fontview.cpp

C:Documents and SettingsAdministrator桌面VC++多媒体特效制作百例CHAR14Font

// FontView.cpp : implementation of the CFontView class
//

#include "stdafx.h"
#include "Font.h"

#include "FontDoc.h"
#include "FontView.h"

//add down
#include "gl\gl.h"
#include "gl\glu.h"
#include "gl\glaux.h"
//add up

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//add down字符集位图的相应数据
GLubyte rasters[][13]=
{
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x18},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x36,0x36,0x36},
	{0x00,0x00,0x00,0x66,0x66,0xff,0x66,0x66,0xff,0x66,0x66,0x00,0x00},
	{0x00,0x00,0x18,0x7e,0xff,0x1b,0x1f,0x7e,0xf8,0xd8,0xff,0x7e,0x18},
	{0x00,0x00,0x0e,0x1b,0xdb,0x6e,0x30,0x18,0x0c,0x76,0xdb,0xd8,0x70},
	{0x00,0x00,0x7f,0xc6,0xcf,0xd8,0x70,0x70,0xd8,0xcc,0xcc,0x6c,0x38},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x1c,0x0c,0x0e},
	{0x00,0x00,0x0c,0x18,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x18,0x0c},
	{0x00,0x00,0x30,0x18,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x18,0x30},
	{0x00,0x00,0x00,0x00,0x99,0x5a,0x3c,0xff,0x3c,0x5a,0x99,0x00,0x00},
	{0x00,0x00,0x00,0x18,0x18,0x18,0xff,0xff,0x18,0x18,0x18,0x00,0x00},
	{0x00,0x00,0x30,0x18,0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x00,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x00,0x38,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0x60,0x60,0x60,0x30,0x30,0x18,0x18,0x0c,0x0c,0x06,0x06,0x03,0x03},
	{0x00,0x00,0x3c,0x66,0xc3,0xe3,0xf3,0xdb,0xcf,0xc7,0xc3,0x66,0x3c},
	{0x00,0x00,0x7e,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x78,0x38,0x18},
	{0x00,0x00,0xff,0xc0,0xc0,0x60,0x30,0x18,0x0c,0x06,0x03,0xe7,0x7e},
	{0x00,0x00,0x7e,0xe7,0x03,0x03,0x07,0x7e,0x07,0x03,0x03,0xe7,0x7e},
	{0x00,0x00,0x0c,0x0c,0x0c,0x0c,0x0c,0xff,0xcc,0x6c,0x3c,0x1c,0x0c},
	{0x00,0x00,0x7e,0xe7,0x03,0x03,0x07,0xfe,0xc0,0xc0,0xc0,0xc0,0xff},
	{0x00,0x00,0x7e,0xe7,0xc3,0xc3,0xc7,0xfe,0xc0,0xc0,0xc0,0xe7,0x7e},
	{0x00,0x00,0x30,0x30,0x30,0x30,0x18,0x0c,0x06,0x03,0x03,0x03,0xff},
	{0x00,0x00,0x7e,0xe7,0xc3,0xc3,0xe7,0x7e,0xe7,0xc3,0xc3,0xe7,0x7e},
	{0x00,0x00,0x7e,0xe7,0x03,0x03,0x03,0x7f,0xe7,0xc3,0xc3,0xe7,0x7e},
	{0x00,0x00,0x00,0x38,0x38,0x00,0x00,0x38,0x38,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x30,0x18,0x1c,0x1c,0x00,0x00,0x1c,0x1c,0x00,0x00,0x00},
	{0x00,0x00,0x06,0x0c,0x18,0x30,0x60,0xc0,0x60,0x30,0x18,0x0c,0x06},
	{0x00,0x00,0x00,0x00,0xff,0xff,0x00,0xff,0xff,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x60,0x30,0x18,0x0c,0x06,0x03,0x06,0x0c,0x18,0x30,0x60},
	{0x00,0x00,0x18,0x00,0x00,0x18,0x18,0x0c,0x06,0x03,0xc3,0xc3,0x7e},
	{0x00,0x00,0x3f,0x60,0xcf,0xdb,0xd3,0xdd,0xc3,0x7e,0x00,0x00,0x00},
	{0x00,0x00,0xc3,0xc3,0xc3,0xc3,0xff,0xc3,0xc3,0xc3,0x66,0x3c,0x18},
	{0x00,0x00,0xfe,0xc7,0xc3,0xc3,0xc7,0xfe,0xc7,0xc3,0xc3,0xc7,0xfe},
	{0x00,0x00,0x7e,0xe7,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xe7,0x7e},
	{0x00,0x00,0xfc,0xce,0xc7,0xc3,0xc3,0xc3,0xc3,0xc3,0xc7,0xce,0xfc},
	{0x00,0x00,0xff,0xc0,0xc0,0xc0,0xc0,0xfc,0xc0,0xc0,0xc0,0xc0,0xff},
	{0x00,0x00,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xfc,0xc0,0xc0,0xc0,0xff},
	{0x00,0x00,0x7e,0xe7,0xc3,0xc3,0xcf,0xc0,0xc0,0xc0,0xc0,0xe7,0x7e},
	{0x00,0x00,0xc3,0xc3,0xc3,0xc3,0xc3,0xff,0xc3,0xc3,0xc3,0xc3,0xc3},
	{0x00,0x00,0x7e,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x7e},
	{0x00,0x00,0x7c,0xee,0xc6,0x06,0x06,0x06,0x06,0x06,0x06,0x06,0x06},
	{0x00,0x00,0xc3,0xc6,0xcc,0xd8,0xf0,0xe0,0xf0,0xd8,0xcc,0xc6,0xc3},
	{0x00,0x00,0xff,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0},
	{0x00,0x00,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0xdb,0xff,0xff,0xe7,0xc3},
