// DlgHisto.cpp : implementation file
//
#include "stdafx.h"
#include "demo.h"
#include "MainFrm.h"
#include "DlgHisto.h"
#include "demodoc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// DlgHisto dialog
DlgHisto::DlgHisto()
{ m_initok = false;}
/////////////////////////////////////////////////////////////////////////////
DlgHisto::~DlgHisto()
{ }
/////////////////////////////////////////////////////////////////////////////
BOOL DlgHisto::Create(CWnd* pParentWnd, LPCTSTR lpszTemplateName, UINT nStyle, UINT nID)
{
BOOL bSuccess = CDialogBar::Create(pParentWnd, lpszTemplateName, nStyle, nID);
InitDlg();
return bSuccess;
}
/////////////////////////////////////////////////////////////////////////////
BOOL DlgHisto::Create(CWnd* pParentWnd, UINT nIDTemplate, UINT nStyle, UINT nID)
{
BOOL bSuccess = CDialogBar::Create(pParentWnd, nIDTemplate, nStyle, nID);
InitDlg();
return bSuccess;
}
/////////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP(DlgHisto, CDialogBar)
//{{AFX_MSG_MAP(DlgHisto)
ON_WM_PAINT()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// DlgHisto message handlers
void DlgHisto::InitDlg()
{
if (m_initok) return;
RECT r1 = {10,8,59,35};
m_r.Create("",WS_VISIBLE|WS_TABSTOP,r1,this,0);
m_r.SetButtonStyle(BS_PUSHLIKE|BS_FLAT|BS_AUTOCHECKBOX,0);
m_r.SetWindowText("R");
m_r.EnableTarget(0);
m_r.SetIcon(IDI_R,BS_LEFT);
m_r.SetCheck(1);
m_r.EnableWindow(1);
RECT r2 = {60,8,109,35};
m_g.Create("",WS_VISIBLE|WS_TABSTOP,r2,this,0);
m_g.SetButtonStyle(BS_PUSHLIKE|BS_FLAT|BS_AUTOCHECKBOX,0);
m_g.SetWindowText("G");
m_g.EnableTarget(0);
m_g.SetIcon(IDI_G,BS_LEFT);
m_g.SetCheck(1);
m_g.EnableWindow(1);
RECT r3 = {110,8,159,35};
m_b.Create("",WS_VISIBLE|WS_TABSTOP,r3,this,0);
m_b.SetButtonStyle(BS_PUSHLIKE|BS_FLAT|BS_AUTOCHECKBOX,0);
m_b.SetWindowText("B");
m_b.EnableTarget(0);
m_b.SetIcon(IDI_B,BS_LEFT);
m_b.SetCheck(1);
m_b.EnableWindow(1);
RECT r4 = {160,8,209,35};
m_gray.Create("",WS_VISIBLE|WS_TABSTOP,r4,this,0);
m_gray.SetButtonStyle(BS_PUSHLIKE|BS_FLAT|BS_AUTOCHECKBOX,0);
m_gray.SetWindowText("gray");
m_gray.EnableTarget(0);
m_gray.SetIcon(IDI_GRAY,BS_LEFT);
m_gray.SetCheck(1);
m_gray.EnableWindow(1);
m_ren=m_gen=m_ben=m_grayen=1;
CButton* plog = (CButton*)GetDlgItem(IDC_LOG);
if (plog) { plog->SetCheck(1); m_logen=1; } else m_logen=0;
m_initok=true;
}
BOOL DlgHisto::OnCommand(WPARAM wparam, LPARAM lparam)
{
CDialogBar::OnCommand(wparam, lparam);
m_ren=m_r.GetCheck();
m_gen=m_g.GetCheck();
m_ben=m_b.GetCheck();
m_grayen=m_gray.GetCheck();
CButton* plog = (CButton*)GetDlgItem(IDC_LOG);
m_logen=plog->GetCheck();
Invalidate();
return TRUE;
}
void DlgHisto::OnPaint()
{
CPaintDC dc(this); // device context for painting
CDemoDoc* pDoc = (CDemoDoc*) ((CMainFrame*)AfxGetMainWnd())->GetActiveFrame()->GetActiveDocument();
RECT r;
GetClientRect(&r);
CPen gridPen(PS_DOT,1,::GetSysColor(COLOR_APPWORKSPACE));
