BOOL CChildView::OnEraseBkgnd(CDC* pDC)
{
CRect r;
CAutoLock cAutoLock(&m_csLogo);
CImage img;
img.Attach(m_logo);
if (((CMainFrame*)GetParentFrame())->IsSomethingLoaded()) {
pDC->ExcludeClipRect(m_vrect);
} else if (!img.IsNull()) {
GetClientRect(r);
int w = min(img.GetWidth(), r.Width());
int h = min(img.GetHeight(), r.Height());
int x = (r.Width() - w) / 2;
int y = (r.Height() - h) / 2;
r = CRect(CPoint(x, y), CSize(w, h));
int oldmode = pDC->SetStretchBltMode(STRETCH_HALFTONE);
img.StretchBlt(*pDC, r, CRect(0, 0, img.GetWidth(), img.GetHeight()));
pDC->SetStretchBltMode(oldmode);
pDC->ExcludeClipRect(r);
}
img.Detach();
GetClientRect(r);
pDC->FillSolidRect(r, 0);
return TRUE;
}
void CDrawCtrl::SaveImage()
{
CDC* dc;
dc = GetDC();
CString sFileName;
sFileName.Format(L"\\temp\\Draw_%s.bmp", CUtil::GetCurrentTimeStamp());
CDC memDC;
memDC.CreateCompatibleDC(dc);
BYTE *lpBitmapBits = NULL;
CBitmap bm;
CRect r;
GetClientRect(r);
BITMAPINFO bi;
ZeroMemory(&bi, sizeof(BITMAPINFO));
bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bi.bmiHeader.biWidth = r.Width();
bi.bmiHeader.biHeight = r.Height();
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 24;
HBITMAP bitmap = CreateDIBSection(memDC.GetSafeHdc(), &bi, DIB_RGB_COLORS, (LPVOID*)&lpBitmapBits, NULL, 0);
HGDIOBJ oldbmp = SelectObject(memDC.GetSafeHdc(), bitmap);
BitBlt(memDC.GetSafeHdc(), 0, 0, r.Width(), r.Height(), dc->GetSafeHdc(), 0, 0, SRCCOPY);
BITMAPFILEHEADER bh;
ZeroMemory(&bh, sizeof(BITMAPFILEHEADER));
bh.bfType = 0x4d42; //bitmap
bh.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
bh.bfSize = bh.bfOffBits + ((r.Width()*r.Height())*3);
CFile file;
if(file.Open(sFileName, CFile::modeCreate | CFile::modeWrite))
{
file.Write(&bh, sizeof(BITMAPFILEHEADER));
file.Write(&(bi.bmiHeader), sizeof(BITMAPINFOHEADER));
file.Write(lpBitmapBits, 3 * r.Width() * r.Height());
file.Close();
}
SelectObject(memDC.GetSafeHdc(), oldbmp);
DeleteObject(bitmap);
memDC.DeleteDC();
dc->DeleteDC();
#ifndef _WIN32_WCE
CImage img;
img.Attach((HBITMAP)bm.m_hObject);
img.Save(L"c:\\temp\\teste.jpg", Gdiplus::ImageFormatJPEG);
#endif
}
BOOL CChildView::OnEraseBkgnd(CDC* pDC)
{
CRect r;
CImage img;
img.Attach(m_img);
if ((m_pMainFrame->GetLoadState() != MLS::CLOSED || (!m_bFirstMedia && m_pMainFrame->m_controls.DelayShowNotLoaded())) &&
!m_pMainFrame->IsD3DFullScreenMode() && !m_pMainFrame->m_fAudioOnly) {
pDC->ExcludeClipRect(m_vrect);
} else if (!img.IsNull()) {
const double dImageAR = double(img.GetWidth()) / img.GetHeight();
GetClientRect(r);
int width = r.Width();
int height = r.Height();
if (!m_bCustomImgLoaded) {
// Limit logo size
// TODO: Use vector logo to preserve quality and remove limit.
width = std::min(img.GetWidth(), width);
height = std::min(img.GetHeight(), height);
}
double dImgWidth = height * dImageAR;
double dImgHeight;
if (width < dImgWidth) {
dImgWidth = width;
dImgHeight = dImgWidth / dImageAR;
} else {
dImgHeight = height;
}
int x = std::lround((r.Width() - dImgWidth) / 2.0);
int y = std::lround((r.Height() - dImgHeight) / 2.0);
r = CRect(CPoint(x, y), CSize(std::lround(dImgWidth), std::lround(dImgHeight)));
if (!r.IsRectEmpty()) {
if (m_resizedImg.IsNull() || r.Width() != m_resizedImg.GetWidth() || r.Height() != m_resizedImg.GetHeight() || img.GetBPP() != m_resizedImg.GetBPP()) {
m_resizedImg.Destroy();
m_resizedImg.Create(r.Width(), r.Height(), std::max(img.GetBPP(), 24));
HDC hDC = m_resizedImg.GetDC();
SetStretchBltMode(hDC, STRETCH_HALFTONE);
img.StretchBlt(hDC, 0, 0, r.Width(), r.Height(), SRCCOPY);
m_resizedImg.ReleaseDC();
}
m_resizedImg.BitBlt(*pDC, r.TopLeft());
pDC->ExcludeClipRect(r);
}
}
img.Detach();
GetClientRect(r);
pDC->FillSolidRect(r, 0);
return TRUE;
}
void Utils::SaveBitmapToFile(CBitmap * bmp)
{
CImage image;
CString Path;
Path.Format("C:\\test%d.bmp", counter);
image.Attach(*bmp);
image.Save(Path, Gdiplus::ImageFormatBMP);
image.Detach();
counter++;
}
HRESULT BMPanvas::SaveImage(CString name)
{
HRESULT ret = E_FAIL;
CImage TI;
if(HasImage())
{
TI.Attach(GetHBMP(BMP_DETACH));
ret=TI.Save(name,ImageFormatPNG);
Attach(TI.Detach());
}
return ret;
}
LRESULT CChildView::OnHPTimer(WPARAM wParam, LPARAM)
{
// Get the screen region to copy.
//
CRect rect(MeaToolMgr::Instance().GetRegion());
// Create a memory context and bitmap for it.
//
HDC screenDC = ::CreateDC(_T("DISPLAY"), NULL, NULL, NULL);
HDC memDC = ::CreateCompatibleDC(screenDC);
HBITMAP screenBitmap = ::CreateCompatibleBitmap(screenDC, rect.Width(), rect.Height());
::SelectObject(memDC, screenBitmap);
// Copy the screen region to the bitmap.
