diff options
Diffstat (limited to 'xrdp/xrdp_orders.c')
| -rw-r--r-- | xrdp/xrdp_orders.c | 976 |
1 files changed, 976 insertions, 0 deletions
diff --git a/xrdp/xrdp_orders.c b/xrdp/xrdp_orders.c new file mode 100644 index 00000000..c7644726 --- /dev/null +++ b/xrdp/xrdp_orders.c @@ -0,0 +1,976 @@ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + Copyright (C) Jay Sorg 2004 + + orders + +*/ + +#include "xrdp.h" + +/*****************************************************************************/ +struct xrdp_orders* xrdp_orders_create(struct xrdp_process* owner) +{ + struct xrdp_orders* self; + + self = (struct xrdp_orders*)g_malloc(sizeof(struct xrdp_orders), 1); + self->pro_layer = owner; + self->rdp_layer = owner->rdp_layer; + self->out_s = &owner->out_s; + return self; +} + +/*****************************************************************************/ +void xrdp_orders_delete(struct xrdp_orders* self) +{ + g_free(self); +} + +/*****************************************************************************/ +/* returns error */ +int xrdp_orders_init(struct xrdp_orders* self) +{ + self->order_level++; + if (self->order_level == 1) + { + self->order_count = 0; + if (xrdp_rdp_init_data(self->rdp_layer, 8192) != 0) /* is this big enough */ + return 1; + out_uint16_le(self->out_s, RDP_UPDATE_ORDERS); + out_uint8s(self->out_s, 2); /* pad */ + self->order_count_ptr = self->out_s->p; + out_uint8s(self->out_s, 2); /* number of orders, set later */ + out_uint8s(self->out_s, 2); /* pad */ + } + return 0; +} + +/*****************************************************************************/ +/* returns error */ +int xrdp_orders_send(struct xrdp_orders* self) +{ + int rv; + + rv = 0; + if (self->order_level > 0) + { + self->order_level--; + if (self->order_level == 0) + { + s_mark_end(self->out_s); + *((short*)self->order_count_ptr) = self->order_count; + if (xrdp_rdp_send_data(self->rdp_layer, RDP_DATA_PDU_UPDATE) != 0) + rv = 1; + } + } + return rv; +} + +/*****************************************************************************/ +/* returns error */ +int xrdp_orders_force_send(struct xrdp_orders* self) +{ + if (self->order_count > 0) + { + s_mark_end(self->out_s); + *((short*)self->order_count_ptr) = self->order_count; + if (xrdp_rdp_send_data(self->rdp_layer, RDP_DATA_PDU_UPDATE) != 0) + return 1; + } + self->order_count = 0; + self->order_level = 0; + return 0; +} + +/*****************************************************************************/ +int xrdp_orders_check(struct xrdp_orders* self, int max_size) +{ + int size; + + if (self->order_level < 1) + { + if (max_size > 8000) + return 1; + else + return 0; + } + size = self->out_s->p - self->order_count_ptr; + if (size < 0 || size > 8192) + return 1; + if (size + max_size + 100 > 8000) + { + xrdp_orders_force_send(self); + xrdp_orders_init(self); + } + return 0; +} + +/*****************************************************************************/ +/* returns boolean */ +int xrdp_orders_last_bounds(struct xrdp_orders* self, + struct xrdp_rect* rect) +{ + if (rect == 0) + return 0; + if (rect->left == self->clip_left && rect->top == self->clip_top && + rect->right == self->clip_right && rect->bottom == self->clip_bottom) + return 1; + return 0; +} + +/*****************************************************************************/ +/* returns boolean */ +int xrdp_orders_send_delta(struct xrdp_orders* self, int* vals, int count) +{ + int i; + + for (i = 0; i < count; i += 2) + if (g_abs(vals[i] - vals[i + 1]) >= 128) + return 0; + return 1; +} + +/*****************************************************************************/ +/* returns error */ +int xrdp_orders_out_bounds(struct xrdp_orders* self, struct