/
ImagePanel.cpp
1499 lines (1356 loc) · 36.4 KB
/
ImagePanel.cpp
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#include <wx/wx.h>
#include <wx/utils.h>
#include <wx/filename.h>
#include <math.h>
#include "ImagePanel.h"
// ContextMenu
const long ImagePanel::ID_CMENU_SAVE = wxNewId();
// define notify evet type
IMPLEMENT_DYNAMIC_CLASS(wxImgplEvent, wxNotifyEvent)
DEFINE_EVENT_TYPE(wxEVT_IMGPL)
BEGIN_EVENT_TABLE(ImagePanel,wxPanel)
END_EVENT_TABLE()
ImagePanel::ImagePanel(wxWindow* parent,wxWindowID id,const wxPoint& pos,const wxSize& sz)
{
// create panel
Create(parent, id, pos, sz, wxTAB_TRAVERSAL, _T("_imgpanel"));
// stop auto erase background
SetBackgroundStyle(wxBG_STYLE_CUSTOM);
// memorydc for double buffer draw
wxInt32 iScrW = wxSystemSettings::GetMetric(wxSYS_SCREEN_X, this);
wxInt32 iScrH = wxSystemSettings::GetMetric(wxSYS_SCREEN_Y, this);
wxBitmap bmp(iScrW, iScrH);
m_dcMem.SelectObject(bmp);
m_dcMem.SetBackground(wxBrush(wxColor(0x00606060)));
m_dcMem.Clear();
// Event process
Connect(wxEVT_PAINT, (wxObjectEventFunction)&ImagePanel::OnPaint);
Connect(wxEVT_ERASE_BACKGROUND, (wxObjectEventFunction)&ImagePanel::OnErase);
Connect(wxEVT_SIZE, (wxObjectEventFunction)&ImagePanel::OnSize);
Connect(wxEVT_CONTEXT_MENU, (wxObjectEventFunction)&ImagePanel::OnContextMenu);
Connect(wxEVT_KILL_FOCUS, (wxObjectEventFunction)&ImagePanel::OnKillFocus);
// mouse event
Connect(wxEVT_LEFT_DOWN, (wxObjectEventFunction)&ImagePanel::OnMouseLD);
Connect(wxEVT_LEFT_UP, (wxObjectEventFunction)&ImagePanel::OnMouseLU);
Connect(wxEVT_MOTION, (wxObjectEventFunction)&ImagePanel::OnMouseMove);
// menu or tool-button command
Connect(ID_CMENU_SAVE, wxEVT_MENU, (wxObjectEventFunction)&ImagePanel::OnCmenuSave);
}
ImagePanel::~ImagePanel()
{
// release double buffer draw
m_dcMem.SelectObject(wxNullBitmap);
}
////////////////////////////////////////////////////////////////////////////////////////
/**< set the iamge to dispaly */
bool ImagePanel::SetImg(wxImage& img)
{
// whether the new image can be used
if (!img.IsOk())
return false;
// reference the image used to display.
if (m_img.IsOk())
m_img.Destroy();
m_img = img;
// calculate display params
m_szClient = GetClientSize();
wxSize szImg = m_img.GetSize();
// if wnd's size greate then img's size, image disp as its actual size
if (m_szClient.GetWidth() > szImg.GetWidth() && m_szClient.GetHeight() > szImg.GetHeight() )
ImgZoomActual();
else
ImgZoomFit();
return true;
}
/**< destroy image */
bool ImagePanel::ReleaseImg()
{
// stop drag and mouse func
EndDrag(false);
// destroy image
if (m_img.IsOk())
m_img.Destroy();
// update ui
Refresh(false);
return true;
}
/**< zoomin image */
bool ImagePanel::ImgZoomIn()
{
// new scale
wxDouble dScale = m_dScale * (1 + m_dScaleDelta);
ImgZoomScale(dScale);
return true;
}
/**< zoomout image */
bool ImagePanel::ImgZoomOut()
{
// new scale
wxDouble dScale = m_dScale * m_dScaleDelta;
ImgZoomScale(dScale);
return true;
}
/**< according to the specified zoom percentage */
