int GpLines(long n, const GpReal *px, const GpReal *py)
{
int value= 0;
Engine *engine;
int closed= gpCloseNext;
int smooth= gpSmoothNext;
int clip= gistClip && !gpClipDone;
gpCloseNext= gpSmoothNext= gpClipDone= 0;
if (smooth) return SmoothLines(n, px, py, closed, smooth, clip);
if (clip) InitializeClip();
else gpClipInit= 0;
if (!clip || ClipBegin(px, py, n, closed)) {
for (engine=GpNextActive(0) ; engine ; engine=GpNextActive(engine))
if (!engine->inhibit)
value|= engine->DrawLines(engine, n, px, py, closed, smooth);
} else while ((n=ClipMore())) {
for (engine=GpNextActive(0) ; engine ; engine=GpNextActive(engine))
if (!engine->inhibit)
value|= engine->DrawLines(engine, n, xClip, yClip, 0, smooth);
}
return value;
}
static int SmoothLines(long n, const GpReal *px, const GpReal *py,
int closed, int smooth, int clip)
{
int value= 0;
Engine *engine;
GpReal scalx, offx, scaly, offy;
if (clip && !gpClipInit) InitializeClip();
else gpClipInit= 0;
/* Now that clip has been set up, can change coordiante transform--
output from DoSmoothing is in normalized coordinates, while input
is in world coordinates... */
SwapNormMap(&scalx, &offx, &scaly, &offy);
if (!clip || ClipBegin(px, py, n, closed)) {
DoSmoothing(&n, &px, &py, closed, smooth, scalx, offx, scaly, offy);
/* Note: if closed, n= 3*n+1, last point same as first */
for (engine=GpNextActive(0) ; engine ; engine=GpNextActive(engine))
if (!engine->inhibit)
value|= engine->DrawLines(engine, n, px, py, 0, smooth);
} else while ((n=ClipMore())) {
px= xClip;
py= yClip;
DoSmoothing(&n, &px, &py, 0, smooth, scalx, offx, scaly, offy);
for (engine=GpNextActive(0) ; engine ; engine=GpNextActive(engine))
if (!engine->inhibit)
value|= engine->DrawLines(engine, n, px, py, 0, smooth);
}
SwapMapNorm();
return value;
}
int GaLines(long n, const GpReal *px, const GpReal *py)
/* Like GpLines, but includes GaAttributes fancy line attributes
as well as the line attributes from GpAttributes. */
{
int value= 0;
/* Redirect to polymarker if no line type */
if (gistA.l.type==L_NONE) {
/* if (!gistA.dl.marks) return 0; makes no sense */
return GpMarkers(n, px, py);
}
/* Use the (potentially faster) GpLines routine to draw
an undecorated polyline. */
if (!gistA.dl.marks && !gistA.dl.rays) {
gpCloseNext= gistA.dl.closed;
gpSmoothNext= gistA.dl.smooth;
return GpLines(n, px, py);
}
if (gistClip) InitializeClip();
gpClipInit= 0;
/* Note that a decorated line cannot be smooth... */
if (!gistClip || ClipBegin(px, py, n, gistA.dl.closed)) {
gpCloseNext= gistA.dl.closed;
gpClipDone= 1;
value= GpLines(n, px, py);
DecorateLines(n, px, py, gistA.dl.closed);
} else while ((n= ClipMore())) {
gpClipDone= 1;
value|= GpLines(n, xClip, yClip);
DecorateLines(n, xClip, yClip, 0);
}
return value;
}
//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_SIZE:
ResizeClip ();
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case ID_OPEN_CLIP:
OpenClip();
break;
case ID_CLOSE_CLIP:
CloseClip();
break;
case ID_PAUSE:
PausePlayClip();
break;
case ID_MUTE:
MuteClip();
break;
case ID_SIZE_FULLSCREEN:
FullScreen();
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_KEYDOWN:
switch(toupper((int) wParam))
{
case 'P':
PausePlayClip();
break;
case 'S':
break;
case 'M':
MuteClip();
break;
case 'F':
case VK_RETURN:
FullScreen();
break;
case 'B':
ClipBegin ();
break;
case 'H':
//InitVideoWindow(1,2);
//CheckSizeMenu(wParam);
break;
case 'N':
//InitVideoWindow(1,1);
//CheckSizeMenu(wParam);
break;
case 'D':
//InitVideoWindow(2,1);
//CheckSizeMenu(wParam);
break;
case 'T':
//InitVideoWindow(3,4);
//CheckSizeMenu(wParam);
break;
case VK_ESCAPE:
if (videoStream.IsValid() && videoStream->IsFullscreen())
{
FullScreen();
}
else
{
CloseClip();
}
break;
case VK_F12:
case 'Q':
case 'X':
CloseClip();
break;
}
break;
case WM_PAINT:
{
if (videoStream.IsValid())
{
//videoStream->Repaint();
}
else
{
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
RECT rcClient;
//RECT rcToolbar;
GetClientRect(hWnd, &rcClient);
//GetClientRect(toolbar, &rcToolbar);
HRGN hRgn1 = CreateRectRgnIndirect(&rcClient);
//HRGN hRgn2 = CreateRectRgnIndirect(&rcToolbar);
//CombineRgn(hRgn1, hRgn1, hRgn2, RGN_DIFF);
//::PaintRgn(hdc, hRgn2);
FillRgn(hdc, hRgn1, brush);
DeleteObject(hRgn1);
//DeleteObject(hRgn2);
EndPaint(hWnd, &ps);
}
break;
}
case WM_DESTROY:
PostQuitMessage(0);
break;
case DSHOW:
// HandleGraphEvent();
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return FALSE;
}
