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1383 lines
41 KiB
1383 lines
41 KiB
/**************************************************************************
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*
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* Copyright (c) 1998-2000, Microsoft Corp. All Rights Reserved.
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*
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* Module Name:
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*
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* Gdipscsave.cpp
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*
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* Abstract:
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*
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* Demonstration GDI+ based screen saver with several different
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* fractal patterns
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*
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* Revision History:
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*
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* 8/17/2000 peterost - Created it.
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*
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***************************************************************************/
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#include "gdipscsave.h"
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#include <math.h>
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#include "../gpinit.inc"
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extern HINSTANCE hMainInstance; /* screen saver instance handle */
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/**********************************************************************
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*
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* Handle configuration dialog
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*
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***********************************************************************/
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BOOL WINAPI ScreenSaverConfigureDialog (HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
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{
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static HWND hNumber; /* handle to number of fractals scroll bar */
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static HWND hOK; /* handle to OK push button */
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switch(message)
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{
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case WM_INITDIALOG:
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/* Retrieve the application name from the .rc file. */
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LoadString(hMainInstance,idsAppName,szAppName,40);
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/* Retrieve any redraw speed data from the registry. */
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GetFractalConfig (&nFractType, &nNumFracts);
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/* Initialize the number of fractals scroll bar control. */
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hNumber = GetDlgItem(hDlg, ID_SPEED);
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SetScrollRange(hNumber, SB_CTL, MINVEL, MAXVEL, FALSE);
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SetScrollPos(hNumber, SB_CTL, nNumFracts, TRUE);
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/* Initialize the type of fractals radio buttons */
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CheckRadioButton(hDlg, IDC_RADIOTYPE1, IDC_RADIOTYPE5, IDC_RADIOTYPE1+nFractType);
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/* Retrieve a handle to the OK push button control. */
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hOK = GetDlgItem(hDlg, IDOK);
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return TRUE;
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case WM_HSCROLL:
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/*
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* Process scroll bar input, adjusting the nNumFracts
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* value as appropriate.
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*/
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switch (LOWORD(wParam))
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{
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case SB_PAGEUP:
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--nNumFracts;
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break;
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case SB_LINEUP:
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--nNumFracts;
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break;
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case SB_PAGEDOWN:
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++nNumFracts;
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break;
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case SB_LINEDOWN:
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++nNumFracts;
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break;
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case SB_THUMBPOSITION:
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nNumFracts = HIWORD(wParam);
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break;
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case SB_BOTTOM:
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nNumFracts = MINVEL;
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break;
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case SB_TOP:
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nNumFracts = MAXVEL;
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break;
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case SB_THUMBTRACK:
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case SB_ENDSCROLL:
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return TRUE;
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break;
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}
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if ((int) nNumFracts <= MINVEL)
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nNumFracts = MINVEL;
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if ((int) nNumFracts >= MAXVEL)
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nNumFracts = MAXVEL;
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SetScrollPos((HWND) lParam, SB_CTL, nNumFracts, TRUE);
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break;
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case WM_COMMAND:
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switch(LOWORD(wParam))
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{
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case ID_OK:
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if (IsDlgButtonChecked(hDlg, IDC_RADIOTYPE1))
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nFractType = 0;
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else if (IsDlgButtonChecked(hDlg, IDC_RADIOTYPE2))
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nFractType = 1;
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else if (IsDlgButtonChecked(hDlg, IDC_RADIOTYPE3))
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nFractType = 2;
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else if (IsDlgButtonChecked(hDlg, IDC_RADIOTYPE4))
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nFractType = 3;
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else
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nFractType = 4;
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SetFractalConfig(nFractType, nNumFracts);
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case ID_CANCEL:
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EndDialog(hDlg, LOWORD(wParam) == IDOK);
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return TRUE;
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}
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}
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return FALSE;
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}
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BOOL WINAPI RegisterDialogClasses(
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HANDLE hInst
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)
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{
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return TRUE;
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}
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LRESULT WINAPI ScreenSaverProcW (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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static HDC hdc; /* device-context handle */
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static RECT rc; /* RECT structure */
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static UINT uTimer; /* timer identifier */
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static DWORD dwNumDrawn = -1;
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switch(message)
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{
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case WM_CREATE:
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// Retrieve the application name from the .rc file.
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LoadString(hMainInstance, idsAppName, szAppName, 40);
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// Retrieve any configuration data from the registry.
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GetFractalConfig (&nFractType, &nNumFracts);
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// Set a timer for the screen saver window
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uTimer = SetTimer(hwnd, 1, 1000, NULL);
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srand( (unsigned)GetTickCount() );
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fMandelbrot = rand()%2;
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// stream = fopen( "fprintf.out", "w" );
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// fprintf(stream, "initialized\n");
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break;
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case WM_ERASEBKGND:
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/*
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* The WM_ERASEBKGND message is issued before the
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* WM_TIMER message, allowing the screen saver to
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* paint the background as appropriate.
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*/
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hdc = GetDC(hwnd);
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GetClientRect (hwnd, &rc);
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FillRect (hdc, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH));
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ReleaseDC(hwnd,hdc);
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break;
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case WM_TIMER:
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/*
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* The WM_TIMER message is issued at REDRAWTIME. This
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* code repaints the entire desktop with black brush every time
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* nNumFracts fractals have been drawn, and calls the appropriate
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* fractal rendering function based on nFractType
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*/
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if (uTimer)
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KillTimer(hwnd, uTimer);
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hdc = GetDC(hwnd);
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GetClientRect(hwnd, &rc);
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if (++dwNumDrawn >= nNumFracts)
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{
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dwNumDrawn = 0;
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FillRect(hdc, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH));
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}
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switch (nFractType)
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{
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case 0:
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DrawSierpinski(hdc, hwnd, rc, dwNumDrawn);
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break;
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case 1:
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DrawHieghway(hdc, hwnd, rc, dwNumDrawn);
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break;
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case 2:
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DrawTree(hdc, hwnd, rc, dwNumDrawn);
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break;
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case 3:
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DrawPlasma(hdc, hwnd, rc, dwNumDrawn);
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break;
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case 4:
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DrawJulia(hdc, hwnd, rc, dwNumDrawn, fMandelbrot);
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break;
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}
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uTimer = SetTimer(hwnd, 1, REDRAWTIME, NULL);
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ReleaseDC(hwnd,hdc);
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break;
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case WM_DESTROY:
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/*
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* When the WM_DESTROY message is issued, the screen saver
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* must destroy any of the timers that were set at WM_CREATE
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* time.
