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unit OpenCTM;
//------------------------------------------------------------------------------
// Product: OpenCTM
// File: OpenCTM.pas
// Description: Delphi API bindings.
//-----------------------------------------------------------------------------
// Copyright (c) 2009-2010 Marcus Geelnard
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//------------------------------------------------------------------------------
interface
//------------------------------------------------------------------------------
// Types
//------------------------------------------------------------------------------
type
// Basic types
TCTMfloat = Single;
TCTMint = Integer;
TCTMuint = Cardinal;
TCTMcontext = Pointer;
TCTMenum = Cardinal;
// Pointer types
PCTMfloat = ^TCTMfloat;
PCTMint = ^TCTMint;
PCTMuint = ^TCTMuint;
// Callback function pointer types
TCTMreadfn = function (ABuf: Pointer; ACount: TCTMuint; AUserData: Pointer): TCTMuint; stdcall;
TCTMwritefn = function (ABuf: Pointer; ACount: TCTMuint; AUserData: Pointer): TCTMuint; stdcall;
//------------------------------------------------------------------------------
// Constants
//------------------------------------------------------------------------------
const
CTM_API_VERSION = $00000100;
CTM_TRUE = 1;
CTM_FALSE = 0;
// TCTMenum
CTM_NONE = $0000;
CTM_INVALID_CONTEXT = $0001;
CTM_INVALID_ARGUMENT = $0002;
CTM_INVALID_OPERATION = $0003;
CTM_INVALID_MESH = $0004;
CTM_OUT_OF_MEMORY = $0005;
CTM_FILE_ERROR = $0006;
CTM_BAD_FORMAT = $0007;
CTM_LZMA_ERROR = $0008;
CTM_INTERNAL_ERROR = $0009;
CTM_UNSUPPORTED_FORMAT_VERSION = $000A;
CTM_IMPORT = $0101;
CTM_EXPORT = $0102;
CTM_METHOD_RAW = $0201;
CTM_METHOD_MG1 = $0202;
CTM_METHOD_MG2 = $0203;
CTM_VERTEX_COUNT = $0301;
CTM_TRIANGLE_COUNT = $0302;
CTM_HAS_NORMALS = $0303;
CTM_UV_MAP_COUNT = $0304;
CTM_ATTRIB_MAP_COUNT = $0305;
CTM_VERTEX_PRECISION = $0306;
CTM_NORMAL_PRECISION = $0307;
CTM_COMPRESSION_METHOD = $0308;
CTM_FILE_COMMENT = $0309;
CTM_NAME = $0501;
CTM_FILE_NAME = $0502;
CTM_PRECISION = $0503;
CTM_INDICES = $0601;
CTM_VERTICES = $0602;
CTM_NORMALS = $0603;
CTM_UV_MAP_1 = $0700;
CTM_UV_MAP_2 = $0701;
CTM_UV_MAP_3 = $0702;
CTM_UV_MAP_4 = $0703;
CTM_UV_MAP_5 = $0704;
CTM_UV_MAP_6 = $0705;
CTM_UV_MAP_7 = $0706;
CTM_UV_MAP_8 = $0707;
CTM_ATTRIB_MAP_1 = $0800;
CTM_ATTRIB_MAP_2 = $0801;
CTM_ATTRIB_MAP_3 = $0802;
CTM_ATTRIB_MAP_4 = $0803;
CTM_ATTRIB_MAP_5 = $0804;
CTM_ATTRIB_MAP_6 = $0805;
CTM_ATTRIB_MAP_7 = $0806;
CTM_ATTRIB_MAP_8 = $0807;
//------------------------------------------------------------------------------
// Function prototypes
//------------------------------------------------------------------------------
function ctmNewContext(AMode: TCTMenum): TCTMcontext; stdcall;
procedure ctmFreeContext(AContext: TCTMcontext); stdcall;
function ctmGetError(AContext: TCTMcontext): TCTMenum; stdcall;
function ctmErrorString(AError: TCTMenum): PChar; stdcall;
function ctmGetInteger(AContext: TCTMcontext; AProperty: TCTMenum): TCTMuint; stdcall;
function ctmGetFloat(AContext: TCTMcontext; AProperty: TCTMenum): TCTMfloat; stdcall;
function ctmGetIntegerArray(AContext: TCTMcontext; AProperty: TCTMenum): PCTMuint; stdcall;
function ctmGetFloatArray(AContext: TCTMcontext; AProperty: TCTMenum): PCTMfloat; stdcall;
function ctmGetNamedUVMap(AContext: TCTMcontext; AName: PChar): TCTMenum; stdcall;
function ctmGetUVMapString(AContext: TCTMcontext; AUVMap: TCTMenum; AProperty: TCTMenum): PChar; stdcall;
