X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ffb5937e89927b621128789401db8921fe580f..059d234d4176165d975048eaa5436ef40af7d037:/src/gtk/colour.cpp diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp index d8176b0b6c..6a226d4d0b 100644 --- a/src/gtk/colour.cpp +++ b/src/gtk/colour.cpp @@ -1,203 +1,98 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: colour.cpp +// Name: src/gtk/colour.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWidgets licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - -#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 //----------------------------------------------------------------------------- // wxColour //----------------------------------------------------------------------------- -class wxColourRefData: public wxObjectRefData +class wxColourRefData : public wxGDIRefData { public: - wxColourRefData() + wxColourRefData(guint16 red, guint16 green, guint16 blue, wxByte alpha = 0xff) { - m_color.red = 0; - m_color.green = 0; - m_color.blue = 0; + 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 = (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; + m_colormap = NULL; } - ~wxColourRefData() + 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 class wxColour; - - // reference counter for systems with <= 8-Bit display - static gushort colMapAllocCounter[ 256 ]; -}; + // 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; + wxByte m_alpha; -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 + wxDECLARE_NO_COPY_CLASS(wxColourRefData); }; void wxColourRefData::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 ); - } + gdk_colormap_free_colors(m_colormap, &m_color, 1); + m_colormap = NULL; + m_color.pixel = 0; } } void wxColourRefData::AllocColour( GdkColormap *cmap ) { - 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 + if (m_colormap != cmap) { - m_hasPixel = gdk_color_alloc( cmap, &m_color ); + 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; + } } - m_colormap = cmap; } //----------------------------------------------------------------------------- -#define M_COLDATA ((wxColourRefData *)m_refData) +#define M_COLDATA static_cast(m_refData) -#define SHIFT (8*(sizeof(short int)-sizeof(char))) +// GDK's values are in 0..65535 range, ours are in 0..255 +#define SHIFT 8 IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject) -wxColour::wxColour( unsigned char red, unsigned char green, unsigned 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; -} - -/* 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 ) -{ - // check the cache first - wxColour col; - if ( wxTheColourDatabase ) - { - col = wxTheColourDatabase->Find(colourName); - } - - if ( !col.Ok() ) - { - col = CreateByName(colourName); - } - - if ( col.Ok() ) - { - *this = col; - } - else - { - wxFAIL_MSG( wxT("wxColour: couldn't find colour") ); - } + m_refData = new wxColourRefData(gdkColor.red, gdkColor.green, gdkColor.blue); } wxColour::~wxColour() @@ -212,55 +107,52 @@ bool wxColour::operator == ( const wxColour& col ) const if (!m_refData || !col.m_refData) return false; - 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; + wxColourRefData* refData = M_COLDATA; + wxColourRefData* that_refData = static_cast(col.m_refData); + return refData->m_red == that_refData->m_red && + refData->m_green == that_refData->m_green && + refData->m_blue == that_refData->m_blue && + refData->m_alpha == that_refData->m_alpha; } -wxObjectRefData *wxColour::CreateRefData() const +void wxColour::InitRGBA(unsigned char red, unsigned char green, unsigned char blue, + unsigned char alpha) { - return new wxColourRefData; -} + UnRef(); -wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const -{ - return new wxColourRefData(*(wxColourRefData *)data); + m_refData = new wxColourRefData( + (guint16(red) << SHIFT) + red, + (guint16(green) << SHIFT) + green, + (guint16(blue) << SHIFT) + blue, + alpha); } -void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue ) +unsigned char wxColour::Red() const { - 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; + wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - M_COLDATA->m_colormap = (GdkColormap*) NULL; - M_COLDATA->m_hasPixel = false; + return wxByte(M_COLDATA->m_red >> SHIFT); } -unsigned char wxColour::Red() const +unsigned char wxColour::Green() const { wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - return (unsigned char)(M_COLDATA->m_color.red >> SHIFT); + return wxByte(M_COLDATA->m_green >> SHIFT); } -unsigned char wxColour::Green() const +unsigned char wxColour::Blue() const { wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - return (unsigned char)(M_COLDATA->m_color.green >> SHIFT); + return wxByte(M_COLDATA->m_blue >> SHIFT); } -unsigned char wxColour::Blue() const +unsigned char wxColour::Alpha() const { wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT); + return M_COLDATA->m_alpha; } void wxColour::CalcPixel( GdkColormap *cmap ) @@ -277,11 +169,21 @@ int wxColour::GetPixel() const return M_COLDATA->m_color.pixel; } -GdkColor *wxColour::GetColor() const +const GdkColor *wxColour::GetColor() const { - wxCHECK_MSG( Ok(), (GdkColor *) NULL, wxT("invalid colour") ); + wxCHECK_MSG( Ok(), NULL, wxT("invalid colour") ); return &M_COLDATA->m_color; } +bool wxColour::FromString(const wxString& str) +{ + GdkColor colGDK; + if ( gdk_color_parse( wxGTK_CONV_SYS( str ), &colGDK ) ) + { + *this = wxColour(colGDK); + return true; + } + return wxColourBase::FromString(str); +}