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+#include "StdAfx.h"
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+#include "IMGCommon.h"
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+#include <strsafe.h>
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+
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+#include "CharEncoding.h"
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+
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+#ifdef _DEBUG
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+#define new DEBUG_NEW
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+#endif
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+
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+const ColorMatrix _ClrMatrix =
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+{
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+ 1.0, 0.0, 0.0, 0.0, 0.0,
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+ 0.0, 1.0, 0.0, 0.0, 0.0,
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+ 0.0, 0.0, 0.3, 0.0, 0.0,
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+ 0.0, 0.0, 0.0, 1.0, 0.0,
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+ 0.0, 0.0, 0.0, 0.0, 1.0,
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+};
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+
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+ULONG_PTR IMGCommon::m_gdiplusToken;
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+
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+IMGCommon::IMGCommon(void)
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+{
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+ GdiplusStartupInput gdiplusStartupInput;
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+ GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
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+}
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+
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+IMGCommon::~IMGCommon(void)
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+{
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+ Gdiplus::GdiplusShutdown(m_gdiplusToken);
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+}
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+
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+ /************************************************************************/
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+ /* 函数:IsValidpath[3/20/2016 IT];
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+ /* 描述:判断一个路径是否是本地可以盘符或可用的网络路径;
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+ /* 参数:;
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+ /* [IN] strPath:要判断的路径;
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+ /* 返回:盘符或网络路径有效返回TRUE;
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+ /* 注意:;
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+ /* 示例:;
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+ /*
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+ /* 修改:;
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+ /* 日期:;
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+ /* 内容:;
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+ /************************************************************************/
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+ BOOL IMGCommon::IsValidpath(IN CONST TString &strPath)
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+ {
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+ // 文件表现形式有三种:
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+ // 1.本地形式: C:\myfolder\you
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+ // 2.共享形式: \\192.168.1.112\myfolder\\you
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+ if (strPath.size() < 2) return FALSE;
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+
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+ // 含":"为本地路径;
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+ if (strPath[1] == _T(':'))
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+ {
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+ DWORD dwDiskType = 0;
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+ dwDiskType = GetDriveType(strPath.substr(0, 3).c_str());
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+ switch (dwDiskType)
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+ {
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+ case DRIVE_UNKNOWN: // 未知驱动盘符;
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+ case DRIVE_NO_ROOT_DIR: // 没有根目录;
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+ //case DRIVE_REMOVABLE: // 移动存储设备盘符;
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+ // case DRIVE_FIXED: // 硬盘;
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+ case DRIVE_CDROM: // CD盘符;
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+ case DRIVE_RAMDISK: // ;
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+ return FALSE;
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+ break;
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+ }
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+ }
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+ else if (strPath.substr(0, 2).find(_T("\\\\")) != TString::npos)
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+ {
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+ // 共享路径;
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+ TString strtmp = strPath.substr(2);
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+ int n = strPath.substr(2).find(_T("\\"));
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+ if (n == TString::npos)
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+ return FALSE;
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+
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+ strtmp = strPath.substr(0, n + 2);
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+
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+ // 需要判断网络路径可用否;
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+ DWORD dwRet = 0;
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+ NETRESOURCE nr;
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+ memset(&nr, 0, sizeof(nr));
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+ nr.dwScope = RESOURCE_CONNECTED;
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+ nr.dwType = RESOURCETYPE_ANY;
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+ nr.dwDisplayType = RESOURCEDISPLAYTYPE_GENERIC;
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+ nr.dwUsage = RESOURCEUSAGE_CONNECTABLE;
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+
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+#ifndef UNICODE
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+ nr.lpRemoteName = (LPSTR)strtmp.c_str();
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+#else
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+ nr.lpRemoteName = (LPWSTR)(strtmp.c_str());
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+#endif
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+ dwRet = WNetAddConnection2(&nr, NULL, NULL, CONNECT_UPDATE_PROFILE);
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+ if (dwRet == ERROR_BAD_NETPATH)// 无效的网络路径,表示没有这个网络地址;
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+ return FALSE;
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+ else if (dwRet == ERROR_LOGON_FAILURE)// 登陆这个网络路径失败,因为当前用户名和密码错误; 没有权限;
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+ return FALSE;
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+ }
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+
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+ return TRUE;
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+ }
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+
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+void IMGCommon::Splitpath(IN CONST TCHAR *path, IN TCHAR * drive, IN size_t driveNumberOfElements, IN TCHAR * dir, IN size_t dirNumberOfElements, IN CONST int &nTimes)
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+ {
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+ int i = 0;
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+ int npoint = 0; // '.'
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+ int nsprit = 0; // '\\'
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+ int ncolon = 0; // ':'
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+ int ntimes = 0;
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+ int nlen = _tcslen(path);
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+ while (nlen > i++)
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+ {
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+ if (path[i] == _T(':') && !ncolon )
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+ {
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+ ncolon = i;
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+ }
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+ else if (path[i] == _T('\\'))
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+ {
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+ if ( ncolon )
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+ {// 本地目录;
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+ if ( i == ncolon+1 )
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+ continue;
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+
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+ nsprit = i;
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+ ntimes++;
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+ if (nTimes == ntimes) break;
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+ }
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+ else
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+ {// 网络路径;
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+ if ( i == 0 || i == 1 )
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+ continue;
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+
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+ nsprit = i;
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+ ntimes++;
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+ if (nTimes == ntimes-1) break;
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+ }
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+ }
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+ }
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+
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+ memcpy_s(drive, driveNumberOfElements*sizeof(TCHAR), path, (ncolon + 1)*sizeof(TCHAR));
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+ memcpy_s(dir, dirNumberOfElements*sizeof(TCHAR), &path[ncolon + 1], (nsprit - ncolon)*sizeof(TCHAR));
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+ }
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+
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+ /************************************************************************/
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+ /* 函数:CreateDirectoryEx,多字节版本,支持UNICODE[9/13/2016 IT];
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+ /* 描述:创建目录及子目录文件夹;
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+ /* 参数:;
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+ /* [IN] lpDestDirectory:目录,必须是"E:\lyfzdb\数据\"格式,目录最后必须有"\",否则最后一个子目录无法创建!建议使用系统_tsplitpath来分隔目录,这样会保存最后一个"\"斜杠;
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+ /* 返回:成功创建返回TRUE;
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+ /* 注意:;
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+ /* 示例:;
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+ /*
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+ /* 修改:;
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+ /* 日期:;
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+ /* 内容:;
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+ /************************************************************************/
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+ BOOL IMGCommon::CreateDirectoryEx(IN LPCTSTR lpNewDirectory)
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+ {
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+ // 判断路径有效性 ;
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+ if (!lpNewDirectory || !IsValidpath(lpNewDirectory)) return FALSE;
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+
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+ BOOL bExists = FALSE;
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+ TCHAR szNewFileName[_MAX_PATH] = { 0 };
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+ TCHAR szDrive[_MAX_DRIVE] = { 0 };
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+ TCHAR szDir[_MAX_DIR] = { 0 };
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+ TCHAR szFna[_MAX_FNAME] = { 0 };
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+ TCHAR szExt[_MAX_EXT] = { 0 };
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+
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+ TCHAR szNewDirectory[_MAX_PATH] = { 0 };
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+ if (lpNewDirectory[_tcslen(lpNewDirectory) - 1] != _T('\\'))
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+ StringCchPrintf(szNewDirectory, _MAX_PATH, _T("%s\\"), lpNewDirectory);
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+ else
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+ StringCchPrintf(szNewDirectory, _MAX_PATH, _T("%s"), lpNewDirectory);
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+
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+ int nIndex = 0;
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+ do
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+ {
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+ bExists = PathFileExists(szNewDirectory);
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+ if (!bExists)
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+ {
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+
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+ memset(szDrive, 0, _MAX_DRIVE*sizeof(TCHAR));
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+ memset(szDir, 0, _MAX_DIR*sizeof(TCHAR));
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+ memset(szFna, 0, _MAX_FNAME*sizeof(TCHAR));
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+ memset(szExt, 0, _MAX_EXT*sizeof(TCHAR));
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+
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+ Splitpath(szNewDirectory, szDrive, _MAX_DRIVE, szDir, _MAX_DIR, ++nIndex);
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+ StringCchPrintf(szNewFileName, _MAX_PATH, _T("%s%s"), szDrive, szDir);
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+ if (!CreateDirectory(szNewFileName, NULL))
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+ {
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+ DWORD dwError = GetLastError();
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+ switch (dwError)
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+ {
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+ case ERROR_PATH_NOT_FOUND: // 路径未找到,上一层目录未创建导致该错误;
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+ case ERROR_ACCESS_DENIED: // 没有权限访问;
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+ case ERROR_BAD_NET_NAME: // 错误的网络名称;
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+ //case ERROR_BAD_PATHNAME: //
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+ //WriteTextLog(_T("创建目录失败:%s"), GetErrorInfo(dwError));
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+ return FALSE;
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+ break;
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+ case ERROR_ALREADY_EXISTS: // 文件存在,不需要创建;
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+ break;
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+ default:
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+ //WriteTextLog(_T("创建目录失败:%s"), GetErrorInfo(dwError));
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+ break;
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+ }
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+ }
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+ }
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+ } while (!bExists);
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+
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+ return TRUE;
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+ }
