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	As there are no callers, this shouldn't change anything! Differential Revision: https://phabricator.services.mozilla.com/D159611
		
			
				
	
	
		
			82 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* -*- Mode: C++; tab-width: 20; 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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#include "gfxQuartzSurface.h"
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#include "gfxContext.h"
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#include "gfxImageSurface.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/HelpersCairo.h"
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#include "cairo-quartz.h"
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void gfxQuartzSurface::MakeInvalid() { mSize = mozilla::gfx::IntSize(-1, -1); }
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gfxQuartzSurface::gfxQuartzSurface(const mozilla::gfx::IntSize& desiredSize,
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                                   gfxImageFormat format)
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    : mCGContext(nullptr), mSize(desiredSize) {
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  if (!mozilla::gfx::Factory::CheckSurfaceSize(desiredSize)) MakeInvalid();
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  unsigned int width = static_cast<unsigned int>(mSize.width);
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  unsigned int height = static_cast<unsigned int>(mSize.height);
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  cairo_format_t cformat = GfxFormatToCairoFormat(format);
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  cairo_surface_t* surf = cairo_quartz_surface_create(cformat, width, height);
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  mCGContext = cairo_quartz_surface_get_cg_context(surf);
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  CGContextRetain(mCGContext);
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  Init(surf);
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  if (mSurfaceValid) {
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    RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
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  }
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}
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gfxQuartzSurface::gfxQuartzSurface(CGContextRef context,
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                                   const mozilla::gfx::IntSize& size)
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    : mCGContext(context), mSize(size) {
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  if (!mozilla::gfx::Factory::CheckSurfaceSize(size)) MakeInvalid();
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  unsigned int width = static_cast<unsigned int>(mSize.width);
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  unsigned int height = static_cast<unsigned int>(mSize.height);
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  cairo_surface_t* surf =
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      cairo_quartz_surface_create_for_cg_context(context, width, height);
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  CGContextRetain(mCGContext);
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  Init(surf);
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  if (mSurfaceValid) {
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    RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
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  }
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}
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gfxQuartzSurface::gfxQuartzSurface(cairo_surface_t* csurf,
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                                   const mozilla::gfx::IntSize& aSize)
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    : mSize(aSize) {
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  mCGContext = cairo_quartz_surface_get_cg_context(csurf);
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  CGContextRetain(mCGContext);
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  Init(csurf, true);
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}
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already_AddRefed<gfxImageSurface> gfxQuartzSurface::GetAsImageSurface() {
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  cairo_surface_t* surface = cairo_quartz_surface_get_image(mSurface);
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  if (!surface || cairo_surface_status(surface)) return nullptr;
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  RefPtr<gfxASurface> img = Wrap(surface);
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  // cairo_quartz_surface_get_image returns a referenced image, and thebes
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  // shares the refcounts of Cairo surfaces. However, Wrap also adds a
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  // reference to the image. We need to remove one of these references
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  // explicitly so we don't leak.
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  img.get()->Release();
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  img->SetOpaqueRect(GetOpaqueRect());
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  return img.forget().downcast<gfxImageSurface>();
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}
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gfxQuartzSurface::~gfxQuartzSurface() { CGContextRelease(mCGContext); }
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