SDL_cgxmodes.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:9k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000 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_cgxmodes.c,v 1.4 2002/04/22 21:38:04 wmay Exp $";
- #endif
- /* Utilities for getting and setting the X display mode */
- /*
- #include <stdlib.h>
- #include <string.h>
- */
- #include "SDL_timer.h"
- #include "SDL_error.h"
- #include "SDL_events.h"
- #include "SDL_events_c.h"
- #include "SDL_cgxvideo.h"
- #include "SDL_cgxwm_c.h"
- #include "SDL_cgxmodes_c.h"
- #define CGX_DEBUG
- static void set_best_resolution(_THIS, int width, int height)
- {
- Uint32 idok;
- int depth=8;
- if(SDL_Display)
- depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
- idok=BestCModeIDTags(CYBRBIDTG_NominalWidth,width,
- CYBRBIDTG_NominalHeight,height,
- CYBRBIDTG_Depth,depth,
- TAG_DONE);
- if(idok!=INVALID_ID)
- {
- if(SDL_Display)
- {
- if(currently_fullscreen)
- CloseScreen(SDL_Display);
- else
- UnlockPubScreen(NULL,SDL_Display);
- }
- SDL_Display=GFX_Display=OpenScreenTags(NULL,SA_Width,width,SA_Height,height,
- SA_Depth,depth,SA_DisplayID,idok,
- SA_ShowTitle,FALSE,
- TAG_DONE);
- }
- }
- static void get_real_resolution(_THIS, int* w, int* h)
- {
- *w = /*SDL_Display->Width*/ SDL_Window->Width-SDL_Window->BorderLeft-SDL_Window->BorderRight;
- *h = /*SDL_Display->Height*/ SDL_Window->Height-SDL_Window->BorderBottom-SDL_Window->BorderTop;
- }
- static void move_cursor_to(_THIS, int x, int y)
- {
- /* XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y); */
- /* DA FARE! */
- }
- static void add_visual(_THIS, int depth, int class)
- {
- Uint32 tID;
- tID=BestCModeIDTags(CYBRBIDTG_Depth,depth,
- CYBRBIDTG_NominalWidth,640,
- CYBRBIDTG_NominalHeight,480,
- TAG_DONE);
- if(tID!=INVALID_ID)
- {
- int n = this->hidden->nvisuals;
- this->hidden->visuals[n].depth = depth;
- this->hidden->visuals[n].visual = tID;
- this->hidden->visuals[n].bpp = GetCyberIDAttr(CYBRIDATTR_BPPIX,tID);
- this->hidden->nvisuals++;
- }
- }
- #define TrueColor 1
- #define PseudoColor 2
- int CGX_GetVideoModes(_THIS)
- {
- int i;
- ULONG nextid;
- int nmodes=0;
- SDL_modelist=NULL;
- nextid=NextDisplayInfo(INVALID_ID);
- while(nextid!=INVALID_ID)
- {
- if(IsCyberModeID(nextid))
- {
- DisplayInfoHandle h;
- if(h=FindDisplayInfo(nextid))
- {
- struct DimensionInfo info;
- if(GetDisplayInfoData(h,(char *)&info,sizeof(struct DimensionInfo),DTAG_DIMS,NULL))
- {
- int ok=0;
- for(i=0;i<nmodes;i++)
- {
- if( SDL_modelist[i]->w == (info.Nominal.MaxX+1) &&
- SDL_modelist[i]->h == (info.Nominal.MaxY+1) )
- ok=1;
- }
- if(!ok)
- {
- nmodes++;
- SDL_modelist = (SDL_Rect **)realloc(SDL_modelist,(nmodes+1)*sizeof(SDL_Rect *));
- SDL_modelist[nmodes]=NULL;
- if ( SDL_modelist )
- {
- SDL_modelist[nmodes-1] = (SDL_Rect *)malloc(sizeof(SDL_Rect));
- if ( SDL_modelist[nmodes-1] == NULL )
- break;
- SDL_modelist[nmodes-1]->x = 0;
- SDL_modelist[nmodes-1]->y = 0;
- SDL_modelist[nmodes-1]->w = info.Nominal.MaxX+1;
- SDL_modelist[nmodes-1]->h = info.Nominal.MaxY+1;
- }
- }
- }
- }
- }
- nextid=NextDisplayInfo(nextid);
- }
- this->hidden->nvisuals = 0;
- /* Search for the visuals in deepest-first order, so that the first
- will be the richest one */
- add_visual(this, 32, TrueColor);
- add_visual(this, 24, TrueColor);
- add_visual(this, 16, TrueColor);
- add_visual(this, 15, TrueColor);
- add_visual(this, 8, PseudoColor);
- if(this->hidden->nvisuals == 0) {
- SDL_SetError("Found no sufficiently capable CGX visuals");
- return -1;
- }
- if ( SDL_modelist == NULL ) {
