win32 透明窗口无边框模版
2024-06-10 15:21:06
直接copy就可以用，主要用于造轮子，
封了一个类
#pragma once
#include <atomic>
#include <windows.h>class SplashWindow
{public:SplashWindow();~SplashWindow();static void globalInit();static void globalUnInit();bool createWnd(void);void adjustWindowSize(int cx,int cy);void setCenterShow();void show(bool show_window = true);void exec();void stop();void update();HWND getHwnd();protected:virtual void onPaintEvent();protected:static LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);void createMemDC(HWND hwnd, int cx, int cy );void deleteMemDC();HWND hwnd_ = NULL;HDC mem_dc_ = NULL;HBITMAP mem_bitmap_= NULL;};//CPP
#include "SplashWindow.h"#include <algorithm>
#include <windows.h>
#include <tchar.h>
#include <gdiplus.h>
#pragma comment(lib,"Gdiplus.lib")ULONG_PTR gdiplusStartupToken;#define SW_CLASS_NAME _T("BaseBaseWin")bool SplashWindow::createWnd(void)
{WNDCLASSEX wincl; /* Data structure for the windowclass *//* The Window structure */wincl.hInstance = GetModuleHandle(NULL);wincl.lpszClassName = SW_CLASS_NAME;//+-69+ wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */wincl.cbSize = sizeof(WNDCLASSEX);/* Use default icon and mouse-pointer */wincl.hIcon = NULL;wincl.hIconSm = NULL;wincl.hCursor = LoadCursor(NULL, IDC_ARROW);wincl.lpszMenuName = NULL; /* No menu */wincl.cbClsExtra = 0; /* No extra bytes after the window class */wincl.cbWndExtra = 0; /* structure or the window instance *//* Use Windows's default colour as the background of the window */wincl.hbrBackground = (HBRUSH)COLOR_BACKGROUND;/* Register the window class, and if it fails quit the program */if (RegisterClassEx(&wincl)){HWND hwnd = CreateWindowEx(WS_EX_LAYERED, /* Extended possibilites for variation */SW_CLASS_NAME, /* classname */_T("QAQSplash"), /* Title Text */WS_POPUP, /* default window */0, /* Windows decides the position */0, /* where the window ends up on the screen */500, /* The programs width */500, /* and height in pixels */NULL, /* The window is a child-window to desktop */NULL, /* No menu */GetModuleHandle(NULL), /* Program Instance handler */this /* No Window Creation data */);if (hwnd)return true;}return false;
}void SplashWindow::setCenterShow() {long scrWidth, scrHeight;RECT rect;scrWidth = GetSystemMetrics(SM_CXSCREEN);scrHeight = GetSystemMetrics(SM_CYSCREEN);GetWindowRect(hwnd_, &rect);SetWindowPos(hwnd_, HWND_TOPMOST, (scrWidth - rect.right) / 2, (scrHeight - rect.bottom) / 2, rect.right - rect.left, rect.bottom - rect.top, SWP_SHOWWINDOW);
}void SplashWindow::adjustWindowSize(int cx, int cy)
{RECT re; ::GetWindowRect(hwnd_, &re);::MoveWindow(hwnd_, re.left, re.top, cx, cy, true);
}void SplashWindow::onPaintEvent()
{HDC dc = GetDC(hwnd_);RECT wndRect;::GetWindowRect(hwnd_, &wndRect);SIZE wndSize = { wndRect.right - wndRect.left,wndRect.bottom - wndRect.top };Gdiplus::Graphics graphics(mem_dc_);//Gdiplus::SolidBrush bru(Gdiplus::Color(255, 255, 0, 0));//Gdiplus::Rect re(0, 0, wndSize.cx, wndSize.cy);//graphics.FillRectangle(&bru, re);graphics.DrawImage(&Gdiplus::Image(L"C:\\BG.PNG"), 0, 0, wndSize.cx, wndSize.cy);POINT ptsrc{ 0,0 };POINT ptDest = { wndRect.left,wndRect.top };BLENDFUNCTION blend = { AC_SRC_OVER, 0, (BYTE)(255.0), AC_SRC_ALPHA };UpdateLayeredWindow(hwnd_, dc, &ptDest, &wndSize, mem_dc_, &ptsrc, 0, &blend, ULW_ALPHA);::ReleaseDC(hwnd_, dc);
