void
Draw(void)
{
const int side = 80;
Figure *square;
Figure *square_t;
square = AllocFigure(4);
square->v[0] = (Vertex){ 0, 0 };
square->v[1] = (Vertex){ 0, side };
square->v[2] = (Vertex){ side, side };
square->v[3] = (Vertex){ side, 0 };
DrawFigure(square);
square_t = DupFigure(square);
RotateFigure(square_t, PI / 6.0);
DrawFigure(square_t);
CopyFigure(square_t, square);
RotateFigure(square_t, PI / 5.0);
DrawFigure(square_t);
CopyFigure(square_t, square);
RotateFigure(square_t, PI / 4.0);
DrawFigure(square_t);
}
MRESULT EXPENTRY ClientWndProc (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
{
static INT cxClient, cyClient ;
static LONG alJoin [] = { LINEJOIN_BEVEL, LINEJOIN_ROUND, LINEJOIN_MITRE },
alEnd [] = { LINEEND_FLAT, LINEEND_SQUARE, LINEEND_ROUND } ;
HPS hps ;
INT i ;
switch (msg)
{
case WM_SIZE:
cxClient = SHORT1FROMMP (mp2) ;
cyClient = SHORT2FROMMP (mp2) ;
return 0 ;
case WM_PAINT:
hps = WinBeginPaint (hwnd, NULLHANDLE, NULL) ;
GpiErase (hps) ;
for (i = 0 ; i < 3 ; i++)
{
// Draw the geometric line
GpiSetLineJoin (hps, alJoin [i]) ;
GpiSetLineEnd (hps, alEnd [i]) ;
GpiSetLineWidthGeom (hps, cxClient / 20) ;
GpiSetColor (hps, CLR_DARKGRAY) ;
GpiBeginPath (hps, 1) ;
DrawFigure (hps, i, cxClient, cyClient) ;
GpiEndPath (hps) ;
GpiStrokePath (hps, 1, 0) ;
// Draw the cosmetic line
GpiSetLineWidth (hps, LINEWIDTH_THICK) ;
GpiSetColor (hps, CLR_BLACK) ;
DrawFigure (hps, i, cxClient, cyClient) ;
}
WinEndPaint (hps) ;
return 0 ;
}
return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
}
void OnPaint(HWND hwnd)
{
DrawGLScene();
SwapBuffers(hDC);
DrawPicture(hwnd);
DrawFigure();
}
void DisplayScene()
{
// kolor t³a - zawartoœæ bufora koloru
glClearColor(1.0, 1.0, 1.0, 1.0);
// czyszczenie bufora koloru i bufora g³êbokoœci
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// wybór macierzy modelowania
glMatrixMode(GL_MODELVIEW);
// macierz modelowania = macierz jednostkowa
glLoadIdentity();
// przesuniêcie uk³adu wspó³rzêdnych szeœcianu do œrodka bry³y odcinania
glTranslatef(0.0, 0.0, -(near + far) / 2);
// obroty szeœcianu
glRotatef(rotatex, 1.0, 0.0, 0.0);
glRotatef(rotatey, 0.0, 1.0, 0.0);
// niewielkie powiêkszenie szeœcianu
glScalef(1.15, 1.15, 1.15);
// w³¹czenie testu bufora g³êbokoœci
glEnable(GL_DEPTH_TEST);
// w³¹czenie efektu mg³y
glEnable(GL_FOG);
// wskazówki jakoœci generacji mg³y
glHint(GL_FOG_HINT, fog_hint);
// kolor mg³y
glFogfv(GL_FOG_COLOR, White);
// gêstoœæ mg³y
glFogf(GL_FOG_DENSITY, fog_density);
// rodzaj mg³y
glFogf(GL_FOG_MODE, fog_mode);
// pocz¹tek i koniec oddzia³ywania mg³y liniowej
glFogf(GL_FOG_START, fog_start);
glFogf(GL_FOG_END, fog_end);
// wyœwietlenie szeœcianu
//glCallList(CUBE_LIST);
DrawFigure();
// wy³¹czenie efektu mg³y
glDisable(GL_FOG);
// skierowanie poleceñ do wykonania
glFlush();
// zamiana buforów koloru
glutSwapBuffers();
}
void DrawPlot(QLabel* plot, QVector<int> values)
{
QPixmap pm(350, 510);
QPoint Center(10, pm.height() - 20);
QPainter painter(&pm);
pm.fill(Qt::white);
DrawScale(painter, Center, pm.height() - 20, pm.width() - 20);
DrawFigure(painter, Center, values);
painter.end();
plot->setGeometry(200, 40, pm.width(), pm.height());
plot->setPixmap(pm);
plot->show();
}
void Repaint()
{
DrawGLScene();
SwapBuffers(hDC);
DrawFigure();
}
