/////////////////////////////////////////////////////////////////////////////
-// Name: palette.cpp
+// Name: src/msw/palette.cpp
// Purpose: wxPalette
// Author: Julian Smart
// Modified by:
#if wxUSE_PALETTE
+#include "wx/palette.h"
+
#ifndef WX_PRECOMP
- #include "wx/palette.h"
#endif
#include "wx/msw/private.h"
wxPaletteRefData::wxPaletteRefData(void)
{
- m_hPalette = 0;
+ m_hPalette = 0;
}
wxPaletteRefData::~wxPaletteRefData(void)
::DeleteObject((HPALETTE) m_hPalette);
}
-wxPalette::wxPalette(void)
+wxPalette::wxPalette()
{
}
wxPalette::wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
{
- Create(n, red, green, blue);
+ Create(n, red, green, blue);
}
wxPalette::~wxPalette(void)
{
if ( M_PALETTEDATA && M_PALETTEDATA->m_hPalette)
{
- DeleteObject((HPALETTE)M_PALETTEDATA->m_hPalette);
+ DeleteObject((HPALETTE)M_PALETTEDATA->m_hPalette);
}
+
return true;
}
+int wxPalette::GetColoursCount() const
+{
+ if ( M_PALETTEDATA && M_PALETTEDATA->m_hPalette)
+ {
+ return ::GetPaletteEntries((HPALETTE) M_PALETTEDATA->m_hPalette, 0, 0, NULL );
+ }
+
+ return 0;
+}
+
bool wxPalette::Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
{
- UnRef();
+ UnRef();
#if defined(__WXMICROWIN__)
- return false;
+ return false;
#else
- m_refData = new wxPaletteRefData;
+ m_refData = new wxPaletteRefData;
- NPLOGPALETTE npPal = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE) +
- (WORD)n * sizeof(PALETTEENTRY));
- if (!npPal)
- return false;
+ NPLOGPALETTE npPal = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE) +
+ (WORD)n * sizeof(PALETTEENTRY));
+ if (!npPal)
+ return false;
- npPal->palVersion = 0x300;
- npPal->palNumEntries = (WORD)n;
-
- int i;
- for (i = 0; i < n; i ++)
- {
- npPal->palPalEntry[i].peRed = red[i];
- npPal->palPalEntry[i].peGreen = green[i];
- npPal->palPalEntry[i].peBlue = blue[i];
- npPal->palPalEntry[i].peFlags = 0;
- }
- M_PALETTEDATA->m_hPalette = (WXHPALETTE) CreatePalette((LPLOGPALETTE)npPal);
- LocalFree((HANDLE)npPal);
- return true;
+ npPal->palVersion = 0x300;
+ npPal->palNumEntries = (WORD)n;
+
+ int i;
+ for (i = 0; i < n; i ++)
+ {
+ npPal->palPalEntry[i].peRed = red[i];
+ npPal->palPalEntry[i].peGreen = green[i];
+ npPal->palPalEntry[i].peBlue = blue[i];
+ npPal->palPalEntry[i].peFlags = 0;
+ }
+ M_PALETTEDATA->m_hPalette = (WXHPALETTE) CreatePalette((LPLOGPALETTE)npPal);
+ LocalFree((HANDLE)npPal);
+ return true;
#endif
}
-int wxPalette::GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const
+int wxPalette::GetPixel(unsigned char red, unsigned char green, unsigned char blue) const
{
#ifdef __WXMICROWIN__
- return 0;
+ return wxNOT_FOUND;
#else
- if ( !m_refData )
- return 0;
+ if ( !m_refData )
+ return wxNOT_FOUND;
- return ::GetNearestPaletteIndex((HPALETTE) M_PALETTEDATA->m_hPalette, PALETTERGB(red, green, blue));
+ return ::GetNearestPaletteIndex((HPALETTE) M_PALETTEDATA->m_hPalette, PALETTERGB(red, green, blue));
#endif
}
bool wxPalette::GetRGB(int index, unsigned char *red, unsigned char *green, unsigned char *blue) const
{
#ifdef __WXMICROWIN__
- return false;
-#else
- if ( !m_refData )
return false;
+#else
+ if ( !m_refData )
+ return false;
+
+ if (index < 0 || index > 255)
+ return false;
- if (index < 0 || index > 255)
- return false;
-
- PALETTEENTRY entry;
- if (::GetPaletteEntries((HPALETTE) M_PALETTEDATA->m_hPalette, index, 1, &entry))
- {
- *red = entry.peRed;
- *green = entry.peGreen;
- *blue = entry.peBlue;
- return true;
- } else
- return false;
+ PALETTEENTRY entry;
+ if (::GetPaletteEntries((HPALETTE) M_PALETTEDATA->m_hPalette, index, 1, &entry))
+ {
+ *red = entry.peRed;
+ *green = entry.peGreen;
+ *blue = entry.peBlue;
+ return true;
+ }
+ else
+ return false;
#endif
}
}
#endif // wxUSE_PALETTE
-