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gjm 164968b62e chore
把非utf8-bom编码的cpp/h文件改为 utf8 bom 编码, msvc识别utf8编码时,如果不是bom格式的,会使用当前cp_oem来解码.
2026-10-04 00:04:20 +08:00

623 lines
11 KiB
C++

//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, SH Software Co. Ltd.
// = FileName : CImageDC 类
// = Version : ver2.0
// = Author : zjq
// = CreateDate : 2002-09-09
// = Description: CImageDC 定义
// = Maintainers:
//
//-------------------------------------------------------------------------------------------------------+
#include "StdAfx.h"
#include "CImageDC.h"
#include "XJpegLib.h"
#include "XBitmapLib.h"
#include "XPathParser.h"
#include "io.h"
#include "XPushMemVar.h"
#include "AString.h"
#include "XGlobalFunc.h"
#include "comdef.h"
CImageDC::CImageDC()
: m_bAutoScale(TRUE), m_bUniformScale(TRUE), m_bHighlight(FALSE)
{
m_pDC = NULL;
m_palDIB = NULL;
m_hDIB = NULL;
m_nIT = IT_NONE;
m_bkColor = RGB(0,0,0);
m_nRotation = 0.0;
}
CImageDC::CImageDC(CDC *pDC, const CRect &rect, COLORREF bkcolor)
: m_pDC(pDC), m_rectDC(rect), m_bAutoScale(TRUE), m_bUniformScale(TRUE), m_bHighlight(FALSE)
{
m_palDIB = NULL;
m_hDIB = NULL;
m_nIT = IT_NONE;
m_bkColor = bkcolor;
m_nRotation = 0.0;
}
CImageDC::~CImageDC()
{
if(m_palDIB)
{
delete m_palDIB;
}
if(m_hDIB)
{
::GlobalUnlock((HGLOBAL) m_hDIB);
::GlobalFree((HGLOBAL)m_hDIB);
}
}
void CImageDC::SetAutoScale(BOOL bAuto)
{
m_bAutoScale = bAuto;
}
void CImageDC::SetUniformScale(BOOL bTrue)
{
m_bUniformScale = bTrue;
}
void CImageDC::GetRectDC(CRect &rectDC) const
{
rectDC = m_rectDC;
}
void CImageDC::SetRectDC(const CRect &rect)
{
m_rectDC = rect;
}
void CImageDC::SetDC(CDC *pDc)
{
m_pDC = pDc;
}
void CImageDC::SetRotation(double nRot)
{
m_nRotation = nRot;
}
void CImageDC::SetBackColor(COLORREF co)
{
m_bkColor = co;
}
BOOL CImageDC::IsImageLoaded()
{
return (m_hDIB ? TRUE : FALSE);
}
BOOL CImageDC::IsHighlight() const
{
return m_bHighlight;
}
void CImageDC::SetHighlight(BOOL bTrue)
{
m_bHighlight = bTrue;
}
void CImageDC::InitDC(CDC *pDC, const CRect &rect, COLORREF bkcolor/*=RGB(0,0,0)*/)
{
m_pDC = pDC;
m_rectDC = rect;
m_bkColor = bkcolor;
}
COLORREF CImageDC::GetBkColor()
{
return m_bkColor;
}
BOOL CImageDC::PaintJpeg(const TCHAR *pJpgFile)
{
m_nIT = IT_BITMAP;
if(m_palDIB)
{
delete m_palDIB;
}
if(m_hDIB)
{
::GlobalUnlock((HGLOBAL) m_hDIB);
::GlobalFree((HGLOBAL)m_hDIB);
}
m_palDIB = NULL;
m_hDIB = NULL;
if(!pJpgFile || !pJpgFile[0])
{
Fill(RGB(192,192,192));
return TRUE;
}
XString sLib, sJpg;
if(!SplitLibraryPath(pJpgFile, sLib, sJpg))
{
return PaintImageOnly(pJpgFile);
}
XString strFilePath(256);
strFilePath << sLib << _T(".JPB");
XJpegLib lib(strFilePath, _ios::in|_ios::binary);
XString sTempPath(256);
GetTempPath(255, sTempPath);
