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xrdp-proprietary/xrdp/xrdp_painter.c

661 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 2004-2008
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;
}
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 = self->wm->default_font;
}
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,
self->fg_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;
}