X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/47d67540a017101b3e46abe9ef0f55914d8de37e..63e1921d0be4956ab729735189ccf637773a7e27:/src/gtk/colour.cpp diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp index 13f981ebf2..a0e20540e4 100644 --- a/src/gtk/colour.cpp +++ b/src/gtk/colour.cpp @@ -1,242 +1,280 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: colour.cpp +// Name: src/gtk/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" -#endif - -#include "wx/gdicmn.h" +#include "wx/colour.h" -#ifdef wxUSE_GDK_IMLIB -#include "../gdk_imlib/gdk_imlib.h" -#endif +#include +#include "wx/gtk/private.h" //----------------------------------------------------------------------------- // wxColour //----------------------------------------------------------------------------- -class wxColourRefData: public wxObjectRefData +class wxColourRefData : public wxGDIRefData { - public: - - wxColourRefData(void); - ~wxColourRefData(void); - void FreeColour(void); - +public: +#ifdef __WXGTK3__ + wxColourRefData(const GdkRGBA& gdkRGBA) + : m_gdkRGBA(gdkRGBA) + { + m_gdkColor.red = guint16(gdkRGBA.red * 65535); + m_gdkColor.green = guint16(gdkRGBA.green * 65535); + m_gdkColor.blue = guint16(gdkRGBA.blue * 65535); + m_alpha = wxByte(gdkRGBA.alpha * 255 + 0.5); + } + wxColourRefData(const GdkColor& gdkColor) + : m_gdkColor(gdkColor) + { + m_gdkRGBA.red = gdkColor.red / 65535.0; + m_gdkRGBA.green = gdkColor.green / 65535.0; + m_gdkRGBA.blue = gdkColor.blue / 65535.0; + m_gdkRGBA.alpha = 1; + m_alpha = 255; + } + wxColourRefData(guchar red, guchar green, guchar blue, guchar alpha) + { + m_gdkRGBA.red = red / 255.0; + m_gdkRGBA.green = green / 255.0; + m_gdkRGBA.blue = blue / 255.0; + m_gdkRGBA.alpha = alpha / 255.0; + m_gdkColor.red = (guint16(red) << 8) + red; + m_gdkColor.green = (guint16(green) << 8) + green; + m_gdkColor.blue = (guint16(blue) << 8) + blue; + m_alpha = alpha; + } + GdkRGBA m_gdkRGBA; + GdkColor m_gdkColor; +#else + wxColourRefData(guint16 red, guint16 green, guint16 blue, wxByte alpha = 0xff) + { + m_color.red = + m_red = red; + m_color.green = + m_green = green; + m_color.blue = + m_blue = blue; + m_alpha = alpha; + m_color.pixel = 0; + m_colormap = NULL; + } + + virtual ~wxColourRefData() + { + FreeColour(); + } + + void FreeColour(); + void AllocColour( GdkColormap* cmap ); + GdkColor m_color; GdkColormap *m_colormap; - bool m_hasPixel; - - friend wxColour; -}; + // gdk_colormap_alloc_color may change the RGB values in m_color, so we need separate copies + guint16 m_red; + guint16 m_green; + guint16 m_blue; +#endif + wxByte m_alpha; -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; -} + wxDECLARE_NO_COPY_CLASS(wxColourRefData); +}; -wxColourRefData::~wxColourRefData(void) +#ifndef __WXGTK3__ +void wxColourRefData::FreeColour() { - FreeColour(); + if (m_colormap) + { + gdk_colormap_free_colors(m_colormap, &m_color, 1); + m_colormap = NULL; + m_color.pixel = 0; + } } -void wxColourRefData::FreeColour(void) +void wxColourRefData::AllocColour( GdkColormap *cmap ) { -// if (m_hasPixel) gdk_colors_free( m_colormap, &m_color, 1, 0 ); + if (m_colormap != cmap) + { + FreeColour(); + + m_color.red = m_red; + m_color.green = m_green; + m_color.blue = m_blue; + if (gdk_colormap_alloc_color(cmap, &m_color, FALSE, TRUE)) + { + m_colormap = cmap; + } + } } +#endif //----------------------------------------------------------------------------- -#define M_COLDATA ((wxColourRefData *)m_refData) - -#define SHIFT (8*(sizeof(short int)-sizeof(char))) +#define M_COLDATA static_cast(m_refData) -IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject) +// GDK's values are in 0..65535 range, ours are in 0..255 +#define SHIFT 8 -wxColour::wxColour(void) +#ifdef __WXGTK3__ +wxColour::wxColour(const GdkRGBA& gdkRGBA) { + m_refData = new wxColourRefData(gdkRGBA); } -wxColour::wxColour( char red, char green, char blue ) +wxColour::wxColour(const GdkColor& gdkColor) { - 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; + m_refData = new wxColourRefData(gdkColor); } - -wxColour::wxColour( const wxString &colourName ) +#else +wxColour::wxColour(const GdkColor& gdkColor) { - 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; - } - } -} - -wxColour::wxColour( const wxColour& col ) -{ - Ref( col ); + m_refData = new wxColourRefData(gdkColor.red, gdkColor.green, gdkColor.blue); } +#endif -wxColour::wxColour( const wxColour* col ) -{ - if (col) Ref( *col ); +wxColour::~wxColour() +{ } -wxColour::~wxColour(void) +bool