	{0x00,0x00,0xc7,0xc7,0xcf,0xcf,0xdf,0xdb,0xfb,0xf3,0xf3,0xe3,0xe3},
	{0x00,0x00,0x7e,0xe7,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0xe7,0x7e},
	{0x00,0x00,0xc0,0xc0,0xc0,0xc0,0xc0,0xfe,0xc7,0xc3,0xc3,0xc7,0xfe},
	{0x00,0x00,0x3f,0x6e,0xdf,0xdb,0xc3,0xc3,0xc3,0xc3,0xc3,0x66,0x3c},
	{0x00,0x00,0xc3,0xc6,0xcc,0xd8,0xf0,0xfe,0xc7,0xc3,0xc3,0xc7,0xfe},
	{0x00,0x00,0x7e,0xe7,0x03,0x03,0x07,0x7e,0xe0,0xc0,0xc0,0xe7,0x7e},
	{0x00,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0xff},
	{0x00,0x00,0x7e,0xe7,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3},
	{0x00,0x00,0x18,0x3c,0x3c,0x66,0x66,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3},
	{0x00,0x00,0xc3,0xe7,0xff,0xff,0xdb,0xdb,0xc3,0xc3,0xc3,0xc3,0xc3},
	{0x00,0x00,0xc3,0x66,0x66,0x3c,0x3c,0x18,0x3c,0x3c,0x66,0x66,0xc3},
	{0x00,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x3c,0x3c,0x66,0x66,0xc3},
	{0x00,0x00,0xff,0xc0,0xc0,0x60,0x30,0x7e,0x0c,0x06,0x03,0x03,0xff},
	{0x00,0x00,0x3c,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x3c},
	{0x00,0x03,0x03,0x06,0x06,0x0c,0x0c,0x18,0x18,0x30,0x30,0x60,0x60},
	{0x00,0x00,0x3c,0x0c,0x0c,0x0c,0x0C,0x0c,0x0c,0x0c,0x0c,0x0c,0x3c},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc3,0x66,0x3c,0x18},
	{0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x38,0x30,0x70},
	{0x00,0x00,0x7f,0xc3,0xc3,0x7f,0x03,0xc3,0x7e,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xfe,0xc3,0xc3,0xc3,0xc3,0xfe,0xc0,0xc0,0xc0,0xc0,0xc0},
	{0x00,0x00,0x7e,0xc3,0xc0,0xc0,0xc0,0xc3,0x7e,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x7f,0xc3,0xc3,0xc3,0xc3,0x7f,0x03,0x03,0x03,0x03,0x03},
	{0x00,0x00,0x7f,0xc0,0xc0,0xfe,0xc3,0xc3,0x7e,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x30,0x30,0x30,0x30,0x30,0xfc,0x30,0x30,0x30,0x33,0x1e},
	{0x7e,0xc3,0x03,0x03,0x7f,0xc3,0xc3,0xc3,0x7e,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0xfe,0xc0,0xc0,0xc0,0xc0},
	{0x00,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0x18,0x00},
	{0x38,0x6c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x00,0x00,0x0c,0x00},
	{0x00,0x00,0xc6,0xcc,0xf8,0xf0,0xd8,0xcc,0xc6,0xc0,0xc0,0xc0,0xc0},
	{0x00,0x00,0x7e,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x78},
	{0x00,0x00,0xdb,0xdb,0xdb,0xdb,0xdb,0xdb,0xfe,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xfc,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x7c,0xc6,0xc6,0xc6,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00},
	{0xc0,0xc0,0xc0,0xfe,0xc3,0xc3,0xc3,0xc3,0xfe,0x00,0x00,0x00,0x00},
	{0x03,0x03,0x03,0x7f,0xc3,0xc3,0xc3,0xc3,0x7f,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xc0,0xc0,0xc0,0xc0,0xc0,0xe0,0xfe,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xfe,0x03,0x03,0x7e,0xc0,0xc0,0x7f,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x1c,0x36,0x30,0x30,0x30,0x30,0xfc,0x30,0x30,0x30,0x00},
	{0x00,0x00,0x7e,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x18,0x3c,0x3c,0x66,0x66,0xc3,0xc3,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xc3,0xe7,0xff,0xdb,0xc3,0xc3,0xc3,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xc3,0x66,0x3c,0x18,0x3c,0x66,0xc3,0x00,0x00,0x00,0x00},
	{0xc0,0x60,0x60,0x30,0x18,0x3c,0x66,0x66,0xc3,0x00,0x00,0x00,0x00},
	{0x00,0x00,0xff,0x60,0x30,0x18,0x0c,0x06,0xff,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x0f,0x18,0x18,0x18,0x38,0xf0,0x38,0x18,0x18,0x18,0x0f},
	{0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18},
	{0x00,0x00,0xf0,0x18,0x18,0x18,0x1c,0x0f,0x1c,0x18,0x18,0x18,0xf0},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x8f,0xf1,0x60,0x00,0x00,0x00},
	
