SDL_dibvideo.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:25k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_dibvideo.c,v 1.4 2002/04/22 21:38:05 wmay Exp $";
- #endif
- #include <stdio.h>
- #include <stdlib.h>
- #include <malloc.h>
- #include <windows.h>
- /* Not yet in the mingw32 cross-compile headers */
- #ifndef CDS_FULLSCREEN
- #define CDS_FULLSCREEN 4
- #endif
- #include "SDL.h"
- #include "SDL_mutex.h"
- #include "SDL_syswm.h"
- #include "SDL_sysvideo.h"
- #include "SDL_sysevents.h"
- #include "SDL_events_c.h"
- #include "SDL_pixels_c.h"
- #include "SDL_dibvideo.h"
- #include "SDL_syswm_c.h"
- #include "SDL_sysmouse_c.h"
- #include "SDL_dibevents_c.h"
- #include "SDL_wingl_c.h"
- #ifdef _WIN32_WCE
- #define NO_GETDIBITS
- #define NO_CHANGEDISPLAYSETTINGS
- #define NO_GAMMA_SUPPORT
- #endif
- /* Initialization/Query functions */
- static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat);
- static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
- SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
- static int DIB_SetColors(_THIS, int firstcolor, int ncolors,
- SDL_Color *colors);
- static void DIB_CheckGamma(_THIS);
- void DIB_SwapGamma(_THIS);
- void DIB_QuitGamma(_THIS);
- int DIB_SetGammaRamp(_THIS, Uint16 *ramp);
- int DIB_GetGammaRamp(_THIS, Uint16 *ramp);
- static void DIB_VideoQuit(_THIS);
- /* Hardware surface functions */
- static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface);
- static int DIB_LockHWSurface(_THIS, SDL_Surface *surface);
- static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface);
- static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface);
- /* Windows message handling functions */
- static void DIB_RealizePalette(_THIS);
- static void DIB_PaletteChanged(_THIS, HWND window);
- static void DIB_WinPAINT(_THIS, HDC hdc);
- /* helper fn */
- static int DIB_SussScreenDepth();
- /* DIB driver bootstrap functions */
- static int DIB_Available(void)
- {
- return(1);
- }
- static void DIB_DeleteDevice(SDL_VideoDevice *device)
- {
- if ( device ) {
- if ( device->hidden ) {
- free(device->hidden);
- }
- if ( device->gl_data ) {
- free(device->gl_data);
- }
- free(device);
- }
- }
- static SDL_VideoDevice *DIB_CreateDevice(int devindex)
- {
- SDL_VideoDevice *device;
- /* Initialize all variables that we clean on shutdown */
- device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
- if ( device ) {
- memset(device, 0, (sizeof *device));
- device->hidden = (struct SDL_PrivateVideoData *)
- malloc((sizeof *device->hidden));
- device->gl_data = (struct SDL_PrivateGLData *)
- malloc((sizeof *device->gl_data));
- }
- if ( (device == NULL) || (device->hidden == NULL) ||
- (device->gl_data == NULL) ) {
- SDL_OutOfMemory();
- DIB_DeleteDevice(device);
- return(NULL);
- }
- memset(device->hidden, 0, (sizeof *device->hidden));
- memset(device->gl_data, 0, (sizeof *device->gl_data));
- /* Set the function pointers */
- device->VideoInit = DIB_VideoInit;
- device->ListModes = DIB_ListModes;
- device->SetVideoMode = DIB_SetVideoMode;
- device->UpdateMouse = WIN_UpdateMouse;
- device->SetColors = DIB_SetColors;
- device->UpdateRects = NULL;
- device->VideoQuit = DIB_VideoQuit;
- device->AllocHWSurface = DIB_AllocHWSurface;
- device->CheckHWBlit = NULL;
- device->FillHWRect = NULL;
- device->SetHWColorKey = NULL;
- device->SetHWAlpha = NULL;
