TextMetrics GdiContext2D::measureText(const wchar_t* psz)
{
Check();
// TEXTMETRIC tm;
// GetTextMetrics(m_hDC, &tm);
//
HFONT oldfont = (HFONT) SelectObject(m_hDC, (HFONT) font.m_pNativeObject);
SIZE sz;
::GetTextExtentPoint(m_hDC, psz, wcslen(psz), &sz);
::SelectObject(m_hDC, oldfont);
return TextMetrics(sz.cx);
}
wxSize StyledTextBox::GetMinSize() const {
int width = 0;
int height = 0;
TextMetrics textMetrics = TextMetrics(const_cast<StyledTextBox*>(this));
int fontHeight = textMetrics.GetFontMetrics().height;
width += GetInsets().Width();
height += GetInsets().Height();
height += fontHeight;
wxSize userMinSize = StyledWindow::GetMinSize();
return wxSize(std::max(width, userMinSize.GetWidth()), std::max(height, userMinSize.GetHeight()));
}
const TextMetrics TextLayout::GetMetrics(std::error_code& error_code) const {
DWRITE_TEXT_METRICS dwrite_text_metrics = { 0 };
HRESULT result = handle_->GetMetrics(&dwrite_text_metrics);
error_code = MakeComErrorCode(result);
if (! IsSucceeded(error_code)) {
return TextMetrics();
}
TextMetrics text_metrics;
text_metrics.left = dwrite_text_metrics.left;
text_metrics.top = dwrite_text_metrics.top;
text_metrics.width = dwrite_text_metrics.width;
text_metrics.height = dwrite_text_metrics.height;
text_metrics.width_including_trailing_whitespace = dwrite_text_metrics.widthIncludingTrailingWhitespace;
text_metrics.max_bidi_reordering_depth = dwrite_text_metrics.maxBidiReorderingDepth;
return text_metrics;
}
int StyledTextBox::FindCursorPointFromIndex() {
TextMetrics textMetrics = TextMetrics(const_cast<StyledTextBox*>(this));
return textMetrics.GetTextSize(GetText().SubString(0, GetCursorPosition() - 1), GetDefinitionBundle().GetFont()).GetWidth() + pimpl->textOffset;
}
