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Файл:Лабораторная работа №22 / GLlab2 / GLlabView
.cpp// GLlabView.cpp : implementation of the CGLlabView class
//
#include "stdafx.h"
#include "GLlab.h"
#include "GLlabDoc.h"
#include "GLlabView.h"
#include "Dlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CGLlabView
IMPLEMENT_DYNCREATE(CGLlabView, CView)
BEGIN_MESSAGE_MAP(CGLlabView, CView)
//{{AFX_MSG_MAP(CGLlabView)
ON_WM_CREATE()
ON_WM_DESTROY()
ON_COMMAND(ID_DRAW_LINESTRIP, OnDrawLinestrip)
ON_UPDATE_COMMAND_UI(ID_DRAW_LINESTRIP, OnUpdateDrawLinestrip)
ON_COMMAND(ID_DRAW_POINTS, OnDrawPoints)
ON_UPDATE_COMMAND_UI(ID_DRAW_POINTS, OnUpdateDrawPoints)
ON_COMMAND(ID_DRAW_QUADRILATERALS, OnDrawQuadrilaterals)
ON_UPDATE_COMMAND_UI(ID_DRAW_QUADRILATERALS, OnUpdateDrawQuadrilaterals)
ON_COMMAND(ID_DRAW_TRIANGLEFAN, OnDrawTrianglefan)
ON_UPDATE_COMMAND_UI(ID_DRAW_TRIANGLEFAN, OnUpdateDrawTrianglefan)
ON_COMMAND(ID_TEST_GLSCISSOR, OnTestGlscissor)
ON_UPDATE_COMMAND_UI(ID_TEST_GLSCISSOR, OnUpdateTestGlscissor)
ON_COMMAND(ID_TEST_GLALPHAFUNC, OnTestGlalphafunc)
ON_UPDATE_COMMAND_UI(ID_TEST_GLALPHAFUNC, OnUpdateTestGlalphafunc)
ON_COMMAND(ID_TEST_GLBLENDFUNC, OnTestGlblendfunc)
ON_UPDATE_COMMAND_UI(ID_TEST_GLBLENDFUNC, OnUpdateTestGlblendfunc)
ON_COMMAND(ID_TESTS_NULL, OnTestsNull)
ON_UPDATE_COMMAND_UI(ID_TESTS_NULL, OnUpdateTestsNull)
ON_COMMAND(ID__TESTSRELOCATION, OnTestsrelocation)
//}}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()
/////////////////////////////////////////////////////////////////////////////
// CGLlabView construction/destruction
CGLlabView::CGLlabView()
{
// TODO: add construction code here
m_test=-1;
}
CGLlabView::~CGLlabView()
{
}
BOOL CGLlabView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
cs.style |= WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CGLlabView drawing
void CGLlabView::OnDraw(CDC* pDC)
{
CGLlabDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
wglMakeCurrent(pDC->m_hDC, m_hRC);
DrawWithOpenGL();
wglMakeCurrent(pDC->m_hDC, NULL);
}
/////////////////////////////////////////////////////////////////////////////
// CGLlabView printing
BOOL CGLlabView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CGLlabView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CGLlabView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CGLlabView diagnostics
#ifdef _DEBUG
void CGLlabView::AssertValid() const
{
CView::AssertValid();
}
void CGLlabView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CGLlabDoc* CGLlabView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CGLlabDoc)));
return (CGLlabDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CGLlabView message handlers
int CGLlabView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CView::OnCreate(lpCreateStruct) == -1)
return -1;
// TODO: Add your specialized creation code here
PIXELFORMATDESCRIPTOR pfd =
{
sizeof(PIXELFORMATDESCRIPTOR), // Structure size.
1, // Structure version number.
PFD_DRAW_TO_WINDOW | // Property flags.
PFD_SUPPORT_OPENGL,
PFD_TYPE_RGBA,
24, // 24-bit color.
0, 0, 0, 0, 0, 0, // Not concerned with these.
0, 0, 0, 0, 0, 0, 0, // No alpha or accum buffer.
32, // 32-bit depth buffer.
0, 0, // No stencil or aux buffer.
PFD_MAIN_PLANE, // Main layer type.
0, // Reserved.
0, 0, 0 // Unsupported.
