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C++ DrawRect函数代码示例

本文整理汇总了C++中DrawRect函数的典型用法代码示例。如果您正苦于以下问题：C++ DrawRect函数的具体用法？C++ DrawRect怎么用？C++ DrawRect使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了DrawRect函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: DrawRect

void CDDrawRecord::ClearScreen(DWORD color)
{
	DrawRect(color, NULL, lpDDSBack);
}
开发者ID:mildrock，项目名称:Media，代码行数:4，代码来源:CDDrawRecord.cpp

示例2: drawRect

 Drawing drawRect( const QPen & pen, const QBrush & brush, const QRectF & rect )
 {
     return DrawRect( pen, brush, rect );
 }
开发者ID:camio，项目名称:sani，代码行数:4，代码来源:sani_drawing.cpp

示例3: DrawRect

void AeroControlBase::DrawFocusRect(LPRECT prcFocus, HDC hdcPaint)
{
    DrawRect(prcFocus, hdcPaint, DashStyleDot, Color(0xFF, 0,0,0), 1.0);
}
开发者ID:yuexiaoyun，项目名称:tortoisesvn，代码行数:4，代码来源:AeroControls.cpp

示例4: EraseRect

void RingDragger::Drag(int xMouse,int yMouse)
{
	EraseRect(xMouse,yMouse);
	DrawRect(m_width);
}
开发者ID:tianjigezhu，项目名称:UI-Library，代码行数:5，代码来源:ringdragger.cpp

示例5: White

void FormView::Paint(Draw& w)
{
	if (!IsLayout())
	{
		w.DrawRect(GetRect(), White());
		return;
	}

	Rect r = Zoom(GetPageRect());

	DrawGrid(w);
	DrawRect(w, r, 1, LtBlue());

	w.DrawRect(0, 0, r.left, 3000, White());
	w.DrawRect(r.right + 1, 0, 3000, 3000, White());
	w.DrawRect(r.left, 0, 5000, r.top, White());
	w.DrawRect(r.left, r.bottom + 1, 3000, 3000, White());

//	if (_showInfo)
//	{
//		r.SetSize( Zoom(Size(804, 604)) );
//		DrawRect(w, r.Offseted( Zoom(Size(-2, -2)) ), 1, LtMagenta());
//		r = Zoom(GetPageRect());
//	}

	if (GetObjectCount() > 0 && _showInfo == 2)
	{
		Rect b = Zoom(GetObjectsRect()).Offseted(1, 1);
		b.SetSize( b.GetSize() + Size(-2, -2) );
		DrawRect(w, b, 1, Yellow());
	}

	Vector<int> sel = GetSelected();

	bool coloring = GetBool("View.Coloring");
	int ci = 0;
	if (sel.GetCount() > 0)
	{
		if (sel.GetCount() == 1)
		{
			for (int i = 0; i < GetObjectCount(); ++i)
			{
				if (ci++ == _colors.GetCount() - 1) ci = 0;

				if (coloring && i != sel[0])
					DrawObject(w, i, _colors[ci], false);
				else
					DrawObject(w, i, (!coloring && (i == sel[0])) ? _colors[ci] : LtGray(),
						i == sel[0]);
			}
		}
		else
		{
			for (int i = 0; i < GetObjectCount(); ++i)
			{
				if (ci++ == _colors.GetCount() - 1) ci = 0;

				bool found = false;
				for (int j = 0; j < sel.GetCount(); ++j)
					if ( i == sel[j])
					{
						found = true;
						break;
					}
				if (coloring && !found)
					DrawObject(w, i, _colors[ci], false);
				else
					DrawObject(w, i, (!coloring && found) ? _colors[ci] : LtGray(), false);
			}

			Size g = GetGridSize();
			Rect s = GetSelectionRect().Offseted(-g.cx / 2, -g.cy / 2);
			s.SetSize(s.GetSize() + Size(g.cx, g.cy));

