gp_blit.h

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// 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_BLIT_H
#define CORE_GP_BLIT_H
 
void gp_blit_xyxy(const gp_pixmap *src,
                  gp_coord x0, gp_coord y0, gp_coord x1, gp_coord y1,
                  gp_pixmap *dst, gp_coord x2, gp_coord y2);
 
/*
 * Clipped variant. Could handle destination coordinates outside of the
 * destination rectangle (both possitive and negative). Source larger than
 * destination and so.
 */
void gp_blit_xyxy_clipped(const gp_pixmap *src,
                          gp_coord x0, gp_coord y0, gp_coord x1, gp_coord y1,
                          gp_pixmap *dst, gp_coord x2, gp_coord y2);
 
void gp_blit_xywh(const gp_pixmap *src,
                  gp_coord x0, gp_coord y0, gp_size w0, gp_size h0,
                  gp_pixmap *dst, gp_coord x1, gp_coord y1);
 
/*
 * Clipped variant. Could handle destination coordinates outside of the
 * destination rectangle (both possitive and negative). Source larger than
 * destination and so.
 */
void gp_blit_xywh_clipped(const gp_pixmap *src,
                          gp_coord x0, gp_coord y0, gp_size w0, gp_size h0,
                          gp_pixmap *dst, gp_coord x1, gp_coord y1);
 
static inline void gp_blit(const gp_pixmap *src,
                           gp_coord x0, gp_coord y0,
                           gp_size w0, gp_size h0,
                           gp_pixmap *dst, gp_coord x1, gp_coord y1)
{
        gp_blit_xywh(src, x0, y0, w0, h0, dst, x1, y1);
}
 
static inline void gp_blit_clipped(const gp_pixmap *src,
                                   gp_coord x0, gp_coord y0,
                                   gp_size w0, gp_size h0,
                                   gp_pixmap *dst, gp_coord x1, gp_coord y1)
{
        gp_blit_xywh_clipped(src, x0, y0, w0, h0, dst, x1, y1);
}
 
/*
 * Same as gp_blit_xyxy but doesn't respect rotations. Faster (for now).
 */
void gp_blit_xyxy_raw(const gp_pixmap *src,
                      gp_coord x0, gp_coord y0, gp_coord x1, gp_coord y1,
                      gp_pixmap *dst, gp_coord x2, gp_coord y2);
 
/*
 * Same as gp_blit_xywh but doesn't respect rotations. Faster (for now).
 */
void gp_blit_xywh_raw(const gp_pixmap *src,
                      gp_coord x0, gp_coord y0, gp_size w0, gp_size h0,
                      gp_pixmap *dst, gp_coord x2, gp_coord y2);
 
/*
 * Same as gp_blit but doesn't respect rotations. Faster (for now).
 */
static inline void gp_blit_raw(const gp_pixmap *src,
                               gp_coord x0, gp_coord y0,
                               gp_size w0, gp_size h0,
                               gp_pixmap *dst, gp_coord x1, gp_coord y1)
{
        gp_blit_xywh_raw(src, x0, y0, w0, h0, dst, x1, y1);
}
 
#endif /* CORE_GP_BLIT_H */