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SDL_dibvideo.c

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1240 lines (1118 loc) · 32 KB
 
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#define WIN32_LEAN_AND_MEAN
#include <windows.h>
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/* Not yet in the mingw32 cross-compile headers */
#ifndef CDS_FULLSCREEN
#define CDS_FULLSCREEN 4
#endif
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#include "SDL_syswm.h"
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#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
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#include "SDL_dibvideo.h"
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#include "../wincommon/SDL_syswm_c.h"
#include "../wincommon/SDL_sysmouse_c.h"
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#include "SDL_dibevents_c.h"
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#include "../wincommon/SDL_wingl_c.h"
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#ifdef _WIN32_WCE
#define NO_GETDIBITS
#define NO_GAMMA_SUPPORT
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#if _WIN32_WCE < 420
#define NO_CHANGEDISPLAYSETTINGS
#else
#define ChangeDisplaySettings(lpDevMode, dwFlags) ChangeDisplaySettingsEx(NULL, (lpDevMode), 0, (dwFlags), 0)
#endif
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#endif
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#ifndef WS_MAXIMIZE
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#define WS_MAXIMIZE 0
#endif
#ifndef WS_THICKFRAME
#define WS_THICKFRAME 0
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#endif
#ifndef SWP_NOCOPYBITS
#define SWP_NOCOPYBITS 0
#endif
#ifndef PC_NOCOLLAPSE
#define PC_NOCOLLAPSE 0
#endif
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#ifdef _WIN32_WCE
// defined and used in SDL_sysevents.c
extern HINSTANCE aygshell;
#endif
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/* 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);
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void DIB_SwapGamma(_THIS);
void DIB_QuitGamma(_THIS);
int DIB_SetGammaRamp(_THIS, Uint16 *ramp);
int DIB_GetGammaRamp(_THIS, Uint16 *ramp);
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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 */
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static void DIB_GrabStaticColors(HWND window);
static void DIB_ReleaseStaticColors(HWND window);
static void DIB_Activate(_THIS, BOOL active, BOOL minimized);
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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 ) {
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SDL_free(device->hidden);
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}
if ( device->gl_data ) {
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SDL_free(device->gl_data);
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}
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SDL_free(device);
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}
}
static SDL_VideoDevice *DIB_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
/* Initialize all variables that we clean on shutdown */
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device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
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if ( device ) {
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SDL_memset(device, 0, (sizeof *device));
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device->hidden = (struct SDL_PrivateVideoData *)
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SDL_malloc((sizeof *device->hidden));
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device->gl_data = (struct SDL_PrivateGLData *)
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SDL_malloc((sizeof *device->gl_data));
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}
if ( (device == NULL) || (device->hidden == NULL) ||
(device->gl_data == NULL) ) {
SDL_OutOfMemory();
DIB_DeleteDevice(device);
return(NULL);
}
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SDL_memset(device->hidden, 0, (sizeof *device->hidden));