			Vector<int> sel = GetSelected();

			bool a1 = true;	// allow horz align
			bool a2 = true;	// allow vert align
			dword f1;		// first horz align
			dword f2;		// first vert align
	
			for (int i = 0; i < sel.GetCount(); ++i)
			{
				FormObject *pI = GetObject(sel[i]);
				if (!pI) continue;

				if (i == 0) { f1 = pI->GetHAlign(); f2 = pI->GetVAlign(); }

				if (f1 != pI->GetHAlign()) { a1 = false; }
				if (f2 != pI->GetVAlign()) { a2 = false; }
			}

			DrawSprings(w, Zoom(s), f1, f2, a1, a2, a1, a2, false);
			DrawRect(w, Zoom(s), 1, LtRed());

			s = GetSelectionRect().Offseted(-g.cx, -g.cy);
			s.SetSize(s.GetSize() + Size(g.cx * 2, g.cy * 2));

			DrawGroupTools(w, Zoom(s));
		}
//.........这里部分代码省略.........
开发者ID:AbdelghaniDr，项目名称:mirror，代码行数:101，代码来源:FormViewDraw.cpp

示例6: temp

//---------------------------------------------------------------------------
void    TRForm::HandleSelRect(int   X ,int  Y)
{
    TPoint  temp(X ,Y);
    temp -= leftDownPt;
    switch(Image1->Cursor)
    {
    case TCursor(crSizeAll_): // crSizeAll
    {
        DrawRect(originPt, movePt, pmNotXor);
        //DrawRect(Point(selectedRt.left,selectedRt.top) ,
        //         Point(selectedRt.right,selectedRt.bottom) , pmNotXor);
        // 重新构造originPt movePt，左上角，右下角
        originPt = TPoint(selectedRt.left,selectedRt.top);
        originPt += temp;
        movePt = TPoint(selectedRt.right,selectedRt.bottom);
        movePt += temp;
        DrawRect(originPt, movePt, pmNotXor);
        break;
    }
    case TCursor(crSizeNWSE_): //crSizeNWSE
    {
        if(selectdPos==epLeftUp)
        {
            //ShowMessage("selectdPos==epLeftUp");
            DrawRect(originPt, movePt, pmNotXor);
            originPt = TPoint(selectedRt.right,selectedRt.bottom);
            movePt = TPoint(selectedRt.left,selectedRt.top);
            movePt += temp;
            DrawRect(originPt, movePt, pmNotXor);
        }
        else
        {
            DrawRect(originPt, movePt, pmNotXor);
            originPt = TPoint(selectedRt.left,selectedRt.top);
            movePt = TPoint(selectedRt.right,selectedRt.bottom);
            movePt += temp;
            DrawRect(originPt, movePt, pmNotXor);
        }
        break;
    }
    case TCursor(crSizeNESW_): // crSizeNESW
    {
        if(selectdPos==epLeftDown)
        {
            //ShowMessage("selectdPos==epLeftUp");
            DrawRect(originPt, movePt, pmNotXor);
            originPt = TPoint(selectedRt.right,selectedRt.top);
            movePt = TPoint(selectedRt.left,selectedRt.bottom);
            movePt += temp;
            DrawRect(originPt, movePt, pmNotXor);
        }
        else
        {
            DrawRect(originPt, movePt, pmNotXor);
            originPt = TPoint(selectedRt.left,selectedRt.bottom);
            movePt = TPoint(selectedRt.right,selectedRt.top);
            movePt += temp;
            DrawRect(originPt, movePt, pmNotXor);
        }
        break;
    }
    case crCross:
    {
        /*------ */
        break;
    }
    case TCursor(crCursor_):
        break;
    default :
        break;
    }
}
开发者ID:huangjunkun，项目名称:code_joy_with_cpp_builder_6，代码行数:73，代码来源:RegionSubUnit.cpp

示例7: lineStart

void MyApp::DrawSingleMode()
{
	FvRobotClientAppPtr spApp = FvRobotMainApp::Instance().GetRobotInSingleMode();

	int lineStart(LINE_START);
	int lineStep(LINE_STEP);