//
::BitBlt(memDC, 0, 0, rect.Width(), rect.Height(),
screenDC, rect.left, rect.top, SRCCOPY);
if((MeaTimer *)wParam == &m_screenGrabTimer)
{
// Save bitmap to file
//
CImage img;
CTime currentTime = CTime::GetCurrentTime();
CString newFilename = currentTime.Format(_T("Grab %Y-%m-%d %H.%M.%S"));
CString filePath = (m_screenGrabDirectory == _T("") ? m_screenGrabDirectory : m_screenGrabDirectory + _T("\\"));
CString filename(filePath + newFilename + _T(".png"));
img.Attach(screenBitmap);
img.Save(filename);
img.Detach();
}
else
{
// Put bitmap on the clipboard.
//
::EmptyClipboard();
::SetClipboardData(CF_BITMAP, screenBitmap);
::CloseClipboard();
}
// Cleanup
//
::DeleteDC(screenDC);
MeaToolMgr::Instance().EnableRadioTool();
return 0;
}
void Cmp3taggerDlg::CleanCover()
{
CBitmap nocover;
nocover.LoadBitmap(IDB_NOCOVER);
CImage img;
img.Attach(nocover);
CDC *pdc = m_stCover.GetDC();
HDC hdc = pdc->GetSafeHdc();
SetStretchBltMode(hdc, HALFTONE);
img.StretchBlt(hdc, 0, 0, 150, 150);
}
// クリップボードからビットマップを取得する関数
void SampleClipboard()
{
if(!::IsClipboardFormatAvailable(CF_BITMAP))
{
return;
}
if(!::OpenClipboard(NULL))
{
return;
}
CImage image;
HBITMAP hBitmap = (HBITMAP)::GetClipboardData(CF_BITMAP);
if(hBitmap == NULL)
{
::CloseClipboard();
return;
}
CImage clip;
//
clip.Attach(hBitmap);
// イメージを保持しているデバイス コンテキストを取得
HDC hdc = clip.GetDC();
setTextColor(hdc, RGB(255, 0, 0));
RECT rec;
rec.top = 50;
rec.left = 10;
rec.right = 290;
rec.bottom = 100;
DrawText(hdc, "2019/04/12 XX:XX:XX", -1, &rec, NULL);
clip.Detach();
clip.ReleaseDC();
::CloseClipboard();
// そのままファイルに保存することも可能
// clip.Save(L"sample.png");
}
void MFC_VIEWER::SavePicture(CString path){
CImage img;
img.Attach((HBITMAP)bitmap);
img.Save(path);
}
void CDlgCapCam::UpdateImage(void)
{
int i;
CPen cur_pen, *old_pen=NULL;
CBrush cur_brush,*old_brush = NULL;
CPoint point;
CSize size;
CRect rect_image;
CImage * pimage;
CString str_dis;
CRect client_rect1;
CSize paint_size1;
__time32_t l_time;
if (!m_img_show.IsNull())
{
pimage = &m_img_show;
_time32(&l_time);
CWnd * pDis1 = GetDlgItem(IDC_STATIC_IMGSHOW);
CDC* pDC1 = pDis1->GetDC();
CDC MemDC1;
CBitmap MemBitmap1;
CPen pen_target;
rect_image = CRect(0,0,pimage->GetWidth()-1, pimage->GetHeight()-1);
pDis1->GetClientRect(&client_rect1);
MemDC1.CreateCompatibleDC(pDC1);
MemBitmap1.CreateCompatibleBitmap(pDC1,rect_image.Width(),rect_image.Height());
MemDC1.SelectObject(&MemBitmap1);
MemDC1.SetStretchBltMode(COLORONCOLOR);
pDC1->SetStretchBltMode(COLORONCOLOR);
pimage->BitBlt(MemDC1.GetSafeHdc(),rect_image, CPoint(0,0),SRCCOPY);
//draw other osd targets
pen_target.CreatePen(PS_SOLID, 2, RGB(255, 0, 0));
MemDC1.SelectStockObject(NULL_BRUSH);
MemDC1.SelectObject(&pen_target);
for (i=0; i<m_proc_result_buf.target_set.num; i++)
{
MemDC1.Rectangle(m_proc_result_buf.target_set.targets[i].rect.left,
m_proc_result_buf.target_set.targets[i].rect.bottom,
m_proc_result_buf.target_set.targets[i].rect.right,
m_proc_result_buf.target_set.targets[i].rect.top);
}
//修改事件抓拍为每10秒钟1次
#define SNATCH_TIME_INTER 10
#define SNATCH_TIME_LATE 120
time_t cur_time;
struct tm * now_time;
time(&cur_time);
now_time = localtime(&cur_time);
if (m_proc_result_buf.target_set.num > 0)
{
if (cur_time - m_trigger_snatch_time >= SNATCH_TIME_INTER)
{
//超过10s间隔
ScreenShot(1, SNATCH_TIME_INTER);
m_trigger_snatch_time = cur_time;
}
}
//延续120秒
else if(m_trigger_snatch_time > 0 && cur_time - m_trigger_snatch_time <=SNATCH_TIME_LATE)
{
ScreenShot(SNATCH_TIME_LATE/SNATCH_TIME_INTER, SNATCH_TIME_INTER);
m_trigger_snatch_time = 0;
}
if (!m_proc_result_buf.flg_used)
{
if (m_proc_result_buf.target_set.num)
{
((CSTEvaluationDlg*)pWndParent)->AddTarget(&m_proc_result_buf.target_set);
}
//do event
for (i=0; i<m_proc_result_buf.event_set.num; i++)
{
//摄像头采集的，帧数置零
((CSTEvaluationDlg*)pWndParent)->AddEvent(0,l_time,m_proc_result_buf.event_set.events[i].type);
//同时触发抓拍
//ScreenShot(12, 10);
}
//防止由于刷新，事件被触发两次
m_proc_result_buf.flg_used = TRUE;
}
//---------------------抓拍的操作-------------------
//if (WaitForSingleObject(m_proc_flgscreenshot, 0) == WAIT_OBJECT_0)
if (m_snatch_count>0 && l_time - m_snatch_pretime>=m_snatch_intertime)
{
CImage img;
CString str_name;
time_t cur_time;
struct tm * now_time;