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+
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+//////////////////////////////////////////////////////////////////////////
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+BOOL IMGCommon::LoadImgFromFile(IN Image** pImg, LPCTSTR lpPath)
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+{
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+ if ( !PathFileExists(lpPath) )
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+ return FALSE;
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+
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+ if ( *pImg )
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+ delete *pImg;
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+
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+ *pImg = NULL;
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+
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+#ifdef UNICODE
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+ *pImg = Image::FromFile(lpPath);
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+#else
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+ BSTR strtmp = _bstr_t(lpPath);
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+ *pImg = Image::FromFile(strtmp);
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+ SysFreeString(strtmp);
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+#endif
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+
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+ return (*pImg ? TRUE : FALSE);
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+}
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+
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+BOOL IMGCommon::LoadImgFromBuffer(IN Image** pImg, IN BYTE* pBuffer, IN CONST INT& nBufLen)
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+{
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+ if ( pBuffer == NULL )
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+ return FALSE;
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+
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+ if ( *pImg )
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+ delete *pImg;
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+
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+ *pImg = NULL;
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+ HGLOBAL hMemery = GlobalAlloc(GMEM_MOVEABLE, nBufLen);
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+ if ( hMemery == NULL )
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+ return FALSE;
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+
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+ BYTE *pMem = (BYTE*)GlobalLock(hMemery);
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+ memcpy(pMem, pBuffer, nBufLen);
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+
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+ IStream *pstream = NULL;
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+ CreateStreamOnHGlobal(hMemery, TRUE, &pstream);
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+ *pImg = Image::FromStream(pstream);
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+ GlobalUnlock(hMemery);
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+ pstream->Release();
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+
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+ return (*pImg ? TRUE : FALSE);
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+}
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+
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+// 先以只读方式从文件中读取二进制流出来,可以做到不独占文件;
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+BOOL IMGCommon::LoadImgFromBuffer(IN Image** pImg, LPCTSTR lpPath)
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+{
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+ if ( !PathFileExists(lpPath) )
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+ return FALSE;
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+
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+ if ( *pImg )
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+ delete *pImg;
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+ *pImg = NULL;
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+
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+ CFile fp;
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+ CFileException e;
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+ BOOL bRet = FALSE;
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+ if ( fp.Open(lpPath, CFile::modeRead, &e))
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+ {
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+ DWORD dwLength = (DWORD)fp.GetLength();
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+ BYTE *pData = new BYTE[dwLength];
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+
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+ fp.Read(pData,dwLength);
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+ fp.Close();
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+
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+ bRet = LoadImgFromBuffer(pImg, pData, dwLength);
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+
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+ if( pData )
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+ delete []pData;
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+ }
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+
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+ return bRet;
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+}
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+
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+/************************************************************************/
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+/* 函数:LoadImgFromResource[9/21/2016 IT];
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+/* 描述:从资源中加载;
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+/* 参数:;
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+/* [IN] :;
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+/* [OUT] :;
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+/* [IN/OUT] :;
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+/* 返回:void;
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+/* 注意:;
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+/* 示例:;
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+/*
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+/* 修改:;
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+/* 日期:;
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+/* 内容:;
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+/************************************************************************/
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+Image* IMGCommon::LoadImgFromResource(IN HMODULE hModule, IN LPCTSTR lpName, IN LPCTSTR lpType)
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+{
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+ HGLOBAL hGlobal = NULL;
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+ HRSRC hSource = NULL;
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+ LPVOID lpBuffer = NULL;
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+ DWORD dwSize = 0;
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+ // 1.定位我们的自定义资源,这里因为我们是从本模块定位资源,所以将句柄简单地置为NULL即可
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+ hSource = FindResource(hModule, lpName, lpType);
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+ if (hSource == NULL)
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+ {
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+ _tprintf(_T("载入资源失败:%s"), lpName);
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+ return NULL;
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+ }
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+
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+ // 2.获取资源的大小;
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+ dwSize = (UINT)SizeofResource(NULL, hSource);
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+
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+ // 3.加载资源;
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+ hGlobal = LoadResource(NULL, hSource);
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+ if (hGlobal == NULL)
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+ {
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+ _tprintf(_T("载入资源失败:%s"), lpName);
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+ return NULL;
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+ }
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+
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+ // 4.锁定资源,获取buffer;
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+ lpBuffer = LockResource(hGlobal);
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+ if (lpBuffer == NULL)
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+ {
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+ _tprintf(_T("载入资源失败:%s"), lpName);
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+ return NULL;;
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+ }
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+
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+ // lpFileFullName需要先判断文件是否存在??不需要;
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+ Image *pImg = NULL;
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+ LoadImgFromBuffer(&pImg, (BYTE*)lpBuffer, dwSize);
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+
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+ UnlockResource(hGlobal);
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+ FreeResource(hGlobal);
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+
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+ return pImg;
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+}
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+
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+BOOL IMGCommon::GetOrientation(IN Image *pImg)
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+{
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+ if (pImg == NULL) return FALSE;
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+
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+ UINT totalBufferSize;
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+ UINT numProperties;
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+ pImg->GetPropertySize(&totalBufferSize, &numProperties);
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+ // Allocate the buffer that will receive the property items.
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+ PropertyItem* pAllItems = (PropertyItem*)malloc(totalBufferSize);
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+ // Fill the buffer.
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+ pImg->GetAllPropertyItems(totalBufferSize, numProperties, pAllItems);
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+ // Print the id data member of each property item.
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+ for (UINT j = 0; j < numProperties; ++j)
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+ {
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+ if (PropertyTagOrientation == pAllItems[j].id)
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+ {
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+ short* ptrLong = (short*)(pAllItems[j].value);
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+ int ret = (int)*ptrLong;
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+ free(pAllItems);
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+ return ret;
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+ }
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+ }
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+ free(pAllItems);
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+
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+ return TRUE;
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+}
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+
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+
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+/************************************************************************/
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+/*
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+ 函数:GetEncoderClsid
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+ 描述:获取GDI+支持的图像格式编码器种类,以及所有种类编码器信息;
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+ 参数:
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+ IN: format 要获取的图像格式;
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+ OUT: pClsid 返回符合条件的图像编码器信息;
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+ 返回:成功返回编码器索引,否则返回-1;
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+*/
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+/************************************************************************/
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+int IMGCommon::GetEncoderClsid(IN CONST WCHAR* format, OUT CLSID* pClsid)
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+{
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+ // GDI+支持的图像编码器数量;
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+ UINT numEncoders = 0;
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|
|
+ // GDI+所有图像格式编码器详细信息所需要的空间大小;
|
|
|
+ UINT nSize = 0;
|
|
|
+
|
|
|
+ ImageCodecInfo* pImageCodecInfo = NULL;
|
|
|
+
|
|
|
+ // 2.获取GDI+支持的所有图像格式编码器详细信息所需要的空间大小;
|
|
|
+ GetImageEncodersSize(&numEncoders, &nSize);
|
|
|
+ if (nSize == 0)
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ //3.为ImageCodecInfo数组分配足额空间;
|
|
|
+ pImageCodecInfo = (ImageCodecInfo*)(malloc(nSize));
|
|
|
+ if (pImageCodecInfo == NULL)
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ //4.获取所有的图像编码器信息;
|
|
|
+ GetImageEncoders(numEncoders, nSize, pImageCodecInfo);
|
|
|
+
|
|
|
+ //5.查找符合的图像编码器的Clsid;
|
|
|
+ for (UINT i = 0; i < numEncoders; ++i)
|
|
|
+ {
|
|
|
+ if (wcscmp(pImageCodecInfo[i].MimeType, format) == 0)
|
|
|
+ {
|
|
|
+ *pClsid = pImageCodecInfo[i].Clsid;
|
|
|
+ free(pImageCodecInfo);
|
|
|
+ return i; // Success
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ //6.释放步骤3分配的内存;
|
|
|
+ free(pImageCodecInfo);
|
|
|
+
|
|
|
+ return -1;
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/*
|
|
|
+ 函数:SaveImg2newfile
|
|
|
+ 描述:将Image对象另存为其他格式的文件;
|
|
|
+ 参数:
|
|
|
+ IN: pImg GDI+ Image对象指针,需要保存的图像对象;
|
|
|
+ IN: lpnewfile 其他格式的新文件名(jpg,bmp,png,jpeg);
|
|
|
+ IN: uQuality 另存为新文件时的图像质量值;
|
|
|
+ 返回:
|
|
|
+
|
|
|
+ 注意:Image::Save 若文件存在,会覆盖存在的文件;
|
|
|
+*/
|
|
|
+/************************************************************************/
|
|
|
+BOOL IMGCommon::SaveImg2newfile(IN Image* pImg, IN CString strNewfile, IN ULONG uQuality)
|
|
|
+{
|
|
|
+ if (pImg == NULL) return FALSE;
|
|
|
+
|
|
|
+ // 需要判断路径是否存在,不存在创建目录;
|
|
|
+ int nIndex = strNewfile.ReverseFind(_T('\\'));
|
|
|
+ if (nIndex == -1)
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ if (!PathFileExists(strNewfile.Left(nIndex)))
|
|
|
+ {
|
|
|
+ // 如果文件夹不存在,创建;
|
|
|
+#if 0
|
|
|
+ CreateDirectoryEx(strNewfile.Left(nIndex));
|
|
|
+#else
|
|
|
+ SHCreateDirectoryEx(NULL, strNewfile.Left(nIndex), NULL);
|
|
|
+#endif
|
|
|
+ }
|
|
|
+
|
|
|
+ nIndex = strNewfile.ReverseFind(_T('.'));
|
|
|
+ if (nIndex == -1)
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ Status stat = GenericError;
|
|
|
+ CLSID encoderClsid = { 0 };
|
|
|
+ BSTR newfile = strNewfile.AllocSysString();
|
|
|
+
|
|
|
+ strNewfile = strNewfile.Mid(nIndex + 1);
|
|
|
+ if (strNewfile.CompareNoCase(_T("bmp")) == 0)
|
|
|
+ {
|
|
|
+ GetEncoderClsid(L"image/bmp", &encoderClsid);
|
|
|
+ stat = pImg->Save(newfile, &encoderClsid, NULL);
|
|
|
+ }
|
|
|
+ else if (strNewfile.CompareNoCase(_T("png")) == 0)
|
|
|
+ {
|
|
|
+ GetEncoderClsid(L"image/png", &encoderClsid);
|
|
|
+ stat = pImg->Save(newfile, &encoderClsid, NULL);
|
|
|
+ }
|
|
|
+ else// if ( strNewfile.CompareNoCase(_T("jpeg")) == 0 )
|
|
|
+ {
|
|
|
+ GetEncoderClsid(L"image/jpeg", &encoderClsid);
|
|
|
+
|
|
|
+ EncoderParameters encoderParameters;
|
|
|
+ encoderParameters.Count = 1;
|
|
|
+ encoderParameters.Parameter[0].Guid = EncoderQuality;
|
|
|
+ encoderParameters.Parameter[0].Type = EncoderParameterValueTypeLong;
|
|
|
+ encoderParameters.Parameter[0].NumberOfValues = 1;
|
|
|
+ // Save the image as a JPEG with quality level 100.
