#ifndef DGL_DRAW_H_INCLUDED
#define DGL_DRAW_H_INCLUDED

#include "gfx.h"
#include "clipping.h"
#include "util.h"

static inline void surface_pset(SURFACE *surface, int x, int y, int color);
static inline void surface_pset_f(SURFACE *surface, int x, int y, int color);
static inline int surface_point(const SURFACE *surface, int x, int y);
static inline int surface_point_f(const SURFACE *surface, int x, int y);

static inline void surface_hline(SURFACE *surface, int x1, int x2, int y, int color);
void surface_hline_f(SURFACE *surface, int x1, int x2, int y, int color);
static inline void surface_vline(SURFACE *surface, int x, int y1, int y2, int color);
void surface_vline_f(SURFACE *surface, int x, int y1, int y2, int color);
void surface_line(SURFACE *surface, int x1, int y1, int x2, int y2, int color);
void surface_line_f(SURFACE *surface, int x1, int y1, int x2, int y2, int color);

void surface_rect(SURFACE *surface, int x1, int y1, int x2, int y2, int color);
void surface_rect_f(SURFACE *surface, int x1, int y1, int x2, int y2, int color);
void surface_filled_rect(SURFACE *surface, int x1, int y1, int x2, int y2, int color);
void surface_filled_rect_f(SURFACE *surface, int x1, int y1, int x2, int y2, int color);

void surface_text(SURFACE *surface, int x, int y, int color, const char *text);
void surface_text_f(SURFACE *surface, int x, int y, int color, const char *text);
void surface_printf(SURFACE *surface, int x, int y, int color, const char *format, ...);
void surface_printf_f(SURFACE *surface, int x, int y, int color, const char *format, ...);


// --------------------------------------------------------------------------

static inline void surface_pset(SURFACE *surface, int x, int y, int color) {
    if (is_point_in_bounds(&surface->clip_region, x, y))
        surface_pset_f(surface, x, y, color);
}

static inline void surface_pset_f(SURFACE *surface, int x, int y, int color) {
    *(surface_pointer(surface, x, y)) = (byte)color;
}

static inline int surface_point(const SURFACE *surface, int x, int y) {
    if (is_point_in_bounds(&surface->clip_region, x, y))
        return surface_point_f(surface, x, y);
    else
        return 0;
}

static inline int surface_point_f(const SURFACE *surface, int x, int y) {
    return (int)*(surface_pointer(surface, x, y));
}

static inline void surface_hline(SURFACE *surface, int x1, int x2, int y, int color) {
    if (x2 < x1)
        SWAP(int, x1, x2);
    if (clamp_to_region(&surface->clip_region, &x1, &y, &x2, &y))
        surface_hline_f(surface, x1, x2, y, color);
}

static inline void surface_vline(SURFACE *surface, int x, int y1, int y2, int color) {
    if (y2 < y1)
        SWAP(int, y1, y2);
    if (clamp_to_region(&surface->clip_region, &x, &y1, &x, &y2))
        surface_vline_f(surface, x, y1, y2, color);
}

#endif