	//! 显示地图信息
	DrawString(0, lineStart, CLR_WHITE, "-------Single Mode-------");
	lineStart += lineStep;
	DrawString(0, lineStart, CLR_WHITE, "ShowHelpInfo: H");
	lineStart += lineStep;
	if(!spApp)
	{
		DrawString(0, lineStart, CLR_WHITE, "Err: No Selected Robot");
		lineStart += lineStep;
		return;
	}
	if(1)
	{
		DrawString(0, lineStart, CLR_WHITE, "ServerTime:%.1f", spApp->GetServerConnection()->ServerTime());
		lineStart += lineStep;

		DrawString(0, lineStart, CLR_WHITE, "ServerToDScaling:%.2f,ServerToD:%.2f", spApp->GetToDScaling(), spApp->GetToD());
		lineStart += lineStep;

		DrawString(0, lineStart, CLR_WHITE, "SpaceID:%d, Type:%d, RobotID:%d", spApp->SpaceID(), spApp->SpaceType(), spApp->RobotID());
		lineStart += lineStep;

		//! 显示Space
		const FvRobotMainApp::SpaceInfo* pkSpaceInfo = FvRobotMainApp::Instance().FindSpaceInfo(spApp->SpaceType());
		if(!pkSpaceInfo)
		{
			DrawString(0, lineStart, CLR_WHITE, "Err:No Space Info");
			lineStart += lineStep;
			return;
		}
		else
		{
			if(m_bResetWindow4Space)
			{
				m_bResetWindow4Space = false;
				SetWindowFit2Rect(pkSpaceInfo->kSpaceRect);
			}

			for(int i=0; i<(int)pkSpaceInfo->kCells.size(); ++i)
			{
				DrawRect(pkSpaceInfo->kCells[i], CLR_YELLOW);
			}
			DrawRect(pkSpaceInfo->kSpaceRect, CLR_YELLOW);
		}

		//! 显示实体
		if(1)
		{
			const FvRobotClientApp::EntityMap& kEntityMap = spApp->GetEntityMap();
			//! 显示实体数量
			DrawString(0, lineStart, CLR_WHITE, "Entities:%d", kEntityMap.size());
			lineStart += lineStep;
			FvRobotClientApp::EntityMap::const_iterator itrB = kEntityMap.begin();
			FvRobotClientApp::EntityMap::const_iterator itrE = kEntityMap.end();
			while(itrB != itrE)
			{
				FvEntity* pkEntity = itrB->second;
				p2Clr clr;
				const FvVector3& p3 = pkEntity->GetPos();
				FvVector2 p2(p3.x, p3.y);
				int x,y;
				char charID[32] = {0};
				char robotID[32] = {0};
				char charPos[64] = {0};
				bool bConvertPos(false);
				if(m_bShowEntityID)
				{
					bConvertPos = true;
					sprintf(charID, "%d", pkEntity->GetEntityID());
				}
				if(m_bShowRobotID)
				{
					bConvertPos = true;
					sprintf(robotID, "%d", pkEntity->GetRobotID());
				}
				if(m_bShowEntityPos)
				{
					bConvertPos = true;
					sprintf(charPos, "%.2f,%.2f,%.2f", p3.x, p3.y, p3.z);
				}
				if(bConvertPos)
				{
					ConvertWorldToScreen(p2, x, y);
				}

				if(pkEntity->IsCtrler())//! ctrler
				{
					clr = CLR_RED;
					DrawPoint(p3, clr);
					if(m_bShowEntityID)
					{
						DrawString(x, y, clr, charID);
					}
//.........这里部分代码省略.........
开发者ID:Kiddinglife，项目名称:geco-game-engine，代码行数:101，代码来源:MyApp.cpp

示例8: FillRect

void TextInput::Draw( Rect area )
{
   FillRect( Bounds(), 0x888888 );
   DrawRect( Bounds(), 0x999999 );
   DrawString( 2,2, m_text, 0 );
}
开发者ID:AdamRLukaitis，项目名称:spoon，代码行数:6，代码来源:TextInput.cpp

