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[scilab.git] / scilab / modules / graphics / help / en_US / alufunctions.xml
1 <?xml version="1.0" encoding="UTF-8"?>
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13 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org"  xml:lang="en" xml:id="alufunctions">
14     <refnamediv>
15         <refname>alufunctions</refname>
16         <refpurpose>
17             pixel drawing functions. <emphasis role="bold">This function is obsolete.</emphasis>
18         </refpurpose>
19     </refnamediv>
20     <refsection>
21         <title>Description</title>
22         <para>
23             src is the source ie the "value of the pixel" which we want to draw.
24             dst is the destination ie "value of the pixel" which is already drawn.
25         </para>
26         <variablelist>
27             <varlistentry>
28                 <term>0</term>
29                 <listitem>
30                     <para>clear ie "0"</para>
31                 </listitem>
32             </varlistentry>
33             <varlistentry>
34                 <term>1</term>
35                 <listitem>
36                     <para>and ie "src AND dst"</para>
37                 </listitem>
38             </varlistentry>
39             <varlistentry>
40                 <term>2</term>
41                 <listitem>
42                     <para>and reverse ie "src AND NOT dst"</para>
43                 </listitem>
44             </varlistentry>
45             <varlistentry>
46                 <term>3</term>
47                 <listitem>
48                     <para>copy ie "src"</para>
49                 </listitem>
50             </varlistentry>
51             <varlistentry>
52                 <term>4</term>
53                 <listitem>
54                     <para>and inverted ie "(NOT src) AND dst"</para>
55                 </listitem>
56             </varlistentry>
57             <varlistentry>
58                 <term>5</term>
59                 <listitem>
60                     <para>noop ie "dst"</para>
61                 </listitem>
62             </varlistentry>
63             <varlistentry>
64                 <term>6</term>
65                 <listitem>
66                     <para>xor ie "src XOR dst"</para>
67                 </listitem>
68             </varlistentry>
69             <varlistentry>
70                 <term>7</term>
71                 <listitem>
72                     <para>or ie "src OR dst"</para>
73                 </listitem>
74             </varlistentry>
75             <varlistentry>
76                 <term>8</term>
77                 <listitem>
78                     <para>nor ie "(NOT src) AND (NOT dst)"</para>
79                 </listitem>
80             </varlistentry>
81             <varlistentry>
82                 <term>9</term>
83                 <listitem>
84                     <para>equiv ie "(NOT src) XOR dst"</para>
85                 </listitem>
86             </varlistentry>
87             <varlistentry>
88                 <term>10</term>
89                 <listitem>
90                     <para>invert ie "NOT dst"</para>
91                 </listitem>
92             </varlistentry>
93             <varlistentry>
94                 <term>11</term>
95                 <listitem>
96                     <para>or reverse ie "src OR (NOT dst)"</para>
97                 </listitem>
98             </varlistentry>
99             <varlistentry>
100                 <term>12</term>
101                 <listitem>
102                     <para>copy inverted ie "NOT src"</para>
103                 </listitem>
104             </varlistentry>
105             <varlistentry>
106                 <term>13</term>
107                 <listitem>
108                     <para>or inverted ie "(NOT src) OR dst"</para>
109                 </listitem>
110             </varlistentry>
111             <varlistentry>
112                 <term>14</term>
113                 <listitem>
114                     <para>nand ie "(NOT src) OR (NOT dst)"</para>
115                 </listitem>
116             </varlistentry>
117             <varlistentry>
118                 <term>15</term>
119                 <listitem>
120                     <para>set ie "1"</para>
121                 </listitem>
122             </varlistentry>
123         </variablelist>
124     </refsection>
125 </refentry>