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87 lines
2.2 KiB
87 lines
2.2 KiB
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/*
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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
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simple functions
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*/
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#include "xrdp.h"
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/*****************************************************************************/
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int rect_contains_pt(struct xrdp_rect* in, int x, int y)
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{
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if (x < in->left)
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return 0;
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if (y < in->top)
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return 0;
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if (x >= in->right)
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return 0;
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if (y >= in->bottom)
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return 0;
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return 1;
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}
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/*****************************************************************************/
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int rect_intersect(struct xrdp_rect* in1, struct xrdp_rect* in2,
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struct xrdp_rect* out)
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{
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int rv;
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struct xrdp_rect dumby;
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if (out == 0)
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out = &dumby;
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*out = *in1;
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if (in2->left > in1->left)
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out->left = in2->left;
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if (in2->top > in1->top)
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out->top = in2->top;
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if (in2->right < in1->right)
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out->right = in2->right;
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if (in2->bottom < in1->bottom)
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out->bottom = in2->bottom;
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rv = !ISRECTEMPTY(*out);
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if (!rv)
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g_memset(out, 0, sizeof(struct xrdp_rect));
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return rv;
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}
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/*****************************************************************************/
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int color15(int r, int g, int b)
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{
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r = r >> 3;
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g = g >> 3;
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b = b >> 3;
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return (r << 10) | (g << 5) | b;
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}
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/*****************************************************************************/
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int color16(int r, int g, int b)
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{
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r = r >> 3;
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g = g >> 2;
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b = b >> 3;
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return (r << 11) | (g << 5) | b;
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}
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/*****************************************************************************/
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int color24(int r, int g, int b)
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{
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return r | (g << 8) | (b << 16);
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}
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