380 lines
15 KiB
C
380 lines
15 KiB
C
HRESULT WINAPI DXColorFromBSTR( BSTR Color, DWORD *pdwColor );
|
|
|
|
typedef struct _COLORVALUE_PAIR
|
|
{
|
|
const CHAR *szName;
|
|
DWORD dwValue;
|
|
} COLORVALUE_PAIR;
|
|
|
|
const COLORVALUE_PAIR
|
|
rgColorNames[] =
|
|
{
|
|
{ ("aliceblue"), 0xfff0f8ff },
|
|
{ ("antiquewhite"), 0xfffaebd7 },
|
|
{ ("aqua"), 0xff00ffff },
|
|
{ ("aquamarine"), 0xff7fffd4 },
|
|
{ ("azure"), 0xfff0ffff },
|
|
{ ("beige"), 0xfff5f5dc },
|
|
{ ("bisque"), 0xffffe4c4 },
|
|
{ ("black"), 0xff000000 },
|
|
{ ("blanchedalmond"), 0xffffebcd },
|
|
{ ("blue"), 0xff0000ff },
|
|
{ ("blueviolet"), 0xff8a2be2 },
|
|
{ ("brown"), 0xffa52a2a },
|
|
{ ("burlywood"), 0xffdeb887 },
|
|
{ ("cadetblue"), 0xff5f9ea0 },
|
|
{ ("chartreuse"), 0xff7fff00 },
|
|
{ ("chocolate"), 0xffd2691e },
|
|
{ ("coral"), 0xffff7f50 },
|
|
{ ("cornflowerblue"), 0xff6495ed },
|
|
{ ("cornsilk"), 0xfffff8dc },
|
|
{ ("crimson"), 0xffdc143c },
|
|
{ ("cyan"), 0xff00ffff },
|
|
{ ("darkblue"), 0xff00008b },
|
|
{ ("darkcyan"), 0xff008b8b },
|
|
{ ("darkgoldenrod"), 0xffb8860b },
|
|
{ ("darkgray"), 0xffa9a9a9 },
|
|
{ ("darkgreen"), 0xff006400 },
|
|
{ ("darkkhaki"), 0xffbdb76b },
|
|
{ ("darkmagenta"), 0xff8b008b },
|
|
{ ("darkolivegreen"), 0xff556b2f },
|
|
{ ("darkorange"), 0xffff8c00 },
|
|
{ ("darkorchid"), 0xff9932cc },
|
|
{ ("darkred"), 0xff8b0000 },
|
|
{ ("darksalmon"), 0xffe9967a },
|
|
{ ("darkseagreen"), 0xff8fbc8f },
|
|
{ ("darkslateblue"), 0xff483d8b },
|
|
{ ("darkslategray"), 0xff2f4f4f },
|
|
{ ("darkturquoise"), 0xff00ced1 },
|
|
{ ("darkviolet"), 0xff9400d3 },
|
|
{ ("deeppink"), 0xffff1493 },
|
|
{ ("deepskyblue"), 0xff00bfff },
|
|
{ ("dimgray"), 0xff696969 },
|
|
{ ("dodgerblue"), 0xff1e90ff },
|
|
{ ("firebrick"), 0xffb22222 },
|
|
{ ("floralwhite"), 0xfffffaf0 },
|
|
{ ("forestgreen"), 0xff228b22 },
|
|
{ ("fuchsia"), 0xffff00ff },
|
|
{ ("gainsboro"), 0xffdcdcdc },
|
|
{ ("ghostwhite"), 0xfff8f8ff },
|
|
{ ("gold"), 0xffffd700 },
|
|
{ ("goldenrod"), 0xffdaa520 },
|
|
{ ("gray"), 0xff808080 },
|
|
{ ("green"), 0xff008000 },
|
|
{ ("greenyellow"), 0xffadff2f },
|
|
{ ("honeydew"), 0xfff0fff0 },
|
|
{ ("hotpink"), 0xffff69b4 },
|
|
{ ("indianred"), 0xffcd5c5c },
|
|
{ ("indigo"), 0xff4b0082 },
|
|
{ ("ivory"), 0xfffffff0 },
|
|
{ ("khaki"), 0xfff0e68c },
|
|
{ ("lavender"), 0xffe6e6fa },
|
|
{ ("lavenderblush"), 0xfffff0f5 },
|
|
{ ("lawngreen"), 0xff7cfc00 },
|
|
{ ("lemonchiffon"), 0xfffffacd },
|
|
{ ("lightblue"), 0xffadd8e6 },
|
|
{ ("lightcoral"), 0xfff08080 },
|
|
{ ("lightcyan"), 0xffe0ffff },
|
|
{ ("lightgoldenrodyellow"), 0xfffafad2 },
|
|
{ ("lightgreen"), 0xff90ee90 },
|
|
{ ("lightgrey"), 0xffd3d3d3 },
|
|
