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fdd98bfb6b
This also changes aPrintToFileName parameter for BeginDocument to an nsAString& from char16_t*. Having a char16_t* caused a pain with VS2105 where wchar_t != char16_t (as on VS2103), after it had been sent over IPDL. This could have been worked around with casting, but this seemed like the tidier solution.
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIDeviceContextSpec_h___
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#define nsIDeviceContextSpec_h___
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#include "nsISupports.h"
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class nsIWidget;
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class nsIPrintSettings;
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class gfxASurface;
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namespace mozilla {
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namespace gfx{
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class DrawEventRecorder;
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}
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}
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#define NS_IDEVICE_CONTEXT_SPEC_IID \
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{ 0xf407cfba, 0xbe28, 0x46c9, \
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{ 0x8a, 0xba, 0x04, 0x2d, 0xae, 0xbb, 0x4f, 0x23 } }
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class nsIDeviceContextSpec : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDEVICE_CONTEXT_SPEC_IID)
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/**
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* Initialize the device context spec.
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* @param aWidget A widget a dialog can be hosted in
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* @param aPrintSettings Print settings for the print operation
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* @param aIsPrintPreview True if creating Spec for PrintPreview
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* @return NS_OK or a suitable error code.
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*/
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NS_IMETHOD Init(nsIWidget *aWidget,
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nsIPrintSettings* aPrintSettings,
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bool aIsPrintPreview) = 0;
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NS_IMETHOD GetSurfaceForPrinter(gfxASurface **nativeSurface) = 0;
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/**
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* If required override to return a recorder to record the print.
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*
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* @param aDrawEventRecorder out param for the recorder to use
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* @return NS_OK or a suitable error code
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*/
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NS_IMETHOD GetDrawEventRecorder(mozilla::gfx::DrawEventRecorder** aDrawEventRecorder)
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{
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MOZ_ASSERT(aDrawEventRecorder);
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*aDrawEventRecorder = nullptr;
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return NS_OK;
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}
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/**
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* Override to return something other than the default.
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*
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* @return DPI for printing.
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*/
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virtual float GetDPI() { return 72.0f; }
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/**
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* Override to return something other than the default.
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*
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* @return the printing scale to be applied to the context for printing.
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*/
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virtual float GetPrintingScale() { return 1.0f; }
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NS_IMETHOD BeginDocument(const nsAString& aTitle,
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const nsAString& aPrintToFileName,
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int32_t aStartPage,
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int32_t aEndPage) = 0;
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NS_IMETHOD EndDocument() = 0;
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NS_IMETHOD AbortDocument() { return EndDocument(); }
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NS_IMETHOD BeginPage() = 0;
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NS_IMETHOD EndPage() = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIDeviceContextSpec,
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NS_IDEVICE_CONTEXT_SPEC_IID)
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#endif
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