void MyButton::paintEvent(QPaintEvent *e){
/*绘制按钮的形状*/
QPainter g(this);
int w=width();
int h=height();
QPoint pTop(w/2,2);
QPoint pBottom(w/2,h-2);
QPoint pLeft(2,h/2);
QPoint pRight(w-2,h/2);
QColor cWhite(255,255,255);
QColor cBlack( 0, 0, 0);
QBrush bWhite(cWhite);
QBrush bBlack(cBlack);
QPen penWhite(bWhite,2);
QPen penBlack(bBlack,2);
/*白色*/
g.setPen(penWhite);
g.drawLine(pTop,pLeft);
g.drawLine(pTop,pRight);
/*黑色*/
g.setPen(penBlack);
g.drawLine(pBottom,pLeft);
g.drawLine(pBottom,pRight);
}
void CMainDlg::DrawPhoto()
{
if (m_BitmapEx.IsValid())
{
//CBitmapEx m_PhotoBitmapEx;
//int tX,tY;
CDC *pDC = m_ctl_photo.GetDC();
CDC memDC;
memDC.CreateCompatibleDC(pDC);
CBitmap bmp;
bmp.CreateCompatibleBitmap(pDC, m_PhotoBitmapEx.GetWidth(), m_PhotoBitmapEx.GetHeight());
memDC.SelectObject(bmp);
CRect rect(0,0,m_PhotoBitmapEx.GetWidth(),m_PhotoBitmapEx.GetHeight());
CBrush bBlack(GetSysColor(COLOR_3DFACE));
memDC.FillRect(&rect, &bBlack);
m_PhotoBitmapEx.Draw(memDC);
pDC->FillRect(&m_PhotoRect, &bBlack);
pDC->SetStretchBltMode(HALFTONE);
pDC->StretchBlt(0,0,m_PhotoRect.Width(), m_PhotoRect.Height(),
&memDC,
0,0,
m_CutRect.Width(), m_CutRect.Height(),
SRCCOPY);
/*CDC *pDC = m_ctl_photo.GetDC();
CDC memDC;
memDC.CreateCompatibleDC(pDC);
CBitmap bmp;
bmp.CreateCompatibleBitmap(pDC, m_PhotoBitmapEx.GetWidth(), m_PhotoBitmapEx.GetHeight());
memDC.SelectObject(bmp);
CRect rect(0,0,m_PhotoBitmapEx.GetWidth(),m_PhotoBitmapEx.GetHeight());
CBrush bBlack(GetSysColor(COLOR_3DFACE));
memDC.FillRect(&rect, &bBlack);
m_PhotoBitmapEx.Draw(memDC);
pDC->FillRect(&m_PhotoRect, &bBlack);
pDC->SetStretchBltMode(HALFTONE);
pDC->StretchBlt(0,0,m_PhotoRect.Width(), m_PhotoRect.Height(),
&memDC,
0,0,
m_PhotoBitmapEx.GetWidth(), m_PhotoBitmapEx.GetHeight(),
SRCCOPY);*/
memDC.DeleteDC();
ReleaseDC(pDC);
}
else
{
CDC *pDC = m_ctl_photo.GetDC();
CBrush bBlack(GetSysColor(COLOR_3DFACE));
pDC->FillRect(m_PhotoRect,&bBlack);
}
}
void CMainDlg::DrawPicture()
{
int tX,tY;
if (m_SBitmapEx.IsValid())
{
m_BitmapEx.Create(m_SBitmapEx.GetWidth(),m_SBitmapEx.GetHeight());
m_BitmapEx.Draw(0,0,m_SBitmapEx.GetWidth(),m_SBitmapEx.GetHeight(),m_SBitmapEx,0,0);
m_BitmapEx.Scale(m_nScale,m_nScale);
CDC *pDC = m_ctl_image.GetDC();
CDC memDC,memDC1;
memDC.CreateCompatibleDC(pDC);
memDC1.CreateCompatibleDC(pDC);
CBitmap bmp;
bmp.CreateCompatibleBitmap(pDC, m_BitmapEx.GetWidth(), m_BitmapEx.GetHeight());
memDC.SelectObject(bmp);
m_BitmapEx.Draw(memDC);
CBitmap bmp1;