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*/
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// fclose(stream);
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if (uTimer)
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KillTimer(hwnd, uTimer);
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break;
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}
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// DefScreenSaverProc processes any messages ignored by ScreenSaverProc.
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return DefScreenSaverProc(hwnd, message, wParam, lParam);
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}
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VOID FillSierpinski(HWND hwnd, Graphics *g, PointF one, PointF two, PointF three, int level, Brush *pBrush, Pen *pPen)
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{
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MSG msg;
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if (level == 4 &&
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PeekMessage(&msg, hwnd, WM_KEYFIRST, WM_MOUSELAST, PM_NOREMOVE))
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{
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return;
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}
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g->DrawLine(pPen, one, two);
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g->DrawLine(pPen, two, three);
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g->DrawLine(pPen, three, one);
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PointF midpoints[3];
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midpoints[0].X = (two.X + one.X) / 2;
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midpoints[0].Y = (two.Y + one.Y) / 2;
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midpoints[1].X = (three.X + two.X) / 2;
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midpoints[1].Y = (three.Y + two.Y) / 2;
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midpoints[2].X = (one.X + three.X) / 2;
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midpoints[2].Y = (one.Y + three.Y) / 2;
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GraphicsPath triangle;
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triangle.AddPolygon(midpoints, 3);
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g->FillPath(pBrush, &triangle);
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if (level-- > 0)
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{
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FillSierpinski(hwnd, g, two, midpoints[0], midpoints[1], level, pBrush, pPen);
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FillSierpinski(hwnd, g, three, midpoints[1], midpoints[2], level, pBrush, pPen);
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FillSierpinski(hwnd, g, one, midpoints[0], midpoints[2], level, pBrush, pPen);
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}
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}
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VOID DrawSierpinski(HDC hDC, HWND hwnd, RECT rc, int iColor)
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{
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Graphics g(hDC);
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PointF points[3];
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Color colors[3] = {
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Color(160,255,0,0),
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Color(130,0,255,0),
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Color(110,0,0,255)};
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int nColors = 3, iMinLen = 6;
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// Get some good random points. Limit angles to be > 20 degrees, so
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// there are no skinny triangles
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for (int j = 0; j <= 20; j++)
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{
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for (int i = 0; i<= 2; i++)
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{
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points[i].X = (REAL)(rand() % (rc.right - rc.left));
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points[i].Y = (REAL)(rand() % (rc.bottom - rc.top));
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}
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double a,b,c,cosa,cosb,cosc;
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a = sqrt(pow(points[0].X - points[1].X, 2) + pow(points[0].Y - points[1].Y, 2));
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b = sqrt(pow(points[2].X - points[1].X, 2) + pow(points[2].Y - points[1].Y, 2));
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c = sqrt(pow(points[0].X - points[2].X, 2) + pow(points[0].Y - points[2].Y, 2));
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iMinLen = (int)min(a,min(b,c));
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//fprintf(stream, " %6f %6f %6f %d\n", a, b, c, j);
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cosa = (pow(a,2) - pow(b,2) - pow(c,2)) / (-2 * b * c);
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cosb = (pow(b,2) - pow(a,2) - pow(c,2)) / (-2 * a * c);
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cosc = (pow(c,2) - pow(a,2) - pow(b,2)) / (-2 * a * b);
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//fprintf(stream, " %6f %6f %6f %d\n", cosa, cosb, cosc, j);
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if ((fabs(cosa) < 0.939) &&
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(fabs(cosb) < 0.939) &&
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(fabs(cosc) < 0.939) &&
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(a > 35))
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{
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// fprintf(stream, "broke\n");
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break;
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}
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}
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PathGradientBrush brush(points, nColors);
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brush.SetSurroundColors(colors, &nColors);
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Pen pen(Color(90, (255-iColor*90)%256, 0, (iColor*60)%256));
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g.SetSmoothingMode(SmoothingModeAntiAlias);
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FillSierpinski(hwnd, &g, points[0], points[1], points[2], min(6,max(3,iMinLen/70)), &brush, &pen);
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}
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VOID DrawHieghway(HDC hDC, HWND hwnd, RECT rc, int iColor)
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{
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static PointF p1[16390], p2[16390];
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int iSize = 2, iLen, iPad = (rc.bottom - rc.top) / 4;
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PointF *parr1, *parr2, *ptemp;
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// Calculate a starting line that is not too close to the edges of the screen
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p1[0].X = (REAL)(iPad + (rand() % (rc.right - rc.left - iPad*2)));
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p1[0].Y = (REAL)(iPad + (rand() % (rc.bottom - rc.top - iPad*2)));
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iLen = (rand() % (min(rc.right - rc.left, rc.bottom - rc.top) / 2)) + iPad/2;
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if (rand() & 1)
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{
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p1[1].X = p1[0].X;
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if (p1[0].Y > (rc.bottom - rc.top)/2)
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p1[1].Y = p1[0].Y - iLen;
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else
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p1[1].Y = p1[0].Y + iLen;
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}
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else
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{
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if (p1[0].X > (rc.right - rc.left)/2)
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p1[1].X = p1[0].X - iLen;
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else
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p1[1].X = p1[0].X + iLen;
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p1[1].Y = p1[0].Y;
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}
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PointF pgrad1(p1[0].X, p1[0].Y), pgrad2(p1[1].X, p1[1].Y);
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//fprintf(stream, " %6f %6f %6f %6f\n", p1[0].X, p1[0].Y, p1[1].X, p1[1].Y);
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parr1 = p1;
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parr2 = p2;
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// Create dragon pattern to a level which is more or less dependent on the
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// overall size of the pattern.
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for (int i=0; i<max(MINHEIGHWAYLEVEL,min(sqrt(iLen/2), MAXHEIGHWAYLEVEL)); i++)
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{
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IterateHieghway(parr1, parr2, &iSize);
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ptemp = parr1;
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parr1 = parr2;
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parr2 = ptemp;
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}
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// Draw the resultant pattern with a gradient pen with random colors.
