在OS X上使用框架,我可以使用以下代码将PNG复制到剪贴板(用C语言编写 - 当然我也可以使用Cocoa的NSPasteboard):
#include <ApplicationServices/ApplicationServices.h>
int copyThatThing(void)
{
PasteboardRef clipboard;
if (PasteboardCreate(kPasteboardClipboard, &clipboard) != noErr) {
return -1;
}
if (PasteboardClear(clipboard) != noErr) {
CFRelease(clipboard);
return -1;
}
size_t len;
char *pngbuf = createMyPNGBuffer(&len); /* Defined somewhere else */
if (pngbuf == NULL) {
CFRelease(clipboard);
return -1;
}
CFDataRef data = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, pngbuf,
len, kCFAllocatorNull);
if (data == NULL) {
CFRelease(clipboard);
free(pngbuf);
return -1;
}
OSStatus err;
err = PasteboardPutItemFlavor(clipboard, NULL, kUTTypePNG, data, 0);
CFRelease(clipboard);
CFRelease(data);
free(pngbuf);
return 0;
}
我想要将这个功能移植到Linux/*BSD平台。我该如何使用X来复制它?