Graphics.cpp
资源名称:realtime.rar [点击查看]
上传用户:mgf822
上传日期:2013-10-03
资源大小:133k
文件大小:19k
源码类别:
对话框与窗口
开发平台:
Visual C++
- #include "stdafx.h"
- //#include <windows.h>
- //#include <stdio.h>
- #include "graphics.h"
- ///////////////////////////////////////////////////////////////////////////////
- // class CGroupLines
- CGraphics::CGraphics()
- {
- m_Ratio.xmin = 0;
- m_Ratio.ymin = 0;
- m_Ratio.xmax = 1;
- m_Ratio.ymax = 1;
- m_nBackColor = RGB(255, 255, 255);
- m_nGridColor = RGB(192, 192, 192);
- m_nBorderColor = RGB(0, 0, 0);
- m_nTickColor = RGB(0, 0, 255);
- m_nTitleColor = RGB(255, 0, 0);
- m_nXDecimal = 0;
- m_nYDecimal = 0;
- XGridTicks = 10;
- YGridTicks = 10;
- XTicks = 50;
- YTicks = 50;
- m_bEnableLegend = true;
- m_bPrinting = false;
- m_bLegendShadow = true;
- m_bMemoryDraw = true;
- m_nPrintScale = 8;
- m_nAxesType = XY;
- m_nXStep = 0;
- m_nYStep = 0;
- m_LogFont.lfWidth = 0;
- m_LogFont.lfItalic = false;
- m_LogFont.lfUnderline = false;
- m_LogFont.lfStrikeOut = false;
- m_LogFont.lfCharSet = ANSI_CHARSET;
- m_LogFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
- m_LogFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
- m_LogFont.lfQuality = PROOF_QUALITY;
- m_LogFont.lfPitchAndFamily = DEFAULT_PITCH;
- strcpy(m_LogFont.lfFaceName,"Ariel");
- crTable[0] = RGB(255, 255, 255); // White
- crTable[1] = RGB( 0, 0, 0); // Black
- crTable[2] = RGB(255, 0, 0); // Red
- crTable[3] = RGB( 0, 255, 0); // Green
- crTable[4] = RGB( 0, 0, 255); // Blue
- crTable[5] = RGB(255, 0, 255); // Magenta
- crTable[6] = RGB( 0, 255, 255); // Cyan
- crTable[7] = RGB(128, 128, 128); // Grey
- crTable[8] = RGB(128, 128, 0); // Brown
- crTable[9] = RGB(128, 0, 128); // Purple
- crTable[10] = RGB( 0, 128, 128); // Aqua
- crTable[11] = RGB(128, 0, 0); //
- crTable[12] = RGB( 0, 128, 0); //
- crTable[13] = RGB( 0, 0, 128); //
- crTable[14] = RGB(192, 192, 192); //
- crTable[15] = RGB(255, 255, 0); // Yellow
- m_Bitmap = 0;
- }
- void CGraphics::SetPrintScale(HDC& hDC, RECT& rect)
- {
- int Width = ::GetDeviceCaps(hDC, HORZRES);
- int Height = ::GetDeviceCaps(hDC, VERTRES);
- int wd = abs(rect.right - rect.left);
- int ht = abs(rect.bottom - rect.top);
- m_nPrintScale = (wd + ht) / (Width + Height);
- m_bPrinting = true;
- RecalcRects(rect);
- }
- void CGraphics::RecalcRects(RECT& rt)
- {
- //m_Rect = rt;
- m_ClientRect = rt;
- SetPixelRect(rt);
- m_bM = (m_Rect.bottom - m_Rect.top) / 6;
- m_tM = (m_Rect.bottom - m_Rect.top) / 10;
- m_lM = m_rM = (m_Rect.right - m_Rect.left) / 8;
- m_PlotRect.left = m_Rect.left + m_lM;
- if (m_bEnableLegend)
- m_PlotRect.right= m_Rect.right - 3 * m_rM / 2;