|
|
|
+ encoderParameters.Parameter[0].Value = &uQuality;
|
|
|
+ stat = pImg->Save(newfile, &encoderClsid, &encoderParameters);
|
|
|
+ }
|
|
|
+
|
|
|
+ SysFreeString(newfile);
|
|
|
+
|
|
|
+ return stat == Ok ? TRUE : FALSE;
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::SaveImg2newfile(IN Image* pImg, IN TString strNewfile, IN ULONG uQuality)
|
|
|
+{
|
|
|
+ if (pImg == NULL) return FALSE;
|
|
|
+
|
|
|
+ // 需要判断路径是否存在,不存在创建目录;
|
|
|
+ int nIndex = strNewfile.find_last_of(_T('\\'));
|
|
|
+ if (nIndex == TString::npos)
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ if (!PathFileExists(strNewfile.substr(0, nIndex).c_str()))
|
|
|
+ {
|
|
|
+ // 如果文件夹不存在,创建;
|
|
|
+#if 0
|
|
|
+ CreateDirectoryEx(strNewfile.substr(0, nIndex).c_str());
|
|
|
+#else
|
|
|
+ SHCreateDirectoryEx(NULL, strNewfile.substr(0, nIndex).c_str(), NULL);
|
|
|
+#endif
|
|
|
+ }
|
|
|
+
|
|
|
+ nIndex = strNewfile.find_last_of(_T('.'));
|
|
|
+ if (nIndex == TString::npos)
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ Status stat = GenericError;
|
|
|
+ CLSID encoderClsid = { 0 };
|
|
|
+ BSTR newfile = _bstr_t(strNewfile.c_str());
|
|
|
+
|
|
|
+ strNewfile = strNewfile.substr(nIndex + 1);
|
|
|
+ if (strNewfile.find(_T("bmp")) == 0)
|
|
|
+ {
|
|
|
+ GetEncoderClsid(L"image/bmp", &encoderClsid);
|
|
|
+ stat = pImg->Save(newfile, &encoderClsid, NULL);
|
|
|
+ }
|
|
|
+ else if (strNewfile.find(_T("png")) == 0)
|
|
|
+ {
|
|
|
+ GetEncoderClsid(L"image/png", &encoderClsid);
|
|
|
+ stat = pImg->Save(newfile, &encoderClsid, NULL);
|
|
|
+ }
|
|
|
+ else// if ( strNewfile.CompareNoCase(_T("jpeg")) == 0 )
|
|
|
+ {
|
|
|
+ GetEncoderClsid(L"image/jpeg", &encoderClsid);
|
|
|
+
|
|
|
+ EncoderParameters encoderParameters;
|
|
|
+ encoderParameters.Count = 1;
|
|
|
+ encoderParameters.Parameter[0].Guid = EncoderQuality;
|
|
|
+ encoderParameters.Parameter[0].Type = EncoderParameterValueTypeLong;
|
|
|
+ encoderParameters.Parameter[0].NumberOfValues = 1;
|
|
|
+ // Save the image as a JPEG with quality level 100.
|
|
|
+ encoderParameters.Parameter[0].Value = &uQuality;
|
|
|
+ stat = pImg->Save(newfile, &encoderClsid, &encoderParameters);
|
|
|
+ }
|
|
|
+
|
|
|
+ SysFreeString(newfile);
|
|
|
+
|
|
|
+ return stat == Ok ? TRUE : FALSE;
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/*
|
|
|
+ 函数:ZoomImg
|
|
|
+ 描述:缩放到指定大小的区域中,返回缩放后的尺寸;
|
|
|
+ 参数:
|
|
|
+ IN: Imgrc 图像的大小;
|
|
|
+ IN: dwDisplayPix 图像要显示的区域的大小;
|
|
|
+ OUT: dwZoomPix 图像在显示区域内缩放后的尺寸;
|
|
|
+ 返回:
|
|
|
+
|
|
|
+ 注意:dwZoomPix的尺寸必须在dwDisplayPix内;
|
|
|
+*/
|
|
|
+/************************************************************************/
|
|
|
+int IMGCommon::ZoomImg(IN CRect &Imgrc, IN CONST DWORD &dwDisplayPix, OUT DWORD &dwZoomPix)
|
|
|
+{
|
|
|
+ double fDisplayWidth = GET_XPIX(dwDisplayPix);
|
|
|
+ double fDisplayHeight = GET_YPIX(dwDisplayPix);
|
|
|
+
|
|
|
+ // 显示区域长宽比;
|
|
|
+ double fDisplayAspectRatio = fDisplayWidth / fDisplayHeight;
|
|
|
+
|
|
|
+ // 图片长宽比;
|
|
|
+ double fImgAspectRatio = ((double)Imgrc.Width()) / ((double)Imgrc.Height());
|
|
|
+
|
|
|
+ double fZoomWidth;
|
|
|
+ double fZoomHeight;
|
|
|
+
|
|
|
+ if (fDisplayAspectRatio > fImgAspectRatio)
|
|
|
+ {
|
|
|
+ fZoomWidth = fDisplayHeight*fImgAspectRatio;
|
|
|
+ fZoomHeight = fDisplayHeight;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ fZoomWidth = fDisplayWidth;
|
|
|
+ fZoomHeight = fDisplayWidth / fImgAspectRatio;
|
|
|
+ }
|
|
|
+
|
|
|
+ dwZoomPix = SET_PIX((int)fZoomWidth, (int)fZoomHeight);
|
|
|
+
|
|
|
+ //////////////////////////////////////////////////////////////////////////
|
|
|
+ int nRetval = 0;
|
|
|
+ if ((fDisplayWidth == Imgrc.Width()) && (fDisplayHeight == Imgrc.Height()))
|
|
|
+ {
|
|
|
+ nRetval = ZoomNull;
|
|
|
+ }
|
|
|
+ else if ((fDisplayWidth > Imgrc.Width()) && (fDisplayHeight > Imgrc.Height()))
|
|
|
+ {
|
|
|
+ nRetval = ZoomOut;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ nRetval = ZoomIn;
|
|
|
+ }
|
|
|
+
|
|
|
+ return nRetval;
|
|
|
+}
|
|
|
+
|
|
|
+int IMGCommon::ZoomImg(IN CONST DWORD &dwImgPix, IN CONST DWORD &dwDisplayPix, OUT DWORD &dwZoomPix)
|
|
|
+{
|
|
|
+ double fDisplayWidth = GET_XPIX(dwDisplayPix);
|
|
|
+ double fDisplayHeight = GET_YPIX(dwDisplayPix);
|
|
|
+
|
|
|
+ // 显示区域长宽比;
|
|
|
+ double fDisplayAspectRatio = fDisplayWidth / fDisplayHeight;
|
|
|
+
|
|
|
+ // 图片长宽比;
|
|
|
+ double fImgAspectRatio = ((double)GET_XPIX(dwImgPix)) / ((double)GET_YPIX(dwImgPix));
|
|
|
+
|
|
|
+ double fZoomWidth;
|
|
|
+ double fZoomHeight;
|
|
|
+
|
|
|
+ if (fDisplayAspectRatio > fImgAspectRatio)
|
|
|
+ {
|
|
|
+ fZoomWidth = fDisplayHeight*fImgAspectRatio;
|
|
|
+ fZoomHeight = fDisplayHeight;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ fZoomWidth = fDisplayWidth;
|
|
|
+ fZoomHeight = fDisplayWidth / fImgAspectRatio;
|
|
|
+ }
|
|
|
+
|
|
|
+ dwZoomPix = SET_PIX((int)fZoomWidth, (int)fZoomHeight);
|
|
|
+
|
|
|
+ //////////////////////////////////////////////////////////////////////////
|
|
|
+ int nRetval = 0;
|
|
|
+ if ((fDisplayWidth == GET_XPIX(dwImgPix)) && (fDisplayHeight == GET_YPIX(dwImgPix)))
|
|
|
+ {
|
|
|
+ nRetval = ZoomNull;
|
|
|
+ }
|
|
|
+ else if ((fDisplayWidth > GET_XPIX(dwImgPix)) && (fDisplayHeight > GET_YPIX(dwImgPix)))
|
|
|
+ {
|
|
|
+ nRetval = ZoomOut;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ nRetval = ZoomIn;
|
|
|
+ }
|
|
|
+
|
|
|
+ return nRetval;
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/*
|
|
|
+ 函数:ImgThumbnail
|
|
|
+ 描述:生成高质量的图像缩略图;
|
|
|
+ 参数:
|
|
|
+ 返回:
|
|
|
+
|
|
|
+ 注意:为了健壮性,strNewfile的路径可以在函数内再次判断是否有效,防止在函数外没有进行经判断;
|
|
|
+*/
|
|
|
+/************************************************************************/
|
|
|
+BOOL IMGCommon::ImgThumbnail(IN Image* pImg, IN CONST DWORD &dwDisplayPix, IN CString strNewfile, IN ULONG uQuality)
|
|
|
+{
|
|
|
+ if (pImg == NULL) return FALSE;
|
|
|
+
|
|
|
+ DWORD dwZoomPix;
|
|
|
+ int retval = ZoomImg(SET_PIX(pImg->GetWidth(), pImg->GetHeight()), dwDisplayPix, dwZoomPix);
|
|
|
+ if (retval == ZoomOut)
|