- SDL_modelist = (SDL_Rect **)malloc((1+1)*sizeof(SDL_Rect *));
- i = 0;
- if ( SDL_modelist ) {
- SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect));
- if ( SDL_modelist[i] ) {
- SDL_modelist[i]->x = 0;
- SDL_modelist[i]->y = 0;
- SDL_modelist[i]->w = SDL_Display->Width;
- SDL_modelist[i]->h = SDL_Display->Height;
- ++i;
- }
- SDL_modelist[i] = NULL;
- }
- }
- D( if ( SDL_modelist ) {
- bug("CGX video mode list: (%ld)n",nmodes);
- for ( i=0; SDL_modelist[i]; ++i ) {
- bug( "t%ld x %ldn",
- SDL_modelist[i]->w, SDL_modelist[i]->h);
- }
- }
- );
- D( { bug("CGX visuals list: (%ld)n",this->hidden->nvisuals);
- for(i=0;i<this->hidden->nvisuals;i++)
- bug("t%lx - depth: %ld bpp: %ldn",this->hidden->visuals[i].visual,this->hidden->visuals[i].depth,this->hidden->visuals[i].bpp);
- }
- );
- return 0;
- }
- int CGX_SupportedVisual(_THIS, SDL_PixelFormat *format)
- {
- int i;
- for(i = 0; i < this->hidden->nvisuals; i++)
- {
- if(this->hidden->visuals[i].depth == format->BitsPerPixel) // Era bpp
- return 1;
- }
- return 0;
- }
- SDL_Rect **CGX_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
- {
- if ( CGX_SupportedVisual(this, format) ) {
- if ( flags & SDL_FULLSCREEN ) {
- return(SDL_modelist);
- } else {
- return((SDL_Rect **)-1);
- }
- } else {
- return((SDL_Rect **)0);
- }
- }
- void CGX_FreeVideoModes(_THIS)
- {
- int i;
- if ( SDL_modelist ) {
- for ( i=0; SDL_modelist[i]; ++i ) {
- free(SDL_modelist[i]);
- }
- free(SDL_modelist);
- SDL_modelist = NULL;
- }
- }
- int CGX_ResizeFullScreen(_THIS)
- {
- int x, y;
- int real_w, real_h;
- if ( currently_fullscreen ) {
- /* Per ora non faccio nulla qui */
- }
- return(1);
- }
- void _QueueEnterFullScreen(_THIS)
- {
- }
- int CGX_EnterFullScreen(_THIS)
- {
- int okay;
- Uint32 saved_flags;
- okay = 1;
- saved_flags = this->screen->flags;
- if ( ! currently_fullscreen )
- {
- int real_w, real_h;
- /* Map the fullscreen window to blank the screen */
- get_real_resolution(this, &real_w, &real_h);
- CGX_DestroyWindow(this,this->screen);
- set_best_resolution(this, real_w,real_h);
- /* Grab the mouse on the fullscreen window
- The event handling will know when we become active, and then
- enter fullscreen mode if we can't grab the mouse this time.
- */
- #if 0
- if ( (XGrabPointer(SDL_Display, FSwindow, True, 0,
- GrabModeAsync, GrabModeAsync,
- FSwindow, None, CurrentTime) != GrabSuccess) ||
- (XGrabKeyboard(SDL_Display, WMwindow, True,
- GrabModeAsync, GrabModeAsync, CurrentTime) != 0) ) {
- XUnmapWindow(SDL_Display, FSwindow);
- X11_WaitUnmapped(this, FSwindow);
- X11_QueueEnterFullScreen(this);
- return(0);
- }
- #endif
- currently_fullscreen = 1;
- this->screen->flags = saved_flags;
- CGX_CreateWindow(this,this->screen,real_w,real_h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);
- /* Set the new resolution */
- okay = CGX_ResizeFullScreen(this);
- if ( ! okay ) {
- CGX_LeaveFullScreen(this);
- }
- /* Set the colormap */
- /*
- if ( SDL_XColorMap ) {
- XInstallColormap(SDL_Display, SDL_XColorMap);
- }
- */
- }
- // CGX_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN);
- return(okay);
- }
- int CGX_LeaveFullScreen(_THIS)
- {
- if ( currently_fullscreen ) {
- int width,height;
- if ( SDL_Window ) {
- CloseWindow(SDL_Window);
- SDL_Window=NULL;
- }
- CloseScreen(SDL_Display);
- GFX_Display=SDL_Display=LockPubScreen(NULL);
- currently_fullscreen = 0;
- CGX_CreateWindow(this,this->screen,this->screen->w,this->screen->h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);
- CGX_ResizeImage(this,this->screen,0L);
- }
- return(0);
- }