}LRESULT CALLBACK SplashWindow::WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{SplashWindow * target_obj= (SplashWindow *)GetWindowLongPtr(hwnd, GWLP_USERDATA);switch (message) /* handle the messages */{case WM_NCCREATE:{SplashWindow* remote = (SplashWindow*)((CREATESTRUCT*)lParam)->lpCreateParams;SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)remote);remote->hwnd_ = hwnd;}break;case WM_NCDESTROY:{target_obj->hwnd_ = NULL;SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)NULL);PostQuitMessage(0); /* send a WM_QUIT to the message queue */}break;case WM_CREATE:{}break;case WM_DESTROY:{}break;case WM_SIZE:{if(target_obj){int nW = LOWORD(lParam);int nH = HIWORD(lParam);target_obj->createMemDC(hwnd, nW , nH);target_obj->update();}}break;case WM_PAINT:{}break;default: /* for messages that we don't deal with */return DefWindowProc(hwnd, message, wParam, lParam);}return DefWindowProc(hwnd, message, wParam, lParam);
}SplashWindow::SplashWindow()
{}SplashWindow::~SplashWindow()
{}void SplashWindow::globalInit()
{Gdiplus::GdiplusStartupInput gdiInput;Gdiplus::GdiplusStartup(&gdiplusStartupToken, &gdiInput, NULL);
}void SplashWindow::globalUnInit()
{Gdiplus::GdiplusShutdown(gdiplusStartupToken);
}void SplashWindow::show(bool show_window)
{ShowWindow(hwnd_ ,show_window? SW_SHOW :SW_HIDE);}void SplashWindow::exec()
{MSG messages;while (GetMessage(&messages, NULL, 0, 0)){TranslateMessage(&messages);DispatchMessage(&messages);}}void SplashWindow::stop()
{PostMessage(hwnd_, WM_CLOSE, 0, 0);
}void SplashWindow::update()
{onPaintEvent();
}HWND SplashWindow::getHwnd()
{return hwnd_;
}void SplashWindow::createMemDC(HWND hwnd, int cx, int cy)
{deleteMemDC();HDC dc = GetDC(hwnd);mem_dc_ = ::CreateCompatibleDC(dc);BITMAPINFO bitmapinfo;bitmapinfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);bitmapinfo.bmiHeader.biBitCount = 32;bitmapinfo.bmiHeader.biHeight = cy;bitmapinfo.bmiHeader.biWidth = cx;bitmapinfo.bmiHeader.biPlanes = 1;bitmapinfo.bmiHeader.biCompression = BI_RGB;bitmapinfo.bmiHeader.biXPelsPerMeter = 0;bitmapinfo.bmiHeader.biYPelsPerMeter = 0;bitmapinfo.bmiHeader.biClrUsed = 0;bitmapinfo.bmiHeader.biClrImportant = 0;bitmapinfo.bmiHeader.biSizeImage =bitmapinfo.bmiHeader.biWidth * bitmapinfo.bmiHeader.biHeight *bitmapinfo.bmiHeader.biBitCount / 8;mem_bitmap_ = ::CreateDIBSection(mem_dc_, &bitmapinfo, 0, NULL, 0, 0);SelectObject(mem_dc_, mem_bitmap_);ReleaseDC(hwnd, dc);
}void SplashWindow::deleteMemDC()
{::DeleteDC(mem_dc_);::DeleteObject(mem_bitmap_);mem_dc_ = NULL;mem_bitmap_ = NULL;
}use it
SplashWindow window;
window.adjustWindowSize(125, 125);
window.setCenterShow();
window.show();
window.exec();
//WS_EX_LAYERED + CreateDIBSection + UpdateLayeredWindow，首选这种方式！！
#include <windows.h>
#include <gdiplus.h>
