int APP_CC
xrdp_image_compress_rle(int width, int height, int bpp, unsigned char* data, char* dest)
{
struct stream *s;
struct stream *tmp_s;
int e;
int i;
int bufsize;
make_stream(s);
init_stream(s, IMAGE_TILE_MAX_BUFFER_SIZE);
make_stream(tmp_s);
init_stream(tmp_s, IMAGE_TILE_MAX_BUFFER_SIZE);
e = width % 4;
if (e != 0)
e = 4 - e;
i = height;
xrdp_bitmap_compress(data, width, height, s, bpp, IMAGE_TILE_MAX_BUFFER_SIZE, i - 1, tmp_s, e);
bufsize = (int) (s->p - s->data);
g_memcpy(dest, s->data, bufsize);
free_stream(tmp_s);
free_stream(s);
return bufsize;
}
int EXPORT_CC
libxrdp_send_bitmap(struct xrdp_session *session, int width, int height,
int bpp, char *data, int x, int y, int cx, int cy)
{
int line_size = 0;
int i = 0;
int j = 0;
int total_lines = 0;
int lines_sending = 0;
int Bpp = 0;
int e = 0;
int bufsize = 0;
int total_bufsize = 0;
int num_updates = 0;
char *p_num_updates = (char *)NULL;
char *p = (char *)NULL;
char *q = (char *)NULL;
struct stream *s = (struct stream *)NULL;
struct stream *temp_s = (struct stream *)NULL;
DEBUG(("libxrdp_send_bitmap sending bitmap"));
Bpp = (bpp + 7) / 8;
e = width % 4;
if (e != 0)
{
e = 4 - e;
}
line_size = width * Bpp;
make_stream(s);
init_stream(s, 8192);
if (session->client_info->use_bitmap_comp)
{
make_stream(temp_s);
init_stream(temp_s, 65536);
i = 0;
if (cy <= height)
{
i = cy;
}
while (i > 0)
{
total_bufsize = 0;
num_updates = 0;
xrdp_rdp_init_data((struct xrdp_rdp *)session->rdp, s);
out_uint16_le(s, RDP_UPDATE_BITMAP);
p_num_updates = s->p;
out_uint8s(s, 2); /* num_updates set later */
do
{
if (session->client_info->op1)
{
s_push_layer(s, channel_hdr, 18);
}
else
{
s_push_layer(s, channel_hdr, 26);
}
p = s->p;
lines_sending = xrdp_bitmap_compress(data, width, height,
s, bpp,
4096 - total_bufsize,
i - 1, temp_s, e);
if (lines_sending == 0)
{
break;
}
num_updates++;
bufsize = s->p - p;
total_bufsize += bufsize;
i = i - lines_sending;
s_mark_end(s);
s_pop_layer(s, channel_hdr);
out_uint16_le(s, x); /* left */
out_uint16_le(s, y + i); /* top */
out_uint16_le(s, (x + cx) - 1); /* right */
out_uint16_le(s, (y + i + lines_sending) - 1); /* bottom */
out_uint16_le(s, width + e); /* width */
out_uint16_le(s, lines_sending); /* height */
out_uint16_le(s, bpp); /* bpp */
if (session->client_info->op1)
{
out_uint16_le(s, 0x401); /* compress */
out_uint16_le(s, bufsize); /* compressed size */
j = (width + e) * Bpp;
j = j * lines_sending;
}
else
{
out_uint16_le(s, 0x1); /* compress */
out_uint16_le(s, bufsize + 8);
out_uint8s(s, 2); /* pad */
out_uint16_le(s, bufsize); /* compressed size */
j = (width + e) * Bpp;
out_uint16_le(s, j); /* line size */
j = j * lines_sending;
out_uint16_le(s, j); /* final size */
}
if (j > 32768)
{
g_writeln("error, decompressed size too big, its %d", j);
}
if (bufsize > 8192)
{
g_writeln("error, compressed size too big, its %d", bufsize);
}
s->p = s->end;
}
while (total_bufsize < 4096 && i > 0);
p_num_updates[0] = num_updates;
p_num_updates[1] = num_updates >> 8;
xrdp_rdp_send_data((struct xrdp_rdp *)session->rdp, s,
RDP_DATA_PDU_UPDATE);
if (total_bufsize > 8192)
{
g_writeln("error, total compressed size too big, its %d",
total_bufsize);
}
}
free_stream(temp_s);
}
int EXPORT_CC
libxrdp_send_bitmap(struct xrdp_session *session, int width, int height,
int bpp, char *data, int x, int y, int cx, int cy)
{
int line_bytes = 0;
int i = 0;
int j = 0;
int k;
int total_lines = 0;
int lines_sending = 0;
int Bpp = 0;
int e = 0;
int bufsize = 0;
int total_bufsize = 0;
int num_updates = 0;
int line_pad_bytes;
int server_line_bytes;
char *p_num_updates = (char *)NULL;
char *p = (char *)NULL;