str_name = ((CSTEvaluationDlg*)pWndParent)->file_path;
str_name += +_T("\\screenshot\\");
time(&cur_time);
now_time = localtime(&cur_time);
str_name.AppendFormat(_T("_%012d_alarm.jpg"), cur_time);
img.Attach(MemBitmap1);
img.Save(str_name);
img.Detach();
m_snatch_count--;
m_snatch_pretime = l_time;
}
pDC1->StretchBlt(0,0,STE_IMAGE_WIDTH*2-1,STE_IMAGE_HEIGH*2-1,&MemDC1,0,0,rect_image.Width()-1, rect_image.Height()-1, SRCCOPY);
pDis1->ReleaseDC(pDC1);
}
else
{
pimage = &m_img_def;
CWnd * pDis1 = GetDlgItem(IDC_STATIC_IMGSHOW);
CDC* pDC1 = pDis1->GetDC();
rect_image = CRect(0,0,pimage->GetWidth()-1, pimage->GetHeight()-1);
pDis1->GetClientRect(&client_rect1);
pimage->StretchBlt(pDC1->GetSafeHdc(),client_rect1, rect_image, SRCCOPY);
pDis1->ReleaseDC(pDC1);
}
#ifdef _DEBUG
if (!m_img1.IsNull())
{
pimage = &m_img1;
//CWnd * pDis1 = GetDlgItem(IDC_STATIC_IMGSHOW);
CDC* pDC1 = GetDC();
rect_image = CRect(0,0,pimage->GetWidth()-1, pimage->GetHeight()-1);
GetClientRect(&client_rect1);
pimage->StretchBlt(pDC1->GetSafeHdc(),CRect(380,20, 380+175, 20+143), rect_image);
//pimage->BitBlt(pDC1->GetSafeHdc(), 500,0,352,288, 0,0,SRCCOPY);
ReleaseDC(pDC1);
}
if (!m_img2.IsNull())
{
pimage = &m_img2;
//CWnd * pDis1 = GetDlgItem(IDC_STATIC_IMGSHOW);
CDC* pDC1 = GetDC();
rect_image = CRect(0,0,pimage->GetWidth()-1, pimage->GetHeight()-1);
GetClientRect(&client_rect1);
pimage->StretchBlt(pDC1->GetSafeHdc(),CRect(380,170, 380+175, 170+143), rect_image);
//pimage->BitBlt(pDC1->GetSafeHdc(), 500,0,352,288, 0,0,SRCCOPY);
ReleaseDC(pDC1);
}
if (!m_img3.IsNull())
{
pimage = &m_img3;
//CWnd * pDis1 = GetDlgItem(IDC_STATIC_IMGSHOW);
CDC* pDC1 = GetDC();
rect_image = CRect(0,0,pimage->GetWidth()-1, pimage->GetHeight()-1);
GetClientRect(&client_rect1);
pimage->StretchBlt(pDC1->GetSafeHdc(),CRect(560,20, 560+175, 20+143), rect_image);
//pimage->BitBlt(pDC1->GetSafeHdc(), 500,0,352,288, 0,0,SRCCOPY);
ReleaseDC(pDC1);
}
if (!m_img4.IsNull())
{
pimage = &m_img4;
//CWnd * pDis1 = GetDlgItem(IDC_STATIC_IMGSHOW);
CDC* pDC1 = GetDC();
rect_image = CRect(0,0,pimage->GetWidth()-1, pimage->GetHeight()-1);
GetClientRect(&client_rect1);
pimage->StretchBlt(pDC1->GetSafeHdc(),CRect(560,170, 560+175, 170+143), rect_image);
//pimage->BitBlt(pDC1->GetSafeHdc(), 500,0,352,288, 0,0,SRCCOPY);
ReleaseDC(pDC1);
}
#endif
//因为帧数等信息和图像相关，所以也放在此处更新
__time32_t n_time = 0;
if (m_flg_process)
{
_time32(&n_time);
}
//str_dis.Format(_T("Frame:%06d; Time(s):%06d"), m_proc_result_buf.frame_index, n_time-m_start_time);
str_dis.Format(_T("Frame:%02d; Time: %02dm:%02ds"), m_proc_result_buf.frame_index,
(n_time-m_start_time)/60,
(n_time-m_start_time)%60);
GetDlgItem(IDC_STATIC_STATUS)->SetWindowText(str_dis);
}
bool
EmbedeedFontMan::AddFont(const CString sFontFolder, const CString sFontName){
CString sDir = sFontFolder;
if( sDir.GetAt(sDir.GetLength() - 1) != '\\' )
sDir += _T("\\");
EmbedeedFont* pFont = new EmbedeedFont();
// Load characters code map. {{
BYTE* lpContent = NULL;
int nSize = 0;
if( Path::ReadFileContent(sDir + _T("codes.txt"), lpContent, nSize) && nSize > 0 ){
CString sContent;
memcpy(sContent.GetBufferSetLength(nSize), lpContent, nSize);
CStringArray arrStrings;
StringHelper::Split(&sContent, _T(";"), arrStrings);
CString sCharCode;
for(int i=0; i<arrStrings.GetCount(); i++){
sCharCode = arrStrings.GetAt(i);
int nCharCode = 0;
// Hex value
if( sCharCode.GetAt(0) == '#' )
nCharCode = StringHelper::HexStringIntoInt(&((TCHAR*)sCharCode.GetBuffer())[1], sCharCode.GetLength() - 1);
else
nCharCode = _ttoi(sCharCode.GetBuffer());
pFont->m_arrCharacters.Add((void*)nCharCode, (void*)i);
}
}
else{
#ifdef _DEBUG
CString sMsg;
sMsg.Format(_T("Couldn't find %s"), sDir + _T("codes.txt"));
AfxMessageBox(sMsg);
#endif
if( lpContent )
delete [] lpContent;
delete pFont;
return false;
}
// }}
if( lpContent ){
delete [] lpContent;
lpContent = NULL;
}
CStringArray arrFileNames;
if( Path::GetFilesByExtention(sDir, _T("*.bmp"), arrFileNames, true) == 0 ){
delete pFont;
return false;
}
for(int i=0; i<arrFileNames.GetCount(); i++){
CString sName = arrFileNames.GetAt(i);
CString sName2 = sName;
CString sFile = sDir + sName;
if( sName.Left(sFontName.GetLength()) != sFontName )
continue; // Skip wrong file name.
