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view src/video/bwindow/SDL_sysyuv.h @ 3473:7bdc10624cba

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This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:14:21 +0000
parents 99210400e8b9
children f7b03b6838cb
line wrap: on
line source

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 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
    Lesser General Public License for more details.

    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

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"


#ifndef __SDL_SYS_YUV_H__
#define __SDL_SYS_YUV_H__

/* This is the BeOS implementation of YUV video overlays */

#include "SDL_video.h"
#include "SDL_lowvideo.h"

extern "C"
{

    struct private_yuvhwdata
    {
/*  FRAMEDATA* CurrentFrameData;
    FRAMEDATA* FrameData0;
    FRAMEDATA* FrameData1;
    PgScalerProps_t   props;
    PgScalerCaps_t    caps;
    PgVideoChannel_t* channel;
    PhArea_t CurrentViewPort;
    PhPoint_t CurrentWindowPos;
    long format;
    int scaler_on;
    int current;
    long YStride;
    long VStride;
    long UStride;
    int ischromakey;
    long chromakey;
    int forcedredraw;
    unsigned long State;
    long flags;
*/
        SDL_Surface *display;
        BView *bview;
        bool first_display;
        BBitmap *bbitmap;
        int locked;
    };

    extern BBitmap *BE_GetOverlayBitmap(BRect bounds, color_space cs);
    extern SDL_Overlay *BE_CreateYUVOverlay(_THIS, int width, int height,
                                            Uint32 format,
                                            SDL_Surface * display);
    extern int BE_LockYUVOverlay(_THIS, SDL_Overlay * overlay);
    extern void BE_UnlockYUVOverlay(_THIS, SDL_Overlay * overlay);
    extern int BE_DisplayYUVOverlay(_THIS, SDL_Overlay * overlay,
                                    SDL_Rect * src, SDL_Rect * dst);
    extern void BE_FreeYUVOverlay(_THIS, SDL_Overlay * overlay);

};

#endif /* __SDL_PH_YUV_H__ */
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