- device->LockHWSurface = DIB_LockHWSurface;
- device->UnlockHWSurface = DIB_UnlockHWSurface;
- device->FlipHWSurface = NULL;
- device->FreeHWSurface = DIB_FreeHWSurface;
- device->SetGammaRamp = DIB_SetGammaRamp;
- device->GetGammaRamp = DIB_GetGammaRamp;
- #ifdef HAVE_OPENGL
- device->GL_LoadLibrary = WIN_GL_LoadLibrary;
- device->GL_GetProcAddress = WIN_GL_GetProcAddress;
- device->GL_GetAttribute = WIN_GL_GetAttribute;
- device->GL_MakeCurrent = WIN_GL_MakeCurrent;
- device->GL_SwapBuffers = WIN_GL_SwapBuffers;
- #endif
- device->SetCaption = WIN_SetWMCaption;
- device->SetIcon = WIN_SetWMIcon;
- device->IconifyWindow = WIN_IconifyWindow;
- device->GrabInput = WIN_GrabInput;
- device->GetWMInfo = WIN_GetWMInfo;
- device->FreeWMCursor = WIN_FreeWMCursor;
- device->CreateWMCursor = WIN_CreateWMCursor;
- device->ShowWMCursor = WIN_ShowWMCursor;
- device->WarpWMCursor = WIN_WarpWMCursor;
- device->CheckMouseMode = WIN_CheckMouseMode;
- device->InitOSKeymap = DIB_InitOSKeymap;
- device->PumpEvents = DIB_PumpEvents;
- /* Set up the windows message handling functions */
- WIN_RealizePalette = DIB_RealizePalette;
- WIN_PaletteChanged = DIB_PaletteChanged;
- WIN_WinPAINT = DIB_WinPAINT;
- HandleMessage = DIB_HandleMessage;
- device->free = DIB_DeleteDevice;
- /* We're finally ready */
- return device;
- }
- VideoBootStrap WINDIB_bootstrap = {
- "windib", "Win95/98/NT/2000 GDI",
- DIB_Available, DIB_CreateDevice
- };
- #ifndef NO_CHANGEDISPLAYSETTINGS
- static int cmpmodes(const void *va, const void *vb)
- {
- SDL_Rect *a = *(SDL_Rect **)va;
- SDL_Rect *b = *(SDL_Rect **)vb;
- if(a->w > b->w)
- return -1;
- return b->h - a->h;
- }
- static int DIB_AddMode(_THIS, int bpp, int w, int h)
- {
- SDL_Rect *mode;
- int i, index;
- int next_mode;
- /* Check to see if we already have this mode */
- if ( bpp < 8 ) { /* Not supported */
- return(0);
- }
- index = ((bpp+7)/8)-1;
- for ( i=0; i<SDL_nummodes[index]; ++i ) {
- mode = SDL_modelist[index][i];
- if ( (mode->w == w) && (mode->h == h) ) {
- return(0);
- }
- }
- /* Set up the new video mode rectangle */
- mode = (SDL_Rect *)malloc(sizeof *mode);
- if ( mode == NULL ) {
- SDL_OutOfMemory();
- return(-1);
- }
- mode->x = 0;
- mode->y = 0;
- mode->w = w;
- mode->h = h;
- /* Allocate the new list of modes, and fill in the new mode */
- next_mode = SDL_nummodes[index];
- SDL_modelist[index] = (SDL_Rect **)
- realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
- if ( SDL_modelist[index] == NULL ) {
- SDL_OutOfMemory();
- SDL_nummodes[index] = 0;
- free(mode);
- return(-1);
- }
- SDL_modelist[index][next_mode] = mode;
- SDL_modelist[index][next_mode+1] = NULL;
- SDL_nummodes[index]++;
- return(0);
- }
- #endif /* !NO_CHANGEDISPLAYSETTINGS */
- static HPALETTE DIB_CreatePalette(int bpp)
- {
- /* RJR: March 28, 2000
- moved palette creation here from "DIB_VideoInit" */
- HPALETTE handle = NULL;
- if ( bpp <= 8 )
- {
- LOGPALETTE *palette;
- HDC hdc;
- int ncolors;
- int i;
- ncolors = 1;
- for ( i=0; i<bpp; ++i ) {
- ncolors *= 2;
- }
- palette = (LOGPALETTE *)malloc(sizeof(*palette)+
- ncolors*sizeof(PALETTEENTRY));
- palette->palVersion = 0x300;
- palette->palNumEntries = ncolors;
- hdc = GetDC(SDL_Window);
- GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry);
- ReleaseDC(SDL_Window, hdc);
- handle = CreatePalette(palette);
- free(palette);
- }
- return handle;
- }