sName.Delete (0, sFontName.GetLength());
sName.MakeLower ();
int nIndex = 0;
EmbedeedFontItemInfo* pInfo = new EmbedeedFontItemInfo();
pInfo->ZeroInit();
// Bold
if( sName.GetAt(nIndex) == 'b' ){
pInfo->m_nCharFlags |= EmbedeedFontItemInfo::EMBEDEED_FONT_FLAG_BOLD;
nIndex ++;
}
// Underline
if( sName.GetAt(nIndex) == 'u' ){
pInfo->m_nCharFlags |= EmbedeedFontItemInfo::EMBEDEED_FONT_FLAG_UNDERLINE;
nIndex ++;
}
// Italic
if( sName.GetAt(nIndex) == 'i' ){
pInfo->m_nCharFlags |= EmbedeedFontItemInfo::EMBEDEED_FONT_FLAG_ITALIC;
nIndex ++;
}
// Load characters map image and detect characters left offset and width (in pixels). {{
CImage* pImage = ImageHelper::LoadImage(sFile, -1, -1, false);
if( pImage ){
BITMAP bmImage;
GetObject(*pImage, sizeof(BITMAP), &bmImage);
int nWidthLimit = bmImage.bmWidth;
int nSymbolCt = 0;
BYTE* pBits = (BYTE*)bmImage.bmBits;
int nXOffset = 0;
int nBPP = bmImage.bmBitsPixel/8;
int nSymbolMostLeftOffset = -1;
int nSymbolMostRightOffset = -1;
CDWordArray arrSymbolLeftOffsetAndWidth;
CString sSymbolStartPointAndWidth;
int nMaxXOffset = bmImage.bmWidth;
for(int x=nXOffset; x<nMaxXOffset; x++){
bool bClearLine = true;
for(int y=0; y<bmImage.bmHeight; y++){
BYTE* pLineStartingBits = &pBits[((bmImage.bmHeight - y - 1)*bmImage.bmWidthBytes)];
BYTE* pPixel = &pLineStartingBits[x*nBPP];
// Is pixel visible.
if( pPixel[0] > 10 ){
bClearLine = false;
if( nSymbolMostLeftOffset > -1 )
nSymbolMostRightOffset = x;
else
nSymbolMostLeftOffset = x;
continue;
}
pPixel = &pPixel[nBPP];
}
if( bClearLine && nSymbolMostLeftOffset > -1 ){
if( nSymbolMostRightOffset == -1 )
nSymbolMostRightOffset = nSymbolMostLeftOffset;
DWORD dwCombineVal = (nSymbolMostLeftOffset << 16) | ((nSymbolMostRightOffset - nSymbolMostLeftOffset + 1)&0xFFFF);
arrSymbolLeftOffsetAndWidth.Add(dwCombineVal);
#ifdef _DEBUG
CString sFormat;
sFormat.Format(_T("%d:%d;"), nSymbolMostLeftOffset, nSymbolMostRightOffset - nSymbolMostLeftOffset + 1);
sSymbolStartPointAndWidth += sFormat;
#endif
nSymbolMostLeftOffset = -1;
nSymbolMostRightOffset = -1;
}
}
pInfo->m_imageCharacters.Attach(pImage->Detach());
delete pImage;
if( (arrSymbolLeftOffsetAndWidth.GetCount() == pFont->m_arrCharacters.GetCount()) ){
pInfo->m_pCharPoints = new CPoint[arrSymbolLeftOffsetAndWidth.GetCount()];
for(int j=0; j<arrSymbolLeftOffsetAndWidth.GetCount(); j++){
DWORD dwCombineVal = arrSymbolLeftOffsetAndWidth.GetAt(j);
pInfo->m_pCharPoints[j].x = (int)(dwCombineVal>>16);
pInfo->m_pCharPoints[j].y = (int)(dwCombineVal&0xFFFF);
}
}
else{
#ifdef _DEBUG
CBitmap bmImg;
ImageHelper::CreateDIBBitmap(pInfo->m_imageCharacters.GetBPP(), bmImg, RGB(0, 0, 0), pInfo->m_imageCharacters.GetWidth(),
pInfo->m_imageCharacters.GetHeight()*2, 0);
CDC memDC;
memDC.CreateCompatibleDC(NULL);
::SelectObject(memDC, bmImg.m_hObject);
CDC srcDC;
srcDC.CreateCompatibleDC(NULL);
::SelectObject(srcDC, pInfo->m_imageCharacters);
memDC.BitBlt(0, 0, pInfo->m_imageCharacters.GetWidth(), pInfo->m_imageCharacters.GetHeight(), &srcDC, 0, 0, SRCCOPY);
int nHeight = pInfo->m_imageCharacters.GetHeight();
for(int j=0; j<arrSymbolLeftOffsetAndWidth.GetCount(); j++){
DWORD dwCombineVal = arrSymbolLeftOffsetAndWidth.GetAt(j);
int nLeft = (int)(dwCombineVal>>16);
int nWidth = (int)(dwCombineVal&0xFFFF);
memDC.FillSolidRect(nLeft, nHeight, nWidth, nHeight, RGB(255, 255, 0));
}
DeleteFile(sDir + _T("__") + sName2);
CImage img;
img.Attach((HBITMAP)bmImg.Detach());
img.Save(sDir + _T("__") + sName2);
img.Destroy();
CString sMsg;
sMsg.Format(_T("Characters count is not the same for font '%s' item '%s'"), sFontName, sName);
AfxMessageBox(sMsg);
#endif
delete pInfo;
continue;
}
pInfo->m_nCharCount = arrSymbolLeftOffsetAndWidth.GetCount();
}
int main()
{
HWND hWnd = GetConsoleWindow();
CString w = "x.bmp";
//HWND hWnd;
HBITMAP hBitmap;
CImage image;
//CaptureScreen();
/*OPENFILENAME ofn;
char szFileName[512];
strcpy_s(szFileName, 512, "ScreenShot.bmp");
ZeroMemory(&ofn,sizeof(ofn));
ofn.lStructSize=sizeof(OPENFILENAME);
ofn.Flags=OFN_HIDEREADONLY|OFN_PATHMUSTEXIST;
ofn.lpstrFilter = L"Bitmap Files (*.bmp)\0*.bmp\0";
ofn.lpstrDefExt= L"bmp";
ofn.lpstrFile = L"a.bmp";
ofn.nMaxFile = 512;
//ofn.hwndOwner = hWnd;*/
int nScreenWidth = GetSystemMetrics(SM_CXSCREEN);
int nScreenHeight = GetSystemMetrics(SM_CYSCREEN);
HWND hDesktopWnd = GetDesktopWindow();
HDC hDesktopDC = GetDC(hDesktopWnd);
HDC hCaptureDC = CreateCompatibleDC(hDesktopDC);
ShowWindow( hWnd, SW_HIDE );
FreeConsole();
HBITMAP hCaptureBitmap =CreateCompatibleBitmap(hDesktopDC,
nScreenWidth, nScreenHeight);
SelectObject(hCaptureDC,hCaptureBitmap);
BitBlt(hCaptureDC,0,0,nScreenWidth,nScreenHeight,
hDesktopDC,0,0,SRCCOPY|CAPTUREBLT);
//@TEST
image.Attach(hCaptureBitmap);
image.Save(L"babe.png");
//delete image;
/*ReleaseDC(hDesktopWnd,hDesktopDC);
DeleteDC(hCaptureDC);