char *q = (char *)NULL;
struct stream *s = (struct stream *)NULL;
struct stream *temp_s = (struct stream *)NULL;
tui32 pixel;
LLOGLN(10, ("libxrdp_send_bitmap: sending bitmap"));
Bpp = (bpp + 7) / 8;
e = (4 - width) & 3;
switch (bpp)
{
case 15:
case 16:
server_line_bytes = width * 2;
break;
case 24:
case 32:
server_line_bytes = width * 4;
break;
default: /* 8 bpp */
server_line_bytes = width;
break;
}
line_bytes = width * Bpp;
line_pad_bytes = line_bytes + e * Bpp;
LLOGLN(10, ("libxrdp_send_bitmap: bpp %d Bpp %d line_bytes %d "
"server_line_bytes %d", bpp, Bpp, line_bytes, server_line_bytes));
make_stream(s);
init_stream(s, MAX_BITMAP_BUF_SIZE);
if (session->client_info->use_bitmap_comp)
{
LLOGLN(10, ("libxrdp_send_bitmap: compression"));
make_stream(temp_s);
init_stream(temp_s, 65536);
i = 0;
if (cy <= height)
{
i = cy;
}
while (i > 0)
{
LLOGLN(10, ("libxrdp_send_bitmap: i %d", i));
total_bufsize = 0;
num_updates = 0;
xrdp_rdp_init_data((struct xrdp_rdp *)session->rdp, s);
out_uint16_le(s, RDP_UPDATE_BITMAP);
p_num_updates = s->p;
out_uint8s(s, 2); /* num_updates set later */
do
{
if (session->client_info->op1)
{
s_push_layer(s, channel_hdr, 18);
}
else
{
s_push_layer(s, channel_hdr, 26);
}
p = s->p;
if (bpp > 24)
{
LLOGLN(10, ("libxrdp_send_bitmap: 32 bpp"));
lines_sending = xrdp_bitmap32_compress(data, width, height,
s, 32,
(MAX_BITMAP_BUF_SIZE - 100) - total_bufsize,
i - 1, temp_s, e, 0x10);
LLOGLN(10, ("libxrdp_send_bitmap: i %d lines_sending %d",
i, lines_sending));
}
else
{
lines_sending = xrdp_bitmap_compress(data, width, height,
s, bpp,
(MAX_BITMAP_BUF_SIZE - 100) - total_bufsize,
i - 1, temp_s, e);
LLOGLN(10, ("libxrdp_send_bitmap: i %d lines_sending %d",
i, lines_sending));
}
if (lines_sending == 0)
{
break;
}
num_updates++;
bufsize = s->p - p;
total_bufsize += bufsize;
i = i - lines_sending;
s_mark_end(s);
s_pop_layer(s, channel_hdr);
out_uint16_le(s, x); /* left */
out_uint16_le(s, y + i); /* top */
out_uint16_le(s, (x + cx) - 1); /* right */
out_uint16_le(s, (y + i + lines_sending) - 1); /* bottom */
out_uint16_le(s, width + e); /* width */
out_uint16_le(s, lines_sending); /* height */
out_uint16_le(s, bpp); /* bpp */
if (session->client_info->op1)
{
out_uint16_le(s, 0x401); /* compress */
out_uint16_le(s, bufsize); /* compressed size */
j = (width + e) * Bpp;
j = j * lines_sending;
total_bufsize += 18; /* bytes since pop layer */
}
else
{
out_uint16_le(s, 0x1); /* compress */
out_uint16_le(s, bufsize + 8);
out_uint8s(s, 2); /* pad */
out_uint16_le(s, bufsize); /* compressed size */
j = (width + e) * Bpp;
out_uint16_le(s, j); /* line size */
j = j * lines_sending;
out_uint16_le(s, j); /* final size */
total_bufsize += 26; /* bytes since pop layer */
}
LLOGLN(10, ("libxrdp_send_bitmap: decompressed pixels %d "
"decompressed bytes %d compressed bytes %d",
lines_sending * (width + e),
line_pad_bytes * lines_sending, bufsize));
if (j > MAX_BITMAP_BUF_SIZE)
{
LLOGLN(0, ("libxrdp_send_bitmap: error, decompressed "
"size too big: %d bytes", j));
}
if (bufsize > MAX_BITMAP_BUF_SIZE)
{
LLOGLN(0, ("libxrdp_send_bitmap: error, compressed size "
"too big: %d bytes", bufsize));
}
s->p = s->end;
}
while (total_bufsize < MAX_BITMAP_BUF_SIZE && i > 0);
LLOGLN(10, ("libxrdp_send_bitmap: num_updates %d total_bufsize %d",
num_updates, total_bufsize));
p_num_updates[0] = num_updates;
p_num_updates[1] = num_updates >> 8;
xrdp_rdp_send_data((struct xrdp_rdp *)session->rdp, s,
RDP_DATA_PDU_UPDATE);
if (total_bufsize > MAX_BITMAP_BUF_SIZE)
{
LLOGLN(0, ("libxrdp_send_bitmap: error, total compressed "
"size too big: %d bytes", total_bufsize));
}
}
free_stream(temp_s);
}
