You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
662 lines
16 KiB
662 lines
16 KiB
/*
|
|
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.
|
|
|
|
xrdp: A Remote Desktop Protocol server.
|
|
Copyright (C) Jay Sorg 2004-2007
|
|
|
|
painter, gc
|
|
|
|
*/
|
|
|
|
#include "xrdp.h"
|
|
|
|
/*****************************************************************************/
|
|
struct xrdp_painter* APP_CC
|
|
xrdp_painter_create(struct xrdp_wm* wm, struct xrdp_session* session)
|
|
{
|
|
struct xrdp_painter* self;
|
|
|
|
self = (struct xrdp_painter*)g_malloc(sizeof(struct xrdp_painter), 1);
|
|
self->wm = wm;
|
|
self->session = session;
|
|
self->rop = 0xcc; /* copy gota use 0xcc*/
|
|
self->clip_children = 1;
|
|
return self;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void APP_CC
|
|
xrdp_painter_delete(struct xrdp_painter* self)
|
|
{
|
|
if (self == 0)
|
|
{
|
|
return;
|
|
}
|
|
xrdp_font_delete(self->font);
|
|
g_free(self);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_begin_update(struct xrdp_painter* self)
|
|
{
|
|
libxrdp_orders_init(self->session);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_end_update(struct xrdp_painter* self)
|
|
{
|
|
libxrdp_orders_send(self->session);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_font_needed(struct xrdp_painter* self)
|
|
{
|
|
if (self->font == 0)
|
|
{
|
|
self->font = xrdp_font_create(self->wm);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns boolean, true if there is something to draw */
|
|
static int APP_CC
|
|
xrdp_painter_clip_adj(struct xrdp_painter* self, int* x, int* y,
|
|
int* cx, int* cy)
|
|
{
|
|
int dx;
|
|
int dy;
|
|
|
|
if (!self->use_clip)
|
|
{
|
|
return 1;
|
|
}
|
|
if (self->clip.left > *x)
|
|
{
|
|
dx = self->clip.left - *x;
|
|
}
|
|
else
|
|
{
|
|
dx = 0;
|
|
}
|
|
if (self->clip.top > *y)
|
|
{
|
|
dy = self->clip.top - *y;
|
|
}
|
|
else
|
|
{
|
|
dy = 0;
|
|
}
|
|
if (*x + *cx > self->clip.right)
|
|
{
|
|
*cx = *cx - ((*x + *cx) - self->clip.right);
|
|
}
|
|
if (*y + *cy > self->clip.bottom)
|
|
{
|
|
*cy = *cy - ((*y + *cy) - self->clip.bottom);
|
|
}
|
|
*cx = *cx - dx;
|
|
*cy = *cy - dy;
|
|
if (*cx <= 0)
|
|
{
|
|
return 0;
|
|
}
|
|
if (*cy <= 0)
|
|
{
|
|
return 0;
|
|
}
|
|
*x = *x + dx;
|
|
*y = *y + dy;
|
|
return 1;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_set_clip(struct xrdp_painter* self,
|
|
int x, int y, int cx, int cy)
|
|
{
|
|
self->use_clip = &self->clip;
|
|
self->clip.left = x;
|
|
self->clip.top = y;
|
|
self->clip.right = x + cx;
|
|
self->clip.bottom = y + cy;
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_clr_clip(struct xrdp_painter* self)
|
|
{
|
|
self->use_clip = 0;
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_painter_rop(int rop, int src, int dst)
|
|
{
|
|
switch (rop & 0x0f)
|
|
{
|
|
case 0x0: return 0;
|
|
case 0x1: return ~(src | dst);
|
|
case 0x2: return (~src) & dst;
|
|
case 0x3: return ~src;