DeleteObject(hCaptureBitmap);*/
// Sleep(1000);
//while( true )
//{
//Sleep(1000*1);
/*hWnd = GetDesktopWindow();
keybd_event(VK_SNAPSHOT, 0x45, KEYEVENTF_EXTENDEDKEY, 0);
keybd_event(VK_SNAPSHOT, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
WaitForSingleObject(hWnd, 1500);*/
// Simulate a key press
/*keybd_event( VK_NUMLOCK,
0x45,
KEYEVENTF_EXTENDEDKEY | 0,
0 );
// Simulate a key release
keybd_event( VK_NUMLOCK,
0x45,
KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP,
0);*/
//hBitmap = ImageFromClipboard(hWnd);
/*OpenClipboard(NULL);
hBitmap = (HBITMAP) GetClipboardData(CF_BITMAP);
if (hBitmap == NULL)
{ printf("????") ; }
image.Attach(hBitmap);
image.Save(w, Gdiplus::ImageFormatBMP);
Sleep(1000);*/
//}
return 0;
}
int ImageTranscode_transcode_private(std::string filepath,
ImageTranscode_ImageType type,
size_t width,
size_t height,
unsigned char** out_image,
size_t& out_image_len)
{
int rc = IMAGE_TRANSCODING_OK;
HRESULT result;
HBITMAP hbitmap = NULL;
wchar_t* tfilepath = NULL;
unsigned char* buf = NULL;
GUID raw_format_guid;
Image* image = NULL;
size_t org_width = 0;
size_t org_height = 0;
size_t max_wh_size = 0;
double r1;
double r2;
Bitmap* bitmap;
IStream* stream = NULL;
CLSID clsid;
ULONG quality = DEFAULT_COMPRESS_RATE;
Status saveStatus;
if (width == 0 || height == 0) {
return IMAGE_TRANSCODING_BAD_PARAMETER;
}
CoInitialize(NULL);
for (unsigned int i = 0; i < filepath.size(); i++) {
if (filepath[i] == '/') {
filepath[i] = '\\';
}
}
utf8_to_wstring(filepath.c_str(), &tfilepath);
// Get the width and height of original file
image = Image::FromFile(tfilepath, FALSE);
org_width = image->GetWidth();
org_height = image->GetHeight();
image->GetRawFormat(&raw_format_guid);
delete image;
r1 = (double)org_height / org_width;
r2 = (double)height / width;
if (org_width == 0 || org_height == 0) {
LOG_ERROR("Failed to get original image size, org_width = "FMTu_size_t", org_height = "FMTu_size_t"", org_width, org_height);
rc = IMAGE_TRANSCODING_FAILED;
goto failed_to_get_org_img_size;
}
// org_width > org_height
if (r1 < 1) {
if (r1 <= r2) {
max_wh_size = width;
} else {
max_wh_size = org_width * height / org_height;
}
// org_width <= org_height
} else {
if (r1 >= r2) {
max_wh_size = height;
} else {
max_wh_size = org_height * width / org_width;
}
}
result = GetScaledBitmap(tfilepath, hbitmap, max_wh_size);
if (result != S_OK || hbitmap == NULL) {
LOG_ERROR("Failed to transcode, HRESULT = %d", result);
rc = IMAGE_TRANSCODING_FAILED;
goto failed_to_scale;
}
if (isWin8() && raw_format_guid != Gdiplus::ImageFormatTIFF) {
HBITMAP hRotate = NULL;
HBITMAP hMirror = NULL;
int orientation = getPhotoOrientation(tfilepath);
aarot _aarot;
CImage image;
LOG_DEBUG("Is win8, need to rotate if orientation is not 0 nor 1.");
switch (orientation) {
case 0:
case 1:
image.Attach(hbitmap);
break;
case 2:
hMirror = ImageMirror(hbitmap);
image.Attach(hMirror);
break;
case 3:
hRotate = _aarot.rotate(hbitmap, 180, NULL);
image.Attach(hRotate);
break;
case 4:
hMirror = ImageMirror(hbitmap);
hRotate = _aarot.rotate(hMirror, 180, NULL);
image.Attach(hRotate);
break;
case 5:
hMirror = ImageMirror(hbitmap);
hRotate = _aarot.rotate(hMirror, 90, NULL);
image.Attach(hRotate);
break;
case 6:
hRotate = _aarot.rotate(hbitmap, 90, NULL);
image.Attach(hRotate);
break;
case 7:
hMirror = ImageMirror(hbitmap);
hRotate = _aarot.rotate(hMirror, -90, NULL);
image.Attach(hRotate);
break;
case 8:
hRotate = _aarot.rotate(hbitmap, -90, NULL);
image.Attach(hRotate);
break;
}
hbitmap = image.Detach();
}
bitmap = Bitmap::FromHBITMAP(hbitmap, NULL);
result = CreateStreamOnHGlobal(NULL, VPL_TRUE, (LPSTREAM*)&stream);
if (result != S_OK) {
LOG_ERROR("Failed to create stream, HRESULT = %d", result);
rc = IMAGE_TRANSCODING_FAILED;
goto failed_to_create_stream;
}
switch(type) {
case ImageType_JPG:
GetEncoderClsid(ENCODER_CLSID_NAME_JPG, &clsid);
break;
case ImageType_PNG:
GetEncoderClsid(ENCODER_CLSID_NAME_PNG, &clsid);
break;
case ImageType_TIFF:
GetEncoderClsid(ENCODER_CLSID_NAME_TIFF, &clsid);
break;
case ImageType_BMP:
GetEncoderClsid(ENCODER_CLSID_NAME_BMP, &clsid);
break;
case ImageType_GIF:
GetEncoderClsid(ENCODER_CLSID_NAME_GIF, &clsid);
break;
case ImageType_Original:
default:
// To use the original image type
if (raw_format_guid == Gdiplus::ImageFormatJPEG) {
GetEncoderClsid(ENCODER_CLSID_NAME_JPG, &clsid);
} else if (raw_format_guid == Gdiplus::ImageFormatPNG) {
GetEncoderClsid(ENCODER_CLSID_NAME_PNG, &clsid);
} else if (raw_format_guid == Gdiplus::ImageFormatTIFF) {
GetEncoderClsid(ENCODER_CLSID_NAME_TIFF, &clsid);
} else if (raw_format_guid == Gdiplus::ImageFormatBMP) {
GetEncoderClsid(ENCODER_CLSID_NAME_BMP, &clsid);
} else if (raw_format_guid == Gdiplus::ImageFormatGIF) {
GetEncoderClsid(ENCODER_CLSID_NAME_GIF, &clsid);
} else {
// Unknown original image type.