bool ImagePanel::ImgZoomScale(wxDouble dScale, wxPoint* pPt /*= nullptr*/)
{
if (!m_img.IsOk())
return false;
if (dScale <= 0.0)
return false;
if (dScale > 20.0)
dScale = 20.0;
wxRect2DDouble rcWnd(0.0, 0.0, 0.0, 0.0); // wnd rect
wxRect2DDouble rcImg(0.0, 0.0, 0.0, 0.0); // img rect
do
{
wxSize szWnd = GetClientSize();
wxSize szImg = m_img.GetSize();
rcWnd.m_width = szWnd.GetWidth();
rcWnd.m_height = szWnd.GetHeight();
rcImg.m_width = szImg.GetWidth();
rcImg.m_height = szImg.GetHeight();
}
while(false);
// default image pix in wnd center as the fixed point
wxPoint2DDouble ptV0, ptI0;
wxDouble dTmp = 0.0;
if (pPt == nullptr)
{
ptV0.m_x = rcWnd.m_width/2.0;
ptV0.m_y = rcWnd.m_height/2.0;
}
else
{
ptV0.m_x = pPt->x;
ptV0.m_y = pPt->y;
}
dTmp = (ptV0.m_x - m_rcDest.m_x)/m_dScale; // V2I
ptI0.m_x = m_rcSrc.m_x + dTmp;
dTmp = (ptV0.m_y - m_rcDest.m_y)/m_dScale;
ptI0.m_y = m_rcSrc.m_y + dTmp;
// the image view rect in new scale
wxRect2DDouble rcNew;
rcNew.m_x = ptV0.m_x - ptI0.m_x*dScale;
rcNew.m_y = ptV0.m_y - ptI0.m_y*dScale;
rcNew.m_width = rcImg.m_width*dScale;
rcNew.m_height = rcImg.m_height*dScale;
// Dest rect is the intersection of new image view rect & wnd rect
wxRect2DDouble::Intersect(rcWnd, rcNew, &m_rcDest);
// the src rect in new scale
m_rcSrc.m_x = ptI0.m_x + (m_rcDest.m_x - ptV0.m_x)/dScale;
m_rcSrc.m_y = ptI0.m_y + (m_rcDest.m_y - ptV0.m_y)/dScale;
m_rcSrc.m_width = m_rcDest.m_width/dScale;
m_rcSrc.m_height = m_rcDest.m_height/dScale;
// ensure the src rect is valid
if (m_rcSrc.m_x < 0.0)
m_rcSrc.m_x = 0.0;
if (m_rcSrc.m_y < 0.0)
m_rcSrc.m_y = 0.0;
if (m_rcSrc.GetRight() > rcImg.m_width)
m_rcSrc.m_width = rcImg.m_width - m_rcSrc.m_x;
if (m_rcSrc.GetBottom() > rcImg.m_height)
m_rcSrc.m_height = rcImg.m_height - m_rcSrc.m_y;
// new zoom scale
m_dScale = dScale;
// update panel
Refresh(false);
return true;
}
/**< sel the display rect*/
bool ImagePanel::ImgZoomRect()
{
if (!m_img.IsOk())
return false;
if (m_stMP.emFuc != IMGPL_CMD::IMG_ZRECT)
{
// mouse function is image zoom rect
m_stMP.emFuc = IMGPL_CMD::IMG_ZRECT;
// set mouse cur
SetCursor(wxCursor(_T("./skin/ZoomRect.cur"), wxBITMAP_TYPE_CUR));
}
else
{
// mouse function is none
m_stMP.emFuc = IMGPL_CMD::NONE;
// set mouse cur
SetCursor(wxCursor(wxCURSOR_ARROW));
}
return true;
}
/**< display image of sel rect full fit wnd */
bool ImagePanel::ImgZoomRect(wxRect rcSel)
{
if (!m_img.IsOk())
return false;
// the rect must be regular
if (rcSel.width <= 2 || rcSel.height < 2)
return false;
wxRect2DDouble rcWnd(0.0, 0.0, 0.0, 0.0); // wnd rect
wxRect2DDouble rcImg(0.0, 0.0, 0.0, 0.0); // image rect
do
{
wxSize szWnd = GetClientSize();
wxSize szImg = m_img.GetSize();
rcWnd.m_width = szWnd.GetWidth();
rcWnd.m_height = szWnd.GetHeight();
rcImg.m_width = szImg.GetWidth();
rcImg.m_height = szImg.GetHeight();
}
while(false);
// calculate the new scale
wxDouble dScale = 1.0;
if (rcWnd.m_width/rcWnd.m_height > rcSel.width/(wxDouble)rcSel.height)
dScale = rcWnd.m_height/rcSel.height;
else
dScale = rcWnd.m_width/rcSel.width;
