aux程序

#include <windows.h> // Standard Window header required for all programs
#include <stdio.h>
#include <GL\gl.h> // OpenGL functions
#include <GL\glaux.h> // AUX Library functions
#include <iostream>

// Initial square position and size
GLfloat x = 100.0f;
GLfloat y = 150.0f;
GLsizei rsize = 50;

// Step size in x and y directions
// (number of pixels to move each time)
GLfloat xstep = 1.0f;
GLfloat ystep = 1.0f;

// Keep track of window’s changing width and height
GLfloat windowWidth;
GLfloat windowHeight;

// Called by AUX library when the window has changed size
void CALLBACK ChangeSize(GLsizei w, GLsizei h)
{
// Prevent a divide by zero, when window is too short
// (you can’t make a window of zero width)
if (h == 0)
h = 1;

// Set the viewport to be the entire window
glViewport(0, 0, w, h);

// Reset the coordinate system before modifying
glLoadIdentity();

// Keep the square square, this time, save calculated
// width and height for later use
if (w <= h)
{
windowHeight = 250.0f*h / w;
windowWidth = 250.0f;
}
else
{
windowWidth = 250.0f*w / h;
windowHeight = 250.0f;
}

// Set the clipping volume
glOrtho(-windowWidth/2, windowWidth/2, -windowHeight/2, windowHeight/2, 1.0f, -1.0f);
}

// Called by AUX library to draw scene
void CALLBACK RenderScene(void)
{
// Set background clearing color to blue
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);

// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT);

// Set drawing color to red, and draw rectangle at
// current position.
glColor3f(1.0f, 0.0f, 0.0f);
//glRectf(x, y, x + rsize, y - rsize);
auxWireTeapot(50.0f);

glFlush();

auxSwapBuffers();
}
// Called by AUX library when idle (window not being
// resized or moved)
void CALLBACK IdleFunction(void)
{
// Reverse direction when you reach left or right edge
if (x > windowWidth - rsize || x < 0)
xstep = -xstep;

// Reverse direction when you reach top or bottom edge
if (y > windowHeight || y < rsize)
ystep = -ystep;

// Check bounds. This is in case the window is made
// smaller and the rectangle is outside the new
// clipping volume
if (x > windowWidth - rsize)
x = windowWidth - rsize - 1;

if (y > windowHeight)
y = windowHeight- 1;

// Actually move the square
x = x + xstep;
y = y + ystep;

// Redraw the scene with new coordinates
RenderScene();
}
void main(void)
{
// AUX window setup and initialization
auxInitDisplayMode(AUX_DOUBLE | AUX_RGBA);
auxInitPosition(100, 100, 250, 250);
auxInitWindow("Simple 2D Animation");

// Set function to call when window is resized
auxReshapeFunc(ChangeSize);

// Set function to call when program is idle
//auxIdleFunc(IdleFunction);

// Start main loop
auxMainLoop(RenderScene);

// Stop and wait for a keypress
//printf("Press any key to close the Window\n");
//getchar();
}
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gdi程序
#include <windows.h>

// 用于注册的窗口类名
const char g_szClassName[] = "myWindowClass";
// Handles to GDI brushes we will use for drawing
HBRUSH hBlueBrush, hRedBrush;
/*
* 第四步,窗口过程
*/
LRESULT CALLBACK MyWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_CREATE:
// Create a blue and red brush for drawing and filling
// operations. // Red, green, blue
break;
// 窗口绘制消息
case WM_PAINT:
/*
* 我们只需要在这里调用我们的 GDI 绘制函数就可以，其他地方可以先无视
*/
PAINTSTRUCT ps;
HBRUSH hOldBrush;

// Start painting
BeginPaint(hwnd, &ps);

// Select and use the red brush
hOldBrush = (HBRUSH)SelectObject(ps.hdc, hRedBrush);

// Draw a rectangle filled with the currently
// selected brush
Rectangle(ps.hdc, 100, 100, 150, 150);

// Deselect the brush
SelectObject(ps.hdc, hOldBrush);

// End painting
EndPaint(hwnd, &ps);
break;
// 窗口关闭消息
case WM_CLOSE:
DestroyWindow(hwnd);
break;
// 窗口销毁消息
case WM_DESTROY:
PostQuitMessage(0); // 发送离开消息给系统
break;
// 其他消息
default:
// pass 给系统，咱不管
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
/*
* 第一步,注册窗口类
*/
void RegisterMyWindow(HINSTANCE hInstance)
{
WNDCLASSEX wc;
hBlueBrush = CreateSolidBrush(RGB(0, 0, 255));
hRedBrush = CreateSolidBrush(RGB(255, 0, 0));
// 1)配置窗口属性
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = MyWindowProc; // 设置第四步的窗口过程回调函数
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
//wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
wc.hbrBackground = hBlueBrush; // Use blue brush for background

// 2)注册
if (!RegisterClassEx(&wc))
{
MessageBox(NULL, TEXT("窗口注册失败!"), TEXT("错误"), MB_ICONEXCLAMATION | MB_OK);
exit(0); // 进程退出
}
}
/*
* 第二步，创建窗口
*/
HWND CreateMyWindow(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
// Create the main application window
hWnd = CreateWindow(
g_szClassName,
g_szClassName,
WS_OVERLAPPEDWINDOW,
100, 100,250, 250, // Size and dimensions of window
NULL,NULL,hInstance,NULL);

if (hWnd == NULL)
{
MessageBox(NULL, TEXT("窗口创建失败!"), TEXT("错误"), MB_ICONEXCLAMATION | MB_OK);
exit(0); // 进程退出
}

// 显示窗口
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);

return hWnd;
}
/*
* 主函数
*/
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
HWND hwnd;
MSG Msg;

// 第一步,注册窗口类
RegisterMyWindow(hInstance);
// 第二步:创建窗口
hwnd = CreateMyWindow(hInstance, nCmdShow);

// 第三步:消息循环
while (GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}

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gdi中使用opengl
#include <windows.h>

// Start painting
BeginPaint(hwnd, &ps);

// Select and use the red brush
hOldBrush = (HBRUSH)SelectObject(ps.hdc, hRedBrush);

// Draw a rectangle filled with the currently
// selected brush
Rectangle(ps.hdc, 100, 100, 150, 150);

// Deselect the brush
SelectObject(ps.hdc, hOldBrush);

// 2)注册
if (!RegisterClassEx(&wc))
{
MessageBox(NULL, TEXT("窗口注册失败!"), TEXT("错误"), MB_ICONEXCLAMATION | MB_OK);
exit(0); // 进程退出
}
}
/*
* 第二步，创建窗口
*/
HWND CreateMyWindow(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
// Create the main application window
hWnd = CreateWindow(http://www.amjmh.com/v/BIBRGZ_558768/）
g_szClassName,
g_szClassName,
WS_OVERLAPPEDWINDOW,
100, 100,250, 250, // Size and dimensions of window
NULL,NULL,hInstance,NULL);

if (hWnd == NULL)
{
MessageBox(NULL, TEXT("窗口创建失败!"), TEXT("错误"), MB_ICONEXCLAMATION | MB_OK);
exit(0); // 进程退出
}

// 显示窗口
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);

return hWnd;
}
/*
* 主函数
*/
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
HWND hwnd;
MSG Msg;

// 第一步,注册窗口类
RegisterMyWindow(hInstance);
// 第二步:创建窗口
hwnd = CreateMyWindow(hInstance, nCmdShow);

// 第三步:消息循环
while (GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}

posted @ 2019-09-08 21:14 李艳艳665 阅读(273) 评论(0) 收藏举报

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aux程序

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