PixelSize
Font::TextSize(const TCHAR *text) const
{
AnyCanvas canvas;
canvas.Select(*this);
return canvas.CalcTextSize(text);
}
unsigned
WndFrame::GetTextHeight() const
{
PixelRect rc = GetClientRect();
const int padding = Layout::GetTextPadding();
rc.Grow(-padding);
AnyCanvas canvas;
canvas.Select(look.text_font);
return text_renderer.GetHeight(canvas, rc, text.c_str());
}
unsigned
WndFrame::GetTextHeight()
{
PixelRect rc = get_client_rect();
::InflateRect(&rc, -2, -2); // todo border width
AnyCanvas canvas;
canvas.Select(*font);
canvas.formatted_text(&rc, text.c_str(), mCaptionStyle | DT_CALCRECT);
return rc.bottom - rc.top;
}
void
Font::CalculateHeights()
{
AnyCanvas canvas;
canvas.Select(*this);
TEXTMETRIC tm;
::GetTextMetrics(canvas, &tm);
height = tm.tmHeight;
ascent_height = tm.tmAscent;
if (IsAltair()) {
// JMW: don't know why we need this in GNAV, but we do.
BufferCanvas buffer(canvas, tm.tmAveCharWidth, tm.tmHeight);
const HWColor white = buffer.map(COLOR_WHITE);
buffer.SetBackgroundOpaque();
buffer.SetBackgroundColor(COLOR_WHITE);
buffer.SetTextColor(COLOR_BLACK);
buffer.Select(*this);
RECT rec;
rec.left = 0;
rec.top = 0;
rec.right = tm.tmAveCharWidth;
rec.bottom = tm.tmHeight;
buffer.text_opaque(0, 0, rec, _T("M"));
UPixelScalar top = tm.tmHeight, bottom = 0;
for (UPixelScalar x = 0; x < (UPixelScalar)tm.tmAveCharWidth; ++x) {
for (UPixelScalar y = 0; y < (UPixelScalar)tm.tmHeight; ++y) {
if (buffer.GetPixel(x, y) != white) {
if (top > y)
top = y;
if (bottom < y)
bottom = y;
}
}
}
capital_height = bottom - top + 1;
} else {
// This works for PPC
capital_height = tm.tmAscent - 1 - tm.tmHeight / 10;
}
}
static int
ShowMapItemListDialog(SingleWindow &parent)
{
unsigned num_items = list->size();
UPixelScalar item_height = Fonts::map_bold.GetHeight() + Layout::Scale(6) +
Fonts::map_label.GetHeight();
assert(num_items <= 0x7fffffff);
assert(item_height > 0);
wf = LoadDialog(CallBackTable, parent, Layout::landscape ?
_T("IDR_XML_MAPITEMLIST_L") : _T("IDR_XML_MAPITEMLIST"));
assert(wf != NULL);
details_button = (WndButton *)wf->FindByName(_T("cmdDetails"));
assert(details_button);
WndListFrame *list_control =
(WndListFrame *)wf->FindByName(_T("frmComboPopupList"));
assert(list_control != NULL);
list_control->SetItemHeight(item_height);
list_control->SetLength(num_items);
list_control->SetCursorIndex(0);
list_control->SetActivateCallback(OnComboPopupListEnter);
list_control->SetPaintItemCallback(PaintListItem);
list_control->SetCursorCallback(OnListIndexChange);
OnListIndexChange(0);
WndFrame *info_label = (WndFrame *)wf->FindByName(_T("lblInfo"));
assert(info_label);
info_label->SetAlignCenter();
info_label->SetVAlignCenter();
TCHAR info_buffer[256], distance_buffer[32], direction_buffer[32];
if (vector.IsValid()) {
Units::FormatUserDistance(vector.distance, distance_buffer, 32);
FormatBearing(direction_buffer, ARRAY_SIZE(direction_buffer),
vector.bearing, _T("T"));
_stprintf(info_buffer, _T("%s: %s - %s: %s"),
_("Distance"), distance_buffer,
_("Direction"), direction_buffer);
} else {
_stprintf(info_buffer, _T("%s: %s - %s: %s"),
_("Distance"), _T("???"), _("Direction"), _T("???"));
}
TCHAR elevation_buffer[32];
if (elevation != RasterBuffer::TERRAIN_INVALID) {
Units::FormatUserAltitude(fixed(elevation), elevation_buffer, 32);
_stprintf(info_buffer + _tcslen(info_buffer), _T(" - %s: %s"),
_("Elevation"), elevation_buffer);
}
AnyCanvas canvas;
canvas.Select(info_label->GetFont());
UPixelScalar text_width = canvas.CalcTextWidth(info_buffer);
if (text_width > info_label->get_width()) {
if (vector.IsValid())
_stprintf(info_buffer, _T("%s - %s"), distance_buffer, direction_buffer);
else
_stprintf(info_buffer, _T("%s - %s"), _T("???"), _T("???"));
if (elevation != RasterBuffer::TERRAIN_INVALID)
_stprintf(info_buffer + _tcslen(info_buffer), _T(" - %s"), elevation_buffer);
}
info_label->SetCaption(info_buffer);
int result = wf->ShowModal() == mrOK
? (int)list_control->GetCursorIndex()
: -1;
delete wf;
return result;
}