409 lines
14 KiB
C++
409 lines
14 KiB
C++
/*
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* PrintTextDisplay.cpp
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*
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* Created on: Jul 9, 2013
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* Author: yiyu
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* QQ:1036184468
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* Descriptoin:
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*/
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#include "PrintTextDisplay.h"
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#include <QPainter>
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#include <QPen>
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#include <QBrush>
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#include <QPaintEvent>
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#include <QDebug>
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#include <QColor>
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#include <QRect>
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#include "Public.h"
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#include <QChar>
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#include<string>
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#include<iostream>
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PrintTextDisplay::PrintTextDisplay(QWidget *parent):
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QWidget(parent){
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setPalette(QPalette(Qt::white));
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setAutoFillBackground(true);
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scaleRatio = 2;
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origWidth = 0;
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origHeight = 0;
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setAttribute(Qt::WA_OpaquePaintEvent,true); //背景不自动重画
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updateDigitalOnly = false;
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}
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PrintTextDisplay::~PrintTextDisplay(){
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}
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void PrintTextDisplay::updateSysParaToUI(){
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}
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void PrintTextDisplay::updateSysStatusToUI(){
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updateDigitalOnly = true;
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update(); //表示只更新变量而已,该区域一定要包含实际的打印区域，否则显示不出来
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}
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void PrintTextDisplay::enlargeDisplay(){
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if(scaleRatio < 10){
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scaleRatio ++;
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resize(scaleRatio*origWidth,scaleRatio*origHeight);
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update();
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}
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}
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void PrintTextDisplay::scroll_update()
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{
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update();
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}
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void PrintTextDisplay::reduceDisplay(){
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if(scaleRatio > 1){
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scaleRatio --;
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resize(scaleRatio*origWidth,scaleRatio*origHeight);
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update();
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}
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}
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//#define H02 2
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//#define H04 4
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void PrintTextDisplay::setDisplaySize(int w,int h){
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origHeight = h;
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origWidth = w;
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setFixedSize(scaleRatio*origWidth,scaleRatio*(origHeight));
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qDebug() << "Display widget size: " << size();
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}
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void PrintTextDisplay::setScaleRatio(int ratio)
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{
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if(ratio > 1)
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{
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if(ratio > 10) ratio =10;
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scaleRatio =ratio;
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resize(scaleRatio*origWidth,scaleRatio*origHeight);
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update();
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}
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}
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int PrintTextDisplay::currScaleRatio()
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{
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return this->scaleRatio;
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}
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void PrintTextDisplay::bindSysPara(SysPara *sysPara)
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{
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this->sysPara = sysPara;
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}
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void PrintTextDisplay::paintEvent(QPaintEvent *event){
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QRect updateRect = event->rect();
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updateRect.setY(0);
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static int r_altermode=-1;
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if(sysPara)
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{
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QPainter p(this);
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p.scale(scaleRatio,scaleRatio);
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p.setPen(Qt::NoPen);
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p.fillRect(updateRect, QColor(Qt::white));
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if(sysPara->para.AlterMode!=r_altermode) updateDigitalOnly=false;
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r_altermode=sysPara->para.AlterMode;
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{
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//尽量减少不必要的刷屏动作
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int x = updateRect.x()/scaleRatio;
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int end_x = (( sysPara->status.addSpace?2:1)*(updateRect.x() + updateRect.width())/scaleRatio) + 1;
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int w= end_x - x;
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int y = updateRect.y()/scaleRatio;
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int end_y = (updateRect.y() + updateRect.height())/scaleRatio + 1;
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int h = end_y - y;
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p.setBrush(QColor(Qt::white));
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int y0=0;
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if(sysPara->para.AlterMode<2) y0=0;
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else if(sysPara->para.AlterMode==2) y0=y;
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if(sysPara->status.addSpace)
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p.drawRect(x>>1,y0,w/2,h);
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else
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p.drawRect(x,y0,w,h);
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p.setBrush(QColor(Qt::green));
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if(sysPara->para.AlterMode<2)
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{
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}
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else if(sysPara->para.AlterMode==2)
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{
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y = end_y;
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end_y = end_y+h;
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}
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unsigned char *dat;
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bool MaxCol4000;
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if(sysPara->status.flagOfNo67FPGA)
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MaxCol4000 = true;
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else
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MaxCol4000 = false;
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if(MaxCol4000){
