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byons
2026-08-25 10:37:57 +08:00
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zkWidget.cpp
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/*
* zkWidget.cpp
*
* Created on: Jul 2, 2013
* Author: yiyu
* QQ:1036184468
* Descriptoin:
*/
#include "zkWidget.h"
#include <QColor>
#include <QMessageBox>
#include <QDebug>
#include <QFileInfo>
#include "SysPara.h"
zkWidget::zkWidget(QWidget *parent):QWidget(parent){
memset(pointMap,0,sizeof(pointMap));
heightPoint = 0;
widthPoint = 0;
scale = 16;
currXpos = 0;
currYpos = 0;
modified = false;
}
zkWidget::~zkWidget(){
}
void zkWidget::paintEvent(QPaintEvent *event){
QPainter painter(this);
QRect rect = event->rect();
int x = (int)(rect.x()/scale);
int y = (int)(rect.y()/scale);
int x_ = rect.x() + rect.width();
int y_ = rect.y() + rect.height();
int last_x = x_/scale;
int last_y = y_/scale;
//qDebug() << "x:" << rect.x() << "y:" << rect.y() << "width:" << rect.width() << "heigh:" << rect.height();
for(int i = x; i < widthPoint && i <= last_x; i++){
for(int j = y; j < heightPoint && j <= last_y; j++){
QPen pen;
int width = 0;
if(currXpos == i && currYpos == j){
width = (scale>4)?2:1;
pen.setColor(QColor(Qt::red));
}
else {
width = (scale > 3)?1:0;
pen.setColor(QColor(Qt::gray));
}
pen.setWidth(width);
painter.setPen(width?pen:Qt::NoPen);
if(pointMap[i*MAX_PIC_WIDGET_HEIGHT + j]){
painter.setBrush(QColor(Qt::black));
}
else{
painter.setBrush(QColor(Qt::white));
}
painter.drawRect(i*scale + width,j*scale + width,scale - 2*width,scale - 2*width); //
}
}
}
void zkWidget::mousePressEvent ( QMouseEvent * event ){
int x = (int )(event->x()/(scale));
int y = (int )(event->y()/scale);
if(x < widthPoint && y < heightPoint){
int oriX = currXpos;
int oriY = currYpos;
currXpos = x;
currYpos = y;
pointMap[x*MAX_PIC_WIDGET_HEIGHT + y] = pointMap[x*MAX_PIC_WIDGET_HEIGHT + y]?0:1;
update(oriX*scale,oriY*scale,scale,scale); //将原来的焦点去掉
update(x*scale,y*scale,scale,scale);
modified = true;
emit picWidgetModify(widthPoint,heightPoint);
}
}
void zkWidget::currPositionMove(int shiftX,int shiftY,bool moveAllPic,bool trimPic,bool expandPic)
{
if((widthPoint && heightPoint) || expandPic){
if(moveAllPic){
shiftX = - shiftX;
shiftY = -shiftY;
int init_x = (shiftX < 0)?(widthPoint - 1):0;
int end_x = (shiftX >= 0)?(widthPoint):-1;
int step_x = (shiftX < 0)?-1:1;
int init_y = (shiftY < 0)?(heightPoint - 1):0;
int end_y = (shiftY >= 0)?(heightPoint):- 1;
int step_y = (shiftY < 0)?-1:1;;
for(int x = init_x; x != end_x; x+= step_x){
for(int y = init_y; y != end_y; y+= step_y){
int new_x = x + shiftX;
int new_y = y + shiftY;
if(new_x < 0 || new_x >= widthPoint || new_y < 0 || new_y >= heightPoint){
//pointMap[x*MAX_PIC_WIDGET_HEIGHT + y] = trueColorEnable?backGround.rgba():0xffffffff;
pointMap[x*MAX_PIC_WIDGET_HEIGHT + y] = 0x00000000;
}
else
pointMap[x*MAX_PIC_WIDGET_HEIGHT + y] = pointMap[new_x*MAX_PIC_WIDGET_HEIGHT + new_y];
}
}
update();
}
else if(trimPic){
int diffX = (widthPoint > qAbs(shiftX))?qAbs(shiftX):widthPoint;
int diffY = (heightPoint > qAbs(shiftY))?qAbs(shiftY):heightPoint;
if(shiftX > 0){