|
|
+ {
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+ else if (retval == ZoomNull)
|
|
|
+ {
|
|
|
+ return SaveImg2newfile(pImg, strNewfile, uQuality);
|
|
|
+ }
|
|
|
+
|
|
|
+ // 绘制缩略图;
|
|
|
+ Bitmap bitmap(GET_XPIX(dwZoomPix), GET_YPIX(dwZoomPix));
|
|
|
+ Graphics *graphic = Graphics::FromImage(&bitmap);
|
|
|
+ graphic->Clear(Color(255, 255, 255, 255));
|
|
|
+
|
|
|
+ // 设置缩放或旋转图片时的算法(图片质量);
|
|
|
+ graphic->SetInterpolationMode(InterpolationModeHighQualityBicubic);
|
|
|
+ // 设置渲染图形对象的质量;
|
|
|
+ graphic->SetSmoothingMode(SmoothingModeHighQuality);//SmoothingModeHighSpeed
|
|
|
+ // 设置图形对象的像素偏移模式;
|
|
|
+ graphic->SetPixelOffsetMode(PixelOffsetModeHighQuality);
|
|
|
+ // 设置图形对象的合成模式;
|
|
|
+ graphic->SetCompositingMode(CompositingModeSourceOver);
|
|
|
+ // 设置图形对象的合成质量;
|
|
|
+ graphic->SetCompositingQuality(CompositingQualityHighQuality);
|
|
|
+ // 设置图形对象的文本渲染模式;
|
|
|
+ graphic->SetTextRenderingHint(TextRenderingHintAntiAliasGridFit);
|
|
|
+ graphic->DrawImage(pImg, 0, 0, GET_XPIX(dwZoomPix), GET_YPIX(dwZoomPix));
|
|
|
+
|
|
|
+ delete graphic;
|
|
|
+
|
|
|
+ // 生成缩略图;
|
|
|
+ return SaveImg2newfile(&bitmap, strNewfile, uQuality);
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::ImgThumbnail(IN LPCTSTR lpImgpath, IN CONST DWORD &dwDisplayPix, IN CString strNewfile, IN ULONG uQuality)
|
|
|
+{
|
|
|
+ if (!PathFileExists(lpImgpath))
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ Image Img(lpImgpath);
|
|
|
+#else
|
|
|
+ BSTR strtmp = _bstr_t(lpImgpath);
|
|
|
+ Image Img(strtmp);
|
|
|
+ SysFreeString(strtmp);
|
|
|
+#endif
|
|
|
+
|
|
|
+ DWORD dwZoomPix;
|
|
|
+ int retval = ZoomImg(SET_PIX(Img.GetWidth(), Img.GetHeight()), dwDisplayPix, dwZoomPix);
|
|
|
+ if (retval == ZoomOut)
|
|
|
+ {
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+ else if (retval == ZoomNull)
|
|
|
+ {
|
|
|
+ return SaveImg2newfile(&Img, strNewfile, uQuality);
|
|
|
+ }
|
|
|
+
|
|
|
+ // 绘制缩略图;
|
|
|
+ Bitmap bitmap(GET_XPIX(dwZoomPix), GET_YPIX(dwZoomPix));
|
|
|
+ Graphics *graphic = Graphics::FromImage(&bitmap);
|
|
|
+ graphic->Clear(Color(255, 255, 255, 255));
|
|
|
+
|
|
|
+ // 设置缩放或旋转图片时的算法(图片质量);
|
|
|
+ graphic->SetInterpolationMode(InterpolationModeHighQualityBicubic);
|
|
|
+ // 设置渲染图形对象的质量;
|
|
|
+ graphic->SetSmoothingMode(SmoothingModeHighQuality);//SmoothingModeHighSpeed
|
|
|
+ // 设置图形对象的像素偏移模式;
|
|
|
+ graphic->SetPixelOffsetMode(PixelOffsetModeHighQuality);
|
|
|
+ // 设置图形对象的合成模式;
|
|
|
+ graphic->SetCompositingMode(CompositingModeSourceOver);
|
|
|
+ // 设置图形对象的合成质量;
|
|
|
+ graphic->SetCompositingQuality(CompositingQualityHighQuality);
|
|
|
+ // 设置图形对象的文本渲染模式;
|
|
|
+ graphic->SetTextRenderingHint(TextRenderingHintAntiAliasGridFit);
|
|
|
+ Status st = graphic->DrawImage(&Img, 0, 0, GET_XPIX(dwZoomPix), GET_YPIX(dwZoomPix));
|
|
|
+ if ( st != Ok )
|
|
|
+ {
|
|
|
+ delete graphic;
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+ delete graphic;
|
|
|
+ // 生成缩略图;
|
|
|
+ return SaveImg2newfile(&bitmap, strNewfile, uQuality);
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::ImgThumbnail(IN CONST TString &strImgpath, IN CONST DWORD &dwDisplayPix, IN TString strNewfile, IN ULONG uQuality)
|
|
|
+{
|
|
|
+ if (!PathFileExists(strImgpath.c_str()))
|
|
|
+ {
|
|
|
+ SetLastError(GetLastError());
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ BSTR strtmp = _bstr_t(strImgpath.c_str());
|
|
|
+ Image Img(strtmp);
|
|
|
+ SysFreeString(strtmp);
|
|
|
+ //Image Img(strImgpath);
|
|
|
+#else
|
|
|
+ BSTR strtmp = _bstr_t(strImgpath.c_str());
|
|
|
+ Image Img(strtmp);
|
|
|
+ SysFreeString(strtmp);
|
|
|
+#endif
|
|
|
+
|
|
|
+ DWORD dwZoomPix;
|
|
|
+ int retval = ZoomImg(SET_PIX(Img.GetWidth(), Img.GetHeight()), dwDisplayPix, dwZoomPix);
|
|
|
+ if (retval == ZoomOut)
|
|
|
+ {
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+ else if (retval == ZoomNull)
|
|
|
+ {
|
|
|
+ return SaveImg2newfile(&Img, strNewfile, uQuality);
|
|
|
+ }
|
|
|
+
|
|
|
+ // 绘制缩略图;
|
|
|
+ Bitmap bitmap(GET_XPIX(dwZoomPix), GET_YPIX(dwZoomPix));
|
|
|
+ Graphics *graphic = Graphics::FromImage(&bitmap);
|
|
|
+ graphic->Clear(Color(255, 255, 255, 255));
|
|
|
+
|
|
|
+ // 设置缩放或旋转图片时的算法(图片质量);
|
|
|
+ graphic->SetInterpolationMode(InterpolationModeHighQualityBicubic);
|
|
|
+ // 设置渲染图形对象的质量;
|
|
|
+ graphic->SetSmoothingMode(SmoothingModeHighQuality);//SmoothingModeHighSpeed
|
|
|
+ // 设置图形对象的像素偏移模式;
|
|
|
+ graphic->SetPixelOffsetMode(PixelOffsetModeHighQuality);
|
|
|
+ // 设置图形对象的合成模式;
|
|
|
+ graphic->SetCompositingMode(CompositingModeSourceOver);
|
|
|
+ // 设置图形对象的合成质量;
|
|
|
+ graphic->SetCompositingQuality(CompositingQualityHighQuality);
|
|
|
+ // 设置图形对象的文本渲染模式;
|
|
|
+ graphic->SetTextRenderingHint(TextRenderingHintAntiAliasGridFit);
|
|
|
+ Status st = graphic->DrawImage(&Img, 0, 0, GET_XPIX(dwZoomPix), GET_YPIX(dwZoomPix));
|
|
|
+ if ( st != Ok )
|
|
|
+ {
|
|
|
+ delete graphic;
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+ delete graphic;
|
|
|
+ // 生成缩略图;
|
|
|
+ return SaveImg2newfile(&bitmap, strNewfile, uQuality);
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::SimpleImgThumbnail(IN LPCTSTR lpImgpath, IN CONST DWORD &dwDisplayPix, IN CString strNewfile, IN ULONG uQuality)
|
|
|
+{
|
|
|
+ if (!PathFileExists(lpImgpath))
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ DWORD dwZoomPix;
|
|
|
+ Image *pImg = NULL;
|
|
|
+ LoadImgFromFile(&pImg, lpImgpath);
|
|
|
+ if ( pImg == NULL )
|
|
|
+ {
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+ int retval = ZoomImg(SET_PIX(pImg->GetWidth(), pImg->GetHeight()), dwDisplayPix, dwZoomPix);
|
|
|
+ if (retval == ZoomOut)
|
|
|
+ {
|
|
|
+ if (pImg) delete pImg;
|
|
|
+
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+ else if (retval == ZoomNull)
|
|
|
+ {
|
|
|
+ BOOL bRet = SaveImg2newfile(pImg, strNewfile, uQuality);
|
|
|
+ if (pImg) delete pImg;
|
|
|
+
|
|
|
+ return bRet;
|
|
|
+ }
|
|
|
+
|
|
|
+ Image *pThumbnailImg = pImg->GetThumbnailImage(GET_XPIX(dwZoomPix), GET_YPIX(dwZoomPix));
|
|
|
