, 0);
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QFontMetrics fontMetrics(font);
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int width = (fontMetrics.horizontalAdvance("0123456789")) / 10;
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int height = font.pixelSize();
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width += letterSpace();
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m_counterType = type;
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m_digitalNum = digitalNum;
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m_digitalImg = strToImage(QString("8").repeated(digitalNum));
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applyModify();
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qInfo() << "Counter item set to " << type ;
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qInfo() << ">\tdigitalNum: " << digitalNum << ", font name: " << fontname << ", pixel size: " << pixelSize;
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qInfo() << ">\tletterSpace: " << letterSpace() << "charRom width: " << digitalNum * width << " width: " << width;
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}
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int PicCounterItem::charWidth()
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{
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if(!m_charWidthMap.contains(font().family()))
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return 0;
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return m_charWidthMap[font().family()];
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}
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void PicCounterItem::setCharWidth(int width)
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{
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m_charWidthMap[font().family()] = width;
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setCounter(counterType(), digitalNum());
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}
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QImage PicCounterItem::itemImage()
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{
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return m_digitalImg;
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}
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void PicCounterItem::setCustomAttrs(const QXmlStreamAttributes &attrs)
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{
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auto typeRef = attrs.value("counter_type");
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auto digitalNumRef = attrs.value("digital_num");
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bool ok = false;
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int counterType = typeRef.toInt(&ok);
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if(!ok || (counterType != COUNTER_TYPE_1 && COUNTER_TYPE_2 != counterType)) {
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qWarning() << "Invalied counter type: " << counterType;
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return;
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}
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ok = false;
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int digitalNum = digitalNumRef.toInt(&ok);
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if(!ok || digitalNum <= 0) {
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qWarning() << "Invalied counter digital number: " << digitalNum;
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return;
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}
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setCounter(static_cast<COUNTER_TYPE>(counterType), digitalNum);
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qInfo() << "Loaded attrs from xml: " << " counter type: " << counterType << ", digitalNum: " << digitalNum;
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}
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void PicCounterItem::saveCustomAttrs(QXmlStreamAttributes &attrs)
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{
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attrs.append("counter_type", QString::number(counterType()));
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attrs.append("digital_num", QString::number(digitalNum()));
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qInfo() << "Set attrs to xml: " << " counter type: " << counterType() << ", digitalNum: " << digitalNum();
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}
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void PicCounterItem::letterSpaceChanged()
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{
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setSource(source());
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}
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