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649 lines
16 KiB
649 lines
16 KiB
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2004-2006
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painter, gc
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*/
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#include "xrdp.h"
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/*****************************************************************************/
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struct xrdp_painter* APP_CC
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xrdp_painter_create(struct xrdp_wm* wm, struct xrdp_session* session)
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{
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struct xrdp_painter* self;
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self = (struct xrdp_painter*)g_malloc(sizeof(struct xrdp_painter), 1);
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self->wm = wm;
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self->session = session;
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self->rop = 0xcc; /* copy gota use 0xcc*/
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self->clip_children = 1;
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return self;
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}
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/*****************************************************************************/
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void APP_CC
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xrdp_painter_delete(struct xrdp_painter* self)
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{
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if (self == 0)
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{
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return;
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}
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xrdp_font_delete(self->font);
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g_free(self);
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_begin_update(struct xrdp_painter* self)
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{
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libxrdp_orders_init(self->session);
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_end_update(struct xrdp_painter* self)
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{
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libxrdp_orders_send(self->session);
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_font_needed(struct xrdp_painter* self)
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{
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if (self->font == 0)
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{
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self->font = xrdp_font_create(self->wm);
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}
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return 0;
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}
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/*****************************************************************************/
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/* returns boolean, true if there is something to draw */
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int APP_CC
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xrdp_painter_clip_adj(struct xrdp_painter* self, int* x, int* y,
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int* cx, int* cy)
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{
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int dx;
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int dy;
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if (!self->use_clip)
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{
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return 1;
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}
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if (self->clip.left > *x)
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{
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dx = self->clip.left - *x;
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}
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else
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{
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dx = 0;
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}
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if (self->clip.top > *y)
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{
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dy = self->clip.top - *y;
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}
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else
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{
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dy = 0;
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}
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if (*x + *cx > self->clip.right)
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{
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*cx = *cx - ((*x + *cx) - self->clip.right);
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}
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if (*y + *cy > self->clip.bottom)
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{
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*cy = *cy - ((*y + *cy) - self->clip.bottom);
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}
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*cx = *cx - dx;
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*cy = *cy - dy;
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if (*cx <= 0)
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{
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return 0;
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}
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if (*cy <= 0)
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{
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return 0;
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}
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*x = *x + dx;
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*y = *y + dy;
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return 1;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_set_clip(struct xrdp_painter* self,
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int x, int y, int cx, int cy)
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{
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self->use_clip = &self->clip;
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self->clip.left = x;
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self->clip.top = y;
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self->clip.right = x + cx;
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self->clip.bottom = y + cy;
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_clr_clip(struct xrdp_painter* self)
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{
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self->use_clip = 0;
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_rop(int rop, int src, int dst)
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{
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switch (rop & 0x0f)
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{
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case 0x0: return 0;
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case 0x1: return ~(src | dst);
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case 0x2: return (~src) & dst;
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case 0x3: return ~src;
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case 0x4: return src & (~dst);
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case 0x5: return ~(dst);
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case 0x6: return src ^ dst;
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case 0x7: return ~(src & dst);
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case 0x8: return src & dst;
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case 0x9: return ~(src) ^ dst;
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case 0xa: return dst;
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case 0xb: return (~src) | dst;
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case 0xc: return src;
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case 0xd: return src | (~dst);
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case 0xe: return src | dst;
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case 0xf: return ~0;
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}
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return dst;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_text_width(struct xrdp_painter* self, char* text)
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{
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int index;
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int rv;
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int len;
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struct xrdp_font_char* font_item;
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xrdp_painter_font_needed(self);
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if (text == 0)
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{
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return 0;
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}
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rv = 0;
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len = g_strlen(text);
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for (index = 0; index < len; index++)
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{
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font_item = self->font->font_items + (unsigned char)text[index];
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rv = rv + font_item->incby;
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}
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return rv;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_text_height(struct xrdp_painter* self, char* text)
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{
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int index;
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int rv;
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int len;
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struct xrdp_font_char* font_item;
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xrdp_painter_font_needed(self);
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if (text == 0)
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{
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return 0;
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}
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rv = 0;
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len = g_strlen(text);
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for (index = 0; index < len; index++)
