surface.h

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/*
 * Copyright 2024 dogtopus
 * SPDX-License-Identifier: MIT
 */

 
#ifndef __MUTEKI_DRAW_TYPES_SURFACE_H__
#define __MUTEKI_DRAW_TYPES_SURFACE_H__
 
#include "../../common.h"
 
#ifdef __cplusplus
extern "C" {
#endif

enum lcd_surface_blit_flag_e {
    LCD_SURFACE_BLIT_NONE = 0,
    LCD_SURFACE_BLIT_AND = 0x2,
    LCD_SURFACE_BLIT_OR = 0x3,
    LCD_SURFACE_BLIT_XOR = 0x4,
    LCD_SURFACE_BLIT_TRANSPARENT = 0xe,
    LCD_SURFACE_BLIT_ALPHA_BLENDING = 0xf,
    LCD_SURFACE_BLIT_ALPHA_BLENDING_FAST = 0x10,
};

enum lcd_surface_pixfmt_e {
    LCD_SURFACE_PIXFMT_L1 = 1,
    LCD_SURFACE_PIXFMT_L4 = 4,
    LCD_SURFACE_PIXFMT_L8 = 8,
    LCD_SURFACE_PIXFMT_RGB444 = 12,
    LCD_SURFACE_PIXFMT_RGB565 = 16,
    LCD_SURFACE_PIXFMT_RGB = 24,
    LCD_SURFACE_PIXFMT_XRGB = 32,
    LCD_SURFACE_PIXFMT_ARGB = 32,
};

enum lcd_surface_encoding_e {
    LCD_SURFACE_ENCODING_HCA = 1,
    LCD_SURFACE_ENCODING_RAW = 2,
};

typedef struct lcd_surface_s {
    char magic[2]; // 0:2
    short width; // 2:4
    short height; // 4:6
    short depth; // 6:8
    short xsize; // 8:10
    short encoding; // 10:12
    int *palette; // 12:16
    void *buffer; // 16:20
} lcd_surface_t; // 20 bytes
 
#ifdef __cplusplus
} // extern "C"
#endif
 
#endif // __MUTEKI_DRAW_TYPES_SURFACE_H__