#pragma comment(lib,"Gdiplus.lib")ULONG_PTR gdiplusStartupToken;
LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM);char szClassName[] = "YUIDialog";int WINAPI WinMain(HINSTANCE hThisInstance,HINSTANCE hPrevInstance,LPSTR lpszArgument,int nCmdShow)
{Gdiplus::GdiplusStartupInput gdiInput;Gdiplus::GdiplusStartup(&gdiplusStartupToken, &gdiInput, NULL);WNDCLASSEX wincl; /* Data structure for the windowclass *//* The Window structure */wincl.hInstance = hThisInstance;wincl.lpszClassName = szClassName;//+-69+ wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */wincl.style = CS_DBLCLKS; /* Catch double-clicks */wincl.cbSize = sizeof(WNDCLASSEX);/* Use default icon and mouse-pointer */wincl.hIcon = LoadIcon(NULL, IDI_APPLICATION);wincl.hIconSm = LoadIcon(NULL, IDI_APPLICATION);wincl.hCursor = LoadCursor(NULL, IDC_ARROW);wincl.lpszMenuName = NULL; /* No menu */wincl.cbClsExtra = 0; /* No extra bytes after the window class */wincl.cbWndExtra = 0; /* structure or the window instance *//* Use Windows's default colour as the background of the window */wincl.hbrBackground = (HBRUSH)COLOR_BACKGROUND;/* Register the window class, and if it fails quit the program */if (!RegisterClassEx(&wincl))return 0;/* The class is registered, let's create the program*/HWND hwnd = CreateWindowEx(WS_EX_LAYERED, /* Extended possibilites for variation */szClassName, /* Classname */"Title", /* Title Text */WS_POPUP, /* default window */500, /* Windows decides the position */300, /* where the window ends up on the screen */500, /* The programs width */500, /* and height in pixels */NULL, /* The window is a child-window to desktop */NULL, /* No menu */hThisInstance, /* Program Instance handler */NULL /* No Window Creation data */);ShowWindow(hwnd, nCmdShow);MSG messages;while (GetMessage(&messages, NULL, 0, 0)){TranslateMessage(&messages);DispatchMessage(&messages);}Gdiplus::GdiplusShutdown(gdiplusStartupToken);return messages.wParam;
}HDC g_memDC = NULL;
HBITMAP g_memBitmap = NULL;
void copyToCurDC(HWND hwnd)
{HDC dc = GetDC(hwnd);RECT wndRect;::GetWindowRect(hwnd, &wndRect);SIZE wndSize = { wndRect.right - wndRect.left,wndRect.bottom - wndRect.top };Gdiplus::Graphics graphics(g_memDC);Gdiplus::SolidBrush bru(Gdiplus::Color(255, 255, 0, 0));Gdiplus::Rect re(0, 0, wndSize.cx, wndSize.cy);graphics.FillRectangle(&bru, re);graphics.DrawImage(&Gdiplus::Image(L"C:\\BG.PNG"), 0, 0, wndSize.cx, wndSize.cy);//g_memDC;POINT ptDest = { wndRect.left,wndRect.top };BLENDFUNCTION blend = { AC_SRC_OVER, 0, (BYTE)(255.0), AC_SRC_ALPHA };UpdateLayeredWindow(hwnd, dc, &ptDest, &wndSize, g_memDC, &POINT{ 0,0 }, 0, &blend, ULW_ALPHA);::ReleaseDC(hwnd,dc);
}LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{switch (message) /* handle the messages */{case WM_CREATE:{//::SetLayeredWindowAttributes(hwnd, RGB(0, 0, 0), 255, LWA_ALPHA);}break;case WM_SIZE:{::DeleteDC(g_memDC);::DeleteObject(g_memBitmap);int nW = LOWORD(lParam);int nH = HIWORD(lParam);HDC dc = GetDC(hwnd);g_memDC = ::CreateCompatibleDC(dc);BITMAPINFO bitmapinfo;bitmapinfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);bitmapinfo.bmiHeader.biBitCount = 32;bitmapinfo.bmiHeader.biHeight = nH;bitmapinfo.bmiHeader.biWidth = nW;bitmapinfo.bmiHeader.biPlanes = 1;bitmapinfo.bmiHeader.biCompression = BI_RGB;bitmapinfo.bmiHeader.biXPelsPerMeter = 0;bitmapinfo.bmiHeader.biYPelsPerMeter = 0;bitmapinfo.bmiHeader.biClrUsed = 0;bitmapinfo.bmiHeader.biClrImportant = 0;bitmapinfo.bmiHeader.biSizeImage =bitmapinfo.bmiHeader.biWidth * bitmapinfo.bmiHeader.biHeight *bitmapinfo.bmiHeader.biBitCount / 8;g_memBitmap = ::CreateDIBSection(g_memDC, &bitmapinfo, 0, NULL, 0, 0);SelectObject(g_memDC, g_memBitmap);ReleaseDC(hwnd, dc);copyToCurDC(hwnd);}break;case WM_DESTROY:PostQuitMessage(0); /* send a WM_QUIT to the message queue */break;case WM_LBUTTONDOWN:::SendMessage(hwnd, WM_NCLBUTTONDOWN, HTCAPTION, 0);break;default: /* for messages that we don't deal with */return DefWindowProc(hwnd, message, wParam, lParam);}return 0;
}
//使用 WS_EX_LAYERED+UpdateLayeredWindow方式实现
#include <windows.h>
#include <gdiplus.h>
#include <windowsx.h>
#pragma comment(lib,"Gdiplus.lib")ULONG_PTR gdiplusStartupToken;LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM);char szClassName[] = "YUIDialog";int WINAPI WinMain(HINSTANCE hThisInstance,HINSTANCE hPrevInstance,LPSTR lpszArgument,int nCmdShow)
{Gdiplus::GdiplusStartupInput gdiInput;Gdiplus::GdiplusStartup(&gdiplusStartupToken, &gdiInput, NULL);WNDCLASSEX wincl; /* Data structure for the windowclass *//* The Window structure */wincl.hInstance = hThisInstance;wincl.lpszClassName = szClassName;//+-69+ wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */wincl.style = CS_DBLCLKS; /* Catch double-clicks */wincl.cbSize = sizeof(WNDCLASSEX);/* Use default icon and mouse-pointer */wincl.hIcon = LoadIcon(NULL, IDI_APPLICATION);wincl.hIconSm = LoadIcon(NULL, IDI_APPLICATION);wincl.hCursor = LoadCursor(NULL, IDC_ARROW);wincl.lpszMenuName = NULL; /* No menu */wincl.cbClsExtra = 0; /* No extra bytes after the window class */wincl.cbWndExtra = 0; /* structure or the window instance *//* Use Windows's default colour as the background of the window */wincl.hbrBackground = (HBRUSH)COLOR_BACKGROUND;/* Register the window class, and if it fails quit the program */if (!RegisterClassEx(&wincl))return 0;/* The class is registered, let's create the program*/HWND hwnd = CreateWindowEx(WS_EX_LAYERED, /* Extended possibilites for variation */szClassName, /* Classname */"Title", /* Title Text */WS_POPUP, /* default window */500, /* Windows decides the position */300, /* where the window ends up on the screen */500, /* The programs width */500, /* and height in pixels */NULL, /* The window is a child-window to desktop */NULL, /* No menu */hThisInstance, /* Program Instance handler */NULL /* No Window Creation data */);ShowWindow(hwnd, nCmdShow);MSG messages;while (GetMessage(&messages, NULL, 0, 0)){/* Translate virtual-key messages into character messages */TranslateMessage(&messages);/* Send message to WindowProcedure */DispatchMessage(&messages);}Gdiplus::GdiplusShutdown(gdiplusStartupToken);/* The program return-value is 0 - The value that PostQuitMessage() gave */return messages.wParam;
