void MainWidget::paintEvent(QPaintEvent *event) {
int xt = event->region().boundingRect().topLeft().x()/xsize;
int yt = event->region().boundingRect().topLeft().y()/ysize;
int xb = event->region().boundingRect().bottomRight().x()/xsize;
int yb = event->region().boundingRect().bottomRight().y()/ysize;
QPainter painter(this);
if (showGrid) {
painter.setPen(palette().dark().color());
for (int i = xt; i <= xb; ++i)
painter.drawLine(xsize * i, 0, xsize * i, ysize * yasc);
for (int j = yt; j <= yb; ++j)
painter.drawLine(0, ysize * j, xsize * xasc, ysize * j);
}
for (int i = xt; i <= xb; ++i) {
for (int j = yt; j <= yb; ++j) {
QRect rect = pixelRect(i, j);
if (!event->region().intersect(rect).isEmpty()) {
painter.fillRect(rect, QColor::fromRgb(background.pixel(i, j)));
painter.setPen(QColor::fromRgb(foreground.pixel(i,j)));
QChar c = text.at(j).at(i);
if (c.isNull())
c = ' ';
painter.drawText(rect.translated(1,0), Qt::AlignCenter, c);
}
}
}
QRect lastRect = pixelRect(lastx, lasty).adjusted(0,0,-1,-1);
if (!event->region().intersect(lastRect).isEmpty() && hasFocus()) {
painter.setPen(selColor);
painter.drawRect(lastRect);
}
current_brush->second->onWidgetPaint(event, painter);
}
void IconEditor::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
if (zoom >= 3) {
painter.setPen(palette().foreground().color());
for (int i = 0; i <= image.width(); ++i)
painter.drawLine(zoom * i, 0,
zoom * i, zoom * image.height());
for (int j = 0; j <= image.height(); ++j)
painter.drawLine(0, zoom * j,
zoom * image.width(), zoom * j);
}
for (int i = 0; i < image.width(); ++i) {
for (int j = 0; j < image.height(); ++j) {
QRect rect = pixelRect(i, j);
if (!event->region().intersected(rect).isEmpty()) {
QColor color = QColor::fromRgba(image.pixel(i, j));
if (color.alpha() < 255)
painter.fillRect(rect, Qt::white);
painter.fillRect(rect, color);
}
}
}
}
void MainWidget::setFGImagePixel(const QPoint &pos) {
int i = pos.x() / xsize;
int j = pos.y() / ysize;
if (foreground.rect().contains(i, j)) {
foreground.setPixel(i, j, fgColor.rgb());
update(pixelRect(i, j));
}
}
void IconEditor::setImagePixel(const QPoint &pos, bool opaque)
{
int i = pos.x() / zoom;
int j = pos.y() / zoom;
if (image.rect().contains(i, j)) {
if (opaque) {
image.setPixel(i, j, penColor().rgba());
} else {
image.setPixel(i, j, qRgba(0, 0, 0, 0));
}
update(pixelRect(i, j));
}
}
void MainWidget::mouseReleaseEvent(QMouseEvent *event) {
int i = event->pos().x() / xsize;
int j = event->pos().y() / ysize;
if (j >= yasc || j < 0 || i >= xasc || i < 0) {
if (current_brush->second->onMouseRelease(event, i, j, false))
emit somethingChanged(true);
return;
}
lastx = i;
lasty = j;
update(pixelRect(i,j));
if (current_brush->second->onMouseRelease(event, i, j, true))
emit somethingChanged(true);
}
void MainWidget::mouseMoveEvent(QMouseEvent *event) {
int i = event->pos().x() / xsize;
int j = event->pos().y() / ysize;
if (j >= yasc || j < 0 || i >= xasc || i < 0) {
if (current_brush->second->onMouseMove(event, i, j, false))
emit somethingChanged(true);
return;
}
int oldx = lastx;
int oldy = lasty;
lastx = i;
lasty = j;
update(pixelRect(oldx,oldy));
if (event->buttons() & Qt::LeftButton || event->buttons() & Qt::RightButton) {
if (current_brush->second->onMouseMove(event, i, j, true))
emit somethingChanged(true);
} else {
QWidget::mouseMoveEvent(event);
}
}
QRect MainWidget::pixelRect(QPoint p) const {
return pixelRect(p.x(), p.y());
}
void MainWidget::setFGImagePixel(int x, int y) {
if (foreground.rect().contains(x, y)) {
foreground.setPixel(x, y, fgColor.rgb());
update(pixelRect(x, y));
}
}
void MainWidget::setBGImagePixel(int x, int y) {
if (background.rect().contains(x, y)) {
background.setPixel(x, y, bgColor.rgb());
update(pixelRect(x, y));
}
}
void MainWidget::keyPressEvent(QKeyEvent *event) {
QChar c = event->text()[0];
if (c.isPrint()) {
undo->push(new Text_Command(this, lastx, lasty, c));