+ if (pThumbnailImg)
|
|
|
+ {
|
|
|
+ // 提高缩略图质量;
|
|
|
+ Graphics graphic(pThumbnailImg);
|
|
|
+ graphic.DrawImage(pImg, 0, 0, pThumbnailImg->GetWidth(), pThumbnailImg->GetHeight());
|
|
|
+ INT nRientation = GetOrientation(pImg);
|
|
|
+ if ( nRientation == 8 )
|
|
|
+ {
|
|
|
+ pThumbnailImg->RotateFlip(Rotate270FlipNone);
|
|
|
+ }
|
|
|
+ else if (nRientation == 6)
|
|
|
+ {
|
|
|
+ pThumbnailImg->RotateFlip(Rotate90FlipNone);
|
|
|
+ }
|
|
|
+ SaveImg2newfile(pThumbnailImg, strNewfile, uQuality);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if (pImg) delete pImg;
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (pImg) delete pImg;
|
|
|
+ if (pThumbnailImg) delete pThumbnailImg;
|
|
|
+
|
|
|
+ return TRUE;
|
|
|
+}
|
|
|
+
|
|
|
+Image* IMGCommon::AppendImgWatermark(IN Image* pImg, IN Image* pWatemarkImg)
|
|
|
+{
|
|
|
+ if ( pImg == NULL || pWatemarkImg == NULL )
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ // Status st = GenericError;
|
|
|
+ // 创建图像显示属性对象;
|
|
|
+ ImageAttributes ImgAttr;
|
|
|
+ // 创建新位图;
|
|
|
+ Bitmap *pBitmap = ::new Bitmap(pImg->GetWidth(), pImg->GetHeight(), PixelFormat32bppPARGB);
|
|
|
+ // 创建水印图显示位置;
|
|
|
+ RectF layWatemarkRect(10.0, 10.0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight());
|
|
|
+ // 创建画布对象;
|
|
|
+ Graphics *grap = Graphics::FromImage(pBitmap);
|
|
|
+ // 绘制画布底色;
|
|
|
+ if ( Ok != grap->Clear(Color(255,255,255,255)) )
|
|
|
+ goto clear;
|
|
|
+ // 设置图片显示质量;
|
|
|
+ if ( Ok != grap->SetSmoothingMode(SmoothingModeAntiAlias) )
|
|
|
+ goto clear;
|
|
|
+ // 设置文本质量;
|
|
|
+ if ( Ok != grap->SetTextRenderingHint(TextRenderingHintAntiAlias))
|
|
|
+ goto clear;
|
|
|
+ // 在画布上画原始图片;
|
|
|
+ if ( Ok != grap->DrawImage(pImg, 0, 0, pImg->GetWidth(), pImg->GetHeight()) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ // 设置透明颜色为水印图片四角底色,水印图显示为圆角;
|
|
|
+ if ( Ok != ImgAttr.SetColorKey(0xFF00FF00, 0xFF00FF00, ColorAdjustTypeBitmap))
|
|
|
+ goto clear;
|
|
|
+ // 设置水印图片透明底为0.3;
|
|
|
+ if ( Ok != ImgAttr.SetColorMatrix(&_ClrMatrix, ColorMatrixFlagsDefault, ColorAdjustTypeBitmap) )
|
|
|
+ goto clear;
|
|
|
+ // 在画布左上角画水印;
|
|
|
+ if ( Ok != grap->DrawImage(pWatemarkImg, layWatemarkRect, 0, 0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight(), UnitPixel, &ImgAttr) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ return pBitmap;
|
|
|
+
|
|
|
+clear:
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ if ( pBitmap )
|
|
|
+ delete pBitmap;
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+Image* IMGCommon::AppendImgWatermark(IN Image* pImg, IN LPCTSTR lpWatemarkImgpath)
|
|
|
+{
|
|
|
+ if ( !PathFileExists(lpWatemarkImgpath) || pImg == NULL )
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ Image *pWatemarkImg = Image::FromFile(lpWatemarkImgpath);
|
|
|
+#else
|
|
|
+ BSTR str = _bstr_t(lpWatemarkImgpath);
|
|
|
+ Image* pWatemarkImg = Image::FromFile(str);
|
|
|
+ SysFreeString(str);
|
|
|
+#endif
|
|
|
+
|
|
|
+ if ( pImg == NULL )
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ //Status st = GenericError;
|
|
|
+ // 创建图像显示属性对象;
|
|
|
+ ImageAttributes ImgAttr;
|
|
|
+ // 创建新位图;
|
|
|
+ Bitmap *pBitmap = ::new Bitmap(pImg->GetWidth(), pImg->GetHeight(), PixelFormat32bppPARGB);
|
|
|
+ // 创建水印图显示位置;
|
|
|
+ RectF layWatemarkRect(10.0, 10.0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight());
|
|
|
+ // 创建画布对象;
|
|
|
+ Graphics *grap = Graphics::FromImage(pBitmap);
|
|
|
+ // 绘制画布底色;
|
|
|
+ if ( Ok != grap->Clear(Color(255,255,255,255)) )
|
|
|
+ goto clear;
|
|
|
+ // 设置图片显示质量;
|
|
|
+ if ( Ok != grap->SetSmoothingMode(SmoothingModeAntiAlias) )
|
|
|
+ goto clear;
|
|
|
+ // 设置文本质量;
|
|
|
+ if ( Ok != grap->SetTextRenderingHint(TextRenderingHintAntiAlias))
|
|
|
+ goto clear;
|
|
|
+ // 在画布上画原始图片;
|
|
|
+ if ( Ok != grap->DrawImage(pImg, 0, 0, pImg->GetWidth(), pImg->GetHeight()) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ // 设置透明颜色为水印图片四角底色,水印图显示为圆角;
|
|
|
+ if ( Ok != ImgAttr.SetColorKey(0xFF00FF00, 0xFF00FF00, ColorAdjustTypeBitmap))
|
|
|
+ goto clear;
|
|
|
+ // 设置水印图片透明底为0.3;
|
|
|
+ if ( Ok != ImgAttr.SetColorMatrix(&_ClrMatrix, ColorMatrixFlagsDefault, ColorAdjustTypeBitmap) )
|
|
|
+ goto clear;
|
|
|
+ // 在画布左上角画水印;
|
|
|
+ if ( Ok != grap->DrawImage(pWatemarkImg, layWatemarkRect, 0, 0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight(), UnitPixel, &ImgAttr) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ return pBitmap;
|
|
|
+
|
|
|
+clear:
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ if ( pBitmap )
|
|
|
+ delete pBitmap;
|
|
|
+
|
|
|
+ if ( pWatemarkImg )
|
|
|
+ delete pWatemarkImg;
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+Image* IMGCommon::AppendImgWatermark(IN LPCTSTR lpImgpath, IN Image* pWatemarkImg)
|
|
|
+{
|
|
|
+ if ( !PathFileExists(lpImgpath) || pWatemarkImg == NULL )
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ Image *pImg = Image::FromFile(lpImgpath);
|
|
|
+#else
|
|
|
+ BSTR str = _bstr_t(lpImgpath);
|
|
|
+ Image* pImg = Image::FromFile(str);
|
|
|
+ SysFreeString(str);
|
|
|
+#endif
|
|
|
+
|
|
|
+ if ( pImg == NULL )
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ //Status st = GenericError;
|
|
|
+ // 创建图像显示属性对象;
|
|
|
+ ImageAttributes ImgAttr;
|
|
|
+ // 创建新位图;
|
|
|
+ Bitmap *pBitmap = ::new Bitmap(pImg->GetWidth(), pImg->GetHeight(), PixelFormat32bppPARGB);
|
|
|
+ // 创建水印图显示位置;
|
|
|
+ RectF layWatemarkRect(10.0, 10.0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight());
|
|
|
+ // 创建画布对象;
|
|
|
+ Graphics *grap = Graphics::FromImage(pBitmap);
|
|
|
+ // 绘制画布底色;
|
|
|
+ if ( Ok != grap->Clear(Color(255,255,255,255)) )
|
|
|
+ goto clear;
|
|
|
+ // 设置图片显示质量;
|
|
|
+ if ( Ok != grap->SetSmoothingMode(SmoothingModeAntiAlias) )
|
|
|
+ goto clear;
|
|
|
+ // 设置文本质量;
|
|
|
+ if ( Ok != grap->SetTextRenderingHint(TextRenderingHintAntiAlias))
|
|
|
+ goto clear;
|
|
|
+ // 在画布上画原始图片;
|
|
|
+ if ( Ok != grap->DrawImage(pImg, 0, 0, pImg->GetWidth(), pImg->GetHeight()) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ // 设置透明颜色为水印图片四角底色,水印图显示为圆角;