示例9: Update

void Car::Draw()
{
	Update();

	if (yDraw < (float)(y - 1) || yDraw >(float)(y + 1))
	{
		yDraw += ((float)y - yDraw) / 10.0f;
	}

	int yInt = (int)yDraw;

	if (mode == 'n' && y <= -200)
	{
		DrawRect(x, y, 122, 135, color.r, color.g, color.b);

		if (btnBubble->ClickedOnThisFrame() && gPause)
		{
			mode = 'w';
			chargeCurrent = 0.0;
			timeDue = gTime + addTime;
			active = false;
		}

		btnBubble->Draw();
	}
	else
	{
		active = true;

		//sprite->Draw(x, yInt);
		DrawRect(x, yInt, 122, 192, color.r, color.g, color.b);


		text->Draw(x + 5, yInt + 10, "Chrg:     " + std::to_string(((int)chargeCurrent)) + "%");
		text->Draw(x + 5, yInt + 25, "ChrgRate: " + std::to_string((int)(chargeRate*gFramesToSeconds)) + "ps");

		text->Draw(x + 5, yInt + 50, "TimeWait: " + SecondsToTime(waitTime));

		if (timeDue + GetChargeTime() >= gTime) text->Draw(x + 5, yInt + 80, "TimeToCh: " + ToTime(GetChargeTime()), 0, 150, 0);
		else									text->Draw(x + 5, yInt + 80, "TimeToCh: " + ToTime(GetChargeTime()), 150, 0, 0);

		if (timeDue >= gTime)	text->Draw(x + 5, yInt + 95, "TimeDue:  " + SecondsToTime(timeDue), 0, 225, 0);
		else					text->Draw(x + 5, yInt + 95, "TimeDue:  " + SecondsToTime(timeDue), 225, 0, 0);


		//text->Draw(x + 20, yInt + 30, "Max: " + std::to_string((int)(chargeMax)) + "kWh");
		//text->Draw(x + 20, yInt + 110, "Use: " + std::to_string((int)(chargeUse*100.0f)) + "pf");

		std::string bar = "";
		for (unsigned i = 0; i < (int)chargeCurrent; i += 10)
		{
			bar += "|";
		}

		text->Draw(x + 24, yInt + 140, bar, 0, 200, 0);

		if (gPause)
		{
			btnReturn->y = yInt + 160;
			btnReturn->Draw();
		}

		if (btnReturn->ClickedOnThisFrame() && gPause)
		{
			Reset();
		}

		if (gPause)
		{
			btnL1->y = yInt + 75;
			btnR1->y = yInt + 75;
			btnL2->y = yInt + 92;
			btnR2->y = yInt + 92;

			if (btnL1->Clicked())
			{
				if (GetChargeTime() > 0.01)
				{
					chargeRate += 0.0005;
				}
			}
			if (btnR1->Clicked())
			{
				if (chargeRate > 0.005)
				{
					chargeRate -= 0.0005;

					if (timeDue < gTime + GetMaxChargeTime() + 1)
					{
						addTime = GetMaxChargeTime() + 1;
						timeDue = gTime + addTime;
					}
				}
			}

			if (btnR2->Clicked())
			{
				addTime += 0.1;
				timeDue = gTime + addTime;
			}
//.........这里部分代码省略.........
开发者ID:Milun，项目名称:Swag-Cars，代码行数:101，代码来源:car.cpp

示例10: DrawRect

NS_IMETHODIMP
nsThebesRenderingContext::DrawRect(nscoord aX, nscoord aY, nscoord aWidth, nscoord aHeight)
{
    DrawRect(nsRect(aX, aY, aWidth, aHeight));
    return NS_OK;
}
开发者ID:MozillaOnline，项目名称:gecko-dev，代码行数:6，代码来源:nsThebesRenderingContext.cpp

示例11: DrawRect

void Renderer::DrawRect(const Vector2D& lefttop, const Vector2D& rightbottom, float lineWidth) 
{ 
	DrawRect(Rect2D(lefttop, rightbottom), lineWidth); 
}
开发者ID:SimpleManGames，项目名称:DirectEngine，代码行数:4，代码来源:Renderer.cpp