if (++lastx >= xasc) {
lastx = 0;
if (++lasty >= yasc) {
lasty = 0;
}
}
update(pixelRect(lastx, lasty));
emit somethingChanged(true);
} else if (event->key() == Qt::Key_Delete) {
undo->push(new Text_Command(this, lastx, lasty, QChar()));
emit somethingChanged(true);
} else if (event->key() == Qt::Key_Backspace) {
int oldx = lastx;
int oldy = lasty;
if (--lastx < 0) {
lastx = xasc-1;
if (--lasty < 0) {
lasty = yasc-1;
}
}
undo->push(new Text_Command(this, lastx, lasty, QChar()));
update(pixelRect(oldx, oldy));
emit somethingChanged(true);
} else if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
int oldx = lastx;
int oldy = lasty;
lastx = 0;
if (++lasty >= yasc) {
lasty = 0;
}
update(pixelRect(oldx, oldy).united(pixelRect(lastx, lasty)));
} else if (event->key() == Qt::Key_Up) {
int oldy = lasty;
if (--lasty < 0) {
lasty = oldy;
}
update(pixelRect(lastx, oldy).united(pixelRect(lastx, lasty)));
} else if (event->key() == Qt::Key_Down) {
int oldy = lasty;
if (++lasty >= yasc) {
lasty = oldy;
}
update(pixelRect(lastx, oldy).united(pixelRect(lastx, lasty)));
} else if (event->key() == Qt::Key_Left) {
int oldx = lastx;
if (--lastx < 0) {
lastx = oldx;
}
update(pixelRect(oldx, lasty).united(pixelRect(lastx, lasty)));
} else if (event->key() == Qt::Key_Right) {
int oldx = lastx;
if (++lastx >= xasc) {
lastx = oldx;
}
update(pixelRect(oldx, lasty).united(pixelRect(lastx, lasty)));
} else {
QWidget::keyPressEvent(event);
}
}
/*绘制*/
void CheckersPicture::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setViewport(p.x(),p.y(),side,side);
painter.setWindow(0, 0, zoom*(n), zoom*(n));
QColor dark(0xcc,0xcc,0xcc,200);
QColor endColor(0x78,0xff,0x21,200); /*终点颜色*/
QColor startColor(0xea,0x76,0x0f,200); /*起点颜色*/
QColor capturedColor(0xed,0x50,0x62,200); /*捕获颜色*/
QColor normalColor(0xd6,0xb8,0x2c,200); /*正常色*/
QColor black(0x00, 0x00, 0x00, 200);
QColor white(0xff, 0xff, 0xff, 220);
QColor light(0xed,0xfc,0xdf,200);
QColor deep(0x5a,0x61,0x54,200);
/*绘制棋盘*/
for(int i=0; i<n; i++) {
for(int j=0; j<n; j++) {
QRect rect = pixelRect(i, j);
if( !((i+j%2)%2) ) {
painter.fillRect(rect, deep);
} else {
painter.fillRect(rect, light);
}
}
}
int ix,jx;
if(v.size()) {
int type;
for(unsigned i=0; i< v.size(); i++) {
color==WHITE ? jx = n-1-v.at(i).y : jx = v.at(i).y;
color==WHITE ? ix = n-1-v.at(i).x : ix = v.at(i).x;
QRect rect = pixelRect(ix, jx);
type = v.at(i).type;
if(type == MOVEDFROM)
painter.fillRect(rect, startColor);
else if(type == MOVEDTO || type == TOKING)
painter.fillRect(rect, endColor);
else if(type == MOVEDTHROUGH)
painter.fillRect(rect, normalColor);
else if(type == DELETED)
painter.fillRect(rect, capturedColor);
}
}
int s = zoom*0.4;
int sd = zoom*0.3;
/*画白棋*/
if(curstate){ /*如果棋局状态发生了改变*/
painter.setPen(QPen(black,zoom*0.025));
painter.setBrush(QBrush(white));
for(int i=0; i<n; i++) {
for(int j=0; j<n; j++) {
/*如果是白色则从最后一行开始画*/
color==WHITE ? jx = j+1 : jx = n-j;
color==WHITE? ix = n-i : ix = i+1;
if(curstate->at(i,j)==WHITE)
painter.drawEllipse(QPoint(zoom*(ix-0.5),zoom*(jx-0.5)),s,s);
if(curstate->at(i,j)==WHITEKING) {
painter.drawEllipse(QPoint(zoom*(ix-0.5),zoom*(jx-0.5)),s,s);
painter.drawEllipse(QPoint(zoom*(ix-0.5),zoom*(jx-0.5)),sd,sd);
}
}
}
/*画黑棋*/
painter.setBrush(QBrush(black));
for(int i=0; i<n; i++) {
for(int j=0; j<n; j++) {
color==WHITE ? jx = j+1 : jx = n-j;
color==WHITE ? ix = n-i : ix = i+1;
if(curstate->at(i,j)==BLACK)
painter.drawEllipse(QPoint(zoom*(ix-0.5),zoom*(jx-0.5)),s,s);
if(curstate->at(i,j)==BLACKKING) {
painter.drawEllipse(QPoint(zoom*(ix-0.5),zoom*(jx-0.5)),s,s);
painter.setPen(QPen(white,zoom*0.1));
painter.drawEllipse(QPoint(zoom*(ix-0.5),zoom*(jx-0.5)),sd,sd);
painter.setPen(QPen(black,zoom*0.1));
}
}
}
}
if (thinking && showHourglass)
{
painter.setWindow(painter.viewport());
painter.drawImage((width() - hourglass.width()) / 2, (height() - hourglass.height()) / 2, hourglass);
}
}