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Graphics g(hDC);
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LinearGradientBrush brush(pgrad1, pgrad2,
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Color(230, (rand()%200)+55, (rand()%128)+55, rand()%256),
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Color(180, (rand()%100)+155, rand()%256, (rand()%200)+55));
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brush.SetWrapMode(WrapModeTileFlipXY);
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Pen pen(&brush);
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// fprintf(stream, " %d %d \n", iLen, iSize);
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MSG msg;
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for (int j=0; j<(iSize-1); j++)
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{
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g.DrawLine(&pen, parr1[j], parr1[j+1]);
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// Drawing takes a long time, so check for queued message periodically
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if (j%1000 == 0 &&
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PeekMessage(&msg, hwnd, WM_KEYFIRST, WM_MOUSELAST, PM_NOREMOVE))
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{
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break;
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}
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}
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}
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VOID IterateHieghway(PointF *points, PointF *newpoints, int *iSize)
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{
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int j = 0;
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REAL x1,x2,y1,y2;
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BOOL right = TRUE;
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for (int i = 0; i < (*iSize - 1); i++)
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{
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x1 = points[i].X;
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x2 = points[i+1].X;
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y1 = points[i].Y;
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y2 = points[i+1].Y;
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newpoints[j].X = x1;
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newpoints[j++].Y = y1;
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if (y1 == y2)
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{
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newpoints[j].X = (x2 + x1) / 2;
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if (x2 > x1)
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if (right)
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newpoints[j++].Y = y1 + (x2-x1)/2;
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else
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newpoints[j++].Y = y1 - (x2-x1)/2;
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else // if (x1 > x2)
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if (right)
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newpoints[j++].Y = y1 - (x1-x2)/2;
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else
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newpoints[j++].Y = y1 + (x1-x2)/2;
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}
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else if (x1 == x2)
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{
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newpoints[j].Y = (y2 + y1) / 2;
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if (y2 > y1)
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if (right)
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newpoints[j++].X = x1 - (y2-y1)/2;
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else
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newpoints[j++].X = x1 + (y2-y1)/2;
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else // if (y1 > y2)
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if (right)
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newpoints[j++].X = x1 + (y1-y2)/2;
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else
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newpoints[j++].X = x1 - (y1-y2)/2;
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}
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else
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{
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if ((x1 > x2 && y1 > y2) ||
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(x2 > x1 && y2 > y1))
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{
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if (right)
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{
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newpoints[j].X = x1;
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newpoints[j++].Y = y2;
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}
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else
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{
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newpoints[j].X = x2;
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newpoints[j++].Y = y1;
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}
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}
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else // if ((x2 > x1 && y1 > y2) ||
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// (x1 > x2 && y2 > y1))
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{
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if (right)
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{
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newpoints[j].X = x2;
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newpoints[j++].Y = y1;
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}