|
|
|
+ if ( Ok != ImgAttr.SetColorKey(0xFF00FF00, 0xFF00FF00, ColorAdjustTypeBitmap))
|
|
|
+ goto clear;
|
|
|
+ // 设置水印图片透明底为0.3;
|
|
|
+ if ( Ok != ImgAttr.SetColorMatrix(&_ClrMatrix, ColorMatrixFlagsDefault, ColorAdjustTypeBitmap) )
|
|
|
+ goto clear;
|
|
|
+ // 在画布左上角画水印;
|
|
|
+ if ( Ok != grap->DrawImage(pWatemarkImg, layWatemarkRect, 0, 0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight(), UnitPixel, &ImgAttr) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ return pBitmap;
|
|
|
+
|
|
|
+clear:
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ if ( pBitmap )
|
|
|
+ delete pBitmap;
|
|
|
+
|
|
|
+ if ( pImg )
|
|
|
+ delete pImg;
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+Image* IMGCommon::AppendImgWatermark(IN LPCTSTR lpImgpath, IN LPCTSTR lpWatemarkImgpath)
|
|
|
+{
|
|
|
+ if ( !PathFileExists(lpImgpath) || !PathFileExists(lpWatemarkImgpath) )
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ Image *pImg = Image::FromFile(lpImgpath);
|
|
|
+ Image *pWatemarkImg = Image::FromFile(lpWatemarkImgpath);
|
|
|
+#else
|
|
|
+ BSTR str = _bstr_t(lpImgpath);
|
|
|
+ Image* pImg = Image::FromFile(str);
|
|
|
+ SysFreeString(str);
|
|
|
+
|
|
|
+ BSTR str2 = _bstr_t(lpWatemarkImgpath);
|
|
|
+ Image* pWatemarkImg = Image::FromFile(str2);
|
|
|
+ SysFreeString(str2);
|
|
|
+#endif
|
|
|
+
|
|
|
+ if ( pImg == NULL || pWatemarkImg == NULL )
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ //Status st = GenericError;
|
|
|
+ // 创建图像显示属性对象;
|
|
|
+ ImageAttributes ImgAttr;
|
|
|
+ // 创建新位图;
|
|
|
+ Bitmap *pBitmap = ::new Bitmap(pImg->GetWidth(), pImg->GetHeight(), PixelFormat32bppPARGB);
|
|
|
+ // 创建水印图显示位置;
|
|
|
+ RectF layWatemarkRect(10.0, 10.0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight());
|
|
|
+ // 创建画布对象;
|
|
|
+ Graphics *grap = Graphics::FromImage(pBitmap);
|
|
|
+ // 绘制画布底色;
|
|
|
+ if ( Ok != grap->Clear(Color(255,255,255,255)) )
|
|
|
+ goto clear;
|
|
|
+ // 设置图片显示质量;
|
|
|
+ if ( Ok != grap->SetSmoothingMode(SmoothingModeAntiAlias) )
|
|
|
+ goto clear;
|
|
|
+ // 设置文本质量;
|
|
|
+ if ( Ok != grap->SetTextRenderingHint(TextRenderingHintAntiAlias))
|
|
|
+ goto clear;
|
|
|
+ // 在画布上画原始图片;
|
|
|
+ if ( Ok != grap->DrawImage(pImg, 0, 0, pImg->GetWidth(), pImg->GetHeight()) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ // 设置透明颜色为水印图片四角底色,水印图显示为圆角;
|
|
|
+ if ( Ok != ImgAttr.SetColorKey(0xFF00FF00, 0xFF00FF00, ColorAdjustTypeBitmap))
|
|
|
+ goto clear;
|
|
|
+ // 设置水印图片透明底为0.3;
|
|
|
+ if ( Ok != ImgAttr.SetColorMatrix(&_ClrMatrix, ColorMatrixFlagsDefault, ColorAdjustTypeBitmap) )
|
|
|
+ goto clear;
|
|
|
+ // 在画布左上角画水印;
|
|
|
+ if ( Ok != grap->DrawImage(pWatemarkImg, layWatemarkRect, 0, 0, pWatemarkImg->GetWidth(), pWatemarkImg->GetHeight(), UnitPixel, &ImgAttr) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ return pBitmap;
|
|
|
+
|
|
|
+clear:
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ if ( pBitmap )
|
|
|
+ delete pBitmap;
|
|
|
+
|
|
|
+ if ( pImg )
|
|
|
+ delete pImg;
|
|
|
+
|
|
|
+ if ( pWatemarkImg )
|
|
|
+ delete pWatemarkImg;
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::AppendImgWatermark(IN Image* pImg, IN Image* pWatemarkImg, IN LPCTSTR lpSaveImgpath)
|
|
|
+{
|
|
|
+ Image* pSaveImg = AppendImgWatermark(pImg, pWatemarkImg);
|
|
|
+ if ( pSaveImg == NULL )
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ // 创建新的目录;
|
|
|
+ CString strImgs = lpSaveImgpath;
|
|
|
+ INT nIndex = strImgs.ReverseFind(_T('\\'));
|
|
|
+ if ( nIndex != -1 )
|
|
|
+ {
|
|
|
+ strImgs = strImgs.Mid(0,nIndex+1);
|
|
|
+ if ( !PathFileExists(strImgs) )
|
|
|
+ {
|
|
|
+#if 0
|
|
|
+ if ( CreateDirectoryEx(strImgs) )
|
|
|
+#else
|
|
|
+ if (SHCreateDirectoryEx(NULL, strImgs, NULL))
|
|
|
+#endif
|
|
|
+ {
|
|
|
+ if (SaveImg2newfile(pSaveImg, (CString)lpSaveImgpath, 100))
|
|
|
+ {
|
|
|
+ if ( pSaveImg )
|
|
|
+ delete pSaveImg;
|
|
|
+ pSaveImg = NULL;
|
|
|
+
|
|
|
+ return TRUE;
|
|
|
+ }
|
|
|
+
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return FALSE;
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::AppendImgWatermark(IN LPCTSTR lpImgpath, IN LPCTSTR lpWatemarkImgpath, IN LPCTSTR lpSaveImgpath)
|
|
|
+{
|
|
|
+ Image *pSaveImg = AppendImgWatermark(lpImgpath, lpWatemarkImgpath);
|
|
|
+ if ( pSaveImg == NULL)
|
|
|
+ return FALSE;
|
|
|
+
|
|
|
+ // 创建新的目录;
|
|
|
+ CString strImgs = lpSaveImgpath;
|
|
|
+ INT nIndex = strImgs.ReverseFind(_T('\\'));
|
|
|
+ if ( nIndex != -1 )
|
|
|
+ {
|
|
|
+ strImgs = strImgs.Mid(0,nIndex+1);
|
|
|
+ if ( !PathFileExists(strImgs) )
|
|
|
+ {
|
|
|
+#if 0
|
|
|
+ if (CreateDirectoryEx(strImgs))
|
|
|
+#else
|
|
|
+ if (SHCreateDirectoryEx(NULL, strImgs, NULL))
|
|
|
+#endif
|
|
|
+ {
|
|
|
+ if (SaveImg2newfile(pSaveImg, (CString)lpSaveImgpath, 100))
|
|
|
+ {
|
|
|
+ if ( pSaveImg )
|
|
|
+ delete pSaveImg;
|
|
|
+ pSaveImg = NULL;
|
|
|
+
|
|
|
+ return TRUE;
|
|
|
+ }
|
|
|
+
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return FALSE;
|
|
|
+}
|
|
|
+
|
|
|
+Image* IMGCommon::AppendWordWatermark(IN Image* pImg, IN LPCTSTR lpWatemarkString)
|
|
|
+{
|
|
|
+ if ( pImg == NULL || lpWatemarkString == NULL || lpWatemarkString[0] == _T('\0'))
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+#ifndef UNICODE
|
|
|
+ WCHAR* pText = CharEncoding::ASCII2UNICODE(lpWatemarkString);
|
|
|
+#endif
|
|
|
+
|
|
|
+ // 创建新位图;
|
|
|
+ Bitmap *pBitmap = ::new Bitmap(pImg->GetWidth(), pImg->GetHeight(), PixelFormat32bppPARGB);
|
|
|
+ // 创建字体;
|
|
|
+ FontFamily ffly(L"宋体");
|
|
|
+ Gdiplus::Font ft(&ffly, 24, FontStyleRegular, UnitPixel);
|
|
|
+ // 创建画刷;
|
|
|
+ SolidBrush brush(0x99000000);
|
|
|
+ // 创建文本格式;
|
|
|
+ StringFormat sf;
|
|
|
+ sf.SetAlignment(StringAlignmentCenter); // 水平居中;
|
|
|
+ // 创建水印文本显示位置;
|
|
|
+ RectF layWatemarkRect(pImg->GetWidth(), pImg->GetHeight() - 25, 0.0, 0.0); // 文字阴影;
|
|
|
+ RectF layWatemarkRect2(pImg->GetWidth(), pImg->GetHeight() - 26, 0.0, 0.0); // 文字原体;
|
|
|
+ // 创建画布对象;
|
|
|