function ctmGetUVMapFloat(AContext: TCTMcontext; AUVMap: TCTMenum; AProperty: TCTMenum): TCTMfloat; stdcall;
function ctmGetNamedAttribMap(AContext: TCTMcontext; AName: PChar): TCTMenum; stdcall;
function ctmGetAttribMapString(AContext: TCTMcontext; AAttribMap: TCTMenum; AProperty: TCTMenum): PChar; stdcall;
function ctmGetAttribMapFloat(AContext: TCTMcontext; AAttribMap: TCTMenum; AProperty: TCTMenum): TCTMfloat; stdcall;
function ctmGetString(AContext: TCTMcontext; AProperty: TCTMenum): PChar; stdcall;
procedure ctmCompressionMethod(AContext: TCTMcontext; AMethod: TCTMenum); stdcall;
procedure ctmCompressionLevel(AContext: TCTMcontext; ALevel: TCTMuint); stdcall;
procedure ctmVertexPrecision(AContext: TCTMcontext; APrecision: TCTMfloat); stdcall;
procedure ctmVertexPrecisionRel(AContext: TCTMcontext; ARelPrecision: TCTMfloat); stdcall;
procedure ctmNormalPrecision(AContext: TCTMcontext; APrecision: TCTMfloat); stdcall;
procedure ctmUVCoordPrecision(AContext: TCTMcontext; AUVMap: TCTMenum; APrecision: TCTMfloat); stdcall;
procedure ctmAttribPrecision(AContext: TCTMcontext; AAttribMap: TCTMenum; APrecision: TCTMfloat); stdcall;
procedure ctmFileComment(AContext: TCTMcontext; AFileComment: PChar); stdcall;
procedure ctmDefineMesh(AContext: TCTMcontext; AVertices: PCTMfloat; AVertexCount: TCTMuint; AIndices: PCTMuint; ATriangleCount: TCTMuint; ANormals: PCTMfloat); stdcall;
function ctmAddUVMap(AContext: TCTMcontext; AUVCoords: PCTMfloat; AName: PChar; AFileName: PChar): TCTMenum; stdcall;
function ctmAddAttribMap(AContext: TCTMcontext; AAttribValues: PCTMfloat; AName: PChar): TCTMenum; stdcall;
procedure ctmLoad(AContext: TCTMcontext; AFileName: PChar); stdcall;
procedure ctmLoadCustom(AContext: TCTMcontext; AReadFn: TCTMreadfn; AUserData: Pointer); stdcall;
procedure ctmSave(AContext: TCTMcontext; AFileName: PChar); stdcall;
procedure ctmSaveCustom(AContext: TCTMcontext; AWriteFn: TCTMwritefn; AUserData: Pointer); stdcall;
implementation
//------------------------------------------------------------------------------
// DLL interface
//------------------------------------------------------------------------------
const
DLLNAME = 'openctm.dll';
function ctmNewContext; external DLLNAME;
procedure ctmFreeContext; external DLLNAME;
function ctmGetError; external DLLNAME;
function ctmErrorString; external DLLNAME;
function ctmGetInteger; external DLLNAME;
function ctmGetFloat; external DLLNAME;
function ctmGetIntegerArray; external DLLNAME;
function ctmGetFloatArray; external DLLNAME;
function ctmGetNamedUVMap; external DLLNAME;
function ctmGetUVMapString; external DLLNAME;
function ctmGetUVMapFloat; external DLLNAME;
function ctmGetNamedAttribMap; external DLLNAME;
function ctmGetAttribMapString; external DLLNAME;
function ctmGetAttribMapFloat; external DLLNAME;
function ctmGetString; external DLLNAME;
procedure ctmCompressionMethod; external DLLNAME;
procedure ctmCompressionLevel; external DLLNAME;
procedure ctmVertexPrecision; external DLLNAME;
procedure ctmVertexPrecisionRel; external DLLNAME;
procedure ctmNormalPrecision; external DLLNAME;
procedure ctmUVCoordPrecision; external DLLNAME;
procedure ctmAttribPrecision; external DLLNAME;
procedure ctmFileComment; external DLLNAME;
procedure ctmDefineMesh; external DLLNAME;
function ctmAddUVMap; external DLLNAME;
function ctmAddAttribMap; external DLLNAME;
procedure ctmLoad; external DLLNAME;
procedure ctmLoadCustom; external DLLNAME;
procedure ctmSave; external DLLNAME;
procedure ctmSaveCustom; external DLLNAME;
end.
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