};
//add up字符集位图的相应数据
GLuint fontOffset;
void makeRasterFont(void);
void printString(char* s);
	
/////////////////////////////////////////////////////////////////////////////
// CFontView

IMPLEMENT_DYNCREATE(CFontView, CView)

BEGIN_MESSAGE_MAP(CFontView, CView)
	//{{AFX_MSG_MAP(CFontView)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_WM_ERASEBKGND()
	ON_WM_SIZE()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFontView construction/destruction

CFontView::CFontView()
{
	//add down
	m_pDC = NULL;
	//add up
}

CFontView::~CFontView()
{
}

BOOL CFontView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	//add down
	cs.style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
	//add up

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CFontView drawing

void CFontView::OnDraw(CDC* pDC)
{
	CFontDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	//add down
	DrawScene();
	//add up
}

/////////////////////////////////////////////////////////////////////////////
// CFontView printing

BOOL CFontView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CFontView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CFontView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CFontView diagnostics

#ifdef _DEBUG
void CFontView::AssertValid() const
{
	CView::AssertValid();
}

void CFontView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CFontDoc* CFontView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CFontDoc)));
	return (CFontDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CFontView message handlers

int CFontView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	//add down
	Init(); //初始化OpenGL
	//add up
	
	return 0;
}

void CFontView::OnDestroy() 
{
	//add down
	HGLRC   hrc;

	hrc = ::wglGetCurrentContext();

	::wglMakeCurrent(NULL,  NULL);

	if (hrc)
		::wglDeleteContext(hrc);

	if (m_pDC)
		delete m_pDC;
	//add up

	CView::OnDestroy();
}

BOOL CFontView::OnEraseBkgnd(CDC* pDC) 
{
	return TRUE;
}

void CFontView::OnSize(UINT nType, int cx, int cy) 
{
	CView::OnSize(nType, cx, cy);
	
