void RenderContext::CalcStringSizeWithFlags(const wchar_t* text, size_t text_len, const Font& font, const Size& sz, int flags, Size& out, size_t* len /*= NULL*/, int* lines /*= NULL*/)
{
HDC hdc = GetDC(NULL);
Gdiplus::Graphics graphics(hdc);
Gdiplus::Font gdi_font(hdc, font.ToHFONT());
Gdiplus::StringFormat format;
Gdiplus::RectF rectF(0, 0, sz.width(), sz.height());
Gdiplus::RectF outF;
GetStringFormat(format, flags);
graphics.SetTextRenderingHint(Gdiplus::TextRenderingHintAntiAlias);
graphics.MeasureString(text, text_len, &gdi_font, rectF, &format, &outF, (int*)len, lines);
out.SetSize(outF.Width, outF.Height);
::ReleaseDC(NULL, hdc);
}
void
ESChildPreActionControl::OnPaintClient(_DC* pDC, Rect* pRectDC, Rect* pRectClient){
Image* pImage = m_bActiveState ? GetActiveImage() : GetDefaultImage();
COLORREF crText = m_bActiveState ? m_crTextActive : m_crTextDefault;
float fZoomCX = 1.0f, fZoomCY = 1.0f;
m_pOwner->GetZoom(fZoomCX, fZoomCY);
if( fZoomCX == 1.0f )
m_nTextLeftOffsetScaled = m_nTextLeftOffset;
Size szImage;
Rect rcClient = GetClientRect();
if( pImage && !pImage->IsNull() ){
szImage.SetSize(pImage->GetWidth()*fZoomCX, pImage->GetHeight()*fZoomCY);
if( m_bActiveState ){
if( fZoomCX == 1.0f && fZoomCY == 1.0f )
m_pOwner->DrawBackground(pDC, pRectDC, pRectClient, rcClient, FillMode::FillMode_OmitBorderedImage, RGB(0, 0, 0), pImage, m_rcOmitborder);
else{
if( !m_imageActiveBg_Scaled.IsNull() && m_imageActiveBg_Scaled.GetWidth() == szImage.cx && m_imageActiveBg_Scaled.GetHeight() == szImage.cy )
m_pOwner->DrawBackground(pDC, pRectDC, pRectClient, rcClient, FillMode::FillMode_OmitBorderedImage, RGB(0, 0, 0), &m_imageActiveBg_Scaled, m_rcOmitborder_Scaled);
else{
ImageDef hDestScaled = NULL;
if( pImage->ScaleBitmap(ScaleMode::ScaleMode_Bilinier, szImage.cx, szImage.cy, Rect(0, 0, szImage.cx, szImage.cy), hDestScaled, true) ){
m_imageActiveBg_Scaled.Destroy();
m_imageActiveBg_Scaled.Attach(hDestScaled);
m_rcOmitborder_Scaled = Rect(m_rcOmitborder.left*fZoomCX, m_rcOmitborder.top*fZoomCY, m_rcOmitborder.right*fZoomCX, m_rcOmitborder.bottom*fZoomCY);
m_pOwner->DrawBackground(pDC, pRectDC, pRectClient, rcClient, FillMode::FillMode_OmitBorderedImage, RGB(0, 0, 0), &m_imageActiveBg_Scaled, m_rcOmitborder_Scaled);
}
}
}
}
else{
if( fZoomCX == 1.0f && fZoomCY == 1.0f )
m_pOwner->DrawBackground(pDC, pRectDC, pRectClient, rcClient, FillMode::FillMode_OmitBorderedImage, RGB(0, 0, 0), pImage, m_rcOmitborder);
else{
if( !m_imagDefaultBg_Scaled.IsNull() && m_imagDefaultBg_Scaled.GetWidth() == szImage.cx && m_imagDefaultBg_Scaled.GetHeight() == szImage.cy )
m_pOwner->DrawBackground(pDC, pRectDC, pRectClient, rcClient, FillMode::FillMode_OmitBorderedImage, RGB(0, 0, 0), &m_imagDefaultBg_Scaled, m_rcOmitborder_Scaled);
else{
ImageDef hDestScaled = NULL;
if( pImage->ScaleBitmap(ScaleMode::ScaleMode_Bilinier, szImage.cx, szImage.cy, Rect(0, 0, szImage.cx, szImage.cy), hDestScaled, true) ){
m_imagDefaultBg_Scaled.Destroy();
m_imagDefaultBg_Scaled.Attach(hDestScaled);
m_rcOmitborder_Scaled = Rect(m_rcOmitborder.left*fZoomCX, m_rcOmitborder.top*fZoomCY, m_rcOmitborder.right*fZoomCX, m_rcOmitborder.bottom*fZoomCY);
m_pOwner->DrawBackground(pDC, pRectDC, pRectClient, rcClient, FillMode::FillMode_OmitBorderedImage, RGB(0, 0, 0), &m_imagDefaultBg_Scaled, m_rcOmitborder_Scaled);
}
}
}
}
}
// Draw text. {{
Size szText;
if( m_sLabelLocal.length() ){
Font fontText;
m_fontText.StretchedTextFont(&fontText, fZoomCX, fZoomCY);
fontText.GetTextSize(&m_sLabelLocal, szText);
FONTDef pFontOld = pDC->SelectObject(fontText);
// Translate from window pixel to DC pixel.{{
Point ptLabel;
ptLabel.x = ((rcClient.left + m_nTextLeftOffsetScaled /*(rcClient.Width() - szText.cx)/2*/) - pRectClient->left) + pRectDC->left;
ptLabel.y = ((rcClient.top + (rcClient.Height() - szText.cy)/2) - pRectClient->top) + pRectDC->top;
//}}
pDC->SetBkMode (TRANSPARENT);
pDC->SetTextColor (crText);
pDC->ExtTextOut (ptLabel.x, ptLabel.y, ETO_CLIPPED, pRectDC, m_sLabelLocal);
pDC->SelectObject (pFontOld);
}
ESChildControl::OnPaintClient(pDC, pRectDC, pRectClient);
}