scg3  0.6
scg_utilities.h
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1 
9 /*
10  * Copyright 2014 Volker Ahlers
11  *
12  * Licensed under the Apache License, Version 2.0 (the "License");
13  * you may not use this file except in compliance with the License.
14  * You may obtain a copy of the License at
15  *
16  * http://www.apache.org/licenses/LICENSE-2.0
17  *
18  * Unless required by applicable law or agreed to in writing, software
19  * distributed under the License is distributed on an "AS IS" BASIS,
20  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21  * See the License for the specific language governing permissions and
22  * limitations under the License.
23  */
24 
25 #ifndef SCG_UTILITIES_H_
26 #define SCG_UTILITIES_H_
27 
28 #include <string>
29 #include <vector>
30 #include "scg_glew.h"
31 #include <GLFW/glfw3.h>
32 
33 namespace scg {
34 
35 
39 const float PI = 3.141592654f;
40 
41 
49 int checkGLError();
50 
51 
60 bool isGLContextActive();
61 
62 
70 void getCursorPosPixels(GLFWwindow* window, double& xPixels, double& yPixels);
71 
72 
80 void setCursorPosPixels(GLFWwindow* window, double xPixels, double yPixels);
81 
82 
86 void formatFilePath(std::string& filePath);
87 
88 
96 std::string getFullFileName(const std::vector<std::string>& filePaths, const std::string& fileName);
97 
98 
102 void printUniformBlockInformation(GLuint program, int nMembers, const GLchar** uniformNames);
103 
104 
112 void splitFilePath(const std::string& filePath, std::vector<std::string>& splitPaths);
113 
114 
115 } /* namespace scg */
116 
117 #endif /* SCG_UTILITIES_H_ */
scg::isGLContextActive
bool isGLContextActive()
Check if an active OpenGL context exists.
scg::PI
const float PI
Definition: scg_utilities.h:39
scg::setCursorPosPixels
void setCursorPosPixels(GLFWwindow *window, double xPixels, double yPixels)
Set cursor (mouse pointer) position in pixels, as opposed to screen coordinates.
scg::formatFilePath
void formatFilePath(std::string &filePath)
Replace backslashes by slashes and ensure that the last character is a slash.
scg::splitFilePath
void splitFilePath(const std::string &filePath, std::vector< std::string > &splitPaths)
Split string containing one or more file paths into a vector of single paths.
scg::getCursorPosPixels
void getCursorPosPixels(GLFWwindow *window, double &xPixels, double &yPixels)
Get cursor (mouse pointer) position in pixels, as opposed to screen coordinates.
scg_glew.h
Local header file for GLEW library.
scg::checkGLError
int checkGLError()
Check if an OpenGL error has occured since last call of checkGLError().
scg
Definition: Animation.h:28
scg::printUniformBlockInformation
void printUniformBlockInformation(GLuint program, int nMembers, const GLchar **uniformNames)
Print information about uniform blocks in shaders.
scg::getFullFileName
std::string getFullFileName(const std::vector< std::string > &filePaths, const std::string &fileName)
Try to find file name in a list of file paths.