vpWin32API.cpp

/*
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2024 by Inria. All rights reserved.
 *
 * This software 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.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See https://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * GDI renderer for windows 32 display
 */
 
#include <iostream>
#include <visp3/core/vpConfig.h>
 
#if (defined(VISP_HAVE_GDI) || defined(VISP_HAVE_D3D9))
#include <visp3/core/vpTime.h>
#include <visp3/gui/vpWin32API.h>
 
BEGIN_VISP_NAMESPACE
 
DWORD vpProcessErrors(const std::string &api_name)
{
  LPVOID lpMsgBuf;
  DWORD err = GetLastError();
 
  FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr, err,
                MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&lpMsgBuf, 0, nullptr);
  std::cout << "call to " << api_name << " failed with the following error code: " << err << "(" << (LPTSTR)lpMsgBuf
    << ")" << std::endl;
  return err;
}
 
BOOL vpLineTo(HDC hdc, int nXEnd, int nYEnd)
{
  BOOL ret = LineTo(hdc, nXEnd, nYEnd);
  if (ret == 0)
    vpProcessErrors("LineTo");
  return ret;
}
 
BOOL vpMoveToEx(HDC hdc, int X, int Y, LPPOINT lpPoint)
{
  BOOL ret = MoveToEx(hdc, X, Y, lpPoint);
  if (ret == 0)
    vpProcessErrors("MoveToEx");
  return ret;
}
 
BOOL vpBitBlt(HDC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HDC hdcSrc, int nXSrc, int nYSrc,
              DWORD dwRop)
{
  BOOL ret = BitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, dwRop);
  if (ret == 0)
    vpProcessErrors("BitBlt");
  return ret;
}
 
BOOL vpInvalidateRect(HWND hWnd, const RECT *lpRect, BOOL bErase)
{
  BOOL ret = InvalidateRect(hWnd, lpRect, bErase);
  if (ret == 0)
    vpProcessErrors("InvalidateRect");
  return ret;
}
 
void vpSelectObject(HWND hWnd, HDC hDC, HDC hDCMem, HGDIOBJ h)
{
 
  HGDIOBJ ret = SelectObject(hDCMem, h);
  if (ret == nullptr) {
    vpProcessErrors("SelectObject");
 
    double ms = vpTime::measureTimeMs();
 
    while (ret == nullptr && vpTime::measureTimeMs() - ms < 5000) {
      DeleteObject(h);
      DeleteDC(hDCMem);
      ReleaseDC(hWnd, hDC);
    }
  }
}
 
BOOL vpReleaseSemaphore(HANDLE hSemaphore, LONG IReleaseCount, LPLONG lpPreviousCount)
{
  BOOL ret = ReleaseSemaphore(hSemaphore, IReleaseCount, lpPreviousCount);
#ifndef __MINGW32__
  if (ret == 0) {
    vpProcessErrors("ReleaseSemaphore");
  }
#endif
  return ret;
}
 
void vpEnterCriticalSection(LPCRITICAL_SECTION lpCriticalSection) { EnterCriticalSection(lpCriticalSection); }
void vpLeaveCriticalSection(LPCRITICAL_SECTION lpCriticalSection) { LeaveCriticalSection(lpCriticalSection); }
 
COLORREF vpSetPixel(HDC hdc, int X, int Y, COLORREF crColor)
{
  COLORREF ret = SetPixel(hdc, X, Y, crColor);
  if (ret == 0)
    vpProcessErrors("SetPixel");
  return ret;
}
 
HBITMAP vpCreateBitmap(int nWidth, int nHeight, UINT cPlanes, UINT cBitsPerPel, const VOID *lpvBits)
{
  HBITMAP ret = CreateBitmap(nWidth, nHeight, cPlanes, cBitsPerPel, lpvBits);
  if (ret == nullptr)
    vpProcessErrors("CreateBitmap");
 
  return ret;
}
 
END_VISP_NAMESPACE
 
#elif !defined(VISP_BUILD_SHARED_LIBS)
// Work around to avoid warning: libvisp_gui.a(vpWin32API.cpp.o) has no symbols
void dummy_vpWin32API() { }
#endif