CPen* pOldPen = dc.SelectObject(&gridPen);
for (int gx=9+32;gx<265;gx+=32){
dc.MoveTo(gx,40);
dc.LineTo(gx,r.bottom - 6);
}
for (int gy=0;gy<(r.bottom - 40);gy+=((r.bottom - 40)/10)){
dc.MoveTo(8,r.bottom - 9 - gy);
dc.LineTo(268,r.bottom - 9 - gy);
}
dc.SelectObject(pOldPen);
CPen axisPen(PS_SOLID, 1, ::GetSysColor(COLOR_3DSHADOW));
pOldPen = dc.SelectObject(&axisPen);
dc.MoveTo(9, 38);
dc.LineTo(9, r.bottom - 9);
dc.LineTo(266, r.bottom - 9);
dc.LineTo(266, 38);
dc.SelectObject(pOldPen);
if (pDoc && pDoc->image) {
if (pDoc->m_hmax){
int ybase = r.bottom-10;
if (m_logen){
float yratio = (r.bottom - r.top - 50)/(float)log10((float)(pDoc->m_hmax+1));
if (m_ren){
CPen redPen(PS_SOLID, 1, RGB(222, 0, 0));
pOldPen = dc.SelectObject(&redPen);
dc.MoveTo(10, (int)(ybase-log10((float)(1+pDoc->m_hr[0]))*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-log10((float)(1+pDoc->m_hr[x]))*yratio));
}
if (m_gen){
CPen greenPen(PS_SOLID, 1, RGB(0, 222, 0));
pOldPen = dc.SelectObject(&greenPen);
dc.MoveTo(10, (int)(ybase-log10((float)(1+pDoc->m_hg[0]))*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-log10((float)(1+pDoc->m_hg[x]))*yratio));
}
if (m_ben){
CPen bluePen(PS_SOLID, 1, RGB(0, 0, 222));
pOldPen = dc.SelectObject(&bluePen);
dc.MoveTo(10, (int)(ybase-log10((float)(1+pDoc->m_hb[0]))*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-log10((float)(1+pDoc->m_hb[x]))*yratio));
}
if (m_grayen){
CPen grayPen(PS_SOLID, 1, RGB(64, 64, 64));
pOldPen = dc.SelectObject(&grayPen);
dc.MoveTo(10, (int)(ybase-log10((float)(1+pDoc->m_hgray[0]))*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-log10((float)(1+pDoc->m_hgray[x]))*yratio));
}
dc.SelectObject(pOldPen);
} else {
float yratio = (r.bottom - r.top - 50)/(float)pDoc->m_hmax;
if (m_ren){
CPen redPen(PS_SOLID, 1, RGB(222, 0, 0));
pOldPen = dc.SelectObject(&redPen);
dc.MoveTo(10, (int)(ybase-pDoc->m_hr[0]*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-pDoc->m_hr[x]*yratio));
}
if (m_gen){
CPen greenPen(PS_SOLID, 1, RGB(0, 222, 0));
pOldPen = dc.SelectObject(&greenPen);
dc.MoveTo(10, (int)(ybase-pDoc->m_hg[0]*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-pDoc->m_hg[x]*yratio));
}
if (m_ben){
CPen bluePen(PS_SOLID, 1, RGB(0, 0, 222));
pOldPen = dc.SelectObject(&bluePen);
dc.MoveTo(10, (int)(ybase-pDoc->m_hb[0]*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-pDoc->m_hb[x]*yratio));
}
if (m_grayen){
CPen grayPen(PS_SOLID, 1, RGB(64, 64, 64));
pOldPen = dc.SelectObject(&grayPen);
dc.MoveTo(10, (int)(ybase-pDoc->m_hgray[0]*yratio));
for (int x=1; x<256; x++)
dc.LineTo(x+10, (int)(ybase-pDoc->m_hgray[x]*yratio));
}
dc.SelectObject(pOldPen);
}
}
else
{
pDoc->m_hmax=pDoc->GetImage()->Histogram(pDoc->m_hr,pDoc->m_hg,pDoc->m_hb,pDoc->m_hgray);
if (pDoc->m_hmax) Invalidate();
}
}
}
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