-2
我希望有一个窗口标题,每当窗口被调整大小时都会自动更新。它应该是一个格式,使标题显示为 窗口大小 - [宽度] x [高度] 但结果我得到一个标题,显示_alloca已损坏。当调整大小时在标题中更新窗口尺寸
int main(void)
{
GLFWwindow *window = NULL; //initialise window with pointer to GLFW handle
glfwSetErrorCallback(error_callback);
//initialise GLFW
if (!glfwInit())
{
//if failed to initialise GLFW
exit(EXIT_FAILURE);
}
//minimum OpenGL version 3.3
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
//create the window here
window = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Window Size - " + WINDOW_WIDTH + "x" + WINDOW_HEIGHT, NULL, NULL);
//if window fail, terminate GLFW
if (window == NULL)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window); // set window context as the current context
glfwSwapInterval(1); // swap buffer interval
// initialise GLEW
if (glewInit() != GLEW_OK)
{
// if failed to initialise GLEW
cerr << "GLEW initialisation failed" << endl;
exit(EXIT_FAILURE);
}
//set key callback function
glfwSetKeyCallback(window, key_callback);
//render loop
while (!glfwWindowShouldClose(window))
{
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window); //swap buffers
glfwPollEvents(); //poll for events
}
//close window, terminate GLFW
glfwDestroyWindow(window);
glfwTerminate();
exit(EXIT_SUCCESS);
}
而不只是反对投票至少我可以知道那是什么,我已经做了错误。谢谢 – Monomoni
这里有一个问题:''窗口大小 - “+ WINDOW_WIDTH +”x“+ WINDOW_HEIGHT'这不是合法的C++。你的编译器应该给你一个错误。 –
@NicolBolas:假设'WINDOW_WIDTH'类似于'#define WINDOW_WIDTH 300',这个编译非常好(在VS2013上测试)。由于第一部分是一个'const char *',因此可以向它添加一个整数(指针算术)。 – BDL