// Paint windows in z-order by first collecting the windows
// and then painting consecutive layers with the same z-order,
// starting with the lowest z-order.
// We don't sort because we want to preserve the order of
// containment of windows with the same z-order and non-stable
// sort could change it.
static void PaintWindowsInZOrder(Graphics *g, Control *c)
{
Vec<CtrlAndOffset> toPaint;
WndFilter wndFilter;
CtrlAndOffset * coff;
Pen debugPen(Color(255, 0, 0), 1);
CollectWindowsBreathFirst(c, 0, 0, &wndFilter, &toPaint);
size_t paintedCount = 0;
int16 lastPaintedZOrder = INT16_MIN;
for (;;) {
// find which z-order should we paint now
int16 minUnpaintedZOrder = INT16_MAX;
for (coff = toPaint.IterStart(); coff; coff = toPaint.IterNext()) {
int16 zOrder = coff->c->zOrder;
if ((zOrder > lastPaintedZOrder) && (zOrder < minUnpaintedZOrder))
minUnpaintedZOrder = zOrder;
}
for (coff = toPaint.IterStart(); coff; coff = toPaint.IterNext()) {
if (minUnpaintedZOrder == coff->c->zOrder) {
coff->c->Paint(g, coff->offX, coff->offY);
if (IsDebugPaint()) {
Rect bbox(coff->offX, coff->offY, coff->c->pos.Width, coff->c->pos.Height);
g->DrawRectangle(&debugPen, bbox);
}
++paintedCount;
}
}
if (paintedCount == toPaint.Count())
return;
CrashIf(paintedCount > toPaint.Count());
lastPaintedZOrder = minUnpaintedZOrder;
}
}
void PageControl::Paint(Graphics *gfx, int offX, int offY)
{
CrashIf(!IsVisible());
Timer timerAll;
CachedStyle *s = cachedStyle;
Timer timerFill;
Rect r(offX, offY, pos.Width, pos.Height);
if (!s->bgColor->IsTransparent()) {
Brush *br = BrushFromColorData(s->bgColor, r);
gfx->FillRectangle(br, r);
}
double durFill = timerFill.Stop();
if (!page)
return;
// during resize the page we currently show might be bigger than
// our area. To avoid drawing outside our area we clip
Region origClipRegion;
gfx->GetClip(&origClipRegion);
r.X += s->padding.left;
r.Y += s->padding.top;
r.Width -= (s->padding.left + s->padding.right);
r.Height -= (s->padding.top + s->padding.bottom);
r.Inflate(1,0);
gfx->SetClip(r, CombineModeReplace);
Color textColor;
if (gGlobalPrefs->useSysColors)
textColor.SetFromCOLORREF(GetSysColor(COLOR_WINDOWTEXT));
else
textColor.SetFromCOLORREF(gGlobalPrefs->ebookUI.textColor);
ITextRender *textRender = CreateTextRender(GetTextRenderMethod(), gfx);
Color bgCol;
if (gGlobalPrefs->useSysColors)
bgCol.SetFromCOLORREF(GetSysColor(COLOR_WINDOW));
else
bgCol.SetFromCOLORREF(gGlobalPrefs->ebookUI.backgroundColor);
textRender->SetTextBgColor(bgCol);
Timer timerDrawHtml;
DrawHtmlPage(gfx, textRender, &page->instructions, (REAL)r.X, (REAL)r.Y, IsDebugPaint(), textColor);
double durDraw = timerDrawHtml.Stop();
gfx->SetClip(&origClipRegion, CombineModeReplace);
delete textRender;
double durAll = timerAll.Stop();
plogf("all: %.2f, fill: %.2f, draw html: %.2f", durAll, durFill, durDraw);
}
void PageControl::Paint(Graphics *gfx, int offX, int offY)
{
CrashIf(!IsVisible());
#if 0
// for testing mouse move, paint a blue circle at current cursor position
if ((-1 != cursorX) && (-1 != cursorY)) {
SolidBrush br(Color(180, 0, 0, 255));
int x = offX + cursorX;
int y = offY + cursorY;
Rect r(RectForCircle(x, y, 10));
gfx->FillEllipse(&br, r);
}
#endif
CachedStyle *s = cachedStyle;
Rect r(offX, offY, pos.Width, pos.Height);
Brush *br = BrushFromColorData(s->bgColor, r);
gfx->FillRectangle(br, r);
if (!page)
return;
// during resize the page we currently show might be bigger than
// our area. To avoid drawing outside our area we clip
Region origClipRegion;
gfx->GetClip(&origClipRegion);
r.X += s->padding.left;
r.Y += s->padding.top;
r.Width -= (s->padding.left + s->padding.right);
r.Height -= (s->padding.top + s->padding.bottom);
r.Inflate(1,0);
gfx->SetClip(r, CombineModeReplace);
// TODO: support changing the text color to gRenderCache.colorRange[0]
// or GetSysColor(COLOR_WINDOWTEXT) if gGlobalPrefs.useSysColors
DrawHtmlPage(gfx, &page->instructions, (REAL)r.X, (REAL)r.Y, IsDebugPaint());
gfx->SetClip(&origClipRegion, CombineModeReplace);
}