bmp1.CreateCompatibleBitmap(pDC, m_ImageRect.Width(), m_ImageRect.Height());
memDC1.SelectObject(bmp1);
CPen pen;
CPen* pOldPen;
CFont wFont,wFont1;
CFont *pOldFont;
CString title;
//清除背景
CRgn rgn;
rgn.CreateRectRgn(0,0,m_ImageRect.Width(),m_ImageRect.Height());
CBrush bBlack(GetSysColor(COLOR_3DFACE));
memDC1.FillRgn(&rgn, &bBlack);
//memDC1.SetStretchBltMode(HALFTONE);
tX = (m_ImageRect.Width() - m_BitmapEx.GetWidth())/2;
tY = (m_ImageRect.Height() - m_BitmapEx.GetHeight())/2;
memDC1.BitBlt(tX,tY,m_BitmapEx.GetWidth(),m_BitmapEx.GetHeight(),&memDC,m_pLeft,m_pTop,SRCCOPY);
pen.CreatePen(PS_SOLID, 1, RGB (255, 0, 0));
pOldPen = memDC1.SelectObject (&pen);
memDC1.MoveTo(m_CutRect.left,m_CutRect.top);
memDC1.LineTo(m_CutRect.right,m_CutRect.top);
memDC1.LineTo(m_CutRect.right,m_CutRect.bottom);
memDC1.LineTo(m_CutRect.left,m_CutRect.bottom);
memDC1.LineTo(m_CutRect.left,m_CutRect.top);
memDC1.SelectObject (pOldPen);
/*
if (m_PicEditStatus)
{
//清除背景
if (m_DrawRect.left > 0)
{
CRgn rGap1,rGap2,rGap3,rGap4;
rGap1.CreateRectRgn(0, 0, m_DrawRect.left+10,m_ImageRect.Height());
rGap2.CreateRectRgn(m_DrawRect.right-10, 0, m_ImageRect.right,m_ImageRect.Height());
rGap3.CreateRectRgn(0, 0, m_ImageRect.Width(),m_DrawRect.top+10);
rGap4.CreateRectRgn(0, m_DrawRect.bottom-10, m_ImageRect.Width(),m_ImageRect.bottom);
rGap1.CombineRgn(&rGap1,&rGap2,RGN_OR);
rGap1.CombineRgn(&rGap1,&rGap3,RGN_OR);
rGap1.CombineRgn(&rGap1,&rGap4,RGN_OR);
CBrush bBlack(GetSysColor(COLOR_3DFACE));
memDC1.FillRgn(&rGap1, &bBlack);
}
memDC1.SetStretchBltMode(HALFTONE);
if (m_Factor>=0)
{
memDC1.StretchBlt(0,0,m_ImageRect.Width(), m_ImageRect.Height(),
&memDC,
(m_BitmapEx.GetWidth())*m_Factor/2,(m_BitmapEx.GetHeight())*m_Factor/2
,(m_BitmapEx.GetWidth())*(1-m_Factor), (m_BitmapEx.GetHeight())*(1-m_Factor)
,SRCCOPY);
m_DrawRect = m_ImageRect;
}
else
{
memDC1.StretchBlt((m_ImageRect.Width())*(-m_Factor)/2,(m_ImageRect.Height())*(-m_Factor)/2
,(m_ImageRect.Width())*(1+m_Factor), (m_ImageRect.Height())*(1+m_Factor)
,&memDC,
0,0,m_BitmapEx.GetWidth(),m_BitmapEx.GetHeight()
,SRCCOPY);
m_DrawRect.left = (m_ImageRect.Width())*(-m_Factor)/2;
m_DrawRect.top = (m_ImageRect.Height())*(-m_Factor)/2;
m_DrawRect.right =
(m_ImageRect.Width())*(-m_Factor)/2 + (m_ImageRect.Width())*(1+m_Factor) - 1;
m_DrawRect.bottom =
(m_ImageRect.Height())*(-m_Factor)/2 + (m_ImageRect.Height())*(1+m_Factor) - 1;
}
pen.CreatePen(PS_SOLID, 1, RGB (255, 0, 0));
pOldPen = memDC1.SelectObject (&pen);
memDC1.MoveTo(m_CutRect.left,m_CutRect.top);
