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Delphi-OpenCV/source/ocv.lib.pas
Laentir Valetov 2b3b89fb4b Fixed #58 
Signed-off-by: Laentir Valetov <laex@bk.ru>
2016-10-25 12:06:22 +04:00

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(*
**************************************************************************************************
Project Delphi-OpenCV
**************************************************************************************************
Contributor:
Laentir Valetov
email:laex@bk.ru
Mikhail Grigorev
email:sleuthound@gmail.com
**************************************************************************************************
You may retrieve the latest version of this file at the GitHub,
located at git://github.com/Laex/Delphi-OpenCV.git
**************************************************************************************************
License:
The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License");
you may not use this file except in compliance with the License. You may obtain a copy of the
License at http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
ANY KIND, either express or implied. See the License for the specific language governing rights
and limitations under the License.
Alternatively, the contents of this file may be used under the terms of the
GNU Lesser General Public License (the "LGPL License"), in which case the
provisions of the LGPL License are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the LGPL License and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the LGPL
License. If you do not delete the provisions above, a recipient may use
your version of this file under either the MPL or the LGPL License.
For more information about the LGPL: http://www.gnu.org/copyleft/lesser.html
**************************************************************************************************
*)
unit ocv.lib;
{$I OpenCV.inc}
interface
const
{$IFDEF DelphiOCVVersion_29}
CV_VERSION_EPOCH = '2';
CV_VERSION_MAJOR = '4';
CV_VERSION_MINOR = '13';
CV_VERSION_REVISION = '0';
{$ELSEIF DEFINED(DelphiOCVVersion_30)}
CV_VERSION_EPOCH = '3';
CV_VERSION_MAJOR = '0';
CV_VERSION_MINOR = '0';
CV_VERSION_REVISION = '0';
{$ENDIF}
CV_VERSION = CV_VERSION_EPOCH + '.' + CV_VERSION_MAJOR + '.' + CV_VERSION_MINOR + '.' + CV_VERSION_REVISION;
// * old style version constants*/
CV_MAJOR_VERSION = CV_VERSION_EPOCH;
CV_MINOR_VERSION = CV_VERSION_MAJOR;
CV_SUBMINOR_VERSION = CV_VERSION_MINOR;
CV_VERSION_DLL = CV_VERSION_EPOCH + CV_VERSION_MAJOR + CV_VERSION_MINOR;
{$IFDEF MSWINDOWS}
{$IFDEF CPUX86}
CV_DLL_DIR = ''; // 'Win32\';
{$ELSE}
CV_DLL_DIR = ''; // 'Win64\';
{$ENDIF}
{$ELSE}
{$ENDIF}
// -------------------------------
core_lib =
{$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'core' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_core.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_core.so';
{$ELSE}
'libopencv_core.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
highgui_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'highgui' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_highgui.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_highgui.so';
{$ELSE}
'libopencv_highgui.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
features2d_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'features2d' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_features2d.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_features2d.so';
{$ELSE}
'libopencv_features2d.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
imgproc_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'imgproc' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_imgproc.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_imgproc.so';
{$ELSE}
'libopencv_imgproc.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
objdetect_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'objdetect' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_objdetect.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_objdetect.so';
{$ELSE}
'libopencv_objdetect.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
legacy_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'legacy' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_legacy.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_legacy.so';
{$ELSE}
'libopencv_legacy.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
calib3d_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'calib3d' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_calib3d.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_calib3d.so';
{$ELSE}
'libopencv_calib3d.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
tracking_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'video' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_video.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_video.so';
{$ELSE}
'libopencv_video.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
nonfree_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'nonfree' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_nonfree.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_nonfree.so';
{$ELSE}
'libopencv_nonfree.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
opencv_classes_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_classes' + CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_classes.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_classes.so';
{$ELSE}
'libopencv_classes.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
opencv_photo_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'photo' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_photo.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_photo.so';
{$ELSE}
'libopencv_photo.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
opencv_contrib_lib = {$IFDEF MSWINDOWS}
CV_DLL_DIR + 'opencv_' +
{$IFDEF DelphiOCVVersion_29}
'contrib' +
{$ELSEIF DEFINED( DelphiOCVVersion_30)}
'world' +
{$ENDIF}
CV_VERSION_DLL {$IFDEF DEBUG} + 'd'{$ENDIF} + '.dll';
{$ELSE}
{$IFDEF MACOS}
'opencv_contrib.dylib';
{$ELSE}
{$IFDEF ANDROID}
'libopencv_contrib.so';
{$ELSE}
'libopencv_contrib.so';
{$ENDIF}
{$ENDIF}
{$ENDIF}
// -------------------------------
//
//
// -------------------------------
//
{$IFDEF SAFELOADLIB}
function ocvLoadLibrary(const Name: String): Cardinal;
function ocvFreeLibrary(const LibHandle: Cardinal; const Remove: Boolean = true): Boolean;
function ocvGetProcAddress(const ProcName: String; const LibHandle: Cardinal = 0; const Check: Boolean = true): Pointer;
procedure ocvErrorMessage(const ErrorText: String);
{$ENDIF}
implementation
{$IFDEF SAFELOADLIB}
Uses
Winapi.Windows,
System.Generics.Collections,
ocv.utils;
procedure ocvErrorMessage(const ErrorText: String);
begin
if IsConsole then
begin
Writeln(ErrorText);
Writeln('Press ENTER for exit');
Readln;
end
else
MessageBox(0, LPCWSTR(ErrorText), 'Error', MB_OK);
Halt(1);
end;
{$IFDEF USE_STUB_FOR_MISS_FUNC}
procedure STUB_PROC;
begin
ocvErrorMessage('STUB: Call missing functions');
end;
{$ENDIF}
Type
TOCVLibHandles = TDictionary<String, Cardinal>;
Var
OCVLibHandles: TOCVLibHandles;
function ocvLoadLibrary(const Name: String): Cardinal;
begin
if not OCVLibHandles.TryGetValue(Name, Result) then
begin
{$R-}
Result := LoadLibrary(LPCWSTR(@Name[1]));
{$R+}
if Result = 0 then
ocvErrorMessage('Can not load DLL: ' + Name);
OCVLibHandles.Add(Name, Result);
end;
end;
function ocvFreeLibrary(const LibHandle: Cardinal; const Remove: Boolean): Boolean;
Var
P: TPair<String, Cardinal>;
begin
if LibHandle = 0 then
Result := False
else
begin
Result := FreeLibrary(LibHandle);
if Remove and OCVLibHandles.ContainsValue(LibHandle) then
for P in OCVLibHandles do
if P.Value = LibHandle then
begin
OCVLibHandles.Remove(P.Key);
Break;
end;
end;
end;
function ocvGetProcAddress(const ProcName: String; const LibHandle: Cardinal; const Check: Boolean): Pointer;
begin
if LibHandle = 0 then
Result := nil
else
Result := GetProcAddress(LibHandle, c_str(ProcName));
if not Assigned(Result) then
{$IFDEF USE_STUB_FOR_MISS_FUNC}
Result := @STUB_PROC;
{$ELSE}
ocvErrorMessage('Can not load procedure or function: ' + ProcName);
{$ENDIF}
end;
procedure ocvFreeLibraries;
Var
P: TPair<String, Cardinal>;
begin
for P in OCVLibHandles do
ocvFreeLibrary(P.Value, False);
OCVLibHandles.Clear;
end;
initialization
OCVLibHandles := TOCVLibHandles.Create;
finalization
ocvFreeLibraries;
OCVLibHandles.Free;
{$ENDIF}
end.
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