#include <GL/gl.h>
#include <GL/glu.h>
#include <tchar.h>
+#include <scrnsave.h>
#include "resource.h"
#define APPNAME _T("Cylfrac")
float _RGB(float H, float M1, float M2)
{
- if(H < 0.0) H += 360.0;
- else if(H > 360.0) H -= 360.0;
- if(H < 60) return M1 + (M2 - M1) * H / 60.0;
- if((H >= 60 )&&(H < 180)) return M2;
- if((H >= 180)&&(H < 240)) return M1 + (M2 - M1)*(240 - H) / 60.0;
- return M1;
+ if(H < 0.0) H += 360.0;
+ else if(H > 360.0) H -= 360.0;
+ if(H < 60) return M1 + (M2 - M1) * H / 60.0;
+ if((H >= 60 )&&(H < 180)) return M2;
+ if((H >= 180)&&(H < 240)) return M1 + (M2 - M1)*(240 - H) / 60.0;
+ return M1;
}
void HLStoRGB(float H, float L, float S,
float* R, float* G, float* B)
{
float M1, M2;
- if(S <= 0.5) M2 = S * (1 + L);
- else M2 = S * (1 - L) + L;
- M1 = 2 * S - M2;
- if (L == 0.0)
- {
- *R = S;
- *G = S;
- *B = S;
- } else {
- *R = _RGB(H + 120.0, M1, M2);
- *G = _RGB(H , M1, M2);
- *B = _RGB(H - 120.0, M1, M2);
- }
+ if(S <= 0.5) M2 = S * (1 + L);
+ else M2 = S * (1 - L) + L;
+ M1 = 2 * S - M2;
+ if (L == 0.0)
+ {
+ *R = S;
+ *G = S;
+ *B = S;
+ } else {
+ *R = _RGB(H + 120.0, M1, M2);
+ *G = _RGB(H , M1, M2);
+ *B = _RGB(H - 120.0, M1, M2);
+ }
}
void DrawCylinder(int n, float rota, float width)
{
- glPushMatrix();
- glColor3f(rval/n, gval/n, bval/n);
- glRotatef(rota, 0.0, 1.0, 0.0);
- gluCylinder(cylinder, width, width * wfactor, n * 0.5, cylquality, 1);
- glTranslatef(0.0, 0.0, -n * 0.5);
- gluCylinder(cylinder, width * wfactor, width, n * 0.5, cylquality, 1);
- if(n > 1)
- {
- float r = rota * rotfactor;
- glRotatef(90.0, 1.0, 0.0, 0.0);
- DrawCylinder(n - 1, r, width * wfactor);
- glTranslatef(0.0, n, 0.0);
- DrawCylinder(n - 1, -r, width * wfactor);
- }
- glPopMatrix();
+ glPushMatrix();
+ glColor3f(rval/n, gval/n, bval/n);
+ glRotatef(rota, 0.0, 1.0, 0.0);
+ gluCylinder(cylinder, width, width * wfactor, n * 0.5, cylquality, 1);
+ glTranslatef(0.0, 0.0, -n * 0.5);
+ gluCylinder(cylinder, width * wfactor, width, n * 0.5, cylquality, 1);
+ if(n > 1)
+ {
+ float r = rota * rotfactor;
+ glRotatef(90.0, 1.0, 0.0, 0.0);
+ DrawCylinder(n - 1, r, width * wfactor);
+ glTranslatef(0.0, n, 0.0);
+ DrawCylinder(n - 1, -r, width * wfactor);
+ }
+ glPopMatrix();
}
void DrawScene(HWND hwnd, HDC dc, int ticks)
{
- PAINTSTRUCT ps;
- dc = BeginPaint(hwnd, &ps);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glRotatef(ticks * 0.01, 0.0, 1.0, -0.5);
- angle += ticks * 0.01;
- colorh += ticks * 0.003;
- if (colorh > 360.0) colorh -= 360.0;
- HLStoRGB(colorh, 1.0, 0.7, &rval, &gval, &bval);
- DrawCylinder(lvls, angle, 0.2);
- SwapBuffers(dc);
- EndPaint(hwnd, &ps);
+ PAINTSTRUCT ps;
+ dc = BeginPaint(hwnd, &ps);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glRotatef(ticks * 0.01, 0.0, 1.0, -0.5);
+ angle += ticks * 0.01;
+ colorh += ticks * 0.003;
+ if (colorh > 360.0) colorh -= 360.0;
+ HLStoRGB(colorh, 1.0, 0.7, &rval, &gval, &bval);
+ DrawCylinder(lvls, angle, 0.2);
+ SwapBuffers(dc);
+ EndPaint(hwnd, &ps);
}
void CALLBACK TimeProc(UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
{
- InvalidateRect((HWND)dwUser, NULL, 0);
+ InvalidateRect((HWND)dwUser, NULL, 0);
}
void MyPixelFormat(HDC dc)
{
- int npf;
- PIXELFORMATDESCRIPTOR pfd;
