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fixed parsing of XPM data files from demos/forty

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(decoder did not parse lowercase hexadecimal numbers)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10110 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2001-05-10 16:41:12 +00:00
parent 4b1f6faaa2
commit b326e313a0
1 changed files with 23 additions and 9 deletions
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32
src/common/xpmdecod.cpp
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@ -491,6 +491,25 @@ static rgbRecord theRGBRecords[] =
};
static int numTheRGBRecords = 234;
static unsigned char ParseHexadecimal(char digit1, char digit2)
{
unsigned char i1, i2;
if (digit1 >= 'a')
i1 = digit1 - 'a' + 0x0A;
else if (digit1 >= 'A')
i1 = digit1 - 'A' + 0x0A;
else
i1 = digit1 - '0';
if (digit2 >= 'a')
i2 = digit2 - 'a' + 0x0A;
else if (digit2 >= 'A')
i2 = digit2 - 'A' + 0x0A;
else
i2 = digit2 - '0';
return (0x10 * i1 + i2);
}
static bool GetRGBFromName(const char *inname, bool *isNone,
unsigned char *r, unsigned char*g, unsigned char *b)
{
@ -503,16 +522,10 @@ static bool GetRGBFromName(const char *inname, bool *isNone,
// #rrggbb are not in database, we parse them directly
if ( *inname == '#' && strlen(inname) == 7 )
{
char buf[3];
buf[2] = 0;
buf[0] = inname[1]; buf[1] = inname[2];
*r = (unsigned char) wxHexToDec(buf);
buf[0] = inname[3]; buf[1] = inname[4];
*g = (unsigned char) wxHexToDec(buf);
buf[0] = inname[5]; buf[1] = inname[6];
*b = (unsigned char) wxHexToDec(buf);
*r = ParseHexadecimal(inname[1], inname[2]);
*g = ParseHexadecimal(inname[3], inname[4]);
*b = ParseHexadecimal(inname[5], inname[6]);
*isNone = FALSE;
return TRUE;
}
@ -634,6 +647,7 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data)
/*
* Read hints and initialize structures:
*/
count = sscanf(xpm_data[0], "%u %u %u %u",
&width, &height, &colors_cnt, &chars_per_pixel);
if ( count != 4 || width * height * colors_cnt == 0 )