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advsplash.c
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C/C++ Source or Header
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2003-11-12
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9KB
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321 lines
// For layered windows
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <windowsx.h>
#include "..\exdll\exdll.h"
HINSTANCE g_hInstance;
#define RESOLUTION 32 // 30 fps ;) (32? I like SHR more than iDIV ;)
BITMAP bm;
HBITMAP g_hbm;
int g_rv;
int resolution;
int sleep_val, fadein_val, fadeout_val, state, timeleft, keycolor, nt50, alphaparam;
const char classname[4]="_sp";
typedef BOOL (_stdcall *_tSetLayeredWindowAttributesProc)(HWND hwnd, // handle to the layered window
COLORREF crKey, // specifies the color key
BYTE bAlpha, // value for the blend function
DWORD dwFlags // action
);
_tSetLayeredWindowAttributesProc SetLayeredWindowAttributesProc;
static LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
RECT r;
HDC curdc = NULL;
HDC hdc;
HBITMAP oldbm;
switch (uMsg)
{
case WM_CREATE:
SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
SetWindowLong(hwnd,GWL_STYLE,0);
SetWindowPos(hwnd,NULL,
r.left+(r.right-r.left-bm.bmWidth)/2,
r.top+(r.bottom-r.top-bm.bmHeight)/2,
bm.bmWidth,bm.bmHeight,
SWP_NOZORDER | SWP_SHOWWINDOW);
return 0;
case WM_PAINT:
curdc=BeginPaint(hwnd,&ps);
hdc=CreateCompatibleDC(curdc);
GetClientRect(hwnd,&r);
oldbm = SelectObject(hdc, g_hbm);
BitBlt(curdc,r.left,r.top,r.right-r.left,r.bottom-r.top,hdc,0,0, SRCCOPY);
SelectObject(hdc,oldbm);
DeleteDC(hdc);
EndPaint(hwnd,&ps);
case WM_CLOSE:
return 0;
case WM_TIMER:
case WM_LBUTTONDOWN:
g_rv=(uMsg == WM_LBUTTONDOWN);
DestroyWindow(hwnd);
break;
}
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
void SetTransparentRegion(HWND myWnd)
{
HDC dc;
int x, y;
HRGN region, cutrgn;
BITMAPINFO bmi;
int size = bm.bmWidth * bm.bmHeight*4;
int *bmp = GlobalAlloc(GPTR, size);
bmi.bmiHeader.biBitCount = 32;
bmi.bmiHeader.biCompression = BI_RGB;
bmi.bmiHeader.biHeight = bm.bmHeight;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi.bmiHeader.biWidth = bm.bmWidth;
bmi.bmiHeader.biClrUsed = 0;
bmi.bmiHeader.biClrImportant = 0;
dc = CreateCompatibleDC(NULL);
SelectObject(dc, g_hbm);
x = GetDIBits(dc, g_hbm, 0, bm.bmHeight, bmp, &bmi, DIB_RGB_COLORS);
region = CreateRectRgn(0,0,bm.bmWidth,bm.bmHeight);
// Search for transparent pixels
for (y = bm.bmHeight-1; y >= 0; y--)
for (x = 0; x < bm.bmWidth; )
if ((*bmp & 0xFFFFFF) == keycolor)
{
int j = x;
while ((x < bm.bmWidth) && ((*bmp & 0xFFFFFF) == keycolor)) bmp++, x++;
// Cut transparent pixels from the original region
cutrgn = CreateRectRgn(j, y, x, y+1);
CombineRgn(region, region, cutrgn, RGN_XOR);
DeleteObject(cutrgn);
} else bmp++, x++;
// Set resulting region.
SetWindowRgn(myWnd, region, TRUE);
DeleteObject(region);
DeleteObject(dc);
GlobalFree(bmp);
}
BOOL WINAPI DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
{
g_hInstance=hInst;
return TRUE;
}
void CALLBACK TimeProc(
UINT uID,
UINT uMsg,
DWORD dwUser,
DWORD dw1,
DWORD dw2)
{
int call = -1;
switch (state)
{
// FadeIN
case 0: if (timeleft == 0)
{
timeleft = sleep_val;
state++;
if (nt50) call = 255;
} else { call = ((fadein_val-timeleft)*255)/fadein_val; break; }
// Sleep
case 1: if (timeleft == 0)
{
timeleft = fadeout_val;
state++;
// fadeout
} else break;
// FadeOUT
case 2: if (timeleft == 0)
{
PostMessage((HWND)dwUser, WM_TIMER, 0, 0);
return;
} else { call = ((timeleft)*255)/fadeout_val; break; }
}
// Transparency value aquired, and could be set...
if ((call >= 0) && nt50)
SetLayeredWindowAttributesProc((HWND)dwUser, keycolor,
call,
alphaparam);
// Time is running out...