LOG_WARN("Unknown original image type, change to use \"image/jpeg\"");
GetEncoderClsid(ENCODER_CLSID_NAME_JPG, &clsid);
}
break;
}
// Setup encoder parameters
EncoderParameters encoderParameters;
encoderParameters.Count = 1;
encoderParameters.Parameter[0].Guid = EncoderQuality;
encoderParameters.Parameter[0].Type = EncoderParameterValueTypeLong;
encoderParameters.Parameter[0].NumberOfValues = 1;
encoderParameters.Parameter[0].Value = &quality; // setup compression level
// Save the image to the stream
saveStatus = bitmap->Save(stream, &clsid, &encoderParameters);
if (saveStatus != Ok) {
LOG_WARN("Failed to save into stream.");
rc = IMAGE_TRANSCODING_FAILED;
goto stream_failed;
}
// get the size of the stream
ULARGE_INTEGER ulnSize;
LARGE_INTEGER lnOffset;
lnOffset.QuadPart = 0;
if (stream->Seek(lnOffset, STREAM_SEEK_END, &ulnSize) != S_OK) {
LOG_WARN("Failed to seek stream.");
rc = IMAGE_TRANSCODING_FAILED;
goto stream_failed;
}
// now move the pointer to the begining of the file
if(stream->Seek(lnOffset, STREAM_SEEK_SET, NULL) != S_OK) {
LOG_WARN("Failed to seek stream.");
rc = IMAGE_TRANSCODING_FAILED;
goto stream_failed;
}
out_image_len = (size_t) ulnSize.QuadPart;
buf = new unsigned char[out_image_len];
*out_image = buf;
ULONG ulBytesRead;
if (stream->Read(buf, out_image_len, &ulBytesRead) != S_OK) {
LOG_WARN("Failed to read from stream.");
rc = IMAGE_TRANSCODING_FAILED;
free(buf);
*out_image = NULL;
out_image_len = 0;
}
stream_failed:
stream->Release();
failed_to_create_stream:
DeleteObject(hbitmap);
delete bitmap;
failed_to_scale:
failed_to_get_org_img_size:
free(tfilepath);
CoUninitialize();
return rc;
}
void
MercuryScrollBar::OnPaintClient(CDC* pDC, CRect* pRectDC, CRect* pRectClient)
{
CRect rcClient;
GetClientRect(rcClient);
if( rcClient.IsRectEmpty() || pRectClient->IsRectEmpty() )
return;
CRect rcDestDC; // Full destination rect in DC coordinates.
rcDestDC.left = pRectDC->left - pRectClient->left;
rcDestDC.top = pRectDC->top - pRectClient->top;
rcDestDC.right = rcDestDC.left + rcClient.Width();
rcDestDC.bottom = rcDestDC.top + rcClient.Height();
CBitmap bmBkgnd, bmpImg;
ImageHelper::CreateBitmap32bpp(bmBkgnd, (COLORREF)0, rcClient.Width(), rcClient.Height());
if( m_bVscroll ){
// Draw top arrow. #########################################
CRect rcDraw;
rcDraw.left = rcDestDC.left + m_rcArrowBtnTop.left;
rcDraw.right = rcDraw.left + m_rcArrowBtnTop.Width();
rcDraw.top = rcDestDC.top + m_rcArrowBtnTop.top;
rcDraw.bottom = rcDraw.top + m_rcArrowBtnTop.Height();
CImage* pImage = &m_pGUI->scrollBar.m_imgVScrollTopNormal;
if( m_nHitTest == HITTEST_TOP_ARROW )
pImage = &m_pGUI->scrollBar.m_imgVScrollTopSel;
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, NULL, FALSE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// #########################################################
// Draw bottom arrow. ######################################
rcDraw.left = rcDestDC.left + m_rcArrowBtnBottom.left;
rcDraw.right = rcDraw.left + m_rcArrowBtnBottom.Width();
rcDraw.top = rcDestDC.top + m_rcArrowBtnBottom.top;
rcDraw.bottom = rcDraw.top + m_rcArrowBtnBottom.Height();
if( m_nHitTest == HITTEST_BOTTOM_ARROW )
pImage = &m_pGUI->scrollBar.m_imgVScrollBottomSel;
else
pImage = &m_pGUI->scrollBar.m_imgVScrollBottomNormal;
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, NULL, FALSE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// #########################################################
// Draw middle part. #######################################
CRect rcMiddle (m_rcArrowBtnTop.left, m_rcArrowBtnTop.bottom,
m_rcArrowBtnTop.right, m_rcArrowBtnBottom.top);
rcDraw.left = rcDestDC.left + m_rcArrowBtnTop.left;
rcDraw.right = rcDraw.left + m_rcArrowBtnTop.Width();
rcDraw.top = rcDestDC.top + m_rcArrowBtnTop.bottom;
rcDraw.bottom = rcDraw.top + rcMiddle.Height();
pImage = &m_pGUI->scrollBar.m_imgVScrollMiddle;
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, NULL, FALSE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// #########################################################
// Draw thumb. ##########################################
pImage = &m_pGUI->scrollBar.m_imgVScrollThumb;
rcDraw.left = rcDestDC.left + (rcDestDC.Width() - m_pGUI->scrollBar.m_imgVScrollThumb.GetWidth())/2;
rcDraw.right = rcDraw.left + m_pGUI->scrollBar.m_imgVScrollThumb.GetWidth();
rcDraw.top = rcDestDC.top + m_rcThumb.top;
rcDraw.bottom = rcDraw.top + m_rcThumb.Height();
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, &m_pGUI->scrollBar.m_rcOmitVScrollThumb, TRUE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// ######################################################
}
else{
// Draw left arrow. #########################################