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else
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{
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newpoints[j].X = x1;
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newpoints[j++].Y = y2;
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}
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}
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}
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right = !right;
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}
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newpoints[j].X = x2;
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newpoints[j++].Y = y2;
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*iSize = j;
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}
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VOID DrawTree(HDC hDC, HWND hwnd, RECT rc, int iColor)
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|
{
|
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/* PointF points[] = {PointF(50,100),
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PointF(70,100),
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PointF(68,70),
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PointF(58,56),
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PointF(80,47),
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PointF(65,24),
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PointF(58,27),
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PointF(68,43),
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PointF(47,52),
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PointF(55,70),
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PointF(50,100)};
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PointF scale[] = {PointF((REAL)0.7, (REAL)0.7),
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PointF((REAL)0.7, (REAL)0.7),
|
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PointF((REAL)0.7, (REAL)0.7)};
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REAL rotate[] = {-65, -10, 65};
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PointF translate[] = {PointF(-100,2), PointF(20,-45), PointF(35,-167)};
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*/
|
|
PointF points[3][11] = {PointF(50,100),
|
|
PointF(65,100),
|
|
PointF(62,30),
|
|
PointF(53,30),
|
|
PointF(50,100),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
|
|
PointF(50,100),
|
|
PointF(70,100),
|
|
PointF(68,70),
|
|
PointF(58,56),
|
|
PointF(80,47),
|
|
PointF(65,24),
|
|
PointF(58,27),
|
|
PointF(68,43),
|
|
PointF(47,52),
|
|
PointF(55,70),
|
|
PointF(50,100),
|
|
|
|
PointF(0,100),
|
|
PointF(15,100),
|
|
PointF(12,30),
|
|
PointF(3,30),
|
|
PointF(0,100),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0),
|
|
PointF(0,0)};
|
|
int numPoints[3] = {5,11,5};
|
|
int numBranches[3] = {3,4,3};
|
|
int numLevels[3] = {7,7,9};
|
|
PointF scale[3][4] = {PointF((REAL)0.7, (REAL)0.7),
|
|
PointF((REAL)0.7, (REAL)0.7),
|
|
PointF((REAL)0.7, (REAL)0.7),
|
|
PointF(0,0),
|
|
|
|
PointF((REAL)0.75, (REAL)0.75),
|
|
PointF((REAL)0.6, (REAL)0.6),
|
|
PointF((REAL)0.8, (REAL)0.8),
|
|
PointF((REAL)0.35, (REAL)0.35),
|
|
|
|
PointF((REAL)0.65, (REAL)0.65),
|
|
PointF((REAL)0.6, (REAL)0.6),
|
|
PointF((REAL)0.6, (REAL)0.6),
|
|
PointF(0,0)};
|
|
REAL rotate[3][4] = {1, -35, 27, 0,
|
|
-65, -10, 65, 20,
|
|
0, -55, 55, 0};
|
|
PointF translate[3][4] = {PointF(24,-50),
|
|
PointF(-33,10),
|
|
PointF(50,-67),
|
|
PointF(0,0),
|
|
|
|
PointF(-100,2),
|
|
PointF(25,-40),
|
|
PointF(25,-160),
|
|
PointF(180,25),
|
|
|
|
PointF(4,-55),
|
|
PointF(-95,-30),
|
|
PointF(95,-50),
|
|
PointF(0,0)};
|
|
//fprintf(stream, "%f %f %f %f \n", points[0][0].X, points[0][1].X, points[0][2].X, points[0][3].X);
|
|
Graphics g(hDC);
|
|
GraphicsPath path;
|
|
REAL rScale = (REAL)(rand() % (rc.bottom - rc.top)) / 350;
|
|
if (rScale < 0.2)
|
|
rScale = 0.2f;
|
|
REAL xTrans = (REAL)(rand() % ((rc.right - rc.left) * 2/3)) + ((rc.right - rc.left) * 1/6);
|
|
REAL yTrans = (REAL)(rand() % ((rc.bottom - rc.top) * 2/3)) + ((rc.bottom - rc.top) * 1/6);
|
|
REAL rRotate = (REAL)(rand() % 360);
|
|
int iTree = rand() % 3;
|
|
|
|
//fprintf(stream, " %6f %6f %6f %6f\n", rScale, xTrans, yTrans, rRotate);
|
|
|
|
path.AddPolygon(points[iTree],numPoints[iTree]);
|
|
g.TranslateTransform(xTrans, yTrans);
|
|
g.ScaleTransform(rScale, rScale);
|
|
g.RotateTransform(rRotate);
|
|
DrawBranch(hwnd, &g, &path, rScale < 1 ? numLevels[iTree]-1 : numLevels[iTree],
|
|
scale[iTree], rotate[iTree], translate[iTree], numBranches[iTree],
|
|
iColor);
|
|
}
|
|
|
|
VOID DrawBranch(HWND hwnd, Graphics *g, GraphicsPath *path, int iLevel,
|
|
PointF *scale, REAL *rotate, PointF *translate,
|
|
int iBranches, int iColor)
|
|
{
|
|
MSG msg;
|
|
|
|
if (iLevel == 0 ||
|
|
(iLevel == 6 &&
|
|
PeekMessage(&msg, hwnd, WM_KEYFIRST, WM_MOUSELAST, PM_NOREMOVE)))
|
|
{
|
|
return;
|
|
}
|
|
|
|
SolidBrush brush(Color(200, rand()%256,(255-iLevel*20)%256,(iColor*125)%200 + rand()%50));
|
|
g->FillPath(&brush, path);
|
|
|
|
for (int i = 0; i<iBranches; i++)
|
|
{
|
|
GraphicsState state = g->Save();
|
|
|
|
g->ScaleTransform(scale[i].X, scale[i].Y);
|
|
g->RotateTransform(rotate[i]);
|
|
g->TranslateTransform(translate[i].X, translate[i].Y);
|
|
|
|
DrawBranch(hwnd, g, path,iLevel-1,scale,rotate,translate,iBranches,iColor);
|
|
|
|
g->Restore(state);
|
|
}
|
|
}
|
|
|
|
VOID DrawJulia(HDC hDC, HWND hwnd, RECT rc, int iColor, BOOL fMandelbrot)
|
|
{
|
|
Graphics g(hDC);
|
|
REAL cx=(REAL)0.3,cy=(REAL)0.588888;
|
|
REAL x0,y0=-1.25,xI,yI=1.25;
|
|
REAL xCenter, yCenter, delta=(REAL)(0.2/pow(2.5,iColor));
|
|
REAL scrnx=(REAL)(rc.right-rc.left), scrny=(REAL)(rc.bottom-rc.top);
|
|
REAL nx=scrnx,ny=scrny;
|
|
int niter=45+8*(iColor+1),i,ncolors=28;
|
|
Bitmap bitmap((int)nx, (int)ny, PixelFormat32bppARGB);
|
|
|
|
if (fMandelbrot)
|
|
{
|
|
xCenter=(REAL)-0.561;
|
|
yCenter=(REAL)-0.6432;
|
|
x0 = (REAL)-1.75;
|
|
xI = (REAL)1.0;
|
|
}
|
|
else
|
|
{
|
|
