diff options
Diffstat (limited to 'xrdp/funcs.c')
-rw-r--r-- | xrdp/funcs.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/xrdp/funcs.c b/xrdp/funcs.c new file mode 100644 index 00000000..4dcc7c06 --- /dev/null +++ b/xrdp/funcs.c @@ -0,0 +1,86 @@ + +/* + 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 + + simple functions + +*/ + +#include "xrdp.h" + +/*****************************************************************************/ +int rect_contains_pt(struct xrdp_rect* in, int x, int y) +{ + if (x < in->left) + return 0; + if (y < in->top) + return 0; + if (x >= in->right) + return 0; + if (y >= in->bottom) + return 0; + return 1; +} + +/*****************************************************************************/ +int rect_intersect(struct xrdp_rect* in1, struct xrdp_rect* in2, + struct xrdp_rect* out) +{ + int rv; + struct xrdp_rect dumby; + + if (out == 0) + out = &dumby; + *out = *in1; + if (in2->left > in1->left) + out->left = in2->left; + if (in2->top > in1->top) + out->top = in2->top; + if (in2->right < in1->right) + out->right = in2->right; + if (in2->bottom < in1->bottom) + out->bottom = in2->bottom; + rv = !ISRECTEMPTY(*out); + if (!rv) + g_memset(out, 0, sizeof(struct xrdp_rect)); + return rv; +} + +/*****************************************************************************/ +int color15(int r, int g, int b) +{ + r = r >> 3; + g = g >> 3; + b = b >> 3; + return (r << 10) | (g << 5) | b; +} + +/*****************************************************************************/ +int color16(int r, int g, int b) +{ + r = r >> 3; + g = g >> 2; + b = b >> 3; + return (r << 11) | (g << 5) | b; +} + +/*****************************************************************************/ +int color24(int r, int g, int b) +{ + return r | (g << 8) | (b << 16); +} |