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handlers for requests REQID_LOADCURSOR_PNG and REQID_LOADCURSOR_PNG_MEM

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Vincent Wei
2020-01-09 12:17:34 +08:00
parent 902a7c56f5
commit c2b0de97d2
1 changed files with 55 additions and 0 deletions
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src/server/request.c
+55
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@@ -226,6 +226,57 @@ static int load_cursor (int cli, int clifd, void* buff, size_t len)
return ServerSendReply (clifd, &hcsr, sizeof (HCURSOR));
}
#if IS_COMPOSITING_SCHEMA
static int load_cursor_png_file (int cli, int clifd, void* buff, size_t len)
{
int hotspot[2];
HCURSOR hcsr = 0;
if (len <= (sizeof (hotspot) + 1)) // length of file name is 0.
goto ret;
memcpy (hotspot, buff, sizeof(hotspot));
hcsr = LoadCursorFromPNGFile (buff + sizeof(hotspot), hotspot[0], hotspot[1]);
#ifdef _MGHAVE_CURSOR
if (hcsr) {
add_global_res (cli, (void*) hcsr,
(void*)hcsr, (ReleaseProc)DestroyCursor);
}
#endif
ret:
return ServerSendReply (clifd, &hcsr, sizeof (HCURSOR));
}
static int load_cursor_png_mem (int cli, int clifd, void* buff, size_t len)
{
int hotspot[2];
HCURSOR hcsr;
/* check wheter has enough PNG data.
* see: https://garethrees.org/2007/11/14/pngcrush/
*/
if (len < (sizeof (hotspot) + 67))
goto ret;
memcpy (hotspot, buff, sizeof(hotspot));
hcsr = LoadCursorFromPNGMem (buff + sizeof(hotspot), len - sizeof (hotspot),
hotspot[0], hotspot[1]);
#ifdef _MGHAVE_CURSOR
if (hcsr) {
add_global_res (cli, (void*) hcsr,
(void*)hcsr, (ReleaseProc)DestroyCursor);
}
#endif
ret:
return ServerSendReply (clifd, &hcsr, sizeof (HCURSOR));
}
#endif /* IS_COMPOSITING_SCHEMA */
static int create_cursor (int cli, int clifd, void* buff, size_t len)
{
HCURSOR hcsr;
@@ -709,8 +760,12 @@ static struct req_request {
{ copy_cursor, 0 },
#if IS_COMPOSITING_SCHEMA
{ get_wp_surface, 0 },
{ load_cursor_png_file, 0 },
{ load_cursor_png_mem, 0 },
#else
{ NULL, 0 },
{ NULL, 0 },
{ NULL, 0 },
#endif
};