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nsDeviceContextSpecX.mm
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nsDeviceContextSpecX.mm
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsDeviceContextSpecX.h"
#include "nsObjCExceptions.h"
#include "prmem.h"
#include "plstr.h"
#include "nsCRT.h"
#include <unistd.h>
#include "nsIServiceManager.h"
#include "nsIPrintOptions.h"
#include "nsPrintSettingsX.h"
#include "gfxQuartzSurface.h"
#include "gfxImageSurface.h"
nsDeviceContextSpecX::nsDeviceContextSpecX()
: mPrintSession(NULL)
, mPageFormat(kPMNoPageFormat)
, mPrintSettings(kPMNoPrintSettings)
{
}
nsDeviceContextSpecX::~nsDeviceContextSpecX()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mPrintSession)
::PMRelease(mPrintSession);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
NS_IMPL_ISUPPORTS1(nsDeviceContextSpecX, nsIDeviceContextSpec)
NS_IMETHODIMP nsDeviceContextSpecX::Init(nsIWidget *aWidget,
nsIPrintSettings* aPS,
bool aIsPrintPreview)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsCOMPtr<nsPrintSettingsX> settings(do_QueryInterface(aPS));
if (!settings)
return NS_ERROR_NO_INTERFACE;
mPrintSession = settings->GetPMPrintSession();
::PMRetain(mPrintSession);
mPageFormat = settings->GetPMPageFormat();
mPrintSettings = settings->GetPMPrintSettings();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsDeviceContextSpecX::BeginDocument(PRUnichar* aTitle,
PRUnichar* aPrintToFileName,
int32_t aStartPage,
int32_t aEndPage)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (aTitle) {
CFStringRef cfString = ::CFStringCreateWithCharacters(NULL, aTitle, NS_strlen(aTitle));
if (cfString) {
::PMPrintSettingsSetJobName(mPrintSettings, cfString);
::CFRelease(cfString);
}
}
OSStatus status;
status = ::PMSetFirstPage(mPrintSettings, aStartPage, false);
NS_ASSERTION(status == noErr, "PMSetFirstPage failed");
status = ::PMSetLastPage(mPrintSettings, aEndPage, false);
NS_ASSERTION(status == noErr, "PMSetLastPage failed");
status = ::PMSessionBeginCGDocumentNoDialog(mPrintSession, mPrintSettings, mPageFormat);
if (status != noErr)
return NS_ERROR_ABORT;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsDeviceContextSpecX::EndDocument()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
::PMSessionEndDocumentNoDialog(mPrintSession);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsDeviceContextSpecX::BeginPage()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
PMSessionError(mPrintSession);
OSStatus status = ::PMSessionBeginPageNoDialog(mPrintSession, mPageFormat, NULL);
if (status != noErr) return NS_ERROR_ABORT;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsDeviceContextSpecX::EndPage()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
OSStatus status = ::PMSessionEndPageNoDialog(mPrintSession);
if (status != noErr) return NS_ERROR_ABORT;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
void nsDeviceContextSpecX::GetPaperRect(double* aTop, double* aLeft, double* aBottom, double* aRight)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PMRect paperRect;
::PMGetAdjustedPaperRect(mPageFormat, &paperRect);
*aTop = paperRect.top, *aLeft = paperRect.left;
*aBottom = paperRect.bottom, *aRight = paperRect.right;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
NS_IMETHODIMP nsDeviceContextSpecX::GetSurfaceForPrinter(gfxASurface **surface)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
double top, left, bottom, right;
GetPaperRect(&top, &left, &bottom, &right);
const double width = right - left;
const double height = bottom - top;
CGContextRef context;
::PMSessionGetCGGraphicsContext(mPrintSession, &context);
nsRefPtr<gfxASurface> newSurface;
if (context) {
// Initially, origin is at bottom-left corner of the paper.
// Here, we translate it to top-left corner of the paper.
CGContextTranslateCTM(context, 0, height);
CGContextScaleCTM(context, 1.0, -1.0);
newSurface = new gfxQuartzSurface(context, gfxSize(width, height), true);
} else {
newSurface = new gfxQuartzSurface(gfxSize((int32_t)width, (int32_t)height), gfxASurface::ImageFormatARGB32, true);
}
if (!newSurface)
return NS_ERROR_FAILURE;
*surface = newSurface;
NS_ADDREF(*surface);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}