diff options
Diffstat (limited to 'print/OEM Printer Customization Plug-in Samples/C++/watermarkuni/common/devmode.cpp')
| -rw-r--r-- | print/OEM Printer Customization Plug-in Samples/C++/watermarkuni/common/devmode.cpp | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/print/OEM Printer Customization Plug-in Samples/C++/watermarkuni/common/devmode.cpp b/print/OEM Printer Customization Plug-in Samples/C++/watermarkuni/common/devmode.cpp new file mode 100644 index 00000000..328d6fb4 --- /dev/null +++ b/print/OEM Printer Customization Plug-in Samples/C++/watermarkuni/common/devmode.cpp @@ -0,0 +1,216 @@ +// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF +// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO +// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A +// PARTICULAR PURPOSE. +// +// Copyright 1998 - 2003 Microsoft Corporation. All Rights Reserved. +// +// FILE: Devmode.cpp +// +// PURPOSE: Implementation of Devmode functions shared with OEM UI and OEM rendering modules. +// + +// This file is wrapped in fdebug.cpp in other parts of the watermark sample. +// The appropriate precompiled header should be included there. +// #include "precomp.h +#include "debug.h" +#include "devmode.h" + +// indicate to prefast that this is a user-mode component. +_Analysis_mode_(_Analysis_code_type_user_driver_); + +HRESULT hrOEMDevMode(DWORD dwMode, POEMDMPARAM pOemDMParam) +{ + HRESULT hResult = S_OK; + POEMDEV pOEMDevIn = NULL; + POEMDEV pOEMDevOut = NULL; + + + // Verify parameters. + if( (NULL == pOemDMParam) + || + ( (OEMDM_SIZE != dwMode) + && + (OEMDM_DEFAULT != dwMode) + && + (OEMDM_CONVERT != dwMode) + && + (OEMDM_MERGE != dwMode) + ) + ) + { + ERR(DLLTEXT("DevMode() ERROR_INVALID_PARAMETER.\r\n")); + SetLastError(ERROR_INVALID_PARAMETER); + return E_FAIL; + } + + // Cast generic (i.e. PVOID) to OEM private devomode pointer type. + pOEMDevIn = (POEMDEV) pOemDMParam->pOEMDMIn; + pOEMDevOut = (POEMDEV) pOemDMParam->pOEMDMOut; + + switch(dwMode) + { + case OEMDM_SIZE: + pOemDMParam->cbBufSize = sizeof(OEMDEV); + break; + + case OEMDM_DEFAULT: + pOEMDevOut->dmOEMExtra.dwSize = sizeof(OEMDEV); + pOEMDevOut->dmOEMExtra.dwSignature = OEM_SIGNATURE; + pOEMDevOut->dmOEMExtra.dwVersion = OEM_VERSION; + pOEMDevOut->bWmarkEnabled = WATER_MARK_DEFAULT_ENABLED; + pOEMDevOut->dwWmarkFontSize = WATER_MARK_DEFAULT_FONTSIZE; + pOEMDevOut->crWmarkTextColor = WATER_MARK_DEFAULT_COLOR; + hResult = StringCbCopyW(pOEMDevOut->szWaterMark, sizeof(pOEMDevOut->szWaterMark), WATER_MARK_DEFAULT_TEXT); + break; + + case OEMDM_CONVERT: + ConvertOEMDevmode(pOEMDevIn, pOEMDevOut); + break; + + case OEMDM_MERGE: + ConvertOEMDevmode(pOEMDevIn, pOEMDevOut); + MakeOEMDevmodeValid(pOEMDevOut); + break; + } + + return hResult; +} + + +BOOL ConvertOEMDevmode(PCOEMDEV pOEMDevIn, POEMDEV pOEMDevOut) +{ + HRESULT hCopy = S_OK; + + + if( (NULL == pOEMDevIn) + || + (NULL == pOEMDevOut) + ) + { + ERR(DLLTEXT("ConvertOEMDevmode() invalid parameters.\r\n")); + return FALSE; + } + + // Check OEM Signature, if it doesn't match ours, + // then just assume DMIn is bad and use defaults. + if(pOEMDevIn->dmOEMExtra.dwSignature == pOEMDevOut->dmOEMExtra.dwSignature) + { + VERBOSE(DLLTEXT("Converting private OEM Devmode.