x0 = (REAL)-1.25;
|
|
xI = (REAL)1.25;
|
|
xCenter=(REAL)-0.11014;
|
|
yCenter=(REAL)-0.509;
|
|
}
|
|
if (iColor > 0)
|
|
{
|
|
x0=(REAL)(xCenter-delta);
|
|
xI=(REAL)(xCenter+delta);
|
|
y0=(REAL)(yCenter-delta);
|
|
yI=(REAL)(yCenter+delta);
|
|
}
|
|
|
|
// bitmap.LockBits
|
|
|
|
/* SolidBrush brushs[] =
|
|
{SolidBrush(Color(255,128,0,0)),
|
|
SolidBrush(Color(255,255,0,0)),
|
|
SolidBrush(Color(255,0,128,0)),
|
|
SolidBrush(Color(255,0,255,0)),
|
|
SolidBrush(Color(255,0,0,128)),
|
|
SolidBrush(Color(255,0,0,255)),
|
|
SolidBrush(Color(255,128,128,0)),
|
|
SolidBrush(Color(255,255,255,0)),
|
|
SolidBrush(Color(255,0,128,128)),
|
|
SolidBrush(Color(255,0,255,255)),
|
|
SolidBrush(Color(255,128,0,128)),
|
|
SolidBrush(Color(255,255,0,255))};
|
|
SolidBrush brushs[] =
|
|
{SolidBrush(Color(255,248,40,18)),
|
|
SolidBrush(Color(255,245,117,21)),
|
|
SolidBrush(Color(255,255,171,18)),
|
|
SolidBrush(Color(255,246,235,20)),
|
|
SolidBrush(Color(255,213,255,13)),
|
|
SolidBrush(Color(255,93,253,13)),
|
|
SolidBrush(Color(255,13,253,218)),
|
|
SolidBrush(Color(255,14,190,252)),
|
|
SolidBrush(Color(255,15,116,255)),
|
|
SolidBrush(Color(255,15,15,255)),
|
|
SolidBrush(Color(255,207,15,250)),
|
|
SolidBrush(Color(255,255,80,245))};
|
|
Color colors[] =
|
|
{Color(255,248,40,18),
|
|
Color(255,245,117,21),
|
|
Color(255,255,171,18),
|
|
Color(255,246,235,20),
|
|
Color(255,213,255,13),
|
|
Color(255,93,253,13),
|
|
Color(255,13,253,218),
|
|
Color(255,14,190,252),
|
|
Color(255,15,116,255),
|
|
Color(255,15,15,255),
|
|
Color(255,207,15,250),
|
|
Color(255,255,80,245)};
|
|
Color colors[] =
|
|
{Color(255,0,0,0),
|
|
Color(255,0,0,180),
|
|
Color(255,0,30,150),
|
|
Color(255,0,60,120),
|
|
Color(255,0,90,90),
|
|
Color(255,0,120,60),
|
|
Color(255,0,150,30),
|
|
Color(255,0,180,0),
|
|
Color(255,30,150,0),
|
|
Color(255,60,120,0),
|
|
Color(255,90,90,0),
|
|
Color(255,120,60,0),
|
|
Color(255,150,30,0),
|
|
Color(255,180,0,0),
|
|
Color(255,150,0,30),
|
|
Color(255,120,0,60),
|
|
Color(255,90,0,90),
|
|
Color(255,60,0,120),
|
|
Color(255,30,0,150)};
|
|
*/ Color colors[] =
|
|
{Color(255,0,0,0),
|
|
Color(255,0,0,180),
|
|
Color(255,0,20,160),
|
|
Color(255,0,40,140),
|
|
Color(255,0,60,120),
|
|
Color(255,0,80,100),
|
|
Color(255,0,100,80),
|
|
Color(255,0,120,60),
|
|
Color(255,0,140,40),
|
|
Color(255,0,160,20),
|
|
Color(255,0,180,0),
|
|
Color(255,20,160,0),
|
|
Color(255,40,140,0),
|
|
Color(255,60,120,0),
|
|
Color(255,80,100,0),
|
|
Color(255,100,80,0),
|
|
Color(255,120,60,0),
|
|
Color(255,140,40,0),
|
|
Color(255,160,20,0),
|
|
Color(255,180,0,0),
|
|
Color(255,160,0,20),
|
|
Color(255,140,0,40),
|
|
Color(255,120,0,60),
|
|
Color(255,100,0,80),
|
|
Color(255,80,0,100),
|
|
Color(255,60,0,120),
|
|
Color(255,40,0,140),
|
|
Color(255,20,0,160),
|
|
};
|
|
/* Color colors[] =
|
|
{Color(255,0,0,0),
|
|
Color(255,0,89,186),
|
|
Color(255,0,155,186),
|
|
Color(255,0,186,155),
|
|
Color(255,0,186,27),
|
|
Color(255,186,186,0),
|
|
Color(255,186,155,0),
|
|
Color(255,186,118,0),
|
|
Color(255,186,60,0),
|
|
Color(255,186,0,0),
|
|
Color(255,186,0,186),
|
|
Color(255,97,0,186),
|
|
Color(255,0,4,186)};
|
|
|
|
Color colors[2];
|
|
colors[0]=Color(255,rand()%256,rand()%256,rand()%256);
|
|
*/
|
|
REAL dx,dy,px,py,x,y;
|
|
REAL xx,yy,xsquared,ysquared;
|
|
|
|
dx=(xI-x0)/nx;
|
|
dy=(yI-y0)/ny;
|
|
|
|
for (py=0; py<ny; py++)
|
|
{
|
|
MSG msg;
|
|
|
|
if ((int)py % 50 == 0 &&
|
|
PeekMessage(&msg, hwnd, WM_KEYFIRST, WM_MOUSELAST, PM_NOREMOVE))
|
|
return;
|
|
|
|
for (px=0; px<nx; px++)
|
|
{
|
|
x=x0+(px*dx);
|
|
y=y0+(py*dy);
|
|
|
|
if (fMandelbrot)
|
|
{
|
|
cx=x;
|
|
cy=y;
|
|
x=0;
|
|
y=0;
|
|
}
|
|
|
|
xsquared=0;
|
|
ysquared=0;
|
|
|
|
for(i=0; (i<niter)&&(xsquared+ysquared < 4); i++)
|
|
{
|
|
xsquared= x*x;
|
|
ysquared= y*y;
|
|
xx=xsquared - ysquared + cx;
|
|
yy = x * y * 2 + cy;
|
|
x = xx;
|
|
y = yy;
|
|
}
|
|
|
|
if (i==niter)
|
|
i = 0;
|
|
else
|
|
i = (i % (ncolors-1)) + 1;
|
|
|
|
bitmap.SetPixel((int)px, (int)py, colors[i]);
|
|
|
|
// g->FillRectangle((Brush*)&(brushs[i]), (int)px,(int)py,(int)1,(int)1);
|
|
|
|
}
|
|
}
|
|
|
|
g.DrawImage(&bitmap, 0,0);
|
|
}
|
|
|
|
//index must be in range 0...5f9 (length 5fa)
|
|
|
|
//#define PLASMA_INDEX_MOD 0x5fa
|
|
//#define PLASMA_INDEX_MOD 0x2fd
|
|
INT PLASMA_TYPE;
|
|
INT PLASMA_INDEX_MOD;
|
|
ARGB IndexToSpectrum(INT index)
|
|
{
|
|
//index = (index + PLASMA_INDEX_MOD) % PLASMA_INDEX_MOD;
|
|
|
|
if ((index < 0) || (index >= PLASMA_INDEX_MOD))
|
|
DebugBreak();
|
|
|
|
INT r,g,b;
|
|
|
|
switch (PLASMA_TYPE)
|
|
{
|
|
case 0:
|
|
|
|
r = max(0, min(0xff, (0x1fe - abs(0x2fd - ((index+0x2fd) % PLASMA_INDEX_MOD)))));
|
|
g = max(0, min(0xff, (0x1fe - abs(0x2fd - ((index+0xff) % PLASMA_INDEX_MOD)))));
|
|
b = max(0, min(0xff, (0x1fe - abs(0x2fd - ((index+0x4fb) % PLASMA_INDEX_MOD)))));
|
|
|
|
if (!((r == 0xff) || (g == 0xff) || (b == 0xff)))
|
|
DebugBreak();
|
|
|
|
if ((r == 0xff) && (g == 0) && (b == 0) && (index != 0))
|
|
DebugBreak();
|
|
break;
|
|
case 1:
|
|
r = 0;
|
|
g = 0;
|
|
b = 0;
|
|
|
|
if (index < 0xff)
|
|
{
|
|
r = 0xff - index;
|
|
g = index;
|
|
}
|
|
else if (index < 0x1fe)
|
|
{
|
|
g = 0xff - (index - 0xff);
|
|
b = index - 0xff;
|
|
}
|
|
else
|
|
{
|
|
b = 0xff - (index - 0x1fe);
|
|
r = index - 0x1fe;
|
|
}
|
|
break;
|
|
case 2:
|
|
r = 0xff;
|
|
b = 0xff;
|
|
g = 0xff;
|
|
|
|
if (index < 0xff)
|
|
{
|
|
r = index;
|
|
g = 0xff - index;
|
|
}
|
|
else if (index < 0x1fe)
|
|
{
|
|
g = index - 0xff;
|
|
b = 0xff - (index - 0xff);
|
|
}
|
|
else
|
|
{
|
|
b = index - 0x1fe;
|
|
r = 0xff - (index - 0x1fe);
|
|
}
|
|
break;
|
|
}
|
|
/*
|
|
return (0xff000000 |
|
|
(BYTE)r << 16 |
|
|
(BYTE)g << 8 |
|
|
(BYTE)b);
|
|
*/
|
|
|
|
return (((rand() % 255) + 1) << 24 |
|
|
(BYTE)r << 16 |
|
|
(BYTE)g << 8 |
|
|
(BYTE)b);
|
|
|
|
}
|
|
|
|
INT SpectrumToIndex(ARGB argb)
|
|
{
|
|
|
|
BYTE r = (BYTE)((argb & 0x00ff0000) >> 16);
|
|
BYTE g = (BYTE)((argb & 0x0000ff00) >> 8);
|
|
BYTE b = (BYTE)(argb & 0x000000ff);
|
|
|
|
switch(PLASMA_TYPE)
|
|
{
|
|
case 0:
|
|
//Is red high?
