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added CreateByName(), use it in wxColourDatabase

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24212 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-10-17 17:39:28 +00:00
parent 551b5391ae
commit 4e6b83091a
5 changed files with 100 additions and 75 deletions
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80
src/gtk1/colour.cpp
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@@ -39,7 +39,7 @@ public:
m_colormap = (GdkColormap *) NULL;
m_hasPixel = FALSE;
}
wxColourRefData(const wxColourRefData& data)
: wxObjectRefData()
{
@@ -62,7 +62,7 @@ public:
m_color.blue == data.m_color.blue &&
m_color.pixel == data.m_color.pixel);
}
void FreeColour();
void AllocColour( GdkColormap* cmap );
@@ -76,8 +76,8 @@ public:
static gushort colMapAllocCounter[ 256 ];
};
gushort wxColourRefData::colMapAllocCounter[ 256 ] =
{
gushort wxColourRefData::colMapAllocCounter[ 256 ] =
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -108,7 +108,7 @@ void wxColourRefData::FreeColour()
{
int idx = m_color.pixel;
colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] - 1;
if (colMapAllocCounter[ idx ] == 0)
gdk_colormap_free_colors( m_colormap, &m_color, 1 );
}
@@ -121,7 +121,7 @@ void wxColourRefData::AllocColour( GdkColormap *cmap )
return;
FreeColour();
#ifdef __WXGTK20__
if ( (cmap->visual->type == GDK_VISUAL_GRAYSCALE) ||
(cmap->visual->type == GDK_VISUAL_PSEUDO_COLOR) )
@@ -159,34 +159,44 @@ wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue )
M_COLDATA->m_color.pixel = 0;
}
/* static */
wxColour wxColour::CreateByName(const wxString& name)
{
wxColour col;
GdkColor colGDK;
if ( gdk_color_parse( wxGTK_CONV( name ), &colGDK ) )
{
wxColourRefData *refData = new wxColourRefData;
refData->m_color = colGDK;
col.m_refData = refData;
}
return col;
}
void wxColour::InitFromName( const wxString &colourName )
{
wxColour* col = NULL;
if ( (wxTheColourDatabase) && (col = wxTheColourDatabase->FindColourNoAdd(colourName)) )
// check the cache first
wxColour col;
if ( wxTheColourDatabase )
{
UnRef();
if (col) Ref( *col );
col = wxTheColourDatabase->Find(colourName);
}
if ( !col.Ok() )
{
col = CreateByName(colourName);
}
if ( col.Ok() )
{
*this = col;
}
else
{
m_refData = new wxColourRefData();
if (!gdk_color_parse( wxGTK_CONV( colourName ), &M_COLDATA->m_color ))
{
// VZ: asserts are good in general but this one is triggered by
// calling wxColourDatabase::FindColour() with an
// unrecognized colour name and this can't be avoided from the
// user code, so don't give it here
//
// a better solution would be to changed code in FindColour()
//wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
delete m_refData;
m_refData = (wxObjectRefData *) NULL;
}
wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
}
}
@@ -196,17 +206,17 @@ wxColour::~wxColour()
bool wxColour::operator == ( const wxColour& col ) const
{
if (m_refData == col.m_refData) return TRUE;
if (m_refData == col.m_refData)
return TRUE;
if (!m_refData || !col.m_refData) return FALSE;
if (!m_refData || !col.m_refData)
return FALSE;
GdkColor *own = &(((wxColourRefData*)m_refData)->m_color);
GdkColor *other = &(((wxColourRefData*)col.m_refData)->m_color);
if (own->red != other->red) return FALSE;
if (own->blue != other->blue) return FALSE;
if (own->green != other->green) return FALSE;
return TRUE;
return own->red == other->red &&
own->blue == other->blue &&
own->green == other->green;
}
wxObjectRefData *wxColour::CreateRefData() const
@@ -222,12 +232,12 @@ wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const
void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
{
AllocExclusive();
M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
M_COLDATA->m_color.pixel = 0;
M_COLDATA->m_colormap = (GdkColormap*) NULL;
M_COLDATA->m_hasPixel = FALSE;
}