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| /* 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 _stdcall)(void* file_data, uint32_t size, uint32_t b_color); |
| extern Image* (*img_encode _stdcall)(Image* img, uint32_t length, uint32_t option); |
| extern Image* (*img_create _stdcall)(uint32_t width, uint32_t height, uint32_t type); |
| extern void (*img_to_rgb2 _stdcall)(Image* img, void *rgb_data); |
| extern Image* (*img_to_rgb _stdcall)(Image* img); |
| extern bool (*img_flip _stdcall)(Image* img, uint32_t flip); |
| extern bool (*img_flip_layer _stdcall)(Image *img, uint32_t flip); |
| extern bool (*img_rotate _stdcall)(Image *img, uint32_t rotate); |
| extern bool (*img_rotate_layer _stdcall)(Image* data, uint32_t rotate); |
| 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); |
| extern int32_t (*img_count _stdcall)(Image *img); |
| extern bool (*img_destroy _stdcall)(Image *img); |
| extern bool (*img_destroy_layer _stdcall)(Image* img); |
| 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); |
| extern Image* (*img_convert _stdcall)(Image *src, Image *dst, uint32_t dst_type, uint32_t, uint32_t); |
| extern Image* (*img_resize_data _stdcall)(Image *src, uint32_t width, uint32_t height); |
| 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); |
| |
| void img_fill_color(Image* img, uint32_t width, uint32_t height, uint32_t color){ |
| for (uint32_t i = 0; i < width*height; i++) { |
| img->Data[i] = color; |
| } |
| } |
| |
| #endif /* KOLIBRI_LIBIMG_H */ |