- else
- m_PlotRect.right= m_Rect.right - m_rM;
- m_PlotRect.top = m_Rect.top + m_tM;
- m_PlotRect.bottom = m_Rect.bottom - m_bM;
- GL = m_PlotRect.left;
- GR = m_PlotRect.right;
- GT = m_PlotRect.top;
- GB = m_PlotRect.bottom;
- PX = GR - GL;
- PY = GB - GT;
- m_Scale.dx = (m_Scale.xmax- m_Scale.xmin) / PX;
- m_Scale.dy = (m_Scale.ymax- m_Scale.ymin) / PY;
- m_Size.cx = (PY < PX) ? PY : PX;
- }
- void CGraphics::BeginDraw(HDC hDC)
- {
- if (m_bPrinting || !m_bMemoryDraw)
- m_hDC = hDC;
- else
- {
- ::GetClipBox(hDC, &m_ClipBox);
- m_hDC = ::CreateCompatibleDC(hDC);
- m_Bitmap = ::CreateCompatibleBitmap(hDC, m_ClipBox.right - m_ClipBox.left,
- m_ClipBox.bottom - m_ClipBox.top);
- m_OldBitmap = (HBITMAP)::SelectObject(m_hDC, m_Bitmap);
- ::SetWindowOrgEx(m_hDC, m_ClipBox.left, m_ClipBox.top, NULL);
- }
- DrawBkGround();
- }
- void CGraphics::EndDraw(HDC hDC)
- {
- if (m_bPrinting || !m_bMemoryDraw)
- {
- m_bPrinting = false;
- return;
- }
- ::BitBlt(hDC, m_ClipBox.left, m_ClipBox.top, m_ClipBox.right - m_ClipBox.left,
- m_ClipBox.bottom - m_ClipBox.top, m_hDC, m_ClipBox.left, m_ClipBox.top, SRCCOPY);
- ::SelectObject(m_hDC, m_OldBitmap);
- ::DeleteObject(m_Bitmap);
- ::DeleteDC(m_hDC);
- }
- void CGraphics::DrawBkGround()
- {
- HBRUSH hBrush = ::CreateSolidBrush(m_nBackColor);
- HBRUSH hBrold = (HBRUSH)::SelectObject(m_hDC, hBrush);
- ::Rectangle(m_hDC, m_ClientRect.left, m_ClientRect.top,
- m_ClientRect.right, m_ClientRect.bottom);
- ::SelectObject(m_hDC, hBrold);
- ::DeleteObject(hBrush);
- }
- void CGraphics::SetRatio(double xmin, double ymin, double xmax, double ymax)
- {
- m_Ratio.xmin = xmin;
- m_Ratio.ymin = ymin;
- m_Ratio.xmax = xmax;
- m_Ratio.ymax = ymax;
- }
- void CGraphics::GetPixelRect(RECT& rt)
- {
- rt.left = m_Rect.left;
- rt.top = m_Rect.top;
- rt.right = m_Rect.right;
- rt.bottom = m_Rect.bottom;
- }
- void CGraphics::SetPixelRect(RECT rt)
- {
- LONG Width = rt.right - rt.left;
- LONG Height = rt.bottom - rt.top;
- m_Rect.left = (LONG)(rt.left + m_Ratio.xmin * Width);
- m_Rect.top = (LONG)(rt.top + m_Ratio.ymin * Height);
- m_Rect.right = (LONG)(rt.right - (1 - m_Ratio.xmax) * Width);
- m_Rect.bottom = (LONG)(rt.bottom - (1 - m_Ratio.ymax) * Height);
- }
- void CGraphics::Title(const char* Title, int Pos)
- {
- m_LogFont.lfHeight = (int)(m_Size.cx / -15.0);
- if (m_LogFont.lfHeight > -10)
- m_LogFont.lfHeight = -10;
- m_LogFont.lfWeight = 700;
- m_LogFont.lfOrientation= 0;
- m_LogFont.lfEscapement = 0;
- m_Font = ::CreateFontIndirect(&m_LogFont);
- if (m_Font)
- {
- int bm = ::SetBkMode(m_hDC, TRANSPARENT);