|
|
case 0x4: return src & (~dst);
|
|
case 0x5: return ~(dst);
|
|
case 0x6: return src ^ dst;
|
|
case 0x7: return ~(src & dst);
|
|
case 0x8: return src & dst;
|
|
case 0x9: return ~(src) ^ dst;
|
|
case 0xa: return dst;
|
|
case 0xb: return (~src) | dst;
|
|
case 0xc: return src;
|
|
case 0xd: return src | (~dst);
|
|
case 0xe: return src | dst;
|
|
case 0xf: return ~0;
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_text_width(struct xrdp_painter* self, char* text)
|
|
{
|
|
int index;
|
|
int rv;
|
|
int len;
|
|
struct xrdp_font_char* font_item;
|
|
twchar* wstr;
|
|
|
|
xrdp_painter_font_needed(self);
|
|
if (text == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
rv = 0;
|
|
len = g_mbstowcs(0, text, 0);
|
|
wstr = (twchar*)g_malloc((len + 2) * sizeof(twchar), 0);
|
|
g_mbstowcs(wstr, text, len + 1);
|
|
for (index = 0; index < len; index++)
|
|
{
|
|
font_item = self->font->font_items + wstr[index];
|
|
rv = rv + font_item->incby;
|
|
}
|
|
g_free(wstr);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_text_height(struct xrdp_painter* self, char* text)
|
|
{
|
|
int index;
|
|
int rv;
|
|
int len;
|
|
struct xrdp_font_char* font_item;
|
|
twchar* wstr;
|
|
|
|
xrdp_painter_font_needed(self);
|
|
if (text == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
rv = 0;
|
|
len = g_mbstowcs(0, text, 0);
|
|
wstr = (twchar*)g_malloc((len + 2) * sizeof(twchar), 0);
|
|
g_mbstowcs(wstr, text, len + 1);
|
|
for (index = 0; index < len; index++)
|
|
{
|
|
font_item = self->font->font_items + wstr[index];
|
|
rv = MAX(rv, font_item->height);
|
|
}
|
|
g_free(wstr);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* fill in an area of the screen with one color */
|
|
int APP_CC
|
|
xrdp_painter_fill_rect(struct xrdp_painter* self,
|
|
struct xrdp_bitmap* bitmap,
|
|
int x, int y, int cx, int cy)
|
|
{
|
|
struct xrdp_rect clip_rect;
|
|
struct xrdp_rect draw_rect;
|
|
struct xrdp_rect rect;
|
|
struct xrdp_region* region;
|
|
int k;
|
|
int dx;
|
|
int dy;
|
|
int rop;
|
|
|
|
if (self == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* todo data */
|
|
|
|
if (bitmap->type == WND_TYPE_BITMAP) /* 0 */
|
|
{
|
|
return 0;
|
|
}
|
|
xrdp_bitmap_get_screen_clip(bitmap, self, &clip_rect, &dx, &dy);
|
|
region = xrdp_region_create(self->wm);
|
|
xrdp_wm_get_vis_region(self->wm, bitmap, x, y, cx, cy, region,
|
|
self->clip_children);
|
|
x += dx;
|
|
y += dy;
|
|
if (self->mix_mode == 0 && self->rop == 0xcc)
|
|
{
|
|
k = 0;
|
|
while (xrdp_region_get_rect(region, k, &rect) == 0)
|
|
{
|
|
if (rect_intersect(&rect, &clip_rect, &draw_rect))
|
|
{
|
|
libxrdp_orders_rect(self->session, x, y, cx, cy,
|
|
self->fg_color, &draw_rect);
|
|
}
|
|
k++;
|
|
}
|
|
}
|
|
else if (self->mix_mode == 0 &&
|
|
((self->rop & 0xf) == 0x0 || /* black */
|
|
(self->rop & 0xf) == 0xf || /* white */
|
|
(self->rop & 0xf) == 0x5)) /* DSTINVERT */
|
|
{
|
|
k = 0;
|
|
