;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; RDOS operating system
; Copyright (C) 1988-2000, Leif Ekblad
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version. The only exception to this rule
; is for commercial usage in embedded systems. For information on
; usage in commercial embedded systems, contact embedded@rdos.net
;
; 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 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
;
; The author of this program may be contacted at leif@rdos.net
;
; VIDEO.INC
; Video interface definition
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

STYLE_HOLLOW			EQU 0
STYLE_FILLED			EQU 1

video_api_struc	STRUC

destruct_proc			DD ?

switch_to_proc			DD ?

switch_from_proc		DD ?

; IN  BL		Blank fore color
; IN  BH		Blank back color
; IN  CX		Upper Column
; IN  DX		Upper Row
; IN  SI		Lower Column
; IN  DI		Lower Row
clear_proc			DD ?

; IN  CX		Column
; IN  DX		Row
set_cursor_position_proc	DD ?

; IN  AL		Char
; IN  BL		Fore color
; IN  BH		Back color
; IN  CX		Column
; IN  DX		Row
write_char_proc       	DD ?

; IN  CX		Column
; IN  DX		Row
; OUT AL		Char
; OUT BL		Fore color
; OUT BH		Back color
read_char_proc       	DD ?

; IN  AX		Number of lines
; IN  BL		Blank fore color
; IN  BH		Blank back color
; IN  CX		Upper Column
; IN  DX		Upper Row
; IN  SI		Lower Column
; IN  DI		Lower Row
scroll_up_proc			DD ?

; IN  AX		Number of lines
; IN  BL		Blank fore color
; IN  BH		Blank back color
; IN  CX		Upper Column
; IN  DX		Upper Row
; IN  SI		Lower Column
; IN  DI		Lower Row
scroll_down_proc		DD ?

; IN  CX		Number of palette entries
; IN  ES:EDI	Palette
define_palette_proc		DD ?

; IN  AL		Palette index
set_palette_color_proc	DD ?

; IN  AX		Red
; IN  BX		Green
; IN  DX		Blue
set_rgb_color_proc		DD ?

clear_mask_proc			DD ?

; IN  CX		x position
; IN  DX		y position
; IN  FS:ESI	bitmap info
; IN  ES:EDI	bitmap
add_mask_proc			DD ?

; IN  AX        Font handle
set_font_proc  			DD ?

; IN  EAX			RGB color
; OUT EAX           internal color
translate_color_proc	DD ?

;
; device-dependent functions
;

; IN  EAX			Internal color
; IN  EDI	    	Position
set_proc          		DD ?

; IN  EAX			Internal color
; IN  EDI	    	Position
; IN  CX			Number of pixels
slab_proc               DD ?

; IN  EAX           Source base
; IN  FS:ESI	    Source pixels
; IN  EDI	    	Position
; IN  CX			Number of pixels
copy_proc               DD ?

; IN  EAX           Internal Color
; IN  CX			number of pixels
; IN  DL            Start bit number
; IN  GS:EBX        Mask bits
; IN  EDI		    Dest buffer
mask_set_proc               DD ?

; IN  CX			number of pixels
; IN  DL            Start bit number
; IN  GS:EBX        Mask bits
; IN  FS:ESI        Source pixels
; IN  EDI		    Dest buffer
mask_copy_proc               DD ?

;
; device-independent functions
;

; IN  CX			x
; IN  DX			y
; OUT ES:EDI   		Buffer
; OUT AL            Bit number
get_line_proc			DD ?

; IN  CX			x
; IN  DX			y
; OUT EAX			RGB color
get_pixel_proc			DD ?

; IN  CX			x
; IN  DX			y
set_pixel_proc			DD ?

; IN  AX			number of pixels
; IN  CX			x
; IN  DX			y
; IN  EDI		Position
get_native_row_proc		DD ?

; IN  AX			number of pixels
; IN  CX			x
; IN  DX			y
; IN  EDI   		Position
get_rgb_row_proc		DD ?

; IN  AX			number of pixels
; IN  CX			x
; IN  DX			y
; IN  EDI   		Position
set_native_row_proc		DD ?

; IN  AX			number of pixels
; IN  CX			x
; IN  DX			y
; IN  EDI   		Position
set_rgb_row_proc		DD ?

; IN  AX			source row size
; IN  EBX			color
; IN  ECX			source x + y << 16
; IN  EDX			dest x + y << 16
; IN  SI			width
; IN  ES:EDI		1-bit mask
draw_mask_line_proc			DD ?

; IN  AX			number of pixels
; IN  BL            bit number
; IN  CX			x
; IN  DX			y
; IN  ES:EDI		line buffer
set_sprite_row_proc		DD ?

; IN  AL            mask offset bit
; IN  BL            bit number
; IN  ECX			x + y << 16
; IN  DX			width
; IN  ESI   		sprite bits
; IN  ES:EDI		1-bit mask bits
draw_sprite_line_proc			DD ?

; IN  CX		x position
; IN  DX		y position
; IN  ES:EDI	Null terminated string
draw_string_proc		DD ?

; IN  AX			x1
; IN  BX			y1
; IN  CX			x2
; IN  DX			y2
draw_line_proc			DD ?

; IN  AX			x
; IN  BX			y
; IN  CX			w
; IN  DX			b
draw_rect_proc			DD ?

; IN  AX			x
; IN  BX			y
; IN  CX			w
; IN  DX			b
draw_ellipse_proc			DD ?

; IN  EAX           Internal Color
; IN  CX			number of pixels
; IN  GS:EBX        Antialias bitmap (256 levels)
; IN  EDI		    Dest buffer
anti_alias_proc               DD ?

; IN  ECX			Number of pixels
; IN  ES:ESI		Bitmap buffer
; IN  ES:EDI		Physical buffer
phys_update_proc               DD ?

v_section   	    section_typ <>
v_sprite_section    section_typ <>
v_mode	    	DW ?
v_width	    	DW ?
v_height    	DW ?
v_row_size	    DW ?
v_app_base	    DD ?
v_app_size	    DD ?
v_phys_base		DD ?
v_has_focus	    DB ?
v_bpp   		DB ?
v_bitmap        DW ?

v_sprite_count 		DW ?
v_sprite_size   	DW ?
v_sprite_sel    	DW ?

v_usage_count   	DW ?

v_x_min         	DW ?
v_y_min         	DW ?
v_x_max         	DW ?
v_y_max         	DW ?

v_row				DW ?
v_col				DW ?
v_row_count			DW ?
v_col_count			DW ?
v_text_font			DW ?
v_pixels_per_row	DW ?
v_pixels_per_col	DW ?
v_text				DW ?

v_color 			DD ?
v_lgop	    		DW ?
v_font		    	DW ?
v_style 			DB ?

v_sprite_lines  	DW ?
v_sprite_max_pos	DW ?

v_sprite_show_size  DW ?
v_sprite_show_x     DW ?
v_sprite_show_y     DW ?

video_api_struc	ENDS