无法使用QGLWidget编译Qt 我在C++中编写了玛雅插件。然而,每当我想使用QGLWidget时,我都会收到大量vtable错误: Undefined symbols for architecture x86_64: "QGLWidget::paintEvent(QPaintEvent*)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::qt_metacall(QMetaObject::Call, int, void**)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::qt_metacast(char const*)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::resizeEvent(QResizeEvent*)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::paintOverlayGL()", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::resizeOverlayGL(int, int)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::updateOverlayGL()", referenced from: vtable for GLWidget in myOpenGLWindowClass. ...
代码如下:无法使用QGLWidget编译Qt 我在C++中编写了玛雅插件。然而,每当我想使用QGLWidget时,我都会收到大量vtable错误: Undefined symbols for architecture x86_64: "QGLWidget::paintEvent(QPaintEvent*)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::qt_metacall(QMetaObject::Call, int, void**)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::qt_metacast(char const*)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::resizeEvent(QResizeEvent*)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::paintOverlayGL()", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::resizeOverlayGL(int, int)", referenced from: vtable for GLWidget in myOpenGLWindowClass.o "QGLWidget::updateOverlayGL()", referenced from: vtable for GLWidget in myOpenGLWindowClass. ...,c++,qt,maya,vtable,qglwidget,C++,Qt,Maya,Vtable,Qglwidget,代码如下: #include <QtGui/QApplication> #include <QGLWidget> class GLWidget :public QGLWidget { public: GLWidget(QWidget *parent = 0); virtual ~GLWidget(){}; protected: virtual void initializeGL(); virtual void resizeGL( int
#include <QtGui/QApplication>
#include <QGLWidget>
class GLWidget :public QGLWidget
{
public:
GLWidget(QWidget *parent = 0);
virtual ~GLWidget(){};
protected:
virtual void initializeGL();
virtual void resizeGL( int width, int height );
virtual void paintGL();
};
GLWidget::GLWidget(QWidget *parent) : QGLWidget(parent)
{
}
void GLWidget::initializeGL() {
glDisable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_COLOR_MATERIAL);
glEnable(GL_BLEND);
glEnable(GL_POLYGON_SMOOTH);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClearColor(0, 0, 0, 0);
}
void GLWidget::resizeGL(int w, int h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void GLWidget::paintGL()
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1,0,0);
glBegin(GL_POLYGON);
glVertex2f(0,0);
glVertex2f(100,500);
glVertex2f(500,100);
glEnd();
}
#包括
#包括
类GLWidget:publicqglwidget
{
公众:
GLWidget(QWidget*parent=0);
虚拟~GLWidget(){};
受保护的:
虚空初始化egl();
虚拟空隙大小(整型宽度、整型高度);
虚空paintGL();
};
GLWidget::GLWidget(QWidget*父项):QGLWidget(父项)
{
}
void GLWidget::initializeGL(){
glDisable(GL_纹理_2D);
glDisable(GLU深度测试);
glDisable(GL_颜色_材质);
glEnable(GL_混合物);
glEnable(GL_多边形_光滑);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_减去GL_SRC_ALPHA);
glClearColor(0,0,0,0);
}
void GLWidget::resizeGL(int w,int h)
{
glViewport(0,0,w,h);
glMatrixMode(GL_投影);
glLoadIdentity();
glMatrixMode(GLU模型视图);
glLoadIdentity();
}
void GLWidget::paintGL()
{
glClear(GLU颜色缓冲位);
gl3f(1,0,0);
glBegin(GL_多边形);
glVertex2f(0,0);
glVertex2f(100500);
glVertex2f(500100);
格伦德();
}
是否需要在编译中添加库或其他错误?我需要在编译中添加QtOpenGL框架。我需要在编译中添加QtOpenGL框架。请添加您尝试编译的方式(哪个编译器,哪个标志,…)多亏了你的评论,我在汇编中发现了一个缺失的框架(发布了答案)。谢谢请添加您试图编译的方式(哪个编译器,哪个标志,…)感谢您的评论,我在编译中发现了一个缺少的框架(发布了答案)。谢谢如果您切换到使用较新的QOpenGLWidget,它也会工作,因为这只是widgets模块的一部分。如果您切换到使用较新的QOpenGLWidget,它也会工作,因为这只是widgets模块的一部分。