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|
{$MACRO ON}
{$DEFINE DEFAULT_WIDTH:=320}
{$DEFINE DEFAULT_HEIGHT:=200}
{$DEFINE DEFAULT_FORMAT:=TPTCFormat.Create(32, $00FF0000, $0000FF00, $000000FF)}
{$ASMMODE intel}
Constructor VGAConsole.Create;
Var
{ I, J : Integer;
r, g, b, a : DWord;
tmpbpp : Integer;}
tmp : TPTCFormat;
Begin
m_area := Nil;
m_clip := Nil;
m_keyboard := Nil;
m_copy := Nil;
m_palette := Nil;
m_default_format := Nil;
m_open := False;
m_locked := False;
m_title[0] := #0;
m_information[0] := #0;
m_default_width := DEFAULT_WIDTH;
m_default_height := DEFAULT_HEIGHT;
m_default_format := DEFAULT_FORMAT;
{ InitVESA;}
m_primary := Nil;
{ m_modes[0].Create;}
m_area := TPTCArea.Create;
m_clip := TPTCArea.Create;
m_copy := TPTCCopy.Create;
m_palette := TPTCPalette.Create;
tmp := TPTCFormat.Create(8);
m_modes[0] := TPTCMode.Create(320, 200, tmp);
tmp.Destroy;
tmp := TPTCFormat.Create(8, $E0, $1C, $03);
m_modes[1] := TPTCMode.Create(320, 200, tmp);
tmp.Destroy;
tmp := TPTCFormat.Create(16, $F800, $7E0, $1F);
m_modes[2] := TPTCMode.Create(320, 200, tmp);
tmp.Destroy;
m_modes[3] := TPTCMode.Create;
m_faketype := FAKEMODE2A;
configure('ptc.cfg');
End;
Destructor VGAConsole.Destroy;
Begin
close;
internal_clear_mode_list;
If m_keyboard <> Nil Then
m_keyboard.Destroy;
If m_copy <> Nil Then
m_copy.Destroy;
If m_default_format <> Nil Then
m_default_format.Destroy;
If m_palette <> Nil Then
m_palette.Destroy;
If m_clip <> Nil Then
m_clip.Destroy;
If m_area <> Nil Then
m_area.Destroy;
Inherited Destroy;
End;
Procedure VGAConsole.configure(Const _file : String);
Var
F : Text;
S : String;
Begin
ASSign(F, _file);
Try
Reset(F);
Except
Exit;
End;
Try
While Not EoF(F) Do
Begin
Readln(F, S);
option(S);
End;
Finally
CloseFile(F);
End;
End;
Function VGAConsole.option(Const _option : String) : Boolean;
Begin
{...}
If (System.Copy(_option, 1, 8) = 'FAKEMODE') And (Length(_option) = 10) And
(_option[9] >= '1') And (_option[9] <= '3') And
(_option[10] >= 'A') And (_option[10] <= 'C') Then
Begin
Case _option[9] Of
'1' : Case _option[10] Of
'A' : m_faketype := FAKEMODE1A;
'B' : m_faketype := FAKEMODE1B;
'C' : m_faketype := FAKEMODE1C;
End;
'2' : Case _option[10] Of
'A' : m_faketype := FAKEMODE2A;
'B' : m_faketype := FAKEMODE2B;
'C' : m_faketype := FAKEMODE2C;
End;
'3' : Case _option[10] Of
'A' : m_faketype := FAKEMODE3A;
'B' : m_faketype := FAKEMODE3B;
'C' : m_faketype := FAKEMODE3C;
End;
End;
option := True;
Exit;
End;
option := m_copy.option(_option);
End;
Procedure VGAConsole.internal_clear_mode_list;
Var
I : Integer;
Done : Boolean;
Begin
I := 0;
Done := False;
Repeat
Done := Not m_modes[I].valid;
m_modes[I].Destroy;
Inc(I);
Until Done;
End;
Function VGAConsole.modes : PPTCMode;
Begin
{ internal_clear_mode_list;}
modes := m_modes;
End;
Procedure VGAConsole.open(Const _title : String; _pages : Integer); Overload;
Begin
open(_title, m_default_format, _pages);
End;
Procedure VGAConsole.open(Const _title : String; Const _format : TPTCFormat;
_pages : Integer); Overload;
Begin
open(_title, m_default_width, m_default_height, _format, _pages);
End;
Procedure VGAConsole.open(Const _title : String; _width, _height : Integer;
Const _format : TPTCFormat; _pages : Integer); Overload;
Var
m : TPTCMode;
Begin
m := TPTCMode.Create(_width, _height, _format);
Try
open(_title, m, _pages);
Finally
m.Destroy;
End;
End;
Procedure VGAConsole.open(Const _title : String; Const _mode : TPTCMode;
_pages : Integer); Overload;
Var
{ _width, _height : Integer;
_format : TPTCFormat;}