SDL_memset(device->gl_data, 0, (sizeof *device->gl_data));
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/* 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;
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#if SDL_VIDEO_OPENGL
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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;
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#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 */
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WIN_Activate = DIB_Activate;
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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 = {
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"windib", "Win95/98/NT/2000/CE GDI",
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DIB_Available, DIB_CreateDevice
};
static int cmpmodes(const void *va, const void *vb)
{
SDL_Rect *a = *(SDL_Rect **)va;
SDL_Rect *b = *(SDL_Rect **)vb;
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if ( a->w == b->w )
return b->h - a->h;
else
return b->w - a->w;
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}
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 */
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mode = (SDL_Rect *)SDL_malloc(sizeof *mode);
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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 **)
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SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
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if ( SDL_modelist[index] == NULL ) {
SDL_OutOfMemory();
SDL_nummodes[index] = 0;
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SDL_free(mode);
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return(-1);
}
SDL_modelist[index][next_mode] = mode;
SDL_modelist[index][next_mode+1] = NULL;
SDL_nummodes[index]++;
return(0);
}
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static void DIB_CreatePalette(_THIS, int bpp)
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{
/* RJR: March 28, 2000
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LOGPALETTE *palette;
HDC hdc;
int ncolors;
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ncolors = (1 << bpp);
palette = (LOGPALETTE *)SDL_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);
screen_pal = CreatePalette(palette);
screen_logpal = palette;
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}
int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
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const char *env = NULL;
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#ifndef NO_CHANGEDISPLAYSETTINGS
int i;
DEVMODE settings;
#endif
/* Create the window */
if ( DIB_CreateWindow(this) < 0 ) {
return(-1);
}
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#if !SDL_AUDIO_DISABLED
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DX5_SoundFocus(SDL_Window);
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#endif
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/* 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
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settings.dmSize = sizeof(DEVMODE);
settings.dmDriverExtra = 0;
#ifdef _WIN32_WCE
settings.dmFields = DM_DISPLAYQUERYORIENTATION;
this->hidden->supportRotation = ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL) == DISP_CHANGE_SUCCESSFUL;
#endif
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/* Query for the desktop resolution */
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode);
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this->info.current_w = SDL_desktop_mode.dmPelsWidth;
this->info.current_h = SDL_desktop_mode.dmPelsHeight;
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/* 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);
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#ifdef _WIN32_WCE
if( this->hidden->supportRotation )
DIB_AddMode(this, settings.dmBitsPerPel,
settings.dmPelsHeight, settings.dmPelsWidth);
#endif
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}
/* Sort the mode lists */
for ( i=0; i<NUM_MODELISTS; ++i ) {
if ( SDL_nummodes[i] > 0 ) {
