kolibrios/contrib/C_Layer/INCLUDE/kolibri_libimg.h
Rustem Gimadutdinov (rgimad) 10b3ae76ba C_Layer: fixed some headers and code so that examples can build also with >= c99
git-svn-id: svn://kolibrios.org@8581 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-02-05 23:27:15 +00:00

128 lines
4.7 KiB
C

/* Written by turbocat2001 (Logaev Maxim) */
#ifndef KOLIBRI_LIBIMG_H
#define KOLIBRI_LIBIMG_H
#include <stddef.h>
#include <stdbool.h>
extern int kolibri_libimg_init(void);
#define _stdcall __attribute__((__stdcall__))
//list of format id's
#define LIBIMG_FORMAT_BMP 1
#define LIBIMG_FORMAT_ICO 2
#define LIBIMG_FORMAT_CUR 3
#define LIBIMG_FORMAT_GIF 4
#define LIBIMG_FORMAT_PNG 5
#define LIBIMG_FORMAT_JPEG 6
#define LIBIMG_FORMAT_TGA 7
#define LIBIMG_FORMAT_PCX 8
#define LIBIMG_FORMAT_XCF 9
#define LIBIMG_FORMAT_TIFF 10
#define LIBIMG_FORMAT_PNM 11
#define LIBIMG_FORMAT_WBMP 12
#define LIBIMG_FORMAT_XBM 13
#define LIBIMG_FORMAT_Z80 14
#pragma pack(push, 1)
typedef struct{
uint32_t Checksum; // ((Width ROL 16) OR Height) XOR Data[0] ; ignored so far
uint32_t Width;
uint32_t Height;
uint32_t Next;
uint32_t Previous;
uint32_t Type; // one of Image.bppN
uint32_t* Data;
uint32_t Palette; // used iff Type eq Image.bpp1, Image.bpp2, Image.bpp4 or Image.bpp8i
uint32_t Extended;
uint32_t Flags; // bitfield
uint32_t Delay; // used iff Image.IsAnimated is set in Flags
} Image;
#pragma pack(pop)
#define IMAGE_BPP8i 1 // indexed
#define IMAGE_BPP24 2
#define IMAGE_BPP32 3
#define IMAGE_BPP15 4
#define IMAGE_BPP16 5
#define IMAGE_BPP1 6
#define IMAGE_BPP8g 7 // grayscale
#define IMAGE_BPP2i 8
#define IMAGE_BPP4i 9
#define IMAGE_BPP8a 10
// scale type
#define LIBIMG_SCALE_NONE 0
#define LIBIMG_SCALE_INTEGER 1
#define LIBIMG_SCALE_TILE 2
#define LIBIMG_SCALE_STRETCH 3
#define LIBIMG_SCALE_FIT_BOTH LIBIMG_SCALE_STRETCH
#define LIBIMG_SCALE_FIT_MIN 4
#define LIBIMG_SCALE_FIT_RECT LIBIMG_SCALE_FIT_MIN
#define LIBIMG_SCALE_FIT_WIDTH 5
#define LIBIMG_SCALE_FIT_HEIGHT 6
#define LIBIMG_SCALE_FIT_MAX 7
// interpolation algorithm
#define LIBIMG_INTER_NONE 0 // use it with LIBIMG_SCALE_INTEGER, LIBIMG_SCALE_TILE, etc
#define LIBIMG_INTER_BILINEAR 1
#define LIBIMG_INTER_BICUBIC 2
#define LIBIMG_INTER_LANCZOS 3
#define LIBIMG_INTER_DEFAULT LIBIMG_INTER_BILINEAR
//error codes
#define LIBIMG_ERROR_OUT_OF_MEMORY 1
#define LIBIMG_ERROR_FORMAT 2
#define LIBIMG_ERROR_CONDITIONS 3
#define LIBIMG_ERROR_BIT_DEPTH 4
#define LIBIMG_ERROR_ENCODER 5
#define LIBIMG_ERROR_SRC_TYPE 6
#define LIBIMG_ERROR_SCALE 7
#define LIBIMG_ERROR_INTER 8
#define LIBIMG_ERROR_NOT_INPLEMENTED 9
#define LIBIMG_ERROR_INVALID_INPUT 10
//encode flags (byte 0x02 of _common option)
#define LIBIMG_ENCODE_STRICT_SPECIFIC 0x01
#define LIBIMG_ENCODE_STRICT_BIT_DEPTH 0x02
#define LIBIMG_ENCODE_DELETE_ALPHA 0x08
#define LIBIMG_ENCODE_FLUSH_ALPHA 0x10
#define FLIP_VERTICAL 0x01
#define FLIP_HORIZONTAL 0x02
#define ROTATE_90_CW 0x01
#define ROTATE_180 0x02
#define ROTATE_270_CW 0x03
#define ROTATE_90_CCW ROTATE_270_CW
#define ROTATE_270_CCW ROTATE_90_CW
extern Image* (*img_decode)(void* file_data, uint32_t size, uint32_t b_color) _stdcall;
extern Image* (*img_encode)(Image* img, uint32_t length, uint32_t option) _stdcall;
extern Image* (*img_create)(uint32_t width, uint32_t height, uint32_t type) _stdcall;
extern void (*img_to_rgb2)(Image* img, void *rgb_data) _stdcall;
extern Image* (*img_to_rgb)(Image* img) _stdcall;
extern bool (*img_flip)(Image* img, uint32_t flip) _stdcall;
extern bool (*img_flip_layer)(Image *img, uint32_t flip) _stdcall;
extern bool (*img_rotate)(Image *img, uint32_t rotate) _stdcall;
extern bool (*img_rotate_layer)(Image* data, uint32_t rotate) _stdcall;
extern void (*img_draw)(Image *img, uint32_t x, uint32_t y, uint32_t w, uint32_t h, uint32_t xoff, uint32_t yoff) _stdcall;
extern int32_t (*img_count)(Image *img) _stdcall;
extern bool (*img_destroy)(Image *img) _stdcall;
extern bool (*img_destroy_layer)(Image* img) _stdcall;
extern Image* (*img_blend)(Image* dst, Image* src, uint32_t out_x, uint32_t out_y, uint32_t in_x, uint32_t in_y, uint32_t width, uint32_t height) _stdcall;
extern Image* (*img_convert)(Image *src, Image *dst, uint32_t dst_type, uint32_t, uint32_t) _stdcall;
extern Image* (*img_resize_data)(Image *src, uint32_t width, uint32_t height) _stdcall;
extern Image* (*img_scale)(Image* src, uint32_t crop_x, uint32_t crop_y, uint32_t crop_width, uint32_t crop_height, Image* dst, uint32_t scale_type, uint32_t inter, uint32_t new_width, uint32_t new_height) _stdcall;
void img_fill_color(Image* img, uint32_t width, uint32_t height, uint32_t color) {
uint32_t i;
for (i = 0; i < width*height; i++) {
img->Data[i] = color;
}
}
#endif /* KOLIBRI_LIBIMG_H */