{ ("lightpink"), 0xffffb6c1 },
|
|
{ ("lightsalmon"), 0xffffa07a },
|
|
{ ("lightseagreen"), 0xff20b2aa },
|
|
{ ("lightskyblue"), 0xff87cefa },
|
|
{ ("lightslategray"), 0xff778899 },
|
|
{ ("lightsteelblue"), 0xffb0c4de },
|
|
{ ("lightyellow"), 0xffffffe0 },
|
|
{ ("lime"), 0xff00ff00 },
|
|
{ ("limegreen"), 0xff32cd32 },
|
|
{ ("linen"), 0xfffaf0e6 },
|
|
{ ("magenta"), 0xffff00ff },
|
|
{ ("maroon"), 0xff800000 },
|
|
{ ("mediumaquamarine"), 0xff66cdaa },
|
|
{ ("mediumblue"), 0xff0000cd },
|
|
{ ("mediumorchid"), 0xffba55d3 },
|
|
{ ("mediumpurple"), 0xff9370db },
|
|
{ ("mediumseagreen"), 0xff3cb371 },
|
|
{ ("mediumslateblue"), 0xff7b68ee },
|
|
{ ("mediumspringgreen"), 0xff00fa9a },
|
|
{ ("mediumturquoise"), 0xff48d1cc },
|
|
{ ("mediumvioletred"), 0xffc71585 },
|
|
{ ("midnightblue"), 0xff191970 },
|
|
{ ("mintcream"), 0xfff5fffa },
|
|
{ ("mistyrose"), 0xffffe4e1 },
|
|
{ ("moccasin"), 0xffffe4b5 },
|
|
{ ("navajowhite"), 0xffffdead },
|
|
{ ("navy"), 0xff000080 },
|
|
{ ("oldlace"), 0xfffdf5e6 },
|
|
{ ("olive"), 0xff808000 },
|
|
{ ("olivedrab"), 0xff6b8e23 },
|
|
{ ("orange"), 0xffffa500 },
|
|
{ ("orangered"), 0xffff4500 },
|
|
{ ("orchid"), 0xffda70d6 },
|
|
{ ("palegoldenrod"), 0xffeee8aa },
|
|
{ ("palegreen"), 0xff98fb98 },
|
|
{ ("paleturquoise"), 0xffafeeee },
|
|
{ ("palevioletred"), 0xffdb7093 },
|
|
{ ("papayawhip"), 0xffffefd5 },
|
|
{ ("peachpuff"), 0xffffdab9 },
|
|
{ ("peru"), 0xffcd853f },
|
|
{ ("pink"), 0xffffc0cb },
|
|
{ ("plum"), 0xffdda0dd },
|
|
{ ("powderblue"), 0xffb0e0e6 },
|
|
{ ("purple"), 0xff800080 },
|
|
{ ("red"), 0xffff0000 },
|
|
{ ("rosybrown"), 0xffbc8f8f },
|
|
{ ("royalblue"), 0xff4169e1 },
|
|
{ ("saddlebrown"), 0xff8b4513 },
|
|
{ ("salmon"), 0xfffa8072 },
|
|
{ ("sandybrown"), 0xfff4a460 },
|
|
{ ("seagreen"), 0xff2e8b57 },
|
|
{ ("seashell"), 0xfffff5ee },
|
|
{ ("sienna"), 0xffa0522d },
|
|
{ ("silver"), 0xffc0c0c0 },
|
|
{ ("skyblue"), 0xff87ceeb },
|
|
{ ("slateblue"), 0xff6a5acd },
|
|
{ ("slategray"), 0xff708090 },
|
|
{ ("snow"), 0xfffffafa },
|
|
{ ("springgreen"), 0xff00ff7f },
|
|
{ ("steelblue"), 0xff4682b4 },
|
|
{ ("tan"), 0xffd2b48c },
|
|
{ ("teal"), 0xff008080 },
|
|
{ ("thistle"), 0xffd8bfd8 },
|
|
{ ("tomato"), 0xffff6347 },
|
|
{ ("turquoise"), 0xff40e0d0 },
|
|
{ ("violet"), 0xffee82ee },
|
|
{ ("wheat"), 0xfff5deb3 },
|
|
{ ("white"), 0xffffffff },
|
|
{ ("whitesmoke"), 0xfff5f5f5 },
|
|
{ ("yellow"), 0xffffff00 },
|
|
{ ("yellowgreen"), 0xff9acd32 }
|
|
|
|
}; // rgColorNames[]
|
|
|
|
#define SIZE_OF_COLOR_TABLE (sizeof(rgColorNames) / sizeof(COLORVALUE_PAIR))
|
|
|
|
const COLORVALUE_PAIR
|
|
rgSystemColorNames[] =
|
|
{
|
|
{ ("activeborder"), COLOR_ACTIVEBORDER}, // Active window border.