I : Integer;
{ modefound : Integer;}
modetype : Integer;
Begin
If Not _mode.valid Then
Raise TPTCError.Create('invalid mode');
If _mode.format.indexed Then
modetype := INDEX8
Else
If _mode.format.bits = 8 Then
modetype := RGB332
Else
modetype := FAKEMODE;
internal_pre_open_setup(_title);
internal_open_fullscreen_start;
internal_open_fullscreen(modetype);
internal_open_fullscreen_finish(_pages);
internal_post_open_setup;
End;
Procedure VGAConsole.close;
Begin
If m_open Then
Begin
If m_locked Then
Raise TPTCError.Create('console is still locked');
{ flush all key presses }
While KeyPressed Do ReadKey;
internal_close;
m_open := False;
End;
End;
Procedure VGAConsole.flush;
Begin
check_open;
check_unlocked;
End;
Procedure VGAConsole.finish;
Begin
check_open;
check_unlocked;
End;
Procedure VGAConsole.vga_load(data : Pointer); ASSembler;
Asm
push es
mov ax, fs
mov es, ax
mov ecx, 64000/4
mov esi, [data]
mov edi, 0A0000h
cld
rep movsd
pop es
End;
Procedure VGAConsole.update;
Var
framebuffer : PInteger;
Begin
check_open;
check_unlocked;
Case m_CurrentMode Of
0, 1 : Begin
While (inportb($3DA) And 8) <> 0 Do;
While (inportb($3DA) And 8) = 0 Do;
vga_load(m_primary);
End;
2 : fakemode_load(m_primary, True);
End;
{ WriteToVideoMemory(m_primary, 0, m_pitch * m_height);}
End;
Procedure VGAConsole.update(Const _area : TPTCArea);
Begin
update;
End;
Procedure VGAConsole.internal_ReadKey(k : TPTCKey);
Begin
check_open;
m_keyboard.internal_ReadKey(k);
End;
Function VGAConsole.internal_PeekKey(k : TPTCKey) : Boolean;
Begin
check_open;
Result := m_keyboard.internal_PeekKey(k);
End;
Procedure VGAConsole.copy(Var surface : TPTCBaseSurface);
Var
pixels : Pointer;
Begin
check_open;
check_unlocked;
pixels := lock;
Try
surface.load(pixels, width, height, pitch, format, palette);
unlock;
Except
On error : TPTCError Do
Begin
unlock;
Raise TPTCError.Create('failed to copy console to surface', error);
End;
End;
End;
Procedure VGAConsole.copy(Var surface : TPTCBaseSurface;
Const source, destination : TPTCArea);
Var
pixels : Pointer;
Begin
check_open;
check_unlocked;
pixels := lock;
Try
surface.load(pixels, width, height, pitch, format, palette, source, destination);
unlock;
Except
On error : TPTCError Do
Begin
unlock;
Raise TPTCError.Create('failed to copy console to surface', error);
End;
End;
End;
Function VGAConsole.lock : Pointer;
Var
pixels : Pointer;
Begin
check_open;
If m_locked Then
Raise TPTCError.Create('console is already locked');
pixels := m_primary;
m_locked := True;
lock := pixels;
End;
Procedure VGAConsole.unlock;
Begin
check_open;
If Not m_locked Then
Raise TPTCError.Create('console is not locked');
m_locked := False;
End;
Procedure VGAConsole.load(Const pixels : Pointer;
_width, _height, _pitch : Integer;
Const _format : TPTCFormat;
Const _palette : TPTCPalette);
Var
Area_ : TPTCArea;
console_pixels : Pointer;
Begin
check_open;
check_unlocked;
If clip.Equals(area) Then
Begin
console_pixels := lock;
Try
Try
m_copy.request(_format, format);
m_copy.palette(_palette, palette);
m_copy.copy(pixels, 0, 0, _width, _height, _pitch, console_pixels, 0, 0,
width, height, pitch);
Except
On error : TPTCError Do
Begin
Raise TPTCError.Create('failed to load pixels to console', error);
End;
End;
Finally
unlock;
End;
End
Else
Begin
Area_ := TPTCArea.Create(0, 0, width, height);
Try
load(pixels, _width, _height, _pitch, _format, _palette, Area_, area);
Finally
Area_.Destroy;
End;
End;
End;
Procedure VGAConsole.load(Const pixels : Pointer;
_width, _height, _pitch : Integer;
