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131 lines
3.3 KiB
PHP
131 lines
3.3 KiB
PHP
{
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Free Pascal port of the OpenPTC C++ library.
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Copyright (C) 2001-2003 Nikolay Nikolov (nickysn@users.sourceforge.net)
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Original C++ version by Glenn Fiedler (ptc@gaffer.org)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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}
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Constructor TPTCPalette.Create;
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Var
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zero : Array[0..255] Of int32;
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Begin
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m_locked := False;
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If Not Hermes_Init Then
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Raise TPTCError.Create('could not initialize hermes');
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m_handle := Hermes_PaletteInstance;
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If m_handle = 0 Then
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Raise TPTCError.Create('could not create hermes palette instance');
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FillChar(zero, SizeOf(zero), 0);
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load(zero);
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End;
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Constructor TPTCPalette.Create(Const _data : Array Of int32);
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Begin
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m_locked := False;
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If Not Hermes_Init Then
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Raise TPTCError.Create('could not initialize hermes');
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m_handle := Hermes_PaletteInstance;
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If m_handle = 0 Then
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Raise TPTCError.Create('could not create hermes palette instance');
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load(_data);
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End;
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Constructor TPTCPalette.Create(Const palette : TPTCPalette);
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Begin
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m_locked := False;
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If Not Hermes_Init Then
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Raise TPTCError.Create('could not initialize hermes');
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m_handle := Hermes_PaletteInstance;
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If m_handle = 0 Then
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Raise TPTCError.Create('could not create hermes palette instance');
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ASSign(palette);
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End;
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Destructor TPTCPalette.Destroy;
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Begin
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If m_locked Then
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Raise TPTCError.Create('palette is still locked');
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Hermes_PaletteReturn(m_handle);
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Hermes_Done;
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Inherited Destroy;
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End;
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Procedure TPTCPalette.Assign(Const palette : TPTCPalette);
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Begin
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If Self = palette Then
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Raise TPTCError.Create('self assignment is not allowed');
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Hermes_PaletteSet(m_handle, Hermes_PaletteGet(palette.m_handle));
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End;
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Function TPTCPalette.Equals(Const palette : TPTCPalette) : Boolean;
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Begin
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Equals := CompareDWord(Hermes_PaletteGet(m_handle)^, Hermes_PaletteGet(palette.m_handle)^, 1024 Div 4) = 0;
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End;
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Function TPTCPalette.lock : Pint32;
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Begin
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If m_locked Then
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Raise TPTCError.Create('palette is already locked');
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m_locked := True;
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lock := Hermes_PaletteGet(m_handle);
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End;
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Procedure TPTCPalette.unlock;
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Begin
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If Not m_locked Then
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Raise TPTCError.Create('palette is not locked');
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m_locked := False;
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End;
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Procedure TPTCPalette.load(Const _data : Array Of int32);
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Begin
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Hermes_PaletteSet(m_handle, @_data);
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End;
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Procedure TPTCPalette.load(_data : Pointer);
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Begin
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Hermes_PaletteSet(m_handle, _data);
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End;
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Procedure TPTCPalette.save(Var _data : Array Of int32);
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Begin
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Move(Hermes_PaletteGet(m_handle)^, _data, 1024);
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End;
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Procedure TPTCPalette.save(_data : Pointer);
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Begin
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Move(Hermes_PaletteGet(m_handle)^, _data^, 1024);
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End;
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Function TPTCPalette.data : Pint32;
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Begin
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data := Hermes_PaletteGet(m_handle);
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End;
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