Palette code
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8953 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
parent
1378f26027
commit
deb63b954b
@ -23,36 +23,54 @@ public:
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wxPaletteRefData();
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~wxPaletteRefData();
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protected:
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WXHPALETTE m_hPalette;
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};
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WXHPALETTE m_hPalette;
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HPS m_hPS;
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}; // end of CLASS wxPaletteRefData
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#define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
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class WXDLLEXPORT wxPalette: public wxGDIObject
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{
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DECLARE_DYNAMIC_CLASS(wxPalette)
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DECLARE_DYNAMIC_CLASS(wxPalette)
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public:
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wxPalette();
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inline wxPalette(const wxPalette& palette) { Ref(palette); }
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wxPalette();
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inline wxPalette(const wxPalette& rPalette) { Ref(rPalette); }
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wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
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~wxPalette();
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bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
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int GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const;
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bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;
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wxPalette( int n
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,const unsigned char* pRed
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,const unsigned char* pGreen
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,const unsigned char* pBlue
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);
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~wxPalette();
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virtual bool Ok() const { return (m_refData != NULL) ; }
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bool Create( int n
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,const unsigned char* pRed
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,const unsigned char* pGreen
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,const unsigned char* pBlue
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);
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int GetPixel( const unsigned char cRed
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,const unsigned char cGreen
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,const unsigned char cBlue
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) const;
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bool GetRGB( int nPixel
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,unsigned char* pRed
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,unsigned char* pGreen
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,unsigned char* pBlue
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) const;
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inline wxPalette& operator = (const wxPalette& palette) { if (*this == palette) return (*this); Ref(palette); return *this; }
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inline bool operator == (const wxPalette& palette) { return m_refData == palette.m_refData; }
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inline bool operator != (const wxPalette& palette) { return m_refData != palette.m_refData; }
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virtual bool Ok(void) const { return (m_refData != NULL) ; }
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virtual bool FreeResource(bool force = FALSE);
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inline wxPalette& operator = (const wxPalette& rPalette) { if (*this == rPalette) return (*this); Ref(rPalette); return *this; }
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inline bool operator == (const wxPalette& rPalette) { return m_refData == rPalette.m_refData; }
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inline bool operator != (const wxPalette& rPalette) { return m_refData != rPalette.m_refData; }
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inline WXHPALETTE GetHPALETTE() const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
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void SetHPALETTE(WXHPALETTE pal);
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};
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virtual bool FreeResource(bool bForce = FALSE);
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inline WXHPALETTE GetHPALETTE(void) const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
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void SetHPALETTE(WXHPALETTE hPalette);
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void SetPS(HPS hPS);
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}; // end of CLASS wxPalette
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#define wxColorMap wxPalette
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#define wxColourMap wxPalette
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@ -33,105 +33,201 @@ IMPLEMENT_DYNAMIC_CLASS(wxPalette, wxGDIObject)
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wxPaletteRefData::wxPaletteRefData()
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{
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m_hPalette = 0;
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}
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m_hPalette = NULLHANDLE;
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m_hPS = NULLHANDLE;
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} // end of wxPaletteRefData::wxPaletteRefData
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wxPaletteRefData::~wxPaletteRefData()
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{
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if ( m_hPalette )
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return;
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// TODO: ::DeleteObject((HPALETTE) m_hPalette);
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}
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} // end of wxPaletteRefData::~wxPaletteRefData
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wxPalette::wxPalette()
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{
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}
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} // end of wxPalette::wxPalette
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wxPalette::wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
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wxPalette::wxPalette(
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int n
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, const unsigned char* pRed
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, const unsigned char* pGreen
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, const unsigned char* pBlue
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)
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{
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Create(n, red, green, blue);
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}
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Create( n
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,pRed
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,pGreen
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,pBlue
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);
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} // end of wxPalette::wxPalette
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wxPalette::~wxPalette()
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{
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}
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} // end of wxPalette::~wxPalette
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bool wxPalette::FreeResource(bool force)
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bool wxPalette::FreeResource(
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bool bForce
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)
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{
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if ( M_PALETTEDATA && M_PALETTEDATA->m_hPalette)
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{
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// TODO: DeleteObject((HPALETTE)M_PALETTEDATA->m_hPalette);
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::GpiSelectPalette(M_PALETTEDATA->m_hPS, NULLHANDLE);
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::GpiDeletePalette((HPAL)M_PALETTEDATA->m_hPalette);
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}
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return TRUE;
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}
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} // end of wxPalette::FreeResource
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bool wxPalette::Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
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bool wxPalette::Create(
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int n
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, const unsigned char* pRed
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, const unsigned char* pGreen
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, const unsigned char* pBlue
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)
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{
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UnRef();
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PULONG pualTable;
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m_refData = new wxPaletteRefData;
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UnRef();
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// TODO
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/*
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NPLOGPALETTE npPal = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE) +
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(WORD)n * sizeof(PALETTEENTRY));
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if (!npPal)
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return(FALSE);
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m_refData = new wxPaletteRefData;
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pualTable = new ULONG[n];
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if (!pualTable)
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return(FALSE);
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npPal->palVersion = 0x300;
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npPal->palNumEntries = n;
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for (int i = 0; i < n; i ++)
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{
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pualTable[i] = (PC_RESERVED * 16777216) + ((int)pRed[i] * 65536) + ((int)pGreen[i] * 256) + (int)pBlue[i];
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}
