624 lines
14 KiB
C++
624 lines
14 KiB
C++
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/******************************************************************************
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acquire.cpp
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Copyright (C) Microsoft Corporation, 1997 - 1998
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All rights reserved
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Notes:
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THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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PURPOSE.
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******************************************************************************/
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#include <scanner.h> // SCL commands
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//
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// Hewlett-Packard ScanJet command strings
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//
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CHAR SCLReset[] = "E";
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CHAR SetXRes[] = "*a%dR";
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CHAR SetYRes[] = "*a%dS";
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CHAR SetXExtPix[] = "*f%dP";
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CHAR SetYExtPix[] = "*f%dQ";
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CHAR InqXRes[] = "*s10323R";
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CHAR SetBitsPerPixel[] = "*a%dG";
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CHAR SetIntensity[] = "*a%dL";
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CHAR SetContrast[] = "*a%dK";
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CHAR SetNegative[] = "*a%dI";
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CHAR SetMirror[] = "*a%dM";
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CHAR SetDataType[] = "*a%dT";
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CHAR ScanCmd[] = "*f0S";
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CHAR LampOn[] = "*f1L";
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CHAR LampOff[] = "*f0L";
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CHAR PollButton[] = "*s1044E";
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LPBITMAPINFO pDIB = NULL; // pointer to DIB bitmap header
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HBITMAP hDIBSection = NULL; // handle to DIB
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LPBYTE pDIBBits = NULL; // pointer to DIB bit data
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int m_XSize = 800, // horizontal size in pixels
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m_YSize = 800; // vertical size in pixels
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BYTE bRed = 0, // bitmap colors
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bGreen = 100,
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bBlue = 50;
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/*****************************************************************************
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int IsScanDevice(PSTI_DEVICE_INFORMATION pStiDevI)
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Determine whether we have Acquire commands for device
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Parameters:
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Pointer to Device Information structure
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Return:
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1 if Acquire commands available, 0 otherwise
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*****************************************************************************/
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int IsScanDevice(PSTI_DEVICE_INFORMATION pStiDevI)
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{
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int n;
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WCHAR szScanReadyMfr[] = L"Hewlett-Packard";
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WCHAR szScanReadyDev[][48] = {
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L"Hewlett-Packard ScanJet 5p",
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L"Hewlett-Packard ScanJet 6100c or 4c/3c",
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L"Hewlett-Packard ScanJet 4p",
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L"Hewlett-Packard ScanJet 3p",
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L"Hewlett-Packard ScanJet IIcx",
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L"Hewlett-Packard ScanJet IIp",
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L"Hewlett-Packard ScanJet IIc",
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L""
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};
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//
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// look for non-camera from Hewlett-Packard
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//
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if ((GET_STIDEVICE_TYPE(pStiDevI->DeviceType) == 1) &&
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(wcscmp(pStiDevI->pszVendorDescription,szScanReadyMfr) == 0)) {
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for (n = 0;*szScanReadyDev[n];n++) {
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//
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// is it an HP SCL compatible device?
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//
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if (wcscmp(pStiDevI->pszLocalName,szScanReadyDev[n]) == 0)
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return (1);
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}
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}
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return (0);
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}
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/******************************************************************************
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HRESULT
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WINAPI
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SendDeviceCommandString(
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PSTIDEVICE pStiDevice,
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LPSTR pszFormat,
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...
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)
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Send formatted SCL string to the device
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Parameters:
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StiDevice buffer and the command string
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Return:
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HRESULT of last failed Sti call
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******************************************************************************/
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HRESULT
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WINAPI
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SendDeviceCommandString(
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PSTIDEVICE pStiDevice,
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LPSTR pszFormat,
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...