- HFONT hOldFont = (HFONT)::SelectObject(m_hDC, m_Font);
- ::SetTextColor(m_hDC, RGB(0, 0, 0));
- SetStringAlign(CENTER, CENTER);
- if (Pos == TOP)
- {
- PrintString((GL + GR) / 2, (m_Rect.top + GT ) / 2 + 1, 0, Title);
- ::SetTextColor(m_hDC, m_nTitleColor);
- PrintString((GL + GR) / 2, (m_Rect.top + GT ) / 2, 0, Title);
- }
- else
- {
- int n = m_Rect.bottom - (m_Rect.bottom - GB) / 3;
- PrintString((GL + GR) / 2, n + 1, 0, Title);
- ::SetTextColor(m_hDC, m_nTitleColor);
- PrintString((GL + GR) / 2, n, 0, Title);
- }
- ::SelectObject(m_hDC, hOldFont);
- ::DeleteObject(m_Font);
- ::SetBkMode(m_hDC, bm);
- }
- }
- void CGraphics::XAxisTitle(const char* Title, int Pos)
- {
- m_LogFont.lfHeight = (int)(m_Size.cx / -20.0);
- if (m_LogFont.lfHeight > -10)
- m_LogFont.lfHeight = -10;
- m_LogFont.lfWeight = 700;
- m_LogFont.lfOrientation= 0;
- m_LogFont.lfEscapement = 0;
- m_Font = ::CreateFontIndirect(&m_LogFont);
- if (m_Font)
- {
- int bm = ::SetBkMode(m_hDC, TRANSPARENT);
- HFONT hOldFont = (HFONT)::SelectObject(m_hDC, m_Font);
- ::SetTextColor(m_hDC, m_nTitleColor);
- SetStringAlign(CENTER, CENTER);
- if (Pos == TOP)
- PrintString((GL + GR) / 2, (m_Rect.top + GT ) / 2, 0, Title);
- else
- PrintString((GL + GR) / 2, m_Rect.bottom - (m_Rect.bottom - GB) / 3, 0, Title);
- ::SelectObject(m_hDC, hOldFont);
- ::DeleteObject(m_Font);
- ::SetBkMode(m_hDC, bm);
- }
- }
- void CGraphics::YAxisTitle(const char* Title, int Pos)
- {
- m_LogFont.lfHeight = (int)(m_Size.cx / -20.0);
- if (m_LogFont.lfHeight > -10)
- m_LogFont.lfHeight = -10;
- m_LogFont.lfWeight = 700;
- if (Pos == LEFT)
- {
- m_LogFont.lfOrientation= 900;
- m_LogFont.lfEscapement = 900;
- }
- else
- {
- m_LogFont.lfOrientation= -900;
- m_LogFont.lfEscapement = -900;
- }
- m_Font = ::CreateFontIndirect(&m_LogFont);
- if (m_Font)
- {
- int bm = ::SetBkMode(m_hDC, TRANSPARENT);
- HFONT hOldFont = (HFONT)::SelectObject(m_hDC, m_Font);
- ::SetTextColor(m_hDC, m_nTitleColor);
- SetStringAlign(CENTER, CENTER);
- if (Pos == LEFT)
- PrintString(m_Rect.left + (GL - m_Rect.left) / 3, (GT + GB) / 2, 90, Title);
- else
- PrintString(m_Rect.right - (m_Rect.right - GR) / 3, (GT + GB) / 2, -90, Title);
- ::SelectObject(m_hDC, hOldFont);
- ::DeleteObject(m_Font);
- ::SetBkMode(m_hDC, bm);
- }
- }
- void CGraphics::DrawBoundary(COLORREF cr, int size)
- {
- HPEN hPen = ::CreatePen(PS_SOLID, size, cr);
- HPEN hOldPen = (HPEN)::SelectObject(m_hDC, hPen);
- int n = 5;
- if (m_bPrinting) n *= m_nPrintScale;
- DrawRectangle(m_Rect.left + n, m_Rect.top + n,
- m_Rect.right - n, m_Rect.bottom - n);
- ::SelectObject(m_hDC, hOldPen);
