libdgl/DGLGFX.H

45 lines
1.1 KiB
C

#ifndef DGL_DGLGFX_H_INCLUDED
#define DGL_DGLGFX_H_INCLUDED
#include "dglcmn.h"
#include "dglrect.h"
typedef struct {
int width;
int height;
byte *pixels;
RECT clip_region;
unsigned int flags;
} SURFACE;
#define SURFACE_FLAGS_ALIASED BIT_0
extern SURFACE *screen;
boolean video_init(void);
boolean video_shutdown(void);
boolean video_is_initialized(void);
void video_wait_vsync(void);
SURFACE* surface_create(int width, int height);
void surface_free(SURFACE *surface);
void surface_clear(SURFACE *surface, int color);
void surface_copy(const SURFACE *src, SURFACE *dest);
static int surface_offset(const SURFACE *surface, int x, int y);
static byte* surface_pointer(const SURFACE *surface, int x, int y);
// --------------------------------------------------------------------------
static int surface_offset(const SURFACE *surface, int x, int y) {
return (surface->width * y) + x;
}
static byte* surface_pointer(const SURFACE *surface, int x, int y) {
return surface->pixels + surface_offset(surface, x, y);
}
#endif