int nStrLen=_tcslen(sTempPath);
if(nStrLen && sTempPath[nStrLen-1] != _T('\\'))
{
sTempPath << _T("\\");
}
sTempPath << sJpg;
int nRet = lib.QuickCopy(sTempPath);
if(nRet)
{
sTempPath << _T(".JPG");
}
else
{
Fill(m_bkColor);
return FALSE;
}
BOOL bRet = PaintImageOnly(sTempPath);
_tremove(sTempPath);
return bRet;
}
// pszImageFile FullPath of Image file, like:
// <Path>A.BMP, A.JPG, A(a1)
// Support BMP, JPG format (both stand along or from LIB)
// if pszImageFile == NULL, then clear it
BOOL CImageDC::PaintImage(const TCHAR *pszImageFile)
{
m_nIT = IT_BITMAP;
if(m_palDIB)
{
delete m_palDIB;
}
if(m_hDIB)
{
::GlobalUnlock((HGLOBAL) m_hDIB);
::GlobalFree((HGLOBAL)m_hDIB);
}
m_palDIB = NULL;
m_hDIB = NULL;
if(!pszImageFile || !pszImageFile[0])
{
Fill(RGB(192,192,192));
return TRUE;
}
XString sLib, sJpg;
if(!SplitLibraryPath(pszImageFile, sLib, sJpg))
{
return PaintImageOnly(pszImageFile);
}
XString strFilePath(256);
strFilePath << sLib << _T(".BMB");
XBitmapLib lib(strFilePath, _ios::in|_ios::binary);
XString sTempPath(256);
GetTempPath(255, sTempPath);
int nStrLen = _tcslen(sTempPath);
if(nStrLen && sTempPath[nStrLen-1] != _T('\\'))
{
sTempPath << _T("\\");
}
sTempPath << sJpg;
int nRet = lib.QuickCopy(sTempPath);
if(nRet == 1)
{
sTempPath << _T(".BMP");
}
else if(nRet == 2)
{
sTempPath << _T(".JPG");
}
else
{
Fill(m_bkColor);
return FALSE;
}
BOOL bRet = PaintImageOnly(sTempPath);
_tremove(sTempPath);
return bRet;
}
BOOL CImageDC::PaintDIB(HDIB hDib) // DIB is keep here
{
if(m_palDIB)
{
delete m_palDIB;
}
if(m_hDIB)
{
::GlobalUnlock((HGLOBAL) m_hDIB);
::GlobalFree((HGLOBAL)m_hDIB);
}
m_hDIB=hDib;
m_palDIB = new CPalette;
::CreateDIBPalette(m_hDIB, m_palDIB);
m_nIT = IT_BITMAP;
return PaintImage();
}
// Paint Image, not include from LIB
BOOL CImageDC::PaintImageOnly(const TCHAR *pszFile)
{
m_nIT = IT_BITMAP;
if(m_palDIB)
{
delete m_palDIB;
}
if(m_hDIB)
{
::GlobalUnlock((HGLOBAL) m_hDIB);
::GlobalFree((HGLOBAL)m_hDIB);
}
m_palDIB = NULL;
m_hDIB = NULL;
XPathParser parser(pszFile);
const TCHAR *pszExt = parser.m_sExt;
if(!pszExt[0])
{
return FALSE;
}
if(_tcsicmp(pszExt, _T(".BMP")) == 0)
{
CFile file;
if (!file.Open(pszFile, CFile::modeRead | CFile::shareDenyWrite))
{
return FALSE;
}
m_hDIB = ::ReadDIBFile(file);
}
else if(_tcsicmp(pszExt, _T(".JPG")) == 0)
{
/*CXImageFile ximageFile;
_bstr_t bst(pszFile);
m_hDIB = (HDIB)ximageFile.ReadJpeg((const char*)bst);
*/
}
else
{
//...其他格式
/*CXImageFile ximageFile;
_bstr_t bst(pszFile);
m_hDIB = (HDIB)ximageFile.ReadJpeg((const char*)bst);
*/
}
m_palDIB = new CPalette;
::CreateDIBPalette(m_hDIB, m_palDIB);
return PaintImage();
}
BOOL CImageDC::GetImageSize(CSize &sizeImage) const
{
if(!m_hDIB || !m_palDIB)
return FALSE;
