mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-07-20 06:06:52 -06:00
112 lines
2.2 KiB
C++
112 lines
2.2 KiB
C++
#include "GLCtrl.h"
|
|
|
|
NAMESPACE_UPP
|
|
|
|
#ifdef PLATFORM_WIN32
|
|
|
|
#pragma comment( lib, "opengl32.lib" ) // Search For OpenGL32.lib While Linking
|
|
#pragma comment( lib, "glu32.lib" ) // Search For GLu32.lib While Linking
|
|
|
|
GLCtrl::GLCtrl()
|
|
{
|
|
hDC = NULL;
|
|
hRC = NULL;
|
|
}
|
|
|
|
GLCtrl::~GLCtrl()
|
|
{
|
|
CloseGL();
|
|
}
|
|
|
|
void GLCtrl::OpenGL()
|
|
{
|
|
HWND hwnd = GetHWND();
|
|
if(!hwnd)
|
|
return;
|
|
hDC = ::GetDC(hwnd);
|
|
if(!hDC)
|
|
return;
|
|
PIXELFORMATDESCRIPTOR pfd;
|
|
memset(&pfd, 0, sizeof(pfd));
|
|
pfd.nSize = sizeof(pfd);
|
|
pfd.nVersion = 1;
|
|
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | 0x00008000;
|
|
pfd.iPixelType = PFD_TYPE_RGBA;
|
|
pfd.cColorBits = 32;
|
|
pfd.cDepthBits = 32;
|
|
pfd.iLayerType = PFD_MAIN_PLANE;
|
|
int pf = ChoosePixelFormat(hDC, &pfd);
|
|
if(!pf) {
|
|
CloseGL();
|
|
return;
|
|
}
|
|
if(!SetPixelFormat(hDC, pf, &pfd)) {
|
|
CloseGL();
|
|
return;
|
|
}
|
|
DescribePixelFormat(hDC, pf, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
|
|
hRC = wglCreateContext(hDC);
|
|
}
|
|
|
|
void GLCtrl::CloseGL()
|
|
{
|
|
if(hRC)
|
|
wglDeleteContext(hRC);
|
|
if(hDC)
|
|
ReleaseDC(GetHWND(), hDC);
|
|
}
|
|
|
|
void GLCtrl::State(int reason)
|
|
{
|
|
if(reason == CLOSE)
|
|
CloseGL();
|
|
DHCtrl::State(reason);
|
|
if(reason == OPEN)
|
|
OpenGL();
|
|
}
|
|
|
|
void GLCtrl::GLPaint()
|
|
{
|
|
WhenGLPaint();
|
|
}
|
|
|
|
void GLCtrl::StdView()
|
|
{
|
|
glShadeModel(GL_SMOOTH);
|
|
glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
|
|
glClearDepth(1.0f);
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_LEQUAL);
|
|
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
|
|
|
|
Size sz = GetSize();
|
|
glViewport(0, 0, (GLsizei)sz.cx, (GLsizei)sz.cy);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
gluPerspective(45.0f, (GLfloat)(sz.cx)/(GLfloat)(sz.cy), 1.0f, 100.0f);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
}
|
|
|
|
LRESULT GLCtrl::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
if(message == WM_PAINT && hDC && hRC) {
|
|
wglMakeCurrent(hDC, hRC);
|
|
GLPaint();
|
|
glFlush();
|
|
glFinish();
|
|
SwapBuffers(hDC);
|
|
wglMakeCurrent(NULL, NULL);
|
|
PAINTSTRUCT ps;
|
|
BeginPaint(GetHWND(), &ps);
|
|
EndPaint(GetHWND(), &ps);
|
|
return 0;
|
|
}
|
|
if(message == WM_ERASEBKGND)
|
|
return 1;
|
|
return DHCtrl::WindowProc(message, wParam, lParam);
|
|
}
|
|
|
|
#endif
|
|
|
|
END_UPP_NAMESPACE
|