xrdp_rect* rect) +{ + char* bounds_flags_ptr; + int bounds_flags; + + bounds_flags = 0; + bounds_flags_ptr = self->out_s->p; + out_uint8s(self->out_s, 1); + /* left */ + if (rect->left == self->clip_left) ; + else if (g_abs(rect->left - self->clip_left) < 128) + bounds_flags |= 0x10; + else + bounds_flags |= 0x01; + /* top */ + if (rect->top == self->clip_top) ; + else if (g_abs(rect->top - self->clip_top) < 128) + bounds_flags |= 0x20; + else + bounds_flags |= 0x02; + /* right */ + if (rect->right == self->clip_right) ; + else if (g_abs(rect->right - self->clip_right) < 128) + bounds_flags |= 0x40; + else + bounds_flags |= 0x04; + /* bottom */ + if (rect->bottom == self->clip_bottom) ; + else if (g_abs(rect->bottom - self->clip_bottom) < 128) + bounds_flags |= 0x80; + else + bounds_flags |= 0x08; + /* left */ + if (bounds_flags & 0x01) + out_uint16_le(self->out_s, rect->left) + else if (bounds_flags & 0x10) + out_uint8(self->out_s, rect->left - self->clip_left) + self->clip_left = rect->left; + /* top */ + if (bounds_flags & 0x02) + out_uint16_le(self->out_s, rect->top) + else if (bounds_flags & 0x20) + out_uint8(self->out_s, rect->top - self->clip_top) + self->clip_top = rect->top; + /* right */ + if (bounds_flags & 0x04) + out_uint16_le(self->out_s, rect->right) + else if (bounds_flags & 0x40) + out_uint8(self->out_s, rect->right - self->clip_right) + self->clip_right = rect->right; + /* bottom */ + if (bounds_flags & 0x08) + out_uint16_le(self->out_s, rect->bottom) + else if (bounds_flags & 0x80) + out_uint8(self->out_s, rect->bottom - self->clip_bottom) + self->clip_bottom = rect->bottom; + /* set flags */ + *bounds_flags_ptr = bounds_flags; + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* send a solid rect to client */ +/* max size 23 */ +int xrdp_orders_rect(struct xrdp_orders* self, int x, int y, int cx, int cy, + int color, struct xrdp_rect* rect) +{ + int order_flags; + int vals[8]; + int present; + char* present_ptr; + + xrdp_orders_check(self, 23); + self->order_count++; + order_flags = RDP_ORDER_STANDARD; + if (self->last_order != RDP_ORDER_RECT) + order_flags |= RDP_ORDER_CHANGE; + self->last_order = RDP_ORDER_RECT; + if (rect != 0) + { + order_flags |= RDP_ORDER_BOUNDS; + if (xrdp_orders_last_bounds(self, rect)) + order_flags |= RDP_ORDER_LASTBOUNDS; + } + vals[0] = x; vals[1] = self->rect_x; + vals[2] = y; vals[3] = self->rect_y; + vals[4] = cx; vals[5] = self->rect_cx; + vals[6] = cy; vals[7] = self->rect_cy; + if (xrdp_orders_send_delta(self, vals, 8)) + order_flags |= RDP_ORDER_DELTA; + out_uint8(self->out_s, order_flags) + if (order_flags & RDP_ORDER_CHANGE) + out_uint8(self->out_s, self->last_order) + present = 0; + present_ptr = self->out_s->p; /* hold 1 byte present pointer */ + out_uint8s(self->out_s, 1) + if ((order_flags & RDP_ORDER_BOUNDS) && + !(order_flags & RDP_ORDER_LASTBOUNDS)) + xrdp_orders_out_bounds(self, rect); + if (x != self->rect_x) + { + present |= 0x01; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, x - self->rect_x) + else + out_uint16_le(self->out_s, x) + self->rect_x = x; + } + if (y != self->rect_y) + { + present |= 0x02; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, y - self->rect_y) + else + out_uint16_le(self->out_s, y) + self->rect_y = y; + } + if (cx != self->rect_cx) + { + present |= 0x04; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cx - self->rect_cx) + else + out_uint16_le(self->out_s, cx) + self->rect_cx = cx; + } + if (cy != self->rect_cy) + { + present |= 0x08; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cy - self->rect_cy) + else + out_uint16_le(self->out_s, cy) + self->rect_cy = cy; + } + if ((color & 0xff) != (self->rect_color & 0xff)) + { + present |= 0x10; + self->rect_color = (self->rect_color & 0xffff00) | (color & 0xff); + out_uint8(self->out_s, color); + } + if ((color & 0xff00) != (self->rect_color & 0xff00)) + { + present |= 0x20; + self->rect_color = (self->rect_color & 0xff00ff) | (color & 0xff00); + out_uint8(self->out_s, color >> 8); + } + if ((color & 0xff0000) != (self->rect_color & 0xff0000)) + { + present |= 0x40; + self->rect_color = (self->rect_color & 0x00ffff) | (color & 0xff0000); + out_uint8(self->out_s, color >> 16); + } + *present_ptr = present; + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* send a screen blt order */ +/* max size 25 */ +int xrdp_orders_screen_blt(struct xrdp_orders* self, int x, int y, + int cx, int cy, int srcx, int srcy, + int rop, struct xrdp_rect* rect) +{ + int order_flags; + int vals[12]; + int present; + char* present_ptr; + + xrdp_orders_check(self, 25); + self->order_count++; + order_flags = RDP_ORDER_STANDARD; + if (self->last_order != RDP_ORDER_SCREENBLT) + order_flags |= RDP_ORDER_CHANGE; + self->last_order = RDP_ORDER_SCREENBLT; + if (rect != 0) + { + order_flags |= RDP_ORDER_BOUNDS; + if (xrdp_orders_last_bounds(self, rect)) + order_flags |= RDP_ORDER_LASTBOUNDS; + } + vals[0] = x; vals[1] = self->scr_blt_x; + vals[2] = y; vals[3] = self->scr_blt_y; + vals[4] = cx; vals[5] = self->scr_blt_cx; + vals[6] = cy; vals[7] = self->scr_blt_cy; + vals[8] = srcx; vals[9] = self->scr_blt_srcx; + vals[10] = srcy; vals[11] = self->scr_blt_srcy; + if (xrdp_orders_send_delta(self, vals, 12)) + order_flags |= RDP_ORDER_DELTA; + out_uint8(self->out_s, order_flags); + if (order_flags & RDP_ORDER_CHANGE) + out_uint8(self->out_s, self->last_order) + present = 0; + present_ptr = self->out_s->p; /* hold 1 byte present pointer */ + out_uint8s(self->out_s, 1) + if ((order_flags & RDP_ORDER_BOUNDS) && + !(order_flags & RDP_ORDER_LASTBOUNDS)) + xrdp_orders_out_bounds(self, rect); + if (x != self->scr_blt_x) + { + present |= 0x01; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, x - self->scr_blt_x) + else + out_uint16_le(self->out_s, x) + self->scr_blt_x = x; + } + if (y != self->scr_blt_y) + { + present |= 0x02; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, y - self->scr_blt_y) + else + out_uint16_le(self->out_s, y) + self->scr_blt_y = y; + } + if (cx != self->scr_blt_cx) + { + present |= 0x04; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cx - self->scr_blt_cx) + else + out_uint16_le(self->out_s, cx) + self->scr_blt_cx = cx; + } + if (cy != self->scr_blt_cy) + { + present |= 0x08; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cy - self->scr_blt_cy) + else + out_uint16_le(self->out_s, cy) + self->scr_blt_cy = cy; + } + if (rop != self->scr_blt_rop) + { + present |= 0x10; + out_uint8(self->out_s, rop); + self->scr_blt_rop = rop; + } + if (srcx != self->scr_blt_srcx) + { + present |= 0x20; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, srcx - self->scr_blt_srcx) + else + out_uint16_le(self->out_s, srcx) + self->scr_blt_srcx = srcx; + } + if (srcy != self->scr_blt_srcy) + { + present |= 0x40; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, srcy - self->scr_blt_srcy) + else + out_uint16_le(self->out_s, srcy) + self->scr_blt_srcy = srcy; + } + *present_ptr = present; + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* send a pat blt order */ +/* max size 39 */ +int xrdp_orders_pat_blt(struct xrdp_orders* self, int x, int y, + int cx, int cy, int rop, int bg_color, + int fg_color, struct xrdp_brush* brush, + struct xrdp_rect* rect) +{ + int order_flags; + int vals[8]; + int present; + char* present_ptr; + struct xrdp_brush blank_brush; + + xrdp_orders_check(self, 39); + self->order_count++; + order_flags = RDP_ORDER_STANDARD; + if (self->last_order != RDP_ORDER_PATBLT) + order_flags |= RDP_ORDER_CHANGE; + self->last_order = RDP_ORDER_PATBLT; + if (rect != 0) + { + order_flags |= RDP_ORDER_BOUNDS; + if (xrdp_orders_last_bounds(self, rect)) + order_flags |= RDP_ORDER_LASTBOUNDS; + } + vals[0] = x; vals[1] = self->pat_blt_x; + vals[2] = y; vals[3] = self->pat_blt_y; + vals[4] = cx; vals[5] = self->pat_blt_cx; + vals[6] = cy; vals[7] = self->pat_blt_cy; + if (xrdp_orders_send_delta(self, vals, 8)) + order_flags |= RDP_ORDER_DELTA; + out_uint8(self->out_s, order_flags); + if (order_flags & RDP_ORDER_CHANGE) + out_uint8(self->out_s, self->last_order) + present = 0; + present_ptr = self->out_s->p; /* hold 2 byte present pointer, todo */ + out_uint8s(self->out_s, 2) /* this can be smaller, */ + /* see RDP_ORDER_SMALL and RDP_ORDER_TINY */ + if ((order_flags & RDP_ORDER_BOUNDS) && + !(order_flags & RDP_ORDER_LASTBOUNDS)) + xrdp_orders_out_bounds(self, rect); + if (x != self->pat_blt_x) + { + present |= 0x0001; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, x - self->pat_blt_x) + else + out_uint16_le(self->out_s, x) + self->pat_blt_x = x; + } + if (y != self->pat_blt_y) + { + present |= 0x0002; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, y - self->pat_blt_y) + else + out_uint16_le(self->out_s, y) + self->pat_blt_y = y; + } + if (cx != self->pat_blt_cx) + { + present |= 0x0004; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cx - self->pat_blt_cx) + else + out_uint16_le(self->out_s, cx) + self->pat_blt_cx = cx; + } + if (cy != self->pat_blt_cy) + { + present |= 0x0008; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cy - self->pat_blt_cy) + else + out_uint16_le(self->out_s, cy) + self->pat_blt_cy = cy; + } + if (rop != self->pat_blt_rop) + { + present |= 0x0010; + /* PATCOPY PATPAINT PATINVERT DSTINVERT BLACKNESS WHITENESS */ + out_uint8(self->out_s, rop); + self->pat_blt_rop = rop; + } + if (bg_color != self->pat_blt_bg_color) + { + present |= 0x0020; + out_uint8(self->out_s, bg_color); + out_uint8(self->out_s, bg_color >> 8); + out_uint8(self->out_s, bg_color >> 16); + self->pat_blt_bg_color = bg_color; + } + if (fg_color != self->pat_blt_fg_color) + { + present |= 0x0040; + out_uint8(self->out_s, fg_color); + out_uint8(self->out_s, fg_color >> 8); + out_uint8(self->out_s, fg_color >> 16); + self->pat_blt_fg_color = fg_color; + } + if (brush == 0) /* if nil use blank one */ + { /* todo can we just set style to zero */ + g_memset(&blank_brush, 0, sizeof(struct xrdp_brush)); + brush = &blank_brush; + } + if (brush->x_orgin != self->pat_blt_brush.x_orgin) + { + present |= 0x0080; + out_uint8(self->out_s, brush->x_orgin); + self->pat_blt_brush.x_orgin = brush->x_orgin; + } + if (brush->y_orgin != self->pat_blt_brush.y_orgin) + { + present |= 0x0100; + out_uint8(self->out_s, brush->y_orgin); + self->pat_blt_brush.y_orgin = brush->y_orgin; + } + if (brush->style != self->pat_blt_brush.style) + { + present |= 0x0200; + out_uint8(self->out_s, brush->style); + self->pat_blt_brush.style = brush->style; + } + if (brush->pattern[0] != self->pat_blt_brush.pattern[0]) + { + present |= 0x0400; + out_uint8(self->out_s, brush->pattern[0]); + self->pat_blt_brush.pattern[0] = brush->pattern[0]; + } + if (g_memcmp(brush->pattern + 1, self->pat_blt_brush.pattern + 1, 7) != 0) + { + present |= 0x0800; + out_uint8a(self->out_s, brush->pattern + 1, 7); + g_memcpy(self->pat_blt_brush.pattern + 1, brush->pattern + 1, 7); + } + *((short*)present_ptr) = present; + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* send a dest blt order */ +/* max size 21 */ +int xrdp_orders_dest_blt(struct xrdp_orders* self, int x, int y, + int cx, int cy, int rop, + struct