+ int npf;
+ PIXELFORMATDESCRIPTOR pfd;
- ZeroMemory(&pfd, sizeof(pfd));
- pfd.nSize = sizeof(pfd);
- pfd.nVersion = 1;
- pfd.dwFlags = PFD_DOUBLEBUFFER | PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW;
+ ZeroMemory(&pfd, sizeof(pfd));
+ pfd.nSize = sizeof(pfd);
+ pfd.nVersion = 1;
+ pfd.dwFlags = PFD_DOUBLEBUFFER | PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW;
- npf = ChoosePixelFormat(dc, &pfd);
- if(npf != 0)
- SetPixelFormat(dc, npf, &pfd);
+ npf = ChoosePixelFormat(dc, &pfd);
+ if(npf != 0)
+ SetPixelFormat(dc, npf, &pfd);
}
void InitGL(HWND hwnd)
{
- GLfloat lightpos[4] = {2.0, 2.0, -2.0, 0.7};
- GLfloat ca = 1.0;
- dc = GetDC(hwnd);
- MyPixelFormat(dc);
- hrc = wglCreateContext(dc);
- wglMakeCurrent(dc, hrc);
- cylinder = gluNewQuadric();
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_LIGHT0);
- glLightfv(GL_LIGHT0, GL_POSITION, (GLfloat *)&lightpos);
- glLightfv(GL_LIGHT0, GL_LINEAR_ATTENUATION, &ca);
- glEnable(GL_LIGHTING);
- glEnable(GL_COLOR_MATERIAL);
+ GLfloat lightpos[4] = {2.0, 2.0, -2.0, 0.7};
+ GLfloat ca = 1.0;
+ dc = GetDC(hwnd);
+ MyPixelFormat(dc);
+ hrc = wglCreateContext(dc);
+ wglMakeCurrent(dc, hrc);
+ cylinder = gluNewQuadric();
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_LIGHT0);
+ glLightfv(GL_LIGHT0, GL_POSITION, (GLfloat *)&lightpos);
+ glLightfv(GL_LIGHT0, GL_LINEAR_ATTENUATION, &ca);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_COLOR_MATERIAL);
}
-LRESULT WINAPI WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+LRESULT WINAPI ScreenSaverProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
- switch(msg) {
- case WM_CREATE:
- GetCursorPos(&initpoint);
- InitGL(hwnd);
- oldticks = GetTickCount();
- TimerID = timeSetEvent (timerdelay, 0, TimeProc, (DWORD)hwnd, TIME_PERIODIC);
- break;
- case WM_PAINT:
- {
- DWORD ticks = oldticks;
- POINT currpoint;
- oldticks = GetTickCount();
- DrawScene(hwnd, dc, oldticks - ticks);
- if(fullscreen)
- {
- GetCursorPos(&currpoint);
- if(abs(currpoint.x - initpoint.x) + (abs(currpoint.y - initpoint.y)) > 10)
- PostMessage(hwnd, WM_CLOSE, 0, 0);
- }
- break;
- }
- case WM_DESTROY:
- timeKillEvent(TimerID);
- gluDeleteQuadric(cylinder);
- wglMakeCurrent(0, 0);
- wglDeleteContext(hrc);
- ReleaseDC(hwnd, dc);
- DeleteDC(dc);
- if (fullscreen)
- ShowCursor(TRUE);
- PostQuitMessage(0);
- break;
- case WM_NOTIFY:
- case WM_SYSKEYDOWN:
- PostMessage(hwnd, WM_CLOSE, 0, 0);
- break;
- case WM_SIZE:
- {
- int width = LOWORD(lParam);
- int height = HIWORD(lParam);
- float fscale;
- glViewport(0, 0, width, height);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- fscale = 0.8/(float)lvls;
- glScalef(fscale, fscale, fscale);
- break;
- }
-
- }
- return DefWindowProc(hwnd, msg, wParam, lParam);
-}
-
-void InitSaver(HWND hwndParent)
-{
- WNDCLASS wc;
- ZeroMemory(&wc, sizeof(wc));
- wc.style = CS_HREDRAW | CS_VREDRAW;
- wc.lpfnWndProc = WndProc;
- wc.lpszClassName = APPNAME;
- RegisterClass(&wc);
-
- if (hwndParent != 0)
- {
- RECT rect;
- GetClientRect(hwndParent, &rect);
- CreateWindow(APPNAME, APPNAME,
- WS_VISIBLE | WS_CHILD,
- 0, 0,
- rect.right,
- rect.bottom,
- hwndParent, 0,
- hInstance, NULL);
- fullscreen = FALSE;
- } else {
- HWND hwnd;