|
|
if (0xff == r)
|
|
{
|
|
//...and is blue present?
|
|
if (b > 0)
|
|
{
|
|
return PLASMA_INDEX_MOD - b;
|
|
}
|
|
else
|
|
{
|
|
return g;
|
|
}
|
|
}
|
|
//how 'bout green?
|
|
if (0xff == g)
|
|
{
|
|
if (r > 0)
|
|
{
|
|
return 0x1fe - r;
|
|
}
|
|
else
|
|
{
|
|
return 0x1fe + b;
|
|
}
|
|
}
|
|
//else blue
|
|
if (0xff == b)
|
|
{
|
|
if (g > 0)
|
|
{
|
|
return 0x3fc - g;
|
|
}
|
|
else
|
|
{
|
|
return 0x3fc + r;
|
|
}
|
|
}
|
|
|
|
//WTH?
|
|
DebugBreak();
|
|
|
|
break;
|
|
case 1:
|
|
|
|
if (r == 0xff)
|
|
{
|
|
return 0;
|
|
}
|
|
if (g != 0)
|
|
{
|
|
if (r > 0)
|
|
{
|
|
return g;
|
|
}
|
|
else
|
|
{
|
|
return 0xff + b;
|
|
}
|
|
}
|
|
if (b != 0)
|
|
{
|
|
return 0x1fe + r;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (b == 0xff)
|
|
{
|
|
return r;
|
|
}
|
|
if (r == 0xff)
|
|
{
|
|
return 0xff + g;
|
|
}
|
|
if (g == 0xff)
|
|
{
|
|
return 0x1fe + b;
|
|
}
|
|
break;
|
|
}
|
|
|
|
DebugBreak();
|
|
return -1;
|
|
}
|
|
|
|
INT MakeColor(INT c1, INT c2, INT deltamax)
|
|
{
|
|
INT c = ((c1 + c2) >> 1) + ((deltamax > 0) ? ((rand() % (2*deltamax)) - deltamax) : 0);
|
|
|
|
if (c < 0)
|
|
c = 0;
|
|
|
|
if (c > (PLASMA_INDEX_MOD - 1))
|
|
c = PLASMA_INDEX_MOD - 1;
|
|
|
|
if ((c < 0) || (c > PLASMA_INDEX_MOD - 1))
|
|
DebugBreak();
|
|
|
|
return c;
|
|
}
|
|
|
|
INT MakeColor(INT c1, INT c2, INT c3, INT c4, INT deltamax)
|
|
{
|
|
INT c = ((c1 + c2 + c3 + c4) >> 2) + ((deltamax > 0) ? ((rand() % (2*deltamax)) - deltamax) : 0);
|
|
|
|
if (c < 0)
|
|
c = 0;
|
|
|
|
if (c > (PLASMA_INDEX_MOD - 1))
|
|
c = PLASMA_INDEX_MOD - 1;
|
|
|
|
|
|
if ((c < 0) || (c > PLASMA_INDEX_MOD - 1))
|
|
DebugBreak();
|
|
|
|
return c;
|
|
}
|
|
|
|
BYTE MakeAlpha(BYTE a1, BYTE a2, INT deltamax)
|
|
{
|
|
deltamax = (deltamax * 0xff) / PLASMA_INDEX_MOD;
|
|
|
|
BYTE a = (((int)a1 + (int)a2) >> 1) + ((deltamax > 0) ? ((rand() % (2*deltamax)) - deltamax) : 0);
|
|
|
|
if (a < 1)
|
|
a = 1;
|
|
|
|
if (a > 0xff)
|
|
a = 0xff;
|
|
|
|
return a;
|
|
}
|
|
|
|
BYTE MakeAlpha(BYTE a1, BYTE a2, BYTE a3, BYTE a4, INT deltamax)
|
|
{
|
|
deltamax = (deltamax * 0xff) / PLASMA_INDEX_MOD;
|
|
|
|
BYTE a = (((int)a1 + (int)a2 + (int)a3 + (int)a4) >> 2) + ((deltamax > 0) ? ((rand() % (2*deltamax)) - deltamax) : 0);
|
|
|
|
if (a < 1)
|
|
a = 1;
|
|
|
|
if (a > 0xff)
|
|
a = 0xff;
|
|
|
|
return a;
|
|
}
|
|
|
|
//Note that this only works on squares! You want something else? Scale the graphics.