- ::DeleteObject(hPen);
- }
- void CGraphics::Legend(COLORREF cr, int Index, const char* Name)
- {
- m_LogFont.lfHeight = (int)(m_Size.cx / -25.0);
- if (m_LogFont.lfHeight > -10)
- m_LogFont.lfHeight = -10;
- m_LogFont.lfWeight = 500;
- m_LogFont.lfOrientation= 0;
- m_LogFont.lfEscapement = 0;
- m_Font = ::CreateFontIndirect(&m_LogFont);
- if (m_Font)
- {
- int n = (m_Rect.right - GR) / 20 + 1;
- int xb = GR + 2 * n;
- int xe = xb + 4 * n;
- int y = GT - 3 * Index * m_LogFont.lfHeight / 2;
- DrawLine(xb, y, xe, y);
- int bm = ::SetBkMode(m_hDC, TRANSPARENT);
- HFONT hOldFont = (HFONT)::SelectObject(m_hDC, m_Font);
- ::SetTextColor(m_hDC, cr);
- SetStringAlign(LEFT, CENTER);
- PrintString(xe + n, y, 0, Name);
- ::SelectObject(m_hDC, hOldFont);
- ::DeleteObject(m_Font);
- ::SetBkMode(m_hDC, bm);
- }
- }
- void CGraphics::DrawCircle(int x, int y, int radius)
- {
- int x1 = x - radius;
- int y1 = y - radius;
- int x2 = x + radius;
- int y2 = y + radius;
- ::Arc(m_hDC, x1, y1, x2, y2, x, y2, x, y2);
- }
- void CGraphics::DrawFilledCircle(int x, int y, int radius)
- {
- int x1 = x - radius;
- int y1 = y - radius;
- int x2 = x + radius;
- int y2 = y + radius;
- ::Ellipse(m_hDC, x1, y1, x2, y2);
- }
- void CGraphics::DrawRectangle(int x1, int y1, int x2, int y2)
- {
- ::MoveToEx(m_hDC, x1, y1, NULL);
- ::LineTo(m_hDC, x1, y2);
- ::LineTo(m_hDC, x2, y2);
- ::LineTo(m_hDC, x2, y1);
- ::LineTo(m_hDC, x1, y1);
- }
- void CGraphics::PrintString(int x, int y, int theta, const char* fmt)
- {
- WORD Height, Width;
- UINT PreSet;
- double thta;
- PreSet = ::SetTextAlign(m_hDC, TA_LEFT|TA_TOP);
- SIZE size;
- ::GetTextExtentPoint32(m_hDC, fmt, lstrlen(fmt), &size);
- Height = (WORD)size.cy;
- Width = (WORD)size.cx;
- thta = PiV*theta/ConstV;
- if(m_StrAlign.HAlign == LEFT && m_StrAlign.VAlign == TOP)
- {
- }
- else if(m_StrAlign.HAlign == LEFT && m_StrAlign.VAlign == CENTER)
- {
- x = (int)(x - Height/2.*sin(thta));
- y = (int)(y - Height/2.*cos(thta));
- }
- else if(m_StrAlign.HAlign == CENTER && m_StrAlign.VAlign == TOP)
- {
- x = (int)(x - Width/2. * cos(thta));
- y = (int)(y + Width/2. * sin(thta));
- }
- else if(m_StrAlign.HAlign == CENTER && m_StrAlign.VAlign == CENTER)
- {
- x = (int)(x - Width/2. * cos(thta) - Height/2.*sin(thta));
- y = (int)(y + Width/2. * sin(thta) - Height/2.*cos(thta));
- }
- else if(m_StrAlign.HAlign == CENTER && m_StrAlign.VAlign == BOTTOM)
- {
- x = (int)(x - Width/2. * cos(thta) - Height*sin(thta));
- y = (int)(y + Width/2. * sin(thta) - Height*cos(thta));
- }
- else if(m_StrAlign.HAlign == RIGHT && m_StrAlign.VAlign == TOP)
- {