currPositionMove(- diffX,0,true,false,false);
}
if(shiftY > 0){
currPositionMove(0,-diffY,true,false,false);
}
heightPoint -= diffY;
widthPoint -= diffX;
resize(widthPoint*scale,heightPoint*scale);
update();
}
else if(expandPic){
int diffX = ((MAX_PIC_WIDGET_WIDTH - widthPoint) > qAbs(shiftX))?qAbs(shiftX):(MAX_PIC_WIDGET_WIDTH - widthPoint);
int diffY = ((MAX_PIC_WIDGET_HEIGHT - heightPoint) > qAbs(shiftY))?qAbs(shiftY):(MAX_PIC_WIDGET_HEIGHT - heightPoint);
for(int y = 0; y < heightPoint + diffY;y ++){
for(int x = 0; x < widthPoint + diffX; x++){
if(y < heightPoint && x < widthPoint){
}
else {
//pointMap[x*MAX_PIC_WIDGET_HEIGHT + y] = trueColorEnable?backGround.rgba():0xffffffff;
pointMap[x*MAX_PIC_WIDGET_HEIGHT + y] = 0x0000000;
}
}
}
heightPoint += diffY;
widthPoint += diffX;
resize(widthPoint*scale,heightPoint*scale);
if(shiftX < 0){
currPositionMove(diffX,0,true,false,false);
}
if(shiftY < 0){
currPositionMove(0,diffY,true,false,false);
}
//qDebug() << "diffX:" << diffX << "diffY:" << diffY << "heightPoint:" << heightPoint << "widthPoint" << widthPoint;
update();
}
else {
int oriX = currXpos;
int oriY = currYpos;
currXpos += shiftX;
currYpos += shiftY;
currXpos = (currXpos >= 0)?(currXpos%widthPoint):(currXpos + widthPoint);
currYpos = (currYpos >= 0)?(currYpos%heightPoint):(currYpos + heightPoint);
update(oriX*scale,oriY*scale,scale,scale);
update(currXpos*scale,currYpos*scale,scale,scale);
}
emit picWidgetModify(widthPoint,heightPoint);
}
}
void zkWidget::ensureCurrPos(){
if(heightPoint && widthPoint){
int x = currXpos;
int y = currYpos;
for(int i=0;i<widthPoint;i++){
for(int j=0;j<heightPoint;j++){
pointMap[i*MAX_PIC_WIDGET_HEIGHT + j] = pointMap[i*MAX_PIC_WIDGET_HEIGHT + j]?0:1;
}
}
update();
//pointMap[x*MAX_PIC_WIDGET_HEIGHT + y] = pointMap[x*MAX_PIC_WIDGET_HEIGHT + y]?0:1;
//update(x*scale,y*scale,scale,scale);
modified = true;
emit picWidgetModify(widthPoint,heightPoint);
}
}
bool zkWidget::isModified(){
return modified;
}
void zkWidget::setModified(bool m){
modified = m;
}
int zkWidget::getHeight(){
return heightPoint;
}
int zkWidget::getWidth(){
return widthPoint;
}
int zkWidget::getScaleValue(){
return scale;
}
void zkWidget::initWidget(int w,int h){
scale = 30;
if(parentWidget()){
QWidget *widget = parentWidget();
int width = widget->geometry().width();
int height = widget->geometry().height();
int scaleX = w?width/w:width; //不要除零
int scaleY = h?height/h:height;
scaleX = scaleX > 0?scaleX:1; //scale不能小于零
scaleY = scaleY > 0?scaleY:1;
scale = scaleX > scaleY?scaleY:scaleX;
}
currXpos = 0;
currYpos = 0;
memset(pointMap,0,sizeof(pointMap));
resizeWidget(w,h);
modified = false;
}
void zkWidget::resizeWidget(int w,int h){
if(w > MAX_PIC_WIDGET_WIDTH || h > MAX_PIC_WIDGET_HEIGHT){
QMessageBox::warning(0,tr("警告"),tr("最大支持宽度:%1 高度:%2 当前请求:%3 x %4").arg(MAX_PIC_WIDGET_WIDTH).arg(MAX_PIC_WIDGET_HEIGHT).arg(w).arg(h));
widthPoint = (w > MAX_PIC_WIDGET_WIDTH)?MAX_PIC_WIDGET_WIDTH:w;
heightPoint = (h > MAX_PIC_WIDGET_HEIGHT)?MAX_PIC_WIDGET_HEIGHT:h;
}
else{
widthPoint = w;
heightPoint = h;
}
resize(w*scale,h*scale);
update();
}
void zkWidget::enlargeDisplay(){
if(scale < (1<<10)){