- int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat)
- {
- #ifndef NO_CHANGEDISPLAYSETTINGS
- int i;
- DEVMODE settings;
- #endif
- /* Create the window */
- if ( DIB_CreateWindow(this) < 0 ) {
- return(-1);
- }
- #ifndef DISABLE_AUDIO
- DX5_SoundFocus(SDL_Window);
- #endif
- /* Determine the screen depth */
- vformat->BitsPerPixel = DIB_SussScreenDepth();
- switch (vformat->BitsPerPixel) {
- case 15:
- vformat->Rmask = 0x00007c00;
- vformat->Gmask = 0x000003e0;
- vformat->Bmask = 0x0000001f;
- vformat->BitsPerPixel = 16;
- break;
- case 16:
- vformat->Rmask = 0x0000f800;
- vformat->Gmask = 0x000007e0;
- vformat->Bmask = 0x0000001f;
- break;
- case 24:
- case 32:
- /* GDI defined as 8-8-8 */
- vformat->Rmask = 0x00ff0000;
- vformat->Gmask = 0x0000ff00;
- vformat->Bmask = 0x000000ff;
- break;
- default:
- break;
- }
- /* See if gamma is supported on this screen */
- DIB_CheckGamma(this);
- #ifndef NO_CHANGEDISPLAYSETTINGS
- /* Query for the list of available video modes */
- for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) {
- DIB_AddMode(this, settings.dmBitsPerPel,
- settings.dmPelsWidth, settings.dmPelsHeight);
- }
- /* Sort the mode lists */
- for ( i=0; i<NUM_MODELISTS; ++i ) {
- if ( SDL_nummodes[i] > 0 ) {
- qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes);
- }
- }
- #endif /* !NO_CHANGEDISPLAYSETTINGS */
- /* Grab an identity palette if we are in a palettized mode */
- if ( vformat->BitsPerPixel <= 8 ) {
- /* RJR: March 28, 2000
- moved palette creation to "DIB_CreatePalette" */
- screen_pal = DIB_CreatePalette(vformat->BitsPerPixel);
- }
- /* Fill in some window manager capabilities */
- this->info.wm_available = 1;
- /* We're done! */
- return(0);
- }
- /* We support any format at any dimension */
- SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
- {
- #ifdef NO_CHANGEDISPLAYSETTINGS
- return((SDL_Rect **)-1);
- #else
- if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
- return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
- } else {
- return((SDL_Rect **)-1);
- }
- #endif
- }
- /*
- Helper fn to work out which screen depth windows is currently using.
- 15 bit mode is considered 555 format, 16 bit is 565.
- returns 0 for unknown mode.
- (Derived from code in sept 1999 Windows Developer Journal
- http://www.wdj.com/code/archive.html)
- */
- static int DIB_SussScreenDepth()
- {
- #ifdef NO_GETDIBITS
- int depth;
- HDC hdc;
- hdc = GetDC(SDL_Window);
- depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
- ReleaseDC(SDL_Window, hdc);
- #ifndef _WIN32_WCE
- // AFAIK 16 bit CE devices have indeed RGB 565
- if ( depth == 16 ) {
- depth = 15; /* GDI defined as RGB 555 */
- }
- #endif
- return(depth);
- #else
- int dib_size;
- LPBITMAPINFOHEADER dib_hdr;
- HDC hdc;
- HBITMAP hbm;
- /* Allocate enough space for a DIB header plus palette (for
- * 8-bit modes) or bitfields (for 16- and 32-bit modes)
- */
- dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD);
- dib_hdr = (LPBITMAPINFOHEADER) malloc(dib_size);
- memset(dib_hdr, 0, dib_size);
- dib_hdr->biSize = sizeof(BITMAPINFOHEADER);
- /* Get a device-dependent bitmap that's compatible with the
- screen.
- */
- hdc = GetDC(NULL);
- hbm = CreateCompatibleBitmap( hdc, 1, 1 );
- /* Convert the DDB to a DIB. We need to call GetDIBits twice:
- * the first call just fills in the BITMAPINFOHEADER; the
- * second fills in the bitfields or palette.
