780f43a4f1
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11065 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
//
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// "$Id$"
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//
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// Rectangle drawing routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2016 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#include "../../config_lib.h"
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#ifdef FL_CFG_GFX_QUARTZ
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#include "Fl_Quartz_Graphics_Driver.h"
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const char *Fl_Quartz_Graphics_Driver::class_id = "Fl_Quartz_Graphics_Driver";
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Fl_Offscreen Fl_Quartz_Graphics_Driver::create_offscreen_with_alpha(int w, int h) {
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void *data = calloc(w*h,4);
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CGColorSpaceRef lut = CGColorSpaceCreateDeviceRGB();
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CGContextRef ctx = CGBitmapContextCreate(data, w, h, 8, w*4, lut, kCGImageAlphaPremultipliedLast);
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CGColorSpaceRelease(lut);
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return (Fl_Offscreen)ctx;
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}
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#endif // FL_CFG_GFX_QUARTZ
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//
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// End of "$Id$".
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//
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