Windows应用程序-图形绘制

来源：互联网发布：火山移动编程下载编辑：程序博客网时间：2024/06/07 17:13

利用绘图函数创建填充区。共有三个填充图形，第一个是用深灰色画刷填充带圆角的矩形，第二个是采用亮灰色画刷填充一个椭圆型图，第三个是用虚画刷填充饼形图。

然后将上述三个填充图形顺时针旋转90度，显示在原来图形的正下方，边框为蓝色点划线，用绿色水平阴影填充。

MFC绘图

#include <Windows.h>#include <stdlib.h>#include <string.h>long WINAPI WndProc(HWND hWnd, UINT iMessage, UINT Wparam, LONG lParam);BOOL InitWindowsClass(HINSTANCE hInstance);BOOL InitWindows(HINSTANCE hInstance, int nCmdShow);HWND hWndMain;int WINAPI WinMain(HINSTANCE hInstance,                    HINSTANCE hPrevInstance,                    LPSTR IpCmdLine,                    int nCmdShow){MSG Message;if (!InitWindowsClass(hInstance))return FALSE;if (!InitWindows(hInstance, nCmdShow))return FALSE;while (GetMessage(&Message, 0, 0, 0)){TranslateMessage(&Message);DispatchMessage(&Message);}return Message.wParam;}long WINAPI WndProc(HWND hWnd, UINT iMessage, UINT Wparam, LONG lParam){HDC hDC; // 定义指向设备的句柄HBRUSH hBrush; // 定义只指向画刷的句柄HPEN hPen; // 定义指向画笔的句柄PAINTSTRUCT PtStr; //定义指向包含绘图信息的结构体变量switch (iMessage) // 处理消息{case WM_PAINT: // 处理绘图消息hDC = BeginPaint(hWnd, &PtStr);SetMapMode(hDC, MM_ANISOTROPIC); // 设置映像模式hPen = (HPEN)GetStockObject(BLACK_PEN); // 黑色画笔hBrush = (HBRUSH)GetStockObject(DKGRAY_BRUSH); // 画刷SelectObject(hDC, hBrush); // 选择画刷SelectObject(hDC, hPen); // 选择画笔RoundRect(hDC, 50, 120, 100, 200, 15, 15); // 绘制圆角矩形hBrush = (HBRUSH)GetStockObject(LTGRAY_BRUSH); // 采用亮灰色SelectObject(hDC, hBrush);Ellipse(hDC, 150, 50, 200, 150); // 绘制椭圆hBrush = (HBRUSH)GetStockObject(HOLLOW_BRUSH); //虚画刷SelectObject(hDC, hBrush);Pie(hDC, 250, 50, 300, 100, 250, 50, 300, 50); // 绘制饼型hPen = CreatePen(PS_DASHDOT, 3, RGB(0, 0, 255)); // 蓝色点划线hBrush = CreateHatchBrush(HS_HORIZONTAL, RGB(0, 255, 0)); // 绿色水平阴影画刷SelectObject(hDC, hBrush); // 选择画刷SelectObject(hDC, hPen); // 选择画笔RoundRect(hDC, 50, 250, 130, 300, 15, 15); // 旋转90度，绘制圆角矩形Ellipse(hDC, 150, 200, 250, 250); // 绘制旋转90度椭圆Pie(hDC, 250, 150, 300, 200, 300, 150, 300, 200); // 绘制旋转90度饼型EndPaint(hWnd, &PtStr); // 结束绘图return 0;case WM_DESTROY: // 结束应用程序PostQuitMessage(0);return 0;default: // 其他消息处理程序return(DefWindowProc(hWnd, iMessage, Wparam, lParam));}}BOOL InitWindows(HINSTANCE hInstance, int nCmdShow) // 初始化窗口{HWND hWnd;hWnd = CreateWindow("WinFill",                             "绘图",                             WS_OVERLAPPEDWINDOW,                             CW_USEDEFAULT, 0,                             CW_USEDEFAULT, 0,                             NULL, NULL,                             hInstance,                             NULL); // 生成窗口if (!hWnd)return FALSE;hWndMain = hWnd;ShowWindow(hWnd, nCmdShow);//显示窗口UpdateWindow(hWnd);return TRUE;}BOOL InitWindowsClass(HINSTANCE hInstance)//定义窗口类{WNDCLASS WndClass;WndClass.cbClsExtra = 0;WndClass.cbWndExtra = 0;WndClass.hbrBackground = (HBRUSH)(GetStockObject(WHITE_BRUSH));WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);WndClass.hIcon = LoadIcon(NULL, "END");WndClass.hInstance = hInstance;WndClass.lpfnWndProc = WndProc;WndClass.lpszClassName = "WinFill";WndClass.lpszMenuName = NULL;WndClass.style = CS_HREDRAW | CS_VREDRAW;return RegisterClass(&WndClass);}

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