\r\n")); + + // Set the devmode defaults so that anything the isn't copied over will + // be set to the default value. + pOEMDevOut->bWmarkEnabled = WATER_MARK_DEFAULT_ENABLED; + pOEMDevOut->dwWmarkFontSize = WATER_MARK_DEFAULT_FONTSIZE; + pOEMDevOut->crWmarkTextColor = WATER_MARK_DEFAULT_COLOR; + hCopy = StringCbCopyW(pOEMDevOut->szWaterMark, sizeof(pOEMDevOut->szWaterMark), WATER_MARK_DEFAULT_TEXT); + + // Copy the old structure in to the new using which ever size is the smaller. + // Devmode maybe from newer Devmode (not likely since there is only one), or + // Devmode maybe a newer Devmode, in which case it maybe larger, + // but the first part of the structure should be the same. + + // DESIGN ASSUMPTION: the private DEVMODE structure only gets added to; + // the fields that are in the DEVMODE never change only new fields get added to the end. + + memcpy(pOEMDevOut, pOEMDevIn, __min(pOEMDevOut->dmOEMExtra.dwSize, pOEMDevIn->dmOEMExtra.dwSize)); + + // Re-fill in the size and version fields to indicated + // that the DEVMODE is the current private DEVMODE version. + pOEMDevOut->dmOEMExtra.dwSize = sizeof(OEMDEV); + pOEMDevOut->dmOEMExtra.dwVersion = OEM_VERSION; + } + else + { + WARNING(DLLTEXT("Unknown DEVMODE signature, pOEMDMIn ignored.\r\n")); + + // Don't know what the input DEVMODE is, so just use defaults. + pOEMDevOut->dmOEMExtra.dwSize = sizeof(OEMDEV); + pOEMDevOut->dmOEMExtra.dwSignature = OEM_SIGNATURE; + pOEMDevOut->dmOEMExtra.dwVersion = OEM_VERSION; + pOEMDevOut->bWmarkEnabled = WATER_MARK_DEFAULT_ENABLED; + pOEMDevOut->dwWmarkFontSize = WATER_MARK_DEFAULT_FONTSIZE; + pOEMDevOut->crWmarkTextColor = WATER_MARK_DEFAULT_COLOR; + hCopy = StringCbCopyW(pOEMDevOut->szWaterMark, sizeof(pOEMDevOut->szWaterMark), WATER_MARK_DEFAULT_TEXT); + } + + return SUCCEEDED(hCopy); +} + + +BOOL MakeOEMDevmodeValid(POEMDEV pOEMDevmode) +{ + if(NULL == pOEMDevmode) + { + return FALSE; + } + + // ASSUMPTION: pOEMDevmode is large enough to contain OEMDEV structure. + + // Make sure that dmOEMExtra indicates the current OEMDEV structure. + pOEMDevmode->dmOEMExtra.dwSize = sizeof(OEMDEV); + pOEMDevmode->dmOEMExtra.dwSignature = OEM_SIGNATURE; + pOEMDevmode->dmOEMExtra.dwVersion = OEM_VERSION; + + // bEnable should be either TRUE or FALSE. + if( (TRUE != pOEMDevmode->bWmarkEnabled) + && + (FALSE != pOEMDevmode->bWmarkEnabled) + ) + { + pOEMDevmode->bWmarkEnabled = WATER_MARK_DEFAULT_ENABLED; + } + + + // dwWmarkFontSize should be 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48, or 72. + if(!IsValidFontSize(pOEMDevmode->dwWmarkFontSize)) + { + pOEMDevmode->dwWmarkFontSize = WATER_MARK_DEFAULT_FONTSIZE; + } + + // The high byte of the hi word should be zero. + if(0 != HIBYTE(HIWORD(pOEMDevmode->crWmarkTextColor))) + { + pOEMDevmode->crWmarkTextColor = WATER_MARK_DEFAULT_COLOR; + } + + // Make sure that water mark string is terminated. + pOEMDevmode->szWaterMark[WATER_MARK_TEXT_SIZE - 1] = L'\0'; + + return TRUE; +} + + +BOOL IsValidFontSize(DWORD dwWmarkFontSize) +{ + BOOL bValid = FALSE; + + + switch(dwWmarkFontSize) + { + case 8: + case 9: + case 10: + case 11: + case 12: + case 14: + case 16: + case 18: + case 20: + case 22: + case 24: + case 26: + case 28: + case 36: + case 48: + case 72: + bValid = TRUE; + break; + + default: + ERR(DLLTEXT("IsValidFontSize() found invalid font size\r\n")); + break; + } + + return bValid; +} |