- x = (int)(x - Width * cos(thta));
- y = (int)(y + Width * sin(thta));
- }
- else if(m_StrAlign.HAlign == RIGHT && m_StrAlign.VAlign == CENTER)
- {
- x = (int)(x - Width * cos(thta) - Height/2.*sin(thta));
- y = (int)(y + Width * sin(thta) - Height/2.*cos(thta));
- }
- else if(m_StrAlign.HAlign == RIGHT && m_StrAlign.VAlign == BOTTOM)
- {
- x = (int)(x - Width * cos(thta) - Height*sin(thta));
- y = (int)(y + Width * sin(thta) - Height*cos(thta));
- }
- else //if(m_StrAlign.HAlign == LEFT && m_StrAlign.VAlign == BOTTOM)
- {
- x = (int)(x - Height*sin(thta));
- y = (int)(y - Height*cos(thta));
- }
- ::TextOut(m_hDC, x, y, fmt, lstrlen(fmt));
- ::SetTextAlign(m_hDC, PreSet);
- }
- void CGraphics::Format(int decimal, char* str, float value)
- {
- char tstr[24];
- switch(decimal)
- {
- case 0:
- sprintf(str, "%.f", value);
- return;
- case 1:
- sprintf(tstr, "%.1f", value);
- break;
- case 2:
- sprintf(tstr, "%.2f", value);
- break;
- case 3:
- sprintf(tstr, "%.3f", value);
- break;
- case 4:
- sprintf(tstr, "%.4f", value);
- break;
- default:
- sprintf(tstr, "%.5f", value);
- break;
- }
- if (fabs(value) > 0.99999)
- {
- _gcvt(atof(tstr), 12, str);
- if (str[lstrlen(str)-1] == '.')
- str[lstrlen(str)-1] = ' ';
- }
- else
- {
- if (fabs(value) <1.0e-10)
- lstrcpy(str, "0");
- else
- {
- lstrcpy(str, tstr);
- int n = lstrlen(str) - 1;
- while(str[n] == '0' && n >= 0)
- str[n--] = ' ';
- }
- }
- }
- void CGraphics::Grid()
- {
- int i, j;
- HPEN hPen = ::CreatePen(PS_DOT, 0, m_nGridColor);
- HPEN hOldPen = (HPEN)::SelectObject(m_hDC, hPen);
- for(i = 1; i < XGridTicks; i ++)
- {
- j = GL + (int)(1.0 * i * (GR-GL) / XGridTicks);
- DrawLine(j, GT + 1, j, GB - 1);
- }
- for(i = 1; i < YGridTicks; i ++)
- {
- j = GT + (int)(1.0 * i * (GB-GT) / YGridTicks);
- DrawLine(GL + 1, j, GR - 1, j);
- }
- ::SelectObject(m_hDC, hOldPen);
- ::DeleteObject(hPen);
- }
- void CGraphics::XAxis()
- {
- int xb, yb, xe, ye;
- int i, j;
- char str[32];
- float value;
- yb=GB;
- j = XTicks / 10;
- for(i = 0; i <= XTicks; i ++)
- {
- xb = xe = (int)(GL + 1.0 * PX * i / XTicks );
- if((i % j) == 0)
- {
- ye = GB + m_bM / 7;
- value = (float)(m_Scale.xmin + i * (m_Scale.xmax - m_Scale.xmin) / XTicks);
- Format(m_nXDecimal, str, value);
- PrintString(xb, GB + m_bM / 5, 0, str);
- }
- else
- ye = GB + m_bM / 14;
- if (i > 0 && i < XTicks)
- DrawLine(xb, yb, xe, ye);
- }
- }
- void CGraphics::YAxis()
- {
- int xb, yb, xe, ye;
- int i, j;
- char str[32];
- float value;
- xe = GL;
- j = YTicks / 10;
- for(i = 0; i <= YTicks; i ++)
- {
- yb = ye = (int)(GT + 1.0 * PY * i / YTicks );
- if((i % j) == 0)
- {