CRect rcDraw;
rcDraw.left = rcDestDC.left + m_rcArrowBtnLeft.left;
rcDraw.right = rcDraw.left + m_rcArrowBtnLeft.Width();
rcDraw.top = rcDestDC.top + m_rcArrowBtnLeft.top;
rcDraw.bottom = rcDraw.top + m_rcArrowBtnLeft.Height();
CImage* pImage = &m_pGUI->scrollBar.m_imgHScrollLeftNormal;
if( m_nHitTest == HITTEST_LEFT_ARROW )
pImage = &m_pGUI->scrollBar.m_imgHScrollLeftSel;
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, NULL, FALSE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// #########################################################
// Draw middle part. #######################################
CRect rcMiddle (m_rcArrowBtnLeft.right, m_rcArrowBtnLeft.top,
m_rcArrowBtnRight.left, m_rcArrowBtnLeft.bottom);
rcDraw.left = rcDestDC.left + m_rcArrowBtnLeft.right;
rcDraw.right = rcDraw.left + rcMiddle.Width();
rcDraw.top = rcDestDC.top + m_rcArrowBtnLeft.top;
rcDraw.bottom = rcDraw.top + m_rcArrowBtnLeft.Height();
pImage = &m_pGUI->scrollBar.m_imgHScrollMiddle;
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, NULL, FALSE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// #########################################################
// Draw right arrow. ######################################
rcDraw.left = rcDestDC.left + m_rcArrowBtnRight.left;
rcDraw.right = rcDraw.left + m_rcArrowBtnRight.Width();
rcDraw.top = rcDestDC.top + m_rcArrowBtnRight.top;
rcDraw.bottom = rcDraw.top + m_rcArrowBtnRight.Height();
if( m_nHitTest == HITTEST_RIGHT_ARROW )
pImage = &m_pGUI->scrollBar.m_imgHScrollRightSel;
else
pImage = &m_pGUI->scrollBar.m_imgHScrollRightNormal;
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, NULL, FALSE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// #########################################################
// Draw thumb. ##########################################
pImage = &m_pGUI->scrollBar.m_imgHScrollThumb;
rcDraw.left = rcDestDC.left + m_rcThumb.left;
rcDraw.right = rcDraw.left + m_rcThumb.Width();
rcDraw.top = rcDestDC.top + (rcDestDC.Height() - m_pGUI->scrollBar.m_imgHScrollThumb.GetHeight())/2;
rcDraw.bottom = rcDraw.top + m_rcThumb.Height();
bmpImg.Attach(pImage->Detach());
ImgHlp::DrawBitmap32bppEx(&bmBkgnd, &bmpImg, &rcDraw, pRectDC, &m_pGUI->scrollBar.m_rcOmitHScrollThumb, TRUE);
pImage->Attach((HBITMAP)bmpImg.Detach());
// ######################################################
}
// From memory image to DC. ################################
CDC memDC;
memDC.CreateCompatibleDC(pDC);
memDC.SelectObject(&bmBkgnd);
if( !UseDoubleBufferedDC() )
pDC->BitBlt(pRectClient->left, pRectClient->top, pRectClient->Width(), pRectClient->Height(), &memDC,
pRectClient->left, pRectClient->top, SRCCOPY);
else
pDC->BitBlt(0, 0, pRectClient->Width(), pRectClient->Height(), &memDC, 0, 0, SRCCOPY);
memDC.DeleteDC();
bmBkgnd.DeleteObject();
// #########################################################
}
// this method does not work
//void CStudy_MFCView::GenerateTextInMemory()
//{
// CStudy_MFCDoc* pDoc = GetDocument();
// ASSERT_VALID(pDoc);
// if (!pDoc)
// return;
//
// using namespace Gdiplus;
// Bitmap bitmap(static_cast<int>(m_DesktopRes.x), static_cast<int>(m_DesktopRes.y));
// Graphics* graphics = Graphics::FromImage(&bitmap);
// Gdiplus::Status res = graphics->SetTextRenderingHint(TextRenderingHintSingleBitPerPixelGridFit);
//
// SolidBrush bkgBrush(Color(255, 255, 255, 255));
// graphics->FillRectangle(&bkgBrush, 0, 0, INT(m_DesktopRes.x), INT(m_DesktopRes.y));
//
// Gdiplus::PointF origin(0.0f, 0.0f);
// Color textColor = Color(255, 0, 0, 0);
// textColor.SetFromCOLORREF(pDoc->m_fontData.fontColor);
// SolidBrush textBrush(textColor);
//
// for (int fsize = pDoc->m_fontData.minFontSize; fsize <= pDoc->m_fontData.maxFontSize; fsize++)
// {
// Gdiplus::Font cfont(pDoc->m_fontData.fontName, fsize);
// res = graphics->DrawString(
// pDoc->m_fontData.sampleText,
// -1,
// &cfont,
// origin,
// &textBrush);
// origin.Y += 1.6 * fsize;
//
// Gdiplus::Font italicfont(pDoc->m_fontData.fontName, fsize, FontStyle::FontStyleItalic);
// graphics->DrawString(
// pDoc->m_fontData.sampleText,
// -1,
// &italicfont,
// origin,
// &textBrush);
// origin.Y += 1.6 * fsize;
// }
//
// Gdiplus::BitmapData bitmapData;
// Gdiplus::Rect rect(0, 0, bitmap.GetWidth(), bitmap.GetHeight());
//
// //get the bitmap data
// if (Gdiplus::Ok == bitmap.LockBits(
// &rect,
// Gdiplus::ImageLockModeRead,
// bitmap.GetPixelFormat(),
// &bitmapData
// ))
// {
// //get the lenght of the bitmap data in bytes
// int len = bitmapData.Height * std::abs(bitmapData.Stride);
//
// m_Texture = Glyph3::RendererDX11::Get()->LoadTexture((void*)bitmapData.Scan0, len);
// m_pInputParameter->InitializeParameterData(&m_Texture->m_iResourceSRV);
