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#pragma once
/* palette index to be used as transparent color */
#ifndef UBOX_TRANSPARENT
#define UBOX_TRANSPARENT 255
#endif
typedef struct {
uint16_t x;
uint16_t y;
uint16_t w;
uint16_t h;
} ubox_rect;
uint8_t ubox_open_framebuffer();
void ubox_close_framebuffer();
uint8_t ubox_set_mode(uint8_t mode);
void ubox_wait_vsync();
void ubox_wait_frames(uint16_t frames);
/* the palette is expected to be 8 bit per color, and will be converted to VGA's 6 bit per color */
void ubox_set_palette(const uint8_t *palette);
#define UBOX_TARGET_SCREEN 0
#define UBOX_TARGET_BUFFER 1
void ubox_blit_target(uint8_t t);
void ubox_blit(const uint8_t *sprite, const ubox_rect *dst);
/* used for text: skip transparent, ignore 0, replace any other color by c */
void ubox_blit_c(const uint8_t *sprite, const ubox_rect *dst, uint8_t c);
/* in src w is sprite width, h is sprite height */
void ubox_blitrc(const uint8_t *sprite, const ubox_rect *src, const ubox_rect *dst);
void ubox_blit_erase(uint8_t c);
/* copy from back buffer to screen */
void ubox_blit_copy_all();
void ubox_blit_copy(const ubox_rect *dst);
/* only for 16 width, w is ignored */
void ubox_blit_copy16(const ubox_rect *dst);
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