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Use wxArtProvider bitmaps to demonstrate wxEnumProperty with bitmaps in propgrid sample.

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Use predefined bitmaps instead of drawing custom ones.
This commit is contained in:
Artur Wieczorek
2015-06-28 19:20:33 +02:00
parent 055fa773bf
commit 1fce152d3c
1 changed files with 38 additions and 25 deletions
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63
samples/propgrid/propgrid.cpp
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@@ -1175,6 +1175,35 @@ void FormMain::PopulateWithStandardItems ()
// -----------------------------------------------------------------------
// Helper procedure to rescale bitmaps
static void RescaleBitmap(const wxBitmap& srcBmp, wxBitmap& dstBmp)
{
// Source bitmap should rescaled to the size of target bitmap.
if ( srcBmp.GetSize() != dstBmp.GetSize() )
{
#if wxUSE_IMAGE
// Use high-quality wxImage scaling functions
wxImage img = srcBmp.ConvertToImage();
img.Rescale(dstBmp.GetWidth(), dstBmp.GetHeight(), wxIMAGE_QUALITY_HIGH);
dstBmp = img;
#else
// Old method of scaling the image
double scaleX = (double)dstBmp.GetWidth() / (double)srcBmp.GetWidth();
double scaleY = (double)dstBmp.GetHeight() / (double)srcBmp.GetHeight();
dstBmp.UseAlpha(srcBmp.HasAlpha());
{
wxMemoryDC dc(dstBmp);
dc.SetUserScale(scaleX, scaleY);
dc.DrawBitmap(srcBmp, 0, 0);
}
#endif
}
else
{
dstBmp = srcBmp;
}
}
void FormMain::PopulateWithExamples ()
{
wxPropertyGridManager* pgman = m_pPropGridManager;
@@ -1550,34 +1579,18 @@ void FormMain::PopulateWithExamples ()
//
// Test adding variable height bitmaps in wxPGChoices
wxPGChoices bc;
wxBitmap smallBmp(16, 16);
{
wxMemoryDC dc(smallBmp);
dc.SetBackground(*wxYELLOW);
dc.Clear();
dc.SetPen(*wxBLUE);
dc.SetBrush(*wxBLUE);
dc.DrawCircle(8, 8, 4);
}
wxBitmap bmp = wxArtProvider::GetBitmap(wxART_CDROM);
RescaleBitmap(bmp, smallBmp);
wxBitmap mediumBmp(32, 32);
{
wxMemoryDC dc(mediumBmp);
dc.SetBackground(*wxGREEN);
dc.Clear();
dc.SetPen(*wxBLUE);
dc.SetBrush(*wxBLUE);
dc.DrawRectangle(7, 7, 18, 18);
}
bmp = wxArtProvider::GetBitmap(wxART_FLOPPY);
RescaleBitmap(bmp, mediumBmp);
wxBitmap largeBmp(64, 64);
{
wxMemoryDC dc(largeBmp);
dc.SetBackground(*wxCYAN);
dc.Clear();
dc.SetPen(*wxLIGHT_GREY);
dc.SetBrush(*wxLIGHT_GREY);
dc.DrawEllipse(12, 22, 40, 20);
}
bmp = wxArtProvider::GetBitmap(wxART_HARDDISK);
RescaleBitmap(bmp, largeBmp);
bc.Add(wxT("Wee"), smallBmp);
bc.Add(wxT("Not so wee"), mediumBmp);
bc.Add(wxT("Friggin' huge"), largeBmp);