	GLfloat w=(GLfloat)cx;
	GLfloat h=(GLfloat)cy;
	//设置视口与窗口匹配
	glViewport(0,0,w,h);

	//重新设置坐标系统
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	
	//建立正交变换下的剪切体
	glOrtho(0,w,0,h,-1.0,1.0);
	
	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();
	//add up
}

//add down
void CFontView::Init()
{
	PIXELFORMATDESCRIPTOR pfd;
	int         n;
	HGLRC       hrc;

	m_pDC = new CClientDC(this);

	ASSERT(m_pDC != NULL);

	if (!bSetupPixelFormat())
		return;

	n = ::GetPixelFormat(m_pDC->GetSafeHdc());
	::DescribePixelFormat(m_pDC->GetSafeHdc(), n, sizeof(pfd), &pfd);

	hrc = wglCreateContext(m_pDC->GetSafeHdc());
	wglMakeCurrent(m_pDC->GetSafeHdc(), hrc);

	//根据客户区的初始值定透视投影
	glClearDepth(1.0f);
	glEnable(GL_DEPTH_TEST);
	
	glShadeModel(GL_FLAT);
	makeRasterFont();
}

BOOL CFontView::bSetupPixelFormat()
{
	static PIXELFORMATDESCRIPTOR pfd =
	{
		sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
		1,                              // version number
		PFD_DRAW_TO_WINDOW |            // support window
		  PFD_SUPPORT_OPENGL |          // support OpenGL
		  PFD_DOUBLEBUFFER,             // double buffered
		PFD_TYPE_RGBA,                  // RGBA type
		24,                             // 24-bit color depth
		0, 0, 0, 0, 0, 0,               // color bits ignored
		0,                              // no alpha buffer
		0,                              // shift bit ignored
		0,                              // no accumulation buffer
		0, 0, 0, 0,                     // accum bits ignored
		32,                             // 32-bit z-buffer
		0,                              // no stencil buffer
		0,                              // no auxiliary buffer
		PFD_MAIN_PLANE,                 // main layer
		0,                              // reserved
		0, 0, 0                         // layer masks ignored
	};
	int pixelformat;

	if ( (pixelformat = ChoosePixelFormat(m_pDC->GetSafeHdc(), &pfd)) == 0 )
	{
		MessageBox("ChoosePixelFormat failed");
		return FALSE;
	}

	if (SetPixelFormat(m_pDC->GetSafeHdc(), pixelformat, &pfd) == FALSE)
	{
		MessageBox("SetPixelFormat failed");
		return FALSE;
	}

	return TRUE;
}

void CFontView::DrawScene(void)
{
	//
	GLfloat white[3]={1.0,1.0,1.0};
	int i,j;
	char teststring[33];

	//设置清屏颜色为黑色
//	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
	//清除颜色缓冲区和深度缓冲区
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	glColor3fv(white);
	for(i=32;i<127;i+=32)
	{
		glRasterPos2i(20,200-18*i/32);
		for(j=0;j<32;j++)
			teststring[j]=(char)(i+j);
		teststring[32]=0;
		printString(teststring);
	}
	glRasterPos2i(20,100);
	printString("Life is too short to");
	glRasterPos2i(20,82);
	printString("register every wrongdoing.");
	
	glFinish();
	SwapBuffers(wglGetCurrentDC());
}
//add up

void makeRasterFont(void)
{
	GLint i;
	glPixelStorei(GL_UNPACK_ALIGNMENT,1);
	fontOffset=glGenLists(128);
	for(i=32;i<127;i++)
	{
		glNewList(i+fontOffset,GL_COMPILE);
		glBitmap(8,13,0.0,2.0,10.0,0.0,rasters[i-32]);
		glEndList();
	}
}

void printString(char* s)
{
	glPushAttrib(GL_LIST_BIT);
	glListBase(fontOffset);
	glCallLists(strlen(s),GL_UNSIGNED_BYTE,(GLubyte *)s);
	glPopAttrib();
}