timeleft--;
}
int myatoi(char *s);
void __declspec(dllexport) show(HWND hwndParent, int string_size, char *variables, stack_t **stacktop)
{
DEVMODE dm;
char fn[MAX_PATH];
char temp[64];
g_rv = -1;
resolution = RESOLUTION;
EXDLL_INIT();
popstring(temp);
sleep_val = myatoi(temp);
popstring(temp);
fadein_val = myatoi(temp);
popstring(temp);
fadeout_val = myatoi(temp);
popstring(temp);
keycolor = myatoi(temp);
popstring(fn);
dm.dmSize = sizeof(DEVMODE);
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm);
// Check for winXP/2k at 32 bpp transparency
nt50 = (LOBYTE(LOWORD(GetVersion())) >= 5) && !((dm.dmBitsPerPel < 32) && (keycolor != -1));
if (!nt50)
{
// Fading+transparency is unsupported at old windows versions...
resolution = sleep_val + fadein_val + fadeout_val;
fadeout_val = fadein_val = 0;
sleep_val = 1;
} else
{
// div them by resolution
sleep_val >>= 5;
fadein_val >>= 5;
fadeout_val >>= 5;
alphaparam = LWA_ALPHA | ((keycolor == -1)?(0):(LWA_COLORKEY));
keycolor = ((keycolor & 0xFF) << 16) + (keycolor & 0xFF00) + ((keycolor & 0xFF0000) >> 16);
}
if (fn[0] && ((sleep_val+fadein_val+fadeout_val)>0))
{
MSG msg;
static WNDCLASS wc;
wc.lpfnWndProc = WndProc;
wc.hInstance = g_hInstance;
wc.hCursor = LoadCursor(NULL,IDC_ARROW);
wc.lpszClassName = classname;
if (RegisterClass(&wc))
{
char fn2[MAX_PATH];
lstrcpy(fn2,fn);
lstrcat(fn,".bmp");
lstrcat(fn2,".wav");
g_hbm=LoadImage(NULL,fn,IMAGE_BITMAP,0,0,LR_CREATEDIBSECTION|LR_LOADFROMFILE);
if (g_hbm)
{
HWND myWnd;
UINT timerEvent;
// Get Bitmap Information
GetObject(g_hbm, sizeof(bm), (LPSTR)&bm);
myWnd = CreateWindowEx(WS_EX_TOOLWINDOW | ((nt50)?(WS_EX_LAYERED):(0)),classname,classname,
0,0,0,0,0,(HWND)hwndParent,NULL,g_hInstance,NULL);
// Set transparency / key color
if (nt50)
{
// Get blending proc address
HANDLE user32 = GetModuleHandle("user32");
SetLayeredWindowAttributesProc = (_tSetLayeredWindowAttributesProc) GetProcAddress(user32, "SetLayeredWindowAttributes");
// Use win2k method
SetLayeredWindowAttributesProc(myWnd, keycolor,
(fadein_val > 0)?(0):(255),
alphaparam);
} else
if (keycolor != -1)
{
// transparency mode
SetTransparentRegion(myWnd);
}
PlaySound(fn2,NULL,SND_ASYNC|SND_FILENAME|SND_NODEFAULT);
// Start up timer...
state = 0; timeleft = fadein_val;
timerEvent = timeSetEvent(resolution, RESOLUTION/4, TimeProc, (DWORD_PTR)myWnd, TIME_PERIODIC);
while (IsWindow(myWnd) && GetMessage(&msg,myWnd,0,0))
{
DispatchMessage(&msg);
}
// Kill the timer...
timeKillEvent(timerEvent);
// Stop currently playing wave, we want to exit
PlaySound(0,0,0);
DeleteObject(g_hbm);
}
// We should UnRegister class, since Windows NT series never does this by itself
UnregisterClass(wc.lpszClassName, g_hInstance);
}
}
wsprintf(temp,"%d",g_rv);
pushstring(temp);
}
int myatoi(char *s)
{
unsigned int v=0;
if (*s == '0' && (s[1] == 'x' || s[1] == 'X'))
{
s+=2;
for (;;)
{
int c=*s++;
if (c >= '0' && c <= '9') c-='0';
else if (c >= 'a' && c <= 'f') c-='a'-10;
else if (c >= 'A' && c <= 'F') c-='A'-10;
else break;
v<<=4;
v+=c;
}
}
else if (*s == '0' && s[1] <= '7' && s[1] >= '0')
{
s++;
for (;;)
{
int c=*s++;
if (c >= '0' && c <= '7') c-='0';
else break;
v<<=3;
v+=c;
}
}
else
{
int sign=0;
if (*s == '-') { s++; sign++; }
for (;;)
{
int c=*s++ - '0';
if (c < 0 || c > 9) break;
v*=10;
v+=c;
}
if (sign) return -(int) v;
}
return (int)v;
}