X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5f11fef5435283f9d2465f7eaccdd72d2f3fb1ef..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/gtk/colour.cpp?ds=sidebyside

diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp
index d43c586444..b08a6b4ab4 100644
--- a/src/gtk/colour.cpp
+++ b/src/gtk/colour.cpp
@@ -11,6 +11,7 @@
 #include "wx/wxprec.h"
 
 #include "wx/colour.h"
+
 #include "wx/gtk/private.h"
 
 #include <gdk/gdk.h>
@@ -22,25 +23,20 @@
 class wxColourRefData: public wxObjectRefData
 {
 public:
-    wxColourRefData()
+    wxColourRefData(guint16 red, guint16 green, guint16 blue, guint16 alpha)
     {
-        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 = 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()
+    virtual ~wxColourRefData()
     {
         FreeColour();
     }
@@ -50,80 +46,53 @@ public:
 
     GdkColor     m_color;
     GdkColormap *m_colormap;
-    bool         m_hasPixel;
+    // 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;
+    guint16 m_alpha;
+
+    DECLARE_NO_COPY_CLASS(wxColourRefData)
 };
 
 void wxColourRefData::FreeColour()
 {
-    if (m_hasPixel)
+    if (m_colormap)
     {
         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();
+    if (m_colormap != cmap)
+    {
+        FreeColour();
 
-    m_hasPixel = gdk_colormap_alloc_color(cmap, &m_color, FALSE, TRUE);
-    m_colormap = cmap;
+        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;
+        }
+    }
 }
 
 //-----------------------------------------------------------------------------
 
 #define M_COLDATA wx_static_cast(wxColourRefData*, m_refData)
 
-// GDK's values are in 0..65535 range, our are in 0..255
+// 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_SYS( 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
-    if ( wxTheColourDatabase )
-    {
-        *this = wxTheColourDatabase->Find(colourName);
-    }
-
-    if ( !Ok() )
-    {
-        *this = CreateByName(colourName);
-    }
-
-    if ( !Ok() )
-    {
-        wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
-    }
+    m_refData = new wxColourRefData(gdkColor.red, gdkColor.green, gdkColor.blue, 0xFFFF /*opaque alpha in 16 bit*/);
 }
 
 wxColour::~wxColour()
@@ -138,55 +107,52 @@ bool wxColour::operator == ( const wxColour& col ) const
     if (!m_refData || !col.m_refData)
         return false;
 
-    const GdkColor& own = M_COLDATA->m_color;
-    const GdkColor& other = wx_static_cast(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 = wx_static_cast(wxColourRefData*, 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,
+        (guint16(alpha) << SHIFT) + 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 = 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 wxByte(M_COLDATA->m_alpha >> SHIFT);
 }
 
 void wxColour::CalcPixel( GdkColormap *cmap )
@@ -203,9 +169,21 @@ int wxColour::GetPixel() const
     return M_COLDATA->m_color.pixel;
 }
 
-GdkColor *wxColour::GetColor() const
+const GdkColor *wxColour::GetColor() const
 {
     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);
+}