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)
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{
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HRESULT hres = STI_OK,
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hError = STI_OK;
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CHAR ScanCommand[255];
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UINT cbChar = 1;
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//
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// lock device first
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//
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hres = pStiDevice->LockDevice(2000);
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if (! SUCCEEDED(hres)) {
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StiDisplayError(hres,"LockDevice",TRUE);
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hError = hres;
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}
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else {
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//
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// Format command string
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//
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ZeroMemory(ScanCommand,sizeof(ScanCommand));
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ScanCommand[0]='\033';
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va_list ap;
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va_start(ap, pszFormat);
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cbChar += wvsprintfA(ScanCommand+1, pszFormat, ap);
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va_end(ap);
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DisplayOutput("->RawWriteData sending \"%2x %s\"",
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ScanCommand[0],ScanCommand+1);
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//
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// Send command string to the device
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//
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hres = pStiDevice->RawWriteData(
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ScanCommand, //
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cbChar, //
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NULL //
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);
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if (! SUCCEEDED(hres)) {
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StiDisplayError(hres,"RawWriteData",TRUE);
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hError = hres;
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}
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}
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//
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// unlock device
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//
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hres = pStiDevice->UnLockDevice();
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if (! SUCCEEDED(hres)) {
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StiDisplayError(hres,"UnLockDevice",TRUE);
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hError = hres;
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}
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return (hError);
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}
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/******************************************************************************
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HRESULT
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WINAPI
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TransactDevice(
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PSTIDEVICE pStiDevice,
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LPSTR lpResultBuffer,
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UINT cbResultBufferSize,
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LPSTR pszFormat,
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...
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)
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Send formatted SCL string to the device and return data in a buffer.
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Parameters:
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StiDevice buffer, data buffer, sizeof databuffer and the command string.
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Return:
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HRESULT of last failed Sti call
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******************************************************************************/
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HRESULT
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WINAPI
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TransactDevice(
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PSTIDEVICE pStiDevice,
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LPSTR lpResultBuffer,
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UINT cbResultBufferSize,
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LPSTR pszFormat,
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...
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)
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{
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HRESULT hres = STI_OK,
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hError = STI_OK;
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CHAR ScanCommand[255];
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UINT cbChar = 1;
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ULONG cbActual = 0;
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//
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// lock device first
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//
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hres = pStiDevice->LockDevice(2000);
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if (! SUCCEEDED(hres)) {
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StiDisplayError(hres,"LockDevice",TRUE);
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hError = hres;
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}
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else {
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//
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// Format command string
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//
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ZeroMemory(ScanCommand,sizeof(ScanCommand));
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ScanCommand[0]='\033';
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va_list ap;
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va_start(ap, pszFormat);
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cbChar += wvsprintfA(ScanCommand+1, pszFormat, ap);
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va_end(ap);
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DisplayOutput("->Escape sending \"%2x %s\"",
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ScanCommand[0],ScanCommand+1);
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//
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// Send command string to the device
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//
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hres = pStiDevice->Escape(
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StiTransact, // EscapeFunction
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ScanCommand, // lpInData
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cbChar, // cbInDataSize
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lpResultBuffer, // pOutData
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cbResultBufferSize, // dwOutDataSize
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&cbActual); // pdwActualData
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if (! SUCCEEDED(hres)) {
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StiDisplayError(hres,"Escape",TRUE);
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hError = hres;
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}
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if (cbActual != 0)
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DisplayOutput(" cbActual %xh",cbActual);
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}
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//
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// unlock device
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//
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hres = pStiDevice->UnLockDevice();
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if (! SUCCEEDED(hres)) {
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StiDisplayError(hres,"UnLockDevice",TRUE);
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hError = hres;
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}
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return (hError);
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}
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/*****************************************************************************
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void StiLamp(int nOnOff)
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Turn the scanner lamp on and off
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Parameters:
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Send "ON" to turn lamp on, "OFF" to turn it off.
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Return:
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none
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*****************************************************************************/
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void StiLamp(int nOnOff)
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{
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HRESULT hres;
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//
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// check that an Sti device is selected
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//
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if (pStiDevice == NULL)
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return;
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//
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// Test lamp on/off capability
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//
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if (nOnOff == ON) {
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strcpy(pszStr1,LampOn);
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strcpy(pszStr2,"On");
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}
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else {
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strcpy(pszStr1,LampOff);
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strcpy(pszStr2,"Off");
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}
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hres = SendDeviceCommandString(pStiDevice,pszStr1);
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if (SUCCEEDED(hres)) {
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DisplayOutput("Turned Lamp %s",pszStr2);
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}
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return;
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}
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/*****************************************************************************
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INT StiScan(HWND hWnd)
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Scan and display an image from device.
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Parameters:
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Handle to the window to display image in.
