pxcolor.cpp
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上传日期:2007-06-06
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文件大小:5k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- // include
- #include "hxtypes.h"
- #include "hxcom.h"
- #include "hxresult.h"
- #include "ihxpckts.h"
- // hxcont
- #include "hxbuffer.h"
- #include "hxstring.h"
- // hxmisc
- #include "unkimp.h"
- #include "baseobj.h"
- // pxcomlib
- #include "gstring.h"
- #include "pxutil.h"
- #include "pxcolor.h"
- // hxdebug
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static char HX_THIS_FILE[] = __FILE__;
- #endif
- BEGIN_INTERFACE_LIST(PXColor)
- END_INTERFACE_LIST
- const UINT32 PXColor::m_pulPredefinedColor[kNumPredefinedColors] =
- {
- 0x000000, 0x008000, 0xC0C0C0, 0x00FF00, 0x808080, 0x808000, 0xFFFFFF, 0xFFFF00,
- 0x800000, 0x000080, 0xFF0000, 0x0000FF, 0x800080, 0x008080, 0xFF00FF, 0x00FFFF
- };
- const char* const PXColor::m_ppPredefinedColorName[kNumPredefinedColors] =
- {
- "black", "green", "silver", "lime", "gray", "olive", "white", "yellow",
- "maroon", "navy", "red", "blue", "purple", "teal", "fuchsia", "aqua"
- };
- void PXColor::Pack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer)
- {
- pBuffer[0] = m_ucRed;
- pBuffer[1] = m_ucGreen;
- pBuffer[2] = m_ucBlue;
- pBuffer[3] = m_ucAlpha;
- pBuffer += 4;
- }
- void PXColor::UnPack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer)
- {
- m_ucRed = pBuffer[0];
- m_ucGreen = pBuffer[1];
- m_ucBlue = pBuffer[2];
- m_ucAlpha = pBuffer[3];
- pBuffer += 4;
- }
- HX_RESULT PXColor::InitFromString(const char *pszStr)
- {
- // Try the "#rrggbb" format first
- UINT32 ulRed, ulGreen, ulBlue;
- INT32 lNumRet = sscanf(pszStr, "#%02X%02X%02X", &ulRed, &ulGreen, &ulBlue);
- if (lNumRet != 3)
- {
- // Try the "#rrggbb" format without the "#"
- lNumRet = sscanf(pszStr, "%02X%02X%02X", &ulRed, &ulGreen, &ulBlue);
- }
- if (lNumRet == 3)
- {
- // Check to make sure the values are in range
- if (ulRed > 255 || ulGreen > 255 || ulBlue > 255)
- {
- return HXR_FAIL;
- }
- // Assign the values
- m_ucRed = (BYTE) ulRed;
- m_ucGreen = (BYTE) ulGreen;
- m_ucBlue = (BYTE) ulBlue;
- }
- else
- {
- // String is not in the "#rrggbb" or "rrggbb" format, so try one of the predefined colors
- UINT32 i;
- for (i = 0; i < kNumPredefinedColors; i++)
- {
- if (!strcmp(pszStr, m_ppPredefinedColorName[i]))
- {
- // We found a match
- break;
- }
- }
- if (i >= kNumPredefinedColors)
- {
- // We didn't find a match
- return HXR_FAIL;
- }
- UINT32 ulColor = m_pulPredefinedColor[i];
- m_ucRed = (unsigned char) ((ulColor >> 16) & 0x000000FF);
- m_ucGreen = (unsigned char) ((ulColor >> 8) & 0x000000FF);
- m_ucBlue = (unsigned char) ( ulColor & 0x000000FF);
- }
- return HXR_OK;
- }