}/* This function is called by the Windows function DispatchMessage() */
HDC g_memDC = NULL;
HBITMAP g_memBitmap = NULL;
LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{switch (message) /* handle the messages */{case WM_SIZE:{::DeleteDC(g_memDC);::DeleteObject(g_memBitmap);int nW = LOWORD(lParam);int nH = HIWORD(lParam);HDC dc = GetDC(hwnd);g_memDC = ::CreateCompatibleDC(dc);g_memBitmap = ::CreateCompatibleBitmap(dc, nW, nH);::SelectObject(g_memDC, g_memBitmap);ReleaseDC(hwnd, dc);PostMessage(hwnd, WM_PAINT, NULL, NULL);}break;case WM_ERASEBKGND:return 1;case WM_PAINT:{PAINTSTRUCT ps;HDC dc = BeginPaint(hwnd, &ps);RECT wndRect = ps.rcPaint;if (wndRect.bottom == wndRect.top && wndRect.right == wndRect.left){::GetWindowRect(hwnd, &wndRect);}SIZE wndSize = { wndRect.right - wndRect.left,wndRect.bottom - wndRect.top };Gdiplus::Graphics graphics(g_memDC);Gdiplus::SolidBrush bru(Gdiplus::Color(255,0,255,0));Gdiplus::Rect re(0,0,wndSize.cx,wndSize.cy);//graphics.FillRectangle(&bru,re);graphics.DrawImage(&Gdiplus::Image(L"C:\\BG.PNG"), 0, 0, wndSize.cx, wndSize.cy);HBRUSH hBrush = CreateSolidBrush(RGB(0, 0, 0)); //2SelectObject(g_memDC, hBrush); //3Rectangle(g_memDC, 140, 140, 300, 300); //4POINT ptDest = { wndRect.left,wndRect.top };BLENDFUNCTION blendFunction;blendFunction.AlphaFormat = AC_SRC_ALPHA;blendFunction.BlendFlags = 0;blendFunction.BlendOp = AC_SRC_OVER;blendFunction.SourceConstantAlpha = 255;UpdateLayeredWindow(hwnd, dc, &ptDest, &wndSize, g_memDC, &POINT{ 0,0 }, 0, &blendFunction, ULW_ALPHA| ULW_COLORKEY);EndPaint(hwnd, &ps);}break;case WM_DESTROY:PostQuitMessage(0); /* send a WM_QUIT to the message queue */break;case WM_LBUTTONDOWN:::SendMessage(hwnd, WM_NCLBUTTONDOWN, HTCAPTION, 0);break;default: /* for messages that we don't deal with */return DefWindowProc(hwnd, message, wParam, lParam);}return 0;
}
//opengl 透明
#define _WIN32_WINNT 0x0500#include <windows.h>
#include <windowsx.h>
#include <GL/gl.h>
#include <GL/glu.h>#include <dwmapi.h>#pragma comment (lib, "opengl32.lib")
#pragma comment (lib, "glu32.lib")#pragma comment (lib, "dwmapi.lib")#include <assert.h>
#include <tchar.h>#ifdef assert
#define verify(expr) if(!expr) assert(0)
#else verify(expr) expr
#endifconst TCHAR szAppName[]=_T("TransparentGL");
const TCHAR wcWndName[]=_T("TransparentGL");HDC hDC;
HGLRC m_hrc;
int w = 240;
int h = 240;BOOL initSC() {glEnable(GL_ALPHA_TEST); glEnable(GL_DEPTH_TEST); glEnable(GL_COLOR_MATERIAL);glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);glClearColor(0, 0, 0, 0);return 0;
}void resizeSC(int width,int height) {glViewport(0,0,width,height);glMatrixMode(GL_PROJECTION);glLoadIdentity();glMatrixMode(GL_MODELVIEW );glLoadIdentity();
}BOOL renderSC() {glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );glPushMatrix();glColor3f(0, 1, 1);glBegin(GL_TRIANGLES); // Drawing Using TrianglesglColor3f(1.0f,0.0f,0.0f); // Set The Color To RedglVertex3f( 0.0f, 1.0f, 0.0f); // TopglColor3f(0.0f,1.0f,0.0f); // Set The Color To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom LeftglColor3f(0.0f,0.0f,1.0f); // Set The Color To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom RightglEnd();glPopMatrix();glFlush();return 0;