Const _format : TPTCFormat;
Const _palette : TPTCPalette;
Const source, destination : TPTCArea);
Var
console_pixels : Pointer;
clipped_source, clipped_destination : TPTCArea;
tmp : TPTCArea;
Begin
check_open;
check_unlocked;
clipped_destination := Nil;
clipped_source := TPTCArea.Create;
Try
clipped_destination := TPTCArea.Create;
console_pixels := lock;
Try
Try
tmp := TPTCArea.Create(0, 0, _width, _height);
Try
TPTCClipper.clip(source, tmp, clipped_source, destination, clip, clipped_destination);
Finally
tmp.Destroy;
End;
m_copy.request(_format, format);
m_copy.palette(_palette, palette);
m_copy.copy(pixels, clipped_source.left, clipped_source.top, clipped_source.width, clipped_source.height, _pitch,
console_pixels, clipped_destination.left, clipped_destination.top, clipped_destination.width, clipped_destination.height, pitch);
Except
On error:TPTCError Do
Begin
Raise TPTCError.Create('failed to load pixels to console area', error);
End;
End;
Finally
unlock;
End;
Finally
clipped_source.Destroy;
If clipped_destination <> Nil Then
clipped_destination.Destroy;
End;
End;
Procedure VGAConsole.save(pixels : Pointer;
_width, _height, _pitch : Integer;
Const _format : TPTCFormat;
Const _palette : TPTCPalette);
Var
Area_ : TPTCArea;
console_pixels : Pointer;
Begin
check_open;
check_unlocked;
If clip.Equals(area) Then
Begin
console_pixels := lock;
Try
Try
m_copy.request(format, _format);
m_copy.palette(palette, _palette);
m_copy.copy(console_pixels, 0, 0, width, height, pitch, pixels, 0, 0,
_width, _height, _pitch);
Except
On error : TPTCError Do
Begin
Raise TPTCError.Create('failed to save console pixels', error);
End;
End;
Finally
unlock;
End;
End
Else
Begin
Area_ := TPTCArea.Create(0, 0, width, height);
Try
save(pixels, _width, _height, _pitch, _format, _palette, area, Area_);
Finally
Area_.Destroy;
End;
End;
End;
Procedure VGAConsole.save(pixels : Pointer;
_width, _height, _pitch : Integer;
Const _format : TPTCFormat;
Const _palette : TPTCPalette;
Const source, destination : TPTCArea);
Var
console_pixels : Pointer;
clipped_source, clipped_destination : TPTCArea;
tmp : TPTCArea;
Begin
check_open;
check_unlocked;
clipped_destination := Nil;
clipped_source := TPTCArea.Create;
Try
clipped_destination := TPTCArea.Create;
console_pixels := lock;
Try
Try
tmp := TPTCArea.Create(0, 0, _width, _height);
Try
TPTCClipper.clip(source, clip, clipped_source, destination, tmp, clipped_destination);
Finally
tmp.Destroy;
End;
m_copy.request(format, _format);
m_copy.palette(palette, _palette);
m_copy.copy(console_pixels, clipped_source.left, clipped_source.top, clipped_source.width, clipped_source.height, pitch,
pixels, clipped_destination.left, clipped_destination.top, clipped_destination.width, clipped_destination.height, _pitch);
Except
On error:TPTCError Do
Begin
Raise TPTCError.Create('failed to save console area pixels', error);
End;
End;
Finally
unlock;
End;
Finally
clipped_source.Destroy;
If clipped_destination <> Nil Then
clipped_destination.Destroy;
End;
End;
Procedure VGAConsole.clear;
Var
tmp : TPTCColor;
Begin
check_open;
check_unlocked;
If format.direct Then
tmp := TPTCColor.Create(0, 0, 0, 0)
Else
tmp := TPTCColor.Create(0);
Try
clear(tmp);
Finally
tmp.Destroy;
End;
End;
Procedure VGAConsole.clear(Const color : TPTCColor);
Var
tmp : TPTCArea;
Begin
check_open;
check_unlocked;
tmp := TPTCArea.Create;
Try
clear(color, tmp);
Finally
tmp.Destroy;
End;
End;
Procedure VGAConsole.clear(Const color : TPTCColor;
Const _area : TPTCArea);
Begin
{...}
End;