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SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes);
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}
}
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#else
// WinCE and fullscreen mode:
// We use only vformat->BitsPerPixel that allow SDL to
// emulate other bpp (8, 32) and use triple buffer,
// because SDL surface conversion is much faster than the WinCE one.
// Although it should be tested on devices with graphics accelerator.
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DIB_AddMode(this, vformat->BitsPerPixel,
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GetDeviceCaps(GetDC(NULL), HORZRES),
GetDeviceCaps(GetDC(NULL), VERTRES));
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#endif /* !NO_CHANGEDISPLAYSETTINGS */
/* Grab an identity palette if we are in a palettized mode */
if ( vformat->BitsPerPixel <= 8 ) {
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DIB_CreatePalette(this, vformat->BitsPerPixel);
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}
/* Fill in some window manager capabilities */
this->info.wm_available = 1;
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#ifdef _WIN32_WCE
this->hidden->origRotation = -1;
#endif
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/* Allow environment override of screensaver disable. */
env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER");
this->hidden->allow_screensaver = ( (env && SDL_atoi(env)) ? 1 : 0 );
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/* We're done! */
return(0);
}
/* We support any format at any dimension */
SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
{
if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
} else {
return((SDL_Rect **)-1);
}
}
/*
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);
return(depth);
#else
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int depth;
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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);
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dib_hdr = (LPBITMAPINFOHEADER) SDL_malloc(dib_size);
SDL_memset(dib_hdr, 0, dib_size);
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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);
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depth = 0;
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switch( dib_hdr->biBitCount )
{
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case 8: depth = 8; break;
case 24: depth = 24; break;
case 32: depth = 32; break;
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case 16:
if( dib_hdr->biCompression == BI_BITFIELDS ) {
/* check the red mask */
switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) {
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case 0xf800: depth = 16; break; /* 565 */
case 0x7c00: depth = 15; break; /* 555 */
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}
}
}
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SDL_free(dib_hdr);
return depth;
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#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);
const DWORD resizestyle =
(WS_THICKFRAME|WS_MAXIMIZEBOX);
int binfo_size;
BITMAPINFO *binfo;
HDC hdc;
RECT bounds;
int x, y;
Uint32 Rmask, Gmask, Bmask;
/* Clean up any GL context that may be hanging around */
if ( current->flags & SDL_OPENGL ) {
WIN_GL_ShutDown(this);
}
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SDL_resizing = 1;
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/* 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);
Sep 29, 2005
Sep 29, 2005
539
540
541
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543
544
545
546
547
/* Small fix for WinCE/Win32 - when activating window
SDL_VideoSurface is equal to zero, so activating code
is not called properly for fullscreen windows because
macros WINDIB_FULLSCREEN uses SDL_VideoSurface
*/
SDL_VideoSurface = video;
#if defined(_WIN32_WCE)
if ( flags & SDL_FULLSCREEN )
Oct 6, 2002
Oct 6, 2002
548
549
video->flags |= SDL_FULLSCREEN;
#endif
Sep 29, 2005
Sep 29, 2005
550
Apr 26, 2001
Apr 26, 2001
551
552
553
554
#ifndef NO_CHANGEDISPLAYSETTINGS
/* Set fullscreen mode if appropriate */
