gp_get_put_pixel.h

Go to the documentation of this file.

// SPDX-License-Identifier: LGPL-2.1-or-later
/*
 * Copyright (C) 2011      Tomas Gavenciak <gavento@ucw.cz>
 * Copyright (C) 2011-2024 Cyril Hrubis <metan@ucw.cz>
 */
 
#ifndef CORE_GP_GETPUTPIXEL_H
#define CORE_GP_GETPUTPIXEL_H
 
#include <core/gp_types.h>
#include <core/gp_pixel.h>
#include <core/gp_pixel_pack.gen.h>
#include <core/gp_get_put_pixel.gen.h>
 
gp_pixel gp_getpixel(const gp_pixmap *pixmap, gp_coord x, gp_coord y);
 
static inline gp_pixel gp_getpixel_raw(const gp_pixmap *pixmap,
                                       gp_coord x, gp_coord y)
{
        GP_FN_RET_PER_PACK_PIXMAP(gp_getpixel_raw, pixmap, pixmap, x, y);
 
        GP_ABORT("Invalid pixmap pixel type");
}
 
/*
 * Version of GetPixel without transformations and with border checking.
 */
static inline gp_pixel gp_getpixel_raw_clipped(const gp_pixmap *pixmap,
                                               gp_coord x, gp_coord y)
{
        if (GP_PIXEL_IS_CLIPPED(pixmap, x, y))
                return 0;
 
        return gp_getpixel_raw(pixmap, x, y);
}
 
void gp_putpixel(gp_pixmap *pixmap, gp_coord x, gp_coord y, gp_pixel p);
 
static inline void gp_putpixel_raw(gp_pixmap *pixmap,
                                   gp_coord x, gp_coord y, gp_pixel p)
{
        GP_FN_PER_PACK_PIXMAP(gp_putpixel_raw, pixmap, pixmap, x, y, p);
}
 
/*
 * Version of PutPixel without transformation and with border checking.
 */
static inline void gp_putpixel_raw_clipped(gp_pixmap *pixmap,
                                           gp_coord x, gp_coord y, gp_pixel p)
{
        GP_FN_PER_PACK_PIXMAP(gp_putpixel_raw_clipped, pixmap, pixmap, x, y, p);
}
 
uint8_t gp_pixel_addr_offset(const gp_pixmap *pixmap, gp_coord x);
 
#endif /* CORE_GP_GETPUTPIXEL_H */