Procedure VGAConsole.palette(Const _palette : TPTCPalette);
Begin
check_open;
If format.indexed Then
Begin
m_palette.load(_palette.data);
internal_SetPalette(_palette.data);
End;
End;
Function VGAConsole.palette : TPTCPalette;
Begin
check_open;
palette := m_palette;
End;
Procedure VGAConsole.clip(Const _area : TPTCArea);
Var
tmp : TPTCArea;
Begin
check_open;
tmp := TPTCClipper.clip(_area, m_area);
Try
m_clip.ASSign(tmp);
Finally
tmp.Destroy;
End;
End;
Function VGAConsole.width : Integer;
Begin
check_open;
width := m_width;
End;
Function VGAConsole.height : Integer;
Begin
check_open;
height := m_height;
End;
Function VGAConsole.pitch : Integer;
Begin
check_open;
pitch := m_pitch;
End;
Function VGAConsole.pages : Integer;
Begin
check_open;
pages := 2;{m_primary.pages;}
End;
Function VGAConsole.area : TPTCArea;
Begin
check_open;
area := m_area;
End;
Function VGAConsole.clip : TPTCArea;
Begin
check_open;
clip := m_clip;
End;
Function VGAConsole.format : TPTCFormat;
Begin
check_open;
format := m_modes[m_CurrentMode].format;
End;
Function VGAConsole.name : String;
Begin
name := 'VGA';
End;
Function VGAConsole.title : String;
Begin
End;
Function VGAConsole.information : String;
Begin
End;
Procedure VGAConsole.internal_pre_open_setup(Const _title : String);
Begin
End;
Procedure VGAConsole.internal_open_fullscreen_start;
{Var
f : TPTCFormat;}
Begin
{ f := TPTCFormat.Create(32, $0000FF, $00FF00, $FF0000);}
{ m_160x100buffer := TPTCSurface.Create(160, 100, f);}
{ f.Destroy;}
{ set80x50;}
End;
Procedure VGAConsole.internal_open_fullscreen(ModeType : Integer);
Var
tmp : TPTCArea;
Begin
VGASetMode(320, 200, ModeType, m_faketype);
Case ModeType Of
INDEX8 : Begin
m_CurrentMode := 0;
m_pitch := 320;
End;
RGB332 : Begin
m_CurrentMode := 1;
m_pitch := 320;
End;
FAKEMODE : Begin
m_CurrentMode := 2;
m_pitch := 640;
End;
End;
m_width := 320;
m_height := 200;
tmp := TPTCArea.Create(0, 0, width, height);
Try
m_area.ASSign(tmp);
m_clip.ASSign(tmp);
Finally
tmp.Destroy;
End;
End;
Procedure VGAConsole.internal_open_fullscreen_finish(_pages : Integer);
Begin
If m_primary <> Nil Then
FreeMem(m_primary);
m_primary := GetMem(m_height * m_pitch);
End;
Procedure VGAConsole.internal_post_open_setup;
Begin
If m_keyboard <> Nil Then
m_keyboard.Destroy;
m_keyboard := TDosKeyboard.Create;
{ temporary platform dependent information fudge }
{sprintf(m_information,"dos version x.xx.x\nvesa version x.xx\nvesa driver name xxxxx\ndisplay driver vendor xxxxx\ncertified driver? x\n");}
{ set open flag }
m_open := True;
End;
Procedure VGAConsole.internal_reset;
Begin
If m_primary <> Nil Then
FreeMem(m_primary);
m_primary := Nil;
If m_keyboard <> Nil Then
m_keyboard.Destroy;
m_keyboard := Nil;
{ m_primary.Destroy;}
{ m_keyboard.Destroy;}
{ m_primary := Nil;}
{ m_keyboard := Nil;}
End;
Procedure VGAConsole.internal_close;
Begin
If m_primary <> Nil Then
Begin
FreeMem(m_primary);
m_primary := Nil;
End;
RestoreTextMode;
End;
Procedure VGAConsole.internal_SetPalette(data : Pint32);
Var
i : Integer;
c : DWord;
Begin
outportb($3C8, 0);
For i := 0 To 255 Do
Begin
c := (data^ Shr 2) And $003F3F3F;
outportb($3C9, c Shr 16);
outportb($3C9, c Shr 8);
outportb($3C9, c);
Inc(data);
End;
End;
Procedure VGAConsole.check_open;
Begin
{$IFDEF DEBUG}
If Not m_open Then
Raise TPTCError.Create('console is not open');
{$ELSE}
{$ENDIF}
End;
Procedure VGAConsole.check_unlocked;
Begin
{$IFDEF DEBUG}
If m_locked Then
Raise TPTCError.Create('console is not unlocked');
{$ELSE}
{$ENDIF}
End;
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