- */
- GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS);
- GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS);
- DeleteObject(hbm);
- ReleaseDC(NULL, hdc);
- switch( dib_hdr->biBitCount )
- {
- case 8: return 8;
- case 24: return 24;
- case 32: return 32;
- case 16:
- if( dib_hdr->biCompression == BI_BITFIELDS ) {
- /* check the red mask */
- switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) {
- case 0xf800: return 16; /* 565 */
- case 0x7c00: return 15; /* 555 */
- }
- }
- }
- return 0; /* poo. */
- #endif /* NO_GETDIBITS */
- }
- /* Various screen update functions available */
- static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects);
- SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current,
- int width, int height, int bpp, Uint32 flags)
- {
- SDL_Surface *video;
- Uint32 prev_flags;
- DWORD style;
- const DWORD directstyle =
- (WS_POPUP);
- const DWORD windowstyle =
- (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX);
- #ifndef _WIN32_WCE
- const DWORD resizestyle =
- (WS_THICKFRAME|WS_MAXIMIZEBOX);
- #endif
- int binfo_size;
- BITMAPINFO *binfo;
- HDC hdc;
- RECT bounds;
- int x, y;
- BOOL was_visible;
- Uint32 Rmask, Gmask, Bmask;
- /* See whether or not we should center the window */
- was_visible = IsWindowVisible(SDL_Window);
- #ifdef HAVE_OPENGL
- /* Clean up any GL context that may be hanging around */
- if ( current->flags & SDL_OPENGL ) {
- WIN_GL_ShutDown(this);
- }
- #endif /* HAVE_OPENGL */
- /* Recalculate the bitmasks if necessary */
- if ( bpp == current->format->BitsPerPixel ) {
- video = current;
- } else {
- switch (bpp) {
- case 15:
- case 16:
- if ( DIB_SussScreenDepth() == 15 ) {
- /* 5-5-5 */
- Rmask = 0x00007c00;
- Gmask = 0x000003e0;
- Bmask = 0x0000001f;
- } else {
- /* 5-6-5 */
- Rmask = 0x0000f800;
- Gmask = 0x000007e0;
- Bmask = 0x0000001f;
- }
- break;
- case 24:
- case 32:
- /* GDI defined as 8-8-8 */
- Rmask = 0x00ff0000;
- Gmask = 0x0000ff00;
- Bmask = 0x000000ff;
- break;
- default:
- Rmask = 0x00000000;
- Gmask = 0x00000000;
- Bmask = 0x00000000;
- break;
- }
- video = SDL_CreateRGBSurface(SDL_SWSURFACE,
- 0, 0, bpp, Rmask, Gmask, Bmask, 0);
- if ( video == NULL ) {
- SDL_OutOfMemory();
- return(NULL);
- }
- }
- /* Fill in part of the video surface */
- prev_flags = video->flags;
- video->flags = 0; /* Clear flags */
- video->w = width;
- video->h = height;
- video->pitch = SDL_CalculatePitch(video);
- #ifndef NO_CHANGEDISPLAYSETTINGS
- /* Set fullscreen mode if appropriate */
- if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
- DEVMODE settings;
- memset(&settings, 0, sizeof(DEVMODE));
- settings.dmSize = sizeof(DEVMODE);
- settings.dmBitsPerPel = video->format->BitsPerPixel;
- settings.dmPelsWidth = width;
- settings.dmPelsHeight = height;
- settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL;
- if ( ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL ) {
- video->flags |= SDL_FULLSCREEN;
- SDL_fullscreen_mode = settings;
- }
- }
- #endif /* !NO_CHANGEDISPLAYSETTINGS */
- /* Reset the palette and create a new one if necessary */
- if ( screen_pal != NULL ) {
- /* RJR: March 28, 2000
- delete identity palette if switching from a palettized mode */
- DeleteObject(screen_pal);
- screen_pal = NULL;
- }
- if ( bpp <= 8 )
- {
- /* RJR: March 28, 2000
- create identity palette switching to a palettized mode */
- screen_pal = DIB_CreatePalette(bpp);
- }
- style = GetWindowLong(SDL_Window, GWL_STYLE);
- #ifndef _WIN32_WCE
