X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b1d4dd7add411ebff1ce4a8d1d992e0e43ee26b1..14722c43c30918cd8fbba956b50ac3426d2fe339:/src/gtk/colour.cpp?ds=sidebyside

diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp
index 4d3b511afa..a0e20540e4 100644
--- a/src/gtk/colour.cpp
+++ b/src/gtk/colour.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        colour.cpp
+// Name:        src/gtk/colour.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -7,266 +7,274 @@
 // 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/gtk/private.h"
+#include "wx/colour.h"
 
 #include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-#include <gdk/gdkprivate.h>
+#include "wx/gtk/private.h"
 
 //-----------------------------------------------------------------------------
 // wxColour
 //-----------------------------------------------------------------------------
 
-class wxColourRefData: public wxObjectRefData
+class wxColourRefData : public wxGDIRefData
 {
 public:
-    wxColourRefData()
+#ifdef __WXGTK3__
+    wxColourRefData(const GdkRGBA& gdkRGBA)
+        : m_gdkRGBA(gdkRGBA)
     {
-        m_color.red = 0;
-        m_color.green = 0;
-        m_color.blue = 0;
-        m_color.pixel = 0;
-        m_colormap = (GdkColormap *) NULL;
-        m_hasPixel = FALSE;
+        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 wxColourRefData& data)
-        : wxObjectRefData()
+    wxColourRefData(const GdkColor& gdkColor)
+        : m_gdkColor(gdkColor)
     {
-        m_color = data.m_color;
-        m_colormap = data.m_colormap;
-        m_hasPixel = data.m_hasPixel;
+        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()
+    wxColourRefData(guchar red, guchar green, guchar blue, guchar alpha)
     {
-        FreeColour();
+        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;
     }
 
-    bool operator == (const wxColourRefData& data) const
+    virtual ~wxColourRefData()
     {
-        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);
+        FreeColour();
     }
-    
+
     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;
+#endif
+    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);
 };
 
+#ifndef __WXGTK3__
 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;
 }
+#endif
 
 //-----------------------------------------------------------------------------
 
-#define M_COLDATA ((wxColourRefData *)m_refData)
+#define M_COLDATA static_cast<wxColourRefData*>(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 )
+#ifdef __WXGTK3__
+wxColour::wxColour(const GdkRGBA& gdkRGBA)
 {
-    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(gdkRGBA);
 }
 
-void wxColour::InitFromName( const wxString &colourName )
+wxColour::wxColour(const GdkColor& gdkColor)
 {
-    wxNode *node = (wxNode *) NULL;
-    if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) )
-    {
-        wxColour *col = (wxColour*)node->GetData();
-        UnRef();
-        if (col) Ref( *col );
-    }
-    else
-    {
-        m_refData = new wxColourRefData();
-        
-        if (!gdk_color_parse( wxGTK_CONV( colourName ), &M_COLDATA->m_color ))
-        {
-            // 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;
-        }
-    }
+    m_refData = new wxColourRefData(gdkColor);
 }
-
-wxColour::~wxColour()
+#else
+wxColour::wxColour(const GdkColor& gdkColor)
 {
+    m_refData = new wxColourRefData(gdkColor.red, gdkColor.green, gdkColor.blue);
 }
+#endif
 
-bool wxColour::operator == ( const wxColour& col ) const
+wxColour::~wxColour()
 {
-    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;
 }
 
-wxObjectRefData *wxColour::CreateRefData() const
+bool wxColour::operator == ( const wxColour& col ) const
 {
-    return new wxColourRefData;
+    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<wxColourRefData*>(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;
 }
 
-wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const
+void wxColour::InitRGBA(unsigned char red, unsigned char green, unsigned char blue,
+                        unsigned char alpha)
 {
-    return new wxColourRefData(*(wxColourRefData *)data);
-}
+    UnRef();
 
-void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
-{
-    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;
+#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
 }
 
 unsigned char wxColour::Red() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
-    return (unsigned char)(M_COLDATA->m_color.red >> SHIFT);
+#ifdef __WXGTK3__
+    return wxByte(M_COLDATA->m_gdkColor.red >> 8);
+#else
+    return wxByte(M_COLDATA->m_red >> SHIFT);
+#endif
 }
 
 unsigned char wxColour::Green() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
-    return (unsigned char)(M_COLDATA->m_color.green >> SHIFT);
+#ifdef __WXGTK3__
+    return wxByte(M_COLDATA->m_gdkColor.green >> 8);
+#else
+    return wxByte(M_COLDATA->m_green >> SHIFT);
+#endif
 }
 
 unsigned char wxColour::Blue() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    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::Alpha() const
+{
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
-    return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
+    return M_COLDATA->m_alpha;
 }
 
+#ifndef __WXGTK3__
 void wxColour::CalcPixel( GdkColormap *cmap )
 {
-    if (!Ok()) return;
+    if (!IsOk()) return;
 
     M_COLDATA->AllocColour( cmap );
 }
 
 int wxColour::GetPixel() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
     return M_COLDATA->m_color.pixel;
 }
+#endif
 
-GdkColor *wxColour::GetColor() const
+const GdkColor *wxColour::GetColor() const
 {
-    wxCHECK_MSG( Ok(), (GdkColor *) NULL, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid colour") );
 
+#ifdef __WXGTK3__
+    return &M_COLDATA->m_gdkColor;
+#else
     return &M_COLDATA->m_color;
+#endif
+}
+
+#ifdef __WXGTK3__
+wxColour::operator const GdkRGBA*() const
+{
+    const GdkRGBA* c = NULL;
+    if (IsOk())
+        c = &M_COLDATA->m_gdkRGBA;
+    return c;
 }
+#endif
 
+bool wxColour::FromString(const wxString& str)
+{
+#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);
+}