+ Graphics *grap = Graphics::FromImage(pBitmap);
|
|
|
+ // 绘制画布底色;
|
|
|
+ if ( Ok != grap->Clear(Color(255,255,255,255)) )
|
|
|
+ goto clear;
|
|
|
+ // 设置图片显示质量;
|
|
|
+ if ( Ok != grap->SetSmoothingMode(SmoothingModeAntiAlias) )
|
|
|
+ goto clear;
|
|
|
+ // 设置文本质量;
|
|
|
+ if ( Ok != grap->SetTextRenderingHint(TextRenderingHintAntiAlias))
|
|
|
+ goto clear;
|
|
|
+ // 在画布上画原始图片;
|
|
|
+ if ( Ok != grap->DrawImage(pImg, 0, 0, pImg->GetWidth(), pImg->GetHeight()) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ // 画水印阴影;
|
|
|
+#ifdef UNICODE
|
|
|
+ if ( Ok != grap->DrawString(lpWatemarkString, wcslen(lpWatemarkString), &ft, layWatemarkRect, &sf, &brush) )
|
|
|
+#else
|
|
|
+ if ( Ok != grap->DrawString(pText, wcslen(pText), &ft, layWatemarkRect, &sf, &brush) )
|
|
|
+#endif
|
|
|
+ goto clear;
|
|
|
+ // 画水印文本;
|
|
|
+ brush.SetColor(0x99ffffff);
|
|
|
+#ifdef UNICODE
|
|
|
+ if ( Ok != grap->DrawString(lpWatemarkString, wcslen(lpWatemarkString), &ft, layWatemarkRect2, &sf, &brush) )
|
|
|
+#else
|
|
|
+ if ( Ok != grap->DrawString(pText, wcslen(pText), &ft, layWatemarkRect, &sf, &brush) )
|
|
|
+#endif
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ return pBitmap;
|
|
|
+
|
|
|
+clear:
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ if ( pBitmap )
|
|
|
+ delete pBitmap;
|
|
|
+
|
|
|
+ if ( pImg )
|
|
|
+ delete pImg;
|
|
|
+
|
|
|
+#ifndef UNICODE
|
|
|
+ if (pText)
|
|
|
+ delete []pText;
|
|
|
+#endif
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+Image* IMGCommon::AppendWordWatermark(IN LPCTSTR lpImgpath, IN LPCTSTR lpWatemarkString)
|
|
|
+{
|
|
|
+ if ( !PathFileExists(lpImgpath) || lpWatemarkString == NULL || lpWatemarkString[0] == _T('\0'))
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ Image *pImg = Image::FromFile(lpImgpath);
|
|
|
+#else
|
|
|
+ BSTR str = _bstr_t(lpImgpath);
|
|
|
+ Image* pImg = Image::FromFile(str);
|
|
|
+ SysFreeString(str);
|
|
|
+#endif
|
|
|
+
|
|
|
+#ifndef UNICODE
|
|
|
+ WCHAR* pText = CharEncoding::ASCII2UNICODE(lpWatemarkString);
|
|
|
+#endif
|
|
|
+
|
|
|
+ // 创建新位图;
|
|
|
+ Bitmap *pBitmap = ::new Bitmap(pImg->GetWidth(), pImg->GetHeight(), PixelFormat32bppPARGB);
|
|
|
+ // 创建字体;
|
|
|
+ FontFamily ffly(L"宋体");
|
|
|
+ Gdiplus::Font ft(&ffly, 24, FontStyleRegular, UnitPixel);
|
|
|
+ // 创建画刷;
|
|
|
+ SolidBrush brush(0x99000000);
|
|
|
+ // 创建文本格式;
|
|
|
+ StringFormat sf;
|
|
|
+ sf.SetAlignment(StringAlignmentCenter); // 水平居中;
|
|
|
+ // 创建水印文本显示位置;
|
|
|
+ RectF layWatemarkRect(pImg->GetWidth(), pImg->GetHeight() - 25, 0.0, 0.0); // 文字阴影;
|
|
|
+ RectF layWatemarkRect2(pImg->GetWidth(), pImg->GetHeight() - 26, 0.0, 0.0); // 文字原体;
|
|
|
+ // 创建画布对象;
|
|
|
+ Graphics *grap = Graphics::FromImage(pBitmap);
|
|
|
+ // 绘制画布底色;
|
|
|
+ if ( Ok != grap->Clear(Color(255,255,255,255)) )
|
|
|
+ goto clear;
|
|
|
+ // 设置图片显示质量;
|
|
|
+ if ( Ok != grap->SetSmoothingMode(SmoothingModeAntiAlias) )
|
|
|
+ goto clear;
|
|
|
+ // 设置文本质量;
|
|
|
+ if ( Ok != grap->SetTextRenderingHint(TextRenderingHintAntiAlias))
|
|
|
+ goto clear;
|
|
|
+ // 在画布上画原始图片;
|
|
|
+ if ( Ok != grap->DrawImage(pImg, 0, 0, pImg->GetWidth(), pImg->GetHeight()) )
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ // 画水印阴影;
|
|
|
+#ifdef UNICODE
|
|
|
+ if ( Ok != grap->DrawString(lpWatemarkString, wcslen(lpWatemarkString), &ft, layWatemarkRect, &sf, &brush) )
|
|
|
+#else
|
|
|
+ if ( Ok != grap->DrawString(pText, wcslen(pText), &ft, layWatemarkRect, &sf, &brush) )
|
|
|
+#endif
|
|
|
+ goto clear;
|
|
|
+ // 画水印文本;
|
|
|
+ brush.SetColor(0x99ffffff);
|
|
|
+#ifdef UNICODE
|
|
|
+ if ( Ok != grap->DrawString(lpWatemarkString, wcslen(lpWatemarkString), &ft, layWatemarkRect2, &sf, &brush) )
|
|
|
+#else
|
|
|
+ if ( Ok != grap->DrawString(pText, wcslen(pText), &ft, layWatemarkRect, &sf, &brush) )
|
|
|
+#endif
|
|
|
+ goto clear;
|
|
|
+
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ return pBitmap;
|
|
|
+
|
|
|
+clear:
|
|
|
+ if ( grap )
|
|
|
+ delete grap;
|
|
|
+
|
|
|
+ if ( pBitmap )
|
|
|
+ delete pBitmap;
|
|
|
+
|
|
|
+ if ( pImg )
|
|
|
+ delete pImg;
|
|
|
+
|
|
|
+#ifndef UNICODE
|
|
|
+ if (pText)
|
|
|
+ delete []pText;
|
|
|
+#endif
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::SaveBitmap(IN CDC *pDC, IN CBitmap* pBitmap, IN CONST INT& nBitdepth, IN const INT& nWidth, IN const INT& nHeight, IN LPCTSTR lpSavepath)
|
|
|
+{
|
|
|
+ // 计算出位图大小 = ((宽 * 位宽 + 31)/ 32)* 4 * 高;
|
|
|
+ DWORD dwBmpSize = ((nWidth*nBitdepth + 31) / 32) * 4 * nHeight;
|
|
|
+
|
|
|
+ HANDLE hFile = CreateFile(lpSavepath, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
|
+ if (hFile == INVALID_HANDLE_VALUE)
|
|
|
+ {
|
|
|
+ //WriteLog(_T("二维码位图创建失败"));
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+ HANDLE hFileMapping = CreateFileMapping(hFile, NULL, PAGE_READWRITE | SEC_COMMIT, 0,
|
|
|
+ sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2 + dwBmpSize, NULL);
|
|
|
+ LPBYTE lpbyMapView = (LPBYTE)MapViewOfFile(hFileMapping, FILE_MAP_WRITE, 0, 0, 0);
|
|
|
+
|
|
|
+ ZeroMemory(lpbyMapView, sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2 + dwBmpSize);
|
|
|
+
|
|
|
+ //结构体地址割付;
|
|
|
+
|
|
|
+ LPBITMAPFILEHEADER pbfh = (LPBITMAPFILEHEADER)lpbyMapView;
|
|
|
+ LPBITMAPINFO pbmi = (LPBITMAPINFO)(lpbyMapView + sizeof(BITMAPFILEHEADER));
|
|
|
+ LPVOID pbdt = lpbyMapView + sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2;
|
|
|
+
|
|
|
+ // BITMAPFILEHEADER
|
|
|
+ //pbfh->bfType = (WORD) (('M' << 8) | 'B'); // "BM"
|
|
|
+ // BMP类型,与上面同值;
|
|
|
+ pbfh->bfType = 0x4D42;
|
|
|
+ pbfh->bfSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2 + dwBmpSize; // 文件总长;
|
|
|
+ pbfh->bfReserved1 = 0;
|
|
|
+ pbfh->bfReserved2 = 0;
|
|
|
+ pbfh->bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2; // 位图数据相对于文件头的偏移量;
|
|
|
+
|
|
|
+ // LPBITMAPINFO->BITMAPINFOHEADER
|
|
|
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
|
|
|
+ pbmi->bmiHeader.biWidth = nWidth;
|
|
|
+ pbmi->bmiHeader.biHeight = nHeight;
|
|
|
+ pbmi->bmiHeader.biPlanes = 1;
|
|
|