dScale *= m_dScale;
if (dScale > 20.0)
dScale = 20.0;
// sel rect center point
wxPoint2DDouble ptV0, ptI0;
ptV0.m_x = rcSel.x + rcSel.width/2.0;
ptV0.m_y = rcSel.y + rcSel.height/2.0;
ptI0.m_x = m_rcSrc.m_x + (ptV0.m_x - m_rcDest.m_x)/m_dScale;
ptI0.m_y = m_rcSrc.m_y + (ptV0.m_y - m_rcDest.m_y)/m_dScale;
// calculate the new image rect in wnd coordinate
wxRect2DDouble rcNew;
rcNew.m_x = ptV0.m_x - ptI0.m_x*dScale;
rcNew.m_y = ptV0.m_y - ptI0.m_y*dScale;
rcNew.m_width = rcImg.m_width*dScale;
rcNew.m_height = rcImg.m_height*dScale;
// move the sel rect center to the wnd center
rcNew.m_x -= ptV0.m_x - rcWnd.m_width/2.0;
rcNew.m_y -= ptV0.m_y - rcWnd.m_height/2.0;
ptV0.m_x = rcWnd.m_width/2.0;
ptV0.m_y = rcWnd.m_height/2.0;
// the dest rect is the intersection of the new image view rect & wnd rect
wxRect2DDouble::Intersect(rcWnd, rcNew, &m_rcDest);
// calculate the src rect
m_rcSrc.m_x = ptI0.m_x + (m_rcDest.m_x - ptV0.m_x)/dScale;
m_rcSrc.m_y = ptI0.m_y + (m_rcDest.m_y - ptV0.m_y)/dScale;
m_rcSrc.m_width = m_rcDest.m_width/dScale;
m_rcSrc.m_height = m_rcDest.m_height/dScale;
// ensure the src rect is valid
if (m_rcSrc.m_x < 0.0)
m_rcSrc.m_x = 0.0;
if (m_rcSrc.m_y < 0.0)
m_rcSrc.m_y = 0.0;
if (m_rcSrc.GetRight() > rcImg.m_width)
m_rcSrc.m_width = rcImg.m_width - m_rcSrc.m_x;
if (m_rcSrc.GetBottom() > rcImg.m_height)
m_rcSrc.m_height = rcImg.m_height - m_rcSrc.m_y;
// the new scale
m_dScale = dScale;
// update ui
Refresh(false);
return true;
}
/**< dispaly image in real size */
bool ImagePanel::ImgZoomActual()
{
if (!m_img.IsOk())
return false;
wxRect2DDouble rcWnd(0.0, 0.0, 0.0, 0.0); // wnd rect
wxRect2DDouble rcImg(0.0, 0.0, 0.0, 0.0); // img rect
do
{
wxSize szWnd = GetClientSize();
wxSize szImg = m_img.GetSize();
rcWnd.m_width = szWnd.GetWidth();
rcWnd.m_height = szWnd.GetHeight();
rcImg.m_width = szImg.GetWidth();
rcImg.m_height = szImg.GetHeight();
}
while(false);
// image is actual size displayed
m_dScale = 1.0;
// Horizontal positioning
if (rcWnd.m_width > rcImg.m_width)
{
m_rcSrc.m_x = 0.0;
m_rcSrc.m_width = rcImg.m_width;
// wnd left and right have space
m_rcDest.m_x = (rcWnd.m_width - rcImg.m_width)/2.0;
m_rcDest.m_width = rcImg.m_width;
}
else
{
// only part of image be displayed
m_rcSrc.m_x = (rcImg.m_width - rcWnd.m_width)/2.0;
m_rcSrc.m_width = rcWnd.m_width;
// wnd is filled width
m_rcDest.m_x = 0.0;
m_rcDest.m_width = rcWnd.m_width;
}
// Vertical positioning
if (rcWnd.m_height > rcImg.m_height)
{
m_rcSrc.m_y = 0.0;
m_rcSrc.m_height = rcImg.m_height;
// wnd's top and bottom have space
m_rcDest.m_y = (rcWnd.m_height - rcImg.m_height)/2.0;
m_rcDest.m_height = rcImg.m_height;
}
else
{
// only part image be displayed
m_rcSrc.m_y = (rcImg.m_height - rcWnd.m_height)/2.0;
m_rcSrc.m_height = rcWnd.m_height;
// wnd is fill height
m_rcDest.m_y = 0.0;
m_rcDest.m_height = rcWnd.m_height;
}
// update panel
Refresh(false);
return true;
}
/**< display image full fit wnd */
bool ImagePanel::ImgZoomFit()
{
if (!m_img.IsOk())
return false;