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Return:
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0 on success, -1 on error
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*****************************************************************************/
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INT StiScan(HWND hWnd)
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{
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HRESULT hres;
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ULONG cbDataSize,
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ulDIBSize,
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ulScanSize;
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RGBTRIPLE *pTriplet;
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LPBYTE pDIBPtr;
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UINT i,
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iPixel,
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xRes = 0;
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int m_XResolution = 100,
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m_YResolution = 100;
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CHAR ScanData[1024*16];
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//
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// ensure there is an active still imaging device open
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//
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if (pStiDevice == NULL)
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return (-1);
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//
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// Set basic parameters
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//
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hres = SendDeviceCommandString(pStiDevice,SetBitsPerPixel,24);
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetIntensity,0);
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetContrast,0);
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetNegative,1);
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetMirror,0);
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetDataType,5); // Color
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetXRes,m_XResolution);
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetYRes,m_YResolution);
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetXExtPix,(m_XSize*300/m_XResolution));
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if (! SUCCEEDED(hres))
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return (-1);
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hres = SendDeviceCommandString(pStiDevice,SetYExtPix,(m_YSize*300/m_YResolution));
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if (! SUCCEEDED(hres))
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return (-1);
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//
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// Inquire commands ( X and Y resolution)
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//
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cbDataSize = sizeof(ScanData);
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ZeroMemory(ScanData,sizeof(ScanData));
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/*
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hres = TransactDevice(pStiDevice,ScanData,cbDataSize,InqXRes);
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if (! SUCCEEDED(hres))
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return (-1);
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*/
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//
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// calculate the size of the DIB
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//
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ulDIBSize = pDIB->bmiHeader.biWidth * (-pDIB->bmiHeader.biHeight);
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//
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// start the scan
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//
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hres = SendDeviceCommandString(pStiDevice,ScanCmd);
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for (i = 0,pDIBPtr = pDIBBits,cbDataSize = sizeof(ScanData);
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cbDataSize == sizeof(ScanData);i++) {
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//
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// lock device first
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//
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hres = pStiDevice->LockDevice(2000);
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|
||
|
|
if (! SUCCEEDED(hres)) {
|
||
|
|
StiDisplayError(hres,"LockDevice",TRUE);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
hres = pStiDevice->RawReadData(ScanData,&cbDataSize,NULL);
|
||
|
|
|
||
|
|
if (! SUCCEEDED(hres)) {
|
||
|
|
StiDisplayError(hres,"RawReadData",TRUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// unlock device
|
||
|
|
//
|
||
|
|
hres = pStiDevice->UnLockDevice();
|
||
|
|
|
||
|
|
if (! SUCCEEDED(hres)) {
|
||
|
|
StiDisplayError(hres,"UnLockDevice",TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((cbDataSize * i) < ulDIBSize) {
|
||
|
|
//
|
||
|
|
// copy this scanline into the DIB until it is full
|
||
|
|
//
|
||
|
|
memcpy(pDIBPtr,ScanData,cbDataSize);
|
||
|
|
pDIBPtr += cbDataSize;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// how large was the scan?
|
||
|
|
//
|
||
|
|
ulScanSize = (sizeof(ScanData))*i+cbDataSize;
|
||
|
|
|
||
|
|
DisplayOutput("Scan done. Total passes %d, bytes %lu.",
|
||
|
|
i,ulScanSize);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Triplets coming in from scanner are inverted from DIB format
|
||
|
|
//
|
||
|
|
for (iPixel = 0,pTriplet = (RGBTRIPLE *) pDIBBits;
|
||
|
|
iPixel < ulDIBSize/3;iPixel++,pTriplet++) {
|
||
|
|
BYTE bTemp;
|
||
|
|
|
||
|
|
bTemp = pTriplet->rgbtBlue;
|
||
|
|
pTriplet->rgbtBlue = pTriplet->rgbtRed;
|
||
|
|
pTriplet->rgbtRed = bTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// display the DIB
|
||
|
|
//
|
||
|
|
DisplayScanDIB(hWnd);
|
||
|
|
nScanCount++;
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*****************************************************************************
|
||
|
|
INT CreateScanDIB(HWND);
|
||
|
|
Create a DIB to display scanned image..
|
||
|
|
|
||
|
|
Parameters:
|
||
|
|
Handle to the window to display image in.