while (xrdp_region_get_rect(region, k, &rect) == 0)
|
|
{
|
|
if (rect_intersect(&rect, &clip_rect, &draw_rect))
|
|
{
|
|
libxrdp_orders_dest_blt(self->session, x, y, cx, cy,
|
|
self->rop, &draw_rect);
|
|
}
|
|
k++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
k = 0;
|
|
rop = self->rop;
|
|
/* if opcode is in the form 0x00, 0x11, 0x22, ... convert it */
|
|
if (((rop & 0xf0) >> 4) == (rop & 0xf))
|
|
{
|
|
switch (rop)
|
|
{
|
|
case 0x66: /* xor */
|
|
rop = 0x5a;
|
|
break;
|
|
case 0xaa: /* noop */
|
|
rop = 0xfb;
|
|
break;
|
|
case 0xcc: /* copy */
|
|
rop = 0xf0;
|
|
break;
|
|
case 0x88: /* and */
|
|
rop = 0xc0;
|
|
break;
|
|
}
|
|
}
|
|
while (xrdp_region_get_rect(region, k, &rect) == 0)
|
|
{
|
|
if (rect_intersect(&rect, &clip_rect, &draw_rect))
|
|
{
|
|
libxrdp_orders_pat_blt(self->session, x, y, cx, cy,
|
|
rop, self->bg_color, self->fg_color,
|
|
&self->brush, &draw_rect);
|
|
}
|
|
k++;
|
|
}
|
|
}
|
|
xrdp_region_delete(region);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_draw_text(struct xrdp_painter* self,
|
|
struct xrdp_bitmap* bitmap,
|
|
int x, int y, const char* text)
|
|
{
|
|
int i;
|
|
int f;
|
|
int c;
|
|
int k;
|
|
int x1;
|
|
int y1;
|
|
int flags;
|
|
int len;
|
|
int index;
|
|
int total_width;
|
|
int total_height;
|
|
int dx;
|
|
int dy;
|
|
char* data;
|
|
struct xrdp_region* region;
|
|
struct xrdp_rect rect;
|
|
struct xrdp_rect clip_rect;
|
|
struct xrdp_rect draw_rect;
|
|
struct xrdp_font* font;
|
|
struct xrdp_font_char* font_item;
|
|
twchar* wstr;
|
|
|
|
if (self == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
len = g_mbstowcs(0, text, 0);
|
|
if (len < 1)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* todo data */
|
|
|
|
if (bitmap->type == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
/* convert to wide char */
|
|
wstr = (twchar*)g_malloc((len + 2) * sizeof(twchar), 0);
|
|
g_mbstowcs(wstr, text, len + 1);
|
|
xrdp_painter_font_needed(self);
|
|
font = self->font;
|
|
f = 0;
|
|
k = 0;
|
|
total_width = 0;
|
|
total_height = 0;
|
|
data = (char*)g_malloc(len * 4, 1);
|
|
for (index = 0; index < len; index++)
|
|
{
|
|
font_item = font->font_items + wstr[index];
|
|
i = xrdp_cache_add_char(self->wm->cache, font_item);
|
|
f = HIWORD(i);
|
|
c = LOWORD(i);
|
|
data[index * 2] = c;
|
|
data[index * 2 + 1] = k;
|
|
k = font_item->incby;
|
|
total_width += k;
|
|
total_height = MAX(total_height, font_item->height);
|
|
}
|
|
xrdp_bitmap_get_screen_clip(bitmap, self, &clip_rect, &dx, &dy);
|
|
region = xrdp_region_create(self->wm);
|
|
xrdp_wm_get_vis_region(self->wm, bitmap, x, y, total_width, total_height,
|
|
region, self->clip_children);
|
|
x += dx;
|
|
y += dy;
|
|
k = 0;
|
|
while (xrdp_region_get_rect(region, k, &rect) == 0)
|
|
{
|
|
if (rect_intersect(&rect, &clip_rect, &draw_rect))
|
|
{
|
|
x1 = x;
|
|
y1 = y + total_height;
|
|
flags = 0x03; /* 0x03 0x73; TEXT2_IMPLICIT_X and something else */
|
|