|
|
//BOOL HalfPlasma(HWND& hwnd, Graphics& g,BitmapData &bmpd, INT x0, INT y0, INT x1, INT y1, const Color& c00, const Color& c10, const Color& c01, const Color& c11,REAL scale)
|
|
BOOL HalfPlasma(HWND& hwnd, Graphics& g,BitmapData &bmpd, INT x0, INT y0, INT x1, INT y1,REAL scale)
|
|
{
|
|
MSG msg;
|
|
|
|
// Drawing takes a long time, so check for queued message periodically
|
|
if (PeekMessage(&msg, hwnd, WM_KEYFIRST, WM_MOUSELAST, PM_NOREMOVE))
|
|
return FALSE;
|
|
|
|
if (((x0 + 1) >= x1) &&
|
|
((y0 + 1) >= y1))
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
INT c00 = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x0));
|
|
INT c10 = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x1));
|
|
INT c01 = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x0));
|
|
INT c11 = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x1));
|
|
INT ch0, c0h, c1h, ch1, chh;
|
|
|
|
BYTE a00 = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x0) & 0xff000000) >> 24);
|
|
BYTE a10 = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x1) & 0xff000000) >> 24);
|
|
BYTE a01 = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x0) & 0xff000000) >> 24);
|
|
BYTE a11 = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x1) & 0xff000000) >> 24);
|
|
BYTE ah0, a0h, a1h, ah1, ahh;
|
|
|
|
INT deltamax = (INT)((x1 - x0)/scale);
|
|
INT half = (x1 + 1 - x0) >> 1;
|
|
INT xh = x0 + half;
|
|
INT yh = y0 + half;
|
|
|
|
if (0 == (*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + xh) & 0xff000000))
|
|
{
|
|
ch0 = MakeColor(c00,c10,deltamax);
|
|
ah0 = MakeAlpha(a00,a10,deltamax);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + xh) = (IndexToSpectrum(ch0) & 0x00ffffff) | (ah0 << 24);
|
|
}
|
|
else
|
|
{
|
|
ch0 = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + xh));
|
|
ah0 = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + xh) & 0xff000000) >> 24);
|
|
}
|
|
|
|
if (0 == (*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x0) & 0xff000000))
|
|
{
|
|
c0h = MakeColor(c00, c01, deltamax);
|
|
a0h = MakeAlpha(a00, a01, deltamax);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x0) = (IndexToSpectrum(c0h) & 0x00ffffff) | (a0h << 24);
|
|
}
|
|
else
|
|
{
|
|
c0h = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x0));
|
|
a0h = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x0) & 0xff000000) >> 24);
|
|
}
|
|
|
|
if (0 == (*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x1) & 0xff000000))
|
|
{
|
|
c1h = MakeColor(c10,c11,deltamax);
|
|
a1h = MakeAlpha(a10,a11,deltamax);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x1) = (IndexToSpectrum(c1h) & 0x00ffffff) | (a1h << 24);
|
|
}
|
|
else
|
|
{
|
|
c1h = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x1));
|
|
a1h = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + x1) & 0xff000000) >> 24);
|
|
}
|
|
|
|
if (0 == (*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + xh) & 0xff000000))
|
|
{
|
|
ch1 = MakeColor(c01,c11,deltamax);
|
|
ah1 = MakeAlpha(a01,a11,deltamax);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + xh) = (IndexToSpectrum(ch1) & 0x00ffffff) | (ah1 << 24);
|
|
}
|
|
else
|
|
{
|
|
ch1 = SpectrumToIndex(*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + xh));
|
|
ah1 = (BYTE)((*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + xh) & 0xff000000) >> 24);
|
|
}
|
|
|
|
if (0 == (*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + xh) & 0xff000000))
|
|
{
|
|
chh = MakeColor(ch0,c0h,c1h,ch1,deltamax);
|
|
ahh = MakeAlpha(ah0,a0h,a1h,ah1,deltamax);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + yh*bmpd.Stride) + xh) = (IndexToSpectrum(chh) & 0x00ffffff) | (ahh << 24);
|
|
}
|
|
|
|
if (!HalfPlasma(hwnd, g, bmpd,x0,y0,xh,yh,scale)) return FALSE;
|
|
if (!HalfPlasma(hwnd, g, bmpd,xh,y0,x1,yh,scale)) return FALSE;
|
|
if (!HalfPlasma(hwnd, g, bmpd,x0,yh,xh,y1,scale)) return FALSE;
|
|
if (!HalfPlasma(hwnd, g, bmpd,xh,yh,x1,y1,scale)) return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
INT fx = 0;
|
|
INT fy = 0;
|
|
|
|
VOID DrawPlasma(HDC hDC, HWND hwnd, RECT rc, int iColor)
|
|
{
|
|
Graphics g(hDC);
|
|
INT x0,y0,x1,y1;
|
|
REAL scale;
|
|
BYTE alpha = 255;
|
|
BOOL abort = FALSE;
|
|
|
|
INT w = 1;
|
|
INT size = min((rc.right - rc.left), (rc.bottom-rc.top));
|
|
|
|
while(size > 0)
|
|
{
|
|
size >>= 1;
|
|
w <<= 1;
|
|
}
|
|
|
|
if (rand() % 2)
|
|
{
|
|
w = min(w,1 << ((rand() % 5) + 4));
|
|
}
|
|
else
|
|
{
|
|
w = min(w,32);
|
|
}
|
|
|
|
|
|
Bitmap bmp(w,w,PixelFormat32bppARGB);
|
|
Rect rect(0,0,w,w);
|
|
BitmapData bmpd;
|
|
bmp.LockBits(rect,0,PixelFormat32bppARGB,&bmpd);
|
|
|
|
for (INT x = 0; x < w; x++)
|
|
{
|
|
for (INT y = 0; y < w; y++)
|
|
{
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y*bmpd.Stride) + x) = Color::MakeARGB(0,0,0,0);