}BOOL CreateHGLRC(HWND hWnd) {PIXELFORMATDESCRIPTOR pfd = {sizeof(PIXELFORMATDESCRIPTOR),1, // Version NumberPFD_DRAW_TO_WINDOW | // Format Must Support WindowPFD_SUPPORT_OPENGL | // Format Must Support OpenGLPFD_SUPPORT_COMPOSITION | // Format Must Support CompositionPFD_DOUBLEBUFFER, // Must Support Double BufferingPFD_TYPE_RGBA, // Request An RGBA Format32, // Select Our Color Depth0, 0, 0, 0, 0, 0, // Color Bits Ignored8, // An Alpha Buffer0, // Shift Bit Ignored0, // No Accumulation Buffer0, 0, 0, 0, // Accumulation Bits Ignored24, // 16Bit Z-Buffer (Depth Buffer)8, // Some Stencil Buffer0, // No Auxiliary BufferPFD_MAIN_PLANE, // Main Drawing Layer0, // Reserved0, 0, 0 // Layer Masks Ignored}; HDC hdc = GetDC(hWnd);int PixelFormat = ChoosePixelFormat(hdc, &pfd);if (PixelFormat == 0) {assert(0);return FALSE ;}BOOL bResult = SetPixelFormat(hdc, PixelFormat, &pfd);if (bResult==FALSE) {assert(0);return FALSE ;}m_hrc = wglCreateContext(hdc);if (!m_hrc){assert(0);return FALSE;}ReleaseDC(hWnd, hdc);return TRUE;
}LRESULT CALLBACK WindowFunc(HWND hWnd,UINT msg, WPARAM wParam, LPARAM lParam) {PAINTSTRUCT ps;switch(msg) {case WM_CREATE:break;case WM_DESTROY:if(m_hrc) {wglMakeCurrent(NULL, NULL);wglDeleteContext(m_hrc) ;}PostQuitMessage(0) ;break;default: return DefWindowProc(hWnd,msg,wParam,lParam);}return 0;
}int WINAPI _tWinMain(HINSTANCE hThisInst, HINSTANCE hPrevInst, LPSTR str,int nWinMode) {WNDCLASSEX wc;memset(&wc, 0, sizeof(wc));wc.cbSize = sizeof(WNDCLASSEX);wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);wc.style = CS_HREDRAW | CS_VREDRAW;wc.lpfnWndProc = (WNDPROC)WindowFunc;wc.cbClsExtra = 0;wc.cbWndExtra = 0;wc.hInstance = hThisInst;wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);wc.hCursor = LoadCursor(NULL, IDC_ARROW);wc.hbrBackground = (HBRUSH)CreateSolidBrush(0x00000000);wc.lpszClassName = szAppName;if(!RegisterClassEx(&wc)) {MessageBox(NULL, _T("RegisterClassEx - failed"), _T("Error"), MB_OK | MB_ICONERROR);return FALSE;}HWND hWnd = CreateWindowEx(WS_EX_APPWINDOW, szAppName, wcWndName,WS_VISIBLE | WS_POPUP, 200, 150, w, h,NULL, NULL, hThisInst, NULL);if(!hWnd) {MessageBox(NULL, _T("CreateWindowEx - failed"), _T("Error"), MB_OK | MB_ICONERROR);return FALSE;}DWM_BLURBEHIND bb = {0};HRGN hRgn = CreateRectRgn(0, 0, -1, -1);bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;bb.hRgnBlur = hRgn;bb.fEnable = TRUE;DwmEnableBlurBehindWindow(hWnd, &bb);CreateHGLRC(hWnd);HDC hdc = GetDC(hWnd);wglMakeCurrent(hdc, m_hrc);initSC();resizeSC(w, h);ReleaseDC(hWnd, hdc);MSG msg; while(1) {if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {if (msg.message == WM_QUIT)break;TranslateMessage(&msg);DispatchMessage(&msg);}else {HDC hdc = GetDC(hWnd);wglMakeCurrent(hdc, m_hrc);renderSC();SwapBuffers(hdc);ReleaseDC(hWnd, hdc);}} return (FALSE);
}
最终效果：
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