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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 "PrintTargetCG.h"
#include "cairo.h"
#include "cairo-quartz.h"
#include "mozilla/gfx/HelpersCairo.h"
#include "nsObjCExceptions.h"
#include "nsString.h"
namespace mozilla {
namespace gfx {
PrintTargetCG::PrintTargetCG(PMPrintSession aPrintSession, PMPageFormat aPageFormat,
PMPrintSettings aPrintSettings, const IntSize& aSize)
: PrintTarget(/* aCairoSurface */ nullptr, aSize),
mPrintSession(aPrintSession),
mPageFormat(aPageFormat),
mPrintSettings(aPrintSettings) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
MOZ_ASSERT(mPrintSession && mPageFormat && mPrintSettings);
::PMRetain(mPrintSession);
::PMRetain(mPageFormat);
::PMRetain(mPrintSettings);
// TODO: Add memory reporting like gfxQuartzSurface.
// RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
PrintTargetCG::~PrintTargetCG() {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
::PMRelease(mPrintSession);
::PMRelease(mPageFormat);
::PMRelease(mPrintSettings);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
/* static */ already_AddRefed<PrintTargetCG> PrintTargetCG::CreateOrNull(
PMPrintSession aPrintSession, PMPageFormat aPageFormat, PMPrintSettings aPrintSettings,
const IntSize& aSize) {
if (!Factory::CheckSurfaceSize(aSize)) {
return nullptr;
}
RefPtr<PrintTargetCG> target =
new PrintTargetCG(aPrintSession, aPageFormat, aPrintSettings, aSize);
return target.forget();
}
static size_t PutBytesNull(void* info, const void* buffer, size_t count) { return count; }
already_AddRefed<DrawTarget> PrintTargetCG::GetReferenceDrawTarget() {
if (!mRefDT) {
const IntSize size(1, 1);
CGDataConsumerCallbacks callbacks = {PutBytesNull, nullptr};
CGDataConsumerRef consumer = CGDataConsumerCreate(nullptr, &callbacks);
CGContextRef pdfContext = CGPDFContextCreate(consumer, nullptr, nullptr);
CGDataConsumerRelease(consumer);
cairo_surface_t* similar =
cairo_quartz_surface_create_for_cg_context(pdfContext, size.width, size.height);
CGContextRelease(pdfContext);
if (cairo_surface_status(similar)) {
return nullptr;
}
RefPtr<DrawTarget> dt = Factory::CreateDrawTargetForCairoSurface(similar, size);
// The DT addrefs the surface, so we need drop our own reference to it:
cairo_surface_destroy(similar);
if (!dt || !dt->IsValid()) {
return nullptr;
}
mRefDT = dt.forget();
}
return do_AddRef(mRefDT);
}
nsresult PrintTargetCG::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName,
int32_t aStartPage, int32_t aEndPage) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
// Print Core of Application Service sent print job with names exceeding
// 255 bytes. This is a workaround until fix it.
nsAutoString adjustedTitle;
PrintTarget::AdjustPrintJobNameForIPP(aTitle, adjustedTitle);
if (!adjustedTitle.IsEmpty()) {
CFStringRef cfString = ::CFStringCreateWithCharacters(
NULL, reinterpret_cast<const UniChar*>(adjustedTitle.BeginReading()),
adjustedTitle.Length());
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);
return status == noErr ? NS_OK : NS_ERROR_ABORT;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
nsresult PrintTargetCG::EndPrinting() {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
::PMSessionEndDocumentNoDialog(mPrintSession);
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
nsresult PrintTargetCG::AbortPrinting() {
#ifdef DEBUG
mHasActivePage = false;
#endif
return EndPrinting();
}
nsresult PrintTargetCG::BeginPage() {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
PMSessionError(mPrintSession);
OSStatus status = ::PMSessionBeginPageNoDialog(mPrintSession, mPageFormat, NULL);
if (status != noErr) {
return NS_ERROR_ABORT;
}
CGContextRef context;
// This call will fail if it wasn't called between the PMSessionBeginPage/
// PMSessionEndPage calls:
::PMSessionGetCGGraphicsContext(mPrintSession, &context);
if (!context) {
return NS_ERROR_FAILURE;
}
unsigned int width = static_cast<unsigned int>(mSize.width);
unsigned int height = static_cast<unsigned int>(mSize.height);
// 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);
cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(context, width, height);
if (cairo_surface_status(surface)) {
return NS_ERROR_FAILURE;
}
mCairoSurface = surface;
return PrintTarget::BeginPage();
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
nsresult PrintTargetCG::EndPage() {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
cairo_surface_finish(mCairoSurface);
mCairoSurface = nullptr;
OSStatus status = ::PMSessionEndPageNoDialog(mPrintSession);
if (status != noErr) {
return NS_ERROR_ABORT;
}
return PrintTarget::EndPage();
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
} // namespace gfx
} // namespace mozilla