windows-nt/Source/XPSP1/NT/printscan/fax/print/faxprint/faxdrv/page.c
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
page.c
Abstract:
Implementation of document and page related DDI entry points:
DrvStartDoc
DrvEndDoc
DrvStartPage
DrvSendPage
Environment:
Fax driver, kernel mode
Revision History:
01/09/96 -davidx-
Created it.
mm/dd/yy -author-
description
--*/
#include "faxdrv.h"
BOOL
DrvStartDoc(
SURFOBJ *pso,
PWSTR pDocName,
DWORD jobId
)
/*++
Routine Description:
Implementation of DDI entry point DrvStartDoc.
Please refer to DDK documentation for more details.
Arguments:
pso - Defines the surface object
pDocName - Specifies a Unicode document name
jobId - Identifies the print job
Return Value:
TRUE if successful, FALSE if there is an error
--*/
{
PDEVDATA pdev;
Verbose(("Entering DrvStartDoc...\n"));
//
// Verify input parameters
//
Assert(pso != NULL);
pdev = (PDEVDATA) pso->dhpdev;
if (! ValidDevData(pdev)) {
Error(("ValidDevData failed\n"));
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
//
// Initialize page count and other information
//
if (! (pdev->flags & PDEV_RESETPDEV)) {
pdev->pageCount = 0;
pdev->jobId = jobId;
}
return TRUE;
}
BOOL
DrvStartPage(
SURFOBJ *pso
)
/*++
Routine Description:
Implementation of DDI entry point DrvStartPage.
Please refer to DDK documentation for more details.
Arguments:
pso - Defines the surface object
Return Value:
TRUE if successful, FALSE if there is an error
--*/
{
PDEVDATA pdev;
RECTL pageRect;
Verbose(("Entering DrvStartPage...\n"));
//
// Verify input parameters
//
Assert(pso != NULL);
pdev = (PDEVDATA) pso->dhpdev;
if (! ValidDevData(pdev)) {
Error(("ValidDevData failed\n"));
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (pdev->flags & PDEV_CANCELLED)
return FALSE;
//
// Ignore nested calls to DrvStartPage
//
if (pdev->flags & PDEV_WITHINPAGE) {
Error(("Nested call to DrvStartPage\n"));
return TRUE;
}
pdev->flags |= PDEV_WITHINPAGE;
//
// Erase the page to all white
//
pageRect.left = pageRect.top = 0;
pageRect.right = pdev->imageSize.cx;
pageRect.bottom = pdev->imageSize.cy;
EngEraseSurface(pso, &pageRect, WHITE_INDEX);
pdev->pageCount++;
return TRUE;
}
BOOL
DrvSendPage(
SURFOBJ *pso
)
/*++
Routine Description:
Implementation of DDI entry point DrvSendPage.
Please refer to DDK documentation for more details.
Arguments:
pso - Defines the surface object
Return Value:
TRUE if successful, FALSE if there is an error
--*/
{
PDEVDATA pdev;
Verbose(("Entering DrvSendPage...\n"));
//
// Verify input parameters
//
Assert(pso != NULL);
pdev = (PDEVDATA) pso->dhpdev;
if (! ValidDevData(pdev)) {
Error(("ValidDevData failed\n"));
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
Assert(pdev->flags & PDEV_WITHINPAGE);
pdev->flags &= ~PDEV_WITHINPAGE;
if (pdev->flags & PDEV_CANCELLED)
return FALSE;
//
// Output code to end a page
//
Assert(pso->lDelta == pdev->lineOffset);
Assert(pso->fjBitmap & BMF_TOPDOWN);
return OutputPageBitmap(pdev, pso->pvBits);
}
BOOL
DrvEndDoc(
SURFOBJ *pso,
FLONG flags
)
/*++
Routine Description:
Implementation of DDI entry point DrvEndDoc.
Please refer to DDK documentation for more details.
Arguments:
pso - Defines the surface object
flags - A set of flag bits
Return Value:
TRUE if successful, FALSE if there is an error
--*/
{
PDEVDATA pdev;
Verbose(("Entering DrvEndDoc...\n"));
//
// Verify input parameters
//
Assert(pso != NULL);
pdev = (PDEVDATA) pso->dhpdev;
if (! ValidDevData(pdev)) {
Error(("ValidDevData failed\n"));
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if ((pdev->flags & PDEV_CANCELLED) || (flags & ED_ABORTDOC)) {
Error(("Print job was cancelled\n"));
} else if (pdev->pageCount) {
//
// Perform any necessary work at the end of a document
//
Verbose(("Number of pages printed: %d\n", pdev->pageCount));
OutputDocTrailer(pdev);
}
//
// Clean up
//
pdev->pageCount = 0;
pdev->flags = 0;
return TRUE;
}