if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
DEVMODE settings;
Jan 30, 2006
Jan 30, 2006
555
BOOL changed;
Apr 26, 2001
Apr 26, 2001
556
Feb 7, 2006
Feb 7, 2006
557
SDL_memset(&settings, 0, sizeof(DEVMODE));
Apr 26, 2001
Apr 26, 2001
558
settings.dmSize = sizeof(DEVMODE);
Mar 4, 2006
Mar 4, 2006
559
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561
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565
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#ifdef _WIN32_WCE
// try to rotate screen to fit requested resolution
if( this->hidden->supportRotation )
{
DWORD rotation;
// ask current mode
settings.dmFields = DM_DISPLAYORIENTATION;
ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL);
rotation = settings.dmDisplayOrientation;
if( (width > GetDeviceCaps(GetDC(NULL), HORZRES))
&& (height < GetDeviceCaps(GetDC(NULL), VERTRES)))
{
switch( rotation )
{
case DMDO_0:
settings.dmDisplayOrientation = DMDO_90;
break;
case DMDO_270:
settings.dmDisplayOrientation = DMDO_180;
break;
}
if( settings.dmDisplayOrientation != rotation )
{
// go to landscape
this->hidden->origRotation = rotation;
ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL);
}
}
if( (width < GetDeviceCaps(GetDC(NULL), HORZRES))
&& (height > GetDeviceCaps(GetDC(NULL), VERTRES)))
{
switch( rotation )
{
case DMDO_90:
settings.dmDisplayOrientation = DMDO_0;
break;
case DMDO_180:
settings.dmDisplayOrientation = DMDO_270;
break;
}
if( settings.dmDisplayOrientation != rotation )
{
// go to portrait
this->hidden->origRotation = rotation;
ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL);
}
}
}
#endif
#ifndef _WIN32_WCE
Apr 26, 2001
Apr 26, 2001
614
615
616
617
settings.dmBitsPerPel = video->format->BitsPerPixel;
settings.dmPelsWidth = width;
settings.dmPelsHeight = height;
settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL;
Feb 6, 2006
Feb 6, 2006
618
619
if ( width <= (int)SDL_desktop_mode.dmPelsWidth &&
height <= (int)SDL_desktop_mode.dmPelsHeight ) {
Jan 30, 2006
Jan 30, 2006
620
621
622
623
624
625
626
627
settings.dmDisplayFrequency = SDL_desktop_mode.dmDisplayFrequency;
settings.dmFields |= DM_DISPLAYFREQUENCY;
}
changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL);
if ( ! changed && (settings.dmFields & DM_DISPLAYFREQUENCY) ) {
settings.dmFields &= ~DM_DISPLAYFREQUENCY;
changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL);
}
Mar 4, 2006
Mar 4, 2006
628
629
630
#else
changed = 1;
#endif
Jan 30, 2006
Jan 30, 2006
631
if ( changed ) {
Apr 26, 2001
Apr 26, 2001
632
video->flags |= SDL_FULLSCREEN;
Mar 10, 2002
Mar 10, 2002
633
SDL_fullscreen_mode = settings;
Apr 26, 2001
Apr 26, 2001
634
}
Mar 4, 2006
Mar 4, 2006
635
Apr 26, 2001
Apr 26, 2001
636
637
638
}
#endif /* !NO_CHANGEDISPLAYSETTINGS */
Jun 7, 2001
Jun 7, 2001
639
640
/* Reset the palette and create a new one if necessary */
if ( screen_pal != NULL ) {
Jul 3, 2007
Jul 3, 2007
641
642
643
if ( video->flags & SDL_HWPALETTE ) {
DIB_ReleaseStaticColors(SDL_Window);
}
Jun 7, 2001
Jun 7, 2001
644
645
646
647
648
/* RJR: March 28, 2000
delete identity palette if switching from a palettized mode */
DeleteObject(screen_pal);
screen_pal = NULL;
}
Jul 3, 2007
Jul 3, 2007
649
650
651
652
if ( screen_logpal != NULL ) {
SDL_free(screen_logpal);
screen_logpal = NULL;
}
Jun 7, 2001
Jun 7, 2001
653
654
655
656
if ( bpp <= 8 )
{
/* RJR: March 28, 2000
create identity palette switching to a palettized mode */
Jul 3, 2007
Jul 3, 2007
657
DIB_CreatePalette(this, bpp);
Jun 7, 2001
Jun 7, 2001
658
659
}
Mar 7, 2006
Mar 7, 2006
660
style = GetWindowLong(SDL_Window, GWL_STYLE);
Apr 26, 2001
Apr 26, 2001
661
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664
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669
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682
style &= ~(resizestyle|WS_MAXIMIZE);
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 ) {
style |= resizestyle;
video->flags |= SDL_RESIZABLE;
}
}
Aug 20, 2002
Aug 20, 2002
683
#if WS_MAXIMIZE
Apr 26, 2001
Apr 26, 2001
684
if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE;
May 23, 2001
May 23, 2001
685
#endif
Apr 26, 2001
Apr 26, 2001
686
}
Aug 9, 2001
Aug 9, 2001
687
Aug 19, 2002
Aug 19, 2002
688
