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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: quantize.h
	3	// Purpose: interface of wxQuantize
	4	// Author: wxWidgets team
	5	// RCS-ID: $Id$
	6	// Licence: wxWindows license
	7	/////////////////////////////////////////////////////////////////////////////
	8
	9	/**
	10	@class wxQuantize
	11	@wxheader{quantize.h}
	12
	13	Performs quantization, or colour reduction, on a wxImage.
	14
	15	Functions in this class are static and so a wxQuantize object need not be
	16	created.
	17
	18	@library{wxcore}
	19	@category{misc}
	20	*/
	21	class wxQuantize : public wxObject
	22	{
	23	public:
	24	/**
	25	Constructor. You do not need to construct a wxQuantize object since its
	26	functions are static.
	27	*/
	28	wxQuantize();
	29
	30	/**
	31	Converts input bitmap(s) into 8bit representation with custom palette.
	32	in_rows and out_rows are arrays [0..h-1] of pointer to rows
	33	(in_rows contains w * 3 bytes per row, out_rows w bytes per row).
	34	Fills out_rows with indexes into palette (which is also stored into palette
	35	variable).
	36	*/
	37	void DoQuantize(unsigned w, unsigned h, unsigned char** in_rows,
	38	unsigned char** out_rows,
	39	unsigned char* palette,
	40	int desiredNoColours);
	41
	42	//@{
	43	/**
	44	This version sets a palette in the destination image so you don't
	45	have to manage it yourself.
	46	*/
	47	bool Quantize(const wxImage& src, wxImage& dest,
	48	wxPalette** pPalette,
	49	int desiredNoColours = 236,
	50	unsigned char** eightBitData = 0,
	51	int flags = wxQUANTIZE_INCLUDE_WINDOWS_COLOURS\|wxQUANTIZE_FILL_DESTINATION_IMAGE\|wxQUANTIZE_RETURN_8BIT_DATA);
	52	bool Quantize(const wxImage& src, wxImage& dest,
	53	int desiredNoColours = 236,
	54	unsigned char** eightBitData = 0,
	55	int flags = wxQUANTIZE_INCLUDE_WINDOWS_COLOURS\|wxQUANTIZE_FILL_DESTINATION_IMAGE\|wxQUANTIZE_RETURN_8BIT_DATA);
	56	//@}
	57	};
	58