scale = scale + ((scale>2)?scale/2:1);
resize(widthPoint*scale,heightPoint*scale);
update();
}
}
void zkWidget::reduceDisplay(){
if(scale > 1){
scale = scale - ((scale > 2)?scale/3:1);
resize(widthPoint*scale,heightPoint*scale);
update();
}
}
void zkWidget::setScale(int scale){
if(scale > 1)
this->scale = scale;
else
scale = 1;
resize(widthPoint*scale,heightPoint*scale);
update();
}
void zkWidget::loadImage(QString filename,bool forceSize,QString charStr,QFont *font){
if((widthPoint == 0 || heightPoint == 0) && forceSize){
QMessageBox::warning(0,"警告","请新创建建图片");
}
else {
bool forceForegroundBackgroundColorFill = false;
QImage img;
QFile file(filename);
if(!filename.isEmpty() && file.exists())
img.load(filename);
else if(charStr.size()){
if(font){
QFontMetrics fontMetrics(*font);
//int rightBearing = fontMetrics.rightBearing(QChar(unicode));
//int leftBearing = fontMetrics.leftBearing(QChar(unicode));
int width = forceSize?widthPoint:(fontMetrics.width(charStr)) ;
int height = forceSize?heightPoint:(fontMetrics.ascent() + fontMetrics.descent());
if(width == 0){
QMessageBox::warning(0,"警告",QString("字串:%1 在字体%2中不存在").arg(charStr).arg(font->family()));
return ;
}
QSize size(width,height);
QImage image(size,QImage::Format_ARGB32);
img = image;
img.fill(0xffffffff);
QPainter painter(&img);
painter.setFont(*font);
painter.drawText(QPoint(0,fontMetrics.ascent()),charStr);
forceForegroundBackgroundColorFill = true;
}
}
if(img.isNull()){
QMessageBox::warning(0,"Warning",QString("File:%1 open failed").arg(filename));
}
else {
int w = img.rect().width();
int h = img.rect().height();
memset(pointMap,0,sizeof(pointMap));
if(!forceSize){
widthPoint = (w > MAX_PIC_WIDGET_WIDTH)?MAX_PIC_WIDGET_WIDTH:w;
heightPoint = (h > MAX_PIC_WIDGET_HEIGHT)?MAX_PIC_WIDGET_HEIGHT:h;
resize(widthPoint*scale,heightPoint*scale);
}
QRgb argb = 0;
for(int i = 0; i < widthPoint;i++){
for(int j = 0; j < heightPoint ; j++){
bool pixelVisible = false;
int init_x = i*w/widthPoint;
int end_x = (w >= widthPoint)?(i + 1)*w/widthPoint:init_x + 1;
int init_y = j*h/heightPoint;
int end_y = (h >= heightPoint)?(j + 1)*h/heightPoint:init_y + 1;
for(int l = init_x; l < end_x; l++){
for(int m = init_y; m < end_y; m ++){
argb = img.pixel(l,m);
//qDebug() << "i:" << i << "j" << j << " " << QString::number(argb,16);
if(argb == 0xffffffff) //节约时钟周期
continue;
if((argb & 0xff000000) && (((argb&0xff0000) < 0x800000)
|| ((argb&0xff00) < 0x8000) || ((argb&0xff) < 0x80))){
pixelVisible = true;
break;
}
}
if(pixelVisible)
break;
}
if(pixelVisible)
pointMap[i*MAX_PIC_WIDGET_HEIGHT + j] = 1;
}
}
update();
setModified(false);
}
}
}
void zkWidget::saveImage(QString filename){
if(widthPoint == 0 || heightPoint == 0){
QMessageBox::warning(0,tr("警告"),tr("请新创建建图片"));
}
else {
QSize size(widthPoint,heightPoint);
QImage image(size,QImage::Format_ARGB32);
image.fill(qRgba(0,0,0,0xff));
for(int i = 0 ; i < widthPoint; i++){
for(int j = 0; j < heightPoint; j++){
image.setPixel(i,j,pointMap[i*MAX_PIC_WIDGET_HEIGHT + j]?0xff000000:0xffffffff);
}
}
filename = DOC_ROOT_DIR+ QFileInfo(filename).baseName()+".jpg";
image.save( filename );
}
setModified(false);
}