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vnc: return the number of rectangles

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Some encodings like tight supports tiling (spliting in
multiple sub-rectangles). So we needed a way to tell
vnc_update_client() how much rectangles are in the buffer.

zlib, raw and hextile always send a full rectangle.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Corentin Chary 2010-05-19 09:24:09 +02:00 • committed by Anthony Liguori
parent 161c4f20bf
commit a885211eed
4 changed files with 26 additions and 16 deletions
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6
vnc-encoding-zlib.c
View file

@ -116,7 +116,7 @@ static int vnc_zlib_stop(VncState *vs)
return zstream->total_out - previous_out;
}
void vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
int old_offset, new_offset, bytes_written;
@ -132,13 +132,15 @@ void vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
bytes_written = vnc_zlib_stop(vs);
if (bytes_written == -1)
return;
return 0;
// hack in the size
new_offset = vs->output.offset;
vs->output.offset = old_offset;
vnc_write_u32(vs, bytes_written);
vs->output.offset = new_offset;
return 1;
}
void vnc_zlib_clear(VncState *vs)