104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
#include "mainwindow.h"
|
|
#include "ui_mainwindow.h"
|
|
#include <QDebug>
|
|
#include <QPainter>
|
|
#include <math.h>
|
|
|
|
|
|
#define DISPLAY_WIDTH 320
|
|
#define DISPLAY_HEIGHT 240
|
|
#define DISPLAY_X 100
|
|
#define DISPLAY_Y 100
|
|
|
|
QColor colorFromRGB565(uint16_t color) {
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
MainWindow::MainWindow(QWidget *parent) :
|
|
QMainWindow(parent),
|
|
pixmap(DISPLAY_WIDTH,DISPLAY_HEIGHT),
|
|
ui(new Ui::MainWindow)
|
|
{
|
|
ui->setupUi(this);
|
|
}
|
|
|
|
void MainWindow::draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
|
|
{
|
|
|
|
render_mutex.lock();
|
|
QPainter painter(&(pixmap));
|
|
painter.setPen(colorFromRGB565(color));
|
|
painter.drawLine(x1,y1,x2,y2);
|
|
render_mutex.unlock();
|
|
}
|
|
|
|
void MainWindow::draw_pixel(uint16_t x, uint16_t y, uint16_t color)
|
|
{
|
|
render_mutex.lock();
|
|
QPainter painter(&(pixmap));
|
|
painter.setPen(colorFromRGB565(color));
|
|
painter.drawPoint(x,y);
|
|
render_mutex.unlock();
|
|
}
|
|
|
|
void MainWindow::clear(uint16_t color)
|
|
{
|
|
render_mutex.lock();
|
|
pixmap.fill(colorFromRGB565(color));
|
|
render_mutex.unlock();
|
|
}
|
|
|
|
void MainWindow::draw_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
|
|
{
|
|
render_mutex.lock();
|
|
QPainter painter(&(pixmap));
|
|
painter.setPen(colorFromRGB565(color));
|
|
painter.drawRect(x1,y1,x2,y2);
|
|
render_mutex.unlock();
|
|
}
|
|
|
|
void MainWindow::fill_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
|
|
{
|
|
render_mutex.lock();
|
|
QPainter painter(&(pixmap));
|
|
painter.fillRect(x1,y1,x2,y2,colorFromRGB565(color));
|
|
render_mutex.unlock();
|
|
}
|
|
|
|
void MainWindow::draw_bitmap_unscaled(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint8_t *dat)
|
|
{
|
|
render_mutex.lock();
|
|
QPainter painter(&(pixmap));
|
|
|
|
for(int yi=0; yi<height; yi++) {
|
|
for(int xi=0; xi<width; xi++) {
|
|
painter.setPen(colorFromRGB565(dat[yi*width+xi]));
|
|
painter.drawPoint(x+xi,y+yi);
|
|
}
|
|
}
|
|
render_mutex.unlock();
|
|
}
|
|
|
|
void MainWindow::paintEvent(QPaintEvent *)
|
|
{
|
|
render_mutex.lock();
|
|
QPainter painter(this);
|
|
|
|
painter.drawPixmap(DISPLAY_X,DISPLAY_Y,pixmap);
|
|
painter.setPen(QPen(Qt::green,2));
|
|
painter.drawRect(DISPLAY_X-1,DISPLAY_Y-1,DISPLAY_WIDTH+2,DISPLAY_HEIGHT+2);
|
|
render_mutex.unlock();
|
|
}
|
|
|
|
|
|
MainWindow::~MainWindow()
|
|
{
|
|
delete ui;
|
|
}
|
|
|