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M_PALETTEDATA->m_hPalette = (WXHPALETTE)::GpiCreatePalette( vHabmain
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,LCOL_PURECOLOR
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,LCOLF_CONSECRGB
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,(LONG)n
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,pualTable
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);
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delete [] pualTable;
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return TRUE;
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} // end of wxPalette::Create
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int i;
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for (i = 0; i < n; i ++)
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{
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npPal->palPalEntry[i].peRed = red[i];
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npPal->palPalEntry[i].peGreen = green[i];
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npPal->palPalEntry[i].peBlue = blue[i];
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npPal->palPalEntry[i].peFlags = 0;
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}
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M_PALETTEDATA->m_hPalette = (WXHPALETTE) CreatePalette((LPLOGPALETTE)npPal);
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LocalFree((HANDLE)npPal);
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*/
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return FALSE;
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}
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int wxPalette::GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const
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int wxPalette::GetPixel(
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const unsigned char cRed
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, const unsigned char cGreen
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, const unsigned char cBlue
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) const
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{
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if ( !m_refData )
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return FALSE;
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bool bFound = FALSE;
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PULONG pualTable = NULL;
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ULONG ulNumEntries;
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ULONG ulRGB = (PC_RESERVED * 16777216) +
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((int)cRed * 65536) +
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((int)cGreen * 256) +
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(int)cBlue;
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// TODO
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return FALSE;
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}
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bool wxPalette::GetRGB(int index, unsigned char *red, unsigned char *green, unsigned char *blue) const
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{
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if ( !m_refData )
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return FALSE;
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if (index < 0 || index > 255)
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if (!m_refData)
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return FALSE;
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// TODO
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/*
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PALETTEENTRY entry;
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if (::GetPaletteEntries((HPALETTE) M_PALETTEDATA->m_hPalette, index, 1, &entry))
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{
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*red = entry.peRed;
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*green = entry.peGreen;
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*blue = entry.peBlue;
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return TRUE;
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} else
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return FALSE;
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*/
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return FALSE;
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}
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void wxPalette::SetHPALETTE(WXHPALETTE pal)
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//
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// Get number of entries first
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//
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ulNumEntries = ::GpiQueryPaletteInfo( M_PALETTEDATA->m_hPalette
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,M_PALETTEDATA->m_hPS
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,0 // No options
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,0 // No start index
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,0 // Force return of number entries
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,NULL // No array
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);
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pualTable = new ULONG[ulNumEntries];
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//
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// Now get the entries
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//
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ulNumEntries = ::GpiQueryPaletteInfo( M_PALETTEDATA->m_hPalette
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,M_PALETTEDATA->m_hPS
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,0 // No options
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,0 // start at 0
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,ulNumEntries // Force return of number entries
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,pualTable // Palette entry array with RGB values
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);
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//
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// Now loop through and find the matching entry
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//
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for (int i = 0; i < ulNumEntries; i++)
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{
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if (pualTable[i] == ulRGB)
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{
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bFound = TRUE;
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break;
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}
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}
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if (!bFound)
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return 0;
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return (i + 1);
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} // end of wxPalette::GetPixel
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bool wxPalette::GetRGB(
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int nIndex
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, unsigned char* pRed
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, unsigned char* pGreen
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, unsigned char* pBlue
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) const
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{
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if ( !m_refData )
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m_refData = new wxPaletteRefData;
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PULONG pualTable = NULL;
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RGB2 vRGB;
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ULONG ulNumEntries;
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M_PALETTEDATA->m_hPalette = pal;
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}
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if (!m_refData)
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return FALSE;
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if (nIndex < 0 || nIndex > 255)
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return FALSE;
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//
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// Get number of entries first
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//
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ulNumEntries = ::GpiQueryPaletteInfo( M_PALETTEDATA->m_hPalette
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,M_PALETTEDATA->m_hPS
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,0 // No options
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,0 // No start index
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,0 // Force return of number entries
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,NULL // No array
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);
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pualTable = new ULONG[ulNumEntries];
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//
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// Now get the entries
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//
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ulNumEntries = ::GpiQueryPaletteInfo( M_PALETTEDATA->m_hPalette
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,M_PALETTEDATA->m_hPS
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,0 // No options
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,0 // start at 0
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,ulNumEntries // Force return of number entries
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,pualTable // Palette entry array with RGB values
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);
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memcpy(&vRGB, &pualTable[nIndex], sizeof(RGB2));
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*pBlue = vRGB.bBlue;
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*pGreen = vRGB.bGreen;
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*pRed = vRGB.bRed;
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return TRUE;
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} // end of wxPalette::GetRGB
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void wxPalette::SetHPALETTE(
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WXHPALETTE hPal
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)
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{
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if ( !m_refData )
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m_refData = new wxPaletteRefData;
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M_PALETTEDATA->m_hPalette = hPal;
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} // end of wxPalette::SetHPALETTE
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void wxPalette::SetPS(
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HPS hPS
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)
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{
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if ( !m_refData )
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m_refData = new wxPaletteRefData;
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::GpiSelectPalette(M_PALETTEDATA->m_hPS, M_PALETTEDATA->m_hPalette);
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M_PALETTEDATA->m_hPS = hPS;
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} // end of wxPalette::SetHPALETTE
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