- style &= ~(resizestyle|WS_MAXIMIZE);
- #endif
- if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
- style &= ~windowstyle;
- style |= directstyle;
- } else {
- #ifndef NO_CHANGEDISPLAYSETTINGS
- if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
- ChangeDisplaySettings(NULL, 0);
- }
- #endif
- if ( flags & SDL_NOFRAME ) {
- style &= ~windowstyle;
- style |= directstyle;
- video->flags |= SDL_NOFRAME;
- } else {
- style &= ~directstyle;
- style |= windowstyle;
- if ( flags & SDL_RESIZABLE ) {
- #ifndef _WIN32_WCE
- style |= resizestyle;
- #endif
- video->flags |= SDL_RESIZABLE;
- }
- }
- #ifndef _WIN32_WCE
- if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE;
- #endif
- }
- /* DJM: Don't piss of anyone who has setup his own window */
- if (!SDL_windowid)
- SetWindowLong(SDL_Window, GWL_STYLE, style);
- /* Delete the old bitmap if necessary */
- if ( screen_bmp != NULL ) {
- DeleteObject(screen_bmp);
- }
- if ( ! (flags & SDL_OPENGL) ) {
- BOOL is16bitmode = (video->format->BytesPerPixel == 2);
- /* Suss out the bitmap info header */
- binfo_size = sizeof(*binfo);
- if( is16bitmode ) {
- /* 16bit modes, palette area used for rgb bitmasks */
- binfo_size += 3*sizeof(DWORD);
- } else if ( video->format->palette ) {
- binfo_size += video->format->palette->ncolors *
- sizeof(RGBQUAD);
- }
- binfo = (BITMAPINFO *)malloc(binfo_size);
- if ( ! binfo ) {
- if ( video != current ) {
- SDL_FreeSurface(video);
- }
- SDL_OutOfMemory();
- return(NULL);
- }
- binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- binfo->bmiHeader.biWidth = video->w;
- binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */
- binfo->bmiHeader.biPlanes = 1;
- binfo->bmiHeader.biSizeImage = video->h * video->pitch;
- binfo->bmiHeader.biXPelsPerMeter = 0;
- binfo->bmiHeader.biYPelsPerMeter = 0;
- binfo->bmiHeader.biClrUsed = 0;
- binfo->bmiHeader.biClrImportant = 0;
- binfo->bmiHeader.biBitCount = video->format->BitsPerPixel;
- if ( is16bitmode ) {
- /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */
- binfo->bmiHeader.biCompression = BI_BITFIELDS;
- ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask;
- ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask;
- ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask;
- } else {
- binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */
- if ( video->format->palette ) {
- memset(binfo->bmiColors, 0,
- video->format->palette->ncolors*sizeof(RGBQUAD));
- }
- }
- /* Create the offscreen bitmap buffer */
- hdc = GetDC(SDL_Window);
- screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS,
- (void **)(&video->pixels), NULL, 0);
- ReleaseDC(SDL_Window, hdc);
- free(binfo);
- if ( screen_bmp == NULL ) {
- if ( video != current ) {
- SDL_FreeSurface(video);
- }
- SDL_SetError("Couldn't create DIB section");
- return(NULL);
- }
- this->UpdateRects = DIB_NormalUpdate;
- /* Set video surface flags */
- if ( bpp <= 8 ) {
- /* BitBlt() maps colors for us */
- video->flags |= SDL_HWPALETTE;
- }
- }
- /* Resize the window */
- if ( SDL_windowid == NULL ) {
- UINT swp_flags;
- SDL_resizing = 1;
- bounds.left = 0;
- bounds.top = 0;
- bounds.right = video->w;
- bounds.bottom = video->h;
- #ifndef _WIN32_WCE
- AdjustWindowRect(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE);
- #else
- AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE,0);
- #endif
- width = bounds.right-bounds.left;
- height = bounds.bottom-bounds.top;
- x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
