gfx/thebes/src/gfxQuartzSurface.cpp

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
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   8  * http://www.mozilla.org/MPL/
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  15  * The Original Code is Mozilla Corporation code.
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  17  * The Initial Developer of the Original Code is Mozilla Corporation.
  18  * Portions created by the Initial Developer are Copyright (C) 2005
  19  * the Initial Developer. All Rights Reserved.
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  21  * Contributor(s):
  22  *   Vladimir Vukicevic <vladimir@pobox.com>
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  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
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  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include "gfxQuartzSurface.h"
  39 #include "gfxContext.h"
  40
  41 #include "cairo-quartz.h"
  42
  43 gfxQuartzSurface::gfxQuartzSurface(const gfxSize& size, gfxImageFormat format,
  44                                    PRBool aForPrinting)
  45     : mCGContext(NULL), mSize(size), mForPrinting(aForPrinting)
  46 {
  47     unsigned int width = (unsigned int) floor(size.width);
  48     unsigned int height = (unsigned int) floor(size.height);
  49
  50     if (!CheckSurfaceSize(gfxIntSize(width, height)))
  51         return;
  52
  53     cairo_surface_t *surf = cairo_quartz_surface_create
  54         ((cairo_format_t) format, width, height);
  55
  56     mCGContext = cairo_quartz_surface_get_cg_context (surf);
  57
  58     CGContextRetain(mCGContext);
  59
  60     Init(surf);
  61 }
  62
  63 gfxQuartzSurface::gfxQuartzSurface(CGContextRef context,
  64                                    const gfxSize& size,
  65                                    PRBool aForPrinting)
  66     : mCGContext(context), mSize(size), mForPrinting(aForPrinting)
  67 {
  68     unsigned int width = (unsigned int) floor(size.width);
  69     unsigned int height = (unsigned int) floor(size.height);
  70
  71     cairo_surface_t *surf =
  72         cairo_quartz_surface_create_for_cg_context(context,
  73                                                    width, height);
  74
  75     CGContextRetain(mCGContext);
  76
  77     Init(surf);
  78 }
  79
  80 gfxQuartzSurface::gfxQuartzSurface(cairo_surface_t *csurf,
  81                                    PRBool aForPrinting) :
  82     mSize(-1.0, -1.0), mForPrinting(aForPrinting)
  83 {
  84     mCGContext = cairo_quartz_surface_get_cg_context (csurf);
  85     CGContextRetain (mCGContext);
  86
  87     Init(csurf, PR_TRUE);
  88 }
  89
  90 PRInt32 gfxQuartzSurface::GetDefaultContextFlags() const
  91 {
  92     if (mForPrinting)
  93         return gfxContext::FLAG_DISABLE_SNAPPING;
  94
  95     return 0;
  96 }
  97
  98 gfxQuartzSurface::~gfxQuartzSurface()
  99 {
 100     CGContextRelease(mCGContext);
 101 }