void CCxImageCtrl::SetScrollSize(int cx, int cy)
{
//////////////////////////////////////////////////////////////////////////
m_nCurHeight = cy;
int nScrollMax;
if (cy < m_dwHeight&&!GetStretchMode())
{
nScrollMax = m_dwHeight - cy;
}
else
nScrollMax = 0;
if(m_nVScrollPos<0)
m_nVScrollPos = 0;
if(m_nVScrollPos>nScrollMax)
m_nVScrollPos = nScrollMax;
SCROLLINFO si;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_ALL; // SIF_ALL = SIF_PAGE | SIF_RANGE | SIF_POS;
si.nMin = 0;
si.nMax = nScrollMax;
si.nPage = si.nMax/5;
si.nPos = m_nVScrollPos;
SetScrollInfo(SB_VERT, &si, TRUE);
//////////////////////////////////////////////////////////////////////////
m_nCurWidth = cx;
if (cx < m_dwWidth&&!GetStretchMode())
{
nScrollMax = m_dwWidth - cx;
}
else
nScrollMax = 0;
if(m_nHScrollPos<0)
m_nHScrollPos = 0;
if(m_nHScrollPos>nScrollMax)
m_nHScrollPos = nScrollMax;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_ALL; // SIF_ALL = SIF_PAGE | SIF_RANGE | SIF_POS;
si.nMin = 0;
si.nMax = nScrollMax;
si.nPage = si.nMax/5;
si.nPos = m_nHScrollPos;
SetScrollInfo(SB_HORZ, &si, TRUE);
//////////////////////////////////////////////////////////////////////////
Invalidate(FALSE);
}
bool VImageState::Build(VWindowBase *pOwner, TiXmlElement *pNode, const char *szPath, bool bWrite)
{
if (!pNode)
return false;
// button texture name
const char *szTexture = XMLHelper::Exchange_String(pNode,"texture",NULL,bWrite);
if (szTexture) // only assign when defined to preserve normal state
SetTexture(VGUIManager::LoadTexture(szTexture,szPath));
// texture coordinates and stretch mode
float *texCoordData = (float*)(&texCoord.m_vMin);
XMLHelper::Exchange_Floats(pNode,"texcoords",texCoordData,4,bWrite);
const char *szStretchMode = XMLHelper::Exchange_String(pNode,"stretchmode",NULL,bWrite);
if (szStretchMode)
m_eStretchMode = GetStretchMode(szStretchMode);
// button color
XMLHelper::Exchange_Color(pNode,"color",m_iColor,bWrite);
XMLHelper::Exchange_Transparency(pNode,"transparency",m_eTranspType,bWrite);
// other states
bool bFiltering = false;
XMLHelper::Exchange_Bool(pNode,"filtering",bFiltering,bWrite);
if (bFiltering)
m_iAdditionalStateFlags |= RENDERSTATEFLAG_FILTERING;
// mouse over cursor
const char *szCursor = XMLHelper::Exchange_String(pNode,"cursor",NULL,bWrite);
if (szCursor) // only assign when defined to preserve normal state
m_spCursor = pOwner->GetMenuManager()->LoadCursorResource(szCursor,szPath);
return true;
}
void CCxImageCtrl::ImageToClient(CPoint &point)
{
if (!m_hImage.IsValid())
return;
if (GetStretchMode())
{
CRect rect;
GetClientRect(&rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
double fx = point.x*width/(double)m_hImage.GetWidth();
double fy = point.y*height/(double)m_hImage.GetHeight();
point.x = (long)fx;
point.y = (long)fy;
}
else
{
double fx = point.x*GetZoomValue();
double fy = point.y*GetZoomValue();
fx -= m_nHScrollPos;
fy -= m_nVScrollPos;
point.x = (long)fx;
point.y = (long)fy;
}
}
void CCxImageCtrl::ClientToImage(CPoint &point)
{
if (!m_hImage.IsValid())
return;
if (GetStretchMode())
{
CRect rect;
GetClientRect(&rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
double fx = point.x*m_hImage.GetWidth()/(double)width;
double fy = point.y*m_hImage.GetHeight()/(double)height;
point.x = (long)fx;
point.y = (long)fy;
}
else
{
double fx =(double)(m_nHScrollPos + point.x);
double fy =(double)(m_nVScrollPos + point.y);
fx /= GetZoomValue();
fy /= GetZoomValue();
point.x = (long)fx;
point.y = (long)fy;
}
}
void CCxImageCtrl::OnPaint()
{
CPaintDC dc(this); // device context for painting
CRect ClipRect;
GetClientRect(&ClipRect);
if(m_hImage.IsValid())
{
if(GetStretchMode())
{
m_hImage.Stretch(dc,ClipRect);
if(m_bCaptureWasSet&&GetState()==CCxImageCtrl::IS_Crop)
{
dc.Draw3dRect(CRect(m_RefPoint,m_CropActivePoint),RGB(255, 0, 0), RGB(0, 255, 0));
}
}
else
{
CRect renderRect(-m_nHScrollPos,-m_nVScrollPos,m_dwWidth-m_nHScrollPos,m_dwHeight-m_nVScrollPos);
m_hImage.Draw(dc,renderRect);
if(m_bCaptureWasSet&&GetState()==CCxImageCtrl::IS_Crop)
{
dc.Draw3dRect(CRect(m_RefPoint,m_CropActivePoint),RGB(255, 0, 0), RGB(0, 255, 0));
}
dc.SetBkColor(0xEEEEEE);
dc.ExcludeClipRect(renderRect);
dc.FillRect(ClipRect,&m_brHatch);
}
}
// Do not call CWnd::OnPaint() for painting messages
}
