Posted on 2008-09-16 16:49
MiweiDev 閱讀(1409)
評論(3) 編輯 收藏 引用 所屬分類:
DirectX
最近想在MFC中運用D3D，直接來了就用的單文檔，結果調試半天還是坐標不對~
鼠標的位置就是y比畫的圖形要大，而且是越往右下角拉 y 距離相差就越大！！！
但是同樣的我用多文檔，還有對話框都沒有這種問題，請高手賜教@謝謝@
為什么多文檔，Dialog都沒這問題呢？
CODE:
// TestDSIView.cpp : CTestDSIView 類的實現
//
#include "stdafx.h"
#include "TestDSI.h"
#include "TestDSIDoc.h"
#include "TestDSIView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// CTestDSIView
DWORD CTestDSIView::D3DFVF_CUSTOMVERTEX = (D3DFVF_XYZRHW|D3DFVF_DIFFUSE);
IMPLEMENT_DYNCREATE(CTestDSIView, CView)
BEGIN_MESSAGE_MAP(CTestDSIView, CView)
// 標準打印命令
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
END_MESSAGE_MAP()
// CTestDSIView 構造/析構
CTestDSIView::CTestDSIView()
{
// TODO: 在此處添加構造代碼
m_pD3D = NULL;
m_pd3dDevice = NULL;
m_pVB = NULL;
m_bEdit = false;
}
CTestDSIView::~CTestDSIView()
{
this->Cleanup();
}
BOOL CTestDSIView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: 在此處通過修改 CREATESTRUCT cs 來修改窗口類或
// 樣式
return CView::PreCreateWindow(cs);
}
// CTestDSIView 繪制
void CTestDSIView::OnDraw(CDC* /**//*pDC*/)
{
CTestDSIDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return;
// TODO: 在此處為本機數據添加繪制代碼
Render();
}
// CTestDSIView 打印
BOOL CTestDSIView::OnPreparePrinting(CPrintInfo* pInfo)
{
// 默認準備
return DoPreparePrinting(pInfo);
}
void CTestDSIView::OnBeginPrinting(CDC* /**//*pDC*/, CPrintInfo* /**//*pInfo*/)
{
// TODO: 打印前添加額外的初始化
}
void CTestDSIView::OnEndPrinting(CDC* /**//*pDC*/, CPrintInfo* /**//*pInfo*/)
{
// TODO: 打印后添加清除過程
}
// CTestDSIView 診斷
#ifdef _DEBUG
void CTestDSIView::AssertValid() const
{
CView::AssertValid();
}
void CTestDSIView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CTestDSIDoc* CTestDSIView::GetDocument() const // 非調試版本是內聯的
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTestDSIDoc)));
return (CTestDSIDoc*)m_pDocument;
}
#endif //_DEBUG
void CTestDSIView::OnInitialUpdate(void)
{
CView::OnInitialUpdate();
this->InitD3D(m_hWnd);
//this->InitVB();
}
void CTestDSIView::OnLButtonDown(UINT nFlags, CPoint point)
{
m_ptDown = point;
m_bEdit = true;
CView::OnLButtonDown(nFlags, point);
}
void CTestDSIView::OnLButtonUp(UINT nFlags, CPoint point)
{
m_ptUp = point;
m_bEdit = false;
InitVB(m_ptDown.x, m_ptDown.y, point.x, point.y);
Render();
CView::OnLButtonUp(nFlags, point);
}
void CTestDSIView::OnMouseMove(UINT nFlags, CPoint point)
{
if (m_bEdit)
{
m_ptMove = point;
InitVB(m_ptDown.x, m_ptDown.y, point.x, point.y);
Render();
}
CView::OnMouseMove(nFlags, point);
}
/**///////////////////////////////////////////////////////////////////////////// d3d function
HRESULT CTestDSIView::InitD3D( HWND hWnd )
{
// Create the D3D object.
if( NULL == ( m_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
return E_FAIL;
// Set up the structure used to create the D3DDevice
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory( &d3dpp, sizeof(d3dpp) );
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
// Create the D3DDevice
if( FAILED( m_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &m_pd3dDevice ) ) )
{
return E_FAIL;
}
// Device state would normally be set here
return S_OK;
}
HRESULT CTestDSIView::InitVB(int x1 /**//* = 0 */, int y1 /**//* = 0 */, int x2 /**//* = 0 */, int y2 /**//* = 0 */)
{
// Initialize three vertices for rendering a triangle
CUSTOMVERTEX vertices[] =
{
//{ 50.0f, 250.0f, 0.5f, 1.0f, 0xff00ffff, },
// { 50.0f, 50.0f, 0.5f, 1.0f, 0xffff0000, }, // x, y, z, rhw, color
// { 250.0f, 50.0f, 0.5f, 1.0f, 0xff00ff00, },
//{ 250.0f, 250.0f, 0.5f, 1.0f, 0xff00ff00, },
//{50.0f, 250.0f, 0.5f, 1.0f, 0xff00ffff, },
{ x1, y2, 0.f, 0.0f, 0xff00ffff, },
{ x1, y1, 0.f, 0.0f, 0xffff0000, }, // x, y, z, rhw, color
{ x2, y1, 0.f, 0.0f, 0xff00ff00, },
{ x2, y2, 0.f, 0.0f, 0xff00ff00, },
{x1, y2, 0.f, 0.0f, 0xff00ffff, },
};
// Create the vertex buffer. Here we are allocating enough memory
// (from the default pool) to hold all our 3 custom vertices. We also
// specify the FVF, so the vertex buffer knows what data it contains.