|
||
|
|
|
||
|
|
Return:
|
||
|
|
0 on success, -1 on error
|
||
|
|
|
||
|
|
*****************************************************************************/
|
||
|
|
INT CreateScanDIB(HWND hWnd)
|
||
|
|
{
|
||
|
|
HDC hScreenDC;
|
||
|
|
RGBTRIPLE *pTriplet;
|
||
|
|
LPBITMAPINFOHEADER pHdr;
|
||
|
|
int x,
|
||
|
|
y;
|
||
|
|
|
||
|
|
|
||
|
|
GdiFlush();
|
||
|
|
|
||
|
|
// delete the DIB object if it exists
|
||
|
|
if (hDIBSection)
|
||
|
|
DeleteObject(hDIBSection);
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
hWindow = CreateWindow((LPSTR) pszB,
|
||
|
|
(LPSTR) pszA,
|
||
|
|
WS_OVERLAPPEDWINDOW,
|
||
|
|
rect.left,
|
||
|
|
rect.top,
|
||
|
|
rect.right,
|
||
|
|
rect.bottom,
|
||
|
|
(HWND) NULL,
|
||
|
|
0,
|
||
|
|
hInst,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
//
|
||
|
|
// initialize the DIB
|
||
|
|
//
|
||
|
|
pDIB = (LPBITMAPINFO) GlobalAlloc(GPTR,sizeof(BITMAPINFO));
|
||
|
|
|
||
|
|
pHdr = &pDIB->bmiHeader;
|
||
|
|
|
||
|
|
pHdr->biSize = sizeof(BITMAPINFOHEADER);
|
||
|
|
pHdr->biWidth = m_XSize;
|
||
|
|
pHdr->biHeight = -m_YSize; // indicate top-down dib
|
||
|
|
pHdr->biPlanes = 1;
|
||
|
|
pHdr->biBitCount = 24;
|
||
|
|
pHdr->biCompression = BI_RGB;
|
||
|
|
pHdr->biSizeImage = 0;
|
||
|
|
pHdr->biXPelsPerMeter = 0;
|
||
|
|
pHdr->biYPelsPerMeter = 0;
|
||
|
|
pHdr->biClrUsed = 0;
|
||
|
|
pHdr->biClrImportant = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// create the DIB
|
||
|
|
//
|
||
|
|
hScreenDC = GetDC(hWnd);
|
||
|
|
if (NULL == (hDIBSection = CreateDIBSection(hScreenDC,
|
||
|
|
(PBITMAPINFO) pDIB,
|
||
|
|
DIB_RGB_COLORS,
|
||
|
|
(void **) &pDIBBits,
|
||
|
|
NULL,
|
||
|
|
0)))
|
||
|
|
{
|
||
|
|
LastError(TRUE);
|
||
|
|
DisplayOutput("*failed to create DIB");
|
||
|
|
ReleaseDC(hWnd,hScreenDC);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
ReleaseDC(hWnd,hScreenDC);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Fill the DIB with colors
|
||
|
|
//
|
||
|
|
pTriplet = (RGBTRIPLE *) pDIBBits;
|
||
|
|
|
||
|
|
for (x = 0;x < m_XSize;x++) {
|
||
|
|
for (y = 0;y < m_YSize;y++,pTriplet++) {
|
||
|
|
pTriplet->rgbtRed = bRed;
|
||
|
|
pTriplet->rgbtGreen = bGreen;
|
||
|
|
pTriplet->rgbtBlue = bBlue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*****************************************************************************
|
||
|
|
INT DeleteScanDIB();
|
||
|
|
Delete the DIB used to display a scanned image..
|
||
|
|
|
||
|
|
Parameters:
|
||
|
|
|
||
|
|
Return:
|
||
|
|
0 on success, -1 on error
|
||
|
|
|
||
|
|
*****************************************************************************/
|
||
|
|
INT DeleteScanDIB()
|
||
|
|
{
|
||
|
|
GdiFlush();
|
||
|
|
DeleteObject(hDIBSection);
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*****************************************************************************
|
||
|
|
INT DisplayScanDIB(HWND);
|
||
|
|
Show the DIB.
|
||
|
|
|
||
|
|
Parameters:
|
||
|
|
Handle to the window to display image in.
|
||
|
|
|
||
|
|
Return:
|
||
|
|
0 on success, -1 on error
|
||
|
|
|
||
|
|
*****************************************************************************/
|
||
|
|
INT DisplayScanDIB(HWND hWnd)
|
||
|
|
{
|
||
|
|
HDC hScreenDC;
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// display the DIB
|
||
|
|
//
|
||
|
|
hScreenDC = GetDC(hWnd);
|
||
|
|
SetDIBitsToDevice(hScreenDC,
|
||
|
|
0,0,
|
||
|
|
m_XSize,m_YSize,
|
||
|
|
0,0,
|
||
|
|
0,m_YSize,
|
||
|
|
pDIBBits,
|
||
|
|
(LPBITMAPINFO) pDIB,
|
||
|
|
DIB_RGB_COLORS);
|
||
|
|
ReleaseDC(hWnd,hScreenDC);
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|