- xb = GL - m_lM / 10;
- value = (float)(m_Scale.ymax - i * (m_Scale.ymax - m_Scale.ymin) / YTicks);
- Format(m_nYDecimal, str, value);
- PrintString(GL - m_lM / 6, yb, 0, str);
- }
- else
- xb = GL - m_lM / 20;
- if (i > 0 && i < YTicks)
- DrawLine(xb, yb, xe, ye);
- }
- }
- void CGraphics::Ticks()
- {
- SetStringAlign(CENTER, TOP);
- XAxis();
- SetStringAlign(RIGHT, CENTER);
- YAxis();
- }
- void CGraphics::RightYTick()
- {
- if (m_bEnableLegend)
- return;
- int xb, yb, xe, ye;
- int i, j, k;
- char str[32];
- float value;
- xb = GR;
- SetStringAlign(LEFT, CENTER);
- if (m_nAxesType == XY || m_nAxesType == XLOG)
- {
- j = YTicks / 10;
- for(i = 0; i <= YTicks; i ++)
- {
- yb = ye = (int)(GT + 1.0 * PY * i / YTicks );
- if((i % j) == 0)
- {
- xe = GR + m_rM / 10;
- value = (float)(m_Scale.ymax - i * (m_Scale.ymax - m_Scale.ymin) / YTicks);
- Format(m_nYDecimal, str, value);
- PrintString(GR + m_rM / 6, yb, 0, str);
- }
- else
- xe = GR + m_rM / 20;
- if (i > 0 && i < YTicks)
- DrawLine(xb, yb, xe, ye);
- }
- }
- else
- {
- for(i = 1; i <= m_nYStep; i ++)
- {
- for(j = 1; j <= 10; j ++)
- {
- if (k == 0)
- xe = GR + m_rM / 10;
- else
- xe = GR + m_rM / 20;
- yb = ye = GB - (int)(log10(j) * PY / m_nYStep + 1.0 * (i - 1) * PY / m_nYStep);
- if (j == 1)
- {
- value = (float)(pow(10.0, m_Scale.ymin) * pow(10.0, i - 1));
- Format(m_nYDecimal, str, value);
- PrintString(GR + m_rM / 6, yb, 0, str);
- }
- if ((i != 1 || j != 1) && (i != m_nYStep || j != 10))
- DrawLine(xb, yb, xe, ye);
- k = 1;
- }
- k=0;
- }
- value = (float)(pow(10.0, m_Scale.ymin) * pow(10.0, i - 1));
- Format(m_nYDecimal, str, value);
- PrintString(GR + m_rM / 6, yb, 0, str);
- }
- }
- void CGraphics::Axes()
- {
- int bm = ::SetBkMode(m_hDC, TRANSPARENT);
- HPEN hPen = ::CreatePen(PS_SOLID, 0, m_nBorderColor);
- HPEN hOldPen = (HPEN)::SelectObject(m_hDC, hPen);
- DrawRectangle(GL, GT, GR, GB);
- m_LogFont.lfHeight = (int)(m_Size.cx / -25.0);
- if (m_LogFont.lfHeight > -10)
- m_LogFont.lfHeight = -10;
- m_LogFont.lfWeight = 500;
- m_LogFont.lfOrientation= 0;
- m_LogFont.lfEscapement = 0;
- m_Font = ::CreateFontIndirect(&m_LogFont);
- if (m_Font)
- {
- HFONT hOldFont = (HFONT)::SelectObject(m_hDC, m_Font);
- SetTextColor(m_hDC, m_nTickColor);
- Ticks();
- RightYTick();
- ::SelectObject(m_hDC, hOldFont);
- ::DeleteObject(m_Font);
- }
- ::SelectObject(m_hDC, hOldPen);
- ::DeleteObject(hPen);
- ::SetBkMode(m_hDC, bm);
- }
- void CGraphics::DrawMarker(int x, int y, int mode, int n)
- {
- if (m_bPrinting) n *= m_nPrintScale;
- switch(mode)
- {
- case CROSS:
- DrawLine(x - n, y, x + n, y );
- DrawLine(x, y - n, x, y + n );