|
|
{ ("activecaption"), COLOR_ACTIVECAPTION}, // Active window caption.
|
|
{ ("appworkspace"), COLOR_APPWORKSPACE}, // Background color of multiple document interface (MDI) applications.
|
|
{ ("background"), COLOR_BACKGROUND}, // Desktop background.
|
|
{ ("buttonface"), COLOR_BTNFACE}, // Face color for three-dimensional display elements.
|
|
{ ("buttonhighlight"), COLOR_BTNHIGHLIGHT}, // Dark shadow for three-dimensional display elements.
|
|
{ ("buttonshadow"), COLOR_BTNSHADOW}, // Shadow color for three-dimensional display elements (for edges facing away from the light source).
|
|
{ ("buttontext"), COLOR_BTNTEXT}, // Text on push buttons.
|
|
{ ("captiontext"), COLOR_CAPTIONTEXT}, // Text in caption, size box, and scroll bar arrow box.
|
|
{ ("graytext"), COLOR_GRAYTEXT}, // Grayed (disabled) text. This color is set to 0 if the current display driver does not support a solid gray color.
|
|
{ ("highlight"), COLOR_HIGHLIGHT}, // Item(s) selected in a control.
|
|
{ ("highlighttext"), COLOR_HIGHLIGHTTEXT}, // Text of item(s) selected in a control.
|
|
{ ("inactiveborder"), COLOR_INACTIVEBORDER}, // Inactive window border.
|
|
{ ("inactivecaption"), COLOR_INACTIVECAPTION}, // Inactive window caption.
|
|
{ ("inactivecaptiontext"),COLOR_INACTIVECAPTIONTEXT}, // Color of text in an inactive caption.
|
|
{ ("infobackground"), COLOR_INFOBK}, // Background color for tooltip controls.
|
|
{ ("infotext"), COLOR_INFOTEXT}, // Text color for tooltip controls.
|
|
{ ("menu"), COLOR_MENU}, // Menu background.
|
|
{ ("menutext"), COLOR_MENUTEXT}, // Text in menus.
|
|
{ ("scrollbar"), COLOR_SCROLLBAR}, // Scroll bar gray area.
|
|
{ ("threeddarkshadow"), COLOR_3DDKSHADOW }, // Dark shadow for three-dimensional display elements.
|
|
{ ("threedface"), COLOR_3DFACE},
|
|
{ ("threedhighlight"), COLOR_3DHIGHLIGHT}, // Highlight color for three-dimensional display elements (for edges facing the light source.)
|
|
{ ("threedlightshadow"), COLOR_3DLIGHT}, // Light color for three-dimensional display elements (for edges facing the light source.)
|
|
{ ("threedshadow"), COLOR_3DSHADOW}, // Dark shadow for three-dimensional display elements.
|
|
{ ("window"), COLOR_WINDOW}, // Window background.
|
|
{ ("windowframe"), COLOR_WINDOWFRAME}, // Window frame.
|
|
{ ("windowtext"), COLOR_WINDOWTEXT}, // Text in windows.
|
|
}; // rgSystemColorNames[]
|
|
|
|
#define SIZE_OF_SYSTEM_COLOR_TABLE (sizeof(rgSystemColorNames) / sizeof(COLORVALUE_PAIR))
|
|
|
|
//
|
|
// Used by DXColorFromBSTR to parse the hex string.
