xref: /trunk/main/basebmp/inc/basebmp/drawmodes.hxx (revision 48cdb363)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #ifndef INCLUDED_BASEBMP_DRAWMODES_HXX
25 #define INCLUDED_BASEBMP_DRAWMODES_HXX
26 
27 /* Definition of Draw modes */
28 
29 namespace basebmp
30 {
31     enum DrawMode
32     {
33         /** Default draw mode, which simply renders pixel in the
34             requested color
35          */
36         DrawMode_PAINT,
37 
38         /** XOR draw mode, which XORs each existing pixel value with
39             the new color.
40 
41             The result of this XOR operation strongly depends on the
42             underlying pixel format, as it is defined by the bitwise
43             XOR of the (potentially palette-looked-up) color value and
44             the existing pixel content (being it true color or a
45             palette index).
46          */
47         DrawMode_XOR
48     };
49 }
50 
51 #endif /* INCLUDED_BASEBMP_DRAWMODES_HXX */
52