wxRect2DDouble rcWnd(0.0, 0.0, 0.0, 0.0); // wnd rect
wxRect2DDouble rcImg(0.0, 0.0, 0.0, 0.0); // img rect
do
{
wxSize szWnd = GetClientSize();
wxSize szImg = m_img.GetSize();
rcWnd.m_width = szWnd.GetWidth();
rcWnd.m_height = szWnd.GetHeight();
rcImg.m_width = szImg.GetWidth();
rcImg.m_height = szImg.GetHeight();
}
while(false);
// image is full displayed
m_rcSrc.m_x = 0.0;
m_rcSrc.m_y = 0.0;
m_rcSrc.m_width = rcImg.m_width;
m_rcSrc.m_height = rcImg.m_height;
// calculation scale and dest rect
if (rcWnd.m_width/rcWnd.m_height > rcImg.m_width/rcImg.m_height) // wnd is wide then image, or image is heigher then wnd
{
wxDouble dTmp = 0.0;
m_dScale = rcWnd.m_height/rcImg.m_height;
dTmp = rcImg.m_width*m_dScale; // image scale width
m_rcDest.m_x = (rcWnd.m_width - dTmp)/2.0;
m_rcDest.m_y = 0.0;
m_rcDest.m_width = dTmp;
m_rcDest.m_height = rcWnd.m_height;
}
else // wnd is heigher than image, or image is wide than wnd
{
wxDouble dTmp = 0.0;
m_dScale = rcWnd.m_width/rcImg.m_width;
dTmp = rcImg.m_height*m_dScale; // image scale height
m_rcDest.m_x = 0.0;
m_rcDest.m_y = (rcWnd.m_height - dTmp)/2.0;
m_rcDest.m_width = rcWnd.m_width;
m_rcDest.m_height = dTmp;
}
// update panel
Refresh(false);
return true;
}
/**< mouse fuc is move image */
bool ImagePanel::ImgMove()
{
if (!m_img.IsOk())
return false;
if (m_stMP.emFuc != IMGPL_CMD::IMG_MOVE)
{
// mouse function is image move
m_stMP.emFuc = IMGPL_CMD::IMG_MOVE;
// set mouse cur
SetCursor(wxCursor(_T("./skin/HandOpen.cur"), wxBITMAP_TYPE_CUR));
}
else
{
// mouse function is none
m_stMP.emFuc = IMGPL_CMD::NONE;
// set mouse cur
SetCursor(wxCursor(wxCURSOR_ARROW));
}
return true;
}
/**< move image */
bool ImagePanel::ImgMove(wxSize szMove)
{
if (!m_img.IsOk())
return false;
// the move size must be valid
if (szMove.x == 0 || szMove.y == 0)
return false;
wxPoint2DDouble ptMove(szMove.x, szMove.y);
wxRect2DDouble rcWnd(0.0, 0.0, 0.0, 0.0); // wnd rect
wxRect2DDouble rcImg(0.0, 0.0, 0.0, 0.0); // img rect
do
{
wxSize szWnd = GetClientSize();
wxSize szImg = m_img.GetSize();
rcWnd.m_width = szWnd.GetWidth();
rcWnd.m_height = szWnd.GetHeight();
rcImg.m_width = szImg.GetWidth();
rcImg.m_height = szImg.GetHeight();
}
while(false);
// current image rect in wnd coordinate
wxRect2DDouble rcNew;
rcNew.m_x = m_rcDest.m_x - m_rcSrc.m_x*m_dScale;
rcNew.m_y = m_rcDest.m_y - m_rcSrc.m_y*m_dScale;
rcNew.m_width = rcImg.m_width*m_dScale;
rcNew.m_height = rcImg.m_height*m_dScale;
// then horizontal move the rect
if ((rcNew.m_x + ptMove.m_x) > rcWnd.m_width/2.0)
ptMove.m_x = (int)(rcWnd.m_width/2.0 - rcNew.m_x);
else if ((rcNew.GetRight() + ptMove.m_x) <= rcWnd.m_width/2.0)
ptMove.m_x = (int)(rcWnd.m_width/2.0 - rcNew.GetRight());
// and then vertical move the rect
if ((rcNew.m_y + ptMove.m_y) > rcWnd.m_height/2.0)
ptMove.m_y = (int)(rcWnd.m_height/2.0 - rcNew.m_y);
else if ((rcNew.GetBottom() + ptMove.m_y) <= rcWnd.m_height/2.0)
ptMove.m_y = (int)(rcWnd.m_height/2.0 - rcNew.GetBottom());
rcNew.Offset(ptMove);
// the dest rect is the intersection of new rect and wnd rect