|
|
//
|
|
|
|
inline HRESULT _HexStrToDWORD( char * pch, DWORD * pdwColor )
|
|
{
|
|
|
|
HRESULT hr = S_OK;
|
|
short hexVals[8];
|
|
int numVals;
|
|
int i;
|
|
DWORD dwmult;
|
|
|
|
if( !pch || !pdwColor )
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
else
|
|
{
|
|
//--- parse input string
|
|
numVals = 0;
|
|
while( *pch && numVals < 8 )
|
|
{
|
|
if( *pch >= '0' && *pch <= '9' )
|
|
{
|
|
hexVals[numVals++] = *pch++ - '0';
|
|
}
|
|
else if( *pch >= 'a' && *pch <= 'f' )
|
|
{
|
|
hexVals[numVals++] = *pch++ - 'a' + 10;
|
|
}
|
|
else if( *pch >= 'A' && *pch <= 'F' )
|
|
{
|
|
hexVals[numVals++] = *pch++ - 'A' + 10;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( numVals < 6 )
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
else
|
|
{
|
|
//--- if we were passed 7 hex digits, only use the first 6
|
|
if( numVals == 7 )
|
|
{
|
|
numVals = 6;
|
|
}
|
|
|
|
//--- initialize multiplier
|
|
dwmult = 1;
|
|
*pdwColor = 0;
|
|
|
|
//--- multiply hexVals by 16^i
|
|
for( i = 0; i < numVals; i++ )
|
|
{
|
|
*pdwColor += (hexVals[numVals-(i+1)]*dwmult);
|
|
dwmult <<= 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//
|
|
// Used by DXColorFromBSTR to convert a string to lower case
|
|
//
|
|
|
|
inline void StringToLowerCase( CHAR * pstrKey )
|
|
{
|
|
if( pstrKey )
|
|
{
|
|
while( *pstrKey )
|
|
{
|
|
if( *pstrKey >= 'A' && *pstrKey <= 'Z' )
|
|
{
|
|
*pstrKey = 'a' + *pstrKey - 'A';
|
|
}
|
|
pstrKey++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
inline HRESULT WINAPI DXColorFromBSTR( BSTR Color, DWORD *pdwColor )
|
|
{
|
|
HRESULT hr = S_OK;
|
|
// validate arguments
|
|
int strLen = wcslen(Color);
|
|
if( strLen < 3 || DXIsBadReadPtr( Color, strLen ) ||
|
|
DXIsBadWritePtr( pdwColor, sizeof(*pdwColor) ) )
|
|
{
|
|
hr = E_INVALIDARG;
|
|
}
|
|
else
|
|
{
|
|
//--- first check for #AARRGGBB and #RRGGBB strings
|
|
if( Color[0] == L'#' )
|
|
{
|
|
CHAR ch[11] = "0xffffffff";
|
|
if( strLen > 9 ) strLen = 9;
|
|
if( strLen >= 7 )
|
|
{
|
|
WideCharToMultiByte( CP_ACP, NULL, &Color[1], strLen-1, &ch[11-strLen], strLen, NULL, NULL );
|
|
hr = _HexStrToDWORD( &ch[2], pdwColor);
|
|
}
|
|
else
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//--- convert the string to lower case
|
|
LPSTR pstrKey = (LPSTR) alloca((strLen + 1) * sizeof(CHAR));
|
|
WideCharToMultiByte( CP_ACP, NULL, Color, strLen+1, pstrKey, strLen+1, NULL, NULL );
|
|
StringToLowerCase( pstrKey );
|
|
|
|
//--- search the string table using a binary search
|
|
int nFirst = 0;
|
|
int nLast = SIZE_OF_COLOR_TABLE - 1;
|
|
int nCur, nCmp;
|
|
bool bFound = false;
|
|
while( (nFirst <= nLast) && !bFound )
|
|
{
|
|
nCur = (nFirst + nLast) / 2;
|
|
nCmp = strcmp( rgColorNames[nCur].szName, pstrKey );
|
|
if( nCmp < 0 )
|
|
{
|
|
nFirst = nCur + 1;
|
|
}
|
|
else if( nCmp > 0 )
|
|
{
|
|
nLast = nCur - 1;
|
|
}
|
|
else
|
|
{
|
|
bFound = true;
|
|
*pdwColor = rgColorNames[nCur].dwValue;
|
|
}
|
|
}
|
|
|
|
// String not in regular color table, try the system color table.
|
|
|
|
if (!bFound)
|
|
{
|
|
nFirst = 0;
|
|
nLast = SIZE_OF_SYSTEM_COLOR_TABLE - 1;
|
|
|
|
while ((nFirst <= nLast) && !bFound)
|
|
{
|
|
nCur = (nFirst + nLast) / 2;
|
|
nCmp = strcmp(rgSystemColorNames[nCur].szName, pstrKey);
|
|
|
|
if (nCmp < 0)
|
|
{
|
|
nFirst = nCur + 1;
|
|
}
|
|
else if (nCmp > 0)
|
|
{
|
|
nLast = nCur - 1;
|
|
}
|
|
else
|
|
{
|
|
bFound = true;
|
|
*pdwColor = ::GetSysColor((int)rgSystemColorNames[nCur].dwValue);
|
|
*pdwColor |= 0xFF000000;
|
|
}
|
|
}
|
|
|
|
// String not found in regular or system color table.
|
|
|
|
if (!bFound)
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
return hr;
|
|
}
|
|
|