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