MinGW >> C/C++ >> Painting
Draw Chord
參考資訊:
1. win32
2. petzold
3. tutorial
4. examples_win32
使用方式:
main.c
#include <windows.h> HWND hWin = NULL; WNDPROC defWndProc = NULL; LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { HDC hdc = NULL; HPEN pen = NULL; HBRUSH brush = NULL; PAINTSTRUCT ps = {0}; switch (uMsg) { case WM_CLOSE: DestroyWindow(hWnd); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; case WM_PAINT: hdc = BeginPaint(hWnd, &ps); pen = CreatePen(PS_SOLID, 3, RGB(0xff, 0x00, 0x00)); brush = CreateSolidBrush(RGB(0x00, 0xff, 0x00)); SelectObject(hdc, pen); SelectObject(hdc, brush); Chord(hdc, 10, 10, 200, 200, 0, 0, 200, 100); EndPaint(hWnd, &ps); DeleteObject(pen); DeleteObject(brush); break; } return CallWindowProc(defWndProc, hWnd, uMsg, wParam, lParam); } int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { hWin = CreateWindow(WC_DIALOG, "main", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 300, 300, NULL, NULL, NULL, NULL); defWndProc = (WNDPROC)SetWindowLongPtr(hWin, GWLP_WNDPROC, (long int)WndProc); MSG msg = {0}; while (GetMessage(&msg, NULL, 0, 0)) { DispatchMessage(&msg); } ExitProcess(0); return 0; }
Line 26:畫出一個Arc圖形
編譯、執行
$ i686-w64-mingw32-gcc -mwindows main.c -o main.exe $ wine ./main.exe