libxrdp_orders_text(self->session, f, flags, 0,
|
|
font->color, 0,
|
|
x - 1, y - 1, x + total_width, y + total_height,
|
|
0, 0, 0, 0,
|
|
x1, y1, data, len * 2, &draw_rect);
|
|
}
|
|
k++;
|
|
}
|
|
xrdp_region_delete(region);
|
|
g_free(data);
|
|
g_free(wstr);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_draw_text2(struct xrdp_painter* self,
|
|
struct xrdp_bitmap* bitmap,
|
|
int font, int flags, int mixmode,
|
|
int clip_left, int clip_top,
|
|
int clip_right, int clip_bottom,
|
|
int box_left, int box_top,
|
|
int box_right, int box_bottom,
|
|
int x, int y, char* data, int data_len)
|
|
{
|
|
struct xrdp_rect clip_rect;
|
|
struct xrdp_rect draw_rect;
|
|
struct xrdp_rect rect;
|
|
struct xrdp_region* region;
|
|
int k;
|
|
int dx;
|
|
int dy;
|
|
|
|
if (self == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* todo data */
|
|
|
|
if (bitmap->type == WND_TYPE_BITMAP)
|
|
{
|
|
return 0;
|
|
}
|
|
xrdp_bitmap_get_screen_clip(bitmap, self, &clip_rect, &dx, &dy);
|
|
region = xrdp_region_create(self->wm);
|
|
if (box_right - box_left > 1)
|
|
{
|
|
xrdp_wm_get_vis_region(self->wm, bitmap, box_left, box_top,
|
|
box_right - box_left, box_bottom - box_top,
|
|
region, self->clip_children);
|
|
}
|
|
else
|
|
{
|
|
xrdp_wm_get_vis_region(self->wm, bitmap, clip_left, clip_top,
|
|
clip_right - clip_left, clip_bottom - clip_top,
|
|
region, self->clip_children);
|
|
}
|
|
clip_left += dx;
|
|
clip_top += dy;
|
|
clip_right += dx;
|
|
clip_bottom += dy;
|
|
box_left += dx;
|
|
box_top += dy;
|
|
box_right += dx;
|
|
box_bottom += dy;
|
|
x += dx;
|
|
y += dy;
|
|
k = 0;
|
|
while (xrdp_region_get_rect(region, k, &rect) == 0)
|
|
{
|
|
if (rect_intersect(&rect, &clip_rect, &draw_rect))
|
|
{
|
|
libxrdp_orders_text(self->session, font, flags, mixmode,
|
|
self->fg_color, self->bg_color,
|
|
clip_left, clip_top, clip_right, clip_bottom,
|
|
box_left, box_top, box_right, box_bottom,
|
|
x, y, data, data_len, &draw_rect);
|
|
}
|
|
k++;
|
|
}
|
|
xrdp_region_delete(region);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_copy(struct xrdp_painter* self,
|
|
struct xrdp_bitmap* src,
|
|
struct xrdp_bitmap* dst,
|
|
int x, int y, int cx, int cy,
|
|
int srcx, int srcy)
|
|
{
|
|
struct xrdp_rect clip_rect;
|
|
struct xrdp_rect draw_rect;
|
|
struct xrdp_rect rect1;
|
|
struct xrdp_rect rect2;
|
|
struct xrdp_region* region;
|
|
struct xrdp_bitmap* b;
|
|
int i;
|
|
int j;
|
|
int k;
|
|
int dx;
|
|
int dy;
|
|
int palette_id;
|
|
int bitmap_id;
|
|
int cache_id;
|
|
int cache_idx;
|
|
int dstx;
|
|
int dsty;
|
|
int w;
|
|
int h;
|
|
|
|
if (self == 0 || src == 0 || dst == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* todo data */
|
|
|
|
if (dst->type == WND_TYPE_BITMAP)
|
|
{
|
|
return 0;
|
|
}
|
|
if (src == dst && src->wm->screen == src)
|
|
{
|
|
xrdp_bitmap_get_screen_clip(dst, self, &clip_rect, &dx, &dy);
|
|
region = xrdp_region_create(self->wm);
|
|