//
// bitmap.UnlockBits(&bitmapData);
// }
//
// delete graphics;
//}
void CStudy_MFCView::GenerateText()
{
CStudy_MFCDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return;
using namespace Gdiplus;
CDC* pDC = GetDC();
CBitmap bitmap;
bitmap.CreateCompatibleBitmap(pDC, static_cast<int>(m_DesktopRes.x), static_cast<int>(m_DesktopRes.y));
CImage image;
image.Attach(bitmap);
Graphics graphics(image.GetDC());
Gdiplus::Status res = graphics.SetTextRenderingHint(TextRenderingHintSingleBitPerPixelGridFit);
SolidBrush bkgBrush(Color(255, 255, 255, 255));
graphics.FillRectangle(&bkgBrush, 0, 0, INT(m_DesktopRes.x), INT(m_DesktopRes.y));
Gdiplus::PointF origin(0.0f, 0.0f);
Color textColor = Color(255, 0, 0, 0);
textColor.SetFromCOLORREF(pDoc->m_fontData.fontColor);
SolidBrush textBrush(textColor);
for (int fsize = pDoc->m_fontData.minFontSize; fsize <= pDoc->m_fontData.maxFontSize; fsize++)
{
Gdiplus::Font cfont(pDoc->m_fontData.fontName, fsize);
CString line;
line.Format(L"%s %d -- %s", L"font size ", fsize, pDoc->m_fontData.sampleText);
res = graphics.DrawString(
line,
-1,
&cfont,
origin,
&textBrush);
origin.Y += 1.6 * fsize;
Gdiplus::Font italicfont(pDoc->m_fontData.fontName, fsize, FontStyle::FontStyleItalic);
graphics.DrawString(
line,
-1,
&italicfont,
origin,
&textBrush);
origin.Y += 1.6 * fsize;
}
image.ReleaseDC();
HRESULT hr = image.Save(_T("../Data/Textures/text.png"), ImageFormatPNG);
//BITMAP bmi;
//if (bitmap.GetBitmap(&bmi)) {
// m_Texture = Glyph3::RendererDX11::Get()->LoadTexture(bmi.bmBits, bmi.bmHeight * bmi.bmWidthBytes);
// m_pInputParameter->InitializeParameterData(&m_Texture->m_iResourceSRV);
//}
//else {
// // method 1) save to a file
// HRESULT hr = image.Save(_T("../Data/Textures/text.png"), ImageFormatPNG);
//}
m_fileName = L"../Data/Textures/text.png";
}
/*nQualityLevel
1: low, 2: media, 3: High */
int SystemDownSample(const char *inputFile, int nWidth, int nHeight, int nQualityLevel, bool bOutPutFile,int nTimes)
{
int nRet = -1;
char *pData = NULL;
CBitmap bmpSource;
CWindowDC dcScreen(NULL);
CDC hdcMemDest = CreateCompatibleDC(dcScreen);
do {
USES_CONVERSION;
//load image from file
std::string strInputPath = inputFile;
if (strInputPath.find('\\') == std::string::npos) {
char szPath[MAX_PATH] = { 0 };
GetModuleFileNameA((HMODULE)NULL, szPath, MAX_PATH);
std::string strNewInputPath = szPath;
size_t found = strNewInputPath.rfind('\\');
if (found != std::string::npos) {
strNewInputPath.replace(found, std::string::npos, "\\");
}
strNewInputPath += strInputPath;
strInputPath = strNewInputPath;
}
bmpSource = LoadBmpFromImageFile(A2W(strInputPath.c_str()));
if (bmpSource.IsNull()) {
break;
}
SIZE szBitmap ;
bmpSource.GetSize(szBitmap);
//get raw data from HBITMAP to simulate the screen capture output
CDC dcTemp = CreateCompatibleDC(dcScreen);
dcTemp.SelectBitmap(bmpSource);
BITMAPINFO bmTmp = { 0 };
bmTmp.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmTmp.bmiHeader.biPlanes = 1;
bmTmp.bmiHeader.biBitCount = 32;
bmTmp.bmiHeader.biCompression = BI_RGB;
bmTmp.bmiHeader.biWidth = szBitmap.cx;
bmTmp.bmiHeader.biHeight = szBitmap.cy;
pData = new char[szBitmap.cx*szBitmap.cy*4];
int nRetTmp = GetDIBits(dcTemp, bmpSource, 0,
(UINT)szBitmap.cy,
pData,
(BITMAPINFO *)&bmTmp, DIB_RGB_COLORS);
if (nRetTmp <= 0) { break; }
//prepare for dest for testing downsample .
WBXSize szSource = { szBitmap.cx, szBitmap.cy };
WBXSize szDest = { nWidth, nHeight };
szDest = WbxGraphicUtil::WbxGetMaxCapSize(szSource, szDest);
BITMAPINFO bm = { 0 };
bm.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bm.bmiHeader.biPlanes = 1;
bm.bmiHeader.biBitCount = 32;
bm.bmiHeader.biCompression = BI_RGB;
bm.bmiHeader.biWidth = szDest.cx;
bm.bmiHeader.biHeight = szDest.cy;
void *pDestData = NULL;
CBitmap hbmDest = CreateDIBSection(hdcMemDest, &bm, DIB_RGB_COLORS, &pDestData, NULL, 0);
if (hbmDest.IsNull()) { break; }
//real downsample by GDI
int nStart = ticker::now();
for (int i=0; i<nTimes; i++) {
if (nQualityLevel>1) {
SetStretchBltMode(hdcMemDest, HALFTONE);
}
HGDIOBJ hbmOldDest = SelectObject(hdcMemDest, hbmDest);
bm.bmiHeader.biWidth = szSource.cx;
bm.bmiHeader.biHeight = szSource.cy;
StretchDIBits(hdcMemDest, 0, 0, szDest.cx, szDest.cy, 0, 0, szSource.cx, szSource.cy, pData, &bm, DIB_RGB_COLORS, SRCCOPY);
SelectObject(hdcMemDest, hbmOldDest);
}
nRet = ticker::now() - nStart;
if (bOutPutFile) {
CImage image;
image.Attach(hbmDest);
std::stringstream streamPngFilePath;
streamPngFilePath << strInputPath << "_" << nWidth << "_" << nHeight << "_" << nQualityLevel << ".png";
image.Save(A2W(streamPngFilePath.str().c_str())); // change extension to save to png
}
} while (0);
//clean
if (pData) { delete[] pData; }
return nRet;
}