- hwnd = CreateWindow(APPNAME, APPNAME,
- WS_VISIBLE | WS_POPUP | WS_EX_TOPMOST,
- 0, 0,
- GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),
- HWND_DESKTOP, 0,
- hInstance, NULL);
- ShowWindow(hwnd, SW_SHOWMAXIMIZED);
- ShowCursor(FALSE);
- fullscreen = TRUE;
- }
-}
-
-//
-// Look for any options Windows has passed to us:
-//
-// -a <hwnd> (set password)
-// -s (screensave)
-// -p <hwnd> (preview)
-// -c <hwnd> (configure)
-//
-VOID ParseCommandLine(LPWSTR szCmdLine, UCHAR *chOption, HWND *hwndParent)
-{
- UCHAR ch = *szCmdLine++;
-
- if(ch == '-' || ch == '/')
- ch = *szCmdLine++;
-
- if(ch >= 'A' && ch <= 'Z')
- ch += 'a' - 'A'; //convert to lower case
-
- *chOption = ch;
- ch = *szCmdLine++;
-
- if(ch == ':')
- ch = *szCmdLine++;
-
- while(ch == ' ' || ch == '\t')
- ch = *szCmdLine++;
-
- if(isdigit(ch))
- {
- unsigned int i = _wtoi(szCmdLine - 1);
- *hwndParent = (HWND)i;
- }
- else
- *hwndParent = NULL;
+ switch(msg) {
+ case WM_CREATE:
+ {
+ GetCursorPos(&initpoint);
+ InitGL(hwnd);
+ oldticks = GetTickCount();
+ TimerID = timeSetEvent (timerdelay, 0, TimeProc, (DWORD)hwnd, TIME_PERIODIC);
+ }
+ break;
+ case WM_PAINT:
+ {
+ DWORD ticks = oldticks;
+ POINT currpoint;
+ oldticks = GetTickCount();
+ DrawScene(hwnd, dc, oldticks - ticks);
+ if(fullscreen)
+ {
+ GetCursorPos(&currpoint);
+ if(abs(currpoint.x - initpoint.x) + (abs(currpoint.y - initpoint.y)) > 10)
+ PostMessage(hwnd, WM_CLOSE, 0, 0);
+ }
+ }
+ break;
+ case WM_DESTROY:
+ {
+ timeKillEvent(TimerID);
+ gluDeleteQuadric(cylinder);
+ wglMakeCurrent(0, 0);
+ wglDeleteContext(hrc);
+ ReleaseDC(hwnd, dc);
+ DeleteDC(dc);
+ if (fullscreen)
+ ShowCursor(TRUE);
+ PostQuitMessage(0);
+ }
+ break;
+ case WM_SIZE:
+ {
+ int width = LOWORD(lParam);
+ int height = HIWORD(lParam);
+ float fscale;
+ glViewport(0, 0, width, height);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ fscale = 0.8/(float)lvls;
+ glScalef(fscale, fscale, fscale);
+ }
+ break;
+ default:
+ return DefScreenSaverProc(hwnd, msg, wParam, lParam);
+ }
+ return 0;
}
-void Configure(void)
+BOOL WINAPI ScreenSaverConfigureDialog(HWND hWnd, UINT message, WPARAM wparam, LPARAM lparam)
{
- TCHAR szTitle[256];
- TCHAR szText[256];
-
- LoadString(hInstance,
- IDS_TITLE,
- szTitle,
- 256);
-
- LoadString(hInstance,
- IDS_TEXT,
- szText,
- 256);
-
- MessageBox(0,
- szText,
- szTitle,
- MB_OK | MB_ICONWARNING);
+ return FALSE;
}
-int CALLBACK wWinMain (HINSTANCE hInst,
- HINSTANCE hPrev,
- LPWSTR lpCmdLine,
- int iCmdShow)
+BOOL WINAPI RegisterDialogClasses(HANDLE hmodule)
{
- HWND hwndParent = 0;
- UCHAR chOption;
- MSG Message;
-
- hInstance = hInst;
-
- ParseCommandLine(lpCmdLine, &chOption, &hwndParent);
-
- switch(chOption)
- {
- case 's':
- InitSaver(0);
- break;
-
- case 'p':
- InitSaver(hwndParent);
- break;
-
- case 'c':
- default:
- Configure();
- return 0;
- }
-
- while (GetMessage(&Message, 0, 0, 0))
- DispatchMessage(&Message);
-
- return Message.wParam;
+ TCHAR szTitle[256];
+ TCHAR szText[256];
+
+ LoadString(hmodule,
+ IDS_TITLE,
+ szTitle,
+ 256);
+
+ LoadString(hmodule,
+ IDS_TEXT,
+ szText,
+ 256);
+
+ MessageBox(0,
+ szText,
+ szTitle,
+ MB_OK | MB_ICONWARNING);
+ return FALSE;
}
-
-
projects / reactos.git / blobdiff