- y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
- if ( y < 0 ) { /* Cover up title bar for more client area */
- y -= GetSystemMetrics(SM_CYCAPTION)/2;
- }
- #ifndef _WIN32_WCE
- swp_flags = (SWP_NOCOPYBITS | SWP_NOZORDER | SWP_SHOWWINDOW);
- #else
- swp_flags = (SWP_NOZORDER | SWP_SHOWWINDOW);
- #endif
- if ( was_visible && !(flags & SDL_FULLSCREEN) ) {
- swp_flags |= SWP_NOMOVE;
- }
- SetWindowPos(SDL_Window, NULL, x, y, width, height, swp_flags);
- SDL_resizing = 0;
- SetForegroundWindow(SDL_Window);
- }
- #ifdef HAVE_OPENGL
- /* Set up for OpenGL */
- if ( flags & SDL_OPENGL ) {
- if ( WIN_GL_SetupWindow(this) < 0 ) {
- return(NULL);
- }
- video->flags |= SDL_OPENGL;
- }
- #endif /* HAVE_OPENGL */
- /* We're live! */
- return(video);
- }
- /* We don't actually allow hardware surfaces in the DIB driver */
- static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface)
- {
- return(-1);
- }
- static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface)
- {
- return;
- }
- static int DIB_LockHWSurface(_THIS, SDL_Surface *surface)
- {
- return(0);
- }
- static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface)
- {
- return;
- }
- static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
- {
- HDC hdc, mdc;
- int i;
- hdc = GetDC(SDL_Window);
- if ( screen_pal ) {
- SelectPalette(hdc, screen_pal, FALSE);
- }
- mdc = CreateCompatibleDC(hdc);
- SelectObject(mdc, screen_bmp);
- for ( i=0; i<numrects; ++i ) {
- BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h,
- mdc, rects[i].x, rects[i].y, SRCCOPY);
- }
- DeleteDC(mdc);
- ReleaseDC(SDL_Window, hdc);
- }
- int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
- {
- RGBQUAD *pal;
- int i;
- #ifndef _WIN32_WCE
- HDC hdc, mdc;
- #else
- HDC hdc;
- #endif
- /* Update the display palette */
- hdc = GetDC(SDL_Window);
- if ( screen_pal ) {
- PALETTEENTRY *entries;
- entries = (PALETTEENTRY *)alloca(ncolors*sizeof(PALETTEENTRY));
- for ( i=0; i<ncolors; ++i ) {
- entries[i].peRed = colors[i].r;
- entries[i].peGreen = colors[i].g;
- entries[i].peBlue = colors[i].b;
- #ifndef _WIN32_WCE
- entries[i].peFlags = PC_NOCOLLAPSE;
- #else
- entries[i].peFlags = 0;
- #endif
- }
- SetPaletteEntries(screen_pal, firstcolor, ncolors, entries);
- SelectPalette(hdc, screen_pal, FALSE);
- RealizePalette(hdc);
- }
- /* Copy palette colors into DIB palette */
- pal = (RGBQUAD *)alloca(ncolors*sizeof(RGBQUAD));
- for ( i=0; i<ncolors; ++i ) {
- pal[i].rgbRed = colors[i].r;
- pal[i].rgbGreen = colors[i].g;
- pal[i].rgbBlue = colors[i].b;
- pal[i].rgbReserved = 0;
- }
- /* Set the DIB palette and update the display */
- #ifndef _WIN32_WCE
- mdc = CreateCompatibleDC(hdc);
- SelectObject(mdc, screen_bmp);
- SetDIBColorTable(mdc, firstcolor, ncolors, pal);
- BitBlt(hdc, 0, 0, this->screen->w, this->screen->h,
- mdc, 0, 0, SRCCOPY);
- DeleteDC(mdc);
- #endif
- ReleaseDC(SDL_Window, hdc);
- return(1);
- }
- static void DIB_CheckGamma(_THIS)
- {
- #ifndef NO_GAMMA_SUPPORT
- HDC hdc;
- WORD ramp[3*256];
- /* If we fail to get gamma, disable gamma control */
- hdc = GetDC(SDL_Window);
- if ( ! GetDeviceGammaRamp(hdc, ramp) ) {
- this->GetGammaRamp = NULL;
- this->SetGammaRamp = NULL;
- }
- ReleaseDC(SDL_Window, hdc);
- #endif /* !NO_GAMMA_SUPPORT */
- }
- void DIB_SwapGamma(_THIS)
- {
- #ifndef NO_GAMMA_SUPPORT
- HDC hdc;
- if ( gamma_saved ) {
- hdc = GetDC(SDL_Window);
- if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
- /* About to leave active state, restore gamma */
- SetDeviceGammaRamp(hdc, gamma_saved);