/* DJM: Don't piss of anyone who has setup his own window */
Jan 29, 2006
Jan 29, 2006
689
if ( !SDL_windowid )
Mar 7, 2006
Mar 7, 2006
690
SetWindowLong(SDL_Window, GWL_STYLE, style);
Apr 26, 2001
Apr 26, 2001
691
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705
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707
/* 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);
}
Feb 7, 2006
Feb 7, 2006
708
binfo = (BITMAPINFO *)SDL_malloc(binfo_size);
Apr 26, 2001
Apr 26, 2001
709
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711
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719
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723
724
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726
727
728
729
730
731
732
733
734
735
736
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 ) {
Feb 7, 2006
Feb 7, 2006
737
SDL_memset(binfo->bmiColors, 0,
Apr 26, 2001
Apr 26, 2001
738
739
740
741
742
743
744
745
746
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);
Feb 7, 2006
Feb 7, 2006
747
SDL_free(binfo);
Apr 26, 2001
Apr 26, 2001
748
749
750
751
752
753
754
755
756
757
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 */
Jul 3, 2007
Jul 3, 2007
758
if ( (flags & (SDL_FULLSCREEN|SDL_HWPALETTE)) != 0 ) {
Apr 26, 2001
Apr 26, 2001
759
760
761
762
/* BitBlt() maps colors for us */
video->flags |= SDL_HWPALETTE;
}
}
Mar 4, 2006
Mar 4, 2006
763
#ifndef _WIN32_WCE
Apr 26, 2001
Apr 26, 2001
764
/* Resize the window */
Jan 29, 2006
Jan 29, 2006
765
if ( !SDL_windowid && !IsZoomed(SDL_Window) ) {
Mar 4, 2006
Mar 4, 2006
766
767
768
#else
if ( !SDL_windowid ) {
#endif
Aug 19, 2002
Aug 19, 2002
769
HWND top;
Apr 26, 2001
Apr 26, 2001
770
UINT swp_flags;
Jan 29, 2006
Jan 29, 2006
771
772
const char *window = NULL;
const char *center = NULL;
Feb 16, 2004
Feb 16, 2004
773
774
if ( !SDL_windowX && !SDL_windowY ) {
Feb 7, 2006
Feb 7, 2006
775
776
window = SDL_getenv("SDL_VIDEO_WINDOW_POS");
center = SDL_getenv("SDL_VIDEO_CENTERED");
Feb 16, 2004
Feb 16, 2004
777
if ( window ) {
Feb 7, 2006
Feb 7, 2006
778
if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) {
Feb 16, 2004
Feb 16, 2004
779
780
781
SDL_windowX = x;
SDL_windowY = y;
}
Feb 7, 2006
Feb 7, 2006
782
if ( SDL_strcmp(window, "center") == 0 ) {
Feb 16, 2004
Feb 16, 2004
783
784
785
786
787
center = window;
}
}
}
swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW);
Apr 26, 2001
Apr 26, 2001
788
Feb 16, 2004
Feb 16, 2004
789
790
791
792
bounds.left = SDL_windowX;
bounds.top = SDL_windowY;
bounds.right = SDL_windowX+video->w;
bounds.bottom = SDL_windowY+video->h;
Sep 23, 2006
Sep 23, 2006
793
#ifndef _WIN32_WCE
Jun 24, 2006
Jun 24, 2006
794
AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0);
Sep 23, 2006
Sep 23, 2006
795
796
797
798
#else
// The bMenu parameter must be FALSE; menu bars are not supported
AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), 0, 0);
#endif
Apr 26, 2001
Apr 26, 2001
799
800
width = bounds.right-bounds.left;
height = bounds.bottom-bounds.top;
Feb 16, 2004
Feb 16, 2004
801
802
803
804
805
806
if ( (flags & SDL_FULLSCREEN) ) {
x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
} else if ( center ) {
x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
Nov 12, 2004
Nov 12, 2004
807
808
809
} else if ( SDL_windowX || SDL_windowY || window ) {
x = bounds.left;
y = bounds.top;
Feb 16, 2004
Feb 16, 2004
810
811
812
813
} else {
x = y = -1;
swp_flags |= SWP_NOMOVE;
}
Aug 19, 2002
Aug 19, 2002
814
815
816
817
818
819
if ( flags & SDL_FULLSCREEN ) {
top = HWND_TOPMOST;
} else {
top = HWND_NOTOPMOST;
}
SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags);
Jan 29, 2006
Jan 29, 2006
820
821
822
823
if ( !(flags & SDL_FULLSCREEN) ) {
SDL_windowX = SDL_bounds.left;
SDL_windowY = SDL_bounds.top;
}
Apr 26, 2001
Apr 26, 2001
824
825
SetForegroundWindow(SDL_Window);
}
Jan 29, 2006
Jan 29, 2006
826
SDL_resizing = 0;
Apr 26, 2001
Apr 26, 2001
827
828
829
830
831
832
833
834
/* Set up for OpenGL */
if ( flags & SDL_OPENGL ) {
if ( WIN_GL_SetupWindow(this) < 0 ) {
return(NULL);
}
video->flags |= SDL_OPENGL;
}
May 23, 2001
May 23, 2001
835
Mar 14, 2006
Mar 14, 2006
836
837
838
839
840
841
/* JC 14 Mar 2006
