|
ture
windowClass.cbSize = sizeof(WNDCLASSEX);
windowClass.style = CS_HREDRAW | CS_VREDRAW;
windowClass.lpfnWndProc = MainWindowProc; //当窗体触发任何一个事件时，便会调用该函数
windowClass.cbClsExtra = 0;
windowClass.cbWndExtra = 0;
windowClass.hInstance = hInstance;
windowClass.hIcon = LoadIcon(NULL, IDI_APPLICATION); // default icon
windowClass.hCursor = LoadCursor(NULL, IDC_ARROW); // default arrow
windowClass.hbrBackground = NULL; // don't need background
windowClass.lpszMenuName = NULL; // no menu
windowClass.lpszClassName = L"Windows API";
windowClass.hIconSm = LoadIcon(NULL, IDI_WINLOGO); // windows logo small icon
// register the windows class
if (!RegisterClassEx(&windowClass)) {
puts("Register Class Failed");
}
dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE; // Window Extended Style
dwStyle = WS_OVERLAPPEDWINDOW; // Windows Style
AdjustWindowRectEx(&windowRect, dwStyle, FALSE, dwExStyle); // Adjust Window To True Requested Size
// class registered, so now create our window
hwnd = CreateWindowEx(NULL, // extended style
L"Windows API", // class name
L"OpenGL", // app name
dwStyle | WS_CLIPCHILDREN |
WS_CLIPSIBLINGS,
0, 0, // x,y coordinate
windowRect.right - windowRect.left,
windowRect.bottom - windowRect.top, // width, height
NULL, // handle to parent
NULL, // handle to menu
hInstance, // application instance
NULL); // no extra params
ShowWindow(hwnd, SW_SHOW); // display the window
UpdateWindow(hwnd); // update the window
hDC = GetDC(hwnd);
glContext.Setup(hwnd,hDC);
}
LRESULT CALLBACK MainWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
int height, width;
// dispatch messages
switch (uMsg)
{
case WM_CREATE: // window creation
break;
case WM_DESTROY: // window destroy
case WM_QUIT:
CloseWindow(hWnd);
break;
case WM_CLOSE: // windows is closing
// deselect rendering context and delete it
//wglMakeCurrent(hDC, NULL);
//wglDeleteContext(hRC);
// send WM_QUIT to message queue
PostQuitMessage(0);
break;
case WM_SIZE:
height = HIWORD(lParam); // retrieve width and height
width = LOWORD(lParam);
break;
case WM_ACTIVATEAPP: // activate app
break;
case WM_PAINT: // paint
PAINTSTRUCT ps;
BeginPaint(hWnd, &ps);
EndPaint(hWnd, &ps);
break;
case WM_LBUTTONDOWN: // left mouse button
break;
case WM_RBUTTONDOWN: // right mouse button
break;
case WM_MOUSEMOVE: // mouse movement
break;
case WM_LBUTTONUP: // left button release
break;
case WM_RBUTTONUP: // right button release
break;
case WM_KEYUP:
break;
case WM_KEYDOWN:
int fwKeys;
LPARAM keyData;
fwKeys = (int)wParam; // virtual-key code
keyData = lParam; // key data
switch (fwKeys)
{
case VK_ESCAPE:
PostQuitMessage(0);
break;
default:
break;
}
break;
default:
break;
}
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
void GLWindow::Run() {
while (true)
{
(*Display)();
SwapBuffers(hDC);
while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
{
if (!GetMessage(&msg, NULL, 0, 0))
{
exiting = true;
break;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
主函数调用代码示例：
#include <Windows.h>
#include <cameras/phc.h>
#inclu |