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support masked or partially transparent windows in wxqt

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This commit is contained in:
Sean D'Epagnier
2016-08-26 03:56:44 -04:00
committed by Vadim Zeitlin
parent 35bc8f449b
commit 1cb7120ac9
6 changed files with 152 additions and 3 deletions
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34
src/qt/region.cpp
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@@ -15,6 +15,7 @@
#include <QtGui/QRegion>
#include <QtGui/QBitmap>
#include <QtGui/QPainter>
class wxRegionRefData: public wxGDIRefData
{
@@ -34,7 +35,7 @@ class wxRegionRefData: public wxGDIRefData
wxRegionRefData( QPolygon p, Qt::FillRule fr ) : m_qtRegion( p, fr )
{
}
wxRegionRefData( const wxRegionRefData& data )
: wxGDIRefData()
{
@@ -93,9 +94,36 @@ wxRegion::wxRegion(const wxBitmap& bmp)
m_refData = new wxRegionRefData( QRect( 0, 0, bmp.GetWidth(), bmp.GetHeight() ) );
}
wxRegion::wxRegion(const wxBitmap& WXUNUSED(bmp), const wxColour& WXUNUSED(transp), int WXUNUSED(tolerance))
wxRegion::wxRegion(const wxBitmap& bmp, const wxColour& transp, int tolerance)
{
wxMISSING_IMPLEMENTATION( __FUNCTION__ );
if(!bmp.GetHandle()) {
m_refData = new wxRegionRefData();
return;
}
if(tolerance == 0) {
m_refData = new wxRegionRefData(bmp.GetHandle()->createMaskFromColor(transp.GetQColor()));
return;
}
unsigned char raw[bmp.GetWidth()*bmp.GetHeight()];
memset(raw, 0, bmp.GetWidth()*bmp.GetHeight());
QImage img(bmp.GetHandle()->toImage());
int r = transp.Red(), g = transp.Green(), b = transp.Blue();
for(int y=0; y<img.height(); y++) {
for(int x=0; x<img.width(); x++) {
QColor c = img.pixel(x, y);
if(abs(c.red() - r) > tolerance ||
abs(c.green() - g) > tolerance ||
abs(c.blue() - b) > tolerance) {
int ind = y*img.width()+x;
raw[ind>>3] |= 1<<(ind&7);
}
}
}
m_refData = new wxRegionRefData(QBitmap::fromData(bmp.GetHandle()->size(), raw));
}
bool wxRegion::IsEmpty() const