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/*
* Copyright 2009 Vincent Sanders <vince@simtec.co.uk>
* Copyright 2010 Michael Drake <tlsa@netsurf-browser.org>
*
* This file is part of libnsfb, http://www.netsurf-browser.org/
* Licenced under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
*/
#include <stdbool.h>
#include <stdlib.h>
#include "libnsfb.h"
#include "libnsfb_plot.h"
#include "libnsfb_plot_util.h"
#include "nsfb.h"
#include "plot.h"
#define UNUSED __attribute__((unused))
/**
* Get the address of a logical location on the framebuffer
*/
static inline uint32_t *get_xy_loc(nsfb_t *nsfb, int x, int y)
{
return (void *)(nsfb->ptr + (y * nsfb->linelen) + (x << 2));
}
#ifdef NSFB_BE_BYTE_ORDER
/**
* convert a 32bpp big endian pixel value to netsurf colour
*
* \param nsfb The framebuffer
* \param pixel The pixel value
* \return The netsurf colour value.
*/
static inline nsfb_colour_t pixel_to_colour(UNUSED nsfb_t *nsfb, uint32_t pixel)
{
return (pixel >> 8) & ~0xFF000000U;
}
/**
* convert a colour value to a big endian 32bpp pixel value
*
* \param nsfb The framebuffer
* \param c The framebuffer colour
* \return A pixel value ready for screen output.
*/
static inline uint32_t colour_to_pixel(UNUSED nsfb_t *nsfb, nsfb_colour_t c)
{
return (c << 8);
}
#else
/**
* convert a 32bpp little endian pixel value to netsurf colour
*
* \param nsfb The framebuffer
* \param pixel The pixel value
* \return The netsurf colour value.
*/
static inline nsfb_colour_t pixel_to_colour(UNUSED nsfb_t *nsfb, uint32_t pixel)
{
return ((pixel & 0xFF) << 16) |
((pixel & 0xFF00)) |
((pixel & 0xFF0000) >> 16);
}
/**
* convert a colour value to a little endian 32bpp pixel value
*
* \param nsfb The framebuffer
* \param c The netsurf colour
* \return A pixel value ready for screen output.
*/
static inline uint32_t colour_to_pixel(UNUSED nsfb_t *nsfb, nsfb_colour_t c)
{
return ((c & 0xff0000) >> 16) | (c & 0xff00) | ((c & 0xff) << 16);
}
#endif
#define PLOT_TYPE uint32_t
#define PLOT_LINELEN(ll) ((ll) >> 2)
#include "32bpp-common.c"
const nsfb_plotter_fns_t _nsfb_32bpp_xrgb8888_plotters = {
.line = line,
.fill = fill,
.point = point,
.bitmap = bitmap,
.bitmap_tiles = bitmap_tiles,
.glyph8 = glyph8,
.glyph1 = glyph1,
.readrect = readrect,
};
/*
* Local Variables:
* c-basic-offset:8
* End:
*/
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