wxRect2DDouble::Intersect(rcNew, rcWnd, &m_rcDest);
// calculate the src rect
m_rcSrc.m_x = (m_rcDest.m_x - rcNew.m_x)/m_dScale;
m_rcSrc.m_y = (m_rcDest.m_y - rcNew.m_y)/m_dScale;
m_rcSrc.m_width = m_rcDest.m_width/m_dScale;
m_rcSrc.m_height = m_rcDest.m_height/m_dScale;
// ensure the src rect is valid
if (m_rcSrc.m_x < 0.0)
m_rcSrc.m_x = 0.0;
if (m_rcSrc.m_y < 0.0)
m_rcSrc.m_y = 0.0;
if (m_rcSrc.GetRight() > rcImg.m_width)
m_rcSrc.m_width = rcImg.m_width - m_rcSrc.m_x;
if (m_rcSrc.GetBottom() > rcImg.m_height)
m_rcSrc.m_height = rcImg.m_height - m_rcSrc.m_y;
// update panel
Refresh(false);
return true;
}
/**< select a CIRCLE/ELLIPSE/SQUARE/RECTANGLE in image */
bool ImagePanel::SelTools(IMGPL_CMD cmd, const wxString& imgFile /*= wxEmptyString*/, int hx /*= 0*/, int hy /*= 0*/)
{
if (!m_img.IsOk())
return false;
if (cmd == IMGPL_CMD::NONE)
{
// mouse function is none
m_stMP.emFuc = IMGPL_CMD::NONE;
// set mouse cur
SetCursor(wxCursor(wxCURSOR_ARROW));
return true;
}
if ( cmd != IMGPL_CMD::SEL_CIRCLE
&& cmd != IMGPL_CMD::SEL_ELLIPSE
&& cmd != IMGPL_CMD::SEL_SQUARE
&& cmd != IMGPL_CMD::SEL_RECTANGLE)
return false;
// mouse function is sel a circle
m_stMP.emFuc = cmd;
// set mouse cur
if (imgFile.IsEmpty())
SetCursor(wxCursor(wxCURSOR_CROSS));
else
{
wxImage img(imgFile, wxBITMAP_TYPE_PNG);
img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, hx);
img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, hy);
SetCursor(wxCursor(img));
}
return true;
}
/**< proc func btn ui update */
bool ImagePanel::UpdateUI(IMGPL_CMD cmd, wxUpdateUIEvent& event)
{
switch (cmd)
{
case IMGPL_CMD::IMG_ZIN:
case IMGPL_CMD::IMG_ZOUT:
case IMGPL_CMD::IMG_ZFIT:
case IMGPL_CMD::IMG_ZACTUAL:
event.Enable(m_img.IsOk());
break;
case IMGPL_CMD::IMG_MOVE:
case IMGPL_CMD::IMG_ZRECT:
case IMGPL_CMD::SEL_CIRCLE:
case IMGPL_CMD::SEL_ELLIPSE:
case IMGPL_CMD::SEL_SQUARE:
case IMGPL_CMD::SEL_RECTANGLE:
event.Enable(m_img.IsOk());
event.Check(m_stMP.emFuc == cmd);
break;
default:
break;
}
return true;
}
/**< view coord to image coord */
bool ImagePanel::V2I(wxPoint& pt)
{
if (!m_img.IsOk())
return false;
pt.x = (int)(m_rcSrc.m_x + (pt.x - m_rcDest.m_x)/m_dScale);
pt.y = (int)(m_rcSrc.m_y + (pt.y - m_rcDest.m_y)/m_dScale);
return true;
}
bool ImagePanel::V2I(wxSize& sz)
{
if (!m_img.IsOk())
return false;
sz.x = (int)(sz.x/m_dScale);
sz.y = (int)(sz.y/m_dScale);
return true;
}
bool ImagePanel::V2I(wxRect& rc)
{
if (!m_img.IsOk())
return false;
rc.x = (int)(m_rcSrc.m_x + (rc.x - m_rcDest.m_x)/m_dScale);
rc.y = (int)(m_rcSrc.m_y + (rc.y - m_rcDest.m_y)/m_dScale);
rc.width = (int)(rc.width/m_dScale);
rc.height = (int)(rc.height/m_dScale);
return true;
}
/**< image coord to view coord */
bool ImagePanel::I2V(wxPoint& pt)
{
if (!m_img.IsOk())
return false;
pt.x = (int)(m_rcDest.m_x + (pt.x - m_rcSrc.m_x)*m_dScale);
pt.y = (int)(m_rcDest.m_y + (pt.y - m_rcSrc.m_y)*m_dScale);
return true;
}
bool ImagePanel::I2V(wxSize& sz)
{
if (!m_img.IsOk())
return false;
sz.x = (int)(sz.x*m_dScale);