示例12: WatchJoystick


//.........这里部分代码省略.........
                break;
            case SDL_JOYBALLMOTION:
                printf("Joystick %d ball %d delta: (%d,%d)\n",
                       event.jball.which,
                       event.jball.ball, event.jball.xrel, event.jball.yrel);
                break;
            case SDL_JOYBUTTONDOWN:
                printf("Joystick %d button %d down\n",
                       event.jbutton.which, event.jbutton.button);
                break;
            case SDL_JOYBUTTONUP:
                printf("Joystick %d button %d up\n",
                       event.jbutton.which, event.jbutton.button);
                break;
            case SDL_KEYDOWN:
                if ((event.key.keysym.sym != SDLK_ESCAPE) &&
                    (event.key.keysym.sym != SDLK_AC_BACK)) {
                    break;
                }
                /* Fall through to signal quit */
            case SDL_FINGERDOWN:
            case SDL_MOUSEBUTTONDOWN:
            case SDL_QUIT:
                done = SDL_TRUE;
                break;
            default:
                break;
            }
        }
        /* Update visual joystick state */
        SDL_SetRenderDrawColor(screen, 0x00, 0xFF, 0x00, SDL_ALPHA_OPAQUE);
        for (i = 0; i < SDL_JoystickNumButtons(joystick); ++i) {
            if (SDL_JoystickGetButton(joystick, i) == SDL_PRESSED) {
                DrawRect(screen, (i%20) * 34, SCREEN_HEIGHT - 68 + (i/20) * 34, 32, 32);
            }
        }

        SDL_SetRenderDrawColor(screen, 0xFF, 0x00, 0x00, SDL_ALPHA_OPAQUE);
        for (i = 0; i < SDL_JoystickNumAxes(joystick); ++i) {
            /* Draw the X/Y axis */
            int x, y;
            x = (((int) SDL_JoystickGetAxis(joystick, i)) + 32768);
            x *= SCREEN_WIDTH;
            x /= 65535;
            if (x < 0) {
                x = 0;
            } else if (x > (SCREEN_WIDTH - 16)) {
                x = SCREEN_WIDTH - 16;
            }
            ++i;
            if (i < SDL_JoystickNumAxes(joystick)) {
                y = (((int) SDL_JoystickGetAxis(joystick, i)) + 32768);
            } else {
                y = 32768;
            }
            y *= SCREEN_HEIGHT;
            y /= 65535;
            if (y < 0) {
                y = 0;
            } else if (y > (SCREEN_HEIGHT - 16)) {
                y = SCREEN_HEIGHT - 16;
            }

            DrawRect(screen, x, y, 16, 16);
        }
开发者ID:Chenhx，项目名称:moai-dev，代码行数:66，代码来源:testjoystick.c

示例13: CheckBox_Paint

//----CheckBox绘制函数----------------------------------------------------------
//功能：这是CheckBox控件的MSG_PAINT消息响应函数
//参数：pMsg，消息指针
//返回：固定true
//-----------------------------------------------------------------------------
static  bool_t CheckBox_Paint(struct WindowMsg *pMsg)
{
    HWND hwnd;
    HDC hdc;
    RECT rc;
    RECT rc0;

    hwnd=pMsg->hwnd;
    hdc =BeginPaint(hwnd);
    if(NULL!=hdc)
    {
        GetClientRect(hwnd,&rc0);

        SetTextColor(hdc,RGB(1,1,1));
        SetDrawColor(hdc,RGB(40,40,40));
        SetFillColor(hdc,RGB(200,200,200));

        FillRect(hdc,&rc0);

        if(hwnd->Style&CBS_SELECTED)
        {
            CopyRect(&rc,&rc0);
            rc.right =rc.left+RectH(&rc0);

            InflateRect(&rc,-2,-2);
            SetDrawColor(hdc,RGB(70,70,70));
            DrawRect(hdc,&rc);

            InflateRect(&rc,-1,-1);
            SetDrawColor(hdc,RGB(110,110,110));
            DrawRect(hdc,&rc);

            InflateRect(&rc,-1,-1);
            SetFillColor(hdc,RGB(240,240,240));
            FillRect(hdc,&rc);