+ pbmi->bmiHeader.biBitCount = nBitdepth; // 位深度 1;
|
|
|
+ pbmi->bmiHeader.biCompression = BI_RGB;
|
|
|
+ pbmi->bmiHeader.biSizeImage = dwBmpSize;
|
|
|
+ pbmi->bmiHeader.biXPelsPerMeter = 3780;
|
|
|
+ pbmi->bmiHeader.biYPelsPerMeter = 3780;
|
|
|
+ pbmi->bmiHeader.biClrUsed = 0;
|
|
|
+ pbmi->bmiHeader.biClrImportant = 0;
|
|
|
+
|
|
|
+ // 放大到指定的像素宽高;
|
|
|
+ CDC* pWorkDC = new CDC;
|
|
|
+ pWorkDC->CreateCompatibleDC(NULL);
|
|
|
+
|
|
|
+ CBitmap* pWorkBitmap = new CBitmap;
|
|
|
+ pWorkBitmap->CreateBitmap(nWidth, nHeight, 1, 1, NULL);
|
|
|
+
|
|
|
+ CBitmap* pOldBitmap = pWorkDC->SelectObject(pWorkBitmap);
|
|
|
+ pWorkDC->StretchBlt(0, 0, nWidth, nHeight, pDC, 0, 0, nWidth, nHeight, SRCCOPY);
|
|
|
+
|
|
|
+ GetDIBits(pWorkDC->m_hDC, (HBITMAP)*pWorkBitmap, 0, nHeight, pbdt, pbmi, DIB_RGB_COLORS);
|
|
|
+
|
|
|
+ pWorkDC->SelectObject(pOldBitmap);
|
|
|
+ delete pWorkBitmap;
|
|
|
+ delete pWorkDC;
|
|
|
+
|
|
|
+ UnmapViewOfFile(lpbyMapView);
|
|
|
+ CloseHandle(hFileMapping);
|
|
|
+ CloseHandle(hFile);
|
|
|
+
|
|
|
+ return TRUE;
|
|
|
+}
|
|
|
+
|
|
|
+BOOL IMGCommon::SaveBitmap2(IN CDC *pDC, IN CBitmap* pBitmap, IN CONST INT& nBitdepth, IN const INT& nWidth, IN const INT& nHeight, IN LPCTSTR lpSavepath)
|
|
|
+{
|
|
|
+ DWORD dwPaletteSize = 0; //调色板大小;
|
|
|
+ DWORD dwbmdibitSize = 0;
|
|
|
+ WORD wbitsCount = 0; //位图中每个像素所占字节数;
|
|
|
+ if( nBitdepth <= 1 )
|
|
|
+ wbitsCount = 1;
|
|
|
+ if( nBitdepth <= 4 )
|
|
|
+ wbitsCount = 4;
|
|
|
+ if( nBitdepth <= 8 )
|
|
|
+ wbitsCount = 8;
|
|
|
+ if( nBitdepth <= 16 )
|
|
|
+ wbitsCount = 16;
|
|
|
+ if( nBitdepth <= 24 )
|
|
|
+ wbitsCount = 24;
|
|
|
+ else
|
|
|
+ wbitsCount = 32;
|
|
|
+
|
|
|
+ if( wbitsCount <= 8 )
|
|
|
+ dwPaletteSize = (1 << wbitsCount) * sizeof(RGBQUAD);
|
|
|
+
|
|
|
+ // 计算出位图大小 = ((宽 * 位宽 + 31)/ 32)* 4 * 高;
|
|
|
+ DWORD dwBmpSize = ((nWidth*wbitsCount + 31) / 8) * nHeight;
|
|
|
+
|
|
|
+ HANDLE hFile = CreateFile(lpSavepath, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
|
+ if (hFile == INVALID_HANDLE_VALUE)
|
|
|
+ {
|
|
|
+ //WriteLog(_T("二维码位图创建失败"));
|
|
|
+ return FALSE;
|
|
|
+ }
|
|
|
+
|
|
|
+ HANDLE hFileMapping = CreateFileMapping(hFile, NULL, PAGE_READWRITE | SEC_COMMIT, 0,
|
|
|
+ //sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2 + dwBmpSize, NULL);
|
|
|
+ sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize + dwBmpSize, NULL);
|
|
|
+ LPBYTE lpbyMapView = (LPBYTE)MapViewOfFile(hFileMapping, FILE_MAP_WRITE, 0, 0, 0);
|
|
|
+
|
|
|
+ //ZeroMemory(lpbyMapView, sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2 + dwBmpSize);
|
|
|
+ ZeroMemory(lpbyMapView, sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize + dwBmpSize);
|
|
|
+
|
|
|
+ //结构体地址割付;
|
|
|
+
|
|
|
+ LPBITMAPFILEHEADER pbfh = (LPBITMAPFILEHEADER)lpbyMapView;
|
|
|
+ LPBITMAPINFO pbmi = (LPBITMAPINFO)(lpbyMapView + sizeof(BITMAPFILEHEADER));
|
|
|
+ LPVOID pbdt = lpbyMapView + sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize + dwBmpSize;
|
|
|
+
|
|
|
+ // BITMAPFILEHEADER
|
|
|
+ //pbfh->bfType = (WORD) (('M' << 8) | 'B'); // "BM"
|
|
|
+ // BMP类型,与上面同值;
|
|
|
+ pbfh->bfType = 0x4D42;
|
|
|
+ pbfh->bfSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize + dwBmpSize; // 文件总长;
|
|
|
+ pbfh->bfReserved1 = 0;
|
|
|
+ pbfh->bfReserved2 = 0;
|
|
|
+ pbfh->bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize; // 位图数据相对于文件头的偏移量;
|
|
|
+
|
|
|
+ // LPBITMAPINFO->BITMAPINFOHEADER
|
|
|
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
|
|
|
+ pbmi->bmiHeader.biWidth = nWidth;
|
|
|
+ pbmi->bmiHeader.biHeight = nHeight;
|
|
|
+ pbmi->bmiHeader.biPlanes = 1;
|
|
|
+ pbmi->bmiHeader.biBitCount = wbitsCount; // 位深度 1;
|
|
|
+ pbmi->bmiHeader.biCompression = BI_RGB;
|
|
|
+ pbmi->bmiHeader.biSizeImage = dwBmpSize;
|
|
|
+ pbmi->bmiHeader.biXPelsPerMeter = 3780;
|
|
|
+ pbmi->bmiHeader.biYPelsPerMeter = 3780;
|
|
|
+ pbmi->bmiHeader.biClrUsed = 0;
|
|
|
+ pbmi->bmiHeader.biClrImportant = 0;
|
|
|
+
|
|
|
+ // 放大到指定的像素宽高;
|
|
|
+ CDC* pWorkDC = new CDC;
|
|
|
+ pWorkDC->CreateCompatibleDC(NULL);
|
|
|
+
|
|
|
+ CBitmap* pWorkBitmap = new CBitmap;
|
|
|
+ pWorkBitmap->CreateBitmap(nWidth, nHeight, 1, 1, NULL);
|
|
|
+
|
|
|
+ CBitmap* pOldBitmap = pWorkDC->SelectObject(pWorkBitmap);
|
|
|
+ pWorkDC->StretchBlt(0, 0, nWidth, nHeight, pDC, 0, 0, nWidth, nHeight, SRCCOPY);
|
|
|
+
|
|
|
+ GetDIBits(pWorkDC->m_hDC, (HBITMAP)*pWorkBitmap, 0, nHeight, pbdt, pbmi, DIB_RGB_COLORS);
|
|
|
+
|
|
|
+ pWorkDC->SelectObject(pOldBitmap);
|
|
|
+ delete pWorkBitmap;
|
|
|
+ delete pWorkDC;
|
|
|
+
|
|
|
+ UnmapViewOfFile(lpbyMapView);
|
|
|
+ CloseHandle(hFileMapping);
|
|
|
+ CloseHandle(hFile);
|
|
|
+
|
|
|
+ return TRUE;
|
|
|
+}
|
|
|
+
|
|
|
+void IMGCommon::DrawString(IN CDC* pdc, IN CONST INT& nFontSize, IN LPCTSTR lpFontName, IN LPCTSTR lpString, IN OUT CRect &rcString)
|
|
|
+{
|
|
|
+ if ( !pdc || !lpString )
|
|
|
+ return;
|
|
|
+
|
|
|
+ LOGFONT log;
|
|
|
+ // 设置字体字号;
|
|
|
+ log.lfHeight = -MulDiv(nFontSize ? nFontSize : 9, GetDeviceCaps(pdc->GetSafeHdc(), LOGPIXELSY), 72);
|
|
|
+ log.lfWidth = 0;
|
|
|
+ log.lfEscapement = 0;
|
|
|
+ log.lfOrientation = 0;
|
|
|
+ log.lfWeight = FW_REGULAR;
|
|
|
+ log.lfItalic = false;
|
|
|
+ log.lfUnderline = false;
|
|
|
+ log.lfStrikeOut = 0;
|
|
|
+ log.lfCharSet = ANSI_CHARSET;
|
|
|
+ log.lfOutPrecision = OUT_DEFAULT_PRECIS;
|
|
|
+ log.lfClipPrecision = CLIP_DEFAULT_PRECIS;
|
|
|
+ log.lfQuality = DEFAULT_QUALITY;
|
|
|
+ log.lfPitchAndFamily = DEFAULT_PITCH || FF_ROMAN;
|
|
|
+ // 设置字体名称;
|
|
|
+ _tcscpy_s(log.lfFaceName, (lpFontName && (lpFontName[0] != _T('\0'))) ? lpFontName : _T("Arial"));
|
|
|
+
|
|
|
+ CFont cf;
|
|
|
+ cf.CreateFontIndirect(&log);
|
|
|
+ CFont *oldf = pdc->SelectObject(&cf);
|
|
|
+
|
|
|
+ SIZE Size;
|
|
|
+ GetTextExtentPoint32(pdc->GetSafeHdc(), lpString, _tcslen(lpString), &Size);
|
|
|
+ rcString.SetRect(rcString.left, rcString.top, Size.cx + rcString.left, Size.cy + rcString.top);
|
|
|
+ pdc->TextOut(rcString.left, rcString.top, lpString);
|
|
|
+}
|