sz.y = (int)(sz.y*m_dScale);
return true;
}
bool ImagePanel::I2V(wxRect& rc)
{
if (!m_img.IsOk())
return false;
rc.x = (int)(m_rcDest.m_x + (rc.x - m_rcSrc.m_x)*m_dScale);
rc.y = (int)(m_rcDest.m_y + (rc.y - m_rcSrc.m_y)*m_dScale);
rc.width = (int)(rc.width*m_dScale);
rc.height = (int)(rc.height*m_dScale);
return true;
}
////////////////////////////////////////////////////////////////////////////////////////
/**< calculate the sel max size, related to center */
bool ImagePanel::CalcuMaxSelSize(bool bEqual /*= false*/)
{
// the distance to 4 boders
m_stMP.rcSel.x =m_stMP.ptB.x - (int)m_rcDest.m_x;
m_stMP.rcSel.y = m_stMP.ptB.y - (int)m_rcDest.m_y;
m_stMP.rcSel.width = (int)(m_rcDest.m_x + m_rcDest.m_width - 1.0) - m_stMP.ptB.x;
m_stMP.rcSel.height = (int)(m_rcDest.m_y + m_rcDest.m_height - 1.0) - m_stMP.ptB.y;
// the max distance
m_stMP.szMv.x = m_stMP.rcSel.x;
if (m_stMP.szMv.x > m_stMP.rcSel.width)
m_stMP.szMv.x = m_stMP.rcSel.width;
m_stMP.szMv.y = m_stMP.rcSel.y;
if (m_stMP.szMv.y > m_stMP.rcSel.height)
m_stMP.szMv.y = m_stMP.rcSel.height;
// if widht and height equal size
if (bEqual)
{
if (m_stMP.szMv.x < m_stMP.szMv.y)
m_stMP.szMv.y = m_stMP.szMv.x;
else
m_stMP.szMv.x = m_stMP.szMv.y;
}
// the initialize result
m_stMP.rcSel.x = m_stMP.ptB.x;
m_stMP.rcSel.y = m_stMP.ptB.y;
m_stMP.rcSel.width = 0;
m_stMP.rcSel.height = 0;
return true;
}
/**< calculate the rect of the mouse sel */
bool ImagePanel::RegulaSelRect(bool bI /*= false*/, bool bEqual /*= false*/, bool bCenter /*= false*/)
{
if (bCenter)
{
// calculate widht and height
m_stMP.rcSel.width = abs(m_stMP.ptE.x - m_stMP.ptB.x);
m_stMP.rcSel.height = abs(m_stMP.ptE.y - m_stMP.ptB.y);
if (m_stMP.rcSel.width > m_stMP.szMv.x)
m_stMP.rcSel.width = m_stMP.szMv.x;
if (m_stMP.rcSel.height > m_stMP.szMv.y)
m_stMP.rcSel.height = m_stMP.szMv.y;
// if width be equal to height
if (bEqual)
{
if (m_stMP.rcSel.width > m_stMP.rcSel.height)
m_stMP.rcSel.width = m_stMP.rcSel.height;
else
m_stMP.rcSel.height = m_stMP.rcSel.width;
}
// adust topleft and widthheight
m_stMP.rcSel.x = m_stMP.ptB.x - m_stMP.rcSel.width;
m_stMP.rcSel.y = m_stMP.ptB.y - m_stMP.rcSel.height;
m_stMP.rcSel.width = m_stMP.rcSel.width*2 + 1;
m_stMP.rcSel.height = m_stMP.rcSel.height*2 + 1;
}
else
{
wxRect limit;
limit.x = (int)m_rcDest.m_x;
limit.width = (int)(m_rcDest.m_x + m_rcDest.m_width - 1.0);
limit.y = (int)m_rcDest.m_y;
limit.height = (int)(m_rcDest.m_y + m_rcDest.m_height - 1.0);
if (m_stMP.ptE.x < limit.x)
m_stMP.ptE.x = limit.x;
else if (m_stMP.ptE.x > limit.width)
m_stMP.ptE.x = limit.width;
if (m_stMP.ptE.y < limit.y)
m_stMP.ptE.y = limit.y;
else if (m_stMP.ptE.y > limit.height)
m_stMP.ptE.y = limit.height;
if (bEqual)
{
limit.x = m_stMP.ptE.x - m_stMP.ptB.x;
limit.width = abs(limit.x);
limit.y = m_stMP.ptE.y - m_stMP.ptB.y;
limit.height = abs(limit.y);
if (limit.width < limit.height)
{
if (limit.y < 0)
m_stMP.ptE.y = m_stMP.ptB.y - limit.width;
else
m_stMP.ptE.y = m_stMP.ptB.y + limit.width;
}
else if (limit.width > limit.height)
