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