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-rw-r--r--xrdp/funcs.c86
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);
+}