- } else {
- /* About to enter active state, set game gamma */
- GetDeviceGammaRamp(hdc, gamma_saved);
- SetDeviceGammaRamp(hdc, this->gamma);
- }
- ReleaseDC(SDL_Window, hdc);
- }
- #endif /* !NO_GAMMA_SUPPORT */
- }
- void DIB_QuitGamma(_THIS)
- {
- #ifndef NO_GAMMA_SUPPORT
- if ( gamma_saved ) {
- /* Restore the original gamma if necessary */
- if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
- HDC hdc;
- hdc = GetDC(SDL_Window);
- SetDeviceGammaRamp(hdc, gamma_saved);
- ReleaseDC(SDL_Window, hdc);
- }
- /* Free the saved gamma memory */
- free(gamma_saved);
- gamma_saved = 0;
- }
- #endif /* !NO_GAMMA_SUPPORT */
- }
- int DIB_SetGammaRamp(_THIS, Uint16 *ramp)
- {
- #ifdef NO_GAMMA_SUPPORT
- SDL_SetError("SDL compiled without gamma ramp support");
- return -1;
- #else
- HDC hdc;
- BOOL succeeded;
- /* Set the ramp for the display */
- if ( ! gamma_saved ) {
- gamma_saved = (WORD *)malloc(3*256*sizeof(*gamma_saved));
- if ( ! gamma_saved ) {
- SDL_OutOfMemory();
- return -1;
- }
- hdc = GetDC(SDL_Window);
- GetDeviceGammaRamp(hdc, gamma_saved);
- ReleaseDC(SDL_Window, hdc);
- }
- if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
- hdc = GetDC(SDL_Window);
- succeeded = SetDeviceGammaRamp(hdc, ramp);
- ReleaseDC(SDL_Window, hdc);
- } else {
- succeeded = TRUE;
- }
- return succeeded ? 0 : -1;
- #endif /* !NO_GAMMA_SUPPORT */
- }
- int DIB_GetGammaRamp(_THIS, Uint16 *ramp)
- {
- #ifdef NO_GAMMA_SUPPORT
- SDL_SetError("SDL compiled without gamma ramp support");
- return -1;
- #else
- HDC hdc;
- BOOL succeeded;
- /* Get the ramp from the display */
- hdc = GetDC(SDL_Window);
- succeeded = GetDeviceGammaRamp(hdc, ramp);
- ReleaseDC(SDL_Window, hdc);
- return succeeded ? 0 : -1;
- #endif /* !NO_GAMMA_SUPPORT */
- }
- void DIB_VideoQuit(_THIS)
- {
- /* Destroy the window and everything associated with it */
- if ( SDL_Window ) {
- /* Delete the screen bitmap (also frees screen->pixels) */
- if ( this->screen ) {
- #ifndef NO_CHANGEDISPLAYSETTINGS
- if ( this->screen->flags & SDL_FULLSCREEN ) {
- ChangeDisplaySettings(NULL, 0);
- }
- #endif
- #ifdef HAVE_OPENGL
- if ( this->screen->flags & SDL_OPENGL ) {
- WIN_GL_ShutDown(this);
- }
- #endif /* HAVE_OPENGL */
- this->screen->pixels = NULL;
- }
- if ( screen_bmp ) {
- DeleteObject(screen_bmp);
- screen_bmp = NULL;
- }
- if ( screen_icn ) {
- DestroyIcon(screen_icn);
- screen_icn = NULL;
- }
- DIB_QuitGamma(this);
- DIB_DestroyWindow(this);
- SDL_Window = NULL;
- }
- }
- /* Exported for the windows message loop only */
- static void DIB_FocusPalette(_THIS, int foreground)
- {
- if ( screen_pal != NULL ) {
- HDC hdc;
- hdc = GetDC(SDL_Window);
- SelectPalette(hdc, screen_pal, FALSE);
- if ( RealizePalette(hdc) )
- InvalidateRect(SDL_Window, NULL, FALSE);
- ReleaseDC(SDL_Window, hdc);
- }
- }
- static void DIB_RealizePalette(_THIS)
- {
- DIB_FocusPalette(this, 1);
- }
- static void DIB_PaletteChanged(_THIS, HWND window)
- {
- if ( window != SDL_Window ) {
- DIB_FocusPalette(this, 0);
- }
- }
- /* Exported for the windows message loop only */
- static void DIB_WinPAINT(_THIS, HDC hdc)
- {
- HDC mdc;
- if ( screen_pal ) {
- SelectPalette(hdc, screen_pal, FALSE);
- }
- mdc = CreateCompatibleDC(hdc);
- SelectObject(mdc, screen_bmp);
- BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h,
- mdc, 0, 0, SRCCOPY);
- DeleteDC(mdc);
- }
- /* Stub in case DirectX isn't available */
- #ifndef ENABLE_DIRECTX
- void DX5_SoundFocus(HWND hwnd)
- {
- return;
- }
- #endif