{
if (limit.x < 0)
m_stMP.ptE.x = m_stMP.ptB.x - limit.height;
else
m_stMP.ptE.x = m_stMP.ptB.x + limit.height;
}
}
if (m_stMP.ptB.x < m_stMP.ptE.x)
{
m_stMP.rcSel.x = m_stMP.ptB.x;
m_stMP.rcSel.width = m_stMP.ptE.x - m_stMP.ptB.x + 1;
}
else
{
m_stMP.rcSel.x = m_stMP.ptE.x;
m_stMP.rcSel.width = m_stMP.ptB.x - m_stMP.ptE.x + 1;
}
if (m_stMP.ptB.y < m_stMP.ptE.y)
{
m_stMP.rcSel.y = m_stMP.ptB.y;
m_stMP.rcSel.height = m_stMP.ptE.y - m_stMP.ptB.y + 1;
}
else
{
m_stMP.rcSel.y = m_stMP.ptE.y;
m_stMP.rcSel.height = m_stMP.ptB.y - m_stMP.ptE.y + 1;
}
}
// coordinate system change to image
if (bI)
V2I(m_stMP.rcSel);
return true;
}
/**< calculate the sel radus */
bool ImagePanel::CalcuSelRadius(bool bI /*= false*/)
{
int cx = m_stMP.ptE.x - m_stMP.ptB.x;
int cy = m_stMP.ptE.y - m_stMP.ptB.y;
m_stMP.rcSel.width = (int)sqrt(cx*cx + cy*cy);
// cx should less than the max radius
if (m_stMP.rcSel.width > m_stMP.szMv.x)
m_stMP.rcSel.width = m_stMP.szMv.x;
m_stMP.rcSel.x = m_stMP.ptB.x; // the center
m_stMP.rcSel.y = m_stMP.ptB.y;
m_stMP.rcSel.height = m_stMP.rcSel.width;
if (bI)
V2I(m_stMP.rcSel);
return true;
}
/**< Image Move Mouse event */
bool ImagePanel::MLDImgMove(wxMouseEvent& event)
{
// flag
m_stMP.iState = 1; // button down
m_stMP.ptB.x = event.m_x; // start point
m_stMP.ptB.y = event.m_y;
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
m_stMP.szMv.x = 0;
m_stMP.szMv.y = 0;
// cursor
SetCursor(wxCursor(_T("./skin/HandClose.cur"), wxBITMAP_TYPE_CUR));
// capture mouse
CaptureMouse();
return true;
}
bool ImagePanel::MLUImgMove(wxMouseEvent& event)
{
if (m_stMP.iState == 2)
{
m_stMP.iState = 0;
// new point & move incremention
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
m_stMP.szMv.x = m_stMP.ptE.x - m_stMP.ptB.x;
m_stMP.szMv.y = m_stMP.ptE.y - m_stMP.ptB.y;
// Notify Parent: IMG_MOVE
wxImgplEvent evt(wxEVT_IMGPL, GetId());
evt.SetCMD(IMGPL_CMD::IMG_MOVE);
evt.SetParam((void*)&m_stMP.szMv);
GetParent()->GetEventHandler()->ProcessEvent(evt);
// move the image
m_rcDest = m_stMP.rcDO;
m_rcSrc = m_stMP.rcSO;
ImgMove(m_stMP.szMv);
}
m_stMP.iState = 0;
// cursor
SetCursor(wxCursor(_T("./skin/HandOpen.cur"), wxBITMAP_TYPE_CUR));
// release mouse
ReleaseMouse();
return true;
}
bool ImagePanel::MMVImgMove(wxMouseEvent& event)
{
if (m_stMP.iState == 1)
{
// switch to drag
m_stMP.iState = 2;
// remain old dest and src rect
m_stMP.rcDO = m_rcDest;
m_stMP.rcSO = m_rcSrc;
}
// new point & move incremention
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
m_stMP.szMv.x = m_stMP.ptE.x - m_stMP.ptB.x;
m_stMP.szMv.y = m_stMP.ptE.y - m_stMP.ptB.y;
// move the image
m_rcDest = m_stMP.rcDO;
m_rcSrc = m_stMP.rcSO;
ImgMove(m_stMP.szMv);
return true;
}
/**< Image zoom rect mouse event */
bool ImagePanel::MLDImgZRect(wxMouseEvent& event)
{
// flag
m_stMP.iState = 1; // button down
m_stMP.ptB.x = event.m_x; // start point
m_stMP.ptB.y = event.m_y;
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
m_stMP.rcSel.x = 0;
m_stMP.rcSel.y = 0;
m_stMP.rcSel.width = 0;