xrdp_rect* rect) +{ + int order_flags; + int vals[8]; + int present; + char* present_ptr; + + xrdp_orders_check(self, 21); + self->order_count++; + order_flags = RDP_ORDER_STANDARD; + if (self->last_order != RDP_ORDER_DESTBLT) + order_flags |= RDP_ORDER_CHANGE; + self->last_order = RDP_ORDER_DESTBLT; + if (rect != 0) + { + order_flags |= RDP_ORDER_BOUNDS; + if (xrdp_orders_last_bounds(self, rect)) + order_flags |= RDP_ORDER_LASTBOUNDS; + } + vals[0] = x; vals[1] = self->dest_blt_x; + vals[2] = y; vals[3] = self->dest_blt_y; + vals[4] = cx; vals[5] = self->dest_blt_cx; + vals[6] = cy; vals[7] = self->dest_blt_cy; + if (xrdp_orders_send_delta(self, vals, 8)) + order_flags |= RDP_ORDER_DELTA; + out_uint8(self->out_s, order_flags); + if (order_flags & RDP_ORDER_CHANGE) + out_uint8(self->out_s, self->last_order) + present = 0; + present_ptr = self->out_s->p; /* hold 1 byte present pointer */ + out_uint8s(self->out_s, 1) + if ((order_flags & RDP_ORDER_BOUNDS) && + !(order_flags & RDP_ORDER_LASTBOUNDS)) + xrdp_orders_out_bounds(self, rect); + if (x != self->dest_blt_x) + { + present |= 0x01; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, x - self->dest_blt_x) + else + out_uint16_le(self->out_s, x) + self->dest_blt_x = x; + } + if (y != self->dest_blt_y) + { + present |= 0x02; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, y - self->dest_blt_y) + else + out_uint16_le(self->out_s, y) + self->dest_blt_y = y; + } + if (cx != self->dest_blt_cx) + { + present |= 0x04; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cx - self->dest_blt_cx) + else + out_uint16_le(self->out_s, cx) + self->dest_blt_cx = cx; + } + if (cy != self->dest_blt_cy) + { + present |= 0x08; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cy - self->dest_blt_cy) + else + out_uint16_le(self->out_s, cy) + self->dest_blt_cy = cy; + } + if (rop != self->dest_blt_rop) + { + present |= 0x0010; + out_uint8(self->out_s, rop); + self->dest_blt_rop = rop; + } + *present_ptr = present; + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* send a line order */ +/* max size 32 */ +int xrdp_orders_line(struct xrdp_orders* self, int mix_mode, + int startx, int starty, + int endx, int endy, int rop, int bg_color, + struct xrdp_pen* pen, + struct xrdp_rect* rect) +{ + int order_flags; + int vals[8]; + int present; + char* present_ptr; + struct xrdp_pen blank_pen; + + xrdp_orders_check(self, 32); + self->order_count++; + order_flags = RDP_ORDER_STANDARD; + if (self->last_order != RDP_ORDER_LINE) + order_flags |= RDP_ORDER_CHANGE; + self->last_order = RDP_ORDER_LINE; + if (rect != 0) + { + order_flags |= RDP_ORDER_BOUNDS; + if (xrdp_orders_last_bounds(self, rect)) + order_flags |= RDP_ORDER_LASTBOUNDS; + } + vals[0] = startx; vals[1] = self->line_startx; + vals[2] = starty; vals[3] = self->line_starty; + vals[4] = endx; vals[5] = self->line_endx; + vals[6] = endy; vals[7] = self->line_endy; + if (xrdp_orders_send_delta(self, vals, 8)) + order_flags |= RDP_ORDER_DELTA; + out_uint8(self->out_s, order_flags); + if (order_flags & RDP_ORDER_CHANGE) + out_uint8(self->out_s, self->last_order) + present = 0; + present_ptr = self->out_s->p; /* hold 2 byte present pointer */ + out_uint8s(self->out_s, 2) + if ((order_flags & RDP_ORDER_BOUNDS) && + !