X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/58c837a4e67c0996134cc0947691dc09c5f26687..dcac15653e29a387633b59479049069f0faf43f9:/src/gtk/colour.cpp diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp index db73e73343..ebb55bb7b0 100644 --- a/src/gtk/colour.cpp +++ b/src/gtk/colour.cpp @@ -8,13 +8,19 @@ ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "colour.h" #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/gdicmn.h" +#include "wx/colour.h" +#include "wx/gtk/private.h" #include +#include #include //----------------------------------------------------------------------------- @@ -23,51 +29,128 @@ class wxColourRefData: public wxObjectRefData { - public: +public: + wxColourRefData() + { + m_color.red = 0; + m_color.green = 0; + m_color.blue = 0; + m_color.pixel = 0; + m_colormap = (GdkColormap *) NULL; + m_hasPixel = false; + } + + wxColourRefData(const wxColourRefData& data) + : wxObjectRefData() + { + m_color = data.m_color; + m_colormap = data.m_colormap; + m_hasPixel = data.m_hasPixel; + } + + ~wxColourRefData() + { + FreeColour(); + } + + bool operator == (const wxColourRefData& data) const + { + return (m_colormap == data.m_colormap && + m_hasPixel == data.m_hasPixel && + m_color.red == data.m_color.red && + m_color.green == data.m_color.green && + m_color.blue == data.m_color.blue && + m_color.pixel == data.m_color.pixel); + } - wxColourRefData(); - ~wxColourRefData(); void FreeColour(); + void AllocColour( GdkColormap* cmap ); 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 ]; }; -wxColourRefData::wxColourRefData() +gushort wxColourRefData::colMapAllocCounter[ 256 ] = { - m_color.red = 0; - m_color.green = 0; - m_color.blue = 0; - m_color.pixel = 0; - m_colormap = (GdkColormap *) NULL; - m_hasPixel = FALSE; -} + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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() { - FreeColour(); + 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::FreeColour() +void wxColourRefData::AllocColour( GdkColormap *cmap ) { -// if (m_hasPixel) gdk_colors_free( m_colormap, &m_color, 1, 0 ); + if (m_hasPixel && (m_colormap == cmap)) + return; + + FreeColour(); + +#ifdef __WXGTK20__ + if ( (cmap->visual->type == GDK_VISUAL_GRAYSCALE) || + (cmap->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; } //----------------------------------------------------------------------------- #define M_COLDATA ((wxColourRefData *)m_refData) -#define SHIFT (8*(sizeof(short int)-sizeof(char))) +// GDK's values are in 0..65535 range, our are in 0..255 +#define SHIFT 8 IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject) -wxColour::wxColour() -{ -} - wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue ) { m_refData = new wxColourRefData(); @@ -77,73 +160,87 @@ 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 ) { - wxNode *node = (wxNode *) NULL; - if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) ) + // check the cache first + wxColour col; + if ( wxTheColourDatabase ) { - wxColour *col = (wxColour*)node->Data(); - UnRef(); - if (col) Ref( *col ); + col = wxTheColourDatabase->Find(colourName); } - else + + if ( !col.Ok() ) { - m_refData = new wxColourRefData(); - if (!gdk_color_parse( colourName.mb_str(), &M_COLDATA->m_color )) - { - wxFAIL_MSG( wxT("wxColour: couldn't find colour") ); - - delete m_refData; - m_refData = (wxObjectRefData *) NULL; - } + col = CreateByName(colourName); } -} -wxColour::wxColour( const wxColour& col ) -{ - Ref( col ); + if ( col.Ok() ) + { + *this = col; + } + else + { + wxFAIL_MSG( wxT("wxColour: couldn't find colour") ); + } } wxColour::~wxColour() { } -wxColour& wxColour::operator = ( const wxColour& col ) -{ - if (*this == col) return (*this); - Ref( col ); - return *this; -} - 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; - + if (m_refData == col.m_refData) + return true; + + 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 +{ + return new wxColourRefData; } -bool wxColour::operator != ( const wxColour& col) const +wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const { - return m_refData != col.m_refData; + return new wxColourRefData(*(wxColourRefData *)data); } void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue ) { - UnRef(); - m_refData = new wxColourRefData(); + 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; } unsigned char wxColour::Red() const @@ -167,45 +264,11 @@ unsigned char wxColour::Blue() const return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT); } -bool wxColour::Ok() const -{ - return (m_refData != NULL); -} - void wxColour::CalcPixel( GdkColormap *cmap ) { 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