aaron/discoverpixy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improved Comments in whole emulator. Finalized emulator section in docu.

Browse Source
This commit is contained in:
t-moe
2015-06-07 15:29:46 +02:00
parent 3e4fbab00a
commit 4b5768cedc
8 changed files with 131 additions and 146 deletions
Download Patch File Download Diff File Expand all files Collapse all files

95
emulator/qt/mainwindow.cpp
View File

@@ -13,16 +13,18 @@ extern "C" {
#define DISPLAY_WIDTH 320
#define DISPLAY_HEIGHT 240
//function to calculate QColor out of a RGB565 16bit color
QColor QColorFromRGB565(uint16_t color) {
//interpolate colors
int R8 = (int) floor( (color>>(5+6)) * 255.0 / 31.0 + 0.5);
int G8 = (int) floor( ((color>>5)&0x3F) * 255.0 / 63.0 + 0.5);
int B8 = (int) floor( (color&0x1F) * 255.0 / 31.0 + 0.5);
return QColor::fromRgb(R8,G8,B8);
}
//function to calculate QRgb out of a RGB565 16bit color
QRgb QRgbFromRGB565(uint16_t color) {
//interpolate colors
int R8 = (int) floor( (color>>(5+6)) * 255.0 / 31.0 + 0.5);
int G8 = (int) floor( ((color>>5)&0x3F) * 255.0 / 63.0 + 0.5);
int B8 = (int) floor( (color&0x1F) * 255.0 / 31.0 + 0.5);
@@ -32,156 +34,137 @@ QRgb QRgbFromRGB565(uint16_t color) {
MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), image(DISPLAY_WIDTH,DISPLAY_HEIGHT, QImage::Format_RGB16), ui(new Ui::MainWindow){
ui->setupUi(this);
image.fill(Qt::black);
currentScale = 1;
ui->widgetDisplay->setMouseTracking(true);
ui->widgetDisplay->installEventFilter(this);
image.fill(Qt::black); //clear display buffer
currentScale = 1; //start with scale factor 1
ui->widgetDisplay->setMouseTracking(true); //enable mouse move events, even when mouse is not pressed
ui->widgetDisplay->installEventFilter(this); //install event filter for "display" widget, so that we receive those events as well
}
void MainWindow::draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
{
//render_mutex.lock();
QPainter painter(&(image));
painter.setPen(QColorFromRGB565(color));
painter.drawLine(x1,y1,x2,y2);
//render_mutex.unlock();
update();
}
void MainWindow::draw_pixel(uint16_t x, uint16_t y, uint16_t color)
{
//render_mutex.lock();
image.setPixel(x,y,QRgbFromRGB565(color));
//render_mutex.unlock();
update();
}
void MainWindow::clear(uint16_t color)
{
//render_mutex.lock();
image.fill(QColorFromRGB565(color));
//render_mutex.unlock();
update();
}
void MainWindow::draw_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
{
//render_mutex.lock();
QPainter painter(&(image));
painter.setPen(QColorFromRGB565(color));
painter.drawRect(qMin(x1,x2),qMin(y1,y2),abs((int)x2-(int)x1)+1,abs((int)y2-(int)y1)+1);
//render_mutex.unlock();
update();
}
void MainWindow::fill_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
{
//render_mutex.lock();
QPainter painter(&(image));
painter.fillRect(qMin(x1,x2),qMin(y1,y2),abs((int)x2-(int)x1)+1,abs((int)y2-(int)y1)+1,QColorFromRGB565(color));
//render_mutex.unlock();
update();
}
void MainWindow::draw_bitmap_unscaled(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint16_t *dat)
{
//Creating a new image and access it directly is faster than setPixel
QImage img(width,height,QImage::Format_RGB32);
QImage img(width,height,QImage::Format_RGB32); //create a new image
for(int yi=0; yi<height; yi++) {
uint32_t* line = (uint32_t*)img.scanLine(yi);
for(int xi=0; xi<width; xi++) {
*line++=QRgbFromRGB565(dat[yi*width+xi]);
for(int yi=0; yi<height; yi++) { //for each line
uint32_t* line = (uint32_t*)img.scanLine(yi); //get the pointer to the imagedata of the current line
for(int xi=0; xi<width; xi++) { //for each column
*line++=QRgbFromRGB565(dat[yi*width+xi]); //set pixel
}
}
//render_mutex.lock();
QPainter p(&image);
p.drawImage(x,y,img);
//render_mutex.unlock();
p.drawImage(x,y,img); //draw created image
update();
}
void MainWindow::draw_circle(uint16_t x, uint16_t y, uint16_t r, uint16_t color)
{