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{
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font_item = self->font->font_items + (unsigned char)text[index];
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rv = MAX(rv, font_item->height);
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}
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return rv;
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}
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/*****************************************************************************/
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/* fill in an area of the screen with one color */
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int APP_CC
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xrdp_painter_fill_rect(struct xrdp_painter* self,
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struct xrdp_bitmap* bitmap,
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int x, int y, int cx, int cy)
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{
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struct xrdp_rect clip_rect;
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struct xrdp_rect draw_rect;
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struct xrdp_rect rect;
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struct xrdp_region* region;
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int k;
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int dx;
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int dy;
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int rop;
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if (self == 0)
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{
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return 0;
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}
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/* todo data */
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if (bitmap->type == WND_TYPE_BITMAP) /* 0 */
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{
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return 0;
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}
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xrdp_bitmap_get_screen_clip(bitmap, self, &clip_rect, &dx, &dy);
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region = xrdp_region_create(self->wm);
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xrdp_wm_get_vis_region(self->wm, bitmap, x, y, cx, cy, region,
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self->clip_children);
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x += dx;
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y += dy;
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if (self->mix_mode == 0 && self->rop == 0xcc)
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{
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k = 0;
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while (xrdp_region_get_rect(region, k, &rect) == 0)
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{
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if (rect_intersect(&rect, &clip_rect, &draw_rect))
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{
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libxrdp_orders_rect(self->session, x, y, cx, cy,
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self->fg_color, &draw_rect);
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}
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k++;
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}
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}
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else if (self->mix_mode == 0 &&
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((self->rop & 0xf) == 0x0 || /* black */
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(self->rop & 0xf) == 0xf || /* white */
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(self->rop & 0xf) == 0x5)) /* DSTINVERT */
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{
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k = 0;
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while (xrdp_region_get_rect(region, k, &rect) == 0)
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{
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if (rect_intersect(&rect, &clip_rect, &draw_rect))
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{
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libxrdp_orders_dest_blt(self->session, x, y, cx, cy,
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self->rop, &draw_rect);
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}
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k++;
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}
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}
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else
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{
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k = 0;
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rop = self->rop;
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/* if opcode is in the form 0x00, 0x11, 0x22, ... convert it */
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if (((rop & 0xf0) >> 4) == (rop & 0xf))
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{
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switch (rop)
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{
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case 0x66: /* xor */
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rop = 0x5a;
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break;
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case 0xaa: /* noop */
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rop = 0xfb;
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break;
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case 0xcc: /* copy */
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rop = 0xf0;
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break;
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case 0x88: /* and */
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rop = 0xc0;
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break;
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}
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}
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while (xrdp_region_get_rect(region, k, &rect) == 0)
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{
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if (rect_intersect(&rect, &clip_rect, &draw_rect))
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{
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libxrdp_orders_pat_blt(self->session, x, y, cx, cy,
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rop, self->bg_color, self->fg_color,
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&self->brush, &draw_rect);
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}
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k++;
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}
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}
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xrdp_region_delete(region);
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_draw_text(struct xrdp_painter* self,
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struct xrdp_bitmap* bitmap,
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int x, int y, char* text)
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{
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int i;
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int f;
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int c;
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int k;
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int x1;
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int y1;
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int flags;
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int len;
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int index;
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int total_width;
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int total_height;
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int dx;
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int dy;
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char* data;
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struct xrdp_region* region;
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struct xrdp_rect rect;
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struct xrdp_rect clip_rect;
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struct xrdp_rect draw_rect;
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struct xrdp_font* font;
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struct xrdp_font_char* font_item;
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if (self == 0)
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{
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return 0;
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}
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len = g_strlen(text);
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if (len < 1)
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{
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return 0;
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}
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/* todo data */
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if (bitmap->type == 0)
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{
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return 0;
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}
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xrdp_painter_font_needed(self);
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font = self->font;
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f = 0;
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k = 0;
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total_width = 0;
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total_height = 0;
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data = (char*)g_malloc(len * 4, 1);
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for (index = 0; index < len; index++)
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{
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font_item = font->font_items + (unsigned char)text[index];
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i = xrdp_cache_add_char(self->wm->cache, font_item);
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f = HIWORD(i);
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c = LOWORD(i);
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data[index * 2] = c;
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data[index * 2 + 1] = k;
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k = font_item->incby;
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total_width += k;
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total_height = MAX(total_height, font_item->height);
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}