wxColour::operator == ( const wxColour& col ) const { + if (m_refData == col.m_refData) + return true; + + if (!m_refData || !col.m_refData) + return false; + + wxColourRefData* refData = M_COLDATA; + wxColourRefData* that_refData = static_cast(col.m_refData); +#ifdef __WXGTK3__ + return refData->m_gdkColor.red == that_refData->m_gdkColor.red && + refData->m_gdkColor.green == that_refData->m_gdkColor.green && + refData->m_gdkColor.blue == that_refData->m_gdkColor.blue && +#else + return refData->m_red == that_refData->m_red && + refData->m_green == that_refData->m_green && + refData->m_blue == that_refData->m_blue && +#endif + refData->m_alpha == that_refData->m_alpha; } -wxColour& wxColour::operator = ( const wxColour& col ) -{ - if (*this == col) return (*this); - Ref( col ); - return *this; -} +void wxColour::InitRGBA(unsigned char red, unsigned char green, unsigned char blue, + unsigned char alpha) +{ + UnRef(); -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; +#ifdef __WXGTK3__ + m_refData = new wxColourRefData(red, green, blue, alpha); +#else + m_refData = new wxColourRefData( + (guint16(red) << SHIFT) + red, + (guint16(green) << SHIFT) + green, + (guint16(blue) << SHIFT) + blue, + alpha); +#endif } -bool wxColour::operator == ( const wxColour& col ) -{ - return m_refData == col.m_refData; -} +unsigned char wxColour::Red() const +{ + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); -bool wxColour::operator != ( const wxColour& col) -{ - return m_refData != col.m_refData; +#ifdef __WXGTK3__ + return wxByte(M_COLDATA->m_gdkColor.red >> 8); +#else + return wxByte(M_COLDATA->m_red >> SHIFT); +#endif } -void wxColour::Set( const unsigned char red, const unsigned char green, const unsigned char blue ) +unsigned char wxColour::Green() 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") ); + +#ifdef __WXGTK3__ + return wxByte(M_COLDATA->m_gdkColor.green >> 8); +#else + return wxByte(M_COLDATA->m_green >> SHIFT); +#endif } -unsigned char wxColour::Red(void) const +unsigned char wxColour::Blue() const { - if (!Ok()) - { - wxFAIL_MSG( "invalid colour" ); - return 0; - } - - return (unsigned char)(M_COLDATA->m_color.red >> SHIFT); + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); + +#ifdef __WXGTK3__ + return wxByte(M_COLDATA->m_gdkColor.blue >> 8); +#else + return wxByte(M_COLDATA->m_blue >> SHIFT); +#endif } -unsigned char wxColour::Green(void) const +unsigned char wxColour::Alpha() const { - if (!Ok()) - { - wxFAIL_MSG( "invalid colour" ); - return 0; - } - - return (unsigned char)(M_COLDATA->m_color.green >> SHIFT); + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); + + return M_COLDATA->m_alpha; } -unsigned char wxColour::Blue(void) const +#ifndef __WXGTK3__ +void wxColour::CalcPixel( GdkColormap *cmap ) { - if (!Ok()) - { - wxFAIL_MSG( "invalid colour" ); - return 0; - } - - return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT); + if (!IsOk()) return; + + M_COLDATA->AllocColour( cmap ); } -bool wxColour::Ok(void) const +int wxColour::GetPixel() const { - return (m_refData != NULL); + wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") ); + + return M_COLDATA->m_color.pixel; } +#endif -void wxColour::CalcPixel( GdkColormap *cmap ) +const GdkColor *wxColour::GetColor() const { - if (!Ok()) return; - - if ((M_COLDATA->m_hasPixel) && (M_COLDATA->m_colormap == cmap)) return; - M_COLDATA->FreeColour(); - -#ifdef wxUSE_GDK_IMLIB - - 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 ); + wxCHECK_MSG( IsOk(), NULL, wxT("invalid colour") ); +#ifdef __WXGTK3__ + return &M_COLDATA->m_gdkColor; #else - - M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color ); - + return &M_COLDATA->m_color; #endif - - M_COLDATA->m_colormap = cmap; } -int wxColour::GetPixel(void) +#ifdef __WXGTK3__ +wxColour::operator const GdkRGBA*() const { - if (!Ok()) return 0; - - return M_COLDATA->m_color.pixel; + const GdkRGBA* c = NULL; + if (IsOk()) + c = &M_COLDATA->m_gdkRGBA; + return c; } +#endif -GdkColor *wxColour::GetColor(void) +bool wxColour::FromString(const wxString& str) { - if (!Ok()) return (GdkColor *) NULL; - - return &M_COLDATA->m_color; -} - +#ifdef __WXGTK3__ + GdkRGBA gdkRGBA; + if (gdk_rgba_parse(&gdkRGBA, wxGTK_CONV_SYS(str))) + { + *this = wxColour(gdkRGBA); + return true; + } +#else + GdkColor colGDK; + if ( gdk_color_parse( wxGTK_CONV_SYS( str ), &colGDK ) ) + { + *this = wxColour(colGDK); + return true; + } +#endif + return wxColourBase::FromString(str); +}