            InflateRect(&rc,-4,-4);
            SetDrawColor(hdc,RGB(150,150,240));
            DrawRect(hdc,&rc);
            InflateRect(&rc,-1,-1);
            SetDrawColor(hdc,RGB(100,100,220));
            DrawRect(hdc,&rc);

            InflateRect(&rc,-1,-1);
            SetFillColor(hdc,RGB(50,50,200));
            FillRect(hdc,&rc);
        }
        else
        {
            CopyRect(&rc,&rc0);
            rc.right =rc.left+RectH(&rc0);

            InflateRect(&rc,-2,-2);
            SetDrawColor(hdc,RGB(100,100,100));
            DrawRect(hdc,&rc);

            InflateRect(&rc,-1,-1);
            SetDrawColor(hdc,RGB(160,160,160));
            DrawRect(hdc,&rc);

            InflateRect(&rc,-1,-1);
            SetFillColor(hdc,RGB(220,220,220));
            FillRect(hdc,&rc);

        }

        CopyRect(&rc,&rc0);
        InflateRectEx(&rc,-RectH(&rc),0,0,0);

        DrawText(hdc,hwnd->Text,-1,&rc,DT_LEFT|DT_VCENTER);
        EndPaint(hwnd,hdc);
    }

    return true;

}
开发者ID:djyos，项目名称:djyos，代码行数:81，代码来源:gdd_checkbox.c

示例14: switch

void enemyS::Draw(int tex_id, int tex_id_bala, int estat)
{
	float xo = 0.0f, yo = 0.0f, xf = 0.0f, yf = 0.0f;
	char psentit = 'X';

	if (estat == 0) {
		switch (GetState())
		{
			//1
		case STATE_LOOKLEFT:	xo = 0.0f;	yo = 0.0f;
			psentit = 'L';
			break;
			//4
		case STATE_LOOKRIGHT:	xo = 0.0f;	yo = 0.0f;
			psentit = 'R';
			break;
			//1..3
			//11 sprites en dues files 1/11=0.0909
		case STATE_WALKLEFT:	xo = 0.093f + (GetFrame()*0.0909f);
			if (xo > 0.92f) yo = 0.5f;
			psentit = 'L';
			NextFrame(22);
			break;
			//4..6
		case STATE_WALKRIGHT:	xo = 0.093f + (GetFrame()*0.0909f);
			if (xo > 0.92f) yo = 0.5f;
			psentit = 'R';
			NextFrame(22);
			break;
		}
		xf = xo + 0.0909f;
		yf = yo + 0.5f;

		if (psentit == 'L') {
			DrawRect(tex_id, xo, yo, xf, yf, psentit, false);
			for (int i = 0; i < 100; ++i) {
				if (i <= aaa) {
					DrawRectBullet(psentit, tex_id_bala, i);
				}
			}
			if (aaa < 99) {
				if (GetFrame() == 1) bL = true;
				if (bL && GetFrame() != 1) {
					aaa = aaa + 1;
					bL = false;
				}
			}
			else aaa = 0;
		}
		else {
			DrawRect(tex_id, xo, yo, xf, yf, psentit, false);
			for (int i = 0; i < 100; ++i) {
				if (i <= bbb) {
					DrawRectBullet(psentit, tex_id_bala, i);
				}
			}
			if (bbb < 99) {
				if (GetFrame() == 1) bR = true;
				if (bR && GetFrame() != 1) {
					bbb = bbb + 1;
					bR = false;
				}
			}
			else bbb = 0;
		}
	}

	else if (estat == 1) {	//mort
		if (GetFrame() == 5) {
			xo = 0.833333f;
			xf = 1.0f;
			yo = 0.0f;
			yf = 1.0f;
			switch (GetState())
			{
			case STATE_LOOKLEFT:
				psentit = 'L';
				break;
			case STATE_LOOKRIGHT:
				psentit = 'R';
				break;
			case STATE_WALKLEFT:
				psentit = 'L';
				break;
			case STATE_WALKRIGHT:
				psentit = 'R';
				break;
			}
		}
		else {
			switch (GetState())
			{
			case STATE_LOOKLEFT:	xo = 0.0f;	yo = 0.0f;
				psentit = 'L';
				break;
			case STATE_LOOKRIGHT:	xo = 0.0f;	yo = 0.0f;
				psentit = 'R';
				break;
				//1/6=0.16667
			case STATE_WALKLEFT:	xo = 0.16667f + (GetFrame()*0.16667f);
//.........这里部分代码省略.........
开发者ID:darioo57，项目名称:joc2D，代码行数:101，代码来源:enemyS.cpp