xrdp_wm_get_vis_region(self->wm, dst, x, y, cx, cy,
|
|
region, self->clip_children);
|
|
x += dx;
|
|
y += dy;
|
|
srcx += dx;
|
|
srcy += dy;
|
|
k = 0;
|
|
while (xrdp_region_get_rect(region, k, &rect1) == 0)
|
|
{
|
|
if (rect_intersect(&rect1, &clip_rect, &draw_rect))
|
|
{
|
|
libxrdp_orders_screen_blt(self->session, x, y, cx, cy,
|
|
srcx, srcy, self->rop, &draw_rect);
|
|
}
|
|
k++;
|
|
}
|
|
xrdp_region_delete(region);
|
|
}
|
|
else if (src->data != 0)
|
|
/* todo, the non bitmap cache part is gone, it should be put back */
|
|
{
|
|
xrdp_bitmap_get_screen_clip(dst, self, &clip_rect, &dx, &dy);
|
|
region = xrdp_region_create(self->wm);
|
|
xrdp_wm_get_vis_region(self->wm, dst, x, y, cx, cy,
|
|
region, self->clip_children);
|
|
x += dx;
|
|
y += dy;
|
|
palette_id = 0;
|
|
j = srcy;
|
|
while (j < src->height)
|
|
{
|
|
i = srcx;
|
|
while (i < src->width)
|
|
{
|
|
w = MIN(64, src->width - i);
|
|
h = MIN(64, src->height - j);
|
|
b = xrdp_bitmap_create(w, h, self->wm->screen->bpp, 0, self->wm);
|
|
xrdp_bitmap_copy_box_with_crc(src, b, i, j, w, h);
|
|
bitmap_id = xrdp_cache_add_bitmap(self->wm->cache, b);
|
|
cache_id = HIWORD(bitmap_id);
|
|
cache_idx = LOWORD(bitmap_id);
|
|
dstx = (x + i) - srcx;
|
|
dsty = (y + j) - srcy;
|
|
k = 0;
|
|
while (xrdp_region_get_rect(region, k, &rect1) == 0)
|
|
{
|
|
if (rect_intersect(&rect1, &clip_rect, &rect2))
|
|
{
|
|
MAKERECT(rect1, dstx, dsty, w, h);
|
|
if (rect_intersect(&rect2, &rect1, &draw_rect))
|
|
{
|
|
libxrdp_orders_mem_blt(self->session, cache_id, palette_id,
|
|
dstx, dsty, w, h, self->rop, 0, 0,
|
|
cache_idx, &draw_rect);
|
|
}
|
|
}
|
|
k++;
|
|
}
|
|
i += 64;
|
|
}
|
|
j += 64;
|
|
}
|
|
xrdp_region_delete(region);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_painter_line(struct xrdp_painter* self,
|
|
struct xrdp_bitmap* bitmap,
|
|
int x1, int y1, int x2, int y2)
|
|
{
|
|
struct xrdp_rect clip_rect;
|
|
struct xrdp_rect draw_rect;
|
|
struct xrdp_rect rect;
|
|
struct xrdp_region* region;
|
|
int k;
|
|
int dx;
|
|
int dy;
|
|
int rop;
|
|
|
|
if (self == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* todo data */
|
|
|
|
if (bitmap->type == WND_TYPE_BITMAP)
|
|
{
|
|
return 0;
|
|
}
|
|
xrdp_bitmap_get_screen_clip(bitmap, self, &clip_rect, &dx, &dy);
|
|
region = xrdp_region_create(self->wm);
|
|
xrdp_wm_get_vis_region(self->wm, bitmap, MIN(x1, x2), MIN(y1, y2),
|
|
g_abs(x1 - x2) + 1, g_abs(y1 - y2) + 1,
|
|
region, self->clip_children);
|
|
x1 += dx;
|
|
y1 += dy;
|
|
x2 += dx;
|
|
y2 += dy;
|
|
k = 0;
|
|
rop = self->rop;
|
|
if (rop < 0x01 || rop > 0x10)
|
|
{
|
|
rop = (rop & 0xf) + 1;
|
|
}
|
|
while (xrdp_region_get_rect(region, k, &rect) == 0)
|
|
{
|
|
if (rect_intersect(&rect, &clip_rect, &draw_rect))
|
|
{
|
|
libxrdp_orders_line(self->session, 0, x1, y1, x2, y2,
|
|
rop, self->bg_color,
|
|
&self->pen, &draw_rect);
|
|
}
|
|
k++;
|
|
}
|
|
xrdp_region_delete(region);
|
|
return 0;
|
|
}
|