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implemented dummy wxPalette for wxGTK, so that it no longer pops up assertion failures and wxImage and image handlers work correctly now.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9579 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2001-03-25 22:20:19 +00:00
parent 4178000933
commit cb332bc6b7
2 changed files with 148 additions and 54 deletions
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101
src/gtk/palette.cpp
View File

@ -21,6 +21,11 @@
// wxPalette // wxPalette
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
struct wxPaletteEntry
{
unsigned char red, green, blue;
};
class wxPaletteRefData: public wxObjectRefData class wxPaletteRefData: public wxObjectRefData
{ {
public: public:
@ -28,17 +33,28 @@ class wxPaletteRefData: public wxObjectRefData
wxPaletteRefData(void); wxPaletteRefData(void);
~wxPaletteRefData(void); ~wxPaletteRefData(void);
int m_count;
wxPaletteEntry *m_entries;
#if 0
GdkColormap *m_colormap; GdkColormap *m_colormap;
#endif
}; };
wxPaletteRefData::wxPaletteRefData() wxPaletteRefData::wxPaletteRefData()
{ {
m_count = 0;
m_entries = NULL;
#if 0
m_colormap = (GdkColormap *) NULL; m_colormap = (GdkColormap *) NULL;
#endif
} }
wxPaletteRefData::~wxPaletteRefData() wxPaletteRefData::~wxPaletteRefData()
{ {
delete[] m_entries;
#if 0
if (m_colormap) gdk_colormap_unref( m_colormap ); if (m_colormap) gdk_colormap_unref( m_colormap );
#endif
} }
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
@ -49,36 +65,36 @@ IMPLEMENT_DYNAMIC_CLASS(wxPalette,wxGDIObject)
wxPalette::wxPalette() wxPalette::wxPalette()
{ {
m_refData = NULL;
} }
wxPalette::wxPalette( int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue ) wxPalette::wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
{ {
m_refData = new wxPaletteRefData(); Create(n, red, green, blue);
Create( n, red, green, blue );
} }
wxPalette::wxPalette( const wxPalette& palette ) wxPalette::wxPalette(const wxPalette& palette)
{ {
Ref( palette ); Ref(palette);
} }
wxPalette::~wxPalette() wxPalette::~wxPalette()
{ {
} }
wxPalette& wxPalette::operator = ( const wxPalette& palette ) wxPalette& wxPalette::operator = (const wxPalette& palette)
{ {
if (*this == palette) return (*this); if (*this == palette) return (*this);
Ref( palette ); Ref(palette);
return *this; return *this;
} }
bool wxPalette::operator == ( const wxPalette& palette ) bool wxPalette::operator == (const wxPalette& palette)
{ {
return m_refData == palette.m_refData; return m_refData == palette.m_refData;
} }
bool wxPalette::operator != ( const wxPalette& palette ) bool wxPalette::operator != (const wxPalette& palette)
{ {
return m_refData != palette.m_refData; return m_refData != palette.m_refData;
} }
@ -88,32 +104,63 @@ bool wxPalette::Ok(void) const
return (m_refData != NULL); return (m_refData != NULL);
} }
bool wxPalette::Create( int WXUNUSED(n), bool wxPalette::Create(int n,
const unsigned char *WXUNUSED(red), const unsigned char *red,
const unsigned char *WXUNUSED(green), const unsigned char *green,
const unsigned char *WXUNUSED(blue) ) const unsigned char *blue)
{ {
wxFAIL_MSG(wxT("not implemented")); UnRef();
m_refData = new wxPaletteRefData();
M_PALETTEDATA->m_count = n;
M_PALETTEDATA->m_entries = new wxPaletteEntry[n];
return FALSE; wxPaletteEntry *e = M_PALETTEDATA->m_entries;
for (int i = 0; i < n; i++, e++)
{
e->red = red[i];
e->green = green[i];
e->blue = blue[i];
}
return TRUE;
} }
int wxPalette::GetPixel( const unsigned char WXUNUSED(red), int wxPalette::GetPixel( const unsigned char red,
const unsigned char WXUNUSED(green), const unsigned char green,
const unsigned char WXUNUSED(blue) ) const const unsigned char blue ) const
{ {
wxFAIL_MSG(wxT("not implemented")); if (!m_refData) return FALSE;
return 0; int closest = 0;
double d,distance = 1000.0; // max. dist is 256
wxPaletteEntry *e = M_PALETTEDATA->m_entries;
for (int i = 0; i < M_PALETTEDATA->m_count; i++, e++)
{
if ((d = 0.299 * abs(red - e->red) +
0.587 * abs(green - e->green) +
0.114 * abs(blue - e->blue)) < distance) {
distance = d;
closest = i;
}
}
return closest;
} }
bool wxPalette::GetRGB( int WXUNUSED(pixel), bool wxPalette::GetRGB(int pixel,
unsigned char *WXUNUSED(red), unsigned char *red,
unsigned char *WXUNUSED(green), unsigned char *green,
unsigned char *WXUNUSED(blue) ) const unsigned char *blue) const
{ {
wxFAIL_MSG(wxT("not implemented")); if (!m_refData) return FALSE;
if (pixel >= M_PALETTEDATA->m_count) return FALSE;
return 0;
wxPaletteEntry& p = M_PALETTEDATA->m_entries[pixel];
if (red) *red = p.red;
if (green) *green = p.green;
if (blue) *blue = p.blue;
return TRUE;
} }

