void GlPlanes::GetHsv(int32 pix, float* hue, float* s, float* v) const
{
ArpASSERT(HasColor());
ArpASSERT(pix >= 0 && pix < w * h);
float fr = glTable256[r[pix]];
float fg = glTable256[g[pix]];
float fb = glTable256[b[pix]];
float min, max;
min = gl_min_3(fr, fg, fb);
max = gl_max_3(fr, fg, fb);
*v = max; // v
if (!hue || !s) return;
float delta = max - min;
if (max != 0)
*s = delta / max; // s
else {
// r = g = b = 0 // s = 0, hue is undefined
*s = 0;
*hue = -1;
return;
}
if (fr == max)
*hue = (fg - fb) / delta; // between yellow & magenta
else if (fg == max)
*hue = 2 + (fb - fr) / delta; // between cyan & yellow
else
*hue = 4 + (fr - fg) / delta; // between magenta & cyan
*hue *= 60; // degrees
if (*hue < 0)
*hue += 360;
}
uint8 GlPlanes::Value(int32 pix) const
{
ArpASSERT(HasColor());
ArpASSERT(pix >= 0 && pix < w * h);
if (gInitValue)
return arp_clip_255(gScaledR[r[pix]] + gScaledG[g[pix]] + gScaledB[b[pix]]);
uint8 v = (r[pix] > g[pix]) ? r[pix] : g[pix];
return (v > b[pix]) ? v : b[pix];
}
COLORREF COXTreeItem::GetItemColor(int nCol) const
{
ASSERT(HasColor(nCol));
if(!nCol)
return m_clr;
COXTreeSubItem *pSubItem = GetSubItem(nCol);
if(!pSubItem)
{
ASSERT(FALSE);
return 0;
}
return pSubItem->m_clr;
}
void GlPlanes::SetHsv(int32 pix, float hue, float s, float v)
{
ArpASSERT(HasColor());
ArpASSERT(pix >= 0 && pix < w * h);
int i;
float f, p, q, t;
if (s == 0) {
// achromatic (grey)
r[pix] = g[pix] = b[pix] = arp_clip_255(v * 255);
return;
}
hue /= 60; // sector 0 to 5
i = int(floor(hue));
f = hue - i; // factorial part of hue
p = v * (1 - s);
q = v * (1 - s * f);
t = v * (1 - s * (1 - f));
switch (i) {
case 0:
r[pix] = arp_clip_255(v * 255);
g[pix] = arp_clip_255(t * 255);
b[pix] = arp_clip_255(p * 255);
break;
case 1:
r[pix] = arp_clip_255(q * 255);
g[pix] = arp_clip_255(v * 255);
b[pix] = arp_clip_255(p * 255);
break;
case 2:
r[pix] = arp_clip_255(p * 255);
g[pix] = arp_clip_255(v * 255);
b[pix] = arp_clip_255(t * 255);
break;
case 3:
r[pix] = arp_clip_255(p * 255);
g[pix] = arp_clip_255(q * 255);
b[pix] = arp_clip_255(v * 255);
break;
case 4:
r[pix] = arp_clip_255(t * 255);
g[pix] = arp_clip_255(p * 255);
b[pix] = arp_clip_255(v * 255);
break;
default:
r[pix] = arp_clip_255(v * 255);
g[pix] = arp_clip_255(p * 255);
b[pix] = arp_clip_255(q * 255);
break;
}
}
LRESULT CTDCTaskListCtrl::OnListCustomDraw(NMLVCUSTOMDRAW* pLVCD)
{
HWND hwndList = pLVCD->nmcd.hdr.hwndFrom;
int nItem = (int)pLVCD->nmcd.dwItemSpec;
DWORD dwTaskID = pLVCD->nmcd.lItemlParam;
if (hwndList == m_lcColumns)
{
// columns handled by base class
return CTDCTaskCtrlBase::OnListCustomDraw(pLVCD);
}
switch (pLVCD->nmcd.dwDrawStage)
{
case CDDS_PREPAINT:
return CDRF_NOTIFYITEMDRAW;
case CDDS_ITEMPREPAINT:
{
CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc);
BOOL bAlternate = (IsColumnLineOdd(nItem) && HasColor(m_crAltLine));
COLORREF crBack = (bAlternate ? m_crAltLine : GetSysColor(COLOR_WINDOW));
if (HasStyle(TDCS_TASKCOLORISBACKGROUND))
{
GetTaskTextColors(dwTaskID, pLVCD->clrText, pLVCD->clrTextBk);
if (pLVCD->clrTextBk != CLR_NONE)
crBack = pLVCD->clrTextBk;
}
pLVCD->clrTextBk = pLVCD->clrText = crBack;
if (!OsIsXP())
{
GraphicsMisc::FillItemRect(pDC, &pLVCD->nmcd.rc, crBack, m_lcTasks);
ListView_SetBkColor(m_lcTasks, crBack);
}
return (CDRF_NOTIFYPOSTPAINT | CDRF_NEWFONT); // always
}
break;
case CDDS_ITEMPOSTPAINT:
{
const TODOITEM* pTDI = NULL;
const TODOSTRUCTURE* pTDS = NULL;
DWORD dwTaskID = GetTaskID(nItem), dwTrueID(dwTaskID);
if (m_data.GetTask(dwTrueID, pTDI, pTDS))
{
CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc);
CFont* pOldFont = pDC->SelectObject(GetTaskFont(pTDI, pTDS, FALSE));
GM_ITEMSTATE nState = GetListItemState(nItem);
BOOL bSelected = (nState != GMIS_NONE);
BOOL bAlternate = (IsColumnLineOdd(nItem) && HasColor(m_crAltLine));
COLORREF crBack, crText;
VERIFY(GetTaskTextColors(pTDI, pTDS, crText, crBack, (dwTaskID != dwTrueID), bSelected));
// draw background
CRect rRow(pLVCD->nmcd.rc);
// extra for XP
if (OsIsXP())
m_lcTasks.GetItemRect(nItem, rRow, LVIR_BOUNDS);
CRect rItem;
GetItemTitleRect(nItem, TDCTR_LABEL, rItem, pDC, pTDI->sTitle);
DrawTasksRowBackground(pDC, rRow, rItem, nState, bAlternate, crBack);
// draw text
DrawColumnText(pDC, pTDI->sTitle, rItem, DT_LEFT, crText, TRUE);
rItem.right = (rItem.left + pDC->GetTextExtent(pTDI->sTitle).cx + LV_COLPADDING);
// cleanup
pDC->SelectObject(pOldFont);
// render comment text
DrawCommentsText(pDC, rRow, rItem, pTDI, pTDS);
}
// restore default back colour
ListView_SetBkColor(m_lcTasks, GetSysColor(COLOR_WINDOW));
return CDRF_SKIPDEFAULT; // always
}
break;
}
return CDRF_DODEFAULT;
}