};
CClientDC clientDC(this);
int pixelFormat =
ChoosePixelFormat(clientDC.m_hDC, &pfd);
BOOL success =
SetPixelFormat(clientDC.m_hDC, pixelFormat, &pfd);
m_hRC = wglCreateContext(clientDC.m_hDC);
return 0;
}
void CGLlabView::OnDestroy()
{
CView::OnDestroy();
// TODO: Add your message handler code here
wglDeleteContext(m_hRC);
}
void CGLlabView::OnDrawLinestrip()
{
// TODO: Add your command handler code here
m_shape = LineStrip;
Invalidate();
}
void CGLlabView::OnUpdateDrawLinestrip(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_shape == LineStrip)
pCmdUI->SetCheck(TRUE);
else
pCmdUI->SetCheck(FALSE);
}
void CGLlabView::OnDrawPoints()
{
// TODO: Add your command handler code here
m_shape = Points;
Invalidate();
}
void CGLlabView::OnUpdateDrawPoints(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_shape == Points)
pCmdUI->SetCheck(TRUE);
else
pCmdUI->SetCheck(FALSE);
}
void CGLlabView::OnDrawQuadrilaterals()
{
// TODO: Add your command handler code here
m_shape = Quads;
Invalidate();
}
void CGLlabView::OnUpdateDrawQuadrilaterals(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_shape == Quads)
pCmdUI->SetCheck(TRUE);
else
pCmdUI->SetCheck(FALSE);
}
void CGLlabView::OnDrawTrianglefan()
{
// TODO: Add your command handler code here
m_shape = TriangleFan;
Invalidate();
}
void CGLlabView::OnUpdateDrawTrianglefan(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_shape == TriangleFan)
pCmdUI->SetCheck(TRUE);
else
pCmdUI->SetCheck(FALSE);
}
void CGLlabView::DrawWithOpenGL()
{
glClearColor(1.0f, 1.0f, 1.0f, 1.0f); //Белый цвет фона
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0.0f, 0.0f, 0.0f);
GLint Width=512,Height=512;
glViewport(0,0,Width,Height);
switch(m_test)
{
case TglScissor : EnGlscissor(); break;
case TglAlphaFunc : EnAlphafunc(); break;
case TglBlendFunc : EnGlblendfunc(); break;
}
switch(m_shape)
{
case Points : DrawPoints(); break;
case LineStrip : DrawLineStrip(); break;
case TriangleFan : DrawTriangleFan(); break;
case Quads : DrawQuads(); break;
}
switch(m_test)
{
case TglScissor : DisGlscissor(); break;
case TglAlphaFunc : DisAlphafunc(); break;
case TglBlendFunc : DisGlblendfunc(); break;
}
glFlush();
}
//Рисуем точки
void CGLlabView::DrawPoints()
{
GLfloat ps[2];
glGetFloatv(GL_POINT_SIZE_RANGE, ps);
glPointSize(20);
glEnable(GL_POINT_SMOOTH);
glBegin(GL_POINTS);
glColor4f(1.0,0.0,0.0,0.4);
glVertex2f(0.0f, 0.0f); //Первая вершина
glColor4f(0.0,1.0,0.0,0.6);
glVertex2f(0.75f, 0.75f); //Вторая вершина
glColor4f(0.0,0.0,1.0,1.0);
glVertex2f(-0.75f, -0.75f);//Третья вершина
glColor4f(0.0,1.0,1.0,0.3);
glVertex2f(-0.75f, 0.75f);//Четвертая вершина
glColor4f(1.0,1.0,0.0,0.5);
glVertex2f(0.75f, -0.75f);//Пятая вершина
glEnd();
glDisable(GL_POINT_SMOOTH);
}
//Рисуем линии
void CGLlabView::DrawLineStrip()
{
glPointSize(20);
glEnable(GL_LINE_STIPPLE);
glLineStipple(2,58360);
glBegin(GL_LINE_STRIP);
glColor4f(1.0,0.0,0.0,1.0);
glVertex2f(-0.8f, -0.8f); //Первая вершина
glVertex2f(0.0f, 0.0f); //Вторая вершина
glColor4f(0.0,0.0,1.0,0.2);
glVertex2f(-0.8f, 0.8f);//Третья вершина
glVertex2f(0.75f, 0.75f);//Четвертая вершина
glColor4f(1.0,1.0,0.0,0.8);
glVertex2f(0.75f, -0.75f);//Пятая вершина
glEnd();
glDisable(GL_LINE_STIPPLE);
}
//Рисуем треугольники
void CGLlabView::DrawTriangleFan()
{ glEnable(GL_FLAT);
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
glLineWidth(5);
glBegin(GL_TRIANGLE_FAN);
glColor4f(1.0,0.0,0.0,1.0);
glVertex2f(0.0f, -0.25f);
glColor4f(0.0,0.0,1.0,0.2);
glVertex2f(-0.5f, -0.25f);
glVertex2f(-0.25f, 0.25f); //Первый треугольник
