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81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Oracle Corporation code.
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*
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* The Initial Developer of the Original Code is Oracle Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@pavlov.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _GFX_COLOR_H
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#define _GFX_COLOR_H
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#include "nsPrintfCString.h"
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#include "gfxTypes.h"
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struct gfxRGBA {
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gfxFloat r, g, b, a;
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gfxRGBA() { }
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gfxRGBA(const gfxRGBA& c) : r(c.r), g(c.g), b(c.b), a(c.a) {}
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gfxRGBA(gfxFloat _r, gfxFloat _g, gfxFloat _b, gfxFloat _a=1.0) : r(_r), g(_g), b(_b), a(_a) {}
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gfxRGBA(PRUint32 c) {
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r = ((c >> 0) & 0xff) / 255.0;
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g = ((c >> 8) & 0xff) / 255.0;
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b = ((c >> 16) & 0xff) / 255.0;
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a = ((c >> 24) & 0xff) / 255.0;
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}
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gfxRGBA(const char* str) {
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a = 1.0;
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// if aString[0] is a #, parse it as hex
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// if aString[0] is a letter, parse it as a color name
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// if aString[0] is a number, parse it loosely as hex
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}
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PRUint32 Packed() const {
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return (((PRUint8)(a * 255.0) << 24) |
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((PRUint8)(b * 255.0) << 16) |
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((PRUint8)(g * 255.0) << 8) |
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((PRUint8)(r * 255.0)));
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}
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// XXX I'd really prefer to just have this return an nsACString
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// Does this function even make sense, since we're just ignoring the alpha value?
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void Hex(nsACString& result) const {
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nsPrintfCString hex(8, "%02x%02x%02x", PRUint8(r*255.0), PRUint8(g*255.0), PRUint8(b*255.0));
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result.Assign(hex);
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}
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};
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#endif /* _GFX_COLOR_H */
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