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xrdp_bitmap_get_screen_clip(bitmap, self, &clip_rect, &dx, &dy);
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region = xrdp_region_create(self->wm);
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xrdp_wm_get_vis_region(self->wm, bitmap, x, y, total_width, total_height,
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region, self->clip_children);
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x += dx;
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y += dy;
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k = 0;
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while (xrdp_region_get_rect(region, k, &rect) == 0)
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{
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if (rect_intersect(&rect, &clip_rect, &draw_rect))
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{
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x1 = x;
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y1 = y + total_height;
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flags = 0x03; /* 0x03 0x73; TEXT2_IMPLICIT_X and something else */
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libxrdp_orders_text(self->session, f, flags, 0,
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font->color, 0,
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x - 1, y - 1, x + total_width, y + total_height,
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0, 0, 0, 0,
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x1, y1, data, len * 2, &draw_rect);
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}
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k++;
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}
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xrdp_region_delete(region);
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g_free(data);
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_draw_text2(struct xrdp_painter* self,
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struct xrdp_bitmap* bitmap,
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int font, int flags, int mixmode,
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int clip_left, int clip_top,
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int clip_right, int clip_bottom,
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int box_left, int box_top,
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int box_right, int box_bottom,
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int x, int y, char* data, int data_len)
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{
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struct xrdp_rect clip_rect;
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struct xrdp_rect draw_rect;
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struct xrdp_rect rect;
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struct xrdp_region* region;
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int k;
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int dx;
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int dy;
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if (self == 0)
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{
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return 0;
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}
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/* todo data */
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if (bitmap->type == WND_TYPE_BITMAP)
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{
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return 0;
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}
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xrdp_bitmap_get_screen_clip(bitmap, self, &clip_rect, &dx, &dy);
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region = xrdp_region_create(self->wm);
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if (box_right - box_left > 1)
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{
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xrdp_wm_get_vis_region(self->wm, bitmap, box_left, box_top,
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box_right - box_left, box_bottom - box_top,
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region, self->clip_children);
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}
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else
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{
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xrdp_wm_get_vis_region(self->wm, bitmap, clip_left, clip_top,
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clip_right - clip_left, clip_bottom - clip_top,
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region, self->clip_children);
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}
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clip_left += dx;
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clip_top += dy;
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clip_right += dx;
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clip_bottom += dy;
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box_left += dx;
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box_top += dy;
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box_right += dx;
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box_bottom += dy;
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x += dx;
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y += dy;
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k = 0;
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while (xrdp_region_get_rect(region, k, &rect) == 0)
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{
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if (rect_intersect(&rect, &clip_rect, &draw_rect))
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{
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libxrdp_orders_text(self->session, font, flags, mixmode,
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self->fg_color, self->bg_color,
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clip_left, clip_top, clip_right, clip_bottom,
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box_left, box_top, box_right, box_bottom,
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x, y, data, data_len, &draw_rect);
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}
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k++;
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}
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xrdp_region_delete(region);
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_painter_copy(struct xrdp_painter* self,
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struct xrdp_bitmap* src,
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struct xrdp_bitmap* dst,
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int x, int y, int cx, int cy,
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int srcx, int srcy)
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{
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struct xrdp_rect clip_rect;
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struct xrdp_rect draw_rect;
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struct xrdp_rect rect1;
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struct xrdp_rect rect2;
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struct xrdp_region* region;
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struct xrdp_bitmap* b;
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int i;
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int j;
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int k;
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int dx;
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int dy;
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int palette_id;
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int bitmap_id;
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int cache_id;
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int cache_idx;
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int dstx;
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int dsty;
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int w;
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int h;
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if (self == 0 || src == 0 || dst == 0)
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{
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return 0;
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}
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/* todo data */
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if (dst->type == WND_TYPE_BITMAP)
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{
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return 0;
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}
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if (src == dst && src->wm->screen == src)
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{
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xrdp_bitmap_get_screen_clip(dst, self, &clip_rect, &dx, &dy);
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region = xrdp_region_create(self->wm);
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xrdp_wm_get_vis_region(self->wm, dst, x, y, cx, cy,
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region, self->clip_children);
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x += dx;
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y += dy;
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srcx += dx;
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srcy += dy;
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k = 0;
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while (xrdp_region_get_rect(region, k, &rect1) == 0)
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{
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if (rect_intersect(&rect1, &clip_rect, &draw_rect))
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{
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libxrdp_orders_screen_blt(self->session, x, y, cx, cy,
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srcx, srcy, self->rop, &draw_rect);
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}
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k++;
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}
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xrdp_region_delete(region);
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}
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else if (src->data != 0)
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/* todo, the non bitmap cache part is gone, it should be put back */
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{
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xrdp_bitmap_get_screen_clip(dst, self, &clip_rect, &dx, &dy);
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region = xrdp_region_create(self->wm);
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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;
|
|
}
|