some oganization and macros

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);
+}