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Display (macOS): don't parse string

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This commit is contained in:
李通洲
2024-08-01 16:02:41 +08:00
parent 104cb43158
commit 65883766a0
1 changed files with 7 additions and 13 deletions
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src/detection/displayserver/displayserver_apple.c
+7 -13
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@@ -86,21 +86,15 @@ static void detectDisplays(FFDisplayServerResult* ds)
);
if (display)
{
// Shitty code
uint8_t bitDepth = 0;
FF_CFTYPE_AUTO_RELEASE CFStringRef desc = CFCopyDescription(mode);
CFRange start = CFStringFind(desc, CFSTR("BitsPerSample = "), 0);
if (start.location != kCFNotFound)
// https://stackoverflow.com/a/33519316/9976392
// Also shitty, but better than parsing `CFCopyDescription(mode)`
CFDictionaryRef dict = (CFDictionaryRef) *((int64_t *)mode + 2);
if (CFGetTypeID(dict) == CFDictionaryGetTypeID())
{
for (CFIndex idx = start.location + start.length; idx < CFStringGetLength(desc); ++idx)
{
UniChar ch = CFStringGetCharacterAtIndex(desc, idx);
if (!ffCharIsDigit((char) ch))
break;
bitDepth = (uint8_t) (bitDepth * 10 + (ch - '0'));
}
int32_t bitDepth;
ffCfDictGetInt(dict, kCGDisplayBitsPerSample, &bitDepth);
display->bitDepth = (uint8_t) bitDepth;
}
display->bitDepth = bitDepth;
}
CGDisplayModeRelease(mode);
}