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dat =sysPara->status.printDat_Normal;
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}else{
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dat =sysPara->status.printDat;
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}
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for(int i = 0; i < h && (i +y)< MAX_PRINT_ROW_NUM; i ++){
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for(int j = x; j < end_x && j < (MaxCol4000?MAX_PRINT_COL_NUM_Normal:MAX_PRINT_COL_NUM_Wide); j++){
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if(dat[j*MAX_PRINT_ROW_BYTE_NUM + (i+y)/8] & (1<<((i+y)%8))){
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if(sysPara->status.addSpace){
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p.drawRect(j/2,i+y0,1,1);j++;
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}
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else
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p.drawRect(j,i+y0,1,1);
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}
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}
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}
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}
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// 二维码显示
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if(sysPara->para.qrOption.DisplayUpdate==1 && sysPara->print.QRvars[0].type != BAR) //lich fix
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{
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sysPara->para.qrOption.DisplayUpdate=0;
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int varNum=0;
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for( varNum=0;varNum<sysPara->status.QRvariNum;varNum++){
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int x = sysPara->print.QRvars[varNum].startColPos;
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int w = sysPara->print.QRvars[varNum].width;
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int end_x = x+w;
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int h = sysPara->print.QRvars[varNum].height;
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int end_y=sysPara->print.QRvars[varNum].endRowPos;
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int y = sysPara->print.QRvars[varNum].startRowPos;
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p.setBrush(QColor(Qt::white));
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//p.drawRect(x,y,w,h);
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if(sysPara->status.addSpace)
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p.drawRect(x/2,y,w,h);
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else
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p.drawRect(x,y,w,h);
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p.setBrush(QColor(Qt::black));
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unsigned char *dat;
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bool MaxCol4000;
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if(sysPara->status.flagOfNo67FPGA)
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MaxCol4000 = true;
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else
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MaxCol4000 = false;
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if(MaxCol4000){
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dat =sysPara->status.printDat_Normal;
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}else{
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dat =sysPara->status.printDat;
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}
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for(int i = y; i < end_y && (i +y)< MAX_PRINT_ROW_NUM; i ++){
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for(int j = x; j < end_x && j < (MaxCol4000?MAX_PRINT_COL_NUM_Normal:MAX_PRINT_COL_NUM_Wide); j++){
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if(dat[j*MAX_PRINT_ROW_BYTE_NUM + (i)/8] & (1<<((i)%8))){
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//p.drawRect(j,i,1,1);
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if(sysPara->status.addSpace){
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p.drawRect(j>>1,i,1,1);//j++;
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}
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else
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p.drawRect(j,i,1,1);
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}
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}
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}
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}
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}
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// 变量显示
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static int curVarValue[8]={0,0,0,0,0,0,0,0};
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for(int i = 0; i < sysPara->status.variNum; i++){
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vars_t *p_var = &sysPara->status.vars[i];
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int val = p_var->currVal;
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#ifdef QT_DEBUG
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val = 123078;
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#endif
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int x = p_var->startColPos;
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int y = p_var->startRowPos;
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int rowDiff = p_var->endRowPos - p_var->startRowPos;
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int digitalNum = p_var->digitalNum;
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if(sysPara->para.AlterMode==2){
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if(y<sysPara->status.currAlterPrintRow) continue;
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y = p_var->startRowPos-sysPara->status.currAlterPrintRow-1;
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}
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else if(sysPara->para.AlterMode==1){
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if(y>=sysPara->status.currAlterPrintRow) continue;
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}
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int base = 1; int j=0,jmin=0;
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QString str="";
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int Num=0;
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if(digitalNum<=8 || Public::getType(p_var->type) < 9 || p_var->type == 37 || p_var->type == 38 \
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|| Public::getType(p_var->type) == 13 || Public::getType(p_var->type) == 14 || Public::getType(p_var->type) == 15) // 0－8 变量 显示刷新
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{
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for(int j = 0; j < digitalNum;j ++){
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if(val>base-1)jmin=digitalNum-j-1;
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base *= 10;
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}
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str= QString("%1").arg(val%base,digitalNum,10,QLatin1Char('0'));
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//20240626: 以下3个判断条件为处理计米显示小数点位数，最多可显示3位
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if(!sysPara->para.rrr_nc && sysPara->para.printNumPoint && p_var->type == 7)
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{
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val /= 1000;
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str= QString("%1").arg(val%base,digitalNum,10,QLatin1Char('0'));
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str.insert(str.length()-1,".");
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str.remove(0,1);
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}
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else if(sysPara->para.rrr_nc && !sysPara->para.printNumPoint && p_var->type == 7)
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{
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val /= 100;
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str= QString("%1").arg(val%base,digitalNum,10,QLatin1Char('0'));
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str.insert(str.length()-2,".");
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str.remove(0,1);
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}
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else if(sysPara->para.rrr_nc && sysPara->para.printNumPoint && p_var->type == 7)
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{
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val /= 10;
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str= QString("%1").arg(val%base,digitalNum,10,QLatin1Char('0'));
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str.insert(str.length()-3,".");
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str.remove(0,1);
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}
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else if(sysPara->status.specialVarPrint.MeterEnable && p_var->type == 15)
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{