(order_flags & RDP_ORDER_LASTBOUNDS)) + xrdp_orders_out_bounds(self, rect); + if (mix_mode != self->line_mix_mode) + { + present |= 0x0001; + out_uint16_le(self->out_s, mix_mode) + self->line_mix_mode = mix_mode; + } + if (startx != self->line_startx) + { + present |= 0x0002; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, startx - self->line_startx) + else + out_uint16_le(self->out_s, startx) + self->line_startx = startx; + } + if (starty != self->line_starty) + { + present |= 0x0004; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, starty - self->line_starty) + else + out_uint16_le(self->out_s, starty) + self->line_starty = starty; + } + if (endx != self->line_endx) + { + present |= 0x0008; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, endx - self->line_endx) + else + out_uint16_le(self->out_s, endx) + self->line_endx = endx; + } + if (endy != self->line_endy) + { + present |= 0x0010; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, endy - self->line_endy) + else + out_uint16_le(self->out_s, endy) + self->line_endy = endy; + } + if (bg_color != self->line_bg_color) + { + present |= 0x0020; + out_uint8(self->out_s, bg_color) + out_uint8(self->out_s, bg_color >> 8) + out_uint8(self->out_s, bg_color >> 16) + self->line_bg_color = bg_color; + } + if (rop != self->line_rop) + { + present |= 0x0040; + out_uint8(self->out_s, rop) + self->line_rop = rop; + } + if (pen == 0) + { + g_memset(&blank_pen, 0, sizeof(struct xrdp_pen)); + pen = &blank_pen; + } + if (pen->style != self->line_pen.style) + { + present |= 0x0080; + out_uint8(self->out_s, pen->style) + self->line_pen.style = pen->style; + } + if (pen->width != self->line_pen.width) + { + present |= 0x0100; + out_uint8(self->out_s, pen->width) + self->line_pen.width = pen->width; + } + if (pen->color != self->line_pen.color) + { + present |= 0x0200; + out_uint8(self->out_s, pen->color) + out_uint8(self->out_s, pen->color >> 8) + out_uint8(self->out_s, pen->color >> 16) + self->line_pen.color = pen->color; + } + *((short*)present_ptr) = present; + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* send a mem blt order */ +/* max size 30 */ +int xrdp_orders_mem_blt(struct xrdp_orders* self, int cache_id, + int color_table, int x, int y, int cx, int cy, + int rop, int srcx, int srcy, + int cache_idx, struct xrdp_rect* rect) +{ + int order_flags; + int vals[12]; + int present; + char* present_ptr; + + xrdp_orders_check(self, 30); + self->order_count++; + order_flags = RDP_ORDER_STANDARD; + if (self->last_order != RDP_ORDER_MEMBLT) + order_flags |= RDP_ORDER_CHANGE; + self->last_order = RDP_ORDER_MEMBLT; + if (rect != 0) + { + order_flags |= RDP_ORDER_BOUNDS; + if (xrdp_orders_last_bounds(self, rect)) + order_flags |= RDP_ORDER_LASTBOUNDS; + } + vals[0] = x; vals[1] = self->mem_blt_x; + vals[2] = y; vals[3] = self->mem_blt_y; + vals[4] = cx; vals[5] = self->mem_blt_cx; + vals[6] = cy; vals[7] = self->mem_blt_cy; + vals[8] = srcx; vals[9] = self->mem_blt_srcx; + vals[10] = srcy; vals[11] = self->mem_blt_srcy; + if (xrdp_orders_send_delta(self, vals, 12)) + order_flags |= RDP_ORDER_DELTA; + out_uint8(self->out_s, order_flags); + if (order_flags & RDP_ORDER_CHANGE) + out_uint8(self->out_s, self->last_order) + present = 0; + present_ptr = self->out_s->p; /* hold 2 byte present pointer, todo */ + out_uint8s(self->out_s, 2) /* this can be smaller, */ + /* see RDP_ORDER_SMALL and RDP_ORDER_TINY */ + if ((order_flags & RDP_ORDER_BOUNDS) && + !(order_flags & RDP_ORDER_LASTBOUNDS)) + xrdp_orders_out_bounds(self, rect); + if (cache_id != self->mem_blt_cache_id || + color_table != self->mem_blt_color_table) + { + present |= 0x0001; + out_uint8(self->out_s, cache_id); + out_uint8(self->out_s, color_table); + self->mem_blt_cache_id = cache_id; + self->mem_blt_color_table = color_table; + } + if (x != self->mem_blt_x) + { + present |= 0x0002; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, x - self->mem_blt_x) + else + out_uint16_le(self->out_s, x) + self->mem_blt_x = x; + } + if (y != self->mem_blt_y) + { + present |= 0x0004; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, y - self->mem_blt_y) + else + out_uint16_le(self->out_s, y) + self->mem_blt_y = y; + } + if (cx != self->mem_blt_cx) + { + present |= 0x0008; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cx - self->mem_blt_cx) + else + out_uint16_le(self->out_s, cx) + self->mem_blt_cx = cx; + } + if (cy != self->mem_blt_cy) + { + present |= 0x0010; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, cy - self->mem_blt_cy) + else + out_uint16_le(self->out_s, cy) + self->mem_blt_cy = cy; + } + if (rop != self->mem_blt_rop) + { + present |= 0x0020; + out_uint8(self->out_s, rop); + self->mem_blt_rop = rop; + } + if (srcx != self->mem_blt_srcx) + { + present |= 0x0040; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, srcx - self->mem_blt_srcx) + else + out_uint16_le(self->out_s, srcx) + self->mem_blt_srcx = srcx; + } + if (srcy != self->mem_blt_srcy) + { + present |= 0x0080; + if (order_flags & RDP_ORDER_DELTA) + out_uint8(self->out_s, srcy - self->mem_blt_srcy) + else + out_uint16_le(self->out_s, srcy) + self->mem_blt_srcy = srcy; + } + if (cache_idx != self->mem_blt_cache_idx) + { + present |= 0x0100; + out_uint16_le(self->out_s, cache_idx); + self->mem_blt_cache_idx = cache_idx; + } + *((short*)present_ptr) = present; + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* when a palette gets sent, send the main palette too */ +/* don't need max size here */ +int xrdp_orders_send_palette(struct xrdp_orders* self, int* palette, + int cache_id) +{ + int order_flags; + int len; + int i; + + /* gota clear any build up orders and send the main palette */ + xrdp_orders_force_send(self); + xrdp_wm_send_palette(self->pro_layer->wm); + xrdp_orders_init(self); + self->order_count++; + order_flags = RDP_ORDER_STANDARD | RDP_ORDER_SECONDARY; + out_uint8(self->out_s, order_flags); + len = 1027 - 7; /* length after type minus 7 */ + out_uint16_le(self->out_s, len); + out_uint16_le(self->out_s, 0); /* flags */ + out_uint8(self->out_s, RDP_ORDER_COLCACHE); /* type */ + out_uint8(self->out_s, cache_id); + out_uint16_le(self->out_s, 256); /* num colors */ + for (i = 0; i < 256; i++) + { + out_uint8(self->out_s, palette[i]); + out_uint8(self->out_s, palette[i] >> 8); + out_uint8(self->out_s, palette[i] >> 16); + out_uint8(self->out_s, 0); + } + return 0; +} + +/*****************************************************************************/ +/* returns error */ +/* max size width * height * Bpp + 16 */ +int xrdp_orders_send_raw_bitmap(struct xrdp_orders* self, + struct xrdp_bitmap* bitmap, + int cache_id, int cache_idx) +{ + int order_flags; + int len; + int bufsize; + int Bpp; + int i; + int j; + int pixel; + + Bpp = (bitmap->bpp + 7) / 8; + bufsize = bitmap->width * bitmap->height * Bpp; + xrdp_orders_check(self, bufsize + 16); + self->order_count++; + order_flags = RDP_ORDER_STANDARD | RDP_ORDER_SECONDARY; + out_uint8(self->out_s, order_flags); + len = (bufsize + 9) - 7; + out_uint16_le(self->out_s, len); + out_uint16_le(self->out_s, 8); /* flags */ + out_uint8(self->out_s, RDP_ORDER_RAW_BMPCACHE); /* type */ + out_uint8(self->out_s, cache_id); + out_uint8s(self->out_s, 1); /* pad */ + out_uint8(self->out_s, bitmap->width); + out_uint8(self->out_s, bitmap->height); + out_uint8(self->out_s, bitmap->bpp); + out_uint16_le(self->out_s, bufsize); + out_uint16_le(self->out_s, cache_idx); + for (i = bitmap->height - 1; i >= 0; i--) + for (j = 0; j < bitmap->width; j++) + { + pixel = xrdp_bitmap_get_pixel(bitmap, j, i); + if (Bpp == 3) + { + out_uint8(self->out_s, pixel >> 16); + out_uint8(self->out_s, pixel >> 8); + out_uint8(self->out_s, pixel); + } + else if (Bpp == 2) + { + out_uint8(self->out_s, pixel); + out_uint8(self->out_s, pixel >> 8); + } + else if (Bpp == 1) + out_uint8(self->out_s, pixel); + } + return 0; +} |
