Ребята привет. Почему через GDI+ не получается рисовать на форме?
Исходник: http://ifolder.ru/5909072
| Код |
void CRelis_1Dlg::OnBnClickedButton1()
{
// TODO: Add your control notification handler code here
using namespace Gdiplus;
CPaintDC dc(this);
Graphics graphics(dc.m_hDC);
// Pen can also be constructed using a brush or another pen. There is a second parameter - a width which defaults to 1.0f
Pen blue (Color(255, 0, 0, 255));
Pen red (Color(255, 255, 0, 0));
int y = 256;
int x;
for (x = 0; x < 256; x += 5)
{
graphics.DrawLine(&blue, 0, y, x, 0);
graphics.DrawLine(&red, 256, x, y, 256);
y -= 5;
}
for (y = 0; y < 256; y++)
{
Pen pen(Color(y, 0, 255,0)); // A green pen with shifting alpha
graphics.DrawLine(&pen, 0, y, 256, y);
// The sleep is to slow it down so you can watch the effect
Sleep(1);
}
for (x = 0; x < 256; x++)
{
Pen pen(Color(x, 255, 0, 255)); // A green pen with shifting alpha
graphics.DrawLine(&pen, x, 100, x, 200);
// The sleep is to slow it down so you can watch the effect
Sleep(1);
}
}
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