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/*

 * osd.h

 *

 * Copyright (C) 2001 Ralph  Metzler <ralph@convergence.de>

 *                  & Marcus Metzler <marcus@convergence.de>

 *                    for convergence integrated media GmbH

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Lesser Public License

 * as published by the Free Software Foundation; either version 2.1

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 *

 */

#ifndef _DVBOSD_H_

#define _DVBOSD_H_

typedef enum {

  // All functions return -2 on "not open"

  OSD_Close=1,    // ()

  // Disables OSD and releases the buffers

  // returns 0 on success

  OSD_Open,       // (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0))

  // Opens OSD with this size and bit depth

  // returns 0 on success, -1 on DRAM allocation error, -2 on "already open"

  OSD_Show,       // ()

  // enables OSD mode

  // returns 0 on success

  OSD_Hide,       // ()

  // disables OSD mode

  // returns 0 on success

  OSD_Clear,      // ()

  // Sets all pixel to color 0

  // returns 0 on success

  OSD_Fill,       // (color)

  // Sets all pixel to color <col>

  // returns 0 on success

  OSD_SetColor,   // (color,R{x0},G{y0},B{x1},opacity{y1})

  // set palette entry <num> to <r,g,b>, <mix> and <trans> apply

  // R,G,B: 0..255

  // R=Red, G=Green, B=Blue

  // opacity=0:      pixel opacity 0% (only video pixel shows)

  // opacity=1..254: pixel opacity as specified in header

  // opacity=255:    pixel opacity 100% (only OSD pixel shows)

  // returns 0 on success, -1 on error

  OSD_SetPalette, // (firstcolor{color},lastcolor{x0},data)

  // Set a number of entries in the palette

  // sets the entries "firstcolor" through "lastcolor" from the array "data"

  // data has 4 byte for each color:

  // R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel

  OSD_SetTrans,   // (transparency{color})

  // Sets transparency of mixed pixel (0..15)

  // returns 0 on success

  OSD_SetPixel,   // (x0,y0,color)

  // sets pixel <x>,<y> to color number <col>

  // returns 0 on success, -1 on error

  OSD_GetPixel,   // (x0,y0)

  // returns color number of pixel <x>,<y>,  or -1

  OSD_SetRow,     // (x0,y0,x1,data)

  // fills pixels x0,y through  x1,y with the content of data[]

  // returns 0 on success, -1 on clipping all pixel (no pixel drawn)

  OSD_SetBlock,   // (x0,y0,x1,y1,increment{color},data)

  // fills pixels x0,y0 through  x1,y1 with the content of data[]

  // inc contains the width of one line in the data block,

  // inc<=0 uses blockwidth as linewidth

  // returns 0 on success, -1 on clipping all pixel

  OSD_FillRow,    // (x0,y0,x1,color)

  // fills pixels x0,y through  x1,y with the color <col>

  // returns 0 on success, -1 on clipping all pixel

  OSD_FillBlock,  // (x0,y0,x1,y1,color)

  // fills pixels x0,y0 through  x1,y1 with the color <col>

  // returns 0 on success, -1 on clipping all pixel

  OSD_Line,       // (x0,y0,x1,y1,color)

  // draw a line from x0,y0 to x1,y1 with the color <col>

  // returns 0 on success

  OSD_Query,      // (x0,y0,x1,y1,xasp{color}}), yasp=11

  // fills parameters with the picture dimensions and the pixel aspect ratio

  // returns 0 on success

  OSD_Test,       // ()

  // draws a test picture. for debugging purposes only

  // returns 0 on success

// TODO: remove "test" in final version

  OSD_Text,       // (x0,y0,size,color,text)

  OSD_SetWindow, //  (x0) set window with number 0<x0<8 as current

  OSD_MoveWindow, //  move current window to (x0, y0)

  OSD_OpenRaw,  // Open other types of OSD windows

} OSD_Command;

typedef struct osd_cmd_s {

        OSD_Command cmd;

        int x0;

        int y0;

        int x1;

        int y1;

        int color;

        void *data;

} osd_cmd_t;

/* OSD_OpenRaw: set 'color' to desired window type */

typedef enum {

        OSD_BITMAP1,           /* 1 bit bitmap */

        OSD_BITMAP2,           /* 2 bit bitmap */

        OSD_BITMAP4,           /* 4 bit bitmap */

        OSD_BITMAP8,           /* 8 bit bitmap */

        OSD_BITMAP1HR,         /* 1 Bit bitmap half resolution */

        OSD_BITMAP2HR,         /* 2 bit bitmap half resolution */

        OSD_BITMAP4HR,         /* 4 bit bitmap half resolution */

        OSD_BITMAP8HR,         /* 8 bit bitmap half resolution */

        OSD_YCRCB422,          /* 4:2:2 YCRCB Graphic Display */

        OSD_YCRCB444,          /* 4:4:4 YCRCB Graphic Display */

        OSD_YCRCB444HR,        /* 4:4:4 YCRCB graphic half resolution */

        OSD_VIDEOTSIZE,        /* True Size Normal MPEG Video Display */

        OSD_VIDEOHSIZE,        /* MPEG Video Display Half Resolution */

        OSD_VIDEOQSIZE,        /* MPEG Video Display Quarter Resolution */

        OSD_VIDEODSIZE,        /* MPEG Video Display Double Resolution */

        OSD_VIDEOTHSIZE,       /* True Size MPEG Video Display Half Resolution */

        OSD_VIDEOTQSIZE,       /* True Size MPEG Video Display Quarter Resolution*/

        OSD_VIDEOTDSIZE,       /* True Size MPEG Video Display Double Resolution */

        OSD_VIDEONSIZE,        /* Full Size MPEG Video Display */

        OSD_CURSOR             /* Cursor */

} osd_raw_window_t;

typedef struct osd_cap_s {

        int  cmd;

#define OSD_CAP_MEMSIZE         1  /* memory size */

        long val;

} osd_cap_t;

#define OSD_SEND_CMD            _IOW('o', 160, osd_cmd_t)

#define OSD_GET_CAPABILITY      _IOR('o', 161, osd_cap_t)

#endif