/*
* 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_Command;
typedef struct osd_cmd_s {
OSD_Command cmd;
int x0;
int y0;
int x1;
int y1;
int color;
void *data;
} osd_cmd_t;
#define OSD_SEND_CMD _IOW('o', 160, osd_cmd_t)
#endif