LPSTR lpDIB = (LPSTR) ::GlobalLock((HGLOBAL) m_hDIB);
sizeImage.cx = (int) ::DIBWidth(lpDIB); // Size of DIB - x
sizeImage.cy = (int) ::DIBHeight(lpDIB); // Size of DIB - y
::GlobalUnlock((HGLOBAL) m_hDIB);
return TRUE;
}
BOOL CImageDC::PaintImage()
{
if(!m_pDC)
{
return FALSE;
}
m_nIT = IT_BITMAP;
if(!m_hDIB || !m_palDIB)
{
Fill(RGB(192,192,192));
return FALSE;
}
Fill(m_bkColor);
LPSTR lpDIB = (LPSTR) ::GlobalLock((HGLOBAL) m_hDIB);
int cxDIB = (int) ::DIBWidth(lpDIB); // Size of DIB - x
int cyDIB = (int) ::DIBHeight(lpDIB); // Size of DIB - y
::GlobalUnlock((HGLOBAL) m_hDIB);
CRect rcDIB;
rcDIB.top = rcDIB.left = 0;
rcDIB.right = cxDIB;
rcDIB.bottom = cyDIB;
if(!m_bAutoScale)
{
CRect rectDest = m_rectDC;
rectDest.right = rectDest.left + cxDIB;
rectDest.bottom = rectDest.top + cyDIB;
::PaintDIB(m_pDC->m_hDC, &rectDest, m_hDIB, &rcDIB, m_palDIB);
}
else if(m_bUniformScale)
{
// Do uniform scale, so adjust rectDC
CRect rectDC = m_rectDC;
double nWidthDIB = rcDIB.Width(),
nWidthDC=m_rectDC.Width(),
nHeightDIB = rcDIB.Height(),
nHeightDC = m_rectDC.Height();
double nScale = min(nWidthDC / nWidthDIB, nHeightDC / nHeightDIB);
// 平移到中心的距离
double nMoveX=0, nMoveY=0;
nMoveX = (m_rectDC.Width() - nScale * rcDIB.Width()) / 2.0;
nMoveY = (m_rectDC.Height() - nScale * rcDIB.Height()) / 2.0;
rectDC.DeflateRect(int(nMoveX), int(nMoveY));
::PaintDIB(m_pDC->m_hDC, &rectDC, m_hDIB, &rcDIB, m_palDIB);
}
else
{ // not uniform scale
CRect rectDest=m_rectDC;
::PaintDIB(m_pDC->m_hDC, &rectDest, m_hDIB, &rcDIB, m_palDIB);
}
if(m_bHighlight)
{
CRect rect = m_rectDC;
m_pDC->Draw3dRect(rect,RGB(128,128,128),RGB(240,240,240)); //3D
rect.DeflateRect(1, 1);
m_pDC->Draw3dRect(rect,RGB(128,128,128),RGB(240,240,240)); //3D
rect.DeflateRect(1,1);
CBrush brush(RGB(255,0,0));
m_pDC->FrameRect(&rect, &brush);
rect.DeflateRect(1,1);
m_pDC->FrameRect(&rect, &brush);
}
else
{
CBrush brush(GetBkColor());
CRect rect = m_rectDC;
m_pDC->FrameRect(&rect, &brush);
rect.DeflateRect(1,1);
m_pDC->FrameRect(&rect, &brush);
rect.DeflateRect(1,1);
m_pDC->FrameRect(&rect, &brush);
rect.DeflateRect(1,1);
m_pDC->FrameRect(&rect, &brush);
}
return TRUE;
}
BOOL CImageDC::PaintSlide(const TCHAR *pszSlideFile)
{
if(!m_pDC)
{
return FALSE;
}
m_nIT = IT_SLIDE;
m_slide.Reset();
if(!pszSlideFile || !pszSlideFile[0])
{
Fill(RGB(192,192,192));
return TRUE;
}
if(m_slide.FromSlide(pszSlideFile) != RTNORM)
{
Fill(RGB(192,192,192));
return FALSE;
}
return PaintSlide();
}
BOOL CImageDC::PaintSlide()
{
if(!m_pDC)
{
return FALSE;
}
if(!m_slide)
{
Fill(RGB(192,192,192));
return FALSE;
}
if(m_bHighlight)
{
Fill(RGB(0,128,192));
}
else
{
Fill(m_bkColor);
}
XImageBufList lstVectors;
lstVectors = m_slide;
if(fabs(m_nRotation) > 1.0E-6)
{
ads_matrix mat;
