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111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/**
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* gif lib,copy from lvgl.
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*
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*/
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#ifndef _GIF_DECODER_H_
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#define _GIF_DECODER_H_
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#include <stdint.h>
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#include "aic_core.h"
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#define PRINTF printf
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//img mem
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#define GIF_IMG_ALLOC(size) aicos_malloc(MEM_CMA,size)
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#define GIF_IMG_FREE(ptr) aicos_free(MEM_CMA,ptr)
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#define GIF_MEM_ALLOC malloc
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#define GIF_MEM_FREE free
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#define GIF_MEM_REALLOC realloc
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typedef union {
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struct {
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uint16_t blue : 5;
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uint16_t green : 6;
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uint16_t red : 5;
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} ch;
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uint16_t full;
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} lv_color16_t;
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typedef union {
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struct {
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uint8_t blue;
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uint8_t green;
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uint8_t red;
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uint8_t alpha;
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} ch;
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uint32_t full;
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} lv_color32_t;
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#if GIF_COLOR_FORMAT == 0
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#define GIF_COLOR_DEPTH 32
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#elif GIF_COLOR_FORMAT == 14
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#define GIF_COLOR_DEPTH 16
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#endif
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#define _GIF_CONCAT3(x, y, z) x ## y ## z
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#define GIF_CONCAT3(x, y, z) _GIF_CONCAT3(x, y, z)
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#define _GIF_CONCAT(x, y) x ## y
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#define GIF_CONCAT(x, y) _GIF_CONCAT(x, y)
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typedef GIF_CONCAT3(lv_color, GIF_COLOR_DEPTH, _t) gif_color_t;
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#define _GIF_COLOR_ZERO_INITIALIZER16 {{0x00, 0x00, 0x00}}
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#define GIF_COLOR_MAKE16(r8, g8, b8) {{(uint8_t)((b8 >> 3) & 0x1FU), (uint8_t)((g8 >> 2) & 0x3FU), (uint8_t)((r8 >> 3) & 0x1FU)}}
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# define _GIF_COLOR_ZERO_INITIALIZER32 {{0x00, 0x00, 0x00, 0x00}}
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# define GIF_COLOR_MAKE32(r8, g8, b8) {{b8, g8, r8, 0xff}} /*Fix 0xff alpha*/
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#define GIF_COLOR_MAKE(r8, g8, b8) GIF_CONCAT(GIF_COLOR_MAKE, GIF_COLOR_DEPTH)(r8, g8, b8)
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#define _GIF_COLOR_MAKE_TYPE_HELPER (gif_color_t)
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static inline gif_color_t gif_color_make(uint8_t r, uint8_t g, uint8_t b)
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{
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return (gif_color_t) GIF_COLOR_MAKE(r, g, b);
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}
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typedef struct gd_palette {
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int size;
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uint8_t colors[0x100 * 3];
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} gd_palette;
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typedef struct gd_gce {
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uint16_t delay;
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uint8_t tindex;
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uint8_t disposal;
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int input;
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int transparency;
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} gd_gce;
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typedef struct gd_gif {
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int32_t fd;
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const char * data;
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uint8_t is_file;
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uint32_t f_rw_p;
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int32_t anim_start;
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uint16_t width, height;
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uint16_t depth;
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uint16_t loop_count;
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gd_gce gce;
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gd_palette *palette;
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gd_palette lct, gct;
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void (*plain_text)(
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struct gd_gif *gif, uint16_t tx, uint16_t ty,
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uint16_t tw, uint16_t th, uint8_t cw, uint8_t ch,
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uint8_t fg, uint8_t bg
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);
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void (*comment)(struct gd_gif *gif);
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void (*application)(struct gd_gif *gif, char id[8], char auth[3]);
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uint16_t fx, fy, fw, fh;
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uint8_t bgindex;
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uint8_t *canvas, *frame;
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} gd_gif;
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gd_gif * gifdec_open_gif_file(const char *fname);
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gd_gif * gifdec_open_gif_data(const void *data);
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void gifdec_render_frame(gd_gif *gif, uint8_t *buffer);
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int gifdec_get_frame(gd_gif *gif);
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void gifdec_rewind(gd_gif *gif);
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void gifdec_close_gif(gd_gif *gif);
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#endif /* _GIF_DECODER_H_ */
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