memDC1.LineTo(m_CutRect.right,m_CutRect.top);
memDC1.LineTo(m_CutRect.right,m_CutRect.bottom);
memDC1.LineTo(m_CutRect.left,m_CutRect.bottom);
memDC1.LineTo(m_CutRect.left,m_CutRect.top);
memDC1.SelectObject (pOldPen);
title.Format(_T("%d*%d"),
m_Factor>=0 ? (int)(((double)m_BitmapEx.GetWidth()*(1-m_Factor)) * ((double)m_CutRect.Width()/m_ImageRect.Width()))
: (int)(((double)m_BitmapEx.GetWidth()/(1+m_Factor)) * ((double)m_CutRect.Width()/m_ImageRect.Width())),
m_Factor>=0 ? (int)(((double)m_BitmapEx.GetHeight()*(1-m_Factor)) * ((double)m_CutRect.Height()/m_ImageRect.Height()))
: (int)(((double)m_BitmapEx.GetHeight()/(1+m_Factor)) * ((double)m_CutRect.Height()/m_ImageRect.Height())));
wFont1.CreateFont(12, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0,
VARIABLE_PITCH | FF_SWISS, _T("MS Sans Serif"));
pOldFont = memDC1.SelectObject(&wFont1);
memDC1.SetTextColor(RGB(255,0,0));
memDC1.SetBkMode(TRANSPARENT);
memDC1.TextOut(m_CutRect.left+2,m_CutRect.top+2, title);
memDC1.SelectObject(pOldFont);
title.Format(_T("状态:编辑 分辨率:%d*%d"),
m_Factor>=0 ? (int)((double)m_BitmapEx.GetWidth()*(1-m_Factor)) : (int)((double)m_BitmapEx.GetWidth()/(1+m_Factor)),
m_Factor>=0 ? (int)((double)m_BitmapEx.GetHeight()*(1-m_Factor)) : (int)((double)m_BitmapEx.GetHeight()/(1+m_Factor)));
}
else
{
memDC1.SetStretchBltMode(HALFTONE);
memDC1.StretchBlt(0,0,m_ImageRect.Width(), m_ImageRect.Height(),
&memDC,
0,0,m_BitmapEx.GetWidth(),m_BitmapEx.GetHeight(),
SRCCOPY);
title.Format(_T("状态:显示 分辨率:%d*%d"),m_BitmapEx.GetWidth(),m_BitmapEx.GetHeight());
}
*/
title.Format(_T("缩放:%d:100"),m_nScale);
wFont.CreateFont(12, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0,
VARIABLE_PITCH | FF_SWISS, _T("MS Sans Serif"));
pOldFont = memDC1.SelectObject(&wFont);
memDC1.SetTextColor(RGB(255,0,0));
memDC1.SetBkMode(TRANSPARENT);
memDC1.TextOut(2,m_ImageRect.bottom-14, title);
memDC1.SelectObject(pOldFont);
pDC->BitBlt(0,0,m_ImageRect.Width(), m_ImageRect.Height(),&memDC1,0,0,SRCCOPY);
memDC.DeleteDC();
memDC1.DeleteDC();
ReleaseDC(pDC);
tX = (m_BitmapEx.GetWidth() - m_CutRect.Width())/2;
tY = (m_BitmapEx.GetHeight() - m_CutRect.Height())/2;
m_PhotoBitmapEx.Create(m_CutRect.Width(),m_CutRect.Height());
m_PhotoBitmapEx.Draw(0,0,m_CutRect.Width(),m_CutRect.Height(),m_BitmapEx,tX + m_pLeft,tY + m_pTop);
DrawPhoto();
}else
{
CDC *pDC = m_ctl_image.GetDC();
CBrush bBlack(GetSysColor(COLOR_3DFACE));
pDC->FillRect(m_ImageRect,&bBlack);
//m_PhotoBitmapEx.Create(0,0);
//DrawPhoto();
}
}
