mirror of https://github.com/bsnes-emu/bsnes.git
74 lines
2.3 KiB
C++
Executable File
74 lines
2.3 KiB
C++
Executable File
void pCanvas::setSize(const Size &size) {
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delete qtImage;
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qtImage = new QImage(size.width, size.height, QImage::Format_ARGB32);
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}
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void pCanvas::update() {
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uint32_t *dp = (uint32_t*)qtImage->bits(), *sp = (uint32_t*)canvas.state.data;
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for(unsigned n = 0; n < canvas.state.width * canvas.state.height; n++) *dp++ = 0xff000000 | *sp++;
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qtCanvas->update();
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}
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void pCanvas::constructor() {
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qtWidget = qtCanvas = new QtCanvas(*this);
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qtCanvas->setMouseTracking(true);
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qtImage = new QImage(canvas.state.width, canvas.state.height, QImage::Format_ARGB32);
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memcpy(qtImage->bits(), canvas.state.data, canvas.state.width * canvas.state.height * sizeof(uint32_t));
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pWidget::synchronizeState();
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update();
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}
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void pCanvas::destructor() {
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delete qtCanvas;
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delete qtImage;
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qtWidget = qtCanvas = 0;
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qtImage = 0;
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}
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void pCanvas::orphan() {
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destructor();
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constructor();
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}
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void pCanvas::QtCanvas::leaveEvent(QEvent *event) {
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if(self.canvas.onMouseLeave) self.canvas.onMouseLeave();
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}
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void pCanvas::QtCanvas::mouseMoveEvent(QMouseEvent *event) {
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if(self.canvas.onMouseMove) self.canvas.onMouseMove({ event->pos().x(), event->pos().y() });
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}
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void pCanvas::QtCanvas::mousePressEvent(QMouseEvent *event) {
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if(self.canvas.onMousePress == false) return;
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switch(event->button()) {
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case Qt::LeftButton: self.canvas.onMousePress(Mouse::Button::Left); break;
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case Qt::MidButton: self.canvas.onMousePress(Mouse::Button::Middle); break;
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case Qt::RightButton: self.canvas.onMousePress(Mouse::Button::Right); break;
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}
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}
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void pCanvas::QtCanvas::mouseReleaseEvent(QMouseEvent *event) {
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if(self.canvas.onMouseRelease == false) return;
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switch(event->button()) {
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case Qt::LeftButton: self.canvas.onMouseRelease(Mouse::Button::Left); break;
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case Qt::MidButton: self.canvas.onMouseRelease(Mouse::Button::Middle); break;
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case Qt::RightButton: self.canvas.onMouseRelease(Mouse::Button::Right); break;
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}
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}
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void pCanvas::QtCanvas::paintEvent(QPaintEvent *event) {
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QPainter painter(self.qtCanvas);
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painter.drawImage(0, 0, *self.qtImage);
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//this will scale the source image to fit the target widget size (nearest-neighbor):
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//painter.drawImage(
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// QRect(0, 0, geometry().width(), geometry().height()),
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// *self.qtImage,
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// QRect(0, 0, self.canvas.state.width, self.canvas.state.height)
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//);
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}
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pCanvas::QtCanvas::QtCanvas(pCanvas &self) : self(self) {
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}
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