glColor4f(1.0,1.0,0.0,0.6);
glVertex2f(0.25f, 0.25f); //Второй треугольник
glVertex2f(0.5f, -0.25f); //Третий треугольник
glEnd();
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glLineWidth(1);
glBegin(GL_TRIANGLE_FAN);
glColor4f(0.0,1.0,0.0,0.5);
glVertex2f(0.0f, 0.0f);
glColor4f(0.0,1.0,0.0,0.2);
glVertex2f(-0.8f, -0.25f);
glVertex2f(-0.8f, 0.25f);
glColor4f(0.0,1.0,0.0,0.5);
glVertex2f(-0.25f, 0.8f);
glVertex2f(0.25f, 0.8f);
glColor4f(0.0,1.0,0.0,0.9);
glVertex2f(0.8f, 0.25f);
glVertex2f(0.8f, -0.25f);
glColor4f(0.0,1.0,0.0,0.1);
glVertex2f(0.25f, -0.8f);
glVertex2f(-0.25f, -0.8f);
glVertex2f(-0.8f, -0.25f);
glEnd();
}
//Рисуем квадраты
void CGLlabView::DrawQuads()
{
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glBegin(GL_QUADS);
glColor4f(0.0,0.0,1.0,0.9);
glVertex2f(-0.3f, -0.3f);
glVertex2f(0.3f, -0.3f);
glVertex2f(0.3f, 0.3f);
glVertex2f(-0.3f, 0.3f);
glEnd();
glBegin(GL_QUADS);
glColor4f(1.0,1.0,0.0,0.6);
glVertex2f(-0.7f, -0.7f);
glVertex2f(0.7f, -0.7f);
glVertex2f(0.7f, 0.7f);
glVertex2f(-0.7f, 0.7f);
glEnd();
// glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
}
void CGLlabView::OnTestGlscissor()
{
// TODO: Add your command handler code here
m_test=TglScissor;
Invalidate();
}
void CGLlabView::OnUpdateTestGlscissor(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_test==TglScissor)
{
pCmdUI->SetCheck(TRUE);
}
else
{
pCmdUI->SetCheck(FALSE);
}
}
void CGLlabView::OnTestGlalphafunc()
{
// TODO: Add your command handler code here
m_test=TglAlphaFunc;
Invalidate();
}
void CGLlabView::OnUpdateTestGlalphafunc(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_test==TglAlphaFunc)
{
pCmdUI->SetCheck(TRUE);
}
else
{
pCmdUI->SetCheck(FALSE);
}
}
void CGLlabView::OnTestGlblendfunc()
{
// TODO: Add your command handler code here
m_test=TglBlendFunc;
Invalidate();
}
void CGLlabView::OnUpdateTestGlblendfunc(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_test==TglBlendFunc)
{
pCmdUI->SetCheck(TRUE);
}
else
{
pCmdUI->SetCheck(FALSE);
}
}
//тело фильтра Glscissor
void CGLlabView::EnGlscissor()
{
CGLlabDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
glEnable(GL_SCISSOR_TEST);
glScissor(pDoc->ScissorX,pDoc->ScissorY,pDoc->ScissorHight,pDoc->ScissorWidth);
}
void CGLlabView::DisGlscissor()
{
glDisable(GL_SCISSOR_TEST);
}
//тело фильтра Alphafunc
void CGLlabView::EnAlphafunc()
{ CGLlabDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(pDoc->AlphaFunc, pDoc->AlphaRef);
}
void CGLlabView::DisAlphafunc()
{
glDisable(GL_ALPHA_TEST);
}
//тело фильтра blendfunc
void CGLlabView::EnGlblendfunc()
{ CGLlabDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
glEnable(GL_BLEND);
glBlendFunc(pDoc->BlendSfactor, pDoc->BlendDfactor);
}
void CGLlabView::DisGlblendfunc()
{
glDisable(GL_BLEND);
}
void CGLlabView::OnTestsNull()
{
// TODO: Add your command handler code here
m_test=-1;
Invalidate();
}
void CGLlabView::OnUpdateTestsNull(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
if (m_test==-1)
{
pCmdUI->SetCheck(TRUE);
}
else
{
pCmdUI->SetCheck(FALSE);
}
}
void CGLlabView::OnTestsrelocation()
{
// TODO: Add your command handler code here
Dlg dlg;
int result = dlg.DoModal();
if (result == IDOK) {
CGLlabDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
pDoc->ScissorX=dlg.m_ScissorX;
pDoc->ScissorY=dlg.m_ScissorY;
pDoc->ScissorHight=dlg.m_ScissorHight;
pDoc->ScissorWidth=dlg.m_ScissorWidth;
pDoc->AlphaRef=dlg.m_AlphaRef;
pDoc->AlphaFunc=dlg.AlphaFunc;
pDoc->BlendSfactor=dlg.BlendSfactor;
pDoc->BlendDfactor=dlg.BlendDfactor;
}
}
Соседние файлы в папке GLlab2