Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Rescale wxPGProperty bitmap while drawing

Browse Source 
Property bitmap should be stored in its original size and rescaling
to the required size should be done only while drawing the property.
This way bitmap size will always fit to the actual wxPG line height.
This commit is contained in:
Artur Wieczorek
2020-04-12 17:39:39 +02:00
parent b039ff1822
commit f31b9b27f4
1 changed files with 30 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
src/propgrid/property.cpp
View File

@@ -1313,7 +1313,20 @@ bool wxPGProperty::SetValueFromInt( long number, int argFlags )
wxSize wxPGProperty::OnMeasureImage( int WXUNUSED(item) ) const
{
if ( m_valueBitmap )
return wxSize(m_valueBitmap->GetWidth(), wxDefaultCoord);
{
wxPropertyGrid* pg = GetGrid();
double scale = 1.0;
if ( pg )
{
int hMax = pg->GetImageSize().GetHeight();
if ( m_valueBitmap->GetHeight() > hMax )
{
scale = (double)hMax / m_valueBitmap->GetHeight();
}
}
return wxSize(wxRound(scale*m_valueBitmap->GetWidth()), wxDefaultCoord);
}
return wxSize(0,0);
}
@@ -1343,11 +1356,23 @@ void wxPGProperty::OnCustomPaint( wxDC& dc,
const wxRect& rect,
wxPGPaintData& )
{
wxBitmap* bmp = m_valueBitmap;
wxCHECK_RET( m_valueBitmap && m_valueBitmap->IsOk(), wxS("invalid bitmap") );
wxCHECK_RET( bmp && bmp->IsOk(), wxS("invalid bitmap") );
wxBitmap scaledBmp;
int yOfs;
if ( m_valueBitmap->GetHeight() <= rect.height )
{
scaledBmp = *m_valueBitmap;
yOfs = (rect.height - m_valueBitmap->GetHeight()) / 2;
}
else
{
double scale = (double)rect.height / m_valueBitmap->GetHeight();
scaledBmp = wxPropertyGrid::RescaleBitmap(*m_valueBitmap, scale, scale);
yOfs = 0;
}
dc.DrawBitmap(*bmp,rect.x,rect.y);
dc.DrawBitmap(scaledBmp,rect.x, rect.y + yOfs);
}
const wxPGEditor* wxPGProperty::DoGetEditorClass() const
@@ -2160,7 +2185,6 @@ bool wxPGProperty::RecreateEditor()
void wxPGProperty::SetValueImage( wxBitmap& bmp )
{
// We need PG to obtain default image size
wxCHECK_RET( GetGrid(),
wxS("Cannot set image for detached property") );
@@ -2168,20 +2192,7 @@ void wxPGProperty::SetValueImage( wxBitmap& bmp )
if ( bmp.IsOk() )
{
// Resize the image
wxSize maxSz = GetGrid()->GetImageSize();
wxSize imSz = bmp.GetSize();
if ( imSz.y != maxSz.y )
{
double scaleY = (double)maxSz.y / (double)imSz.y;
m_valueBitmap = new wxBitmap(wxPropertyGrid::RescaleBitmap(bmp, scaleY, scaleY));
}
else
{
m_valueBitmap = new wxBitmap(bmp);
}
m_valueBitmap = new wxBitmap(bmp);
m_flags |= wxPG_PROP_CUSTOMIMAGE;
}
else