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str.remove(0,1);
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str += "m";
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}
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}
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else { // 大于 9 是什么变量呢？ 随机数 显示刷新
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base = 1; j=0,jmin=0;
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for(int j = 0; j < 8;j ++){
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if(val>base-1)jmin=8-j-1;
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base *= 10;
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}
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str= QString("%1").arg(val%base,8,10,QLatin1Char('0'));
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val = QString::number( sysPara->status.calandar_and_dat.RandomValue2 ,16).toInt();
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Num = digitalNum-8;
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base = 1;
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jmin=0;
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for(int j = 0; j < Num;j ++){
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if(val>base-1)jmin=Num-j-1;
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base *= 10;
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}
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str= QString("%1").arg(val%base,Num,10,QLatin1Char('0'))+str;
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}
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if(!sysPara->para.Cnt1NatureValue) jmin=0;
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p.setBrush(QColor(Qt::white));
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if(sysPara->status.addSpace)
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p.drawRect(x/2,y,p_var->width/2,p_var->height);
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else p.drawRect(x,y,p_var->width,p_var->height);
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if(p_var->type==7 || p_var->type==37 || p_var->type==57|| p_var->type==67) p.setBrush(QColor(Qt::black));//变量1
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else if(p_var->type==8 || p_var->type==38 || p_var->type==58 || p_var->type==68) p.setBrush(QColor(Qt::blue));//变量2
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else if(p_var->type==13) p.setBrush(QColor(Qt::red));//变量3
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else p.setBrush(QColor(Qt::red)); //其他
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QChar *qchar = str.data();
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// 准备回退宽度与安全保护值
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int datWidth = p_var->datWidth > 0 ? p_var->datWidth : 1;
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int datHeight = p_var->datHeight > 0 ? p_var->datHeight : (p_var->rowByteNum * 8);
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int fallbackWidth = qMax(1, datWidth / qMax(1, (p_var->digitalNum? p_var->digitalNum:10)));
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int rowByteNum = p_var->rowByteNum > 0 ? p_var->rowByteNum : 1;
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// 构建字形前缀和（字形按 0..9 顺序存放）
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int glyphPrefix[11];
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glyphPrefix[0] = 0;
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for(int gi = 1; gi <= 10; ++gi){
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int w = (gi-1 < 10 && p_var->widthTable[gi-1] > 0) ? p_var->widthTable[gi-1] : fallbackWidth;
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glyphPrefix[gi] = glyphPrefix[gi-1] + w;
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}
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// 限制使用的行数为字模高度与请求行数的较小者
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int useRows = qMin(rowDiff, datHeight);
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// 累计可变宽数字的显示位置
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int posInDigits = 0;
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for( j = jmin; j < digitalNum; j++){
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int digitalIndex;
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if(!sysPara->para.rrr_nc && sysPara->para.printNumPoint && p_var->type == 7 && j == (digitalNum-2))
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{
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digitalIndex = 10; // 小数点
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}
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else if(sysPara->para.rrr_nc && !sysPara->para.printNumPoint && p_var->type == 7 && j == (digitalNum-3))
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{
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digitalIndex = 10;
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}
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else if(sysPara->para.rrr_nc && sysPara->para.printNumPoint && p_var->type == 7 && j == (digitalNum-4))
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{
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digitalIndex = 10;
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}
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else if(sysPara->status.specialVarPrint.MeterEnable && p_var->type == 15 && j == (digitalNum-1))
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{
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digitalIndex = 11; // 单位 'm'
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}
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else
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{
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digitalIndex = qchar[j].toLatin1() - '0';
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}
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// 获取此字形的宽度（优先取 widthTable，否则使用回退宽度）
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int glyphW = (digitalIndex >=0 && digitalIndex < 10 && p_var->widthTable[digitalIndex] > 0) ? p_var->widthTable[digitalIndex] : fallbackWidth;
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// 计算字形在 p_var->dat 中的水平偏移（字形按 0..9 顺序存放）
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int glyphOffset = 0;
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if(digitalIndex >= 0 && digitalIndex <= 10){
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glyphOffset = glyphPrefix[qMin(digitalIndex,10)];
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} else {
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glyphOffset = 0;
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}
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// 如果字形数据比预期窄，则裁剪宽度
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if(glyphOffset + glyphW > datWidth){
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if(glyphOffset >= datWidth) {
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// 超出数据宽度，跳过绘制
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posInDigits += glyphW;
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continue;
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}
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glyphW = datWidth - glyphOffset;
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}
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unsigned char *pAaddr = p_var->dat + glyphOffset * rowByteNum;
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int displayBaseX = x + posInDigits; // 当前数字的绘制起始 X
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for(int k = 0; k < useRows; k++){
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for(int l = 0; l < glyphW; l++){
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if(pAaddr[l*rowByteNum + k/8] & (1<<(k%8))){
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if(sysPara->status.addSpace){
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p.drawRect((displayBaseX + l)/2, y + k, 1, 1);
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}
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else
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p.drawRect(displayBaseX + l, y + k, 1, 1);
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}
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}
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}
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// 累加字形宽度
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posInDigits += glyphW;
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// 模拟 FPGA 处理的字符间距（以像素为单位）
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int spacing = p_var->letterSpace;
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if(spacing < 0) spacing = 0;
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// 避免过大的间距导致溢出预览区域
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if(spacing > datWidth) spacing = datWidth;
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posInDigits += spacing;
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}
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}
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updateDigitalOnly = false;
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}
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}
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