if( FAILED( m_pd3dDevice->CreateVertexBuffer(5*sizeof(CUSTOMVERTEX),
0, D3DFVF_CUSTOMVERTEX,
D3DPOOL_DEFAULT, &m_pVB, NULL ) ) )
{
return E_FAIL;
}
// Now we fill the vertex buffer. To do this, we need to Lock() the VB to
// gain access to the vertices. This mechanism is required becuase vertex
// buffers may be in device memory.
VOID* pVertices;
if( FAILED( m_pVB->Lock( 0, sizeof(vertices), (void**)&pVertices, 0 ) ) )
return E_FAIL;
memcpy( pVertices, vertices, sizeof(vertices) );
m_pVB->Unlock();
return S_OK;
}
VOID CTestDSIView::Cleanup()
{
if( m_pVB != NULL )
m_pVB->Release();
if( m_pd3dDevice != NULL )
m_pd3dDevice->Release();
if( m_pD3D != NULL )
m_pD3D->Release();
}
VOID CTestDSIView::Render()
{
// Clear the backbuffer to a blue color
m_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,255), 1.0f, 0 );
// Begin the scene
if( SUCCEEDED( m_pd3dDevice->BeginScene() ) )
{
// Draw the triangles in the vertex buffer. This is broken into a few
// steps. We are passing the vertices down a "stream", so first we need
// to specify the source of that stream, which is our vertex buffer. Then
// we need to let D3D know what vertex shader to use. Full, custom vertex
// shaders are an advanced topic, but in most cases the vertex shader is
// just the FVF, so that D3D knows what type of vertices we are dealing
// with. Finally, we call DrawPrimitive() which does the actual rendering
// of our geometry (in this case, just one triangle).
m_pd3dDevice->SetStreamSource( 0, m_pVB, 0, sizeof(CUSTOMVERTEX) );
m_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
m_pd3dDevice->DrawPrimitive( D3DPT_LINESTRIP, 0, 4 );
// End the scene
m_pd3dDevice->EndScene();
}
// Present the backbuffer contents to the display
m_pd3dDevice->Present( NULL, NULL, NULL, NULL );
}
/**///////////////////////////////////////////////////////////////////////////// CTestDSIView 消息處理程序
// TestDSIView.h : CTestDSIView 類的接口
//
#pragma once
#include <d3d9.h>
#include <d3dx9.h>
#pragma comment(lib, "d3d9.lib")
#pragma comment(lib, "d3dx9.lib")
#pragma comment(lib, "winmm.lib")
#pragma warning(disable : 4244)
class CTestDSIView : public CView
{
protected: // 僅從序列化創建
CTestDSIView();
DECLARE_DYNCREATE(CTestDSIView)
// 屬性
public:
CTestDSIDoc* GetDocument() const;
// 操作
public:
// 重寫
public:
virtual void OnDraw(CDC* pDC); // 重寫以繪制該視圖
virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
protected:
virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
//d3d member
private:
LPDIRECT3D9 m_pD3D;
LPDIRECT3DDEVICE9 m_pd3dDevice;
LPDIRECT3DVERTEXBUFFER9 m_pVB;
POINT m_ptDown;
POINT m_ptUp;
POINT m_ptMove;
bool m_bEdit;
//d3d function member
protected:
HRESULT InitD3D( HWND hWnd );
HRESULT InitVB(int x1 = 0, int y1 = 0, int x2 = 0, int y2 = 0);
VOID Cleanup();
VOID Render();
struct CUSTOMVERTEX
{
FLOAT x, y, z, rhw; // The transformed position for the vertex
DWORD color; // The vertex color
};
// Our custom FVF, which describes our custom vertex structure
static DWORD D3DFVF_CUSTOMVERTEX;
//#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE)
// 實現
public:
virtual ~CTestDSIView();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
// 生成的消息映射函數
protected:
DECLARE_MESSAGE_MAP()
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
public:
virtual void OnInitialUpdate(void);
};
#ifndef _DEBUG // TestDSIView.cpp 的調試版本
inline CTestDSIDoc* CTestDSIView::GetDocument() const
{ return reinterpret_cast<CTestDSIDoc*>(m_pDocument); }
#endif