//render_mutex.lock();
QPainter painter(&(image));
painter.setPen(QColorFromRGB565(color));
painter.drawEllipse(QPoint(x,y), r, r);
//render_mutex.unlock();
update();
}
void MainWindow::draw_char(uint16_t x, uint16_t y, uint16_t color, uint16_t bgcolor, QFont font, char c)
{
//render_mutex.lock();
QPainter painter(&(image));
painter.setFont(font);
if(bgcolor!=TRANSPARENT) {
if(bgcolor!=TRANSPARENT) { //background color is not transparent
painter.setBackgroundMode(Qt::OpaqueMode);
painter.setBackground(QColorFromRGB565(bgcolor));
painter.setBackground(QColorFromRGB565(bgcolor)); //set text background
}
painter.setPen(QColorFromRGB565(color));
painter.setPen(QColorFromRGB565(color)); //set fontcolor
y+=QFontMetrics(font).ascent(); //use y pos as highest point of char, instead of baseline
painter.drawText(QPoint(x,y), QString(QChar(c)));
//render_mutex.unlock();
painter.drawText(QPoint(x,y), QString(QChar(c))); //draw char
update();
}
void MainWindow::paintEvent(QPaintEvent *)
{
//render_mutex.lock();
//this method is called whenever the window needs to be redrawn (or after update() is called)
QPainter painter(this);
//Create a QRectF which represents the rectangle to draw the buffered image to
QRectF imgRect (ui->widgetDisplay->geometry().topLeft(),QSizeF(DISPLAY_WIDTH*currentScale,DISPLAY_HEIGHT*currentScale));
painter.drawImage(imgRect,image);
painter.setPen(QPen(Qt::green,2));
painter.drawRect(imgRect.adjusted(-1,-1,1,1));
//render_mutex.unlock();
painter.drawImage(imgRect,image); //draw buffer
painter.setPen(QPen(Qt::green,2)); //set border color
painter.drawRect(imgRect.adjusted(-1,-1,1,1)); //draw border
}
void MainWindow::mousePressEvent(QMouseEvent *evt)
{
//qDebug() << "down" << evt->pos();
//the mouse was pressed
checkAndSendEvent(evt->pos(),true);
}
void MainWindow::mouseReleaseEvent(QMouseEvent *evt)
{
//qDebug() << "up" << evt->pos();
//the mouse was released
checkAndSendEvent(evt->pos(),false);
}
void MainWindow::mouseMoveEvent(QMouseEvent *evt)
{
//qDebug() << "move" << evt->pos();
//the mouse was released
checkAndSendEvent(evt->pos(),true);
}
bool MainWindow::eventFilter(QObject *obj, QEvent *evt)
{
if(obj==ui->widgetDisplay) {
if(obj==ui->widgetDisplay) { //we received a redirect event from the target rectangle
switch(evt->type()) {
case QEvent::MouseMove:
case QEvent::MouseMove: //it's a mouse move event
{
QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(evt);
QPoint p = (mouseEvent->pos()-QPoint(1,1))/currentScale;
if(p.x()<DISPLAY_WIDTH && p.y()<DISPLAY_HEIGHT) {
QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(evt); //get mouse event
QPoint p = (mouseEvent->pos()-QPoint(1,1))/currentScale; //calculate correct corrdinates (undo scale)
if(p.x()<DISPLAY_WIDTH && p.y()<DISPLAY_HEIGHT) { //mouse position not out of bounds
//set mouse position text
ui->txtMousePos->setText(QString("Mouse Position: (%1,%2)").arg(p.x()).arg(p.y()));
}
}
break;
default: break;
}
}
return false;
}
@@ -193,18 +176,16 @@ MainWindow::~MainWindow()
void MainWindow::checkAndSendEvent(QPoint pos, bool down)
{
QPoint p = pos - ui->widgetDisplay->geometry().topLeft();
p/=currentScale;
if(p.x()<0 || p.y()<0 || p.x() >= DISPLAY_WIDTH || p.y() >= DISPLAY_HEIGHT) return;
QPoint p = pos - ui->widgetDisplay->geometry().topLeft(); //make coordinate relative to target area (0,0)
p/=currentScale; //undo scaling
if(p.x()<0 || p.y()<0 || p.x() >= DISPLAY_WIDTH || p.y() >= DISPLAY_HEIGHT) return; //abort if out of bounds
//qDebug() << down << p;
touch_add_raw_event(p.x(),p.y(),down?TOUCH_DOWN:TOUCH_UP);
touch_add_raw_event(p.x(),p.y(),down?TOUCH_DOWN:TOUCH_UP); //submit touch event to touch module (common)
}
void MainWindow::on_cboZoom_currentIndexChanged(int index)
{
currentScale=index+1;
update();
currentScale=index+1; //zoom factor 1 is the 0th entry, zoom factor 2 is the 1st entry, zoom factor 3 is the 2nd entry
update(); //force redraw
}