- break;
- case STAR:
- DrawLine(x - n, y, x + n, y );
- DrawLine(x - n / 2, (int)(y + n * sqrt(3.) / 2), x + n / 2,
- (int)(y - n * sqrt(3.) / 2));
- DrawLine(x - n / 2, (int)(y - n * sqrt(3.) / 2), x + n / 2,
- (int)(y + n * sqrt(3.) / 2));
- break;
- case FCIRCLE:
- DrawFilledCircle(x, y, n);
- break;
- case FTRIANGLE:
- {
- POINT p[3];
- p[0].x = x - n;
- p[0].y = (int)(y + n * sqrt(3.) / 3);
- p[1].x = x + n;
- p[1].y = (int)(y + n * sqrt(3.) / 3);
- p[2].x = x;
- p[2].y = (int)(y - 2 * n * sqrt(3.) / 3);
- ::Polygon(m_hDC, p, 3);
- break;
- }
- case XCROSS:
- DrawLine((int)(x + n * sqrt(2.) / 2),
- (int)(y - n * sqrt(2.) / 2),
- (int)(x - n * sqrt(2.) / 2),
- (int)(y + n * sqrt(2.) / 2));
- DrawLine((int)(x - n * sqrt(2.) / 2),
- (int)(y - n * sqrt(2.) / 2),
- (int)(x + n * sqrt(2.) / 2),
- (int)(y + n * sqrt(2.) / 2));
- break;
- case CIRCLE:
- DrawCircle(x, y, n);
- break;
- case TRIANGLE:
- DrawLine(x - n, (int)(y + n * sqrt(3.) / 3),
- x + n, (int)(y + n * sqrt(3.) / 3));
- DrawLine(x + n, (int)(y + n * sqrt(3.) / 3),
- x, (int)(y - 2 * n * sqrt(3.) / 3));
- DrawLine(x, (int)(y - 2 * n * sqrt(3.) / 3),
- x - n, (int)(y + n * sqrt(3.) / 3));
- break;
- case FSQUARE:
- ::Rectangle(m_hDC, x - n, y - n, x + n, y + n);
- break;
- case SQUARE:
- DrawRectangle(x - n, y - n, x + n, y + n );
- break;
- case FDIAMOND:
- {
- POINT p[4];
- p[0].x = x - n;
- p[0].y = y;
- p[1].x = x;
- p[1].y = y + n;
- p[2].x = x + n;
- p[2].y = y;
- p[3].x = x;
- p[3].y = y - n;
- ::Polygon(m_hDC, p, 4);
- break;
- }
- case DIAMOND:
- ::MoveToEx(m_hDC, x - n, y, NULL);
- ::LineTo(m_hDC, x, y + n);
- ::LineTo(m_hDC, x + n, y);
- ::LineTo(m_hDC, x, y - n);
- ::LineTo(m_hDC, x - n, y);
- break;
- }
- }
- void CGraphics::DrawShadow(int n)
- {
- HPEN m_CurPen = ::CreatePen(PS_SOLID, 0, RGB(127,127,127));
- HPEN m_OldPen = (HPEN)::SelectObject(m_hDC, m_CurPen);
- HBRUSH hBrush = ::CreateSolidBrush(RGB(127,127,127));
- HBRUSH hBrold = (HBRUSH)::SelectObject(m_hDC, hBrush);
- int w = (m_Rect.right - GR) / 20 + 1;
- int xb = GR + 2 * n;
- ::Rectangle(m_hDC, GR + (int)(2.2 * w), GT - m_LogFont.lfHeight,
- m_Rect.right - (int)(0.8 * w), GT - 2 * (n + 1) * m_LogFont.lfHeight);
- ::SelectObject(m_hDC, hBrold);
- ::DeleteObject(hBrush);
- ::SelectObject(m_hDC, m_OldPen);
- ::DeleteObject(m_CurPen);
- hBrush = ::CreateSolidBrush(RGB(255, 255, 255));
- hBrold = (HBRUSH)::SelectObject(m_hDC, hBrush);
- ::Rectangle(m_hDC, GR + w, GT, m_Rect.right - 2 * w,
- GT - 2 * (n + 1) * m_LogFont.lfHeight + m_LogFont.lfHeight);
- ::SelectObject(m_hDC, hBrold);
- ::DeleteObject(hBrush);
- }