m_stMP.rcSel.height = 0;
// capture mouse
CaptureMouse();
return true;
}
bool ImagePanel::MLUImgZRect(wxMouseEvent& event)
{
if (m_stMP.iState == 2)
{
m_stMP.iState = 0;
// new point
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
// calculate the sel rect
RegulaSelRect();
// Notify Parent: IMG_ZRECT
wxImgplEvent evt(wxEVT_IMGPL, GetId());
evt.SetCMD(IMGPL_CMD::IMG_ZRECT);
evt.SetParam((void*)&m_stMP.rcSel);
GetParent()->GetEventHandler()->ProcessEvent(evt);
// Zoom rect
ImgZoomRect(m_stMP.rcSel);
}
else
{
m_stMP.iState = 0;
// update ui
Refresh(false);
}
// Release Mouse
ReleaseMouse();
return true;
}
bool ImagePanel::MMVImgZRect(wxMouseEvent& event)
{
if (m_stMP.iState == 1)
m_stMP.iState = 2; // switch to drag
// new point
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
// calculate the sel recty
RegulaSelRect();
// draw the sel rectangle
Refresh(false);
return true;
}
/**< Select a CIRCLE mouse event */
bool ImagePanel::MLDSelCircle(wxMouseEvent& event)
{
// flag
m_stMP.iState = 1; // button down
m_stMP.ptB.x = event.m_x; // start point
m_stMP.ptB.y = event.m_y;
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
// calcu the max radius
CalcuMaxSelSize(true);
// capture mouse
CaptureMouse();
return true;
}
bool ImagePanel::MLUSelCircle(wxMouseEvent& event)
{
// Release Mouse
ReleaseMouse();
if (m_stMP.iState == 2) // have draged
{
m_stMP.iState = 0;
// new point
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
// calculate the radius
CalcuSelRadius(true);
// Notify Parent: SEL_CIRCLE
wxImgplEvent evt(wxEVT_IMGPL, GetId());
evt.SetCMD(IMGPL_CMD::SEL_CIRCLE);
evt.SetParam((void*)&m_stMP.rcSel);
GetParent()->GetEventHandler()->ProcessEvent(evt);
}
else
m_stMP.iState = 0;
// update ui
Refresh(false);
return true;
}
bool ImagePanel::MMVSelCircle(wxMouseEvent& event)
{
if (m_stMP.iState == 1)
// switch to drag
m_stMP.iState = 2;
// new point & move incremention
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
// calculate the radius
CalcuSelRadius(false);
// draw the circle
Refresh(false);
return true;
}
/**< Select a ELLIPSE mouse event */
bool ImagePanel::MLDSelEllipse(wxMouseEvent& event)
{
// flag
m_stMP.iState = 1; // button down
m_stMP.ptB.x = event.m_x; // start point
m_stMP.ptB.y = event.m_y;
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
// calculate the max size
CalcuMaxSelSize(false);
// capture mouse
CaptureMouse();
return true;
}
bool ImagePanel::MLUSelEllipse(wxMouseEvent& event)
{
// Release Mouse
ReleaseMouse();
if (m_stMP.iState == 2) // have draged
{
m_stMP.iState = 0;
// new point
m_stMP.ptE.x = event.m_x;
m_stMP.ptE.y = event.m_y;
// calculate the rectangle
RegulaSelRect(true, false, true);
// Notify Parent: SEL_ELLIPSE
wxImgplEvent evt(wxEVT_IMGPL, GetId());
evt.SetCMD(IMGPL_CMD::SEL_ELLIPSE);
evt.SetParam((void*)&m_stMP.rcSel);
GetParent()->GetEventHandler()->ProcessEvent(evt);
}
else
m_stMP.iState = 0;
// update ui
Refresh(false);
return true;
}
bool ImagePanel::MMVSelEllipse(wxMouseEvent& event)
{