#include "wx/gdicmn.h"
#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
#include <gdk/gdkprivate.h>
//-----------------------------------------------------------------------------
class wxColourRefData: public wxObjectRefData
{
- public:
-
+public:
wxColourRefData();
~wxColourRefData();
+
void FreeColour();
+ void AllocColour( GdkColormap* cmap );
+public:
GdkColor m_color;
GdkColormap *m_colormap;
bool m_hasPixel;
- friend wxColour;
+ friend class wxColour;
+
+ // reference counter for systems with <= 8-Bit display
+ static gushort 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,
+ 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,
+ 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,
+ 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,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
wxColourRefData::wxColourRefData()
void wxColourRefData::FreeColour()
{
-// if (m_hasPixel) gdk_colors_free( m_colormap, &m_color, 1, 0 );
+ if (m_colormap)
+ {
+#ifdef __WXGTK20__
+ if ((m_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (m_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
+#else
+ GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) m_colormap;
+ if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
+#endif
+ {
+ int idx = m_color.pixel;
+ colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] - 1;
+
+ if (colMapAllocCounter[ idx ] == 0)
+ gdk_colormap_free_colors( m_colormap, &m_color, 1 );
+ }
+ }
+}
+
+void wxColourRefData::AllocColour( GdkColormap *cmap )
+{
+ if (m_hasPixel && (m_colormap == cmap))
+ return;
+
+ FreeColour();
+
+#ifdef __WXGTK20__
+ if ((m_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (m_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
+#else
+ GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
+ if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
+#endif
+ {
+ m_hasPixel = gdk_colormap_alloc_color( cmap, &m_color, FALSE, TRUE );
+ int idx = m_color.pixel;
+ colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] + 1;
+ }
+ else
+ {
+ m_hasPixel = gdk_color_alloc( cmap, &m_color );
+ }
+ m_colormap = cmap;
}
//-----------------------------------------------------------------------------
m_refData = new wxColourRefData();
if (!gdk_color_parse( colourName.mb_str(), &M_COLDATA->m_color ))
{
- wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
- wxPrintf( wxT("Colourname %s.\n"), WXSTRINGCAST colourName );
-
+ // 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;
}
bool wxColour::operator == ( const wxColour& col ) const
{
if (m_refData == col.m_refData) return TRUE;
-
+
if (!m_refData) return FALSE;
if (!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;
}
bool wxColour::operator != ( const wxColour& col) const
{
- return m_refData != col.m_refData;
+ return !(*this == col);
}
void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
{
if (!Ok()) return;
- if ((M_COLDATA->m_hasPixel) && (M_COLDATA->m_colormap == cmap)) return;
-
- M_COLDATA->FreeColour();
-
- GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
- if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
- {
- GdkColor *colors = cmap->colors;
- int max = 3 * (65536);
- int index = -1;
-
- for (int i = 0; i < cmap->size; i++)
- {
- int rdiff = (M_COLDATA->m_color.red - colors[i].red);
- int gdiff = (M_COLDATA->m_color.green - colors[i].green);
- int bdiff = (M_COLDATA->m_color.blue - colors[i].blue);
- int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
- if (sum < max) { index = i; max = sum; }
- }
-
- M_COLDATA->m_hasPixel = TRUE;
- M_COLDATA->m_color.pixel = index;
- }
- else
- {
- M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color );
- }
-
- M_COLDATA->m_colormap = cmap;
+ M_COLDATA->AllocColour( cmap );
}
int wxColour::GetPixel() const
projects / wxWidgets.git / blobdiff