Flush the message loop or this can cause big problems later
Especially if the user decides to use dialog boxes or assert()!
*/
WIN_FlushMessageQueue();
Apr 26, 2001
Apr 26, 2001
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
/* 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);
}
Jul 3, 2007
Jul 3, 2007
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
static int FindPaletteIndex(LOGPALETTE *pal, BYTE r, BYTE g, BYTE b)
{
PALETTEENTRY *entry;
int i;
int nentries = pal->palNumEntries;
for ( i = 0; i < nentries; ++i ) {
entry = &pal->palPalEntry[i];
if ( entry->peRed == r && entry->peGreen == g && entry->peBlue == b ) {
return i;
}
}
return -1;
}
static BOOL CheckPaletteEntry(LOGPALETTE *pal, int index, BYTE r, BYTE g, BYTE b)
{
PALETTEENTRY *entry;
BOOL moved = 0;
entry = &pal->palPalEntry[index];
if ( entry->peRed != r || entry->peGreen != g || entry->peBlue != b ) {
int found = FindPaletteIndex(pal, r, g, b);
if ( found >= 0 ) {
pal->palPalEntry[found] = *entry;
}
entry->peRed = r;
entry->peGreen = g;
entry->peBlue = b;
moved = 1;
}
entry->peFlags = 0;
return moved;
}
Jan 19, 2006
Jan 19, 2006
918
Apr 26, 2001
Apr 26, 2001
919
920
int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
{
Jan 29, 2006
Jan 29, 2006
921
922
#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
HDC hdc, mdc;
Apr 26, 2001
Apr 26, 2001
923
RGBQUAD *pal;
Jan 19, 2006
Jan 19, 2006
924
#else
Jan 29, 2006
Jan 29, 2006
925
HDC hdc;
May 23, 2001
May 23, 2001
926
#endif
Jan 29, 2006
Jan 29, 2006
927
int i;
Jul 3, 2007
Jul 3, 2007
928
int moved_entries = 0;
Apr 26, 2001
Apr 26, 2001
929
930
931
932
/* Update the display palette */
hdc = GetDC(SDL_Window);
if ( screen_pal ) {
Jul 3, 2007
Jul 3, 2007
933
PALETTEENTRY *entry;
Apr 26, 2001
Apr 26, 2001
934
935
for ( i=0; i<ncolors; ++i ) {
Jul 3, 2007
Jul 3, 2007
936
937
938
939
940
941
entry = &screen_logpal->palPalEntry[firstcolor+i];
entry->peRed = colors[i].r;
entry->peGreen = colors[i].g;
entry->peBlue = colors[i].b;
entry->peFlags = PC_NOCOLLAPSE;
}
Jul 15, 2007
Jul 15, 2007
942
#ifdef SYSPAL_NOSTATIC
Jul 3, 2007
Jul 3, 2007
943
944
945
946
/* Check to make sure black and white are in position */
if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) {
moved_entries += CheckPaletteEntry(screen_logpal, 0, 0x00, 0x00, 0x00);
moved_entries += CheckPaletteEntry(screen_logpal, screen_logpal->palNumEntries-1, 0xff, 0xff, 0xff);
Apr 26, 2001
Apr 26, 2001
947
}
Jul 3, 2007
Jul 3, 2007
948
949
950
951
952
953
/* FIXME:
If we don't have full access to the palette, what we
really want to do is find the 236 most diverse colors
in the desired palette, set those entries (10-245) and
then map everything into the new system palette.
*/
Jul 15, 2007
Jul 15, 2007
954
#endif
Jul 3, 2007
Jul 3, 2007
955
Jul 15, 2007
Jul 15, 2007
956
#ifndef _WIN32_WCE
Jul 3, 2007
Jul 3, 2007
957
958
/* Copy the entries into the system palette */
UnrealizeObject(screen_pal);
Jul 15, 2007
Jul 15, 2007
959
#endif
Jul 3, 2007
Jul 3, 2007
960
SetPaletteEntries(screen_pal, 0, screen_logpal->palNumEntries, screen_logpal->palPalEntry);
Apr 26, 2001
Apr 26, 2001
961
962
963
964
SelectPalette(hdc, screen_pal, FALSE);
RealizePalette(hdc);
}
Jan 29, 2006
Jan 29, 2006
965
#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
Apr 26, 2001
Apr 26, 2001
966
/* Copy palette colors into DIB palette */
Feb 6, 2006
Feb 6, 2006
967
pal = SDL_stack_alloc(RGBQUAD, ncolors);
Apr 26, 2001
Apr 26, 2001
968
969
970
971
972
973
974
975
976
977
978
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 */
mdc = CreateCompatibleDC(hdc);
SelectObject(mdc, screen_bmp);
SetDIBColorTable(mdc, firstcolor, ncolors, pal);
Jul 3, 2007
Jul 3, 2007
979
980
981
982
if ( moved_entries || !(this->screen->flags & SDL_HWPALETTE) ) {
BitBlt(hdc, 0, 0, this->screen->w, this->screen->h,
mdc, 0, 0, SRCCOPY);
}
Apr 26, 2001
Apr 26, 2001
983
DeleteDC(mdc);
Feb 6, 2006
Feb 6, 2006
984
SDL_stack_free(pal);
May 23, 2001
May 23, 2001
985
#endif
Apr 26, 2001
Apr 26, 2001
986
987
988
989
ReleaseDC(SDL_Window, hdc);
return(1);
}
Jan 19, 2006
Jan 19, 2006
990
Apr 26, 2001
Apr 26, 2001
991
992
993
994
995
996
997
998
999
1000
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;