X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c67daf87774c71ae9f73af9969008af220e52a11..64ea838d8f4d1853b7d850db93ee565e901d099a:/src/gtk1/colour.cpp diff --git a/src/gtk1/colour.cpp b/src/gtk1/colour.cpp index f9d2fa62a2..2057133fe5 100644 --- a/src/gtk1/colour.cpp +++ b/src/gtk1/colour.cpp @@ -1,227 +1,238 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: colour.cpp +// Name: src/gtk1/colour.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#ifdef __GNUG__ -#pragma implementation "colour.h" +#include "wx/colour.h" + +#ifndef WX_PRECOMP + #include "wx/gdicmn.h" #endif -#include "wx/gdicmn.h" +#include "wx/gtk1/private.h" -#ifdef USE_GDK_IMLIB -#include "../gdk_imlib/gdk_imlib.h" -#endif +#include +#include +#include //----------------------------------------------------------------------------- // wxColour //----------------------------------------------------------------------------- -class wxColourRefData: public wxObjectRefData +class wxColourRefData : public wxGDIRefData { - public: - - wxColourRefData(void); - ~wxColourRefData(void); - void FreeColour(void); - +public: + wxColourRefData() + { + m_color.red = 0; + m_color.green = 0; + m_color.blue = 0; + m_color.pixel = 0; + m_colormap = NULL; + m_hasPixel = false; + } + + wxColourRefData(const wxColourRefData& data) + { + m_color = data.m_color; + m_colormap = data.m_colormap; + m_hasPixel = data.m_hasPixel; + } + + virtual ~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); + } + + 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(void) -{ - m_color.red = 0; - m_color.green = 0; - m_color.blue = 0; - m_color.pixel = 0; - m_colormap = (GdkColormap *) NULL; - m_hasPixel = FALSE; -} +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) +void wxColourRefData::FreeColour() { - FreeColour(); + if (m_colormap) + { + GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) m_colormap; + if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) || + (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR)) + { + 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) +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(); + + GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap; + if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) || + (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR)) + { + 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))) - -IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject) +// GDK's values are in 0..65535 range, our are in 0..255 +#define SHIFT 8 -wxColour::wxColour(void) +wxColour::~wxColour() { } -wxColour::wxColour( char red, char green, char blue ) +bool wxColour::operator == ( const wxColour& col ) const { - m_refData = new wxColourRefData(); - 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; -} - -wxColour::wxColour( const wxString &colourName ) -{ - wxNode *node = (wxNode *) NULL; - if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) ) - { - wxColour *col = (wxColour*)node->Data(); - UnRef(); - if (col) Ref( *col ); - } - else - { - m_refData = new wxColourRefData(); - if (!gdk_color_parse( colourName, &M_COLDATA->m_color )) - { - wxFAIL_MSG( "wxColour: couldn't find colour" ); - delete m_refData; - m_refData = (wxObjectRefData *) NULL; - } - } -} + if (m_refData == col.m_refData) + return true; -wxColour::wxColour( const wxColour& col ) -{ - Ref( col ); -} + if (!m_refData || !col.m_refData) + return false; -wxColour::wxColour( const wxColour* col ) -{ - if (col) Ref( *col ); + GdkColor *own = &(((wxColourRefData*)m_refData)->m_color); + GdkColor *other = &(((wxColourRefData*)col.m_refData)->m_color); + return own->red == other->red && + own->blue == other->blue && + own->green == other->green; } -wxColour::~wxColour(void) +wxGDIRefData *wxColour::CreateGDIRefData() const { + return new wxColourRefData; } -wxColour& wxColour::operator = ( const wxColour& col ) -{ - if (*this == col) return (*this); - Ref( col ); - return *this; +wxGDIRefData *wxColour::CloneGDIRefData(const wxGDIRefData *data) const +{ + return new wxColourRefData(*(wxColourRefData *)data); } -wxColour& wxColour::operator = ( const wxString& colourName ) -{ - UnRef(); - wxNode *node = (wxNode *) NULL; - if ((wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) ) - { - wxColour *col = (wxColour*)node->Data(); - if (col) Ref( *col ); - } - else - { - m_refData = new wxColourRefData(); - if (!gdk_color_parse( colourName, &M_COLDATA->m_color )) - { - wxFAIL_MSG( "wxColour: couldn't find colour" ); - delete m_refData; - m_refData = (wxObjectRefData *) NULL; - } - } - return *this; -} +void wxColour::InitRGBA(unsigned char red, unsigned char green, unsigned char blue, + unsigned char WXUNUSED(alpha)) +{ + AllocExclusive(); -bool wxColour::operator == ( const wxColour& col ) -{ - return m_refData == col.m_refData; -} + 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; -bool wxColour::operator != ( const wxColour& col) -{ - return m_refData != col.m_refData; + M_COLDATA->m_colormap = NULL; + M_COLDATA->m_hasPixel = false; } -void wxColour::Set( const unsigned char red, const unsigned char green, const unsigned char blue ) +unsigned char wxColour::Red() const { - UnRef(); - m_refData = new wxColourRefData(); - 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; -} + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); -unsigned char wxColour::Red(void) const -{ - if (!Ok()) return 0; - return (unsigned char)(M_COLDATA->m_color.red >> SHIFT); + return (unsigned char)(M_COLDATA->m_color.red >> SHIFT); } -unsigned char wxColour::Green(void) const +unsigned char wxColour::Green() const { - if (!Ok()) return 0; - return (unsigned char)(M_COLDATA->m_color.green >> SHIFT); -} + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); -unsigned char wxColour::Blue(void) const -{ - if (!Ok()) return 0; - return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT); + return (unsigned char)(M_COLDATA->m_color.green >> SHIFT); } -bool wxColour::Ok(void) const +unsigned char wxColour::Blue() const { - return (m_refData); + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); + + return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT); } void wxColour::CalcPixel( GdkColormap *cmap ) { - if (!Ok()) return; - - if ((M_COLDATA->m_hasPixel) && (M_COLDATA->m_colormap == cmap)) return; - M_COLDATA->FreeColour(); - -#ifdef USE_GDK_IMLIB + if (!IsOk()) return; - int r = M_COLDATA->m_color.red >> SHIFT; - int g = M_COLDATA->m_color.green >> SHIFT; - int b = M_COLDATA->m_color.blue >> SHIFT; - M_COLDATA->m_hasPixel = TRUE; - M_COLDATA->m_color.pixel = gdk_imlib_best_color_match( &r, &g, &b ); + M_COLDATA->AllocColour( cmap ); +} -#else +int wxColour::GetPixel() const +{ + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); - M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color ); - -#endif - - M_COLDATA->m_colormap = cmap; + return M_COLDATA->m_color.pixel; } -int wxColour::GetPixel(void) +GdkColor *wxColour::GetColor() const { - if (!Ok()) return 0; - - return M_COLDATA->m_color.pixel; + wxCHECK_MSG( IsOk(), NULL, wxT("invalid colour") ); + + return &M_COLDATA->m_color; } -GdkColor *wxColour::GetColor(void) +bool wxColour::FromString(const wxString& str) { - if (!Ok()) return (GdkColor *) NULL; - - return &M_COLDATA->m_color; -} + GdkColor colGDK; + if ( gdk_color_parse( wxGTK_CONV(str), &colGDK ) ) + { + UnRef(); + m_refData = new wxColourRefData; + M_COLDATA->m_color = colGDK; + return true; + } + return wxColourBase::FromString(str); +}