XPoint().GetRotationMatrix(m_nRotation, mat);
for(int n = 0; n < lstVectors.Length(); n++)
{
XImageBuf &buf = *lstVectors[n];
XPoint ptStart = buf.GetStartPoint(),
ptEnd = buf.GetEndPoint();
ptStart.TransformBy(mat);
ptEnd.TransformBy(mat);
buf.SetStartPoint(ptStart);
buf.SetEndPoint(ptEnd);
}
for(int n = 0; n < lstVectors.m_lstSolid.Length(); n++)
{
XColorSolid &buf = *lstVectors.m_lstSolid[n];
buf.TransUCS(mat);
}
}
lstVectors.WcsToDcs(m_rectDC.Width(), m_rectDC.Height(), 5);
for(int i = lstVectors.Length() - 1; i >= 0; i--)
{
XImageBuf &buf=*lstVectors[i];
CPoint ptStart(m_rectDC.left + AS_INT(buf.GetStartPoint().x), m_rectDC.top + AS_INT(buf.GetStartPoint().y));
CPoint ptEnd(m_rectDC.left + AS_INT(buf.GetEndPoint().x), m_rectDC.top + AS_INT(buf.GetEndPoint().y));
int nR, nG, nB;
ColorToRGB(buf.nColorIndex, &nR, &nG, &nB);
if(m_bkColor == RGB(255,255,255))
{//白底
nR = 255 - nR;
nG = 255 - nG;
nB = 255 - nB;
}
CPen pen(PS_SOLID, 1, RGB(nR, nG, nB));
CPen *pOld = m_pDC->SelectObject(&pen);
m_pDC->MoveTo(ptStart);
if(ptStart == ptEnd)
{
ptEnd.x += 1;
ptEnd.y += 1;
}
m_pDC->LineTo(ptEnd);
m_pDC->SelectObject(pOld);
}
for(int i = 0; i < lstVectors.m_lstSolid.Length(); i++)
{
XColorSolid &ln = *lstVectors.m_lstSolid[i];
int nR, nG, nB;
ColorToRGB(ln.m_nColor, &nR, &nG, &nB);
if(m_bkColor == RGB(255,255,255))
{//白底
nR = 255 - nR;
nG = 255 - nG;
nB = 255 - nB;
}
CBrush brush;
brush.CreateSolidBrush(RGB(nR,nG,nB));
CBrush *pOld = m_pDC->SelectObject(&brush);
CPoint *verts = new CPoint[ln.Length()];
for(int j = 0; j < ln.Length(); j++)
{
XPoint pt = *ln[j];
verts[j].x = m_rectDC.left + AS_INT(pt.x);
verts[j].y = m_rectDC.top + AS_INT(pt.y);
}
CRgn rgn;
rgn.CreatePolygonRgn(verts,ln.Length(),ALTERNATE);
m_pDC->FillRgn(&rgn,&brush);
m_pDC->SelectObject(pOld);
brush.DeleteObject();
}
m_nIT = IT_SLIDE;
return TRUE;
}
BOOL CImageDC::PaintBitmap(CBitmap &bmp)
{
if(!m_pDC || !bmp.GetSafeHandle())
{
return FALSE;
}
BITMAP bmpInfo;
bmp.GetBitmap(&bmpInfo);
CDC dcTmp;
dcTmp.CreateCompatibleDC(m_pDC);
dcTmp.SelectObject(&bmp);
m_pDC->StretchBlt(m_rectDC.left, m_rectDC.top, m_rectDC.Width(), m_rectDC.Height(),
&dcTmp, 0, 0, bmpInfo.bmWidth, bmpInfo.bmHeight, SRCCOPY);
return TRUE;
}
// Refresh the image
BOOL CImageDC::Redraw()
{
//Fill(m_bkColor);
if(m_nIT == IT_SLIDE)
{
return PaintSlide();
}
else if(m_nIT == IT_BITMAP)
{
return PaintImage();
}
else
{
Fill(RGB(192,192,192));
}
return FALSE;
}
void CImageDC::Fill(COLORREF cref)
{
if(!m_pDC)
{
return;
}
if(!cref)
{
m_pDC->FillSolidRect(&m_rectDC, m_bkColor);
}
else
{
m_pDC->FillSolidRect(&m_rectDC, cref);
}
}
BOOL CImageDC::PaintImageNormal(const TCHAR * pszImageFile)
{
return TRUE;
}
BOOL CImageDC::PaintImageOnlyNormal(const TCHAR * pszImageFile)
{
return TRUE;
}