DrawingArea.cpp

   1 #include <DrawingArea.h>
   2
   3 DrawingArea::DrawingArea(int width, int height)
   4 {
   5     image = new QImage(width, height, QImage::Format_RGB32);
   6     image->fill(QColor(Qt::white).rgb());
   7     painter = new QPainter(image);
   8 }
   9
  10 DrawingArea::~DrawingArea()
  11 {
  12     delete painter;
  13     delete image;
  14 }
  15
  16 int DrawingArea::width() const
  17 {
  18     return image->width();
  19 }
  20
  21 int DrawingArea::height() const
  22 {
  23     return image->height();
  24 }
  25
  26 void DrawingArea::setColor(const QColor &color)
  27 {
  28     QPen pen(painter->pen());
  29     pen.setColor(color);
  30     painter->setPen(pen);
  31 }
  32
  33 void DrawingArea::setColor(float red, float green, float blue)
  34 {
  35     QColor color;
  36     color.setRgbF(red, green, blue);
  37     this->setColor(color);
  38 }
  39
  40 void DrawingArea::drawPoint(int x, int y)
  41 {
  42     painter->drawPoint(x, y);
  43 }
  44
  45 void DrawingArea::drawLine(int x1, int y1, int x2, int y2)
  46 {
  47     painter->drawLine(x1, y1, x2, y2);
  48 }
  49