101
src/gtk1/palette.cpp
View File

@ -21,6 +21,11 @@
// wxPalette // wxPalette
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
struct wxPaletteEntry
{
unsigned char red, green, blue;
};
class wxPaletteRefData: public wxObjectRefData class wxPaletteRefData: public wxObjectRefData
{ {
public: public:
@ -28,17 +33,28 @@ class wxPaletteRefData: public wxObjectRefData
wxPaletteRefData(void); wxPaletteRefData(void);
~wxPaletteRefData(void); ~wxPaletteRefData(void);
int m_count;
wxPaletteEntry *m_entries;
#if 0
GdkColormap *m_colormap; GdkColormap *m_colormap;
#endif
}; };
wxPaletteRefData::wxPaletteRefData() wxPaletteRefData::wxPaletteRefData()
{ {
m_count = 0;
m_entries = NULL;
#if 0
m_colormap = (GdkColormap *) NULL; m_colormap = (GdkColormap *) NULL;
#endif
} }
wxPaletteRefData::~wxPaletteRefData() wxPaletteRefData::~wxPaletteRefData()
{ {
delete[] m_entries;
#if 0
if (m_colormap) gdk_colormap_unref( m_colormap ); if (m_colormap) gdk_colormap_unref( m_colormap );
#endif
} }
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
@ -49,36 +65,36 @@ IMPLEMENT_DYNAMIC_CLASS(wxPalette,wxGDIObject)
wxPalette::wxPalette() wxPalette::wxPalette()
{ {
m_refData = NULL;
} }
wxPalette::wxPalette( int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue ) wxPalette::wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
{ {
m_refData = new wxPaletteRefData(); Create(n, red, green, blue);
Create( n, red, green, blue );
} }
wxPalette::wxPalette( const wxPalette& palette ) wxPalette::wxPalette(const wxPalette& palette)
{ {
Ref( palette ); Ref(palette);
} }
wxPalette::~wxPalette() wxPalette::~wxPalette()
{ {
} }
wxPalette& wxPalette::operator = ( const wxPalette& palette ) wxPalette& wxPalette::operator = (const wxPalette& palette)
{ {
if (*this == palette) return (*this); if (*this == palette) return (*this);
Ref( palette ); Ref(palette);
return *this; return *this;
} }
bool wxPalette::operator == ( const wxPalette& palette ) bool wxPalette::operator == (const wxPalette& palette)
{ {
return m_refData == palette.m_refData; return m_refData == palette.m_refData;
} }
bool wxPalette::operator != ( const wxPalette& palette ) bool wxPalette::operator != (const wxPalette& palette)
{ {
return m_refData != palette.m_refData; return m_refData != palette.m_refData;
} }
@ -88,32 +104,63 @@ bool wxPalette::Ok(void) const
return (m_refData != NULL); return (m_refData != NULL);
} }
bool wxPalette::Create( int WXUNUSED(n), bool wxPalette::Create(int n,
const unsigned char *WXUNUSED(red), const unsigned char *red,
const unsigned char *WXUNUSED(green), const unsigned char *green,
const unsigned char *WXUNUSED(blue) ) const unsigned char *blue)
{ {
wxFAIL_MSG(wxT("not implemented")); UnRef();
m_refData = new wxPaletteRefData();
M_PALETTEDATA->m_count = n;
M_PALETTEDATA->m_entries = new wxPaletteEntry[n];
return FALSE; wxPaletteEntry *e = M_PALETTEDATA->m_entries;
for (int i = 0; i < n; i++, e++)
{
e->red = red[i];
e->green = green[i];
e->blue = blue[i];
}
return TRUE;
} }
int wxPalette::GetPixel( const unsigned char WXUNUSED(red), int wxPalette::GetPixel( const unsigned char red,
const unsigned char WXUNUSED(green), const unsigned char green,
const unsigned char WXUNUSED(blue) ) const const unsigned char blue ) const
{ {
wxFAIL_MSG(wxT("not implemented")); if (!m_refData) return FALSE;
return 0; int closest = 0;
double d,distance = 1000.0; // max. dist is 256
wxPaletteEntry *e = M_PALETTEDATA->m_entries;
for (int i = 0; i < M_PALETTEDATA->m_count; i++, e++)
{
if ((d = 0.299 * abs(red - e->red) +
0.587 * abs(green - e->green) +
0.114 * abs(blue - e->blue)) < distance) {
distance = d;
closest = i;
}
}
return closest;
} }
bool wxPalette::GetRGB( int WXUNUSED(pixel), bool wxPalette::GetRGB(int pixel,
unsigned char *WXUNUSED(red), unsigned char *red,
unsigned char *WXUNUSED(green), unsigned char *green,
unsigned char *WXUNUSED(blue) ) const unsigned char *blue) const
{ {
wxFAIL_MSG(wxT("not implemented")); if (!m_refData) return FALSE;
if (pixel >= M_PALETTEDATA->m_count) return FALSE;
return 0;
wxPaletteEntry& p = M_PALETTEDATA->m_entries[pixel];
if (red) *red = p.red;
if (green) *green = p.green;
if (blue) *blue = p.blue;
return TRUE;
} }