|
|
}
|
|
}
|
|
|
|
x0 = 0;
|
|
y0 = 0;
|
|
x1 = x0 + w - 1;
|
|
y1 = y0 + w - 1;
|
|
|
|
switch(PLASMA_TYPE = (rand() % 3))
|
|
{
|
|
case 0:
|
|
PLASMA_INDEX_MOD = 0x5fa;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
PLASMA_INDEX_MOD = 0x2fd;
|
|
break;
|
|
}
|
|
|
|
scale = ((REAL)(w))/((REAL)PLASMA_INDEX_MOD);
|
|
REAL sx = ((REAL)(rc.right-rc.left))/((REAL)(x1 - x0 + 1));
|
|
REAL sy = ((REAL)(rc.bottom-rc.top))/((REAL)(y1 - y0 + 1));
|
|
|
|
g.SetSmoothingMode(SmoothingModeAntiAlias);
|
|
|
|
BYTE intMode = rand() % 3;
|
|
|
|
switch(intMode)
|
|
{
|
|
case 2:
|
|
g.SetInterpolationMode(InterpolationModeHighQualityBicubic);
|
|
break;
|
|
case 1:
|
|
g.SetInterpolationMode(InterpolationModeHighQualityBilinear);
|
|
break;
|
|
case 0:
|
|
g.SetInterpolationMode(InterpolationModeNearestNeighbor);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x0) = IndexToSpectrum(rand() % PLASMA_INDEX_MOD) ;
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x1) = IndexToSpectrum(rand() % PLASMA_INDEX_MOD);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x0) = IndexToSpectrum(rand() % PLASMA_INDEX_MOD);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x1) = IndexToSpectrum(rand() % PLASMA_INDEX_MOD);
|
|
*/
|
|
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x0) = (IndexToSpectrum(rand() % PLASMA_INDEX_MOD) & 0x00ffffff) | ((rand() % 255) << 24);
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y0*bmpd.Stride) + x1) = (IndexToSpectrum(rand() % PLASMA_INDEX_MOD) & 0x00ffffff) | ((rand() % 255) << 24);;
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x0) = (IndexToSpectrum(rand() % PLASMA_INDEX_MOD) & 0x00ffffff) | ((rand() % 255) << 24);;
|
|
*((ARGB*)((BYTE*)bmpd.Scan0 + y1*bmpd.Stride) + x1) = (IndexToSpectrum(rand() % PLASMA_INDEX_MOD) & 0x00ffffff) | ((rand() % 255) << 24);;
|
|
|
|
abort = !HalfPlasma(hwnd,g,bmpd,x0,y0,x1,y1,scale);
|
|
|
|
bmp.UnlockBits(&bmpd);
|
|
|
|
PointF points[3];
|
|
|
|
if (!abort)
|
|
{
|
|
|
|
// Get some good random points. Limit angles to be > 20 degrees, so
|
|
// there are no skinny rects
|
|
for (int j = 0; j <= 20; j++)
|
|
{
|
|
for (int i = 0; i<= 2; i++)
|
|
{
|
|
points[i].X = (REAL)(rand() % (rc.right - rc.left));
|
|
points[i].Y = (REAL)(rand() % (rc.bottom - rc.top));
|
|
}
|
|
|
|
double a,b,c,cosa,cosb,cosc;
|
|
|
|
a = sqrt(pow(points[0].X - points[1].X, 2) + pow(points[0].Y - points[1].Y, 2));
|
|
b = sqrt(pow(points[2].X - points[1].X, 2) + pow(points[2].Y - points[1].Y, 2));
|
|
c = sqrt(pow(points[0].X - points[2].X, 2) + pow(points[0].Y - points[2].Y, 2));
|
|
int iMinLen = (int)min(a,min(b,c));
|
|
|
|
cosa = (pow(a,2) - pow(b,2) - pow(c,2)) / (-2 * b * c);
|
|
cosb = (pow(b,2) - pow(a,2) - pow(c,2)) / (-2 * a * c);
|
|
cosc = (pow(c,2) - pow(a,2) - pow(b,2)) / (-2 * a * b);
|
|
if ((fabs(cosa) < 0.939) &&
|
|
(fabs(cosb) < 0.939) &&
|
|
(fabs(cosc) < 0.939) &&
|
|
(a > 35))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
//g.DrawImage(&bmp,points,3);
|
|
INT halfKernel = intMode;
|
|
g.DrawImage(&bmp, points, 3, (REAL)-halfKernel, (REAL)-halfKernel,
|
|
(REAL)(w+halfKernel), (REAL)(w+halfKernel), UnitPixel, NULL, NULL, NULL);
|
|
}
|
|
}
|
|
|
|
VOID GetFractalConfig (DWORD *nType, DWORD *nSize)
|
|
{
|
|
|
|
#define MYBUFFSIZE 32
|
|
|
|
HKEY hKey;
|
|
HRESULT hr;
|
|
DWORD dwType;
|
|
DWORD dwBuffLen = sizeof(DWORD);
|
|
|
|
hr = RegCreateKeyEx(HKEY_CURRENT_USER,
|
|
HKEY_PREFERENCES,
|
|
NULL,NULL,
|
|
REG_OPTION_NON_VOLATILE,
|
|
KEY_READ | KEY_WRITE,NULL,&hKey, NULL);
|
|
|
|
if (ERROR_SUCCESS != hr)
|
|
{
|
|
*nSize = 4;
|
|
*nType = 0;
|
|
goto Done;
|
|
}
|
|
|
|
hr = RegQueryValueEx(hKey, TEXT("FractalScnSvrType"),NULL,&dwType,
|
|
(LPBYTE)nType, &dwBuffLen);
|
|
|
|
if (ERROR_SUCCESS != hr || dwType != REG_DWORD)
|
|
{
|
|
*nSize = 4;
|
|
*nType = 0;
|
|
goto Done;
|
|
}
|
|
|
|
dwBuffLen = MYBUFFSIZE;
|
|
|
|
hr = RegQueryValueEx(hKey, TEXT("FractalScnSvrNumber"),NULL,&dwType,
|
|
(LPBYTE)nSize, &dwBuffLen);
|
|
|
|
if (ERROR_SUCCESS != hr || dwType != REG_DWORD)
|
|
{
|
|
*nSize = 4;
|
|
}
|
|
Done:
|
|
RegCloseKey(hKey);
|
|
|
|
}
|
|
|
|
VOID SetFractalConfig (DWORD nType, DWORD nSize)
|
|
{
|
|
HKEY hKey;
|
|
HRESULT hr;
|
|
DWORD dwType = REG_DWORD;
|
|
|
|
hr = RegCreateKeyEx(HKEY_CURRENT_USER,
|
|
HKEY_PREFERENCES,
|
|
NULL,NULL,
|
|
REG_OPTION_NON_VOLATILE,
|
|
KEY_READ | KEY_WRITE,NULL,&hKey, NULL);
|
|
|
|
if (ERROR_SUCCESS != hr)
|
|
{
|
|
goto Done;
|
|
}
|
|
|
|
hr = RegSetValueEx(hKey, TEXT("FractalScnSvrType"),NULL,dwType,
|
|
(LPBYTE)&nType, sizeof(DWORD));
|
|
|
|
if (ERROR_SUCCESS != hr || dwType != REG_DWORD)
|
|
{
|
|
goto Done;
|
|
}
|
|
|
|
hr = RegSetValueEx(hKey, TEXT("FractalScnSvrNumber"),NULL,dwType,
|
|
(LPBYTE)&nSize, sizeof(DWORD));
|
|
|
|
Done:
|
|
RegCloseKey(hKey);
|
|
|
|
|
|
}
|
|
|