示例15: ATLASSERT

//------------------------------------------------------    
BOOL CRectTracker::TrackHandle( HWND hWnd, const LPPOINT point, int HitTest )
{
	ATLASSERT(point);

    if ((HitTest != hitBegin) && (HitTest != hitEnd) && (HitTest != hitMiddle))
        return FALSE;

    if (!IsValidPos())
        return FALSE;

    // set mouse cursor parameters
    RECT CursorRect;

    if (IsRectEmpty(&ValidRect))
    {
        GetClientRect(hWnd, &CursorRect);
    }
    else
    {
        // valid rectangle is not empty
        if (HitTest == hitMiddle)
        {
            RECT BeginRect = ValidRect;
			OffsetRect(&BeginRect, point->x, point->y);
			OffsetRect(&BeginRect,  -CurPos.Begin.x, -CurPos.Begin.y);
            NormalizeRect(&BeginRect);

            RECT EndRect = ValidRect;
			OffsetRect(&EndRect, point->x, point->y);
			OffsetRect(&EndRect,  -CurPos.End.x, -CurPos.End.y);
            NormalizeRect(&EndRect);

            CursorRect = ValidRect;
            IntersectRect(&CursorRect, &CursorRect, &BeginRect);
            IntersectRect(&CursorRect, &CursorRect, &EndRect);
        }
        else
            CursorRect = ValidRect;
    };

    if (IsRectEmpty(&CursorRect))
        return FALSE;

    ClientToScreen(hWnd, (LPPOINT)&CursorRect );
    ClientToScreen(hWnd, ((LPPOINT)&CursorRect)+1 );
    ClipCursor(&CursorRect);
    SetCapture(hWnd);

	// get DC for drawing
	HDC dc = GetDC(hWnd);

    // set dc parameters
    HPEN LinePen = CreatePen( PS_SOLID, LineWidth, CLR_WHITE );
    HPEN hOldPen = (HPEN)SelectObject(dc, LinePen);
    SetROP2(dc, R2_XORPEN );

    KLinePos OriginalPos = CurPos;
    BOOL bCanceled = FALSE;

    // draw the rectangle for the first time
	DrawRect(dc, &CurPos.Begin, &CurPos.End);

	// get messages until capture lost or cancelled/accepted
    BOOL bExit = FALSE;
    KLinePos NewPos;

	while (!bExit)
	{
		MSG msg;
		BOOL b = ::GetMessage(&msg, NULL, 0, 0);
		ATLASSERT(b);

		if (GetCapture() != hWnd)
			break; // exit loop

		switch (msg.message)
		{
		    // handle movement/accept messages
		    case WM_LBUTTONUP:
		    case WM_MOUSEMOVE:
                {
			        NewPos = CurPos;
                    POINT MousePoint = { (int)(short)LOWORD(msg.lParam), (int)(short)HIWORD(msg.lParam) };

                    switch (HitTest)
                    {
                        case hitBegin:
                            NewPos.Begin = MousePoint;
                            break;

                        case hitEnd:
                            NewPos.End = MousePoint;
                            break;

                        case hitMiddle:
                             NewPos.Begin.x = OriginalPos.Begin.x + (MousePoint.x-point->x);
                             NewPos.Begin.y = OriginalPos.Begin.y + (MousePoint.y-point->y);

                             NewPos.End.x = OriginalPos.End.x + (MousePoint.x-point->x);
//.........这里部分代码省略.........
开发者ID:Mariale13，项目名称:UDS_Protocol，代码行数:101，代码来源:RectTracker.cpp


注：本文中的DrawRect函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。